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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659614262721100005 Content-Type: text/plain; charset="utf-8" From: Alessandro Di Federico Signed-off-by: Alessandro Di Federico Signed-off-by: Anton Johansson Reviewed-by: Richard Henderson Reviewed-by: Taylor Simpson --- MAINTAINERS | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 5ce4227ff6..6435d54e33 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -197,6 +197,8 @@ Hexagon TCG CPUs M: Taylor Simpson S: Supported F: target/hexagon/ +X: target/hexagon/idef-parser/ +X: target/hexagon/gen_idef_parser_funcs.py F: linux-user/hexagon/ F: tests/tcg/hexagon/ F: disas/hexagon.c @@ -204,6 +206,13 @@ F: configs/targets/hexagon-linux-user/default.mak F: docker/dockerfiles/debian-hexagon-cross.docker F: docker/dockerfiles/debian-hexagon-cross.docker.d/build-toolchain.sh =20 +Hexagon idef-parser +M: Alessandro Di Federico +M: Anton Johansson +S: Supported +F: target/hexagon/idef-parser/ +F: target/hexagon/gen_idef_parser_funcs.py + HPPA (PA-RISC) TCG CPUs M: Richard Henderson S: Maintained --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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Thu, 04 Aug 2022 07:56:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=PadHD4abReRXJpWwTIQT1XOnAdHjGOnOhmMQIrS7BTI=; b=Omi91VdoyntKghOEAa8jEeqh72 VsTkgRnm6qP5f+sLdJXRFelzVJGZDcRDiunpuhAsODaTUF8My0AbKwq0G7gz0Me8pPyE20bqvfqr+ eoC5xp7zyITw/JUD2kzEJ60tHdNAh0JuVB8aYyG29TnX7QTQI5Vzefak7m5peZS1lUYE=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 02/15] target/hexagon: import README for idef-parser Date: Thu, 4 Aug 2022 13:55:35 +0200 Message-Id: <20220804115548.13024-3-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659614535784100003 From: Alessandro Di Federico Signed-off-by: Alessandro Di Federico Signed-off-by: Anton Johansson Reviewed-by: Taylor Simpson --- target/hexagon/README | 5 + target/hexagon/idef-parser/README.rst | 722 ++++++++++++++++++++++++++ 2 files changed, 727 insertions(+) create mode 100644 target/hexagon/idef-parser/README.rst diff --git a/target/hexagon/README b/target/hexagon/README index 372e24747c..6cb5affddb 100644 --- a/target/hexagon/README +++ b/target/hexagon/README @@ -27,6 +27,10 @@ Hexagon-specific code are encode*.def Encoding patterns for each instruction iclass.def Instruction class definitions used to dete= rmine legal VLIW slots for each instruction + qemu/target/hexagon/idef-parser + Parser that, given the high-level definitions of an instruction, + produces a C function generating equivalent tiny code instructions. + See README.rst. qemu/linux-user/hexagon Helpers for loading the ELF file and making Linux system calls, signals, etc @@ -47,6 +51,7 @@ header files in /target/hexagon gen_tcg_funcs.py -> tcg_funcs_generated.c.inc gen_tcg_func_table.py -> tcg_func_table_generated.c.inc gen_helper_funcs.py -> helper_funcs_generated.c.inc + gen_idef_parser_funcs.py -> idef_parser_input.h =20 Qemu helper functions have 3 parts DEF_HELPER declaration indicates the signature of the helper diff --git a/target/hexagon/idef-parser/README.rst b/target/hexagon/idef-pa= rser/README.rst new file mode 100644 index 0000000000..65e6bf4ee5 --- /dev/null +++ b/target/hexagon/idef-parser/README.rst @@ -0,0 +1,722 @@ +Hexagon ISA instruction definitions to tinycode generator compiler +------------------------------------------------------------------ + +idef-parser is a small compiler able to translate the Hexagon ISA descript= ion +language into tinycode generator code, that can be easily integrated into = QEMU. + +Compilation Example +------------------- + +To better understand the scope of the idef-parser, we'll explore an applic= ative +example. Let's start by one of the simplest Hexagon instruction: the ``add= ``. + +The ISA description language represents the ``add`` instruction as +follows: + +.. code:: c + + A2_add(RdV, in RsV, in RtV) { + { RdV=3DRsV+RtV;} + } + +idef-parser will compile the above code into the following code: + +.. code:: c + + /* A2_add */ + void emit_A2_add(DisasContext *ctx, Insn *insn, Packet *pkt, TCGv_i32 R= dV, + TCGv_i32 RsV, TCGv_i32 RtV) + /* { RdV=3DRsV+RtV;} */ + { + TCGv_i32 tmp_0 =3D tcg_temp_new_i32(); + tcg_gen_add_i32(tmp_0, RsV, RtV); + tcg_gen_mov_i32(RdV, tmp_0); + tcg_temp_free_i32(tmp_0); + } + +The output of the compilation process will be a function, containing the +tinycode generator code, implementing the correct semantics. That function= will +not access any global variable, because all the accessed data structures w= ill be +passed explicitly as function parameters. Among the passed parameters we w= ill +have TCGv (tinycode variables) representing the input and output registers= of +the architecture, integers representing the immediates that come from the = code, +and other data structures which hold information about the disassemblation +context (``DisasContext`` struct). + +Let's begin by describing the input code. The ``add`` instruction is assoc= iated +with a unique identifier, in this case ``A2_add``, which allows to disting= uish +variants of the same instruction, and expresses the class to which the +instruction belongs, in this case ``A2`` corresponds to the Hexagon +``ALU32/ALU`` instruction subclass. + +After the instruction identifier, we have a series of parameters that repr= esents +TCG variables that will be passed to the generated function. Parameters ma= rked +with ``in`` are already initialized, while the others are output parameter= s. + +We will leverage this information to infer several information: + +- Fill in the output function signature with the correct TCGv registers +- Fill in the output function signature with the immediate integers +- Keep track of which registers, among the declared one, have been + initialized + +Let's now observe the actual instruction description code, in this case: + +.. code:: c + + { RdV=3DRsV+RtV;} + +This code is composed by a subset of the C syntax, and is the result of the +application of some macro definitions contained in the ``macros.h`` file. + +This file is used to reduce the complexity of the input language where com= plex +variants of similar constructs can be mapped to a unique primitive, so tha= t the +idef-parser has to handle a lower number of computation primitives. + +As you may notice, the description code modifies the registers which have = been +declared by the declaration statements. In this case all the three registe= rs +will be declared, ``RsV`` and ``RtV`` will also be read and ``RdV`` will be +written. + +Now let's have a quick look at the generated code, line by line. + +:: + + TCGv_i32 tmp_0 =3D tcg_temp_new_i32(); + +This code starts by declaring a temporary TCGv to hold the result from the= sum +operation. + +:: + + tcg_gen_add_i32(tmp_0, RsV, RtV); + +Then, we are generating the sum tinycode operator between the selected +registers, storing the result in the just declared temporary. + +:: + + tcg_gen_mov_i32(RdV, tmp_0); + +The result of the addition is now stored in the temporary, we move it into= the +correct destination register. This code may seem inefficient, but QEMU will +perform some optimizations on the tinycode, reducing the unnecessary copy. + +:: + + tcg_temp_free_i32(tmp_0); + +Finally, we free the temporary we used to hold the addition result. + +Parser Input +------------ + +Before moving on to the structure of idef-parser itself, let us spend some= words +on its' input. There are two preprocessing steps applied to the generated +instruction semantics in ``semantics_generated.pyinc`` that we need to con= sider. +Firstly, + +:: + + gen_idef_parser_funcs.py + +which takes instruction semantics in ``semantics_generated.pyinc`` to C-li= ke +pseudo code, output into ``idef_parser_input.h.inc``. For instance, the +``J2_jumpr`` instruction which jumps to an address stored in a register +argument. This is instruction is defined as + +:: + + SEMANTICS( \ + "J2_jumpr", \ + "jumpr Rs32", \ + """{fJUMPR(RsN,RsV,COF_TYPE_JUMPR);}""" \ + ) + +in ``semantics_generated.pyinc``. Running ``gen_idef_parser_funcs.py`` +we obtain the pseudo code + +:: + + J2_jumpr(in RsV) { + {fJUMPR(RsN,RsV,COF_TYPE_JUMPR);} + } + +with macros such as ``fJUMPR`` intact. + +The second step is to expand macros into a form suitable for our parser. +These macros are defined in ``idef-parser/macros.inc`` and the step is +carried out by the ``prepare`` script which runs the C preprocessor on +``idef_parser_input.h.inc`` to produce +``idef_parser_input.preprocessed.h.inc``. + +To finish the above example, after preprocessing ``J2_jumpr`` we obtain + +:: + + J2_jumpr(in RsV) { + {(PC =3D RsV);} + } + +where ``fJUMPR(RsN,RsV,COF_TYPE_JUMPR);`` was expanded to ``(PC =3D RsV)``, +signifying a write to the Program Counter ``PC``. Note, that ``PC`` in +this expression is not a variable in the strict C sense since it is not +declared anywhere, but rather a symbol which is easy to match in +idef-parser later on. + +Parser Structure +---------------- + +The idef-parser is built using the ``flex`` and ``bison``. + +``flex`` is used to split the input string into tokens, each described usi= ng a +regular expression. The token description is contained in the +``idef-parser.lex`` source file. The flex-generated scanner takes care als= o to +extract from the input text other meaningful information, e.g.,=C2=A0the n= umerical +value in case of an immediate constant, and decorates the token with the +extracted information. + +``bison`` is used to generate the actual parser, starting from the parsing +description contained in the ``idef-parser.y`` file. The generated parser +executes the ``main`` function at the end of the ``idef-parser.y`` file, w= hich +opens input and output files, creates the parsing context, and eventually = calls +the ``yyparse()`` function, which starts the execution of the LALR(1) pars= er +(see `Wikipedia `__ for more +information about LALR parsing techniques). The LALR(1) parser, whenever i= t has +to shift a token, calls the ``yylex()`` function, which is defined by the +flex-generated code, and reads the input file returning the next scanned t= oken. + +The tokens are mapped on the source language grammar, defined in the +``idef-parser.y`` file to build a unique syntactic tree, according to the +specified operator precedences and associativity rules. + +The grammar describes the whole file which contains the Hexagon instruction +descriptions, therefore it starts from the ``input`` nonterminal, which is= a +list of instructions, each instruction is represented by the following gra= mmar +rule, representing the structure of the input file shown above: + +:: + + instruction : INAME arguments code + | error + + arguments : '(' ')' + | '(' argument_list ')'; + + argument_list : argument_decl ',' argument_list + | argument_decl + + argument_decl : REG + | PRED + | IN REG + | IN PRED + | IMM + | var + ; + + code : '{' statements '}' + + statements : statements statement + | statement + + statement : control_statement + | var_decl ';' + | rvalue ';' + | code_block + | ';' + + code_block : '{' statements '}' + | '{' '}' + +With this initial portion of the grammar we are defining the instruction, = its' +arguments, and its' statements. Each argument is defined by the +``argument_decl`` rule, and can be either + +:: + + Description Example + ---------------------------------------- + output register RsV + output predicate register P0 + input register in RsV + input predicate register in P0 + immediate value 1234 + local variable EA + +Note, the only local variable allowed to be used as an argument is the eff= ective +address ``EA``. Similarly, each statement can be a ``control_statement``, a +variable declaration such as ``int a;``, a code block, which is just a +bracket-enclosed list of statements, a ``';'``, which is a ``nop`` instruc= tion, +and an ``rvalue ';'``. + +Expressions +~~~~~~~~~~~ + +Allowed in the input code are C language expressions with a few exceptions +to simplify parsing. For instance, variable names such as ``RdV``, ``RssV`= `, +``PdV``, ``CsV``, and other idiomatic register names from Hexagon, are +reserved specifically for register arguments. These arguments then map to +``TCGv_i32`` or ``TCGv_i64`` depending on the register size. Similarly, ``= UiV``, +``riV``, etc. refer to immediate arguments and will map to C integers. + +Also, as mentioned earlier, the names ``PC``, ``SP``, ``FP``, etc. are use= d to +refer to Hexagon registers such as the program counter, stack pointer, and= frame +pointer seen here. Writes to these registers then correspond to assignments +``PC =3D ...``, and reads correspond to uses of the variable ``PC``. + +Moreover, another example of one such exception is the selective expansion= of +macros present in ``macros.h``. As an example, consider the ``fABS`` macro= which +in plain C is defined as + +:: + + #define fABS(A) (((A) < 0) ? (-(A)) : (A)) + +and returns the absolute value of the argument ``A``. This macro is not in= cluded +in ``idef-parser/macros.inc`` and as such is not expanded and kept as a "c= all" +``fABS(...)``. Reason being, that ``fABS`` is easier to match and map to +``tcg_gen_abs_``, compared to the full ternary expression above. Lo= ads of +macros in ``macros.h`` are kept unexpanded to aid in parsing, as seen in t= he +example above, for more information see ``idef-parser/idef-parser.lex``. + +Finally, in mapping these input expressions to tinycode generators, idef-p= arser +tries to perform as much as possible in plain C. Such as, performing binary +operations in C instead of tinycode generators, thus effectively constant +folding the expression. + +Variables and Variable Declarations +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Similarly to C, variables in the input code must be explicitly declared, s= uch as +``int var1;`` which declares an uninitialized variable ``var1``. Initializ= ation +``int var2 =3D 0;`` is also allowed and behaves as expected. In tinycode +generators the previous declarations are mapped to + +:: + + int var1; -> TCGv_i32 var1 =3D tcg_temp_local_new_i32(); + + int var2 =3D 0; -> TCGv_i32 var1 =3D tcg_temp_local_new_i32= (); + tcg_gen_movi_i32(j, ((int64_t) 0ULL)); + +which are later automatically freed at the end of the function they're dec= lared +in. Contrary to C, we only allow variables to be declared with an integer = type +specified in the following table (without permutation of keywords) + +:: + + type bit-width signedness + ---------------------------------------------------------- + int 32 signed + signed + signed int + + unsigned 32 unsigned + unsigned int + + long 64 signed + long int + signed long + signed long int + + unsigned long 64 unsigned + unsigned long int + + long long 64 signed + long long int + signed long long + signed long long int + + unsigned long long 64 unsigned + unsigned long long int + + size[1,2,4,8][s,u]_t 8-64 signed or unsigned + +In idef-parser, variable names are matched by a generic ``VARID`` token, +which will feature the variable name as a decoration. For a variable decla= ration +idef-parser calls ``gen_varid_allocate`` with the ``VARID`` token to save = the +name, size, and bit width of the newly declared variable. In addition, this +function also ensures that variables aren't declared multiple times, and p= rints +and error message if that is the case. Upon use of a variable, the ``VARID= `` +token is used to lookup the size and bit width of the variable. + +Type System +~~~~~~~~~~~ + +idef-parser features a simple type system which is used to correctly imple= ment +the signedness and bit width of the operations. + +The type of each ``rvalue`` is determined by two attributes: its bit width +(``unsigned bit_width``) and its signedness (``HexSignedness signedness``). + +For each operation, the type of ``rvalue``\ s influence the way in which t= he +operands are handled and emitted. For example a right shift between signed +operators will be an arithmetic shift, while one between unsigned operators +will be a logical shift. If one of the two operands is signed, and the oth= er +is unsigned, the operation will be signed. + +The bit width also influences the outcome of the operations, in particular= while +the input languages features a fine granularity type system, with types of= 8, +16, 32, 64 (and more for vectorial instructions) bits, the tinycode only +features 32 and 64 bit widths. We propagate as much as possible the fine +granularity type, until the value has to be used inside an operation betwe= en +``rvalue``\ s; in that case if one of the two operands is greater than 32 = bits +we promote the whole operation to 64 bit, taking care of properly extendin= g the +two operands. Fortunately, the most critical instructions already feature +explicit casts and zero/sign extensions which are properly propagated down= to +our parser. + +The combination of ``rvalue``\ s are handled through the use of the +``gen_bin_op`` and ``gen_bin_cmp`` helper functions. These two functions h= andle +the appropriate compile-time or run-time emission of operations to perform= the +required computation. + +Control Statements +~~~~~~~~~~~~~~~~~~ + +``control_statement``\ s are all the statements which modify the order of +execution of the generated code according to input parameters. They are ex= panded +by the following grammar rule: + +:: + + control_statement : frame_check + | cancel_statement + | if_statement + | for_statement + | fpart1_statement + +``if_statement``\ s require the emission of labels and branch instructions= which +effectively perform conditional jumps (``tcg_gen_brcondi``) according to t= he +value of an expression. Note, the tinycode generators we produce for condi= tional +statements do not perfectly mirror what would be expected in C, for instan= ce we +do not reproduce short-circuiting of the ``&&`` operator, and use of the `= `||`` +operator is disallowed. All the predicated instructions, and in general al= l the +instructions where there could be alternative values assigned to an ``lval= ue``, +like C-style ternary expressions: + +:: + + rvalue : rvalue QMARK rvalue COLON rvalue + +are handled using the conditional move tinycode instruction +(``tcg_gen_movcond``), which avoids the additional complexity of managing = labels +and jumps. + +Instead, regarding the ``for`` loops, exploiting the fact that they always +iterate on immediate values, therefore their iteration ranges are always k= nown +at compile time, we implemented those emitting plain C ``for`` loops. This= is +possible because the loops will be executed in the QEMU code, leading to t= he +consequential unrolling of the for loop, since the tinycode generator +instructions will be executed multiple times, and the respective generated +tinycode will represent the unrolled execution of the loop. + +Parsing Context +~~~~~~~~~~~~~~~ + +All the helper functions in ``idef-parser.y`` carry two fixed parameters, = which +are the parsing context ``c`` and the ``YYLLOC`` location information. The +context is explicitly passed to all the functions because the parser we ge= nerate +is a reentrant one, meaning that it does not have any global variable, and +therefore the instruction compilation could easily be parallelized in the +future. Finally for each rule we propagate information about the location = of the +involved tokens to generate pretty error reporting, able to highlight the +portion of the input code which generated each error. + +Debugging +--------- + +Developing the idef-parser can lead to two types of errors: compile-time e= rrors +and parsing errors. + +Compile-time errors in Bison-generated parsers are usually due to conflict= s in +the described grammar. Conflicts forbid the grammar to produce a unique +derivation tree, thus must be solved (except for the dangling else problem, +which is marked as expected through the ``%expect 1`` Bison option). + +For solving conflicts you need a basic understanding of `shift-reduce conf= licts +`__ +and `reduce-reduce conflicts +`__, +then, if you are using a Bison version > 3.7.1 you can ask Bison to genera= te +some counterexamples which highlight ambiguous derivations, passing the +``-Wcex`` option to Bison. In general shift/reduce conflicts are solved by +redesigning the grammar in an unambiguous way or by setting the token prio= rity +correctly, while reduce/reduce conflicts are solved by redesigning the +interested part of the grammar. + +Run-time errors can be divided between lexing and parsing errors, lexing e= rrors +are hard to detect, since the ``var`` token will catch everything which is= not +catched by other tokens, but easy to fix, because most of the time a simple +regex editing will be enough. + +idef-parser features a fancy parsing error reporting scheme, which for each +parsing error reports the fragment of the input text which was involved in= the +parsing rule that generated an error. + +Implementing an instruction goes through several sequential steps, here ar= e some +suggestions to make each instruction proceed to the next step. + +- not-emitted + + Means that the parsing of the input code relative to that instruction f= ailed, + this could be due to a lexical error or to some mismatch between the or= der of + valid tokens and a parser rule. You should check that tokens are correc= tly + identified and mapped, and that there is a rule matching the token sequ= ence + that you need to parse. + +- emitted + + This instruction class contains all the instructions which are emitted = but + fail to compile when included in QEMU. The compilation errors are shown= by + the QEMU building process and will lead to fixing the bug. Most common + errors regard the mismatch of parameters for tinycode generator functio= ns, + which boil down to errors in the idef-parser type system. + +- compiled + + These instruction generate valid tinycode generator code, which however= fail + the QEMU or the harness tests, these cases must be handled manually by + looking into the failing tests and looking at the generated tinycode + generator instruction and at the generated tinycode itself. Tip: handle= the + failing harness tests first, because they usually feature only a single + instruction, thus will require less execution trace navigation. If a + multi-threaded test fail, fixing all the other tests will be the easier + option, hoping that the multi-threaded one will be indirectly fixed. + + An example of debugging this type of failure is provided in the followi= ng + section. + +- tests-passed + + This is the final goal for each instruction, meaning that the instructi= on + passes the test suite. + +Another approach to fix QEMU system test, where many instructions might fa= il, is +to compare the execution trace of your implementation with the reference +implementations already present in QEMU. To do so you should obtain a QEMU= build +where the instruction pass the test, and run it with the following command: + +:: + + sudo unshare -p sudo -u bash -c \ + 'env -i -d cpu ' + +And do the same for your implementation, the generated execution traces wi= ll be +inherently aligned and can be inspected for behavioral differences using t= he +``diff`` tool. + +Example of debugging erroneous tinycode generator code +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The goal of this section is to provide a complete example of debugging +incorrectly emitted tinycode generator for a single instruction. + +Let's first introduce a bug in the tinycode generator of the ``A2_add`` +instruction, + +:: + + void emit_A2_add(DisasContext *ctx, Insn *insn, Packet *pkt, TCGv_i32 = RdV, + TCGv_i32 RsV, TCGv_i32 RtV) + /* RdV=3DRsV+RtV;} */ + { + TCGv_i32 tmp_0 =3D tcg_temp_new_i32(); + tcg_gen_add_i32(tmp_0, RsV, RsV); + tcg_gen_mov_i32(RdV, tmp_0); + tcg_temp_free_i32(tmp_0); + } + +Here the bug, albeit hard to spot, is in ``tcg_gen_add_i32(tmp_0, RsV, RsV= );`` +where we compute ``RsV + RsV`` instead of ``RsV + RtV``, as would be expec= ted. +This particular bug is a bit tricky to pinpoint when debugging, since the +``A2_add`` instruction is so ubiquitous. As a result, pretty much all test= s will +fail and therefore not provide a lot of information about the bug. + +For example, let's run the ``check-tcg`` tests + +:: + + make check-tcg TIMEOUT=3D1200 \ + DOCKER_IMAGE=3Ddebian-hexagon-cross \ + ENGINE=3Dpodman V=3D1 \ + DOCKER_CROSS_CC_GUEST=3Dhexagon-unknown-linux-musl-clang + +In the output, we find a failure in the very first test case ``float_convs= `` +due to a segmentation fault. Similarly, all harness and libc tests will fa= il as +well. At this point we have no clue where the actual bug lies, and need to= start +ruling out instructions. As such a good starting point is to utilize the d= ebug +options ``-d in_asm,cpu`` of QEMU to inspect the Hexagon instructions bein= g run, +alongside the CPU state. We additionally need a working version of the emu= lator +to compare our buggy CPU state against, running + +:: + + meson configure -Dhexagon_idef_parser_enabled=3Dfalse + +will disable the idef-parser for all instructions and fallback on manual +tinycode generator overrides, or on helper function implementations. Recom= piling +gives us ``qemu-hexagon`` which passes all tests. If ``qemu-heaxgon-buggy`= ` is +our binary with the incorrect tinycode generators, we can compare the CPU = state +between the two versions + +:: + + ./qemu-hexagon-buggy -d in_asm,cpu float_convs &> out_buggy + ./qemu-hexagon -d in_asm,cpu float_convs &> out_working + +Looking at ``diff -u out_buggy out_working`` shows us that the CPU state b= egins +to diverge on line 141, with an incorrect value in the ``R1`` register + +:: + + @@ -138,7 +138,7 @@ + + General Purpose Registers =3D { + r0 =3D 0x4100f9c0 + - r1 =3D 0x00042108 + + r1 =3D 0x00000000 + r2 =3D 0x00021084 + r3 =3D 0x00000000 + r4 =3D 0x00000000 + +If we also look into ``out_buggy`` directly we can inspect the input assem= bly +which the caused the incorrect CPU state, around line 141 we find + +:: + + 116 | ---------------- + 117 | IN: _start_c + 118 | 0x000210b0: 0xa09dc002 { allocframe(R29,#0x10):raw } + ... | ... + 137 | 0x000210fc: 0x5a00c4aa { call PC+2388 } + 138 | + 139 | General Purpose Registers =3D { + 140 | r0 =3D 0x4100fa70 + 141 | r1 =3D 0x00042108 + 142 | r2 =3D 0x00021084 + 143 | r3 =3D 0x00000000 + +Importantly, we see some Hexagon assembly followed by a dump of the CPU st= ate, +now the CPU state is actually dumped before the input assembly above is ra= n. +As such, we are actually interested in the instructions ran before this. + +Scrolling up a bit, we find + +:: + + 54 | ---------------- + 55 | IN: _start + 56 | 0x00021088: 0x6a09c002 { R2 =3D C9/pc } + 57 | 0x0002108c: 0xbfe2ff82 { R2 =3D add(R2,#0xfffffffc) } + 58 | 0x00021090: 0x9182c001 { R1 =3D memw(R2+#0x0) } + 59 | 0x00021094: 0xf302c101 { R1 =3D add(R2,R1) } + 60 | 0x00021098: 0x7800c01e { R30 =3D #0x0 } + 61 | 0x0002109c: 0x707dc000 { R0 =3D R29 } + 62 | 0x000210a0: 0x763dfe1d { R29 =3D and(R29,#0xfffffff0) } + 63 | 0x000210a4: 0xa79dfdfe { memw(R29+#0xfffffff8) =3D R29 } + 64 | 0x000210a8: 0xbffdff1d { R29 =3D add(R29,#0xfffffff8) } + 65 | 0x000210ac: 0x5a00c002 { call PC+4 } + 66 | + 67 | General Purpose Registers =3D { + 68 | r0 =3D 0x00000000 + 69 | r1 =3D 0x00000000 + 70 | r2 =3D 0x00000000 + 71 | r3 =3D 0x00000000 + +Remember, the instructions on lines 56-65 are ran on the CPU state shown b= elow +instructions, and as the CPU state has not diverged at this point, we know= the +starting state is accurate. The bug must then lie within the instructions = shown +here. Next we may notice that ``R1`` is only touched by lines 57 and 58, t= hat is +by + +:: + + 58 | 0x00021090: 0x9182c001 { R1 =3D memw(R2+#0x0) } + 59 | 0x00021094: 0xf302c101 { R1 =3D add(R2,R1) } + +Therefore, we are either dealing with an correct load instruction +``R1 =3D memw(R2+#0x0)`` or with an incorrect add ``R1 =3D add(R2,R1)``. A= t this +point it might be easy enough to go directly to the emitted code for the +instructions mentioned and look for bugs, but we could also run +``./qemu-heaxgon -d op,in_asm float_conv`` where we find for the following +tinycode for the Hexagon ``add`` instruction + +:: + + ---- 00021094 + mov_i32 pkt_has_store_s1,$0x0 + add_i32 tmp0,r2,r2 + mov_i32 loc2,tmp0 + mov_i32 new_r1,loc2 + mov_i32 r1,new_r1 + +Here we have finally located our bug ``add_i32 tmp0,r2,r2``. + +Limitations and Future Development +---------------------------------- + +The main limitation of the current parser is given by the syntax-driven na= ture +of the Bison-generated parsers. This has the severe implication of only be= ing +able to generate code in the order of evaluation of the various rules, wit= hout, +in any case, being able to backtrack and alter the generated code. + +An example limitation is highlighted by this statement of the input langua= ge: + +:: + + { (PsV=3D=3D0xff) ? (PdV=3D0xff) : (PdV=3D0x00); } + +This ternary assignment, when written in this form requires us to emit some +proper control flow statements, which emit a jump to the first or to the s= econd +code block, whose implementation is extremely convoluted, because when mat= ching +the ternary assignment, the code evaluating the two assignments will be al= ready +generated. + +Instead we pre-process that statement, making it become: + +:: + + { PdV =3D ((PsV=3D=3D0xff)) ? 0xff : 0x00; } + +Which can be easily matched by the following parser rules: + +:: + + statement | rvalue ';' + + rvalue : rvalue QMARK rvalue COLON rvalue + | rvalue EQ rvalue + | LPAR rvalue RPAR + | assign_statement + | IMM + + assign_statement : pred ASSIGN rvalue + +Another example that highlight the limitation of the flex/bison parser can= be +found even in the add operation we already saw: + +:: + + TCGv_i32 tmp_0 =3D tcg_temp_new_i32(); + tcg_gen_add_i32(tmp_0, RsV, RtV); + tcg_gen_mov_i32(RdV, tmp_0); + +The fact that we cannot directly use ``RdV`` as the destination of the sum= is a +consequence of the syntax-driven nature of the parser. In fact when we par= se the +assignment, the ``rvalue`` token, representing the sum has already been re= duced, +and thus its code emitted and unchangeable. We rely on the fact that QEMU = will +optimize our code reducing the useless move operations and the relative +temporaries. + +A possible improvement of the parser regards the support for vectorial +instructions and floating point instructions, which will require the exten= sion +of the scanner, the parser, and a partial re-design of the type system, al= lowing +to build the vectorial semantics over the available vectorial tinycode gen= erator +primitives. + +A more radical improvement will use the parser, not to generate directly t= he +tinycode generator code, but to generate an intermediate representation li= ke the +LLVM IR, which in turn could be compiled using the clang TCG backend. That= code +could be furtherly optimized, overcoming the limitations of the syntax-dri= ven +parsing and could lead to a more optimized generated code. --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1659614260; cv=none; d=zohomail.com; s=zohoarc; b=RWvwRV5PqKOJBan3mEP9Mc9Wy0rBImG0HhAjDPYVpEtIOhiTeeiIdo6QT53NxpTv4SAzmcZuLxAn/vte499Q7leokdxOIdDIwM4xrbt2weYvuy0/jWa6eaif6l49p+aWD9rnscw3VeahnsAdhwHTCU2DKSFR1YDG6zYK58d4KOI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1659614260; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; 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Thu, 04 Aug 2022 07:56:11 -0400 Received: from rev.ng ([5.9.113.41]:47297) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJZSP-0004Zo-Pw for qemu-devel@nongnu.org; Thu, 04 Aug 2022 07:56:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=Lb/dIVttmeoaLTFZYlHC2hvrVfL4AtS15h0SO1dNAeI=; b=dhajU7Pc/AbGBd8FYAJjw1k3a3 vxkKIdsb5ZHWxeUv8ksG03WGD8rwsfb+Z+7RzkySpyV1dzarHZrxaBYoa8mdjNnwu0rDY7IQ1Iycr oqOlNlfVWmmTJSbSna3iL7QkBSnlNHv84aYrPvHmHBPgVbR/MUnTbAXjxXAg2GZNS7xc=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 03/15] target/hexagon: make slot number an unsigned Date: Thu, 4 Aug 2022 13:55:36 +0200 Message-Id: <20220804115548.13024-4-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659614260647100003 Content-Type: text/plain; charset="utf-8" From: Paolo Montesel Signed-off-by: Alessandro Di Federico Signed-off-by: Paolo Montesel Acked-by: Richard Henderson Reviewed-by: Taylor Simpson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/hexagon/genptr.c | 24 +++++++++++++----------- target/hexagon/macros.h | 2 +- 2 files changed, 14 insertions(+), 12 deletions(-) diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 8a334ba07b..6741278ada 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -30,7 +30,8 @@ #include "gen_tcg.h" #include "gen_tcg_hvx.h" =20 -static inline void gen_log_predicated_reg_write(int rnum, TCGv val, int sl= ot) +static inline void gen_log_predicated_reg_write(int rnum, TCGv val, + uint32_t slot) { TCGv zero =3D tcg_constant_tl(0); TCGv slot_mask =3D tcg_temp_new(); @@ -62,7 +63,8 @@ static inline void gen_log_reg_write(int rnum, TCGv val) } } =20 -static void gen_log_predicated_reg_write_pair(int rnum, TCGv_i64 val, int = slot) +static void gen_log_predicated_reg_write_pair(int rnum, TCGv_i64 val, + uint32_t slot) { TCGv val32 =3D tcg_temp_new(); TCGv zero =3D tcg_constant_tl(0); @@ -394,7 +396,7 @@ static inline void gen_store_conditional8(DisasContext = *ctx, tcg_gen_movi_tl(hex_llsc_addr, ~0); } =20 -static inline void gen_store32(TCGv vaddr, TCGv src, int width, int slot) +static inline void gen_store32(TCGv vaddr, TCGv src, int width, uint32_t s= lot) { tcg_gen_mov_tl(hex_store_addr[slot], vaddr); tcg_gen_movi_tl(hex_store_width[slot], width); @@ -402,49 +404,49 @@ static inline void gen_store32(TCGv vaddr, TCGv src, = int width, int slot) } =20 static inline void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, - DisasContext *ctx, int slot) + DisasContext *ctx, uint32_t slot) { gen_store32(vaddr, src, 1, slot); ctx->store_width[slot] =3D 1; } =20 static inline void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t src, - DisasContext *ctx, int slot) + DisasContext *ctx, uint32_t slot) { TCGv tmp =3D tcg_constant_tl(src); gen_store1(cpu_env, vaddr, tmp, ctx, slot); } =20 static inline void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, - DisasContext *ctx, int slot) + DisasContext *ctx, uint32_t slot) { gen_store32(vaddr, src, 2, slot); ctx->store_width[slot] =3D 2; } =20 static inline void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t src, - DisasContext *ctx, int slot) + DisasContext *ctx, uint32_t slot) { TCGv tmp =3D tcg_constant_tl(src); gen_store2(cpu_env, vaddr, tmp, ctx, slot); } =20 static inline void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src, - DisasContext *ctx, int slot) + DisasContext *ctx, uint32_t slot) { gen_store32(vaddr, src, 4, slot); ctx->store_width[slot] =3D 4; } =20 static inline void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t src, - DisasContext *ctx, int slot) + DisasContext *ctx, uint32_t slot) { TCGv tmp =3D tcg_constant_tl(src); gen_store4(cpu_env, vaddr, tmp, ctx, slot); } =20 static inline void gen_store8(TCGv_env cpu_env, TCGv vaddr, TCGv_i64 src, - DisasContext *ctx, int slot) + DisasContext *ctx, uint32_t slot) { tcg_gen_mov_tl(hex_store_addr[slot], vaddr); tcg_gen_movi_tl(hex_store_width[slot], 8); @@ -453,7 +455,7 @@ static inline void gen_store8(TCGv_env cpu_env, TCGv va= ddr, TCGv_i64 src, } =20 static inline void gen_store8i(TCGv_env cpu_env, TCGv vaddr, int64_t src, - DisasContext *ctx, int slot) + DisasContext *ctx, uint32_t slot) { TCGv_i64 tmp =3D tcg_constant_i64(src); gen_store8(cpu_env, vaddr, tmp, ctx, slot); diff --git a/target/hexagon/macros.h b/target/hexagon/macros.h index 92eb8bbf05..4529af107a 100644 --- a/target/hexagon/macros.h +++ b/target/hexagon/macros.h @@ -202,7 +202,7 @@ #define LOAD_CANCEL(EA) do { CANCEL; } while (0) =20 #ifdef QEMU_GENERATE -static inline void gen_pred_cancel(TCGv pred, int slot_num) +static inline void gen_pred_cancel(TCGv pred, uint32_t slot_num) { TCGv slot_mask =3D tcg_temp_new(); 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659614906627100001 Content-Type: text/plain; charset="utf-8" From: Paolo Montesel Make certain helper functions non-static, making them available outside genptr.c. These functions are required by code generated by the idef-parser. This commit also makes some functions in op_helper.c non-static in order to avoid having them marked as unused when using the idef-parser generated code. Signed-off-by: Alessandro Di Federico Signed-off-by: Paolo Montesel Reviewed-by: Richard Henderson Reviewed-by: Taylor Simpson --- target/hexagon/genptr.c | 61 +++++++++++++++++++++----------------- target/hexagon/genptr.h | 31 +++++++++++++++++++ target/hexagon/op_helper.c | 29 ++++++++---------- target/hexagon/op_helper.h | 37 +++++++++++++++++++++++ 4 files changed, 115 insertions(+), 43 deletions(-) create mode 100644 target/hexagon/op_helper.h diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 6741278ada..000e9813c5 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -29,6 +29,13 @@ #undef QEMU_GENERATE #include "gen_tcg.h" #include "gen_tcg_hvx.h" +#include "genptr.h" + +TCGv gen_read_preg(TCGv pred, uint8_t num) +{ + tcg_gen_mov_tl(pred, hex_pred[num]); + return pred; +} =20 static inline void gen_log_predicated_reg_write(int rnum, TCGv val, uint32_t slot) @@ -54,7 +61,7 @@ static inline void gen_log_predicated_reg_write(int rnum,= TCGv val, tcg_temp_free(slot_mask); } =20 -static inline void gen_log_reg_write(int rnum, TCGv val) +void gen_log_reg_write(int rnum, TCGv val) { tcg_gen_mov_tl(hex_new_value[rnum], val); if (HEX_DEBUG) { @@ -116,7 +123,7 @@ static void gen_log_reg_write_pair(int rnum, TCGv_i64 v= al) } } =20 -static inline void gen_log_pred_write(DisasContext *ctx, int pnum, TCGv va= l) +void gen_log_pred_write(DisasContext *ctx, int pnum, TCGv val) { TCGv base_val =3D tcg_temp_new(); =20 @@ -274,7 +281,7 @@ static inline void gen_write_ctrl_reg_pair(DisasContext= *ctx, int reg_num, } } =20 -static TCGv gen_get_byte(TCGv result, int N, TCGv src, bool sign) +TCGv gen_get_byte(TCGv result, int N, TCGv src, bool sign) { if (sign) { tcg_gen_sextract_tl(result, src, N * 8, 8); @@ -284,7 +291,7 @@ static TCGv gen_get_byte(TCGv result, int N, TCGv src, = bool sign) return result; } =20 -static TCGv gen_get_byte_i64(TCGv result, int N, TCGv_i64 src, bool sign) +TCGv gen_get_byte_i64(TCGv result, int N, TCGv_i64 src, bool sign) { TCGv_i64 res64 =3D tcg_temp_new_i64(); if (sign) { @@ -298,7 +305,7 @@ static TCGv gen_get_byte_i64(TCGv result, int N, TCGv_i= 64 src, bool sign) return result; } =20 -static inline TCGv gen_get_half(TCGv result, int N, TCGv src, bool sign) +TCGv gen_get_half(TCGv result, int N, TCGv src, bool sign) { if (sign) { tcg_gen_sextract_tl(result, src, N * 16, 16); @@ -308,12 +315,12 @@ static inline TCGv gen_get_half(TCGv result, int N, T= CGv src, bool sign) return result; } =20 -static inline void gen_set_half(int N, TCGv result, TCGv src) +void gen_set_half(int N, TCGv result, TCGv src) { tcg_gen_deposit_tl(result, result, src, N * 16, 16); } =20 -static inline void gen_set_half_i64(int N, TCGv_i64 result, TCGv src) +void gen_set_half_i64(int N, TCGv_i64 result, TCGv src) { TCGv_i64 src64 =3D tcg_temp_new_i64(); tcg_gen_extu_i32_i64(src64, src); @@ -321,7 +328,7 @@ static inline void gen_set_half_i64(int N, TCGv_i64 res= ult, TCGv src) tcg_temp_free_i64(src64); } =20 -static void gen_set_byte_i64(int N, TCGv_i64 result, TCGv src) +void gen_set_byte_i64(int N, TCGv_i64 result, TCGv src) { TCGv_i64 src64 =3D tcg_temp_new_i64(); tcg_gen_extu_i32_i64(src64, src); @@ -396,57 +403,57 @@ static inline void gen_store_conditional8(DisasContex= t *ctx, tcg_gen_movi_tl(hex_llsc_addr, ~0); } =20 -static inline void gen_store32(TCGv vaddr, TCGv src, int width, uint32_t s= lot) +void gen_store32(TCGv vaddr, TCGv src, int width, uint32_t slot) { tcg_gen_mov_tl(hex_store_addr[slot], vaddr); tcg_gen_movi_tl(hex_store_width[slot], width); tcg_gen_mov_tl(hex_store_val32[slot], src); } =20 -static inline void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, - DisasContext *ctx, uint32_t slot) +void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + uint32_t slot) { gen_store32(vaddr, src, 1, slot); ctx->store_width[slot] =3D 1; } =20 -static inline void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t src, - DisasContext *ctx, uint32_t slot) +void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t src, DisasContext *= ctx, + uint32_t slot) { TCGv tmp =3D tcg_constant_tl(src); gen_store1(cpu_env, vaddr, tmp, ctx, slot); } =20 -static inline void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, - DisasContext *ctx, uint32_t slot) +void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + uint32_t slot) { gen_store32(vaddr, src, 2, slot); ctx->store_width[slot] =3D 2; } =20 -static inline void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t src, - DisasContext *ctx, uint32_t slot) +void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t src, DisasContext *= ctx, + uint32_t slot) { TCGv tmp =3D tcg_constant_tl(src); gen_store2(cpu_env, vaddr, tmp, ctx, slot); } =20 -static inline void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src, - DisasContext *ctx, uint32_t slot) +void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + uint32_t slot) { gen_store32(vaddr, src, 4, slot); ctx->store_width[slot] =3D 4; } =20 -static inline void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t src, - DisasContext *ctx, uint32_t slot) +void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t src, DisasContext *= ctx, + uint32_t slot) { TCGv tmp =3D tcg_constant_tl(src); gen_store4(cpu_env, vaddr, tmp, ctx, slot); } =20 -static inline void gen_store8(TCGv_env cpu_env, TCGv vaddr, TCGv_i64 src, - DisasContext *ctx, uint32_t slot) +void gen_store8(TCGv_env cpu_env, TCGv vaddr, TCGv_i64 src, DisasContext *= ctx, + uint32_t slot) { tcg_gen_mov_tl(hex_store_addr[slot], vaddr); tcg_gen_movi_tl(hex_store_width[slot], 8); @@ -454,14 +461,14 @@ static inline void gen_store8(TCGv_env cpu_env, TCGv = vaddr, TCGv_i64 src, ctx->store_width[slot] =3D 8; } =20 -static inline void gen_store8i(TCGv_env cpu_env, TCGv vaddr, int64_t src, - DisasContext *ctx, uint32_t slot) +void gen_store8i(TCGv_env cpu_env, TCGv vaddr, int64_t src, DisasContext *= ctx, + uint32_t slot) { TCGv_i64 tmp =3D tcg_constant_i64(src); gen_store8(cpu_env, vaddr, tmp, ctx, slot); } =20 -static TCGv gen_8bitsof(TCGv result, TCGv value) +TCGv gen_8bitsof(TCGv result, TCGv value) { TCGv zero =3D tcg_constant_tl(0); TCGv ones =3D tcg_constant_tl(0xff); @@ -640,7 +647,7 @@ static void vec_to_qvec(size_t size, intptr_t dstoff, i= ntptr_t srcoff) tcg_temp_free_i64(mask); } =20 -static void probe_noshuf_load(TCGv va, int s, int mi) +void probe_noshuf_load(TCGv va, int s, int mi) { TCGv size =3D tcg_constant_tl(s); TCGv mem_idx =3D tcg_constant_tl(mi); diff --git a/target/hexagon/genptr.h b/target/hexagon/genptr.h index c158005d2a..016d5d7085 100644 --- a/target/hexagon/genptr.h +++ b/target/hexagon/genptr.h @@ -19,7 +19,38 @@ #define HEXAGON_GENPTR_H =20 #include "insn.h" +#include "tcg/tcg.h" +#include "translate.h" =20 extern const SemanticInsn opcode_genptr[]; =20 +void gen_store32(TCGv vaddr, TCGv src, int width, uint32_t slot); +void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + uint32_t slot); +void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + uint32_t slot); +void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, + uint32_t slot); +void gen_store8(TCGv_env cpu_env, TCGv vaddr, TCGv_i64 src, DisasContext *= ctx, + uint32_t slot); +void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t src, DisasContext *= ctx, + uint32_t slot); +void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t src, DisasContext *= ctx, + uint32_t slot); +void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t src, DisasContext *= ctx, + uint32_t slot); +void gen_store8i(TCGv_env cpu_env, TCGv vaddr, int64_t src, DisasContext *= ctx, + uint32_t slot); +TCGv gen_read_preg(TCGv pred, uint8_t num); +void gen_log_reg_write(int rnum, TCGv val); +void gen_log_pred_write(DisasContext *ctx, int pnum, TCGv val); +TCGv gen_8bitsof(TCGv result, TCGv value); +void gen_set_byte_i64(int N, TCGv_i64 result, TCGv src); +TCGv gen_get_byte(TCGv result, int N, TCGv src, bool sign); +TCGv gen_get_byte_i64(TCGv result, int N, TCGv_i64 src, bool sign); +TCGv gen_get_half(TCGv result, int N, TCGv src, bool sign); +void gen_set_half(int N, TCGv result, TCGv src); +void gen_set_half_i64(int N, TCGv_i64 result, TCGv src); +void probe_noshuf_load(TCGv va, int s, int mi); + #endif diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c index 085afc3274..c69095b596 100644 --- a/target/hexagon/op_helper.c +++ b/target/hexagon/op_helper.c @@ -29,6 +29,7 @@ #include "fma_emu.h" #include "mmvec/mmvec.h" #include "mmvec/macros.h" +#include "op_helper.h" =20 #define SF_BIAS 127 #define SF_MANTBITS 23 @@ -50,8 +51,8 @@ G_NORETURN void HELPER(raise_exception)(CPUHexagonState *= env, uint32_t excp) do_raise_exception_err(env, excp, 0); } =20 -static void log_reg_write(CPUHexagonState *env, int rnum, - target_ulong val, uint32_t slot) +void log_reg_write(CPUHexagonState *env, int rnum, + target_ulong val, uint32_t slot) { HEX_DEBUG_LOG("log_reg_write[%d] =3D " TARGET_FMT_ld " (0x" TARGET_FMT= _lx ")", rnum, val, val); @@ -82,8 +83,8 @@ static void log_pred_write(CPUHexagonState *env, int pnum= , target_ulong val) } } =20 -static void log_store32(CPUHexagonState *env, target_ulong addr, - target_ulong val, int width, int slot) +void log_store32(CPUHexagonState *env, target_ulong addr, + target_ulong val, int width, int slot) { HEX_DEBUG_LOG("log_store%d(0x" TARGET_FMT_lx ", %" PRId32 " [0x08%" PRIx32 "])\n", @@ -93,8 +94,8 @@ static void log_store32(CPUHexagonState *env, target_ulon= g addr, env->mem_log_stores[slot].data32 =3D val; } =20 -static void log_store64(CPUHexagonState *env, target_ulong addr, - int64_t val, int width, int slot) +void log_store64(CPUHexagonState *env, target_ulong addr, + int64_t val, int width, int slot) { HEX_DEBUG_LOG("log_store%d(0x" TARGET_FMT_lx ", %" PRId64 " [0x016%" PRIx64 "])\n", @@ -104,7 +105,7 @@ static void log_store64(CPUHexagonState *env, target_ul= ong addr, env->mem_log_stores[slot].data64 =3D val; } =20 -static void write_new_pc(CPUHexagonState *env, target_ulong addr) +void write_new_pc(CPUHexagonState *env, target_ulong addr) { HEX_DEBUG_LOG("write_new_pc(0x" TARGET_FMT_lx ")\n", addr); =20 @@ -535,32 +536,28 @@ static void check_noshuf(CPUHexagonState *env, uint32= _t slot, } } =20 -static uint8_t mem_load1(CPUHexagonState *env, uint32_t slot, - target_ulong vaddr) +uint8_t mem_load1(CPUHexagonState *env, uint32_t slot, target_ulong vaddr) { uintptr_t ra =3D GETPC(); check_noshuf(env, slot, vaddr, 1); return cpu_ldub_data_ra(env, vaddr, ra); } =20 -static uint16_t mem_load2(CPUHexagonState *env, uint32_t slot, - target_ulong vaddr) +uint16_t mem_load2(CPUHexagonState *env, uint32_t slot, target_ulong vaddr) { uintptr_t ra =3D GETPC(); check_noshuf(env, slot, vaddr, 2); return cpu_lduw_data_ra(env, vaddr, ra); } =20 -static uint32_t mem_load4(CPUHexagonState *env, uint32_t slot, - target_ulong vaddr) +uint32_t mem_load4(CPUHexagonState *env, uint32_t slot, target_ulong vaddr) { uintptr_t ra =3D GETPC(); check_noshuf(env, slot, vaddr, 4); return cpu_ldl_data_ra(env, vaddr, ra); } =20 -static uint64_t mem_load8(CPUHexagonState *env, uint32_t slot, - target_ulong vaddr) +uint64_t mem_load8(CPUHexagonState *env, uint32_t slot, target_ulong vaddr) { uintptr_t ra =3D GETPC(); check_noshuf(env, slot, vaddr, 8); @@ -1465,7 +1462,7 @@ void HELPER(vwhist128qm)(CPUHexagonState *env, int32_= t uiV) } } =20 -static void cancel_slot(CPUHexagonState *env, uint32_t slot) +void cancel_slot(CPUHexagonState *env, uint32_t slot) { HEX_DEBUG_LOG("Slot %d cancelled\n", slot); env->slot_cancelled |=3D (1 << slot); diff --git a/target/hexagon/op_helper.h b/target/hexagon/op_helper.h new file mode 100644 index 0000000000..9fbebf11c3 --- /dev/null +++ b/target/hexagon/op_helper.h @@ -0,0 +1,37 @@ +/* + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Res= erved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef HEXAGON_OP_HELPER_H +#define HEXAGON_OP_HELPER_H + +/* Misc functions */ +void cancel_slot(CPUHexagonState *env, uint32_t slot); +void write_new_pc(CPUHexagonState *env, target_ulong addr); + +uint8_t mem_load1(CPUHexagonState *env, uint32_t slot, target_ulong vaddr); +uint16_t mem_load2(CPUHexagonState *env, uint32_t slot, target_ulong vaddr= ); +uint32_t mem_load4(CPUHexagonState *env, uint32_t slot, target_ulong vaddr= ); +uint64_t mem_load8(CPUHexagonState *env, uint32_t slot, target_ulong vaddr= ); + +void log_reg_write(CPUHexagonState *env, int rnum, + target_ulong val, uint32_t slot); +void log_store64(CPUHexagonState *env, target_ulong addr, + int64_t val, int width, int slot); +void log_store32(CPUHexagonState *env, target_ulong addr, + target_ulong val, int width, int slot); + +#endif --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1659614893; cv=none; d=zohomail.com; s=zohoarc; b=msq1uy6h3eHsXpEVgAo5b7/Vc+xmu21GeZEb4Z6uv4nZMqo/n5Tyb10WcnV5iyKQYHXSH6nkfFc73P1+Rh/C/FgJdp325JWm5GO7+/GZeCULVk5EI1yUK0RmqnmMx8q6SoAtRlbaBwLq9hFvVRIJC5633hmqm8B4CN1UODHEh2E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1659614893; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=ZxZVeuoGSTCi30qcXnrne4i2WnOwbXd2xFBBRNTB6Yo=; b=RuxVcyrgNSbseGw8zKriEddmo4QN/k3pFWk42+BvJBB+8fMEGdCL4IgyPRMCX+4aJm42AblYaKyB37r7RSdAJRlzKnKLsPj4JTjUri8J9IGhsY+wB3oGsUoARroneVBUsVaH1qkMDHeoKI2IAmXfsBuJTzA7AjY7szBenTg+lJE= ARC-Authentication-Results: i=1; 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Thu, 04 Aug 2022 07:56:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=ZxZVeuoGSTCi30qcXnrne4i2WnOwbXd2xFBBRNTB6Yo=; b=rq1TqKV4MsIwF4epGHoBU5pqgy txsxUYLBgT9hYanh4NT8PZ0+K/Tkp914/2jBC5k2Yxri1DhHN68qaumDZbPQrgbiaJ6F/aTa/Ghq2 EFz7r/wYcw4WxtLrMwY2MytBwIuAP9qxS7c0ozmLtQUUpwl9Ts5h45zoa+4beSsk+7rk=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 05/15] target/hexagon: introduce new helper functions Date: Thu, 4 Aug 2022 13:55:38 +0200 Message-Id: <20220804115548.13024-6-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659614894652100001 From: Niccol=C3=B2 Izzo These helpers will be employed by the idef-parser generated code, to correctly implement instruction semantics. "Helper" functions, in the context of this patch, refers to functions which provide a manual TCG implementation of certain features. Signed-off-by: Alessandro Di Federico Signed-off-by: Niccol=C3=B2 Izzo Signed-off-by: Anton Johansson Reviewed-by: Taylor Simpson --- target/hexagon/genptr.c | 178 ++++++++++++++++++++++++++++++++++++++-- target/hexagon/genptr.h | 17 +++- target/hexagon/macros.h | 9 ++ 3 files changed, 196 insertions(+), 8 deletions(-) diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 000e9813c5..ab04e5e7ff 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -31,6 +31,12 @@ #include "gen_tcg_hvx.h" #include "genptr.h" =20 +TCGv gen_read_reg(TCGv result, int num) +{ + tcg_gen_mov_tl(result, hex_gpr[num]); + return result; +} + TCGv gen_read_preg(TCGv pred, uint8_t num) { tcg_gen_mov_tl(pred, hex_pred[num]); @@ -403,18 +409,19 @@ static inline void gen_store_conditional8(DisasContex= t *ctx, tcg_gen_movi_tl(hex_llsc_addr, ~0); } =20 -void gen_store32(TCGv vaddr, TCGv src, int width, uint32_t slot) +void gen_store32(DisasContext *ctx, TCGv vaddr, TCGv src, tcg_target_long = width, + uint32_t slot) { tcg_gen_mov_tl(hex_store_addr[slot], vaddr); tcg_gen_movi_tl(hex_store_width[slot], width); tcg_gen_mov_tl(hex_store_val32[slot], src); + ctx->store_width[slot] =3D width; } =20 void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, uint32_t slot) { - gen_store32(vaddr, src, 1, slot); - ctx->store_width[slot] =3D 1; + gen_store32(ctx, vaddr, src, 1, slot); } =20 void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t src, DisasContext *= ctx, @@ -427,8 +434,7 @@ void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t = src, DisasContext *ctx, void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, uint32_t slot) { - gen_store32(vaddr, src, 2, slot); - ctx->store_width[slot] =3D 2; + gen_store32(ctx, vaddr, src, 2, slot); } =20 void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t src, DisasContext *= ctx, @@ -441,8 +447,7 @@ void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t = src, DisasContext *ctx, void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, uint32_t slot) { - gen_store32(vaddr, src, 4, slot); - ctx->store_width[slot] =3D 4; + gen_store32(ctx, vaddr, src, 4, slot); } =20 void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t src, DisasContext *= ctx, @@ -654,5 +659,164 @@ void probe_noshuf_load(TCGv va, int s, int mi) gen_helper_probe_noshuf_load(cpu_env, va, size, mem_idx); } =20 +void gen_set_usr_field(int field, TCGv val) +{ + tcg_gen_deposit_tl(hex_new_value[HEX_REG_USR], hex_new_value[HEX_REG_U= SR], + val, + reg_field_info[field].offset, + reg_field_info[field].width); +} + +void gen_set_usr_fieldi(int field, int x) +{ + TCGv val =3D tcg_constant_tl(x); + gen_set_usr_field(field, val); +} + +/* + * Note: Since this function might branch, `val` is + * required to be a `tcg_temp_local`. + */ +void gen_set_usr_field_if(int field, TCGv val) +{ + /* Sets the USR field if `val` is non-zero */ + if (reg_field_info[field].width =3D=3D 1) { + TCGv tmp =3D tcg_temp_new(); + tcg_gen_extract_tl(tmp, val, 0, reg_field_info[field].width); + tcg_gen_shli_tl(tmp, tmp, reg_field_info[field].offset); + tcg_gen_or_tl(hex_new_value[HEX_REG_USR], + hex_new_value[HEX_REG_USR], + tmp); + tcg_temp_free(tmp); + } else { + TCGLabel *skip_label =3D gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_EQ, val, 0, skip_label); + gen_set_usr_field(field, val); + gen_set_label(skip_label); + } +} + +void gen_write_new_pc(TCGv addr) +{ + /* If there are multiple branches in a packet, ignore the second one */ + TCGv zero =3D tcg_constant_tl(0); + tcg_gen_movcond_tl(TCG_COND_NE, hex_next_PC, hex_branch_taken, zero, + hex_next_PC, addr); + tcg_gen_movi_tl(hex_branch_taken, 1); +} + +void gen_sat_i32(TCGv dest, TCGv source, int width) +{ + TCGv max_val =3D tcg_constant_tl((1 << (width - 1)) - 1); + TCGv min_val =3D tcg_constant_tl(-(1 << (width - 1))); + tcg_gen_smin_tl(dest, source, max_val); + tcg_gen_smax_tl(dest, dest, min_val); +} + +void gen_sat_i32_ovfl(TCGv ovfl, TCGv dest, TCGv source, int width) +{ + gen_sat_i32(dest, source, width); + tcg_gen_setcond_tl(TCG_COND_NE, ovfl, source, dest); +} + +void gen_satu_i32(TCGv dest, TCGv source, int width) +{ + TCGv max_val =3D tcg_constant_tl((1 << width) - 1); + TCGv zero =3D tcg_constant_tl(0); + tcg_gen_movcond_tl(TCG_COND_GTU, dest, source, max_val, max_val, sourc= e); + tcg_gen_movcond_tl(TCG_COND_LT, dest, source, zero, zero, dest); +} + +void gen_satu_i32_ovfl(TCGv ovfl, TCGv dest, TCGv source, int width) +{ + gen_satu_i32(dest, source, width); + tcg_gen_setcond_tl(TCG_COND_NE, ovfl, source, dest); +} + +void gen_sat_i64(TCGv_i64 dest, TCGv_i64 source, int width) +{ + TCGv_i64 max_val =3D tcg_constant_i64((1LL << (width - 1)) - 1LL); + TCGv_i64 min_val =3D tcg_constant_i64(-(1LL << (width - 1))); + tcg_gen_smin_i64(dest, source, max_val); + tcg_gen_smax_i64(dest, dest, min_val); +} + +void gen_sat_i64_ovfl(TCGv ovfl, TCGv_i64 dest, TCGv_i64 source, int width) +{ + TCGv_i64 ovfl_64; + gen_sat_i64(dest, source, width); + ovfl_64 =3D tcg_temp_new_i64(); + tcg_gen_setcond_i64(TCG_COND_NE, ovfl_64, dest, source); + tcg_gen_trunc_i64_tl(ovfl, ovfl_64); + tcg_temp_free_i64(ovfl_64); +} + +void gen_satu_i64(TCGv_i64 dest, TCGv_i64 source, int width) +{ + TCGv_i64 max_val =3D tcg_constant_i64((1LL << width) - 1LL); + TCGv_i64 zero =3D tcg_constant_i64(0); + tcg_gen_movcond_i64(TCG_COND_GTU, dest, source, max_val, max_val, sour= ce); + tcg_gen_movcond_i64(TCG_COND_LT, dest, source, zero, zero, dest); +} + +void gen_satu_i64_ovfl(TCGv ovfl, TCGv_i64 dest, TCGv_i64 source, int widt= h) +{ + TCGv_i64 ovfl_64; + gen_satu_i64(dest, source, width); + ovfl_64 =3D tcg_temp_new_i64(); + tcg_gen_setcond_i64(TCG_COND_NE, ovfl_64, dest, source); + tcg_gen_trunc_i64_tl(ovfl, ovfl_64); + tcg_temp_free_i64(ovfl_64); +} + +/* Implements the fADDSAT64 macro in TCG */ +void gen_add_sat_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b) +{ + TCGv_i64 sum =3D tcg_temp_local_new_i64(); + TCGv_i64 xor =3D tcg_temp_new_i64(); + TCGv_i64 cond1 =3D tcg_temp_new_i64(); + TCGv_i64 cond2 =3D tcg_temp_local_new_i64(); + TCGv_i64 cond3 =3D tcg_temp_new_i64(); + TCGv_i64 mask =3D tcg_constant_i64(0x8000000000000000ULL); + TCGv_i64 max_pos =3D tcg_constant_i64(0x7FFFFFFFFFFFFFFFLL); + TCGv_i64 max_neg =3D tcg_constant_i64(0x8000000000000000LL); + TCGv_i64 zero =3D tcg_constant_i64(0); + TCGLabel *no_ovfl_label =3D gen_new_label(); + TCGLabel *ovfl_label =3D gen_new_label(); + TCGLabel *ret_label =3D gen_new_label(); + + tcg_gen_add_i64(sum, a, b); + tcg_gen_xor_i64(xor, a, b); + + /* if (xor & mask) */ + tcg_gen_and_i64(cond1, xor, mask); + tcg_temp_free_i64(xor); + tcg_gen_brcondi_i64(TCG_COND_NE, cond1, 0, no_ovfl_label); + tcg_temp_free_i64(cond1); + + /* else if ((a ^ sum) & mask) */ + tcg_gen_xor_i64(cond2, a, sum); + tcg_gen_and_i64(cond2, cond2, mask); + tcg_gen_brcondi_i64(TCG_COND_NE, cond2, 0, ovfl_label); + tcg_temp_free_i64(cond2); + /* fallthrough to no_ovfl_label branch */ + + /* if branch */ + gen_set_label(no_ovfl_label); + tcg_gen_mov_i64(ret, sum); + tcg_gen_br(ret_label); + + /* else if branch */ + gen_set_label(ovfl_label); + tcg_gen_and_i64(cond3, sum, mask); + tcg_temp_free_i64(mask); + tcg_temp_free_i64(sum); + tcg_gen_movcond_i64(TCG_COND_NE, ret, cond3, zero, max_pos, max_neg); + tcg_temp_free_i64(cond3); + SET_USR_FIELD(USR_OVF, 1); + + gen_set_label(ret_label); +} + #include "tcg_funcs_generated.c.inc" #include "tcg_func_table_generated.c.inc" diff --git a/target/hexagon/genptr.h b/target/hexagon/genptr.h index 016d5d7085..6c50c5383b 100644 --- a/target/hexagon/genptr.h +++ b/target/hexagon/genptr.h @@ -24,7 +24,8 @@ =20 extern const SemanticInsn opcode_genptr[]; =20 -void gen_store32(TCGv vaddr, TCGv src, int width, uint32_t slot); +void gen_store32(DisasContext *ctx, TCGv vaddr, TCGv src, tcg_target_long = width, + uint32_t slot); void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, uint32_t slot); void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, DisasContext *ctx, @@ -41,9 +42,23 @@ void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t s= rc, DisasContext *ctx, uint32_t slot); void gen_store8i(TCGv_env cpu_env, TCGv vaddr, int64_t src, DisasContext *= ctx, uint32_t slot); +TCGv gen_read_reg(TCGv result, int num); TCGv gen_read_preg(TCGv pred, uint8_t num); void gen_log_reg_write(int rnum, TCGv val); void gen_log_pred_write(DisasContext *ctx, int pnum, TCGv val); +void gen_write_new_pc(TCGv addr); +void gen_set_usr_field(int field, TCGv val); +void gen_set_usr_fieldi(int field, int x); +void gen_set_usr_field_if(int field, TCGv val); +void gen_sat_i32(TCGv dest, TCGv source, int width); +void gen_sat_i32_ovfl(TCGv ovfl, TCGv dest, TCGv source, int width); +void gen_satu_i32(TCGv dest, TCGv source, int width); +void gen_satu_i32_ovfl(TCGv ovfl, TCGv dest, TCGv source, int width); +void gen_sat_i64(TCGv_i64 dest, TCGv_i64 source, int width); +void gen_sat_i64_ovfl(TCGv ovfl, TCGv_i64 dest, TCGv_i64 source, int width= ); +void gen_satu_i64(TCGv_i64 dest, TCGv_i64 source, int width); +void gen_satu_i64_ovfl(TCGv ovfl, TCGv_i64 dest, TCGv_i64 source, int widt= h); +void gen_add_sat_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b); TCGv gen_8bitsof(TCGv result, TCGv value); void gen_set_byte_i64(int N, TCGv_i64 result, TCGv src); TCGv gen_get_byte(TCGv result, int N, TCGv src, bool sign); diff --git a/target/hexagon/macros.h b/target/hexagon/macros.h index 4529af107a..4c2e3ce21e 100644 --- a/target/hexagon/macros.h +++ b/target/hexagon/macros.h @@ -197,7 +197,16 @@ #define MEM_STORE8(VA, DATA, SLOT) log_store64(env, VA, DATA, 8, SLOT) #endif =20 +#ifdef QEMU_GENERATE +static inline void gen_cancel(uint32_t slot) +{ + tcg_gen_ori_tl(hex_slot_cancelled, hex_slot_cancelled, 1 << slot); +} + +#define CANCEL gen_cancel(slot); +#else #define CANCEL cancel_slot(env, slot) +#endif =20 #define LOAD_CANCEL(EA) do { CANCEL; } while (0) =20 --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1659615142; cv=none; d=zohomail.com; s=zohoarc; b=RA9/h+0OBOvyFsxiB7b2w/c8HwIKF8T6ZpfqXGeo8qJB2rZCmMKaDrkul/SAnRJCx7AGZFLbmPubOE8pv7/9YkAYUPcxTx5oNPKPFNL6w67RAYkxBnbiiLGfymhBA2HDOowUxOlqHVNWYNTr8LxstfEZLx25FC75MSFqBPJnjhM= ARC-Message-Signature: i=1; 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To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 06/15] target/hexagon: expose next PC in DisasContext Date: Thu, 4 Aug 2022 13:55:39 +0200 Message-Id: <20220804115548.13024-7-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659615144115100001 Content-Type: text/plain; charset="utf-8" From: Paolo Montesel Signed-off-by: Alessandro Di Federico Signed-off-by: Paolo Montesel Reviewed-by: Richard Henderson Reviewed-by: Taylor Simpson --- target/hexagon/translate.c | 3 ++- target/hexagon/translate.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/target/hexagon/translate.c b/target/hexagon/translate.c index d4fc92f7e9..e3e250fd4f 100644 --- a/target/hexagon/translate.c +++ b/target/hexagon/translate.c @@ -741,11 +741,12 @@ static void decode_and_translate_packet(CPUHexagonSta= te *env, DisasContext *ctx) if (decode_packet(nwords, words, &pkt, false) > 0) { HEX_DEBUG_PRINT_PKT(&pkt); gen_start_packet(ctx, &pkt); + ctx->npc =3D ctx->base.pc_next + pkt.encod_pkt_size_in_bytes; for (i =3D 0; i < pkt.num_insns; i++) { gen_insn(env, ctx, &pkt.insn[i], &pkt); } gen_commit_packet(env, ctx, &pkt); - ctx->base.pc_next +=3D pkt.encod_pkt_size_in_bytes; + ctx->base.pc_next =3D ctx->npc; } else { gen_exception_end_tb(ctx, HEX_EXCP_INVALID_PACKET); } diff --git a/target/hexagon/translate.h b/target/hexagon/translate.h index a245172827..494471548e 100644 --- a/target/hexagon/translate.h +++ b/target/hexagon/translate.h @@ -53,6 +53,7 @@ typedef struct DisasContext { bool qreg_is_predicated[NUM_QREGS]; int qreg_log_idx; bool pre_commit; + uint32_t npc; } DisasContext; =20 static inline void ctx_log_reg_write(DisasContext *ctx, int rnum) --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1659614992; cv=none; d=zohomail.com; s=zohoarc; b=GVRkEgVmCpDPzkKQDhHPVLGHJyKMZbFqqwqZArl6ZpENDgBZ0zrVBmOSTn/V5CMUUea5V+eApANbE15crNT0yO2rmE+ZFCPKKZzSyTksQvvyrZTg0alrJdT1iVDjSsZrT9GISR8prTlA9K6bE/elLOW57UNMhLeACtnx9rHVswg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1659614992; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; 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Thu, 04 Aug 2022 07:56:12 -0400 Received: from rev.ng ([5.9.113.41]:35219) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJZST-0004ac-Gh for qemu-devel@nongnu.org; Thu, 04 Aug 2022 07:56:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=wpcFc7lDB152LEUXywQQjyWwOGaMc32TIHivBjm13As=; b=YOf483ov/4bO/U+zhxXeVb8SJE Ps0xd663Q1ayEpwuPLXVQeJkt3sq4ApuWYU+6DmDK3kBUpxbUxabttBsTgD2wLKLGGsYmpjljGzyK UIIT9t8qRE1BTiwJ6RxVGDffkX6EUk/86j13+Q+X/r3VVq0QRuQA7ah5RWxmSLlD+mVw=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 07/15] target/hexagon: prepare input for the idef-parser Date: Thu, 4 Aug 2022 13:55:40 +0200 Message-Id: <20220804115548.13024-8-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659614993387100001 Content-Type: text/plain; charset="utf-8" From: Alessandro Di Federico Introduce infrastructure necessary to produce a file suitable for being parsed by the idef-parser. A build option is also added to fully disable the output of idef-parser, which is useful for debugging. Signed-off-by: Alessandro Di Federico Signed-off-by: Anton Johansson Reviewed-by: Taylor Simpson --- meson_options.txt | 3 + target/hexagon/gen_idef_parser_funcs.py | 128 ++++++++++++++++++++++ target/hexagon/idef-parser/macros.inc | 140 ++++++++++++++++++++++++ target/hexagon/idef-parser/prepare | 24 ++++ target/hexagon/meson.build | 20 ++++ 5 files changed, 315 insertions(+) create mode 100644 target/hexagon/gen_idef_parser_funcs.py create mode 100644 target/hexagon/idef-parser/macros.inc create mode 100755 target/hexagon/idef-parser/prepare diff --git a/meson_options.txt b/meson_options.txt index e58e158396..6ec3e6ceec 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -311,3 +311,6 @@ option('profiler', type: 'boolean', value: false, description: 'profiler support') option('slirp_smbd', type : 'feature', value : 'auto', description: 'use smbd (at path --smbd=3D*) in slirp networking') + +option('hexagon_idef_parser', type : 'boolean', value : true, + description: 'use idef-parser to automatically generate TCG code fo= r the Hexagon frontend') diff --git a/target/hexagon/gen_idef_parser_funcs.py b/target/hexagon/gen_i= def_parser_funcs.py new file mode 100644 index 0000000000..178648b287 --- /dev/null +++ b/target/hexagon/gen_idef_parser_funcs.py @@ -0,0 +1,128 @@ +#!/usr/bin/env python3 + +## +## Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved. +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 2 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, see . +## + +import sys +import re +import string +from io import StringIO + +import hex_common + +## +## Generate code to be fed to the idef_parser +## +## Consider A2_add: +## +## Rd32=3Dadd(Rs32,Rt32), { RdV=3DRsV+RtV;} +## +## We produce: +## +## A2_add(RdV, in RsV, in RtV) { +## { RdV=3DRsV+RtV;} +## } +## +## A2_add represents the instruction tag. Then we have a list of TCGv +## that the code generated by the parser can expect in input. Some of +## them are inputs ("in" prefix), while some others are outputs. +## +def main(): + hex_common.read_semantics_file(sys.argv[1]) + hex_common.read_attribs_file(sys.argv[2]) + hex_common.calculate_attribs() + tagregs =3D hex_common.get_tagregs() + tagimms =3D hex_common.get_tagimms() + + with open(sys.argv[3], 'w') as f: + f.write('#include "macros.inc"\n\n') + + for tag in hex_common.tags: + ## Skip the priv instructions + if ( "A_PRIV" in hex_common.attribdict[tag] ) : + continue + ## Skip the guest instructions + if ( "A_GUEST" in hex_common.attribdict[tag] ) : + continue + ## Skip instructions that saturate in a ternary expression + if ( tag in {'S2_asr_r_r_sat', 'S2_asl_r_r_sat'} ) : + continue + ## Skip instructions using switch + if ( tag in {'S4_vrcrotate_acc', 'S4_vrcrotate'} ) : + continue + ## Skip trap instructions + if ( tag in {'J2_trap0', 'J2_trap1'} ) : + continue + ## Skip 128-bit instructions + if ( tag in {'A7_croundd_ri', 'A7_croundd_rr'} ) : + continue + if ( tag in {'M7_wcmpyrw', 'M7_wcmpyrwc', + 'M7_wcmpyiw', 'M7_wcmpyiwc', + 'M7_wcmpyrw_rnd', 'M7_wcmpyrwc_rnd', + 'M7_wcmpyiw_rnd', 'M7_wcmpyiwc_rnd'} ) : + continue + ## Skip interleave/deinterleave instructions + if ( tag in {'S2_interleave', 'S2_deinterleave'} ) : + continue + ## Skip instructions using bit reverse + if ( tag in {'S2_brev', 'S2_brevp', 'S2_ct0', 'S2_ct1', + 'S2_ct0p', 'S2_ct1p', 'A4_tlbmatch'} ) : + continue + ## Skip other unsupported instructions + if ( tag =3D=3D 'S2_cabacdecbin' or tag =3D=3D 'A5_ACS' ) : + continue + if ( tag.startswith('Y') ) : + continue + if ( tag.startswith('V6_') ) : + continue + if ( tag.startswith('F') ) : + continue + if ( tag.endswith('_locked') ) : + continue + + regs =3D tagregs[tag] + imms =3D tagimms[tag] + + arguments =3D [] + for regtype,regid,toss,numregs in regs: + prefix =3D "in " if hex_common.is_read(regid) else "" + + is_pair =3D hex_common.is_pair(regid) + is_single_old =3D (hex_common.is_single(regid) + and hex_common.is_old_val(regtype, regid,= tag)) + is_single_new =3D (hex_common.is_single(regid) + and hex_common.is_new_val(regtype, regid,= tag)) + + if is_pair or is_single_old: + arguments.append("%s%s%sV" % (prefix, regtype, regid)) + elif is_single_new: + arguments.append("%s%s%sN" % (prefix, regtype, regid)) + else: + print("Bad register parse: ",regtype,regid,toss,numreg= s) + + for immlett,bits,immshift in imms: + arguments.append(hex_common.imm_name(immlett)) + + f.write("%s(%s) {\n" % (tag, ", ".join(arguments))) + f.write(" "); + if hex_common.need_ea(tag): + f.write("size4u_t EA; "); + f.write("%s\n" % hex_common.semdict[tag]) + f.write("}\n\n") + +if __name__ =3D=3D "__main__": + main() diff --git a/target/hexagon/idef-parser/macros.inc b/target/hexagon/idef-pa= rser/macros.inc new file mode 100644 index 0000000000..6b697da87a --- /dev/null +++ b/target/hexagon/idef-parser/macros.inc @@ -0,0 +1,140 @@ +/* + * Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +/* Copy rules */ +#define fLSBOLD(VAL) (fGETBIT(0, VAL)) +#define fSATH(VAL) fSATN(16, VAL) +#define fSATUH(VAL) fSATUN(16, VAL) +#define fVSATH(VAL) fVSATN(16, VAL) +#define fVSATUH(VAL) fVSATUN(16, VAL) +#define fSATUB(VAL) fSATUN(8, VAL) +#define fSATB(VAL) fSATN(8, VAL) +#define fVSATUB(VAL) fVSATUN(8, VAL) +#define fVSATB(VAL) fVSATN(8, VAL) +#define fCALL(A) fWRITE_LR(fREAD_NPC()); fWRITE_NPC(A); +#define fCALLR(A) fWRITE_LR(fREAD_NPC()); fWRITE_NPC(A); +#define fCAST2_8s(A) fSXTN(16, 64, A) +#define fCAST2_8u(A) fZXTN(16, 64, A) +#define fVSATW(A) fVSATN(32, fCAST8_8s(A)) +#define fSATW(A) fSATN(32, fCAST8_8s(A)) +#define fVSAT(A) fVSATN(32, A) +#define fSAT(A) fSATN(32, A) + +/* Ease parsing */ +#define f8BITSOF(VAL) ((VAL) ? 0xff : 0x00) +#define fREAD_GP() (Constant_extended ? (0) : GP) +#define fCLIP(DST, SRC, U) (DST =3D fMIN((1 << U) - 1, fMAX(SRC, -(1 << U)= ))) +#define fBIDIR_ASHIFTL(SRC, SHAMT, REGSTYPE) \ + ((SHAMT > 0) ? \ + (fCAST##REGSTYPE##s(SRC) << SHAMT) : \ + (fCAST##REGSTYPE##s(SRC) >> -SHAMT)) + +#define fBIDIR_LSHIFTL(SRC, SHAMT, REGSTYPE) \ + ((SHAMT > 0) ? \ + (fCAST##REGSTYPE##u(SRC) << SHAMT) : \ + (fCAST##REGSTYPE##u(SRC) >>> -SHAMT)) + +#define fBIDIR_ASHIFTR(SRC, SHAMT, REGSTYPE) \ + ((SHAMT > 0) ? \ + (fCAST##REGSTYPE##s(SRC) >> SHAMT) : \ + (fCAST##REGSTYPE##s(SRC) << -SHAMT)) + +#define fBIDIR_SHIFTR(SRC, SHAMT, REGSTYPE) \ + (((SHAMT) < 0) ? ((fCAST##REGSTYPE(SRC) << ((-(SHAMT)) - 1)) << 1) \ + : (fCAST##REGSTYPE(SRC) >> (SHAMT))) + +#define fBIDIR_LSHIFTR(SRC, SHAMT, REGSTYPE) \ + fBIDIR_SHIFTR(SRC, SHAMT, REGSTYPE##u) + +#define fSATVALN(N, VAL) \ + fSET_OVERFLOW( \ + ((VAL) < 0) ? (-(1LL << ((N) - 1))) : ((1LL << ((N) - 1)) - 1) \ + ) + +#define fSAT_ORIG_SHL(A, ORIG_REG) \ + (((fCAST4s((fSAT(A)) ^ (fCAST4s(ORIG_REG)))) < 0) \ + ? fSATVALN(32, (fCAST4s(ORIG_REG))) \ + : ((((ORIG_REG) > 0) && ((A) =3D=3D 0)) ? fSATVALN(32, (ORIG_REG))= \ + : fSAT(A))) + +#define fBIDIR_ASHIFTR_SAT(SRC, SHAMT, REGSTYPE) \ + (((SHAMT) < 0) ? fSAT_ORIG_SHL((fCAST##REGSTYPE##s(SRC) \ + << ((-(SHAMT)) - 1)) << 1, (SRC)) \ + : (fCAST##REGSTYPE##s(SRC) >> (SHAMT))) + +#define fBIDIR_ASHIFTL_SAT(SRC, SHAMT, REGSTYPE) \ + (((SHAMT) < 0) \ + ? ((fCAST##REGSTYPE##s(SRC) >> ((-(SHAMT)) - 1)) >> 1) \ + : fSAT_ORIG_SHL(fCAST##REGSTYPE##s(SRC) << (SHAMT), (SRC))) + +#define fEXTRACTU_BIDIR(INREG, WIDTH, OFFSET) \ + (fZXTN(WIDTH, 32, fBIDIR_LSHIFTR((INREG), (OFFSET), 4_8))) + +/* Least significant bit operations */ +#define fLSBNEW0 fLSBNEW(P0N) +#define fLSBNEW1 fLSBNEW(P1N) +#define fLSBOLDNOT(VAL) fGETBIT(0, ~VAL) +#define fLSBNEWNOT(PRED) (fLSBNEW(~PRED)) +#define fLSBNEW0NOT fLSBNEW(~P0N) +#define fLSBNEW1NOT fLSBNEW(~P1N) + +/* Assignments */ +#define fPCALIGN(IMM) (IMM =3D IMM & ~3) +#define fWRITE_LR(A) (LR =3D A) +#define fWRITE_FP(A) (FP =3D A) +#define fWRITE_SP(A) (SP =3D A) +/* + * Note: There is a rule in the parser that matches `PC =3D ...` and emits + * a call to `gen_write_new_pc`. We need to call `gen_write_new_pc` to + * get the correct semantics when there are multiple stores in a packet. + */ +#define fBRANCH(LOC, TYPE) (PC =3D LOC) +#define fJUMPR(REGNO, TARGET, TYPE) (PC =3D TARGET) +#define fWRITE_LOOP_REGS0(START, COUNT) SA0 =3D START; (LC0 =3D COUNT) +#define fWRITE_LOOP_REGS1(START, COUNT) SA1 =3D START; (LC1 =3D COUNT) +#define fWRITE_LC0(VAL) (LC0 =3D VAL) +#define fWRITE_LC1(VAL) (LC1 =3D VAL) +#define fSET_LPCFG(VAL) (USR.LPCFG =3D VAL) +#define fWRITE_P0(VAL) P0 =3D VAL; +#define fWRITE_P1(VAL) P1 =3D VAL; +#define fWRITE_P3(VAL) P3 =3D VAL; +#define fEA_RI(REG, IMM) (EA =3D REG + IMM) +#define fEA_RRs(REG, REG2, SCALE) (EA =3D REG + (REG2 << SCALE)) +#define fEA_IRs(IMM, REG, SCALE) (EA =3D IMM + (REG << SCALE)) +#define fEA_IMM(IMM) (EA =3D IMM) +#define fEA_REG(REG) (EA =3D REG) +#define fEA_BREVR(REG) (EA =3D fbrev(REG)) +#define fEA_GPI(IMM) (EA =3D fREAD_GP() + IMM) +#define fPM_I(REG, IMM) (REG =3D REG + IMM) +#define fPM_M(REG, MVAL) (REG =3D REG + MVAL) +#define fWRITE_NPC(VAL) (PC =3D VAL) + +/* Unary operators */ +#define fROUND(A) (A + 0x8000) + +/* Binary operators */ +#define fSCALE(N, A) (A << N) +#define fASHIFTR(SRC, SHAMT, REGSTYPE) (fCAST##REGSTYPE##s(SRC) >> SHAMT) +#define fLSHIFTR(SRC, SHAMT, REGSTYPE) (SRC >>> SHAMT) +#define fROTL(SRC, SHAMT, REGSTYPE) fROTL(SRC, SHAMT) +#define fASHIFTL(SRC, SHAMT, REGSTYPE) (fCAST##REGSTYPE##s(SRC) << SHAMT) + +/* Include fHIDE macros which hide type declarations */ +#define fHIDE(A) A + +/* Purge non-relavant parts */ +#define fBRANCH_SPECULATE_STALL(A, B, C, D, E) diff --git a/target/hexagon/idef-parser/prepare b/target/hexagon/idef-parse= r/prepare new file mode 100755 index 0000000000..72d6fcbd21 --- /dev/null +++ b/target/hexagon/idef-parser/prepare @@ -0,0 +1,24 @@ +#!/bin/bash + +# +# Copyright(c) 2019-2021 rev.ng Labs Srl. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# + +set -e +set -o pipefail + +# Run the preprocessor and drop comments +cpp "$@" diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build index b61243103f..b9bc8a8a12 100644 --- a/target/hexagon/meson.build +++ b/target/hexagon/meson.build @@ -21,6 +21,7 @@ hex_common_py =3D 'hex_common.py' attribs_def =3D meson.current_source_dir() / 'attribs_def.h.inc' gen_tcg_h =3D meson.current_source_dir() / 'gen_tcg.h' gen_tcg_hvx_h =3D meson.current_source_dir() / 'gen_tcg_hvx.h' +idef_parser_dir =3D meson.current_source_dir() / 'idef-parser' =20 # # Step 1 @@ -179,4 +180,23 @@ hexagon_ss.add(files( 'mmvec/system_ext_mmvec.c', )) =20 +idef_parser_enabled =3D get_option('hexagon_idef_parser') +if idef_parser_enabled + idef_parser_input_generated =3D custom_target( + 'idef_parser_input.h.inc', + output: 'idef_parser_input.h.inc', + depends: [semantics_generated], + depend_files: [hex_common_py], + command: [python, files('gen_idef_parser_funcs.py'), semantics_gen= erated, attribs_def, '@OUTPUT@'], + ) + + preprocessed_idef_parser_input_generated =3D custom_target( + 'idef_parser_input.preprocessed.h.inc', + output: 'idef_parser_input.preprocessed.h.inc', + input: idef_parser_input_generated, + depend_files: [idef_parser_dir / 'macros.inc'], + command: [idef_parser_dir / 'prepare', '@INPUT@', '-I' + idef_pars= er_dir, '-o', '@OUTPUT@'], + ) +endif + target_arch +=3D {'hexagon': hexagon_ss} --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1659614257; cv=none; d=zohomail.com; s=zohoarc; b=H7cU9HNqvu5yz/xDT9AdLY3olylq7FYNDhkFSIhnlEQpDe/QKwoYwHLunCvKQLeJuFnyMh082nMNSZMR5BWLzkeobVCsIZk2WhQd49OmaNccuHwn2wfjgbTLPtE1VSfgBV7Fo+bzEfd6OH1NMvljcq3/Utvnf6vjpFtnKKZg3+k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1659614257; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=nY14A5g1ZKWu2mji9/qQMOePdwMEvh9Xchrd3WLhpw0=; b=KqyTO2P156CC/jBywp4fuoFDVoNnrHS4MKaROs7sWWL9BOwRxs/VhA1nuuvloPuuelzyG0s1h2lBL+uvppXbiNrogZiwqNH/HlKBuobc6gk2tlsEr4JpXMv4+HTNtyE++igOy0pZHQ1LzUkLuUQM0n7ri5/FucJzeNUBng4EA4A= ARC-Authentication-Results: i=1; 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Thu, 04 Aug 2022 07:56:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=nY14A5g1ZKWu2mji9/qQMOePdwMEvh9Xchrd3WLhpw0=; b=fnwteIfqddx5I/xmEQKHhzrgIt EDEnsUP1HKUpKRTkbMcaQiBTYd0U5u+9CNYKXvEPXXhuwq2Ouhi+wIK0VeDC51upDXasd0bzymeVQ YE/D02Y41tpob48dqd4mrdMfe/4ZjnfJJPm7j6BmUl73ocYdOD/Q318I75J0K1WShXP4=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 08/15] target/hexagon: add flex/bison/glib2 to qemu.yml Date: Thu, 4 Aug 2022 13:55:41 +0200 Message-Id: <20220804115548.13024-9-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659614258719100001 Content-Type: text/plain; charset="utf-8" Note, the glib2-native mapping exists separately from the normal glib2 mapping. The latter uses a `foreign` cross-policy-default, and libvirt-ci is not able to support package mappings for multiple cross-compilation policies. This will probably change in the future. Signed-off-by: Alessandro Di Federico Signed-off-by: Paolo Montesel Signed-off-by: Anton Johansson Acked-by: Alex Benn=C3=A9e --- tests/lcitool/projects/qemu.yml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tests/lcitool/projects/qemu.yml b/tests/lcitool/projects/qemu.= yml index d9f826f8eb..0d92819249 100644 --- a/tests/lcitool/projects/qemu.yml +++ b/tests/lcitool/projects/qemu.yml @@ -3,6 +3,7 @@ packages: - alsa - bash - bc + - bison - brlapi - bzip2 - bzip2-libs @@ -19,6 +20,7 @@ packages: - diffutils - dtrace - findutils + - flex - fuse3 - g++ - gcc @@ -26,6 +28,7 @@ packages: - gettext - genisoimage - glib2 + - glib2-native - glib2-static - glusterfs - gnutls --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none 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c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=CkTv7K+hHZg0VIX10KJblcl+7hDZuRKkj2bEfv6rxK8=; b=W8JzIywjB28lGlBVCXYYJy+FAF aHjka4scmPzhGpbEbll1t1B16DnOsSCHfBrx/LcDRv0dG8vw5VafhY06WMd+u/XD2cpg8SxUySs0B kxeHmZplyj7oKWQkb1lQIvk6YOOAeaU1c3NIbfsR2lPb1cuWZMH51GdxtPQ1Ke+ZZcyw=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 09/15] target/hexagon: regenerate docker/cirrus files Date: Thu, 4 Aug 2022 13:55:42 +0200 Message-Id: <20220804115548.13024-10-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659614539755100001 Content-Type: text/plain; charset="utf-8" This patch updates the docker and cirrus files with the new packages by running tests/lcitool/refresh Signed-off-by: Anton Johansson --- .gitlab-ci.d/cirrus/freebsd-12.vars | 2 +- .gitlab-ci.d/cirrus/freebsd-13.vars | 2 +- .gitlab-ci.d/cirrus/macos-11.vars | 2 +- tests/docker/dockerfiles/alpine.docker | 2 ++ tests/docker/dockerfiles/centos8.docker | 2 ++ tests/docker/dockerfiles/debian-amd64.docker | 2 ++ tests/docker/dockerfiles/debian-arm64-cross.docker | 3 +++ tests/docker/dockerfiles/debian-armel-cross.docker | 3 +++ tests/docker/dockerfiles/debian-armhf-cross.docker | 3 +++ tests/docker/dockerfiles/debian-mips64el-cross.docker | 3 +++ tests/docker/dockerfiles/debian-mipsel-cross.docker | 3 +++ tests/docker/dockerfiles/debian-ppc64el-cross.docker | 3 +++ tests/docker/dockerfiles/debian-s390x-cross.docker | 3 +++ tests/docker/dockerfiles/fedora.docker | 2 ++ tests/docker/dockerfiles/opensuse-leap.docker | 2 ++ tests/docker/dockerfiles/ubuntu2004.docker | 2 ++ 16 files changed, 36 insertions(+), 3 deletions(-) diff --git a/.gitlab-ci.d/cirrus/freebsd-12.vars b/.gitlab-ci.d/cirrus/free= bsd-12.vars index 8fa5a320e9..1d8a1da24f 100644 --- a/.gitlab-ci.d/cirrus/freebsd-12.vars +++ b/.gitlab-ci.d/cirrus/freebsd-12.vars @@ -11,6 +11,6 @@ MAKE=3D'/usr/local/bin/gmake' NINJA=3D'/usr/local/bin/ninja' PACKAGING_COMMAND=3D'pkg' PIP3=3D'/usr/local/bin/pip-3.8' -PKGS=3D'alsa-lib bash bzip2 ca_root_nss capstone4 ccache cdrkit-genisoimag= e cmocka ctags curl cyrus-sasl dbus diffutils dtc fusefs-libs3 gettext git = glib gmake gnutls gsed gtk3 json-c libepoxy libffi libgcrypt libjpeg-turbo = libnfs libspice-server libssh libtasn1 llvm lzo2 meson ncurses nettle ninja= opencv perl5 pixman pkgconf png py39-numpy py39-pillow py39-pip py39-sphin= x py39-sphinx_rtd_theme py39-yaml python3 rpm2cpio sdl2 sdl2_image snappy s= pice-protocol tesseract texinfo usbredir virglrenderer vte3 zstd' +PKGS=3D'alsa-lib bash bison bzip2 ca_root_nss capstone4 ccache cdrkit-geni= soimage cmocka ctags curl cyrus-sasl dbus diffutils dtc flex fusefs-libs3 g= ettext git glib gmake gnutls gsed gtk3 json-c libepoxy libffi libgcrypt lib= jpeg-turbo libnfs libspice-server libssh libtasn1 llvm lzo2 meson ncurses n= ettle ninja opencv perl5 pixman pkgconf png py39-numpy py39-pillow py39-pip= py39-sphinx py39-sphinx_rtd_theme py39-yaml python3 rpm2cpio sdl2 sdl2_ima= ge snappy spice-protocol tesseract texinfo usbredir virglrenderer vte3 zstd' PYPI_PKGS=3D'' PYTHON=3D'/usr/local/bin/python3' diff --git a/.gitlab-ci.d/cirrus/freebsd-13.vars b/.gitlab-ci.d/cirrus/free= bsd-13.vars index 8ed7e33a77..61ddb6d97d 100644 --- a/.gitlab-ci.d/cirrus/freebsd-13.vars +++ b/.gitlab-ci.d/cirrus/freebsd-13.vars @@ -11,6 +11,6 @@ MAKE=3D'/usr/local/bin/gmake' NINJA=3D'/usr/local/bin/ninja' PACKAGING_COMMAND=3D'pkg' PIP3=3D'/usr/local/bin/pip-3.8' -PKGS=3D'alsa-lib bash bzip2 ca_root_nss capstone4 ccache cdrkit-genisoimag= e cmocka ctags curl cyrus-sasl dbus diffutils dtc fusefs-libs3 gettext git = glib gmake gnutls gsed gtk3 json-c libepoxy libffi libgcrypt libjpeg-turbo = libnfs libspice-server libssh libtasn1 llvm lzo2 meson ncurses nettle ninja= opencv perl5 pixman pkgconf png py39-numpy py39-pillow py39-pip py39-sphin= x py39-sphinx_rtd_theme py39-yaml python3 rpm2cpio sdl2 sdl2_image snappy s= pice-protocol tesseract texinfo usbredir virglrenderer vte3 zstd' +PKGS=3D'alsa-lib bash bison bzip2 ca_root_nss capstone4 ccache cdrkit-geni= soimage cmocka ctags curl cyrus-sasl dbus diffutils dtc flex fusefs-libs3 g= ettext git glib gmake gnutls gsed gtk3 json-c libepoxy libffi libgcrypt lib= jpeg-turbo libnfs libspice-server libssh libtasn1 llvm lzo2 meson ncurses n= ettle ninja opencv perl5 pixman pkgconf png py39-numpy py39-pillow py39-pip= py39-sphinx py39-sphinx_rtd_theme py39-yaml python3 rpm2cpio sdl2 sdl2_ima= ge snappy spice-protocol tesseract texinfo usbredir virglrenderer vte3 zstd' PYPI_PKGS=3D'' PYTHON=3D'/usr/local/bin/python3' diff --git a/.gitlab-ci.d/cirrus/macos-11.vars b/.gitlab-ci.d/cirrus/macos-= 11.vars index bec6e862d4..aee9f50de6 100644 --- a/.gitlab-ci.d/cirrus/macos-11.vars +++ b/.gitlab-ci.d/cirrus/macos-11.vars @@ -11,6 +11,6 @@ MAKE=3D'/usr/local/bin/gmake' NINJA=3D'/usr/local/bin/ninja' PACKAGING_COMMAND=3D'brew' PIP3=3D'/usr/local/bin/pip3' -PKGS=3D'bash bc bzip2 capstone ccache cmocka ctags curl dbus diffutils dtc= gcovr gettext git glib gnu-sed gnutls gtk+3 jemalloc jpeg-turbo json-c lib= epoxy libffi libgcrypt libiscsi libnfs libpng libslirp libssh libtasn1 libu= sb llvm lzo make meson ncurses nettle ninja perl pixman pkg-config python3 = rpm2cpio sdl2 sdl2_image snappy sparse spice-protocol tesseract texinfo usb= redir vde vte3 zlib zstd' +PKGS=3D'bash bc bison bzip2 capstone ccache cmocka ctags curl dbus diffuti= ls dtc flex gcovr gettext git glib gnu-sed gnutls gtk+3 jemalloc jpeg-turbo= json-c libepoxy libffi libgcrypt libiscsi libnfs libpng libslirp libssh li= btasn1 libusb llvm lzo make meson ncurses nettle ninja perl pixman pkg-conf= ig python3 rpm2cpio sdl2 sdl2_image snappy sparse spice-protocol tesseract = texinfo usbredir vde vte3 zlib zstd' PYPI_PKGS=3D'PyYAML numpy pillow sphinx sphinx-rtd-theme' PYTHON=3D'/usr/local/bin/python3' diff --git a/tests/docker/dockerfiles/alpine.docker b/tests/docker/dockerfi= les/alpine.docker index 806cb19f17..7d6e95275a 100644 --- a/tests/docker/dockerfiles/alpine.docker +++ b/tests/docker/dockerfiles/alpine.docker @@ -13,6 +13,7 @@ RUN apk update && \ attr-dev \ bash \ bc \ + bison \ bzip2 \ bzip2-dev \ ca-certificates \ @@ -30,6 +31,7 @@ RUN apk update && \ dtc-dev \ eudev-dev \ findutils \ + flex \ fuse3-dev \ g++ \ gcc \ diff --git a/tests/docker/dockerfiles/centos8.docker b/tests/docker/dockerf= iles/centos8.docker index 3c29883332..d89113c0df 100644 --- a/tests/docker/dockerfiles/centos8.docker +++ b/tests/docker/dockerfiles/centos8.docker @@ -17,6 +17,7 @@ RUN dnf distro-sync -y && \ alsa-lib-devel \ bash \ bc \ + bison \ brlapi-devel \ bzip2 \ bzip2-devel \ @@ -31,6 +32,7 @@ RUN dnf distro-sync -y && \ device-mapper-multipath-devel \ diffutils \ findutils \ + flex \ fuse3-devel \ gcc \ gcc-c++ \ diff --git a/tests/docker/dockerfiles/debian-amd64.docker b/tests/docker/do= ckerfiles/debian-amd64.docker index 8d78ba2484..a8b728ca64 100644 --- a/tests/docker/dockerfiles/debian-amd64.docker +++ b/tests/docker/dockerfiles/debian-amd64.docker @@ -13,6 +13,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ eatmydata apt-get install --no-install-recommends -y \ bash \ bc \ + bison \ bsdextrautils \ bzip2 \ ca-certificates \ @@ -23,6 +24,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ diffutils \ exuberant-ctags \ findutils \ + flex \ g++ \ gcc \ gcovr \ diff --git a/tests/docker/dockerfiles/debian-arm64-cross.docker b/tests/doc= ker/dockerfiles/debian-arm64-cross.docker index b7ba2c527f..17a5709245 100644 --- a/tests/docker/dockerfiles/debian-arm64-cross.docker +++ b/tests/docker/dockerfiles/debian-arm64-cross.docker @@ -13,6 +13,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ eatmydata apt-get install --no-install-recommends -y \ bash \ bc \ + bison \ bsdextrautils \ bzip2 \ ca-certificates \ @@ -22,11 +23,13 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ diffutils \ exuberant-ctags \ findutils \ + flex \ gcovr \ genisoimage \ gettext \ git \ hostname \ + libglib2.0-dev \ libpcre2-dev \ libspice-protocol-dev \ llvm \ diff --git a/tests/docker/dockerfiles/debian-armel-cross.docker b/tests/doc= ker/dockerfiles/debian-armel-cross.docker index 9b1778261e..701fc70db0 100644 --- a/tests/docker/dockerfiles/debian-armel-cross.docker +++ b/tests/docker/dockerfiles/debian-armel-cross.docker @@ -13,6 +13,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ eatmydata apt-get install --no-install-recommends -y \ bash \ bc \ + bison \ bsdextrautils \ bzip2 \ ca-certificates \ @@ -22,11 +23,13 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ diffutils \ exuberant-ctags \ findutils \ + flex \ gcovr \ genisoimage \ gettext \ git \ hostname \ + libglib2.0-dev \ libpcre2-dev \ libspice-protocol-dev \ llvm \ diff --git a/tests/docker/dockerfiles/debian-armhf-cross.docker b/tests/doc= ker/dockerfiles/debian-armhf-cross.docker index addbc9a793..5a11fe3900 100644 --- a/tests/docker/dockerfiles/debian-armhf-cross.docker +++ b/tests/docker/dockerfiles/debian-armhf-cross.docker @@ -13,6 +13,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ eatmydata apt-get install --no-install-recommends -y \ bash \ bc \ + bison \ bsdextrautils \ bzip2 \ ca-certificates \ @@ -22,11 +23,13 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ diffutils \ exuberant-ctags \ findutils \ + flex \ gcovr \ genisoimage \ gettext \ git \ hostname \ + libglib2.0-dev \ libpcre2-dev \ libspice-protocol-dev \ llvm \ diff --git a/tests/docker/dockerfiles/debian-mips64el-cross.docker b/tests/= docker/dockerfiles/debian-mips64el-cross.docker index 1bb7d8e184..9b90a4d6ff 100644 --- a/tests/docker/dockerfiles/debian-mips64el-cross.docker +++ b/tests/docker/dockerfiles/debian-mips64el-cross.docker @@ -13,6 +13,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ eatmydata apt-get install --no-install-recommends -y \ bash \ bc \ + bison \ bsdextrautils \ bzip2 \ ca-certificates \ @@ -22,11 +23,13 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ diffutils \ exuberant-ctags \ findutils \ + flex \ gcovr \ genisoimage \ gettext \ git \ hostname \ + libglib2.0-dev \ libpcre2-dev \ libspice-protocol-dev \ llvm \ diff --git a/tests/docker/dockerfiles/debian-mipsel-cross.docker b/tests/do= cker/dockerfiles/debian-mipsel-cross.docker index a94b459b23..02feaf26cb 100644 --- a/tests/docker/dockerfiles/debian-mipsel-cross.docker +++ b/tests/docker/dockerfiles/debian-mipsel-cross.docker @@ -13,6 +13,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ eatmydata apt-get install --no-install-recommends -y \ bash \ bc \ + bison \ bsdextrautils \ bzip2 \ ca-certificates \ @@ -22,11 +23,13 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ diffutils \ exuberant-ctags \ findutils \ + flex \ gcovr \ genisoimage \ gettext \ git \ hostname \ + libglib2.0-dev \ libpcre2-dev \ libspice-protocol-dev \ llvm \ diff --git a/tests/docker/dockerfiles/debian-ppc64el-cross.docker b/tests/d= ocker/dockerfiles/debian-ppc64el-cross.docker index c641fd5d0e..97d3872ee2 100644 --- a/tests/docker/dockerfiles/debian-ppc64el-cross.docker +++ b/tests/docker/dockerfiles/debian-ppc64el-cross.docker @@ -13,6 +13,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ eatmydata apt-get install --no-install-recommends -y \ bash \ bc \ + bison \ bsdextrautils \ bzip2 \ ca-certificates \ @@ -22,11 +23,13 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ diffutils \ exuberant-ctags \ findutils \ + flex \ gcovr \ genisoimage \ gettext \ git \ hostname \ + libglib2.0-dev \ libpcre2-dev \ libspice-protocol-dev \ llvm \ diff --git a/tests/docker/dockerfiles/debian-s390x-cross.docker b/tests/doc= ker/dockerfiles/debian-s390x-cross.docker index c0cbe09e66..95585e9e56 100644 --- a/tests/docker/dockerfiles/debian-s390x-cross.docker +++ b/tests/docker/dockerfiles/debian-s390x-cross.docker @@ -13,6 +13,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ eatmydata apt-get install --no-install-recommends -y \ bash \ bc \ + bison \ bsdextrautils \ bzip2 \ ca-certificates \ @@ -22,11 +23,13 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ diffutils \ exuberant-ctags \ findutils \ + flex \ gcovr \ genisoimage \ gettext \ git \ hostname \ + libglib2.0-dev \ libpcre2-dev \ libspice-protocol-dev \ llvm \ diff --git a/tests/docker/dockerfiles/fedora.docker b/tests/docker/dockerfi= les/fedora.docker index b39d311bbc..fe84166ca1 100644 --- a/tests/docker/dockerfiles/fedora.docker +++ b/tests/docker/dockerfiles/fedora.docker @@ -23,6 +23,7 @@ exec "$@"' > /usr/bin/nosync && \ alsa-lib-devel \ bash \ bc \ + bison \ brlapi-devel \ bzip2 \ bzip2-devel \ @@ -37,6 +38,7 @@ exec "$@"' > /usr/bin/nosync && \ device-mapper-multipath-devel \ diffutils \ findutils \ + flex \ fuse3-devel \ gcc \ gcc-c++ \ diff --git a/tests/docker/dockerfiles/opensuse-leap.docker b/tests/docker/d= ockerfiles/opensuse-leap.docker index 047a435ab5..2a4bd98ae1 100644 --- a/tests/docker/dockerfiles/opensuse-leap.docker +++ b/tests/docker/dockerfiles/opensuse-leap.docker @@ -12,6 +12,7 @@ RUN zypper update -y && \ alsa-lib-devel \ bash \ bc \ + bison \ brlapi-devel \ bzip2 \ ca-certificates \ @@ -22,6 +23,7 @@ RUN zypper update -y && \ dbus-1 \ diffutils \ findutils \ + flex \ fuse3-devel \ gcc \ gcc-c++ \ diff --git a/tests/docker/dockerfiles/ubuntu2004.docker b/tests/docker/dock= erfiles/ubuntu2004.docker index 99803b343b..a76ff84598 100644 --- a/tests/docker/dockerfiles/ubuntu2004.docker +++ b/tests/docker/dockerfiles/ubuntu2004.docker @@ -13,6 +13,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ eatmydata apt-get install --no-install-recommends -y \ bash \ bc \ + bison \ bsdmainutils \ bzip2 \ ca-certificates \ @@ -23,6 +24,7 @@ RUN export DEBIAN_FRONTEND=3Dnoninteractive && \ diffutils \ exuberant-ctags \ findutils \ + flex \ g++ \ gcc \ gcovr \ --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1659614892; cv=none; d=zohomail.com; s=zohoarc; b=C8YMIGo1yXf02RLF54T0o+QxOfCqVGM9raEkzkzYPNB/4jWuwLcrQISvkMz844buB2rGbAou4/FIFpm+CCSrlbJo94hz/d/3/1mLSl4Qhetdhvvth+2lJgBEQUAOd5Ir5B3hzQ7Kmff3kbGOZUvCSOzaZPJ/ofW6piq99i+cq78= ARC-Message-Signature: i=1; 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bh=7LOEWiTmfuE0MT7+Ch337l8ZTtjjci+kW9BN3SyJ5EE=; b=Cc2MheaueD0ze/brz8v2h3CwAj 3T4mRxv6NVfCJbtz7GFI3h3NeuvBZSxffDlhgTfc706T6LsRqXXfJ04pe/yB4ee4jumncDo8pSHx9 DtewHav9nQogLmbiMm0GL2dn+Ixql7z7/6zN4NW9lqccR20XEOWQ+kRsvJ5pK9JvlG0E=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 10/15] target/hexagon: manually add flex/bison/glib2 to remaining containers Date: Thu, 4 Aug 2022 13:55:43 +0200 Message-Id: <20220804115548.13024-11-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659614894735100003 Content-Type: text/plain; charset="utf-8" Adds our build-time dependencies to containers which build qemu-hexagon, but aren't covered by libvirt-ci. Signed-off-by: Anton Johansson --- .gitlab-ci.d/windows.yml | 6 ++++-- tests/docker/dockerfiles/debian-riscv64-cross.docker | 3 +++ tests/docker/dockerfiles/debian-tricore-cross.docker | 1 + tests/docker/dockerfiles/debian10.docker | 3 +++ tests/docker/dockerfiles/fedora-i386-cross.docker | 2 ++ tests/docker/dockerfiles/fedora-win32-cross.docker | 3 +++ tests/docker/dockerfiles/fedora-win64-cross.docker | 3 +++ 7 files changed, 19 insertions(+), 2 deletions(-) diff --git a/.gitlab-ci.d/windows.yml b/.gitlab-ci.d/windows.yml index c4bde758be..17dbd35725 100644 --- a/.gitlab-ci.d/windows.yml +++ b/.gitlab-ci.d/windows.yml @@ -33,7 +33,8 @@ msys2-64bit: extends: .shared_msys2_builder script: - .\msys64\usr\bin\bash -lc "pacman -Sy --noconfirm --needed - diffutils git grep make sed + bison diffutils flex + git grep make sed mingw-w64-x86_64-capstone mingw-w64-x86_64-curl mingw-w64-x86_64-cyrus-sasl @@ -68,7 +69,8 @@ msys2-32bit: extends: .shared_msys2_builder script: - .\msys64\usr\bin\bash -lc "pacman -Sy --noconfirm --needed - diffutils git grep make sed + bison diffutils flex + git grep make sed mingw-w64-i686-capstone mingw-w64-i686-curl mingw-w64-i686-cyrus-sasl diff --git a/tests/docker/dockerfiles/debian-riscv64-cross.docker b/tests/d= ocker/dockerfiles/debian-riscv64-cross.docker index 594d97982c..9715791e0b 100644 --- a/tests/docker/dockerfiles/debian-riscv64-cross.docker +++ b/tests/docker/dockerfiles/debian-riscv64-cross.docker @@ -16,13 +16,16 @@ RUN apt update && \ =20 # Install common build utilities RUN DEBIAN_FRONTEND=3Dnoninteractive eatmydata apt install -yy \ + bison \ bc \ build-essential \ ca-certificates \ debian-ports-archive-keyring \ dpkg-dev \ + flex \ gettext \ git \ + libglib2.0-dev \ ninja-build \ pkg-config \ python3 diff --git a/tests/docker/dockerfiles/debian-tricore-cross.docker b/tests/d= ocker/dockerfiles/debian-tricore-cross.docker index b573b9ded2..63f977066c 100644 --- a/tests/docker/dockerfiles/debian-tricore-cross.docker +++ b/tests/docker/dockerfiles/debian-tricore-cross.docker @@ -19,6 +19,7 @@ RUN apt update && \ bison \ bzip2 \ ca-certificates \ + flex \ ccache \ g++ \ gcc \ diff --git a/tests/docker/dockerfiles/debian10.docker b/tests/docker/docker= files/debian10.docker index 03be923066..1fc2fc1ddb 100644 --- a/tests/docker/dockerfiles/debian10.docker +++ b/tests/docker/dockerfiles/debian10.docker @@ -18,15 +18,18 @@ RUN apt update && \ DEBIAN_FRONTEND=3Dnoninteractive eatmydata \ apt install -y --no-install-recommends \ bc \ + bison \ build-essential \ ca-certificates \ ccache \ clang \ dbus \ + flex \ gdb-multiarch \ gettext \ git \ libffi-dev \ + libglib2.0-dev \ libncurses5-dev \ ninja-build \ pkg-config \ diff --git a/tests/docker/dockerfiles/fedora-i386-cross.docker b/tests/dock= er/dockerfiles/fedora-i386-cross.docker index 0a3ec346e6..7eec648d2d 100644 --- a/tests/docker/dockerfiles/fedora-i386-cross.docker +++ b/tests/docker/dockerfiles/fedora-i386-cross.docker @@ -1,9 +1,11 @@ FROM registry.fedoraproject.org/fedora:34 =20 ENV PACKAGES \ + bison \ bzip2 \ ccache \ diffutils \ + flex \ findutils \ gcc \ git \ diff --git a/tests/docker/dockerfiles/fedora-win32-cross.docker b/tests/doc= ker/dockerfiles/fedora-win32-cross.docker index a06bd29e8e..aca37aabc4 100644 --- a/tests/docker/dockerfiles/fedora-win32-cross.docker +++ b/tests/docker/dockerfiles/fedora-win32-cross.docker @@ -3,13 +3,16 @@ FROM registry.fedoraproject.org/fedora:35 # Please keep this list sorted alphabetically ENV PACKAGES \ bc \ + bison \ bzip2 \ ccache \ diffutils \ findutils \ + flex \ gcc \ gettext \ git \ + glib2-devel \ hostname \ make \ meson \ diff --git a/tests/docker/dockerfiles/fedora-win64-cross.docker b/tests/doc= ker/dockerfiles/fedora-win64-cross.docker index b71624330f..3642766479 100644 --- a/tests/docker/dockerfiles/fedora-win64-cross.docker +++ b/tests/docker/dockerfiles/fedora-win64-cross.docker @@ -3,13 +3,16 @@ FROM registry.fedoraproject.org/fedora:35 # Please keep this list sorted alphabetically ENV PACKAGES \ bc \ + bison \ bzip2 \ ccache \ diffutils \ findutils \ + flex \ gcc \ gettext \ git \ + glib2-devel \ hostname \ make \ meson \ --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659615162211100001 Content-Type: text/plain; charset="utf-8" From: Paolo Montesel Signed-off-by: Alessandro Di Federico Signed-off-by: Paolo Montesel Signed-off-by: Anton Johansson Reviewed-by: Taylor Simpson --- target/hexagon/idef-parser/idef-parser.h | 254 +++++++++++ target/hexagon/idef-parser/idef-parser.lex | 471 +++++++++++++++++++++ target/hexagon/meson.build | 6 + 3 files changed, 731 insertions(+) create mode 100644 target/hexagon/idef-parser/idef-parser.h create mode 100644 target/hexagon/idef-parser/idef-parser.lex diff --git a/target/hexagon/idef-parser/idef-parser.h b/target/hexagon/idef= -parser/idef-parser.h new file mode 100644 index 0000000000..3e03f721fa --- /dev/null +++ b/target/hexagon/idef-parser/idef-parser.h @@ -0,0 +1,254 @@ +/* + * Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef IDEF_PARSER_H +#define IDEF_PARSER_H + +#include +#include +#include +#include + +#define TCGV_NAME_SIZE 7 +#define MAX_WRITTEN_REGS 32 +#define OFFSET_STR_LEN 32 +#define ALLOC_LIST_LEN 32 +#define ALLOC_NAME_SIZE 32 +#define INIT_LIST_LEN 32 +#define OUT_BUF_LEN (1024 * 1024) +#define SIGNATURE_BUF_LEN (128 * 1024) +#define HEADER_BUF_LEN (128 * 1024) + +/* Variadic macros to wrap the buffer printing functions */ +#define EMIT(c, ...) = \ + do { = \ + g_string_append_printf((c)->out_str, __VA_ARGS__); = \ + } while (0) + +#define EMIT_SIG(c, ...) = \ + do { = \ + g_string_append_printf((c)->signature_str, __VA_ARGS__); = \ + } while (0) + +#define EMIT_HEAD(c, ...) = \ + do { = \ + g_string_append_printf((c)->header_str, __VA_ARGS__); = \ + } while (0) + +/** + * Type of register, assigned to the HexReg.type field + */ +typedef enum { GENERAL_PURPOSE, CONTROL, MODIFIER, DOTNEW } HexRegType; + +typedef enum { UNKNOWN_SIGNEDNESS, SIGNED, UNSIGNED } HexSignedness; + +/** + * Semantic record of the REG tokens, identifying registers + */ +typedef struct HexReg { + uint8_t id; /**< Identifier of the register = */ + HexRegType type; /**< Type of the register = */ + unsigned bit_width; /**< Bit width of the reg, 32 or 64 bits = */ +} HexReg; + +/** + * Data structure, identifying a TCGv temporary value + */ +typedef struct HexTmp { + unsigned index; /**< Index of the TCGv temporary value = */ +} HexTmp; + +/** + * Enum of the possible immediated, an immediate is a value which is known + * at tinycode generation time, e.g. an integer value, not a TCGv + */ +enum ImmUnionTag { + I, + VARIABLE, + VALUE, + QEMU_TMP, + IMM_PC, + IMM_NPC, + IMM_CONSTEXT, +}; + +/** + * Semantic record of the IMM token, identifying an immediate constant + */ +typedef struct HexImm { + union { + char id; /**< Identifier, used when type is VARIABL= E */ + uint64_t value; /**< Immediate value, used when type is VA= LUE */ + uint64_t index; /**< Index, used when type is QEMU_TMP = */ + }; + enum ImmUnionTag type; /**< Type of the immediate = */ +} HexImm; + +/** + * Semantic record of the PRED token, identifying a predicate + */ +typedef struct HexPred { + char id; /**< Identifier of the predicate = */ +} HexPred; + +/** + * Semantic record of the SAT token, identifying the saturate operator + * Note: All saturates are assumed to implicitly set overflow. + */ +typedef struct HexSat { + HexSignedness signedness; /**< Signedness of the sat. op. = */ +} HexSat; + +/** + * Semantic record of the CAST token, identifying the cast operator + */ +typedef struct HexCast { + unsigned bit_width; /**< Bit width of the cast operator = */ + HexSignedness signedness; /**< Unsigned flag for the cast operator = */ +} HexCast; + +/** + * Semantic record of the EXTRACT token, identifying the cast operator + */ +typedef struct HexExtract { + unsigned bit_width; /**< Bit width of the extract operator = */ + unsigned storage_bit_width; /**< Actual bit width of the extract opera= tor */ + HexSignedness signedness; /**< Unsigned flag for the extract operato= r */ +} HexExtract; + +/** + * Semantic record of the MPY token, identifying the fMPY multiplication + * operator + */ +typedef struct HexMpy { + unsigned first_bit_width; /**< Bit width of 1st operand of fMPY= */ + unsigned second_bit_width; /**< Bit width of 2nd operand of fMPY= */ + HexSignedness first_signedness; /**< Signedness of 1st operand of fMP= Y */ + HexSignedness second_signedness; /**< Signedness of 2nd operand of fMP= Y */ +} HexMpy; + +/** + * Semantic record of the VARID token, identifying declared variables + * of the input language + */ +typedef struct HexVar { + GString *name; /**< Name of the VARID variable = */ +} HexVar; + +/** + * Data structure uniquely identifying a declared VARID variable, used for + * keeping track of declared variable, so that any variable is declared on= ly + * once, and its properties are propagated through all the subsequent inst= ances + * of that variable + */ +typedef struct Var { + GString *name; /**< Name of the VARID variable = */ + uint8_t bit_width; /**< Bit width of the VARID variable = */ + HexSignedness signedness; /**< Unsigned flag for the VARID var = */ +} Var; + +/** + * Enum of the possible rvalue types, used in the HexValue.type field + */ +typedef enum RvalueUnionTag { + REGISTER, REGISTER_ARG, TEMP, IMMEDIATE, PREDICATE, VARID +} RvalueUnionTag; + +/** + * Semantic record of the rvalue token, identifying any numeric value, + * immediate or register based. The rvalue tokens are combined together + * through the use of several operators, to encode expressions + */ +typedef struct HexValue { + union { + HexReg reg; /**< rvalue of register type = */ + HexTmp tmp; /**< rvalue of temporary type = */ + HexImm imm; /**< rvalue of immediate type = */ + HexPred pred; /**< rvalue of predicate type = */ + HexVar var; /**< rvalue of declared variable type = */ + }; + RvalueUnionTag type; /**< Type of the rvalue = */ + unsigned bit_width; /**< Bit width of the rvalue = */ + HexSignedness signedness; /**< Unsigned flag for the rvalue = */ + bool is_dotnew; /**< rvalue of predicate type is dotnew? = */ + bool is_manual; /**< Opt out of automatic freeing of param= s */ +} HexValue; + +/** + * State of ternary operator + */ +typedef enum TernaryState { IN_LEFT, IN_RIGHT } TernaryState; + +/** + * Data structure used to handle side effects inside ternary operators + */ +typedef struct Ternary { + TernaryState state; + HexValue cond; +} Ternary; + +/** + * Operator type, used for referencing the correct operator when calling t= he + * gen_bin_op() function, which in turn will generate the correct code to + * execute the operation between the two rvalues + */ +typedef enum OpType { + ADD_OP, SUB_OP, MUL_OP, ASL_OP, ASR_OP, LSR_OP, ANDB_OP, ORB_OP, + XORB_OP, ANDL_OP, MINI_OP, MAXI_OP +} OpType; + +/** + * Data structure including instruction specific information, to be cleared + * out after the compilation of each instruction + */ +typedef struct Inst { + GString *name; /**< Name of the compiled instruction = */ + char *code_begin; /**< Beginning of instruction input code = */ + char *code_end; /**< End of instruction input code = */ + unsigned tmp_count; /**< Index of the last declared TCGv temp = */ + unsigned qemu_tmp_count; /**< Index of the last declared int temp = */ + unsigned if_count; /**< Index of the last declared if label = */ + unsigned error_count; /**< Number of generated errors = */ + GArray *allocated; /**< Allocated declaredVARID vars = */ + GArray *init_list; /**< List of initialized registers = */ + GArray *strings; /**< Strings allocated by the instruction = */ + bool in_if_branch; /**< True when parsing branch of if statem= ent */ +} Inst; + +/** + * Data structure representing the whole translation context, which in a + * reentrant flex/bison parser just like ours is passed between the scanner + * and the parser, holding all the necessary information to perform the + * parsing, this data structure survives between the compilation of differ= ent + * instructions + */ +typedef struct Context { + void *scanner; /**< Reentrant parser state pointer = */ + char *input_buffer; /**< Buffer containing the input code = */ + GString *out_str; /**< String containing the output code = */ + GString *signature_str; /**< String containing the signatures code= */ + GString *header_str; /**< String containing the header code = */ + FILE *defines_file; /**< FILE * of the generated header = */ + FILE *output_file; /**< FILE * of the C output file = */ + FILE *enabled_file; /**< FILE * of the list of enabled inst = */ + GArray *ternary; /**< Array to track nesting of ternary ops= */ + unsigned total_insn; /**< Number of instructions in input file = */ + unsigned implemented_insn; /**< Instruction compiled without errors = */ + Inst inst; /**< Parsing data of the current inst = */ +} Context; + +#endif /* IDEF_PARSER_H */ diff --git a/target/hexagon/idef-parser/idef-parser.lex b/target/hexagon/id= ef-parser/idef-parser.lex new file mode 100644 index 0000000000..8e7508269e --- /dev/null +++ b/target/hexagon/idef-parser/idef-parser.lex @@ -0,0 +1,471 @@ +%option noyywrap noinput nounput +%option 8bit reentrant bison-bridge +%option warn nodefault +%option bison-locations + +%{ +/* + * Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#include +#include + +#include "hex_regs.h" + +#include "idef-parser.h" +#include "idef-parser.tab.h" + +/* Keep track of scanner position for error message printout */ +#define YY_USER_ACTION yylloc->first_column =3D yylloc->last_column; \ + for (int i =3D 0; yytext[i] !=3D '\0'; i++) { \ + yylloc->last_column++; \ + } + +/* Global Error Counter */ +int error_count; + +%} + +/* Definitions */ +DIGIT [0-9] +LOWER_ID [a-z] +UPPER_ID [A-Z] +ID LOWER_ID|UPPER_ID +INST_NAME [A-Z]+[0-9]_([A-Za-z]|[0-9]|_)+ +HEX_DIGIT [0-9a-fA-F] +REG_ID_32 e|s|d|t|u|v|x|y +REG_ID_64 ee|ss|dd|tt|uu|vv|xx|yy +SYS_ID_32 s|d +SYS_ID_64 ss|dd +PRED_ID d|s|t|u|v|e|x|x +IMM_ID r|s|S|u|U +VAR_ID [a-zA-Z_][a-zA-Z0-9_]* +SIGN_ID s|u +STRING_LIT \"(\\.|[^"\\])*\" + +/* Tokens */ +%% + +[ \t\f\v]+ { /* Ignore whitespaces. */ } +[\n\r]+ { /* Ignore newlines. */ } +^#.*$ { /* Ignore linemarkers. */ } + +{INST_NAME} { yylval->string =3D g_string_new(yytext); + return INAME; } +"fFLOAT" | +"fUNFLOAT" | +"fDOUBLE" | +"fUNDOUBLE" | +"0.0" | +"0x1.0p52" | +"0x1.0p-52" { return FAIL; } +"in" { return IN; } +"R"{REG_ID_32}"V" { + yylval->rvalue.type =3D REGISTER_ARG; + yylval->rvalue.reg.type =3D GENERAL_PURPOSE; + yylval->rvalue.reg.id =3D yytext[1]; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.is_dotnew =3D false; + yylval->rvalue.signedness =3D SIGNED; + return REG; } +"R"{REG_ID_64}"V" { + yylval->rvalue.type =3D REGISTER_ARG; + yylval->rvalue.reg.type =3D GENERAL_PURPOSE; + yylval->rvalue.reg.id =3D yytext[1]; + yylval->rvalue.reg.bit_width =3D 64; + yylval->rvalue.bit_width =3D 64; + yylval->rvalue.is_dotnew =3D false; + yylval->rvalue.signedness =3D SIGNED; + return REG; } +"MuV" { + yylval->rvalue.type =3D REGISTER_ARG; + yylval->rvalue.reg.type =3D MODIFIER; + yylval->rvalue.reg.id =3D 'u'; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D SIGNED; + return REG; } +"C"{REG_ID_32}"V" { + yylval->rvalue.type =3D REGISTER_ARG; + yylval->rvalue.reg.type =3D CONTROL; + yylval->rvalue.reg.id =3D yytext[1]; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.is_dotnew =3D false; + yylval->rvalue.signedness =3D SIGNED; + return REG; } +"C"{REG_ID_64}"V" { + yylval->rvalue.type =3D REGISTER_ARG; + yylval->rvalue.reg.type =3D CONTROL; + yylval->rvalue.reg.id =3D yytext[1]; + yylval->rvalue.reg.bit_width =3D 64; + yylval->rvalue.bit_width =3D 64; + yylval->rvalue.is_dotnew =3D false; + yylval->rvalue.signedness =3D SIGNED; + return REG; } +{IMM_ID}"iV" { + yylval->rvalue.type =3D IMMEDIATE; + yylval->rvalue.signedness =3D SIGNED; + yylval->rvalue.imm.type =3D VARIABLE; + yylval->rvalue.imm.id =3D yytext[0]; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.is_dotnew =3D false; + return IMM; } +"P"{PRED_ID}"V" { + yylval->rvalue.type =3D PREDICATE; + yylval->rvalue.pred.id =3D yytext[1]; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.is_dotnew =3D false; + yylval->rvalue.signedness =3D SIGNED; + return PRED; } +"P"{PRED_ID}"N" { + yylval->rvalue.type =3D PREDICATE; + yylval->rvalue.pred.id =3D yytext[1]; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.is_dotnew =3D true; + yylval->rvalue.signedness =3D SIGNED; + return PRED; } +"IV1DEAD()" | +"fPAUSE(uiV);" { return ';'; } +"+=3D" { return INC; } +"-=3D" { return DEC; } +"++" { return PLUSPLUS; } +"&=3D" { return ANDA; } +"|=3D" { return ORA; } +"^=3D" { return XORA; } +"<<" { return ASL; } +">>" { return ASR; } +">>>" { return LSR; } +"=3D=3D" { return EQ; } +"!=3D" { return NEQ; } +"<=3D" { return LTE; } +">=3D" { return GTE; } +"&&" { return ANDL; } +"else" { return ELSE; } +"for" { return FOR; } +"fREAD_IREG" { return ICIRC; } +"fPART1" { return PART1; } +"if" { return IF; } +"fFRAME_SCRAMBLE" { return FSCR; } +"fFRAME_UNSCRAMBLE" { return FSCR; } +"fFRAMECHECK" { return FCHK; } +"Constant_extended" { return CONSTEXT; } +"fCL1_"{DIGIT} { return LOCNT; } +"fbrev" { return BREV; } +"fSXTN" { return SXT; } +"fZXTN" { return ZXT; } +"fDF_MAX" | +"fSF_MAX" | +"fMAX" { return MAX; } +"fDF_MIN" | +"fSF_MIN" | +"fMIN" { return MIN; } +"fABS" { return ABS; } +"fRNDN" { return ROUND; } +"fCRND" { return CROUND; } +"fCRNDN" { return CROUND; } +"fPM_CIRI" { return CIRCADD; } +"fPM_CIRR" { return CIRCADD; } +"fCOUNTONES_"{DIGIT} { return COUNTONES; } +"fSATN" { yylval->sat.signedness =3D SIGNED; + return SAT; } +"fSATUN" { yylval->sat.signedness =3D UNSIGNED; + return SAT; } +"fCONSTLL" { yylval->cast.bit_width =3D 64; + yylval->cast.signedness =3D SIGNED; + return CAST; } +"fSE32_64" { yylval->cast.bit_width =3D 64; + yylval->cast.signedness =3D SIGNED; + return CAST; } +"fCAST4_4u" { yylval->cast.bit_width =3D 32; + yylval->cast.signedness =3D UNSIGNED; + return CAST; } +"fCAST4_8s" { yylval->cast.bit_width =3D 64; + yylval->cast.signedness =3D SIGNED; + return CAST; } +"fCAST4_8u" { return CAST4_8U; } +"fCAST4u" { yylval->cast.bit_width =3D 32; + yylval->cast.signedness =3D UNSIGNED; + return CAST; } +"fNEWREG" | +"fCAST4_4s" | +"fCAST4s" { yylval->cast.bit_width =3D 32; + yylval->cast.signedness =3D SIGNED; + return CAST; } +"fCAST8_8u" { yylval->cast.bit_width =3D 64; + yylval->cast.signedness =3D UNSIGNED; + return CAST; } +"fCAST8u" { yylval->cast.bit_width =3D 64; + yylval->cast.signedness =3D UNSIGNED; + return CAST; } +"fCAST8_8s" | +"fCAST8s" { yylval->cast.bit_width =3D 64; + yylval->cast.signedness =3D SIGNED; + return CAST; } +"fGETBIT" { yylval->extract.bit_width =3D 1; + yylval->extract.storage_bit_width =3D 1; + yylval->extract.signedness =3D UNSIGNED; + return EXTRACT; } +"fGETBYTE" { yylval->extract.bit_width =3D 8; + yylval->extract.storage_bit_width =3D 8; + yylval->extract.signedness =3D SIGNED; + return EXTRACT; } +"fGETUBYTE" { yylval->extract.bit_width =3D 8; + yylval->extract.storage_bit_width =3D 8; + yylval->extract.signedness =3D UNSIGNED; + return EXTRACT; } +"fGETHALF" { yylval->extract.bit_width =3D 16; + yylval->extract.storage_bit_width =3D 16; + yylval->extract.signedness =3D SIGNED; + return EXTRACT; } +"fGETUHALF" { yylval->extract.bit_width =3D 16; + yylval->extract.storage_bit_width =3D 16; + yylval->extract.signedness =3D UNSIGNED; + return EXTRACT; } +"fGETWORD" { yylval->extract.bit_width =3D 32; + yylval->extract.storage_bit_width =3D 64; + yylval->extract.signedness =3D SIGNED; + return EXTRACT; } +"fGETUWORD" { yylval->extract.bit_width =3D 32; + yylval->extract.storage_bit_width =3D 64; + yylval->extract.signedness =3D UNSIGNED; + return EXTRACT; } +"fEXTRACTU_RANGE" { return EXTRANGE; } +"fSETBIT" { yylval->cast.bit_width =3D 1; + yylval->cast.signedness =3D SIGNED; + return DEPOSIT; } +"fSETBYTE" { yylval->cast.bit_width =3D 8; + yylval->cast.signedness =3D SIGNED; + return DEPOSIT; } +"fSETHALF" { yylval->cast.bit_width =3D 16; + yylval->cast.signedness =3D SIGNED; + return SETHALF; } +"fSETWORD" { yylval->cast.bit_width =3D 32; + yylval->cast.signedness =3D SIGNED; + return DEPOSIT; } +"fINSERT_BITS" { return INSBITS; } +"fSETBITS" { return SETBITS; } +"fMPY16UU" { yylval->mpy.first_bit_width =3D 16; + yylval->mpy.second_bit_width =3D 16; + yylval->mpy.first_signedness =3D UNSIGNED; + yylval->mpy.second_signedness =3D UNSIGNED; + return MPY; } +"fMPY16SU" { yylval->mpy.first_bit_width =3D 16; + yylval->mpy.second_bit_width =3D 16; + yylval->mpy.first_signedness =3D SIGNED; + yylval->mpy.second_signedness =3D UNSIGNED; + return MPY; } +"fMPY16SS" { yylval->mpy.first_bit_width =3D 16; + yylval->mpy.second_bit_width =3D 16; + yylval->mpy.first_signedness =3D SIGNED; + yylval->mpy.second_signedness =3D SIGNED; + return MPY; } +"fMPY32UU" { yylval->mpy.first_bit_width =3D 32; + yylval->mpy.second_bit_width =3D 32; + yylval->mpy.first_signedness =3D UNSIGNED; + yylval->mpy.second_signedness =3D UNSIGNED; + return MPY; } +"fMPY32SU" { yylval->mpy.first_bit_width =3D 32; + yylval->mpy.second_bit_width =3D 32; + yylval->mpy.first_signedness =3D SIGNED; + yylval->mpy.second_signedness =3D UNSIGNED; + return MPY; } +"fSFMPY" | +"fMPY32SS" { yylval->mpy.first_bit_width =3D 32; + yylval->mpy.second_bit_width =3D 32; + yylval->mpy.first_signedness =3D SIGNED; + yylval->mpy.second_signedness =3D SIGNED; + return MPY; } +"fMPY3216SS" { yylval->mpy.first_bit_width =3D 32; + yylval->mpy.second_bit_width =3D 16; + yylval->mpy.first_signedness =3D SIGNED; + yylval->mpy.second_signedness =3D SIGNED; + return MPY; } +"fMPY3216SU" { yylval->mpy.first_bit_width =3D 32; + yylval->mpy.second_bit_width =3D 16; + yylval->mpy.first_signedness =3D SIGNED; + yylval->mpy.second_signedness =3D UNSIGNED; + return MPY; } +"fNEWREG_ST" | +"fIMMEXT" | +"fMUST_IMMEXT" | +"fPASS" | +"fECHO" { return IDENTITY; } +"(size8u_t)" { yylval->cast.bit_width =3D 64; + yylval->cast.signedness =3D UNSIGNED; + return CAST; } +"(unsigned int)" { yylval->cast.bit_width =3D 32; + yylval->cast.signedness =3D UNSIGNED; + return CAST; } +"fREAD_PC()" | +"PC" { return PC; } +"fREAD_NPC()" | +"NPC" { return NPC; } +"fGET_LPCFG" | +"USR.LPCFG" { return LPCFG; } +"LOAD_CANCEL(EA)" | +"STORE_CANCEL(EA)" | +"CANCEL" { return CANCEL; } +"N"{LOWER_ID}"N" { yylval->rvalue.type =3D REGISTER_ARG; + yylval->rvalue.reg.type =3D DOTNEW; + yylval->rvalue.reg.id =3D yytext[1]; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D UNSIGNED; + return REG; } +"fREAD_SP()" | +"SP" { yylval->rvalue.type =3D REGISTER; + yylval->rvalue.reg.type =3D GENERAL_PURPOSE; + yylval->rvalue.reg.id =3D HEX_REG_SP; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D UNSIGNED; + return REG; } +"fREAD_FP()" | +"FP" { yylval->rvalue.type =3D REGISTER; + yylval->rvalue.reg.type =3D GENERAL_PURPOSE; + yylval->rvalue.reg.id =3D HEX_REG_FP; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D UNSIGNED; + return REG; } +"fREAD_LR()" | +"LR" { yylval->rvalue.type =3D REGISTER; + yylval->rvalue.reg.type =3D GENERAL_PURPOSE; + yylval->rvalue.reg.id =3D HEX_REG_LR; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D UNSIGNED; + return REG; } +"fREAD_GP()" | +"GP" { yylval->rvalue.type =3D REGISTER; + yylval->rvalue.reg.type =3D CONTROL; + yylval->rvalue.reg.id =3D HEX_REG_GP; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D UNSIGNED; + return REG; } +"fREAD_LC"[01] { yylval->rvalue.type =3D REGISTER; + yylval->rvalue.reg.type =3D CONTROL; + yylval->rvalue.reg.id =3D HEX_REG_LC0 + + (yytext[8] - '0') * 2; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D UNSIGNED; + return REG; } +"LC"[01] { yylval->rvalue.type =3D REGISTER; + yylval->rvalue.reg.type =3D CONTROL; + yylval->rvalue.reg.id =3D HEX_REG_LC0 + + (yytext[2] - '0') * 2; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D UNSIGNED; + return REG; } +"fREAD_SA"[01] { yylval->rvalue.type =3D REGISTER; + yylval->rvalue.reg.type =3D CONTROL; + yylval->rvalue.reg.id =3D HEX_REG_SA0 + + (yytext[8] - '0') * 2; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D UNSIGNED; + return REG; } +"SA"[01] { yylval->rvalue.type =3D REGISTER; + yylval->rvalue.reg.type =3D CONTROL; + yylval->rvalue.reg.id =3D HEX_REG_SA0 + + (yytext[2] - '0') * 2; + yylval->rvalue.reg.bit_width =3D 32; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D UNSIGNED; + return REG; } +"fREAD_P0()" { yylval->rvalue.type =3D PREDICATE; + yylval->rvalue.pred.id =3D '0'; + yylval->rvalue.bit_width =3D 32; + return PRED; } +[pP]{DIGIT} { yylval->rvalue.type =3D PREDICATE; + yylval->rvalue.pred.id =3D yytext[1]; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.is_dotnew =3D false; + return PRED; } +[pP]{DIGIT}[nN] { yylval->rvalue.type =3D PREDICATE; + yylval->rvalue.pred.id =3D yytext[1]; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.is_dotnew =3D true; + return PRED; } +"fLSBNEW" { return LSBNEW; } +"N" { yylval->rvalue.type =3D IMMEDIATE; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.imm.type =3D VARIABLE; + yylval->rvalue.imm.id =3D 'N'; + return IMM; } +"i" { yylval->rvalue.type =3D IMMEDIATE; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D SIGNED; + yylval->rvalue.imm.type =3D I; + return IMM; } +{SIGN_ID} { if (yytext[0] =3D=3D 'u') { + yylval->signedness =3D UNSIGNED; + } else { + yylval->signedness =3D SIGNED; + } + return SIGN; + } +"0x"{HEX_DIGIT}+ | +{DIGIT}+ { yylval->rvalue.type =3D IMMEDIATE; + yylval->rvalue.bit_width =3D 32; + yylval->rvalue.signedness =3D SIGNED; + yylval->rvalue.imm.type =3D VALUE; + yylval->rvalue.imm.value =3D strtoull(yytext, N= ULL, 0); + return IMM; } +"0x"{HEX_DIGIT}+"ULL" | +{DIGIT}+"ULL" { yylval->rvalue.type =3D IMMEDIATE; + yylval->rvalue.bit_width =3D 64; + yylval->rvalue.signedness =3D UNSIGNED; + yylval->rvalue.imm.type =3D VALUE; + yylval->rvalue.imm.value =3D strtoull(yytext, N= ULL, 0); + return IMM; } +"fLOAD" { return LOAD; } +"fSTORE" { return STORE; } +"fROTL" { return ROTL; } +"fCARRY_FROM_ADD" { return CARRY_FROM_ADD; } +"fADDSAT64" { return ADDSAT64; } +"size"[1248][us]"_t" { /* Handles "size_t" variants of int types */ + const unsigned int bits_per_byte =3D 8; + const unsigned int bytes =3D yytext[4] - '0'; + yylval->rvalue.bit_width =3D bits_per_byte * by= tes; + if (yytext[5] =3D=3D 'u') { + yylval->rvalue.signedness =3D UNSIGNED; + } else { + yylval->rvalue.signedness =3D SIGNED; + } + return TYPE_SIZE_T; } +"unsigned" { return TYPE_UNSIGNED; } +"long" { return TYPE_LONG; } +"int" { return TYPE_INT; } +"const" { /* Emit no token */ } +{VAR_ID} { /* Variable name, we adopt the C names conventi= on */ + yylval->rvalue.type =3D VARID; + yylval->rvalue.var.name =3D g_string_new(yytext= ); + /* Default to an unknown signedness and 0 width= . */ + yylval->rvalue.bit_width =3D 0; + yylval->rvalue.signedness =3D UNKNOWN_SIGNEDNES= S; + return VAR; } +"fatal("{STRING_LIT}")" { /* Emit no token */ } +"fHINTJR(RsV)" { /* Emit no token */ } +. { return yytext[0]; } + +%% diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build index b9bc8a8a12..ceb858bfab 100644 --- a/target/hexagon/meson.build +++ b/target/hexagon/meson.build @@ -197,6 +197,12 @@ if idef_parser_enabled depend_files: [idef_parser_dir / 'macros.inc'], command: [idef_parser_dir / 'prepare', '@INPUT@', '-I' + idef_pars= er_dir, '-o', '@OUTPUT@'], ) + + flex =3D generator( + find_program('flex'), + output: ['@BASENAME@.yy.c', '@BASENAME@.yy.h'], + arguments: ['-o', '@OUTPUT0@', '--header-file=3D@OUTPUT1@', '@INPU= T@'] + ) endif =20 target_arch +=3D {'hexagon': hexagon_ss} --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1659615128459966.6574509303858; Thu, 4 Aug 2022 05:12:08 -0700 (PDT) Received: from localhost ([::1]:35418 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJZhv-0004Kq-8b for importer@patchew.org; Thu, 04 Aug 2022 08:12:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60184) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJZSe-0000tN-0g for qemu-devel@nongnu.org; Thu, 04 Aug 2022 07:56:21 -0400 Received: from rev.ng ([5.9.113.41]:55817) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJZSc-0004bZ-BM for qemu-devel@nongnu.org; Thu, 04 Aug 2022 07:56:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=6HpBnlneMfrQsyXhxxXQafCMkV8GMJKGdP+Ivr9bS90=; b=FzJNLZ8/ioIm9caD9TIJ/2l88a +PZt59csf6yKwZ8qv9Dr90iGzNl1HkIWtDLnbOMQPkWC4v1nslIMkDJNyRxT9zMbzTgNvR6ygtbOA 2wM7yv+jPpC+zbxUX2ttUjDpCHnRwk9/+taHTIIW8KEAGJawIcaKT+/zHO2eyCvw8asY=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 12/15] target/hexagon: prepare frontend for parser Date: Thu, 4 Aug 2022 13:55:45 +0200 Message-Id: <20220804115548.13024-13-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659615130173100001 Content-Type: text/plain; charset="utf-8" This patch adds the necessary changes to the Hexagon frontend, required by idef-parser to deal with a :mem_noshuf packet with a store in slot 1 and predicated load in slot 0. Signed-off-by: Anton Johansson --- target/hexagon/cpu.h | 8 ++++++++ target/hexagon/translate.c | 22 ++++++++++++++++++++++ target/hexagon/translate.h | 2 ++ 3 files changed, 32 insertions(+) diff --git a/target/hexagon/cpu.h b/target/hexagon/cpu.h index 2a65a57bab..1511e5a73e 100644 --- a/target/hexagon/cpu.h +++ b/target/hexagon/cpu.h @@ -107,6 +107,14 @@ typedef struct CPUArchState { target_ulong llsc_val; uint64_t llsc_val_i64; =20 + /* + * Global state which keeps tracks of whether or not a process_store w= as + * actually executed at runtime. Used only for :mem_noshuf packets wit= h a + * pload instruction to execute the process_store at packet commit if = the + * predicated branch is not taken. + */ + target_ulong did_s1_store; + MMVector VRegs[NUM_VREGS] QEMU_ALIGNED(16); MMVector future_VRegs[VECTOR_TEMPS_MAX] QEMU_ALIGNED(16); MMVector tmp_VRegs[VECTOR_TEMPS_MAX] QEMU_ALIGNED(16); diff --git a/target/hexagon/translate.c b/target/hexagon/translate.c index e3e250fd4f..72bf8d591b 100644 --- a/target/hexagon/translate.c +++ b/target/hexagon/translate.c @@ -53,6 +53,7 @@ TCGv hex_QRegs_updated; TCGv hex_vstore_addr[VSTORES_MAX]; TCGv hex_vstore_size[VSTORES_MAX]; TCGv hex_vstore_pending[VSTORES_MAX]; +TCGv hex_did_s1_store; =20 static const char * const hexagon_prednames[] =3D { "p0", "p1", "p2", "p3" @@ -239,6 +240,9 @@ static void gen_start_packet(DisasContext *ctx, Packet = *pkt) tcg_gen_movi_tl(hex_this_PC, ctx->base.pc_next); } =20 + ctx->insn_is_noshuf_pload =3D false; + tcg_gen_movi_tl(hex_did_s1_store, 0); + /* Initialize the runtime state for packet semantics */ if (need_pc(pkt)) { tcg_gen_movi_tl(hex_gpr[HEX_REG_PC], ctx->base.pc_next); @@ -494,6 +498,22 @@ void process_store(DisasContext *ctx, Packet *pkt, int= slot_num) =20 static void process_store_log(DisasContext *ctx, Packet *pkt) { + /* + * Here we deal with the special case of a :mem_noshuf packet with a + * predicated load in slot 0 with a store in slot 1. If the predicated + * branch wasn't taken during packet execution, then store in slot 1 + * will not have been executed, corresponding to hex_did_store_s1 bein= g 0. + * If this is the case, process the store here. + */ + if (ctx->insn_is_noshuf_pload) { + TCGLabel *l =3D gen_new_label(); + /* Reset s1_store_processed so process_store actually emits a stor= e */ + ctx->s1_store_processed =3D false; + tcg_gen_brcondi_tl(TCG_COND_EQ, hex_did_s1_store, 1, l); + process_store(ctx, pkt, 1); + gen_set_label(l); + } + /* * When a packet has two stores, the hardware processes * slot 1 and then slot 0. This will be important when @@ -925,6 +945,8 @@ void hexagon_translate_init(void) offsetof(CPUHexagonState, llsc_val), "llsc_val"); hex_llsc_val_i64 =3D tcg_global_mem_new_i64(cpu_env, offsetof(CPUHexagonState, llsc_val_i64), "llsc_val_i64"); + hex_did_s1_store =3D tcg_global_mem_new(cpu_env, + offsetof(CPUHexagonState, did_s1_store), "did_s1_store"); hex_VRegs_updated =3D tcg_global_mem_new(cpu_env, offsetof(CPUHexagonState, VRegs_updated), "VRegs_updated"); hex_QRegs_updated =3D tcg_global_mem_new(cpu_env, diff --git a/target/hexagon/translate.h b/target/hexagon/translate.h index 494471548e..f340ed8fb6 100644 --- a/target/hexagon/translate.h +++ b/target/hexagon/translate.h @@ -54,6 +54,7 @@ typedef struct DisasContext { int qreg_log_idx; bool pre_commit; uint32_t npc; + bool insn_is_noshuf_pload; } DisasContext; =20 static inline void ctx_log_reg_write(DisasContext *ctx, int rnum) @@ -147,6 +148,7 @@ extern TCGv hex_QRegs_updated; extern TCGv hex_vstore_addr[VSTORES_MAX]; extern TCGv hex_vstore_size[VSTORES_MAX]; extern TCGv hex_vstore_pending[VSTORES_MAX]; +extern TCGv hex_did_s1_store; =20 bool is_gather_store_insn(Insn *insn, Packet *pkt); void process_store(DisasContext *ctx, Packet *pkt, int slot_num); --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1659615623; cv=none; d=zohomail.com; s=zohoarc; b=Pmh012NOnqn83HCTLZpDxwhhJXNUgANjb72TOrq2HaWj2g9Q/Km16V6Sf2zDH46AMLjxxpPPw9Z16x02b2oNW65kZKfWPc3/08TQKfAgkzkcZlQGzNFIFv8fqFqBCrv+ARqfL+NYGsPGyeYUyAyxKvv9lXumwhU7ZIecXvfRBpY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1659615623; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; 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Thu, 04 Aug 2022 07:56:34 -0400 Received: from rev.ng ([5.9.113.41]:43099) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJZSd-0004c0-IH for qemu-devel@nongnu.org; Thu, 04 Aug 2022 07:56:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=u7WhbL7dzrBMozF/Z0YtO263vah4gW1+/GCnwJVsPco=; b=WPrKrQzCgtxWI2XDSM4T0gePkv omiyTxKo0JWJDDwKkHLX9fJrn448OTySEIDA3JKxSIK+Vk29djLcIAlAePeT3rFe610qMZqoTtasZ II3Qao/7dT01/OvpMLtjjIzyCfPIqMgqdsLaWxvhNny6FeABdP7J1NDOy/ToVp2znuPE=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, anjo@rev.ng, babush@rev.ng, nizzo@rev.ng, tsimpson@quicinc.com, bcain@quicinc.com, mlambert@quicinc.com, richard.henderson@linaro.org, alex.bennee@linaro.org Subject: [PATCH v11 13/15] target/hexagon: import parser for idef-parser Date: Thu, 4 Aug 2022 13:55:46 +0200 Message-Id: <20220804115548.13024-14-anjo@rev.ng> In-Reply-To: <20220804115548.13024-1-anjo@rev.ng> References: <20220804115548.13024-1-anjo@rev.ng> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659615624652100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Alessandro Di Federico Signed-off-by: Paolo Montesel Signed-off-by: Anton Johansson Reviewed-by: Taylor Simpson --- target/hexagon/idef-parser/idef-parser.y | 964 ++++++++ target/hexagon/idef-parser/parser-helpers.c | 2351 +++++++++++++++++++ target/hexagon/idef-parser/parser-helpers.h | 372 +++ target/hexagon/meson.build | 29 + 4 files changed, 3716 insertions(+) create mode 100644 target/hexagon/idef-parser/idef-parser.y create mode 100644 target/hexagon/idef-parser/parser-helpers.c create mode 100644 target/hexagon/idef-parser/parser-helpers.h diff --git a/target/hexagon/idef-parser/idef-parser.y b/target/hexagon/idef= -parser/idef-parser.y new file mode 100644 index 0000000000..863c9d90ae --- /dev/null +++ b/target/hexagon/idef-parser/idef-parser.y @@ -0,0 +1,964 @@ +%{ +/* + * Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#include "idef-parser.h" +#include "parser-helpers.h" +#include "idef-parser.tab.h" +#include "idef-parser.yy.h" + +/* Uncomment this to disable yyasserts */ +/* #define NDEBUG */ + +#define ERR_LINE_CONTEXT 40 + +%} + +%lex-param {void *scanner} +%parse-param {void *scanner} +%parse-param {Context *c} + +%define parse.error verbose +%define parse.lac full +%define api.pure full + +%locations + +%union { + GString *string; + HexValue rvalue; + HexSat sat; + HexCast cast; + HexExtract extract; + HexMpy mpy; + HexSignedness signedness; + int index; +} + +/* Tokens */ +%start input + +%expect 1 + +%token IN INAME VAR +%token ABS CROUND ROUND CIRCADD COUNTONES INC DEC ANDA ORA XORA PLUSPLUS A= SL +%token ASR LSR EQ NEQ LTE GTE MIN MAX ANDL FOR ICIRC IF MUN FSCR FCHK SXT +%token ZXT CONSTEXT LOCNT BREV SIGN LOAD STORE PC NPC LPCFG +%token CANCEL IDENTITY PART1 ROTL INSBITS SETBITS EXTRANGE +%token CAST4_8U FAIL CARRY_FROM_ADD ADDSAT64 LSBNEW +%token TYPE_SIZE_T TYPE_INT TYPE_SIGNED TYPE_UNSIGNED TYPE_LONG + +%token REG IMM PRED +%token ELSE +%token MPY +%token SAT +%token CAST DEPOSIT SETHALF +%token EXTRACT +%type INAME +%type rvalue lvalue VAR assign_statement var var_decl var_type +%type FAIL +%type TYPE_SIGNED TYPE_UNSIGNED TYPE_INT TYPE_LONG TYPE_SIZE_T +%type if_stmt IF +%type SIGN + +/* Operator Precedences */ +%left MIN MAX +%left '(' +%left ',' +%left '=3D' +%right CIRCADD +%right INC DEC ANDA ORA XORA +%left '?' ':' +%left ANDL +%left '|' +%left '^' ANDOR +%left '&' +%left EQ NEQ +%left '<' '>' LTE GTE +%left ASL ASR LSR +%right ABS +%left '-' '+' +%left '*' '/' '%' MPY +%right '~' '!' +%left '[' +%right CAST +%right LOCNT BREV + +/* Bison Grammar */ +%% + +/* Input file containing the description of each hexagon instruction */ +input : instructions + { + YYACCEPT; + } + ; + +instructions : instruction instructions + | %empty + ; + +instruction : INAME + { + gen_inst(c, $1); + } + arguments + { + EMIT_SIG(c, ")"); + EMIT_HEAD(c, "{\n"); + } + code + { + gen_inst_code(c, &@1); + } + | error /* Recover gracefully after instruction compilation er= ror */ + { + free_instruction(c); + } + ; + +arguments : '(' ')' + | '(' argument_list ')'; + +argument_list : argument_decl ',' argument_list + | argument_decl + ; + +var : VAR + { + track_string(c, $1.var.name); + $$ =3D $1; + } + ; + +/* + * Here the integer types are defined from valid combinations of + * `signed`, `unsigned`, `int`, and `long` tokens. The `signed` + * and `unsigned` tokens are here assumed to always be placed + * first in the type declaration, which is not the case in + * normal C. Similarly, `int` is assumed to always be placed + * last in the type. + */ +type_int : TYPE_INT + | TYPE_SIGNED + | TYPE_SIGNED TYPE_INT; +type_uint : TYPE_UNSIGNED + | TYPE_UNSIGNED TYPE_INT; +type_ulonglong : TYPE_UNSIGNED TYPE_LONG TYPE_LONG + | TYPE_UNSIGNED TYPE_LONG TYPE_LONG TYPE_INT; + +/* + * Here the various valid int types defined above specify + * their `signedness` and `bit_width`. The LP64 convention + * is assumed where longs are 64-bit, long longs are then + * assumed to also be 64-bit. + */ +var_type : TYPE_SIZE_T + { + yyassert(c, &@1, $1.bit_width <=3D 64, + "Variables with size > 64-bit are not supported!"); + $$ =3D $1; + } + | type_int + { + $$.signedness =3D SIGNED; + $$.bit_width =3D 32; + } + | type_uint + { + $$.signedness =3D UNSIGNED; + $$.bit_width =3D 32; + } + | type_ulonglong + { + $$.signedness =3D UNSIGNED; + $$.bit_width =3D 64; + } + ; + +/* Rule to capture declarations of VARs */ +var_decl : var_type IMM + { + /* + * Rule to capture "int i;" declarations since "i" is special + * and assumed to be always be IMM. Moreover, "i" is only + * assumed to be used in for-loops. + * + * Therefore we want to NOP these declarations. + */ + yyassert(c, &@2, $2.imm.type =3D=3D I, + "Variable declaration with immedaties only allowed" + " for the loop induction variable \"i\""); + $$ =3D $2; + } + | var_type var + { + /* + * Allocate new variable, this checks that it hasn't already + * been declared. + */ + gen_varid_allocate(c, &@1, &$2, $1.bit_width, $1.signedness); + /* Copy var for variable name */ + $$ =3D $2; + /* Copy type info from var_type */ + $$.signedness =3D $1.signedness; + $$.bit_width =3D $1.bit_width; + } + ; + +/* Return the modified registers list */ +code : '{' statements '}' + { + c->inst.code_begin =3D c->input_buffer + @2.first_column - 1; + c->inst.code_end =3D c->input_buffer + @2.last_column - 1; + } + | '{' + { + /* Nop */ + } + '}' + ; + +argument_decl : REG + { + emit_arg(c, &@1, &$1); + /* Enqueue register into initialization list */ + g_array_append_val(c->inst.init_list, $1); + } + | PRED + { + emit_arg(c, &@1, &$1); + /* Enqueue predicate into initialization list */ + g_array_append_val(c->inst.init_list, $1); + } + | IN REG + { + emit_arg(c, &@2, &$2); + } + | IN PRED + { + emit_arg(c, &@2, &$2); + } + | IMM + { + EMIT_SIG(c, ", int %ciV", $1.imm.id); + } + ; + +code_block : '{' statements '}' + | '{' '}' + ; + +/* A list of one or more statements */ +statements : statements statement + | statement + ; + +/* Statements can be assignment (rvalue ';'), control or memory statements= */ +statement : control_statement + | var_decl ';' + | rvalue ';' + { + gen_rvalue_free(c, &@1, &$1); + } + | code_block + | ';' + ; + +assign_statement : lvalue '=3D' rvalue + { + @1.last_column =3D @3.last_column; + gen_assign(c, &@1, &$1, &$3); + $$ =3D $1; + } + | var_decl '=3D' rvalue + { + @1.last_column =3D @3.last_column; + gen_assign(c, &@1, &$1, &$3); + $$ =3D $1; + } + | lvalue INC rvalue + { + @1.last_column =3D @3.last_column; + HexValue tmp =3D gen_bin_op(c, &@1, ADD_OP, &$1, &$= 3); + gen_assign(c, &@1, &$1, &tmp); + $$ =3D $1; + } + | lvalue DEC rvalue + { + @1.last_column =3D @3.last_column; + HexValue tmp =3D gen_bin_op(c, &@1, SUB_OP, &$1, &$= 3); + gen_assign(c, &@1, &$1, &tmp); + $$ =3D $1; + } + | lvalue ANDA rvalue + { + @1.last_column =3D @3.last_column; + HexValue tmp =3D gen_bin_op(c, &@1, ANDB_OP, &$1, &= $3); + gen_assign(c, &@1, &$1, &tmp); + $$ =3D $1; + } + | lvalue ORA rvalue + { + @1.last_column =3D @3.last_column; + HexValue tmp =3D gen_bin_op(c, &@1, ORB_OP, &$1, &$= 3); + gen_assign(c, &@1, &$1, &tmp); + $$ =3D $1; + } + | lvalue XORA rvalue + { + @1.last_column =3D @3.last_column; + HexValue tmp =3D gen_bin_op(c, &@1, XORB_OP, &$1, &= $3); + gen_assign(c, &@1, &$1, &tmp); + $$ =3D $1; + } + | PRED '=3D' rvalue + { + @1.last_column =3D @3.last_column; + gen_pred_assign(c, &@1, &$1, &$3); + } + | IMM '=3D' rvalue + { + @1.last_column =3D @3.last_column; + yyassert(c, &@1, $3.type =3D=3D IMMEDIATE, + "Cannot assign non-immediate to immediate!= "); + yyassert(c, &@1, $1.imm.type =3D=3D VARIABLE, + "Cannot assign to non-variable!"); + /* Assign to the function argument */ + OUT(c, &@1, &$1, " =3D ", &$3, ";\n"); + $$ =3D $1; + } + | PC '=3D' rvalue + { + @1.last_column =3D @3.last_column; + yyassert(c, &@1, !is_inside_ternary(c), + "Assignment side-effect not modeled!"); + $3 =3D gen_rvalue_truncate(c, &@1, &$3); + $3 =3D rvalue_materialize(c, &@1, &$3); + OUT(c, &@1, "gen_write_new_pc(", &$3, ");\n"); + gen_rvalue_free(c, &@1, &$3); /* Free temporary val= ue */ + } + | LOAD '(' IMM ',' IMM ',' SIGN ',' var ',' lvalue ')' + { + @1.last_column =3D @12.last_column; + yyassert(c, &@1, !is_inside_ternary(c), + "Assignment side-effect not modeled!"); + yyassert(c, &@1, $3.imm.value =3D=3D 1, + "LOAD of arrays not supported!"); + gen_load(c, &@1, &$5, $7, &$9, &$11); + } + | STORE '(' IMM ',' IMM ',' var ',' rvalue ')' + /* Store primitive */ + { + @1.last_column =3D @10.last_column; + yyassert(c, &@1, !is_inside_ternary(c), + "Assignment side-effect not modeled!"); + yyassert(c, &@1, $3.imm.value =3D=3D 1, + "STORE of arrays not supported!"); + gen_store(c, &@1, &$5, &$7, &$9); + } + | LPCFG '=3D' rvalue + { + @1.last_column =3D @3.last_column; + yyassert(c, &@1, !is_inside_ternary(c), + "Assignment side-effect not modeled!"); + $3 =3D gen_rvalue_truncate(c, &@1, &$3); + $3 =3D rvalue_materialize(c, &@1, &$3); + OUT(c, &@1, "SET_USR_FIELD(USR_LPCFG, ", &$3, ");\n= "); + gen_rvalue_free(c, &@1, &$3); + } + | DEPOSIT '(' rvalue ',' rvalue ',' rvalue ')' + { + @1.last_column =3D @8.last_column; + yyassert(c, &@1, !is_inside_ternary(c), + "Assignment side-effect not modeled!"); + gen_deposit_op(c, &@1, &$5, &$7, &$3, &$1); + } + | SETHALF '(' rvalue ',' lvalue ',' rvalue ')' + { + @1.last_column =3D @8.last_column; + yyassert(c, &@1, !is_inside_ternary(c), + "Assignment side-effect not modeled!"); + gen_sethalf(c, &@1, &$1, &$3, &$5, &$7); + } + | SETBITS '(' rvalue ',' rvalue ',' rvalue ',' rvalue ')' + { + @1.last_column =3D @10.last_column; + yyassert(c, &@1, !is_inside_ternary(c), + "Assignment side-effect not modeled!"); + gen_setbits(c, &@1, &$3, &$5, &$7, &$9); + } + | INSBITS '(' lvalue ',' rvalue ',' rvalue ',' rvalue ')' + { + @1.last_column =3D @10.last_column; + yyassert(c, &@1, !is_inside_ternary(c), + "Assignment side-effect not modeled!"); + gen_rdeposit_op(c, &@1, &$3, &$9, &$7, &$5); + } + | IDENTITY '(' rvalue ')' + { + @1.last_column =3D @4.last_column; + $$ =3D $3; + } + ; + +control_statement : frame_check + | cancel_statement + | if_statement + | for_statement + | fpart1_statement + ; + +frame_check : FCHK '(' rvalue ',' rvalue ')' ';' + { + gen_rvalue_free(c, &@1, &$3); + gen_rvalue_free(c, &@1, &$5); + } + ; + +cancel_statement : CANCEL + { + OUT(c, &@1, "gen_cancel(insn->slot);\n"); + } + ; + +if_statement : if_stmt + { + /* Fix else label */ + OUT(c, &@1, "gen_set_label(if_label_", &$1, ");\n"); + c->inst.in_if_branch =3D false; + } + | if_stmt ELSE + { + @1.last_column =3D @2.last_column; + $2 =3D gen_if_else(c, &@1, $1); + } + statement + { + OUT(c, &@1, "gen_set_label(if_label_", &$2, ");\n"); + c->inst.in_if_branch =3D false; + } + ; + +for_statement : FOR '(' IMM '=3D' IMM ';' IMM '<' IMM ';' IMM PLUSPLUS ')' + { + yyassert(c, &@3, + $3.imm.type =3D=3D I && + $7.imm.type =3D=3D I && + $11.imm.type =3D=3D I, + "Loop induction variable must be \"i\""); + @1.last_column =3D @13.last_column; + OUT(c, &@1, "for (int ", &$3, " =3D ", &$5, "; ", + &$7, " < ", &$9); + OUT(c, &@1, "; ", &$11, "++) {\n"); + } + code_block + { + OUT(c, &@1, "}\n"); + } + ; + +fpart1_statement : PART1 + { + OUT(c, &@1, "if (insn->part1) {\n"); + } + '(' statements ')' + { + @1.last_column =3D @3.last_column; + OUT(c, &@1, "return; }\n"); + } + ; + +if_stmt : IF '(' rvalue ')' + { + @1.last_column =3D @3.last_column; + $1 =3D gen_if_cond(c, &@1, &$3); + c->inst.in_if_branch =3D true; + } + statement + { + $$ =3D $1; + } + ; + +rvalue : FAIL + { + yyassert(c, &@1, false, "Encountered a FAIL token as rvalue.\= n"); + } + | assign_statement + | REG + { + $$ =3D $1; + } + | IMM + { + $$ =3D $1; + } + | PRED + { + $$ =3D gen_rvalue_pred(c, &@1, &$1); + } + | PC + { + /* Read PC from the CR */ + HexValue rvalue; + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D IMMEDIATE; + rvalue.imm.type =3D IMM_PC; + rvalue.bit_width =3D 32; + rvalue.signedness =3D UNSIGNED; + $$ =3D rvalue; + } + | NPC + { + /* + * NPC is only read from CALLs, so we can hardcode it + * at translation time + */ + HexValue rvalue; + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D IMMEDIATE; + rvalue.imm.type =3D IMM_NPC; + rvalue.bit_width =3D 32; + rvalue.signedness =3D UNSIGNED; + $$ =3D rvalue; + } + | CONSTEXT + { + HexValue rvalue; + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D IMMEDIATE; + rvalue.imm.type =3D IMM_CONSTEXT; + rvalue.signedness =3D UNSIGNED; + rvalue.is_dotnew =3D false; + rvalue.is_manual =3D false; + $$ =3D rvalue; + } + | var + { + $$ =3D gen_rvalue_var(c, &@1, &$1); + } + | MPY '(' rvalue ',' rvalue ')' + { + @1.last_column =3D @6.last_column; + $$ =3D gen_rvalue_mpy(c, &@1, &$1, &$3, &$5); + } + | rvalue '+' rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, ADD_OP, &$1, &$3); + } + | rvalue '-' rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, SUB_OP, &$1, &$3); + } + | rvalue '*' rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, MUL_OP, &$1, &$3); + } + | rvalue ASL rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, ASL_OP, &$1, &$3); + } + | rvalue ASR rvalue + { + @1.last_column =3D @3.last_column; + assert_signedness(c, &@1, $1.signedness); + if ($1.signedness =3D=3D UNSIGNED) { + $$ =3D gen_bin_op(c, &@1, LSR_OP, &$1, &$3); + } else if ($1.signedness =3D=3D SIGNED) { + $$ =3D gen_bin_op(c, &@1, ASR_OP, &$1, &$3); + } + } + | rvalue LSR rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, LSR_OP, &$1, &$3); + } + | rvalue '&' rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, ANDB_OP, &$1, &$3); + } + | rvalue '|' rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, ORB_OP, &$1, &$3); + } + | rvalue '^' rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, XORB_OP, &$1, &$3); + } + | rvalue ANDL rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, ANDL_OP, &$1, &$3); + } + | MIN '(' rvalue ',' rvalue ')' + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, MINI_OP, &$3, &$5); + } + | MAX '(' rvalue ',' rvalue ')' + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_op(c, &@1, MAXI_OP, &$3, &$5); + } + | '~' rvalue + { + @1.last_column =3D @2.last_column; + $$ =3D gen_rvalue_not(c, &@1, &$2); + } + | '!' rvalue + { + @1.last_column =3D @2.last_column; + $$ =3D gen_rvalue_notl(c, &@1, &$2); + } + | SAT '(' IMM ',' rvalue ')' + { + @1.last_column =3D @6.last_column; + $$ =3D gen_rvalue_sat(c, &@1, &$1, &$3, &$5); + } + | CAST rvalue + { + @1.last_column =3D @2.last_column; + /* Assign target signedness */ + $2.signedness =3D $1.signedness; + $$ =3D gen_cast_op(c, &@1, &$2, $1.bit_width, $1.signedness); + } + | rvalue EQ rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_EQ, &$1, &$3); + } + | rvalue NEQ rvalue + { + @1.last_column =3D @3.last_column; + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_NE, &$1, &$3); + } + | rvalue '<' rvalue + { + @1.last_column =3D @3.last_column; + + assert_signedness(c, &@1, $1.signedness); + assert_signedness(c, &@1, $3.signedness); + if ($1.signedness =3D=3D UNSIGNED || $3.signedness =3D=3D UNS= IGNED) { + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_LTU, &$1, &$3); + } else { + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_LT, &$1, &$3); + } + } + | rvalue '>' rvalue + { + @1.last_column =3D @3.last_column; + + assert_signedness(c, &@1, $1.signedness); + assert_signedness(c, &@1, $3.signedness); + if ($1.signedness =3D=3D UNSIGNED || $3.signedness =3D=3D UNS= IGNED) { + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_GTU, &$1, &$3); + } else { + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_GT, &$1, &$3); + } + } + | rvalue LTE rvalue + { + @1.last_column =3D @3.last_column; + + assert_signedness(c, &@1, $1.signedness); + assert_signedness(c, &@1, $3.signedness); + if ($1.signedness =3D=3D UNSIGNED || $3.signedness =3D=3D UNS= IGNED) { + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_LEU, &$1, &$3); + } else { + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_LE, &$1, &$3); + } + } + | rvalue GTE rvalue + { + @1.last_column =3D @3.last_column; + + assert_signedness(c, &@1, $1.signedness); + assert_signedness(c, &@1, $3.signedness); + if ($1.signedness =3D=3D UNSIGNED || $3.signedness =3D=3D UNS= IGNED) { + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_GEU, &$1, &$3); + } else { + $$ =3D gen_bin_cmp(c, &@1, TCG_COND_GE, &$1, &$3); + } + } + | rvalue '?' + { + $1.is_manual =3D true; + Ternary t =3D { 0 }; + t.state =3D IN_LEFT; + t.cond =3D $1; + g_array_append_val(c->ternary, t); + } + rvalue ':' + { + Ternary *t =3D &g_array_index(c->ternary, Ternary, + c->ternary->len - 1); + t->state =3D IN_RIGHT; + } + rvalue + { + @1.last_column =3D @5.last_column; + $$ =3D gen_rvalue_ternary(c, &@1, &$1, &$4, &$7); + } + | FSCR '(' rvalue ')' + { + @1.last_column =3D @4.last_column; + $$ =3D gen_rvalue_fscr(c, &@1, &$3); + } + | SXT '(' rvalue ',' IMM ',' rvalue ')' + { + @1.last_column =3D @8.last_column; + yyassert(c, &@1, $5.type =3D=3D IMMEDIATE && + $5.imm.type =3D=3D VALUE, + "SXT expects immediate values\n"); + $$ =3D gen_extend_op(c, &@1, &$3, $5.imm.value, &$7, SIGNED); + } + | ZXT '(' rvalue ',' IMM ',' rvalue ')' + { + @1.last_column =3D @8.last_column; + yyassert(c, &@1, $5.type =3D=3D IMMEDIATE && + $5.imm.type =3D=3D VALUE, + "ZXT expects immediate values\n"); + $$ =3D gen_extend_op(c, &@1, &$3, $5.imm.value, &$7, UNSIGNED= ); + } + | '(' rvalue ')' + { + $$ =3D $2; + } + | ABS rvalue + { + @1.last_column =3D @2.last_column; + $$ =3D gen_rvalue_abs(c, &@1, &$2); + } + | CROUND '(' rvalue ',' rvalue ')' + { + @1.last_column =3D @6.last_column; + $$ =3D gen_convround_n(c, &@1, &$3, &$5); + } + | CROUND '(' rvalue ')' + { + @1.last_column =3D @4.last_column; + $$ =3D gen_convround(c, &@1, &$3); + } + | ROUND '(' rvalue ',' rvalue ')' + { + @1.last_column =3D @6.last_column; + $$ =3D gen_round(c, &@1, &$3, &$5); + } + | '-' rvalue + { + @1.last_column =3D @2.last_column; + $$ =3D gen_rvalue_neg(c, &@1, &$2); + } + | ICIRC '(' rvalue ')' ASL IMM + { + @1.last_column =3D @6.last_column; + $$ =3D gen_tmp(c, &@1, 32, UNSIGNED); + OUT(c, &@1, "gen_read_ireg(", &$$, ", ", &$3, ", ", &$6, ");\= n"); + gen_rvalue_free(c, &@1, &$3); + } + | CIRCADD '(' rvalue ',' rvalue ',' rvalue ')' + { + @1.last_column =3D @8.last_column; + gen_circ_op(c, &@1, &$3, &$5, &$7); + } + | LOCNT '(' rvalue ')' + { + @1.last_column =3D @4.last_column; + /* Leading ones count */ + $$ =3D gen_locnt_op(c, &@1, &$3); + } + | COUNTONES '(' rvalue ')' + { + @1.last_column =3D @4.last_column; + /* Ones count */ + $$ =3D gen_ctpop_op(c, &@1, &$3); + } + | LPCFG + { + $$ =3D gen_tmp_value(c, &@1, "0", 32, UNSIGNED); + OUT(c, &@1, "GET_USR_FIELD(USR_LPCFG, ", &$$, ");\n"); + } + | EXTRACT '(' rvalue ',' rvalue ')' + { + @1.last_column =3D @6.last_column; + $$ =3D gen_extract_op(c, &@1, &$5, &$3, &$1); + } + | EXTRANGE '(' rvalue ',' rvalue ',' rvalue ')' + { + @1.last_column =3D @8.last_column; + yyassert(c, &@1, $5.type =3D=3D IMMEDIATE && + $5.imm.type =3D=3D VALUE && + $7.type =3D=3D IMMEDIATE && + $7.imm.type =3D=3D VALUE, + "Range extract needs immediate values!\n"); + $$ =3D gen_rextract_op(c, + &@1, + &$3, + $7.imm.value, + $5.imm.value - $7.imm.value + 1); + } + | CAST4_8U '(' rvalue ')' + { + @1.last_column =3D @4.last_column; + $$ =3D gen_rvalue_truncate(c, &@1, &$3); + $$.signedness =3D UNSIGNED; + $$ =3D rvalue_materialize(c, &@1, &$$); + $$ =3D gen_rvalue_extend(c, &@1, &$$); + } + | BREV '(' rvalue ')' + { + @1.last_column =3D @4.last_column; + $$ =3D gen_rvalue_brev(c, &@1, &$3); + } + | ROTL '(' rvalue ',' rvalue ')' + { + @1.last_column =3D @6.last_column; + $$ =3D gen_rotl(c, &@1, &$3, &$5); + } + | ADDSAT64 '(' rvalue ',' rvalue ',' rvalue ')' + { + @1.last_column =3D @8.last_column; + gen_addsat64(c, &@1, &$3, &$5, &$7); + } + | CARRY_FROM_ADD '(' rvalue ',' rvalue ',' rvalue ')' + { + @1.last_column =3D @8.last_column; + $$ =3D gen_carry_from_add(c, &@1, &$3, &$5, &$7); + } + | LSBNEW '(' rvalue ')' + { + @1.last_column =3D @4.last_column; + HexValue one =3D gen_imm_value(c, &@1, 1, 32, UNSIGNED); + $$ =3D gen_bin_op(c, &@1, ANDB_OP, &$3, &one); + } + ; + +lvalue : FAIL + { + @1.last_column =3D @1.last_column; + yyassert(c, &@1, false, "Encountered a FAIL token as lvalue.\= n"); + } + | REG + { + $$ =3D $1; + } + | var + { + $$ =3D $1; + } + ; + +%% + +int main(int argc, char **argv) +{ + if (argc !=3D 5) { + fprintf(stderr, + "Semantics: Hexagon ISA to tinycode generator compiler\n\n= "); + fprintf(stderr, + "Usage: ./semantics IDEFS EMITTER_C EMITTER_H " + "ENABLED_INSTRUCTIONS_LIST\n"); + return 1; + } + + enum { + ARG_INDEX_ARGV0 =3D 0, + ARG_INDEX_IDEFS, + ARG_INDEX_EMITTER_C, + ARG_INDEX_EMITTER_H, + ARG_INDEX_ENABLED_INSTRUCTIONS_LIST + }; + + FILE *enabled_file =3D fopen(argv[ARG_INDEX_ENABLED_INSTRUCTIONS_LIST]= , "w"); + + FILE *output_file =3D fopen(argv[ARG_INDEX_EMITTER_C], "w"); + fputs("#include \"qemu/osdep.h\"\n", output_file); + fputs("#include \"qemu/log.h\"\n", output_file); + fputs("#include \"cpu.h\"\n", output_file); + fputs("#include \"internal.h\"\n", output_file); + fputs("#include \"tcg/tcg-op.h\"\n", output_file); + fputs("#include \"insn.h\"\n", output_file); + fputs("#include \"opcodes.h\"\n", output_file); + fputs("#include \"translate.h\"\n", output_file); + fputs("#define QEMU_GENERATE\n", output_file); + fputs("#include \"genptr.h\"\n", output_file); + fputs("#include \"tcg/tcg.h\"\n", output_file); + fputs("#include \"macros.h\"\n", output_file); + fprintf(output_file, "#include \"%s\"\n", argv[ARG_INDEX_EMITTER_H]); + + FILE *defines_file =3D fopen(argv[ARG_INDEX_EMITTER_H], "w"); + assert(defines_file !=3D NULL); + fputs("#ifndef HEX_EMITTER_H\n", defines_file); + fputs("#define HEX_EMITTER_H\n", defines_file); + fputs("\n", defines_file); + fputs("#include \"insn.h\"\n\n", defines_file); + + /* Parser input file */ + Context context =3D { 0 }; + context.defines_file =3D defines_file; + context.output_file =3D output_file; + context.enabled_file =3D enabled_file; + /* Initialize buffers */ + context.out_str =3D g_string_new(NULL); + context.signature_str =3D g_string_new(NULL); + context.header_str =3D g_string_new(NULL); + context.ternary =3D g_array_new(FALSE, TRUE, sizeof(Ternary)); + /* Read input file */ + FILE *input_file =3D fopen(argv[ARG_INDEX_IDEFS], "r"); + fseek(input_file, 0L, SEEK_END); + long input_size =3D ftell(input_file); + context.input_buffer =3D (char *) calloc(input_size + 1, sizeof(char)); + fseek(input_file, 0L, SEEK_SET); + size_t read_chars =3D fread(context.input_buffer, + sizeof(char), + input_size, + input_file); + if (read_chars !=3D (size_t) input_size) { + fprintf(stderr, "Error: an error occurred while reading input file= !\n"); + return -1; + } + yylex_init(&context.scanner); + YY_BUFFER_STATE buffer; + buffer =3D yy_scan_string(context.input_buffer, context.scanner); + /* Start the parsing procedure */ + yyparse(context.scanner, &context); + if (context.implemented_insn !=3D context.total_insn) { + fprintf(stderr, + "Warning: %d/%d meta instructions have been implemented!\n= ", + context.implemented_insn, + context.total_insn); + } + fputs("#endif " START_COMMENT " HEX_EMITTER_h " END_COMMENT "\n", + defines_file); + /* Cleanup */ + yy_delete_buffer(buffer, context.scanner); + yylex_destroy(context.scanner); + free(context.input_buffer); + g_string_free(context.out_str, TRUE); + g_string_free(context.signature_str, TRUE); + g_string_free(context.header_str, TRUE); + g_array_free(context.ternary, TRUE); + fclose(output_file); + fclose(input_file); + fclose(defines_file); + fclose(enabled_file); + + return 0; +} diff --git a/target/hexagon/idef-parser/parser-helpers.c b/target/hexagon/i= def-parser/parser-helpers.c new file mode 100644 index 0000000000..40bf2d99d4 --- /dev/null +++ b/target/hexagon/idef-parser/parser-helpers.c @@ -0,0 +1,2351 @@ +/* + * Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "idef-parser.h" +#include "parser-helpers.h" +#include "idef-parser.tab.h" +#include "idef-parser.yy.h" + +void yyerror(YYLTYPE *locp, + yyscan_t scanner __attribute__((unused)), + Context *c, + const char *s) +{ + const char *code_ptr =3D c->input_buffer; + + fprintf(stderr, "WARNING (%s): '%s'\n", c->inst.name->str, s); + + fprintf(stderr, "Problematic range: "); + for (int i =3D locp->first_column; i < locp->last_column; i++) { + if (code_ptr[i] !=3D '\n') { + fprintf(stderr, "%c", code_ptr[i]); + } + } + fprintf(stderr, "\n"); + + for (unsigned i =3D 0; + i < 80 && + code_ptr[locp->first_column - 10 + i] !=3D '\0' && + code_ptr[locp->first_column - 10 + i] !=3D '\n'; + i++) { + fprintf(stderr, "%c", code_ptr[locp->first_column - 10 + i]); + } + fprintf(stderr, "\n"); + for (unsigned i =3D 0; i < 9; i++) { + fprintf(stderr, " "); + } + fprintf(stderr, "^"); + for (int i =3D 0; i < (locp->last_column - locp->first_column) - 1; i+= +) { + fprintf(stderr, "~"); + } + fprintf(stderr, "\n"); + c->inst.error_count++; +} + +bool is_direct_predicate(HexValue *value) +{ + return value->pred.id >=3D '0' && value->pred.id <=3D '3'; +} + +bool is_inside_ternary(Context *c) +{ + return c->ternary->len > 0; +} + +/* Print functions */ +void str_print(Context *c, YYLTYPE *locp, const char *string) +{ + (void) locp; + EMIT(c, "%s", string); +} + +void uint8_print(Context *c, YYLTYPE *locp, uint8_t *num) +{ + (void) locp; + EMIT(c, "%u", *num); +} + +void uint64_print(Context *c, YYLTYPE *locp, uint64_t *num) +{ + (void) locp; + EMIT(c, "%" PRIu64, *num); +} + +void int_print(Context *c, YYLTYPE *locp, int *num) +{ + (void) locp; + EMIT(c, "%d", *num); +} + +void uint_print(Context *c, YYLTYPE *locp, unsigned *num) +{ + (void) locp; + EMIT(c, "%u", *num); +} + +void tmp_print(Context *c, YYLTYPE *locp, HexTmp *tmp) +{ + (void) locp; + EMIT(c, "tmp_%d", tmp->index); +} + +void pred_print(Context *c, YYLTYPE *locp, HexPred *pred, bool is_dotnew) +{ + (void) locp; + char suffix =3D is_dotnew ? 'N' : 'V'; + EMIT(c, "P%c%c", pred->id, suffix); +} + +void reg_compose(Context *c, YYLTYPE *locp, HexReg *reg, char reg_id[5]) +{ + memset(reg_id, 0, 5 * sizeof(char)); + switch (reg->type) { + case GENERAL_PURPOSE: + reg_id[0] =3D 'R'; + break; + case CONTROL: + reg_id[0] =3D 'C'; + break; + case MODIFIER: + reg_id[0] =3D 'M'; + break; + case DOTNEW: + reg_id[0] =3D 'N'; + reg_id[1] =3D reg->id; + reg_id[2] =3D 'N'; + return; + } + switch (reg->bit_width) { + case 32: + reg_id[1] =3D reg->id; + reg_id[2] =3D 'V'; + break; + case 64: + reg_id[1] =3D reg->id; + reg_id[2] =3D reg->id; + reg_id[3] =3D 'V'; + break; + default: + yyassert(c, locp, false, "Unhandled register bit width!\n"); + } +} + +static void reg_arg_print(Context *c, YYLTYPE *locp, HexReg *reg) +{ + char reg_id[5]; + reg_compose(c, locp, reg, reg_id); + EMIT(c, "%s", reg_id); +} + +void reg_print(Context *c, YYLTYPE *locp, HexReg *reg) +{ + (void) locp; + EMIT(c, "hex_gpr[%u]", reg->id); +} + +void imm_print(Context *c, YYLTYPE *locp, HexImm *imm) +{ + switch (imm->type) { + case I: + EMIT(c, "i"); + break; + case VARIABLE: + EMIT(c, "%ciV", imm->id); + break; + case VALUE: + EMIT(c, "((int64_t) %" PRIu64 "ULL)", (int64_t) imm->value); + break; + case QEMU_TMP: + EMIT(c, "qemu_tmp_%" PRIu64, imm->index); + break; + case IMM_PC: + EMIT(c, "ctx->base.pc_next"); + break; + case IMM_NPC: + EMIT(c, "ctx->npc"); + break; + case IMM_CONSTEXT: + EMIT(c, "insn->extension_valid"); + break; + default: + yyassert(c, locp, false, "Cannot print this expression!"); + } +} + +void var_print(Context *c, YYLTYPE *locp, HexVar *var) +{ + (void) locp; + EMIT(c, "%s", var->name->str); +} + +void rvalue_print(Context *c, YYLTYPE *locp, void *pointer) +{ + HexValue *rvalue =3D (HexValue *) pointer; + switch (rvalue->type) { + case REGISTER: + reg_print(c, locp, &rvalue->reg); + break; + case REGISTER_ARG: + reg_arg_print(c, locp, &rvalue->reg); + break; + case TEMP: + tmp_print(c, locp, &rvalue->tmp); + break; + case IMMEDIATE: + imm_print(c, locp, &rvalue->imm); + break; + case VARID: + var_print(c, locp, &rvalue->var); + break; + case PREDICATE: + pred_print(c, locp, &rvalue->pred, rvalue->is_dotnew); + break; + default: + yyassert(c, locp, false, "Cannot print this expression!"); + } +} + +void out_assert(Context *c, YYLTYPE *locp, + void *dummy __attribute__((unused))) +{ + abort(); + yyassert(c, locp, false, "Unhandled print type!"); +} + +/* Copy output code buffer */ +void commit(Context *c) +{ + /* Emit instruction pseudocode */ + EMIT_SIG(c, "\n" START_COMMENT " "); + for (char *x =3D c->inst.code_begin; x < c->inst.code_end; x++) { + EMIT_SIG(c, "%c", *x); + } + EMIT_SIG(c, " " END_COMMENT "\n"); + + /* Commit instruction code to output file */ + fwrite(c->signature_str->str, sizeof(char), c->signature_str->len, + c->output_file); + fwrite(c->header_str->str, sizeof(char), c->header_str->len, + c->output_file); + fwrite(c->out_str->str, sizeof(char), c->out_str->len, + c->output_file); + + fwrite(c->signature_str->str, sizeof(char), c->signature_str->len, + c->defines_file); + fprintf(c->defines_file, ";\n"); +} + +static void gen_c_int_type(Context *c, YYLTYPE *locp, unsigned bit_width, + HexSignedness signedness) +{ + const char *signstr =3D (signedness =3D=3D UNSIGNED) ? "u" : ""; + OUT(c, locp, signstr, "int", &bit_width, "_t"); +} + +static HexValue gen_constant(Context *c, + YYLTYPE *locp, + const char *value, + unsigned bit_width, + HexSignedness signedness) +{ + HexValue rvalue; + assert(bit_width =3D=3D 32 || bit_width =3D=3D 64); + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D TEMP; + rvalue.bit_width =3D bit_width; + rvalue.signedness =3D signedness; + rvalue.is_dotnew =3D false; + rvalue.is_manual =3D true; + rvalue.tmp.index =3D c->inst.tmp_count; + OUT(c, locp, "TCGv_i", &bit_width, " tmp_", &c->inst.tmp_count, + " =3D tcg_constant_i", &bit_width, "(", value, ");\n"); + c->inst.tmp_count++; + return rvalue; +} + +/* Temporary values creation */ +HexValue gen_tmp(Context *c, + YYLTYPE *locp, + unsigned bit_width, + HexSignedness signedness) +{ + HexValue rvalue; + assert(bit_width =3D=3D 32 || bit_width =3D=3D 64); + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D TEMP; + rvalue.bit_width =3D bit_width; + rvalue.signedness =3D signedness; + rvalue.is_dotnew =3D false; + rvalue.is_manual =3D false; + rvalue.tmp.index =3D c->inst.tmp_count; + OUT(c, locp, "TCGv_i", &bit_width, " tmp_", &c->inst.tmp_count, + " =3D tcg_temp_new_i", &bit_width, "();\n"); + c->inst.tmp_count++; + return rvalue; +} + +HexValue gen_tmp_local(Context *c, + YYLTYPE *locp, + unsigned bit_width, + HexSignedness signedness) +{ + HexValue rvalue; + assert(bit_width =3D=3D 32 || bit_width =3D=3D 64); + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D TEMP; + rvalue.bit_width =3D bit_width; + rvalue.signedness =3D signedness; + rvalue.is_dotnew =3D false; + rvalue.is_manual =3D false; + rvalue.tmp.index =3D c->inst.tmp_count; + OUT(c, locp, "TCGv_i", &bit_width, " tmp_", &c->inst.tmp_count, + " =3D tcg_temp_local_new_i", &bit_width, "();\n"); + c->inst.tmp_count++; + return rvalue; +} + +HexValue gen_tmp_value(Context *c, + YYLTYPE *locp, + const char *value, + unsigned bit_width, + HexSignedness signedness) +{ + HexValue rvalue; + assert(bit_width =3D=3D 32 || bit_width =3D=3D 64); + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D TEMP; + rvalue.bit_width =3D bit_width; + rvalue.signedness =3D signedness; + rvalue.is_dotnew =3D false; + rvalue.is_manual =3D false; + rvalue.tmp.index =3D c->inst.tmp_count; + OUT(c, locp, "TCGv_i", &bit_width, " tmp_", &c->inst.tmp_count, + " =3D tcg_const_i", &bit_width, "(", value, ");\n"); + c->inst.tmp_count++; + return rvalue; +} + +static HexValue gen_tmp_value_from_imm(Context *c, + YYLTYPE *locp, + HexValue *value) +{ + HexValue rvalue; + assert(value->type =3D=3D IMMEDIATE); + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D TEMP; + rvalue.bit_width =3D value->bit_width; + rvalue.signedness =3D value->signedness; + rvalue.is_dotnew =3D false; + rvalue.is_manual =3D false; + rvalue.tmp.index =3D c->inst.tmp_count; + /* + * Here we output the call to `tcg_const_i` in + * order to create the temporary value. Note, that we + * add a cast + * + * `tcg_const_i`((int_t) ...)` + * + * This cast is required to avoid implicit integer + * conversion warnings since all immediates are + * output as `((int64_t) 123ULL)`, even if the + * integer is 32-bit. + */ + OUT(c, locp, "TCGv_i", &rvalue.bit_width, " tmp_", &c->inst.tmp_count); + OUT(c, locp, " =3D tcg_const_i", &rvalue.bit_width, + "((int", &rvalue.bit_width, "_t) (", value, "));\n"); + + c->inst.tmp_count++; + return rvalue; +} + +HexValue gen_imm_value(Context *c __attribute__((unused)), + YYLTYPE *locp, + int value, + unsigned bit_width, + HexSignedness signedness) +{ + (void) locp; + HexValue rvalue; + assert(bit_width =3D=3D 32 || bit_width =3D=3D 64); + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D IMMEDIATE; + rvalue.bit_width =3D bit_width; + rvalue.signedness =3D signedness; + rvalue.is_dotnew =3D false; + rvalue.is_manual =3D false; + rvalue.imm.type =3D VALUE; + rvalue.imm.value =3D value; + return rvalue; +} + +HexValue gen_imm_qemu_tmp(Context *c, YYLTYPE *locp, unsigned bit_width, + HexSignedness signedness) +{ + (void) locp; + HexValue rvalue; + assert(bit_width =3D=3D 32 || bit_width =3D=3D 64); + memset(&rvalue, 0, sizeof(HexValue)); + rvalue.type =3D IMMEDIATE; + rvalue.is_dotnew =3D false; + rvalue.is_manual =3D false; + rvalue.bit_width =3D bit_width; + rvalue.signedness =3D signedness; + rvalue.imm.type =3D QEMU_TMP; + rvalue.imm.index =3D c->inst.qemu_tmp_count++; + return rvalue; +} + +void gen_rvalue_free(Context *c, YYLTYPE *locp, HexValue *rvalue) +{ + if (rvalue->type =3D=3D TEMP && !rvalue->is_manual) { + const char *bit_suffix =3D (rvalue->bit_width =3D=3D 64) ? "i64" := "i32"; + OUT(c, locp, "tcg_temp_free_", bit_suffix, "(", rvalue, ");\n"); + } +} + +static void gen_rvalue_free_manual(Context *c, YYLTYPE *locp, HexValue *rv= alue) +{ + rvalue->is_manual =3D false; + gen_rvalue_free(c, locp, rvalue); +} + +HexValue rvalue_materialize(Context *c, YYLTYPE *locp, HexValue *rvalue) +{ + if (rvalue->type =3D=3D IMMEDIATE) { + HexValue res =3D gen_tmp_value_from_imm(c, locp, rvalue); + gen_rvalue_free(c, locp, rvalue); + return res; + } + return *rvalue; +} + +HexValue gen_rvalue_extend(Context *c, YYLTYPE *locp, HexValue *rvalue) +{ + assert_signedness(c, locp, rvalue->signedness); + if (rvalue->bit_width > 32) { + return *rvalue; + } + + if (rvalue->type =3D=3D IMMEDIATE) { + HexValue res =3D gen_imm_qemu_tmp(c, locp, 64, rvalue->signedness); + bool is_unsigned =3D (rvalue->signedness =3D=3D UNSIGNED); + const char *sign_suffix =3D is_unsigned ? "u" : ""; + gen_c_int_type(c, locp, 64, rvalue->signedness); + OUT(c, locp, " ", &res, " =3D "); + OUT(c, locp, "(", sign_suffix, "int64_t) "); + OUT(c, locp, "(", sign_suffix, "int32_t) "); + OUT(c, locp, rvalue, ";\n"); + return res; + } else { + HexValue res =3D gen_tmp(c, locp, 64, rvalue->signedness); + bool is_unsigned =3D (rvalue->signedness =3D=3D UNSIGNED); + const char *sign_suffix =3D is_unsigned ? "u" : ""; + OUT(c, locp, "tcg_gen_ext", sign_suffix, + "_i32_i64(", &res, ", ", rvalue, ");\n"); + gen_rvalue_free(c, locp, rvalue); + return res; + } +} + +HexValue gen_rvalue_truncate(Context *c, YYLTYPE *locp, HexValue *rvalue) +{ + if (rvalue->type =3D=3D IMMEDIATE) { + HexValue res =3D *rvalue; + res.bit_width =3D 32; + return res; + } else { + if (rvalue->bit_width =3D=3D 64) { + HexValue res =3D gen_tmp(c, locp, 32, rvalue->signedness); + OUT(c, locp, "tcg_gen_trunc_i64_tl(", &res, ", ", rvalue, ");\= n"); + gen_rvalue_free(c, locp, rvalue); + return res; + } + } + return *rvalue; +} + +/* + * Attempts to lookup the `Var` struct associated with the given `varid`. + * The `dst` argument is populated with the found name, bit_width, and + * signedness, given that `dst` is non-NULL. Returns true if the lookup + * succeeded and false otherwise. + */ +static bool try_find_variable(Context *c, YYLTYPE *locp, + HexValue *dst, + HexValue *varid) +{ + yyassert(c, locp, varid, "varid to lookup is NULL"); + yyassert(c, locp, varid->type =3D=3D VARID, + "Can only lookup variables by varid"); + for (unsigned i =3D 0; i < c->inst.allocated->len; i++) { + Var *curr =3D &g_array_index(c->inst.allocated, Var, i); + if (g_string_equal(varid->var.name, curr->name)) { + if (dst) { + dst->var.name =3D curr->name; + dst->bit_width =3D curr->bit_width; + dst->signedness =3D curr->signedness; + } + return true; + } + } + return false; +} + +/* Calls `try_find_variable` and asserts succcess. */ +static void find_variable(Context *c, YYLTYPE *locp, + HexValue *dst, + HexValue *varid) +{ + bool found =3D try_find_variable(c, locp, dst, varid); + yyassert(c, locp, found, "Use of undeclared variable!\n"); +} + +/* Handle signedness, if both unsigned -> result is unsigned, else signed = */ +static inline HexSignedness bin_op_signedness(Context *c, YYLTYPE *locp, + HexSignedness sign1, + HexSignedness sign2) +{ + assert_signedness(c, locp, sign1); + assert_signedness(c, locp, sign2); + return (sign1 =3D=3D UNSIGNED && sign2 =3D=3D UNSIGNED) ? UNSIGNED : S= IGNED; +} + +void gen_varid_allocate(Context *c, + YYLTYPE *locp, + HexValue *varid, + unsigned bit_width, + HexSignedness signedness) +{ + const char *bit_suffix =3D (bit_width =3D=3D 64) ? "i64" : "i32"; + bool found =3D try_find_variable(c, locp, NULL, varid); + Var new_var; + + memset(&new_var, 0, sizeof(Var)); + + yyassert(c, locp, !found, "Redeclaration of variables not allowed!"); + assert_signedness(c, locp, signedness); + + /* `varid` only carries name information */ + new_var.name =3D varid->var.name; + new_var.bit_width =3D bit_width; + new_var.signedness =3D signedness; + + EMIT_HEAD(c, "TCGv_%s %s", bit_suffix, varid->var.name->str); + EMIT_HEAD(c, " =3D tcg_temp_local_new_%s();\n", bit_suffix); + g_array_append_val(c->inst.allocated, new_var); +} + +enum OpTypes { + IMM_IMM =3D 0, + IMM_REG =3D 1, + REG_IMM =3D 2, + REG_REG =3D 3, +}; + +HexValue gen_bin_cmp(Context *c, + YYLTYPE *locp, + TCGCond type, + HexValue *op1, + HexValue *op2) +{ + HexValue op1_m =3D *op1; + HexValue op2_m =3D *op2; + enum OpTypes op_types =3D (op1_m.type !=3D IMMEDIATE) << 1 + | (op2_m.type !=3D IMMEDIATE); + + bool op_is64bit =3D op1_m.bit_width =3D=3D 64 || op2_m.bit_width =3D= =3D 64; + const char *bit_suffix =3D op_is64bit ? "i64" : "i32"; + unsigned bit_width =3D (op_is64bit) ? 64 : 32; + HexValue res =3D gen_tmp(c, locp, bit_width, UNSIGNED); + + /* Extend to 64-bits, if required */ + if (op_is64bit) { + op1_m =3D gen_rvalue_extend(c, locp, &op1_m); + op2_m =3D gen_rvalue_extend(c, locp, &op2_m); + } + + switch (op_types) { + case IMM_IMM: + case IMM_REG: + yyassert(c, locp, false, "Binary comparisons between IMM op IMM an= d" + "IMM op REG not handled!"); + break; + case REG_IMM: + OUT(c, locp, "tcg_gen_setcondi_", bit_suffix, "("); + OUT(c, locp, cond_to_str(type), ", ", &res, ", ", &op1_m, ", ", &o= p2_m, + ");\n"); + break; + case REG_REG: + OUT(c, locp, "tcg_gen_setcond_", bit_suffix, "("); + OUT(c, locp, cond_to_str(type), ", ", &res, ", ", &op1_m, ", ", &o= p2_m, + ");\n"); + break; + default: + fprintf(stderr, "Error in evalutating immediateness!"); + abort(); + } + + /* Free operands */ + gen_rvalue_free(c, locp, &op1_m); + gen_rvalue_free(c, locp, &op2_m); + + return res; +} + +static void gen_simple_op(Context *c, YYLTYPE *locp, unsigned bit_width, + const char *bit_suffix, HexValue *res, + enum OpTypes op_types, + HexValue *op1, + HexValue *op2, + const char *imm_imm, + const char *imm_reg, + const char *reg_imm, + const char *reg_reg) +{ + switch (op_types) { + case IMM_IMM: { + HexSignedness signedness =3D bin_op_signedness(c, locp, + op1->signedness, + op2->signedness); + gen_c_int_type(c, locp, bit_width, signedness); + OUT(c, locp, " ", res, + " =3D ", op1, imm_imm, op2, ";\n"); + } break; + case IMM_REG: + OUT(c, locp, imm_reg, bit_suffix, + "(", res, ", ", op2, ", ", op1, ");\n"); + break; + case REG_IMM: + OUT(c, locp, reg_imm, bit_suffix, + "(", res, ", ", op1, ", ", op2, ");\n"); + break; + case REG_REG: + OUT(c, locp, reg_reg, bit_suffix, + "(", res, ", ", op1, ", ", op2, ");\n"); + break; + } + gen_rvalue_free(c, locp, op1); + gen_rvalue_free(c, locp, op2); +} + +static void gen_sub_op(Context *c, YYLTYPE *locp, unsigned bit_width, + const char *bit_suffix, HexValue *res, + enum OpTypes op_types, HexValue *op1, + HexValue *op2) +{ + switch (op_types) { + case IMM_IMM: { + HexSignedness signedness =3D bin_op_signedness(c, locp, + op1->signedness, + op2->signedness); + gen_c_int_type(c, locp, bit_width, signedness); + OUT(c, locp, " ", res, + " =3D ", op1, " - ", op2, ";\n"); + } break; + case IMM_REG: { + OUT(c, locp, "tcg_gen_subfi_", bit_suffix, + "(", res, ", ", op1, ", ", op2, ");\n"); + } break; + case REG_IMM: { + OUT(c, locp, "tcg_gen_subi_", bit_suffix, + "(", res, ", ", op1, ", ", op2, ");\n"); + } break; + case REG_REG: { + OUT(c, locp, "tcg_gen_sub_", bit_suffix, + "(", res, ", ", op1, ", ", op2, ");\n"); + } break; + } + gen_rvalue_free(c, locp, op1); + gen_rvalue_free(c, locp, op2); +} + +static void gen_asl_op(Context *c, YYLTYPE *locp, unsigned bit_width, + bool op_is64bit, const char *bit_suffix, + HexValue *res, enum OpTypes op_types, + HexValue *op1, HexValue *op2) +{ + HexValue op1_m =3D *op1; + HexValue op2_m =3D *op2; + switch (op_types) { + case IMM_IMM: { + HexSignedness signedness =3D bin_op_signedness(c, locp, + op1->signedness, + op2->signedness); + gen_c_int_type(c, locp, bit_width, signedness); + OUT(c, locp, " ", res, + " =3D ", op1, " << ", op2, ";\n"); + } break; + case REG_IMM: { + OUT(c, locp, "if (", op2, " >=3D ", &bit_width, ") {\n"); + OUT(c, locp, "tcg_gen_movi_", bit_suffix, "(", res, ", 0);\n"); + OUT(c, locp, "} else {\n"); + OUT(c, locp, "tcg_gen_shli_", bit_suffix, + "(", res, ", ", op1, ", ", op2, ");\n"); + OUT(c, locp, "}\n"); + } break; + case IMM_REG: + op1_m.bit_width =3D bit_width; + op1_m =3D rvalue_materialize(c, locp, &op1_m); + /* fallthrough */ + case REG_REG: { + OUT(c, locp, "tcg_gen_shl_", bit_suffix, + "(", res, ", ", &op1_m, ", ", op2, ");\n"); + } break; + } + if (op_types =3D=3D IMM_REG || op_types =3D=3D REG_REG) { + /* + * Handle left shift by 64/32 which hexagon-sim expects to clear o= ut + * register + */ + HexValue zero =3D gen_constant(c, locp, "0", bit_width, UNSIGNED); + HexValue edge =3D gen_imm_value(c, locp, bit_width, bit_width, UNS= IGNED); + edge =3D rvalue_materialize(c, locp, &edge); + if (op_is64bit) { + op2_m =3D gen_rvalue_extend(c, locp, &op2_m); + } + op1_m =3D rvalue_materialize(c, locp, &op1_m); + op2_m =3D rvalue_materialize(c, locp, &op2_m); + OUT(c, locp, "tcg_gen_movcond_i", &bit_width); + OUT(c, locp, "(TCG_COND_GEU, ", res, ", ", &op2_m, ", ", &edge); + OUT(c, locp, ", ", &zero, ", ", res, ");\n"); + gen_rvalue_free(c, locp, &edge); + } + gen_rvalue_free(c, locp, &op1_m); + gen_rvalue_free(c, locp, &op2_m); +} + +static void gen_asr_op(Context *c, YYLTYPE *locp, unsigned bit_width, + bool op_is64bit, const char *bit_suffix, + HexValue *res, enum OpTypes op_types, + HexValue *op1, HexValue *op2) +{ + HexValue op1_m =3D *op1; + HexValue op2_m =3D *op2; + switch (op_types) { + case IMM_IMM: + case IMM_REG: + yyassert(c, locp, false, "ASR between IMM op IMM, and IMM op REG" + " not handled!"); + break; + case REG_IMM: { + HexSignedness signedness =3D bin_op_signedness(c, locp, + op1->signedness, + op2->signedness); + OUT(c, locp, "{\n"); + gen_c_int_type(c, locp, bit_width, signedness); + OUT(c, locp, " shift =3D ", op2, ";\n"); + OUT(c, locp, "if (", op2, " >=3D ", &bit_width, ") {\n"); + OUT(c, locp, " shift =3D ", &bit_width, " - 1;\n"); + OUT(c, locp, "}\n"); + OUT(c, locp, "tcg_gen_sari_", bit_suffix, + "(", res, ", ", op1, ", shift);\n}\n"); + } break; + case REG_REG: + OUT(c, locp, "tcg_gen_sar_", bit_suffix, + "(", res, ", ", &op1_m, ", ", op2, ");\n"); + break; + } + if (op_types =3D=3D REG_REG) { + /* Handle right shift by values >=3D bit_width */ + const char *offset =3D op_is64bit ? "63" : "31"; + HexValue tmp =3D gen_tmp(c, locp, bit_width, SIGNED); + HexValue zero =3D gen_constant(c, locp, "0", bit_width, SIGNED); + HexValue edge =3D gen_imm_value(c, locp, bit_width, bit_width, UNS= IGNED); + + edge =3D rvalue_materialize(c, locp, &edge); + if (op_is64bit) { + op2_m =3D gen_rvalue_extend(c, locp, &op2_m); + } + op1_m =3D rvalue_materialize(c, locp, &op1_m); + op2_m =3D rvalue_materialize(c, locp, &op2_m); + + OUT(c, locp, "tcg_gen_extract_", bit_suffix, "(", + &tmp, ", ", &op1_m, ", ", offset, ", 1);\n"); + OUT(c, locp, "tcg_gen_sub_", bit_suffix, "(", + &tmp, ", ", &zero, ", ", &tmp, ");\n"); + OUT(c, locp, "tcg_gen_movcond_i", &bit_width); + OUT(c, locp, "(TCG_COND_GEU, ", res, ", ", &op2_m, ", ", &edge); + OUT(c, locp, ", ", &tmp, ", ", res, ");\n"); + gen_rvalue_free(c, locp, &edge); + gen_rvalue_free(c, locp, &tmp); + } + gen_rvalue_free(c, locp, &op1_m); + gen_rvalue_free(c, locp, &op2_m); +} + +static void gen_lsr_op(Context *c, YYLTYPE *locp, unsigned bit_width, + bool op_is64bit, const char *bit_suffix, + HexValue *res, enum OpTypes op_types, + HexValue *op1, HexValue *op2) +{ + HexValue op1_m =3D *op1; + HexValue op2_m =3D *op2; + switch (op_types) { + case IMM_IMM: + case IMM_REG: + yyassert(c, locp, false, "LSR between IMM op IMM, and IMM op REG" + " not handled!"); + break; + case REG_IMM: + OUT(c, locp, "if (", op2, " >=3D ", &bit_width, ") {\n"); + OUT(c, locp, "tcg_gen_movi_", bit_suffix, "(", res, ", 0);\n"); + OUT(c, locp, "} else {\n"); + OUT(c, locp, "tcg_gen_shri_", bit_suffix, + "(", res, ", ", op1, ", ", op2, ");\n"); + OUT(c, locp, "}\n"); + break; + case REG_REG: + OUT(c, locp, "tcg_gen_shr_", bit_suffix, + "(", res, ", ", &op1_m, ", ", op2, ");\n"); + break; + } + if (op_types =3D=3D REG_REG) { + /* Handle right shift by values >=3D bit_width */ + HexValue zero =3D gen_constant(c, locp, "0", bit_width, UNSIGNED); + HexValue edge =3D gen_imm_value(c, locp, bit_width, bit_width, UNS= IGNED); + edge =3D rvalue_materialize(c, locp, &edge); + if (op_is64bit) { + op2_m =3D gen_rvalue_extend(c, locp, &op2_m); + } + op1_m =3D rvalue_materialize(c, locp, &op1_m); + op2_m =3D rvalue_materialize(c, locp, &op2_m); + OUT(c, locp, "tcg_gen_movcond_i", &bit_width); + OUT(c, locp, "(TCG_COND_GEU, ", res, ", ", &op2_m, ", ", &edge); + OUT(c, locp, ", ", &zero, ", ", res, ");\n"); + gen_rvalue_free(c, locp, &edge); + } + gen_rvalue_free(c, locp, &op1_m); + gen_rvalue_free(c, locp, &op2_m); +} + +/* + * Note: This implementation of logical `and` does not mirror that in C. + * We do not short-circuit logical expressions! + */ +static void gen_andl_op(Context *c, YYLTYPE *locp, unsigned bit_width, + const char *bit_suffix, HexValue *res, + enum OpTypes op_types, HexValue *op1, + HexValue *op2) +{ + (void) bit_width; + HexValue tmp1, tmp2; + HexValue zero =3D gen_constant(c, locp, "0", 32, UNSIGNED); + memset(&tmp1, 0, sizeof(HexValue)); + memset(&tmp2, 0, sizeof(HexValue)); + switch (op_types) { + case IMM_IMM: + case IMM_REG: + case REG_IMM: + yyassert(c, locp, false, "ANDL between IMM op IMM, IMM op REG, and" + " REG op IMM, not handled!"); + break; + case REG_REG: + tmp1 =3D gen_bin_cmp(c, locp, TCG_COND_NE, op1, &zero); + tmp2 =3D gen_bin_cmp(c, locp, TCG_COND_NE, op2, &zero); + OUT(c, locp, "tcg_gen_and_", bit_suffix, + "(", res, ", ", &tmp1, ", ", &tmp2, ");\n"); + gen_rvalue_free_manual(c, locp, &zero); + gen_rvalue_free(c, locp, &tmp1); + gen_rvalue_free(c, locp, &tmp2); + break; + } +} + +static void gen_minmax_op(Context *c, YYLTYPE *locp, unsigned bit_width, + HexValue *res, enum OpTypes op_types, + HexValue *op1, HexValue *op2, bool minmax) +{ + const char *mm; + HexValue op1_m =3D *op1; + HexValue op2_m =3D *op2; + bool is_unsigned; + + assert_signedness(c, locp, res->signedness); + is_unsigned =3D res->signedness =3D=3D UNSIGNED; + + if (minmax) { + /* Max */ + mm =3D is_unsigned ? "tcg_gen_umax" : "tcg_gen_smax"; + } else { + /* Min */ + mm =3D is_unsigned ? "tcg_gen_umin" : "tcg_gen_smin"; + } + switch (op_types) { + case IMM_IMM: + yyassert(c, locp, false, "MINMAX between IMM op IMM, not handled!"= ); + break; + case IMM_REG: + op1_m.bit_width =3D bit_width; + op1_m =3D rvalue_materialize(c, locp, &op1_m); + OUT(c, locp, mm, "_i", &bit_width, "("); + OUT(c, locp, res, ", ", &op1_m, ", ", op2, ");\n"); + break; + case REG_IMM: + op2_m.bit_width =3D bit_width; + op2_m =3D rvalue_materialize(c, locp, &op2_m); + /* Fallthrough */ + case REG_REG: + OUT(c, locp, mm, "_i", &bit_width, "("); + OUT(c, locp, res, ", ", op1, ", ", &op2_m, ");\n"); + break; + } + gen_rvalue_free(c, locp, &op1_m); + gen_rvalue_free(c, locp, &op2_m); +} + +/* Code generation functions */ +HexValue gen_bin_op(Context *c, + YYLTYPE *locp, + OpType type, + HexValue *op1, + HexValue *op2) +{ + /* Replicate operands to avoid side effects */ + HexValue op1_m =3D *op1; + HexValue op2_m =3D *op2; + enum OpTypes op_types; + bool op_is64bit; + HexSignedness signedness; + unsigned bit_width; + const char *bit_suffix; + HexValue res; + + memset(&res, 0, sizeof(HexValue)); + + /* + * If the operands are VARID's we need to look up the + * type information. + */ + if (op1_m.type =3D=3D VARID) { + find_variable(c, locp, &op1_m, &op1_m); + } + if (op2_m.type =3D=3D VARID) { + find_variable(c, locp, &op2_m, &op2_m); + } + + op_types =3D (op1_m.type !=3D IMMEDIATE) << 1 + | (op2_m.type !=3D IMMEDIATE); + op_is64bit =3D op1_m.bit_width =3D=3D 64 || op2_m.bit_width =3D=3D 64; + /* Shift greater than 32 are 64 bits wide */ + + if (type =3D=3D ASL_OP && op2_m.type =3D=3D IMMEDIATE && + op2_m.imm.type =3D=3D VALUE && op2_m.imm.value >=3D 32) { + op_is64bit =3D true; + } + + bit_width =3D (op_is64bit) ? 64 : 32; + bit_suffix =3D op_is64bit ? "i64" : "i32"; + + /* Extend to 64-bits, if required */ + if (op_is64bit) { + op1_m =3D gen_rvalue_extend(c, locp, &op1_m); + op2_m =3D gen_rvalue_extend(c, locp, &op2_m); + } + + signedness =3D bin_op_signedness(c, locp, op1_m.signedness, op2_m.sign= edness); + if (op_types !=3D IMM_IMM) { + res =3D gen_tmp(c, locp, bit_width, signedness); + } else { + res =3D gen_imm_qemu_tmp(c, locp, bit_width, signedness); + } + + switch (type) { + case ADD_OP: + gen_simple_op(c, locp, bit_width, bit_suffix, &res, + op_types, &op1_m, &op2_m, + " + ", + "tcg_gen_addi_", + "tcg_gen_addi_", + "tcg_gen_add_"); + break; + case SUB_OP: + gen_sub_op(c, locp, bit_width, bit_suffix, &res, op_types, + &op1_m, &op2_m); + break; + case MUL_OP: + gen_simple_op(c, locp, bit_width, bit_suffix, &res, + op_types, &op1_m, &op2_m, + " * ", + "tcg_gen_muli_", + "tcg_gen_muli_", + "tcg_gen_mul_"); + break; + case ASL_OP: + gen_asl_op(c, locp, bit_width, op_is64bit, bit_suffix, &res, op_ty= pes, + &op1_m, &op2_m); + break; + case ASR_OP: + gen_asr_op(c, locp, bit_width, op_is64bit, bit_suffix, &res, op_ty= pes, + &op1_m, &op2_m); + break; + case LSR_OP: + gen_lsr_op(c, locp, bit_width, op_is64bit, bit_suffix, &res, op_ty= pes, + &op1_m, &op2_m); + break; + case ANDB_OP: + gen_simple_op(c, locp, bit_width, bit_suffix, &res, + op_types, &op1_m, &op2_m, + " & ", + "tcg_gen_andi_", + "tcg_gen_andi_", + "tcg_gen_and_"); + break; + case ORB_OP: + gen_simple_op(c, locp, bit_width, bit_suffix, &res, + op_types, &op1_m, &op2_m, + " | ", + "tcg_gen_ori_", + "tcg_gen_ori_", + "tcg_gen_or_"); + break; + case XORB_OP: + gen_simple_op(c, locp, bit_width, bit_suffix, &res, + op_types, &op1_m, &op2_m, + " ^ ", + "tcg_gen_xori_", + "tcg_gen_xori_", + "tcg_gen_xor_"); + break; + case ANDL_OP: + gen_andl_op(c, locp, bit_width, bit_suffix, &res, op_types, &op1_m, + &op2_m); + break; + case MINI_OP: + gen_minmax_op(c, locp, bit_width, &res, op_types, &op1_m, &op2_m, + false); + break; + case MAXI_OP: + gen_minmax_op(c, locp, bit_width, &res, op_types, &op1_m, &op2_m, = true); + break; + } + return res; +} + +HexValue gen_cast_op(Context *c, + YYLTYPE *locp, + HexValue *src, + unsigned target_width, + HexSignedness signedness) +{ + assert_signedness(c, locp, src->signedness); + if (src->bit_width =3D=3D target_width) { + return *src; + } else if (src->type =3D=3D IMMEDIATE) { + HexValue res =3D *src; + res.bit_width =3D target_width; + res.signedness =3D signedness; + return res; + } else { + HexValue res =3D gen_tmp(c, locp, target_width, signedness); + /* Truncate */ + if (src->bit_width > target_width) { + OUT(c, locp, "tcg_gen_trunc_i64_tl(", &res, ", ", src, ");\n"); + } else { + assert_signedness(c, locp, src->signedness); + if (src->signedness =3D=3D UNSIGNED) { + /* Extend unsigned */ + OUT(c, locp, "tcg_gen_extu_i32_i64(", + &res, ", ", src, ");\n"); + } else { + /* Extend signed */ + OUT(c, locp, "tcg_gen_ext_i32_i64(", + &res, ", ", src, ");\n"); + } + } + gen_rvalue_free(c, locp, src); + return res; + } +} + + +/* + * Implements an extension when the `src_width` is an immediate. + * If the `value` to extend is also an immediate we use `extract/sextract` + * from QEMU `bitops.h`. If `value` is a TCGv then we rely on + * `tcg_gen_extract/tcg_gen_sextract`. + */ +static HexValue gen_extend_imm_width_op(Context *c, + YYLTYPE *locp, + HexValue *src_width, + unsigned dst_width, + HexValue *value, + HexSignedness signedness) +{ + /* + * If the source width is not an immediate value, we need to guard + * our extend op with if statements to handle the case where + * `src_width_m` is 0. + */ + const char *sign_prefix; + bool need_guarding; + + assert_signedness(c, locp, signedness); + assert(dst_width =3D=3D 64 || dst_width =3D=3D 32); + assert(src_width->type =3D=3D IMMEDIATE); + + sign_prefix =3D (signedness =3D=3D UNSIGNED) ? "" : "s"; + need_guarding =3D (src_width->imm.type !=3D VALUE); + + if (src_width->imm.type =3D=3D VALUE && + src_width->imm.value =3D=3D 0) { + /* + * We can bail out early if the source width is known to be zero + * at translation time. + */ + return gen_imm_value(c, locp, 0, dst_width, signedness); + } + + if (value->type =3D=3D IMMEDIATE) { + /* + * If both the value and source width are immediates, + * we can perform the extension at translation time + * using QEMUs bitops. + */ + HexValue res =3D gen_imm_qemu_tmp(c, locp, dst_width, signedness); + gen_c_int_type(c, locp, dst_width, signedness); + OUT(c, locp, " ", &res, " =3D 0;\n"); + if (need_guarding) { + OUT(c, locp, "if (", src_width, " !=3D 0) {\n"); + } + OUT(c, locp, &res, " =3D ", sign_prefix, "extract", &dst_width); + OUT(c, locp, "(", value, ", 0, ", src_width, ");\n"); + if (need_guarding) { + OUT(c, locp, "}\n"); + } + + gen_rvalue_free(c, locp, value); + return res; + } else { + /* + * If the source width is an immediate and the value to + * extend is a TCGv, then use tcg_gen_extract/tcg_gen_sextract + */ + HexValue res =3D gen_tmp(c, locp, dst_width, signedness); + + /* + * If the width is an immediate value we know it is non-zero + * at this point, otherwise we need an if-statement + */ + if (need_guarding) { + OUT(c, locp, "if (", src_width, " !=3D 0) {\n"); + } + OUT(c, locp, "tcg_gen_", sign_prefix, "extract_i", &dst_width); + OUT(c, locp, "(", &res, ", ", value, ", 0, ", src_width, + ");\n"); + if (need_guarding) { + OUT(c, locp, "} else {\n"); + OUT(c, locp, "tcg_gen_movi_i", &dst_width, "(", &res, + ", 0);\n"); + OUT(c, locp, "}\n"); + } + + gen_rvalue_free(c, locp, value); + return res; + } +} + +/* + * Implements an extension when the `src_width` is given by + * a TCGv. Here we need to reimplement the behaviour of + * `tcg_gen_extract` and the like using shifts and masks. + */ +static HexValue gen_extend_tcg_width_op(Context *c, + YYLTYPE *locp, + HexValue *src_width, + unsigned dst_width, + HexValue *value, + HexSignedness signedness) +{ + HexValue src_width_m =3D rvalue_materialize(c, locp, src_width); + HexValue zero =3D gen_constant(c, locp, "0", dst_width, UNSIGNED); + HexValue shift =3D gen_tmp(c, locp, dst_width, UNSIGNED); + HexValue res; + + assert_signedness(c, locp, signedness); + assert(dst_width =3D=3D 64 || dst_width =3D=3D 32); + assert(src_width->type !=3D IMMEDIATE); + + res =3D gen_tmp(c, locp, dst_width, signedness); + + OUT(c, locp, "tcg_gen_subfi_i", &dst_width); + OUT(c, locp, "(", &shift, ", ", &dst_width, ", ", &src_width_m, ");\n"= ); + if (signedness =3D=3D UNSIGNED) { + const char *mask_str =3D (dst_width =3D=3D 32) + ? "0xffffffff" + : "0xffffffffffffffff"; + HexValue mask =3D gen_tmp_value(c, locp, mask_str, + dst_width, UNSIGNED); + OUT(c, locp, "tcg_gen_shr_i", &dst_width, "(", + &mask, ", ", &mask, ", ", &shift, ");\n"); + OUT(c, locp, "tcg_gen_and_i", &dst_width, "(", + &res, ", ", value, ", ", &mask, ");\n"); + gen_rvalue_free(c, locp, &mask); + } else { + OUT(c, locp, "tcg_gen_shl_i", &dst_width, "(", + &res, ", ", value, ", ", &shift, ");\n"); + OUT(c, locp, "tcg_gen_sar_i", &dst_width, "(", + &res, ", ", &res, ", ", &shift, ");\n"); + } + OUT(c, locp, "tcg_gen_movcond_i", &dst_width, "(TCG_COND_EQ, ", &res, + ", "); + OUT(c, locp, &src_width_m, ", ", &zero, ", ", &zero, ", ", &res, + ");\n"); + + gen_rvalue_free(c, locp, &src_width_m); + gen_rvalue_free(c, locp, value); + gen_rvalue_free(c, locp, &shift); + + return res; +} + +HexValue gen_extend_op(Context *c, + YYLTYPE *locp, + HexValue *src_width, + unsigned dst_width, + HexValue *value, + HexSignedness signedness) +{ + unsigned bit_width =3D (dst_width =3D 64) ? 64 : 32; + HexValue value_m =3D *value; + HexValue src_width_m =3D *src_width; + + assert_signedness(c, locp, signedness); + yyassert(c, locp, value_m.bit_width <=3D bit_width && + src_width_m.bit_width <=3D bit_width, + "Extending to a size smaller than the current size" + " makes no sense"); + + if (value_m.bit_width < bit_width) { + value_m =3D gen_rvalue_extend(c, locp, &value_m); + } + + if (src_width_m.bit_width < bit_width) { + src_width_m =3D gen_rvalue_extend(c, locp, &src_width_m); + } + + if (src_width_m.type =3D=3D IMMEDIATE) { + return gen_extend_imm_width_op(c, locp, &src_width_m, bit_width, + &value_m, signedness); + } else { + return gen_extend_tcg_width_op(c, locp, &src_width_m, bit_width, + &value_m, signedness); + } +} + +/* + * Implements `rdeposit` for the special case where `width` + * is of TCGv type. In this case we need to reimplement the behaviour + * of `tcg_gen_deposit*` using binary operations and masks/shifts. + * + * Note: this is the only type of `rdeposit` that occurs, meaning the + * `width` is _NEVER_ of IMMEDIATE type. + */ +void gen_rdeposit_op(Context *c, + YYLTYPE *locp, + HexValue *dst, + HexValue *value, + HexValue *begin, + HexValue *width) +{ + /* + * Otherwise if the width is not known, we fallback on reimplementing + * desposit in TCG. + */ + HexValue begin_m =3D *begin; + HexValue value_m =3D *value; + HexValue width_m =3D *width; + const char *mask_str =3D (dst->bit_width =3D=3D 32) + ? "0xffffffffUL" + : "0xffffffffffffffffUL"; + HexValue mask =3D gen_constant(c, locp, mask_str, dst->bit_width, + UNSIGNED); + const char *dst_width_str =3D (dst->bit_width =3D=3D 32) ? "32" : "64"; + HexValue k64 =3D gen_constant(c, locp, dst_width_str, dst->bit_width, + UNSIGNED); + HexValue res; + HexValue zero; + + assert(dst->bit_width >=3D value->bit_width); + assert(begin->type =3D=3D IMMEDIATE && begin->imm.type =3D=3D VALUE); + assert(dst->type =3D=3D REGISTER_ARG); + + yyassert(c, locp, width->type !=3D IMMEDIATE, + "Immediate index to rdeposit not handled!"); + + yyassert(c, locp, value_m.bit_width =3D=3D dst->bit_width && + begin_m.bit_width =3D=3D dst->bit_width && + width_m.bit_width =3D=3D dst->bit_width, + "Extension/truncation should be taken care of" + " before rdeposit!"); + + width_m =3D rvalue_materialize(c, locp, &width_m); + + /* + * mask =3D 0xffffffffffffffff >> (64 - width) + * mask =3D mask << begin + * value =3D (value << begin) & mask + * res =3D dst & ~mask + * res =3D res | value + * dst =3D (width !=3D 0) ? res : dst + */ + k64 =3D gen_bin_op(c, locp, SUB_OP, &k64, &width_m); + mask =3D gen_bin_op(c, locp, LSR_OP, &mask, &k64); + begin_m.is_manual =3D true; + mask =3D gen_bin_op(c, locp, ASL_OP, &mask, &begin_m); + mask.is_manual =3D true; + value_m =3D gen_bin_op(c, locp, ASL_OP, &value_m, &begin_m); + value_m =3D gen_bin_op(c, locp, ANDB_OP, &value_m, &mask); + + OUT(c, locp, "tcg_gen_not_i", &dst->bit_width, "(", &mask, ", ", + &mask, ");\n"); + mask.is_manual =3D false; + res =3D gen_bin_op(c, locp, ANDB_OP, dst, &mask); + res =3D gen_bin_op(c, locp, ORB_OP, &res, &value_m); + + /* + * We don't need to truncate `res` here, since all operations involved= use + * the same bit width. + */ + + /* If the width is zero, then return the identity dst =3D dst */ + zero =3D gen_constant(c, locp, "0", res.bit_width, UNSIGNED); + OUT(c, locp, "tcg_gen_movcond_i", &res.bit_width, "(TCG_COND_NE, ", + dst); + OUT(c, locp, ", ", &width_m, ", ", &zero, ", ", &res, ", ", dst, + ");\n"); + + gen_rvalue_free(c, locp, width); + gen_rvalue_free(c, locp, &res); +} + +void gen_deposit_op(Context *c, + YYLTYPE *locp, + HexValue *dst, + HexValue *value, + HexValue *index, + HexCast *cast) +{ + HexValue value_m =3D *value; + unsigned bit_width =3D (dst->bit_width =3D=3D 64) ? 64 : 32; + unsigned width =3D cast->bit_width; + + yyassert(c, locp, index->type =3D=3D IMMEDIATE, + "Deposit index must be immediate!\n"); + + /* + * Using tcg_gen_deposit_i**(dst, dst, ...) requires dst to be + * initialized. + */ + gen_inst_init_args(c, locp); + + /* If the destination value is 32, truncate the value, otherwise exten= d */ + if (dst->bit_width !=3D value->bit_width) { + if (bit_width =3D=3D 32) { + value_m =3D gen_rvalue_truncate(c, locp, &value_m); + } else { + value_m =3D gen_rvalue_extend(c, locp, &value_m); + } + } + value_m =3D rvalue_materialize(c, locp, &value_m); + OUT(c, locp, "tcg_gen_deposit_i", &bit_width, "(", dst, ", ", dst, ", = "); + OUT(c, locp, &value_m, ", ", index, " * ", &width, ", ", &width, ");\n= "); + gen_rvalue_free(c, locp, index); + gen_rvalue_free(c, locp, &value_m); +} + +HexValue gen_rextract_op(Context *c, + YYLTYPE *locp, + HexValue *src, + unsigned begin, + unsigned width) +{ + unsigned bit_width =3D (src->bit_width =3D=3D 64) ? 64 : 32; + HexValue res =3D gen_tmp(c, locp, bit_width, UNSIGNED); + OUT(c, locp, "tcg_gen_extract_i", &bit_width, "(", &res); + OUT(c, locp, ", ", src, ", ", &begin, ", ", &width, ");\n"); + gen_rvalue_free(c, locp, src); + return res; +} + +HexValue gen_extract_op(Context *c, + YYLTYPE *locp, + HexValue *src, + HexValue *index, + HexExtract *extract) +{ + unsigned bit_width =3D (src->bit_width =3D=3D 64) ? 64 : 32; + unsigned width =3D extract->bit_width; + const char *sign_prefix; + HexValue res; + + yyassert(c, locp, index->type =3D=3D IMMEDIATE, + "Extract index must be immediate!\n"); + assert_signedness(c, locp, extract->signedness); + + sign_prefix =3D (extract->signedness =3D=3D UNSIGNED) ? "" : "s"; + res =3D gen_tmp(c, locp, bit_width, extract->signedness); + + OUT(c, locp, "tcg_gen_", sign_prefix, "extract_i", &bit_width, + "(", &res, ", ", src); + OUT(c, locp, ", ", index, " * ", &width, ", ", &width, ");\n"); + + /* Some extract operations have bit_width !=3D storage_bit_width */ + if (extract->storage_bit_width > bit_width) { + HexValue tmp =3D gen_tmp(c, locp, extract->storage_bit_width, + extract->signedness); + const char *sign_suffix =3D (extract->signedness =3D=3D UNSIGNED) = ? "u" : ""; + OUT(c, locp, "tcg_gen_ext", sign_suffix, "_i32_i64(", + &tmp, ", ", &res, ");\n"); + gen_rvalue_free(c, locp, &res); + res =3D tmp; + } + + gen_rvalue_free(c, locp, src); + gen_rvalue_free(c, locp, index); + return res; +} + +void gen_write_reg(Context *c, YYLTYPE *locp, HexValue *reg, HexValue *val= ue) +{ + HexValue value_m =3D *value; + yyassert(c, locp, reg->type =3D=3D REGISTER, "reg must be a register!"= ); + value_m =3D gen_rvalue_truncate(c, locp, &value_m); + value_m =3D rvalue_materialize(c, locp, &value_m); + OUT(c, + locp, + "gen_log_reg_write(", ®->reg.id, ", ", + &value_m, ");\n"); + OUT(c, + locp, + "ctx_log_reg_write(ctx, ", ®->reg.id, + ");\n"); + gen_rvalue_free(c, locp, reg); + gen_rvalue_free(c, locp, &value_m); +} + +void gen_assign(Context *c, + YYLTYPE *locp, + HexValue *dst, + HexValue *value) +{ + HexValue value_m =3D *value; + unsigned bit_width; + + yyassert(c, locp, !is_inside_ternary(c), + "Assign in ternary not allowed!"); + + if (dst->type =3D=3D REGISTER) { + gen_write_reg(c, locp, dst, &value_m); + return; + } + + if (dst->type =3D=3D VARID) { + find_variable(c, locp, dst, dst); + } + bit_width =3D dst->bit_width =3D=3D 64 ? 64 : 32; + + if (bit_width !=3D value_m.bit_width) { + if (bit_width =3D=3D 64) { + value_m =3D gen_rvalue_extend(c, locp, &value_m); + } else { + value_m =3D gen_rvalue_truncate(c, locp, &value_m); + } + } + + const char *imm_suffix =3D (value_m.type =3D=3D IMMEDIATE) ? "i" : ""; + OUT(c, locp, "tcg_gen_mov", imm_suffix, "_i", &bit_width, + "(", dst, ", ", &value_m, ");\n"); + + gen_rvalue_free(c, locp, &value_m); +} + +HexValue gen_convround(Context *c, + YYLTYPE *locp, + HexValue *src) +{ + HexValue src_m =3D *src; + unsigned bit_width =3D src_m.bit_width; + const char *size =3D (bit_width =3D=3D 32) ? "32" : "64"; + HexValue res =3D gen_tmp(c, locp, bit_width, src->signedness); + HexValue mask =3D gen_constant(c, locp, "0x3", bit_width, UNSIGNED); + HexValue one =3D gen_constant(c, locp, "1", bit_width, UNSIGNED); + HexValue and; + HexValue src_p1; + + src_m.is_manual =3D true; + + and =3D gen_bin_op(c, locp, ANDB_OP, &src_m, &mask); + src_p1 =3D gen_bin_op(c, locp, ADD_OP, &src_m, &one); + + OUT(c, locp, "tcg_gen_movcond_i", size, "(TCG_COND_EQ, ", &res); + OUT(c, locp, ", ", &and, ", ", &mask, ", "); + OUT(c, locp, &src_p1, ", ", &src_m, ");\n"); + + /* Free src but use the original `is_manual` value */ + gen_rvalue_free(c, locp, src); + + /* Free the rest of the values */ + gen_rvalue_free(c, locp, &src_p1); + + return res; +} + +static HexValue gen_convround_n_b(Context *c, + YYLTYPE *locp, + HexValue *a, + HexValue *n) +{ + HexValue one =3D gen_constant(c, locp, "1", 32, UNSIGNED); + HexValue res =3D gen_tmp(c, locp, 64, UNSIGNED); + HexValue tmp =3D gen_tmp(c, locp, 32, UNSIGNED); + HexValue tmp_64 =3D gen_tmp(c, locp, 64, UNSIGNED); + + assert(n->type !=3D IMMEDIATE); + OUT(c, locp, "tcg_gen_ext_i32_i64(", &res, ", ", a, ");\n"); + OUT(c, locp, "tcg_gen_shl_i32(", &tmp); + OUT(c, locp, ", ", &one, ", ", n, ");\n"); + OUT(c, locp, "tcg_gen_and_i32(", &tmp); + OUT(c, locp, ", ", &tmp, ", ", a, ");\n"); + OUT(c, locp, "tcg_gen_shri_i32(", &tmp); + OUT(c, locp, ", ", &tmp, ", 1);\n"); + OUT(c, locp, "tcg_gen_ext_i32_i64(", &tmp_64, ", ", &tmp, ");\n"); + OUT(c, locp, "tcg_gen_add_i64(", &res); + OUT(c, locp, ", ", &res, ", ", &tmp_64, ");\n"); + + gen_rvalue_free(c, locp, &tmp); + gen_rvalue_free(c, locp, &tmp_64); + + return res; +} + +static HexValue gen_convround_n_c(Context *c, + YYLTYPE *locp, + HexValue *a, + HexValue *n) +{ + HexValue res =3D gen_tmp(c, locp, 64, UNSIGNED); + HexValue one =3D gen_constant(c, locp, "1", 32, UNSIGNED); + HexValue tmp =3D gen_tmp(c, locp, 32, UNSIGNED); + HexValue tmp_64 =3D gen_tmp(c, locp, 64, UNSIGNED); + + OUT(c, locp, "tcg_gen_ext_i32_i64(", &res, ", ", a, ");\n"); + OUT(c, locp, "tcg_gen_subi_i32(", &tmp); + OUT(c, locp, ", ", n, ", 1);\n"); + OUT(c, locp, "tcg_gen_shl_i32(", &tmp); + OUT(c, locp, ", ", &one, ", ", &tmp, ");\n"); + OUT(c, locp, "tcg_gen_ext_i32_i64(", &tmp_64, ", ", &tmp, ");\n"); + OUT(c, locp, "tcg_gen_add_i64(", &res); + OUT(c, locp, ", ", &res, ", ", &tmp_64, ");\n"); + + gen_rvalue_free(c, locp, &one); + gen_rvalue_free(c, locp, &tmp); + gen_rvalue_free(c, locp, &tmp_64); + + return res; +} + +HexValue gen_convround_n(Context *c, + YYLTYPE *locp, + HexValue *src, + HexValue *pos) +{ + HexValue zero =3D gen_constant(c, locp, "0", 64, UNSIGNED); + HexValue l_32 =3D gen_constant(c, locp, "1", 32, UNSIGNED); + HexValue cond =3D gen_tmp(c, locp, 32, UNSIGNED); + HexValue cond_64 =3D gen_tmp(c, locp, 64, UNSIGNED); + HexValue mask =3D gen_tmp(c, locp, 32, UNSIGNED); + HexValue n_64 =3D gen_tmp(c, locp, 64, UNSIGNED); + HexValue res =3D gen_tmp(c, locp, 64, UNSIGNED); + /* If input is 64 bit cast it to 32 */ + HexValue src_casted =3D gen_cast_op(c, locp, src, 32, src->signedness); + HexValue pos_casted =3D gen_cast_op(c, locp, pos, 32, pos->signedness); + HexValue r1; + HexValue r2; + HexValue r3; + + src_casted =3D rvalue_materialize(c, locp, &src_casted); + pos_casted =3D rvalue_materialize(c, locp, &pos_casted); + + /* + * r1, r2, and r3 represent the results of three different branches. + * - r1 picked if pos_casted =3D=3D 0 + * - r2 picked if (src_casted & ((1 << (pos_casted - 1)) - 1)) =3D= =3D 0), + * that is if bits 0, ..., pos_casted-1 are all 0. + * - r3 picked otherwise. + */ + r1 =3D gen_rvalue_extend(c, locp, &src_casted); + r2 =3D gen_convround_n_b(c, locp, &src_casted, &pos_casted); + r3 =3D gen_convround_n_c(c, locp, &src_casted, &pos_casted); + + /* + * Calculate the condition + * (src_casted & ((1 << (pos_casted - 1)) - 1)) =3D=3D 0), + * which checks if the bits 0,...,pos-1 are all 0. + */ + OUT(c, locp, "tcg_gen_sub_i32(", &mask); + OUT(c, locp, ", ", &pos_casted, ", ", &l_32, ");\n"); + OUT(c, locp, "tcg_gen_shl_i32(", &mask); + OUT(c, locp, ", ", &l_32, ", ", &mask, ");\n"); + OUT(c, locp, "tcg_gen_sub_i32(", &mask); + OUT(c, locp, ", ", &mask, ", ", &l_32, ");\n"); + OUT(c, locp, "tcg_gen_and_i32(", &cond); + OUT(c, locp, ", ", &src_casted, ", ", &mask, ");\n"); + OUT(c, locp, "tcg_gen_extu_i32_i64(", &cond_64, ", ", &cond, ");\n"); + + OUT(c, locp, "tcg_gen_ext_i32_i64(", &n_64, ", ", &pos_casted, ");\n"); + + /* + * if the bits 0, ..., pos_casted-1 are all 0, then pick r2 otherwise, + * pick r3. + */ + OUT(c, locp, "tcg_gen_movcond_i64"); + OUT(c, locp, "(TCG_COND_EQ, ", &res, ", ", &cond_64, ", ", &zero); + OUT(c, locp, ", ", &r2, ", ", &r3, ");\n"); + + /* Lastly, if the pos_casted =3D=3D 0, then pick r1 */ + OUT(c, locp, "tcg_gen_movcond_i64"); + OUT(c, locp, "(TCG_COND_EQ, ", &res, ", ", &n_64, ", ", &zero); + OUT(c, locp, ", ", &r1, ", ", &res, ");\n"); + + /* Finally shift back val >>=3D n */ + OUT(c, locp, "tcg_gen_shr_i64(", &res); + OUT(c, locp, ", ", &res, ", ", &n_64, ");\n"); + + gen_rvalue_free(c, locp, &src_casted); + gen_rvalue_free(c, locp, &pos_casted); + + gen_rvalue_free(c, locp, &r1); + gen_rvalue_free(c, locp, &r2); + gen_rvalue_free(c, locp, &r3); + + gen_rvalue_free(c, locp, &cond); + gen_rvalue_free(c, locp, &cond_64); + gen_rvalue_free(c, locp, &mask); + gen_rvalue_free(c, locp, &n_64); + + res =3D gen_rvalue_truncate(c, locp, &res); + return res; +} + +HexValue gen_round(Context *c, + YYLTYPE *locp, + HexValue *src, + HexValue *pos) +{ + HexValue zero =3D gen_constant(c, locp, "0", 64, UNSIGNED); + HexValue one =3D gen_constant(c, locp, "1", 64, UNSIGNED); + HexValue res; + HexValue n_m1; + HexValue shifted; + HexValue sum; + HexValue src_width; + HexValue a; + HexValue b; + + assert_signedness(c, locp, src->signedness); + yyassert(c, locp, src->bit_width <=3D 32, + "fRNDN not implemented for bit widths > 32!"); + + res =3D gen_tmp(c, locp, 64, src->signedness); + + src_width =3D gen_imm_value(c, locp, src->bit_width, 32, UNSIGNED); + a =3D gen_extend_op(c, locp, &src_width, 64, src, SIGNED); + a =3D rvalue_materialize(c, locp, &a); + + src_width =3D gen_imm_value(c, locp, 5, 32, UNSIGNED); + b =3D gen_extend_op(c, locp, &src_width, 64, pos, UNSIGNED); + b =3D rvalue_materialize(c, locp, &b); + + /* Disable auto-free of values used more than once */ + a.is_manual =3D true; + b.is_manual =3D true; + + n_m1 =3D gen_bin_op(c, locp, SUB_OP, &b, &one); + shifted =3D gen_bin_op(c, locp, ASL_OP, &one, &n_m1); + sum =3D gen_bin_op(c, locp, ADD_OP, &shifted, &a); + + OUT(c, locp, "tcg_gen_movcond_i64"); + OUT(c, locp, "(TCG_COND_EQ, ", &res, ", ", &b, ", ", &zero); + OUT(c, locp, ", ", &a, ", ", &sum, ");\n"); + + gen_rvalue_free_manual(c, locp, &a); + gen_rvalue_free_manual(c, locp, &b); + gen_rvalue_free(c, locp, &sum); + + return res; +} + +/* Circular addressing mode with auto-increment */ +void gen_circ_op(Context *c, + YYLTYPE *locp, + HexValue *addr, + HexValue *increment, + HexValue *modifier) +{ + HexValue cs =3D gen_tmp(c, locp, 32, UNSIGNED); + HexValue increment_m =3D *increment; + increment_m =3D rvalue_materialize(c, locp, &increment_m); + OUT(c, locp, "gen_read_reg(", &cs, ", HEX_REG_CS0 + MuN);\n"); + OUT(c, + locp, + "gen_helper_fcircadd(", + addr, + ", ", + addr, + ", ", + &increment_m, + ", ", + modifier); + OUT(c, locp, ", ", &cs, ");\n"); + gen_rvalue_free(c, locp, &increment_m); + gen_rvalue_free(c, locp, modifier); + gen_rvalue_free(c, locp, &cs); +} + +HexValue gen_locnt_op(Context *c, YYLTYPE *locp, HexValue *src) +{ + const char *bit_suffix =3D src->bit_width =3D=3D 64 ? "64" : "32"; + HexValue src_m =3D *src; + HexValue res; + + assert_signedness(c, locp, src->signedness); + res =3D gen_tmp(c, locp, src->bit_width =3D=3D 64 ? 64 : 32, src->sign= edness); + src_m =3D rvalue_materialize(c, locp, &src_m); + OUT(c, locp, "tcg_gen_not_i", bit_suffix, "(", + &res, ", ", &src_m, ");\n"); + OUT(c, locp, "tcg_gen_clzi_i", bit_suffix, "(", &res, ", ", &res, ", "= ); + OUT(c, locp, bit_suffix, ");\n"); + gen_rvalue_free(c, locp, &src_m); + return res; +} + +HexValue gen_ctpop_op(Context *c, YYLTYPE *locp, HexValue *src) +{ + const char *bit_suffix =3D src->bit_width =3D=3D 64 ? "64" : "32"; + HexValue src_m =3D *src; + HexValue res; + assert_signedness(c, locp, src->signedness); + res =3D gen_tmp(c, locp, src->bit_width =3D=3D 64 ? 64 : 32, src->sign= edness); + src_m =3D rvalue_materialize(c, locp, &src_m); + OUT(c, locp, "tcg_gen_ctpop_i", bit_suffix, + "(", &res, ", ", &src_m, ");\n"); + gen_rvalue_free(c, locp, &src_m); + return res; +} + +HexValue gen_rotl(Context *c, YYLTYPE *locp, HexValue *src, HexValue *widt= h) +{ + const char *suffix =3D src->bit_width =3D=3D 64 ? "i64" : "i32"; + HexValue amount =3D *width; + HexValue res; + assert_signedness(c, locp, src->signedness); + res =3D gen_tmp(c, locp, src->bit_width, src->signedness); + if (amount.bit_width < src->bit_width) { + amount =3D gen_rvalue_extend(c, locp, &amount); + } else { + amount =3D gen_rvalue_truncate(c, locp, &amount); + } + amount =3D rvalue_materialize(c, locp, &amount); + OUT(c, locp, "tcg_gen_rotl_", suffix, "(", + &res, ", ", src, ", ", &amount, ");\n"); + gen_rvalue_free(c, locp, src); + gen_rvalue_free(c, locp, &amount); + + return res; +} + +HexValue gen_carry_from_add(Context *c, + YYLTYPE *locp, + HexValue *op1, + HexValue *op2, + HexValue *op3) +{ + HexValue zero =3D gen_constant(c, locp, "0", 64, UNSIGNED); + HexValue res =3D gen_tmp(c, locp, 64, UNSIGNED); + HexValue cf =3D gen_tmp(c, locp, 64, UNSIGNED); + HexValue op1_m =3D rvalue_materialize(c, locp, op1); + HexValue op2_m =3D rvalue_materialize(c, locp, op2); + HexValue op3_m =3D rvalue_materialize(c, locp, op3); + op3_m =3D gen_rvalue_extend(c, locp, &op3_m); + + OUT(c, locp, "tcg_gen_add2_i64(", &res, ", ", &cf, ", ", &op1_m, ", ", + &zero); + OUT(c, locp, ", ", &op3_m, ", ", &zero, ");\n"); + OUT(c, locp, "tcg_gen_add2_i64(", &res, ", ", &cf, ", ", &res, ", ", &= cf); + OUT(c, locp, ", ", &op2_m, ", ", &zero, ");\n"); + + gen_rvalue_free(c, locp, &op1_m); + gen_rvalue_free(c, locp, &op2_m); + gen_rvalue_free(c, locp, &op3_m); + gen_rvalue_free(c, locp, &res); + return cf; +} + +void gen_addsat64(Context *c, + YYLTYPE *locp, + HexValue *dst, + HexValue *op1, + HexValue *op2) +{ + HexValue op1_m =3D rvalue_materialize(c, locp, op1); + HexValue op2_m =3D rvalue_materialize(c, locp, op2); + OUT(c, locp, "gen_add_sat_i64(", dst, ", ", &op1_m, ", ", &op2_m, ");\= n"); +} + +void gen_inst(Context *c, GString *iname) +{ + c->total_insn++; + c->inst.name =3D iname; + c->inst.allocated =3D g_array_new(FALSE, FALSE, sizeof(Var)); + c->inst.init_list =3D g_array_new(FALSE, FALSE, sizeof(HexValue)); + c->inst.strings =3D g_array_new(FALSE, FALSE, sizeof(GString *)); + EMIT_SIG(c, "void emit_%s(DisasContext *ctx, Insn *insn, Packet *pkt", + c->inst.name->str); +} + + +/* + * Initialize declared but uninitialized registers, but only for + * non-conditional instructions + */ +void gen_inst_init_args(Context *c, YYLTYPE *locp) +{ + if (!c->inst.init_list) { + return; + } + + for (unsigned i =3D 0; i < c->inst.init_list->len; i++) { + HexValue *val =3D &g_array_index(c->inst.init_list, HexValue, i); + if (val->type =3D=3D REGISTER_ARG) { + char reg_id[5]; + reg_compose(c, locp, &val->reg, reg_id); + EMIT_HEAD(c, "tcg_gen_movi_i%u(%s, 0);\n", val->bit_width, reg= _id); + } else if (val->type =3D=3D PREDICATE) { + char suffix =3D val->is_dotnew ? 'N' : 'V'; + EMIT_HEAD(c, "tcg_gen_movi_i%u(P%c%c, 0);\n", val->bit_width, + val->pred.id, suffix); + } else { + yyassert(c, locp, false, "Invalid arg type!"); + } + } + + /* Free argument init list once we have initialized everything */ + g_array_free(c->inst.init_list, TRUE); + c->inst.init_list =3D NULL; +} + +void gen_inst_code(Context *c, YYLTYPE *locp) +{ + if (c->inst.error_count !=3D 0) { + fprintf(stderr, + "Parsing of instruction %s generated %d errors!\n", + c->inst.name->str, + c->inst.error_count); + } else { + free_variables(c, locp); + c->implemented_insn++; + fprintf(c->enabled_file, "%s\n", c->inst.name->str); + emit_footer(c); + commit(c); + } + free_instruction(c); +} + +void gen_pred_assign(Context *c, YYLTYPE *locp, HexValue *left_pred, + HexValue *right_pred) +{ + char pred_id[2] =3D {left_pred->pred.id, 0}; + bool is_direct =3D is_direct_predicate(left_pred); + HexValue r =3D rvalue_materialize(c, locp, right_pred); + r =3D gen_rvalue_truncate(c, locp, &r); + yyassert(c, locp, !is_inside_ternary(c), + "Predicate assign not allowed in ternary!"); + /* Extract predicate TCGv */ + if (is_direct) { + *left_pred =3D gen_tmp_value(c, locp, "0", 32, UNSIGNED); + } + /* Extract first 8 bits, and store new predicate value */ + OUT(c, locp, "tcg_gen_mov_i32(", left_pred, ", ", &r, ");\n"); + OUT(c, locp, "tcg_gen_andi_i32(", left_pred, ", ", left_pred, + ", 0xff);\n"); + if (is_direct) { + OUT(c, locp, "gen_log_pred_write(ctx, ", pred_id, ", ", left_pred, + ");\n"); + OUT(c, locp, "ctx_log_pred_write(ctx, ", pred_id, ");\n"); + gen_rvalue_free(c, locp, left_pred); + } + /* Free temporary value */ + gen_rvalue_free(c, locp, &r); +} + +void gen_load(Context *c, YYLTYPE *locp, HexValue *width, + HexSignedness signedness, HexValue *ea, HexValue *dst) +{ + char size_suffix[4] =3D {0}; + const char *sign_suffix; + /* Memop width is specified in the load macro */ + assert_signedness(c, locp, signedness); + sign_suffix =3D (width->imm.value > 4) + ? "" + : ((signedness =3D=3D UNSIGNED) ? "u" : "s"); + /* If dst is a variable, assert that is declared and load the type inf= o */ + if (dst->type =3D=3D VARID) { + find_variable(c, locp, dst, dst); + } + + snprintf(size_suffix, 4, "%" PRIu64, width->imm.value * 8); + /* Lookup the effective address EA */ + find_variable(c, locp, ea, ea); + OUT(c, locp, "if (insn->slot =3D=3D 0 && pkt->pkt_has_store_s1) {\n"); + OUT(c, locp, "probe_noshuf_load(", ea, ", ", width, ", ctx->mem_idx);\= n"); + OUT(c, locp, "process_store(ctx, pkt, 1);\n"); + if (c->inst.in_if_branch) { + OUT(c, locp, "tcg_gen_movi_tl(hex_did_s1_store, 1);\n"); + OUT(c, locp, "ctx->insn_is_noshuf_pload =3D true;\n"); + } + OUT(c, locp, "}\n"); + OUT(c, locp, "tcg_gen_qemu_ld", size_suffix, sign_suffix); + OUT(c, locp, "("); + if (dst->bit_width > width->imm.value * 8) { + /* + * Cast to the correct TCG type if necessary, to avoid implict cast + * warnings. This is needed when the width of the destination var = is + * larger than the size of the requested load. + */ + OUT(c, locp, "(TCGv) "); + } + OUT(c, locp, dst, ", ", ea, ", ctx->mem_idx);\n"); + /* If the var in EA was truncated it is now a tmp HexValue, so free it= . */ + gen_rvalue_free(c, locp, ea); +} + +void gen_store(Context *c, YYLTYPE *locp, HexValue *width, HexValue *ea, + HexValue *src) +{ + HexValue src_m =3D *src; + /* Memop width is specified in the store macro */ + unsigned mem_width =3D width->imm.value; + /* Lookup the effective address EA */ + find_variable(c, locp, ea, ea); + src_m =3D rvalue_materialize(c, locp, &src_m); + OUT(c, locp, "gen_store", &mem_width, "(cpu_env, ", ea, ", ", &src_m); + OUT(c, locp, ", ctx, insn->slot);\n"); + gen_rvalue_free(c, locp, &src_m); + /* If the var in ea was truncated it is now a tmp HexValue, so free it= . */ + gen_rvalue_free(c, locp, ea); +} + +void gen_sethalf(Context *c, YYLTYPE *locp, HexCast *sh, HexValue *n, + HexValue *dst, HexValue *value) +{ + yyassert(c, locp, n->type =3D=3D IMMEDIATE, + "Deposit index must be immediate!\n"); + if (dst->type =3D=3D VARID) { + find_variable(c, locp, dst, dst); + } + + gen_deposit_op(c, locp, dst, value, n, sh); +} + +void gen_setbits(Context *c, YYLTYPE *locp, HexValue *hi, HexValue *lo, + HexValue *dst, HexValue *value) +{ + unsigned len; + HexValue tmp; + + yyassert(c, locp, hi->type =3D=3D IMMEDIATE && + hi->imm.type =3D=3D VALUE && + lo->type =3D=3D IMMEDIATE && + lo->imm.type =3D=3D VALUE, + "Range deposit needs immediate values!\n"); + + *value =3D gen_rvalue_truncate(c, locp, value); + len =3D hi->imm.value + 1 - lo->imm.value; + tmp =3D gen_tmp(c, locp, 32, value->signedness); + /* Emit an `and` to ensure `value` is either 0 or 1. */ + OUT(c, locp, "tcg_gen_andi_i32(", &tmp, ", ", value, ", 1);\n"); + /* Use `neg` to map 0 -> 0 and 1 -> 0xffff... */ + OUT(c, locp, "tcg_gen_neg_i32(", &tmp, ", ", &tmp, ");\n"); + OUT(c, locp, "tcg_gen_deposit_i32(", dst, ", ", dst, + ", ", &tmp, ", "); + OUT(c, locp, lo, ", ", &len, ");\n"); + + gen_rvalue_free(c, locp, &tmp); + gen_rvalue_free(c, locp, hi); + gen_rvalue_free(c, locp, lo); + gen_rvalue_free(c, locp, value); +} + +unsigned gen_if_cond(Context *c, YYLTYPE *locp, HexValue *cond) +{ + const char *bit_suffix; + /* Generate an end label, if false branch to that label */ + OUT(c, locp, "TCGLabel *if_label_", &c->inst.if_count, + " =3D gen_new_label();\n"); + *cond =3D rvalue_materialize(c, locp, cond); + bit_suffix =3D (cond->bit_width =3D=3D 64) ? "i64" : "i32"; + OUT(c, locp, "tcg_gen_brcondi_", bit_suffix, "(TCG_COND_EQ, ", cond, + ", 0, if_label_", &c->inst.if_count, ");\n"); + gen_rvalue_free(c, locp, cond); + return c->inst.if_count++; +} + +unsigned gen_if_else(Context *c, YYLTYPE *locp, unsigned index) +{ + unsigned if_index =3D c->inst.if_count++; + /* Generate label to jump if else is not verified */ + OUT(c, locp, "TCGLabel *if_label_", &if_index, + " =3D gen_new_label();\n"); + /* Jump out of the else statement */ + OUT(c, locp, "tcg_gen_br(if_label_", &if_index, ");\n"); + /* Fix the else label */ + OUT(c, locp, "gen_set_label(if_label_", &index, ");\n"); + return if_index; +} + +HexValue gen_rvalue_pred(Context *c, YYLTYPE *locp, HexValue *pred) +{ + /* Predicted instructions need to zero out result args */ + gen_inst_init_args(c, locp); + + if (is_direct_predicate(pred)) { + bool is_dotnew =3D pred->is_dotnew; + char predicate_id[2] =3D { pred->pred.id, '\0' }; + char *pred_str =3D (char *) &predicate_id; + *pred =3D gen_tmp_value(c, locp, "0", 32, UNSIGNED); + if (is_dotnew) { + OUT(c, locp, "tcg_gen_mov_i32(", pred, + ", hex_new_pred_value["); + OUT(c, locp, pred_str, "]);\n"); + } else { + OUT(c, locp, "gen_read_preg(", pred, ", ", pred_str, ");\n"); + } + } + + return *pred; +} + +HexValue gen_rvalue_var(Context *c, YYLTYPE *locp, HexValue *var) +{ + find_variable(c, locp, var, var); + return *var; +} + +HexValue gen_rvalue_mpy(Context *c, YYLTYPE *locp, HexMpy *mpy, + HexValue *op1, HexValue *op2) +{ + HexValue res; + memset(&res, 0, sizeof(HexValue)); + + assert_signedness(c, locp, mpy->first_signedness); + assert_signedness(c, locp, mpy->second_signedness); + + *op1 =3D gen_cast_op(c, locp, op1, mpy->first_bit_width * 2, + mpy->first_signedness); + /* Handle fMPTY3216.. */ + if (mpy->first_bit_width =3D=3D 32) { + *op2 =3D gen_cast_op(c, locp, op2, 64, mpy->second_signedness); + } else { + *op2 =3D gen_cast_op(c, locp, op2, mpy->second_bit_width * 2, + mpy->second_signedness); + } + res =3D gen_bin_op(c, locp, MUL_OP, op1, op2); + /* Handle special cases required by the language */ + if (mpy->first_bit_width =3D=3D 16 && mpy->second_bit_width =3D=3D 16)= { + HexValue src_width =3D gen_imm_value(c, locp, 32, 32, UNSIGNED); + HexSignedness signedness =3D bin_op_signedness(c, locp, + mpy->first_signedness, + mpy->second_signednes= s); + res =3D gen_extend_op(c, locp, &src_width, 64, &res, + signedness); + } + return res; +} + +static inline HexValue gen_rvalue_simple_unary(Context *c, YYLTYPE *locp, + HexValue *value, + const char *c_code, + const char *tcg_code) +{ + unsigned bit_width =3D (value->bit_width =3D=3D 64) ? 64 : 32; + HexValue res; + if (value->type =3D=3D IMMEDIATE) { + res =3D gen_imm_qemu_tmp(c, locp, bit_width, value->signedness); + gen_c_int_type(c, locp, value->bit_width, value->signedness); + OUT(c, locp, " ", &res, " =3D ", c_code, "(", value, ");\n"); + } else { + res =3D gen_tmp(c, locp, bit_width, value->signedness); + OUT(c, locp, tcg_code, "_i", &bit_width, "(", &res, ", ", value, + ");\n"); + gen_rvalue_free(c, locp, value); + } + return res; +} + + +HexValue gen_rvalue_not(Context *c, YYLTYPE *locp, HexValue *value) +{ + return gen_rvalue_simple_unary(c, locp, value, "~", "tcg_gen_not"); +} + +HexValue gen_rvalue_notl(Context *c, YYLTYPE *locp, HexValue *value) +{ + unsigned bit_width =3D (value->bit_width =3D=3D 64) ? 64 : 32; + HexValue res; + if (value->type =3D=3D IMMEDIATE) { + res =3D gen_imm_qemu_tmp(c, locp, bit_width, value->signedness); + gen_c_int_type(c, locp, value->bit_width, value->signedness); + OUT(c, locp, " ", &res, " =3D !(", value, ");\n"); + } else { + HexValue zero =3D gen_constant(c, locp, "0", bit_width, UNSIGNED); + HexValue one =3D gen_constant(c, locp, "0xff", bit_width, UNSIGNED= ); + res =3D gen_tmp(c, locp, bit_width, value->signedness); + OUT(c, locp, "tcg_gen_movcond_i", &bit_width); + OUT(c, locp, "(TCG_COND_EQ, ", &res, ", ", value, ", ", &zero); + OUT(c, locp, ", ", &one, ", ", &zero, ");\n"); + gen_rvalue_free(c, locp, value); + } + return res; +} + +HexValue gen_rvalue_sat(Context *c, YYLTYPE *locp, HexSat *sat, + HexValue *width, HexValue *value) +{ + const char *unsigned_str; + const char *bit_suffix =3D (value->bit_width =3D=3D 64) ? "i64" : "i32= "; + HexValue res; + HexValue ovfl; + /* + * Note: all saturates are assumed to implicitly set overflow. + * This assumption holds for the instructions currently parsed + * by idef-parser. + */ + yyassert(c, locp, width->imm.value < value->bit_width, + "To compute overflow, source width must be greater than" + " saturation width!"); + yyassert(c, locp, !is_inside_ternary(c), + "Saturating from within a ternary is not allowed!"); + assert_signedness(c, locp, sat->signedness); + + unsigned_str =3D (sat->signedness =3D=3D UNSIGNED) ? "u" : ""; + res =3D gen_tmp_local(c, locp, value->bit_width, sat->signedness); + ovfl =3D gen_tmp_local(c, locp, 32, sat->signedness); + OUT(c, locp, "gen_sat", unsigned_str, "_", bit_suffix, "_ovfl("); + OUT(c, locp, &ovfl, ", ", &res, ", ", value, ", ", &width->imm.value, + ");\n"); + OUT(c, locp, "gen_set_usr_field_if(USR_OVF,", &ovfl, ");\n"); + gen_rvalue_free(c, locp, value); + + return res; +} + +HexValue gen_rvalue_fscr(Context *c, YYLTYPE *locp, HexValue *value) +{ + HexValue key =3D gen_tmp(c, locp, 64, UNSIGNED); + HexValue res =3D gen_tmp(c, locp, 64, UNSIGNED); + HexValue frame_key =3D gen_tmp(c, locp, 32, UNSIGNED); + *value =3D gen_rvalue_extend(c, locp, value); + OUT(c, locp, "gen_read_reg(", &frame_key, ", HEX_REG_FRAMEKEY);\n"); + OUT(c, locp, "tcg_gen_concat_i32_i64(", + &key, ", ", &frame_key, ", ", &frame_key, ");\n"); + OUT(c, locp, "tcg_gen_xor_i64(", &res, ", ", value, ", ", &key, ");\n"= ); + gen_rvalue_free(c, locp, &key); + gen_rvalue_free(c, locp, &frame_key); + gen_rvalue_free(c, locp, value); + return res; +} + +HexValue gen_rvalue_abs(Context *c, YYLTYPE *locp, HexValue *value) +{ + return gen_rvalue_simple_unary(c, locp, value, "abs", "tcg_gen_abs"); +} + +HexValue gen_rvalue_neg(Context *c, YYLTYPE *locp, HexValue *value) +{ + return gen_rvalue_simple_unary(c, locp, value, "-", "tcg_gen_neg"); +} + +HexValue gen_rvalue_brev(Context *c, YYLTYPE *locp, HexValue *value) +{ + HexValue res; + yyassert(c, locp, value->bit_width <=3D 32, + "fbrev not implemented for 64-bit integers!"); + res =3D gen_tmp(c, locp, value->bit_width, value->signedness); + *value =3D rvalue_materialize(c, locp, value); + OUT(c, locp, "gen_helper_fbrev(", &res, ", ", value, ");\n"); + gen_rvalue_free(c, locp, value); + return res; +} + +HexValue gen_rvalue_ternary(Context *c, YYLTYPE *locp, HexValue *cond, + HexValue *true_branch, HexValue *false_branch) +{ + bool is_64bit =3D (true_branch->bit_width =3D=3D 64) || + (false_branch->bit_width =3D=3D 64); + unsigned bit_width =3D (is_64bit) ? 64 : 32; + HexValue zero =3D gen_constant(c, locp, "0", bit_width, UNSIGNED); + HexValue res =3D gen_tmp(c, locp, bit_width, UNSIGNED); + Ternary *ternary =3D NULL; + + if (is_64bit) { + *cond =3D gen_rvalue_extend(c, locp, cond); + *true_branch =3D gen_rvalue_extend(c, locp, true_branch); + *false_branch =3D gen_rvalue_extend(c, locp, false_branch); + } else { + *cond =3D gen_rvalue_truncate(c, locp, cond); + } + *cond =3D rvalue_materialize(c, locp, cond); + *true_branch =3D rvalue_materialize(c, locp, true_branch); + *false_branch =3D rvalue_materialize(c, locp, false_branch); + + OUT(c, locp, "tcg_gen_movcond_i", &bit_width); + OUT(c, locp, "(TCG_COND_NE, ", &res, ", ", cond, ", ", &zero); + OUT(c, locp, ", ", true_branch, ", ", false_branch, ");\n"); + + assert(c->ternary->len > 0); + ternary =3D &g_array_index(c->ternary, Ternary, c->ternary->len - 1); + gen_rvalue_free_manual(c, locp, &ternary->cond); + g_array_remove_index(c->ternary, c->ternary->len - 1); + + gen_rvalue_free(c, locp, cond); + gen_rvalue_free(c, locp, true_branch); + gen_rvalue_free(c, locp, false_branch); + return res; +} + +const char *cond_to_str(TCGCond cond) +{ + switch (cond) { + case TCG_COND_NEVER: + return "TCG_COND_NEVER"; + case TCG_COND_ALWAYS: + return "TCG_COND_ALWAYS"; + case TCG_COND_EQ: + return "TCG_COND_EQ"; + case TCG_COND_NE: + return "TCG_COND_NE"; + case TCG_COND_LT: + return "TCG_COND_LT"; + case TCG_COND_GE: + return "TCG_COND_GE"; + case TCG_COND_LE: + return "TCG_COND_LE"; + case TCG_COND_GT: + return "TCG_COND_GT"; + case TCG_COND_LTU: + return "TCG_COND_LTU"; + case TCG_COND_GEU: + return "TCG_COND_GEU"; + case TCG_COND_LEU: + return "TCG_COND_LEU"; + case TCG_COND_GTU: + return "TCG_COND_GTU"; + default: + abort(); + } +} + +void emit_arg(Context *c, YYLTYPE *locp, HexValue *arg) +{ + switch (arg->type) { + case REGISTER_ARG: + if (arg->reg.type =3D=3D DOTNEW) { + EMIT_SIG(c, ", TCGv N%cN", arg->reg.id); + } else { + bool is64 =3D (arg->bit_width =3D=3D 64); + const char *type =3D is64 ? "TCGv_i64" : "TCGv_i32"; + char reg_id[5]; + reg_compose(c, locp, &(arg->reg), reg_id); + EMIT_SIG(c, ", %s %s", type, reg_id); + /* MuV register requires also MuN to provide its index */ + if (arg->reg.type =3D=3D MODIFIER) { + EMIT_SIG(c, ", int MuN"); + } + } + break; + case PREDICATE: + { + char suffix =3D arg->is_dotnew ? 'N' : 'V'; + EMIT_SIG(c, ", TCGv P%c%c", arg->pred.id, suffix); + } + break; + default: + { + fprintf(stderr, "emit_arg got unsupported argument!"); + abort(); + } + } +} + +void emit_footer(Context *c) +{ + EMIT(c, "}\n"); + EMIT(c, "\n"); +} + +void track_string(Context *c, GString *s) +{ + g_array_append_val(c->inst.strings, s); +} + +void free_variables(Context *c, YYLTYPE *locp) +{ + for (unsigned i =3D 0; i < c->inst.allocated->len; ++i) { + Var *var =3D &g_array_index(c->inst.allocated, Var, i); + const char *suffix =3D var->bit_width =3D=3D 64 ? "i64" : "i32"; + OUT(c, locp, "tcg_temp_free_", suffix, "(", var->name->str, ");\n"= ); + } +} + +void free_instruction(Context *c) +{ + assert(!is_inside_ternary(c)); + /* Free the strings */ + g_string_truncate(c->signature_str, 0); + g_string_truncate(c->out_str, 0); + g_string_truncate(c->header_str, 0); + /* Free strings allocated by the instruction */ + for (unsigned i =3D 0; i < c->inst.strings->len; i++) { + g_string_free(g_array_index(c->inst.strings, GString*, i), TRUE); + } + g_array_free(c->inst.strings, TRUE); + /* Free INAME token value */ + g_string_free(c->inst.name, TRUE); + /* Free variables and registers */ + g_array_free(c->inst.allocated, TRUE); + /* Initialize instruction-specific portion of the context */ + memset(&(c->inst), 0, sizeof(Inst)); +} + +void assert_signedness(Context *c, + YYLTYPE *locp, + HexSignedness signedness) +{ + yyassert(c, locp, + signedness !=3D UNKNOWN_SIGNEDNESS, + "Unspecified signedness"); +} diff --git a/target/hexagon/idef-parser/parser-helpers.h b/target/hexagon/i= def-parser/parser-helpers.h new file mode 100644 index 0000000000..31a4e80386 --- /dev/null +++ b/target/hexagon/idef-parser/parser-helpers.h @@ -0,0 +1,372 @@ +/* + * Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef PARSER_HELPERS_H +#define PARSER_HELPERS_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "tcg/tcg-cond.h" + +#include "idef-parser.tab.h" +#include "idef-parser.yy.h" +#include "idef-parser.h" + +/* Decomment this to disable yyasserts */ +/* #define NDEBUG */ + +#define ERR_LINE_CONTEXT 40 + +#define START_COMMENT "/" "*" +#define END_COMMENT "*" "/" + +void yyerror(YYLTYPE *locp, + yyscan_t scanner __attribute__((unused)), + Context *c, + const char *s); + +#ifndef NDEBUG +#define yyassert(context, locp, condition, msg) \ + if (!(condition)) { \ + yyerror(locp, (context)->scanner, (context), (msg)); \ + } +#endif + +bool is_direct_predicate(HexValue *value); + +bool is_inside_ternary(Context *c); + +/** + * Print functions + */ + +void str_print(Context *c, YYLTYPE *locp, const char *string); + +void uint8_print(Context *c, YYLTYPE *locp, uint8_t *num); + +void uint64_print(Context *c, YYLTYPE *locp, uint64_t *num); + +void int_print(Context *c, YYLTYPE *locp, int *num); + +void uint_print(Context *c, YYLTYPE *locp, unsigned *num); + +void tmp_print(Context *c, YYLTYPE *locp, HexTmp *tmp); + +void pred_print(Context *c, YYLTYPE *locp, HexPred *pred, bool is_dotnew); + +void reg_compose(Context *c, YYLTYPE *locp, HexReg *reg, char reg_id[5]); + +void reg_print(Context *c, YYLTYPE *locp, HexReg *reg); + +void imm_print(Context *c, YYLTYPE *locp, HexImm *imm); + +void var_print(Context *c, YYLTYPE *locp, HexVar *var); + +void rvalue_print(Context *c, YYLTYPE *locp, void *pointer); + +void out_assert(Context *c, YYLTYPE *locp, void *dummy); + +/** + * Copies output code buffer into stdout + */ +void commit(Context *c); + +#define OUT_IMPL(c, locp, x) \ + _Generic(*(x), \ + char: str_print, \ + uint8_t: uint8_print, \ + uint64_t: uint64_print, \ + int: int_print, \ + unsigned: uint_print, \ + HexValue: rvalue_print, \ + default: out_assert \ + )(c, locp, x); + +/* FOREACH macro */ +#define FE_1(c, locp, WHAT, X) WHAT(c, locp, X) +#define FE_2(c, locp, WHAT, X, ...) \ + WHAT(c, locp, X)FE_1(c, locp, WHAT, __VA_ARGS__) +#define FE_3(c, locp, WHAT, X, ...) \ + WHAT(c, locp, X)FE_2(c, locp, WHAT, __VA_ARGS__) +#define FE_4(c, locp, WHAT, X, ...) \ + WHAT(c, locp, X)FE_3(c, locp, WHAT, __VA_ARGS__) +#define FE_5(c, locp, WHAT, X, ...) \ + WHAT(c, locp, X)FE_4(c, locp, WHAT, __VA_ARGS__) +#define FE_6(c, locp, WHAT, X, ...) \ + WHAT(c, locp, X)FE_5(c, locp, WHAT, __VA_ARGS__) +#define FE_7(c, locp, WHAT, X, ...) \ + WHAT(c, locp, X)FE_6(c, locp, WHAT, __VA_ARGS__) +#define FE_8(c, locp, WHAT, X, ...) \ + WHAT(c, locp, X)FE_7(c, locp, WHAT, __VA_ARGS__) +#define FE_9(c, locp, WHAT, X, ...) \ + WHAT(c, locp, X)FE_8(c, locp, WHAT, __VA_ARGS__) +/* repeat as needed */ + +#define GET_MACRO(_1, _2, _3, _4, _5, _6, _7, _8, _9, NAME, ...) NAME + +#define FOR_EACH(c, locp, action, ...) \ + do { \ + GET_MACRO(__VA_ARGS__, \ + FE_9, \ + FE_8, \ + FE_7, \ + FE_6, \ + FE_5, \ + FE_4, \ + FE_3, \ + FE_2, \ + FE_1)(c, locp, action, \ + __VA_ARGS__) \ + } while (0) + +#define OUT(c, locp, ...) FOR_EACH((c), (locp), OUT_IMPL, __VA_ARGS__) + +const char *cmp_swap(Context *c, YYLTYPE *locp, const char *type); + +/** + * Temporary values creation + */ + +HexValue gen_tmp(Context *c, + YYLTYPE *locp, + unsigned bit_width, + HexSignedness signedness); + +HexValue gen_tmp_value(Context *c, + YYLTYPE *locp, + const char *value, + unsigned bit_width, + HexSignedness signedness); + +HexValue gen_imm_value(Context *c __attribute__((unused)), + YYLTYPE *locp, + int value, + unsigned bit_width, + HexSignedness signedness); + +HexValue gen_imm_qemu_tmp(Context *c, YYLTYPE *locp, unsigned bit_width, + HexSignedness signedness); + +void gen_rvalue_free(Context *c, YYLTYPE *locp, HexValue *rvalue); + +HexValue rvalue_materialize(Context *c, YYLTYPE *locp, HexValue *rvalue); + +HexValue gen_rvalue_extend(Context *c, YYLTYPE *locp, HexValue *rvalue); + +HexValue gen_rvalue_truncate(Context *c, YYLTYPE *locp, HexValue *rvalue); + +void gen_varid_allocate(Context *c, + YYLTYPE *locp, + HexValue *varid, + unsigned bit_width, + HexSignedness signedness); + +/** + * Code generation functions + */ + +HexValue gen_bin_cmp(Context *c, + YYLTYPE *locp, + TCGCond type, + HexValue *op1, + HexValue *op2); + +HexValue gen_bin_op(Context *c, + YYLTYPE *locp, + OpType type, + HexValue *op1, + HexValue *op2); + +HexValue gen_cast_op(Context *c, + YYLTYPE *locp, + HexValue *src, + unsigned target_width, + HexSignedness signedness); + +/** + * gen_extend_op extends a region of src_width_ptr bits stored in a + * value_ptr to the size of dst_width. Note: src_width_ptr is a + * HexValue * to handle the special case where it is unknown at + * translation time. + */ +HexValue gen_extend_op(Context *c, + YYLTYPE *locp, + HexValue *src_width, + unsigned dst_width, + HexValue *value, + HexSignedness signedness); + +void gen_rdeposit_op(Context *c, + YYLTYPE *locp, + HexValue *dst, + HexValue *value, + HexValue *begin, + HexValue *width); + +void gen_deposit_op(Context *c, + YYLTYPE *locp, + HexValue *dst, + HexValue *value, + HexValue *index, + HexCast *cast); + +HexValue gen_rextract_op(Context *c, + YYLTYPE *locp, + HexValue *src, + unsigned begin, + unsigned width); + +HexValue gen_extract_op(Context *c, + YYLTYPE *locp, + HexValue *src, + HexValue *index, + HexExtract *extract); + +HexValue gen_read_reg(Context *c, YYLTYPE *locp, HexValue *reg); + +void gen_write_reg(Context *c, YYLTYPE *locp, HexValue *reg, HexValue *val= ue); + +void gen_assign(Context *c, + YYLTYPE *locp, + HexValue *dst, + HexValue *value); + +HexValue gen_convround(Context *c, + YYLTYPE *locp, + HexValue *src); + +HexValue gen_round(Context *c, + YYLTYPE *locp, + HexValue *src, + HexValue *position); + +HexValue gen_convround_n(Context *c, + YYLTYPE *locp, + HexValue *src, + HexValue *pos); + +/** + * Circular addressing mode with auto-increment + */ +void gen_circ_op(Context *c, + YYLTYPE *locp, + HexValue *addr, + HexValue *increment, + HexValue *modifier); + +HexValue gen_locnt_op(Context *c, YYLTYPE *locp, HexValue *src); + +HexValue gen_ctpop_op(Context *c, YYLTYPE *locp, HexValue *src); + +HexValue gen_rotl(Context *c, YYLTYPE *locp, HexValue *src, HexValue *n); + +HexValue gen_deinterleave(Context *c, YYLTYPE *locp, HexValue *mixed); + +HexValue gen_interleave(Context *c, + YYLTYPE *locp, + HexValue *odd, + HexValue *even); + +HexValue gen_carry_from_add(Context *c, + YYLTYPE *locp, + HexValue *op1, + HexValue *op2, + HexValue *op3); + +void gen_addsat64(Context *c, + YYLTYPE *locp, + HexValue *dst, + HexValue *op1, + HexValue *op2); + +void gen_inst(Context *c, GString *iname); + +void gen_inst_init_args(Context *c, YYLTYPE *locp); + +void gen_inst_code(Context *c, YYLTYPE *locp); + +void gen_pred_assign(Context *c, YYLTYPE *locp, HexValue *left_pred, + HexValue *right_pred); + +void gen_load(Context *c, YYLTYPE *locp, HexValue *size, + HexSignedness signedness, HexValue *ea, HexValue *dst); + +void gen_store(Context *c, YYLTYPE *locp, HexValue *size, HexValue *ea, + HexValue *src); + +void gen_sethalf(Context *c, YYLTYPE *locp, HexCast *sh, HexValue *n, + HexValue *dst, HexValue *value); + +void gen_setbits(Context *c, YYLTYPE *locp, HexValue *hi, HexValue *lo, + HexValue *dst, HexValue *value); + +unsigned gen_if_cond(Context *c, YYLTYPE *locp, HexValue *cond); + +unsigned gen_if_else(Context *c, YYLTYPE *locp, unsigned index); + +HexValue gen_rvalue_pred(Context *c, YYLTYPE *locp, HexValue *pred); + +HexValue gen_rvalue_var(Context *c, YYLTYPE *locp, HexValue *var); + +HexValue gen_rvalue_mpy(Context *c, YYLTYPE *locp, HexMpy *mpy, HexValue *= op1, + HexValue *op2); + +HexValue gen_rvalue_not(Context *c, YYLTYPE *locp, HexValue *value); + +HexValue gen_rvalue_notl(Context *c, YYLTYPE *locp, HexValue *value); + +HexValue gen_rvalue_sat(Context *c, YYLTYPE *locp, HexSat *sat, HexValue *= n, + HexValue *value); + +HexValue gen_rvalue_fscr(Context *c, YYLTYPE *locp, HexValue *value); + +HexValue gen_rvalue_abs(Context *c, YYLTYPE *locp, HexValue *value); + +HexValue gen_rvalue_neg(Context *c, YYLTYPE *locp, HexValue *value); + +HexValue gen_rvalue_brev(Context *c, YYLTYPE *locp, HexValue *value); + +HexValue gen_rvalue_ternary(Context *c, YYLTYPE *locp, HexValue *cond, + HexValue *true_branch, HexValue *false_branch); + +const char *cond_to_str(TCGCond cond); + +void emit_header(Context *c); + +void emit_arg(Context *c, YYLTYPE *locp, HexValue *arg); + +void emit_footer(Context *c); + +void track_string(Context *c, GString *s); + +void free_variables(Context *c, YYLTYPE *locp); + +void free_instruction(Context *c); + +void assert_signedness(Context *c, + YYLTYPE *locp, + HexSignedness signedness); + +#endif /* PARSER_HELPERS_h */ diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build index ceb858bfab..dc2aed65b3 100644 --- a/target/hexagon/meson.build +++ b/target/hexagon/meson.build @@ -203,6 +203,35 @@ if idef_parser_enabled output: ['@BASENAME@.yy.c', '@BASENAME@.yy.h'], arguments: ['-o', '@OUTPUT0@', '--header-file=3D@OUTPUT1@', '@INPU= T@'] ) + + bison =3D generator( + find_program('bison'), + output: ['@BASENAME@.tab.c', '@BASENAME@.tab.h'], + arguments: ['@INPUT@', '--defines=3D@OUTPUT1@', '--output=3D@OUTPU= T0@'] + ) + + glib_dep =3D dependency('glib-2.0', native: true) + + idef_parser =3D executable( + 'idef-parser', + [flex.process(idef_parser_dir / 'idef-parser.lex'), + bison.process(idef_parser_dir / 'idef-parser.y'), + idef_parser_dir / 'parser-helpers.c'], + include_directories: ['idef-parser', '../../include/'], + dependencies: [glib_dep], + c_args: ['-Wextra'], + native: true + ) + + idef_generated_tcg =3D custom_target( + 'idef-generated-tcg', + output: ['idef-generated-emitter.c', + 'idef-generated-emitter.h.inc', + 'idef-generated-enabled-instructions'], + input: preprocessed_idef_parser_input_generated, + depend_files: [hex_common_py], + command: [idef_parser, '@INPUT@', '@OUTPUT0@', '@OUTPUT1@', '@OUTP= UT2@'] + ) endif =20 target_arch +=3D {'hexagon': hexagon_ss} --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659615636521100001 Content-Type: text/plain; charset="utf-8" From: Alessandro Di Federico Extend gen_tcg_funcs.py in order to emit calls to the functions emitted by the idef-parser, if available. Signed-off-by: Alessandro Di Federico Signed-off-by: Anton Johansson Reviewed-by: Taylor Simpson --- target/hexagon/gen_helper_funcs.py | 17 ++++- target/hexagon/gen_helper_protos.py | 17 ++++- target/hexagon/gen_tcg_funcs.py | 41 ++++++++++- target/hexagon/hex_common.py | 10 +++ target/hexagon/meson.build | 103 ++++++++++++++++++++-------- 5 files changed, 154 insertions(+), 34 deletions(-) diff --git a/target/hexagon/gen_helper_funcs.py b/target/hexagon/gen_helper= _funcs.py index a446c45384..71d611283a 100755 --- a/target/hexagon/gen_helper_funcs.py +++ b/target/hexagon/gen_helper_funcs.py @@ -287,11 +287,24 @@ def main(): hex_common.read_attribs_file(sys.argv[2]) hex_common.read_overrides_file(sys.argv[3]) hex_common.read_overrides_file(sys.argv[4]) + ## Whether or not idef-parser is enabled is + ## determined by the number of arguments to + ## this script: + ## + ## 5 args. -> not enabled, + ## 6 args. -> idef-parser enabled. + ## + ## The 6:th arg. then holds a list of the successfully + ## parsed instructions. + is_idef_parser_enabled =3D len(sys.argv) > 6 + if is_idef_parser_enabled: + hex_common.read_idef_parser_enabled_file(sys.argv[5]) hex_common.calculate_attribs() tagregs =3D hex_common.get_tagregs() tagimms =3D hex_common.get_tagimms() =20 - with open(sys.argv[5], 'w') as f: + output_file =3D sys.argv[-1] + with open(output_file, 'w') as f: for tag in hex_common.tags: ## Skip the priv instructions if ( "A_PRIV" in hex_common.attribdict[tag] ) : @@ -308,6 +321,8 @@ def main(): continue if ( hex_common.skip_qemu_helper(tag) ): continue + if ( hex_common.is_idef_parser_enabled(tag) ): + continue =20 gen_helper_function(f, tag, tagregs, tagimms) =20 diff --git a/target/hexagon/gen_helper_protos.py b/target/hexagon/gen_helpe= r_protos.py index 3b4e993fd1..74eff457a6 100755 --- a/target/hexagon/gen_helper_protos.py +++ b/target/hexagon/gen_helper_protos.py @@ -136,11 +136,24 @@ def main(): hex_common.read_attribs_file(sys.argv[2]) hex_common.read_overrides_file(sys.argv[3]) hex_common.read_overrides_file(sys.argv[4]) + ## Whether or not idef-parser is enabled is + ## determined by the number of arguments to + ## this script: + ## + ## 5 args. -> not enabled, + ## 6 args. -> idef-parser enabled. + ## + ## The 6:th arg. then holds a list of the successfully + ## parsed instructions. + is_idef_parser_enabled =3D len(sys.argv) > 6 + if is_idef_parser_enabled: + hex_common.read_idef_parser_enabled_file(sys.argv[5]) hex_common.calculate_attribs() tagregs =3D hex_common.get_tagregs() tagimms =3D hex_common.get_tagimms() =20 - with open(sys.argv[5], 'w') as f: + output_file =3D sys.argv[-1] + with open(output_file, 'w') as f: for tag in hex_common.tags: ## Skip the priv instructions if ( "A_PRIV" in hex_common.attribdict[tag] ) : @@ -158,6 +171,8 @@ def main(): =20 if ( hex_common.skip_qemu_helper(tag) ): continue + if ( hex_common.is_idef_parser_enabled(tag) ): + continue =20 gen_helper_prototype(f, tag, tagregs, tagimms) =20 diff --git a/target/hexagon/gen_tcg_funcs.py b/target/hexagon/gen_tcg_funcs= .py index 1fd9de95d5..4d12e192a7 100755 --- a/target/hexagon/gen_tcg_funcs.py +++ b/target/hexagon/gen_tcg_funcs.py @@ -610,7 +610,29 @@ def gen_tcg_func(f, tag, regs, imms): if (hex_common.is_read(regid)): genptr_src_read_opn(f,regtype,regid,tag) =20 - if ( hex_common.skip_qemu_helper(tag) ): + if hex_common.is_idef_parser_enabled(tag): + declared =3D [] + ## Handle registers + for regtype,regid,toss,numregs in regs: + if (hex_common.is_pair(regid) + or (hex_common.is_single(regid) + and hex_common.is_old_val(regtype, regid, tag))): + declared.append("%s%sV" % (regtype, regid)) + if regtype =3D=3D "M": + declared.append("%s%sN" % (regtype, regid)) + elif hex_common.is_new_val(regtype, regid, tag): + declared.append("%s%sN" % (regtype,regid)) + else: + print("Bad register parse: ",regtype,regid,toss,numregs) + + ## Handle immediates + for immlett,bits,immshift in imms: + declared.append(hex_common.imm_name(immlett)) + + arguments =3D ", ".join(["ctx", "insn", "pkt"] + declared) + f.write(" emit_%s(%s);\n" % (tag, arguments)) + + elif ( hex_common.skip_qemu_helper(tag) ): f.write(" fGEN_TCG_%s(%s);\n" % (tag, hex_common.semdict[tag])) else: ## Generate the call to the helper @@ -677,12 +699,27 @@ def main(): hex_common.read_overrides_file(sys.argv[3]) hex_common.read_overrides_file(sys.argv[4]) hex_common.calculate_attribs() + ## Whether or not idef-parser is enabled is + ## determined by the number of arguments to + ## this script: + ## + ## 5 args. -> not enabled, + ## 6 args. -> idef-parser enabled. + ## + ## The 6:th arg. then holds a list of the successfully + ## parsed instructions. + is_idef_parser_enabled =3D len(sys.argv) > 6 + if is_idef_parser_enabled: + hex_common.read_idef_parser_enabled_file(sys.argv[5]) tagregs =3D hex_common.get_tagregs() tagimms =3D hex_common.get_tagimms() =20 - with open(sys.argv[5], 'w') as f: + output_file =3D sys.argv[-1] + with open(output_file, 'w') as f: f.write("#ifndef HEXAGON_TCG_FUNCS_H\n") f.write("#define HEXAGON_TCG_FUNCS_H\n\n") + if is_idef_parser_enabled: + f.write("#include \"idef-generated-emitter.h.inc\"\n\n") =20 for tag in hex_common.tags: ## Skip the priv instructions diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index c81aca8d2a..901041d557 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -28,6 +28,7 @@ attribinfo =3D {} # Register information and misc tags =3D [] # list of all tags overrides =3D {} # tags with helper overrides +idef_parser_enabled =3D {} # tags enabled for idef-parser =20 # We should do this as a hash for performance, # but to keep order let's keep it as a list. @@ -216,6 +217,9 @@ def is_tmp_result(tag): def is_new_result(tag): return ('A_CVI_NEW' in attribdict[tag]) =20 +def is_idef_parser_enabled(tag): + return tag in idef_parser_enabled + def imm_name(immlett): return "%siV" % immlett =20 @@ -247,3 +251,9 @@ def read_overrides_file(name): continue tag =3D overridere.findall(line)[0] overrides[tag] =3D True + +def read_idef_parser_enabled_file(name): + global idef_parser_enabled + with open(name, "r") as idef_parser_enabled_file: + lines =3D idef_parser_enabled_file.read().strip().split("\n") + idef_parser_enabled =3D set(lines) diff --git a/target/hexagon/meson.build b/target/hexagon/meson.build index dc2aed65b3..029f1d6990 100644 --- a/target/hexagon/meson.build +++ b/target/hexagon/meson.build @@ -43,10 +43,7 @@ hexagon_ss.add(semantics_generated) # Step 2 # We use Python scripts to generate the following files # shortcode_generated.h.inc -# helper_protos_generated.h.inc -# tcg_funcs_generated.c.inc # tcg_func_table_generated.c.inc -# helper_funcs_generated.c.inc # printinsn_generated.h.inc # op_regs_generated.h.inc # op_attribs_generated.h.inc @@ -61,24 +58,6 @@ shortcode_generated =3D custom_target( ) hexagon_ss.add(shortcode_generated) =20 -helper_protos_generated =3D custom_target( - 'helper_protos_generated.h.inc', - output: 'helper_protos_generated.h.inc', - depends: [semantics_generated], - depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], - command: [python, files('gen_helper_protos.py'), semantics_generated, = attribs_def, gen_tcg_h, gen_tcg_hvx_h, '@OUTPUT@'], -) -hexagon_ss.add(helper_protos_generated) - -tcg_funcs_generated =3D custom_target( - 'tcg_funcs_generated.c.inc', - output: 'tcg_funcs_generated.c.inc', - depends: [semantics_generated], - depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], - command: [python, files('gen_tcg_funcs.py'), semantics_generated, attr= ibs_def, gen_tcg_h, gen_tcg_hvx_h, '@OUTPUT@'], -) -hexagon_ss.add(tcg_funcs_generated) - tcg_func_table_generated =3D custom_target( 'tcg_func_table_generated.c.inc', output: 'tcg_func_table_generated.c.inc', @@ -88,15 +67,6 @@ tcg_func_table_generated =3D custom_target( ) hexagon_ss.add(tcg_func_table_generated) =20 -helper_funcs_generated =3D custom_target( - 'helper_funcs_generated.c.inc', - output: 'helper_funcs_generated.c.inc', - depends: [semantics_generated], - depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], - command: [python, files('gen_helper_funcs.py'), semantics_generated, a= ttribs_def, gen_tcg_h, gen_tcg_hvx_h, '@OUTPUT@'], -) -hexagon_ss.add(helper_funcs_generated) - printinsn_generated =3D custom_target( 'printinsn_generated.h.inc', output: 'printinsn_generated.h.inc', @@ -180,6 +150,14 @@ hexagon_ss.add(files( 'mmvec/system_ext_mmvec.c', )) =20 +# +# Step 4.5 +# We use flex/bison based idef-parser to generate TCG code for a lot +# of instructions. idef-parser outputs +# idef-generated-emitter.c +# idef-generated-emitter.h.inc +# idef-generated-enabled-instructions +# idef_parser_enabled =3D get_option('hexagon_idef_parser') if idef_parser_enabled idef_parser_input_generated =3D custom_target( @@ -232,6 +210,71 @@ if idef_parser_enabled depend_files: [hex_common_py], command: [idef_parser, '@INPUT@', '@OUTPUT0@', '@OUTPUT1@', '@OUTP= UT2@'] ) + + indent =3D find_program('indent', required: false) + if indent.found() + idef_generated_tcg_c =3D custom_target( + 'indent', + input: idef_generated_tcg[0], + output: 'idef-generated-emitter.indented.c', + command: [indent, '-linux', '@INPUT@', '-o', '@OUTPUT@'] + ) + else + idef_generated_tcg_c =3D custom_target( + 'copy', + input: idef_generated_tcg[0], + output: 'idef-generated-emitter.indented.c', + command: ['cp', '@INPUT@', '@OUTPUT@'] + ) + endif + + idef_generated_list =3D idef_generated_tcg[2].full_path() + + hexagon_ss.add(idef_generated_tcg_c) + + # Setup input and dependencies for the next step, this depends on whet= her or + # not idef-parser is enabled + helper_dep =3D [semantics_generated, idef_generated_tcg_c, idef_genera= ted_tcg] + helper_in =3D [semantics_generated, attribs_def, gen_tcg_h, gen_tcg_hv= x_h, idef_generated_list] +else + # Setup input and dependencies for the next step, this depends on whet= her or + # not idef-parser is enabled + helper_dep =3D [semantics_generated] + helper_in =3D [semantics_generated, attribs_def, gen_tcg_h, gen_tcg_hv= x_h] endif =20 +# +# Step 5 +# We use Python scripts to generate the following files +# helper_protos_generated.h.inc +# helper_funcs_generated.c.inc +# tcg_funcs_generated.c.inc +# +helper_protos_generated =3D custom_target( + 'helper_protos_generated.h.inc', + output: 'helper_protos_generated.h.inc', + depends: helper_dep, + depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], + command: [python, files('gen_helper_protos.py'), helper_in, '@OUTPUT@'= ], +) +hexagon_ss.add(helper_protos_generated) + +helper_funcs_generated =3D custom_target( + 'helper_funcs_generated.c.inc', + output: 'helper_funcs_generated.c.inc', + depends: helper_dep, + depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], + command: [python, files('gen_helper_funcs.py'), helper_in, '@OUTPUT@'], +) +hexagon_ss.add(helper_funcs_generated) + +tcg_funcs_generated =3D custom_target( + 'tcg_funcs_generated.c.inc', + output: 'tcg_funcs_generated.c.inc', + depends: helper_dep, + depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h], + command: [python, files('gen_tcg_funcs.py'), helper_in, '@OUTPUT@'], +) +hexagon_ss.add(tcg_funcs_generated) + target_arch +=3D {'hexagon': hexagon_ss} --=20 2.37.0 From nobody Thu Apr 25 21:29:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1659615471; cv=none; d=zohomail.com; s=zohoarc; b=BW89aK21OFkLtzsmRdCeOgVLrQKZibvXDGM/IY7L+18McoR1+K85KRrX1ckyAu9J3TjPUcnlIwV/tyoaDqmR1VqPM5P68nuhL2gTgebATqX1vNrQ1pA2IcSlG9/vp26EDnZZMxTYfQda9SFimST42Ife83AUWgoKTe3sEdZ5JH0= 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Anton Johansson From: Anton Johansson via X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1659615473539100001 From: Niccol=C3=B2 Izzo Signed-off-by: Alessandro Di Federico Signed-off-by: Niccol=C3=B2 Izzo Signed-off-by: Anton Johansson Reviewed-by: Taylor Simpson --- tests/tcg/hexagon/Makefile.target | 28 ++++++++++++- tests/tcg/hexagon/crt.S | 14 +++++++ tests/tcg/hexagon/test_abs.S | 17 ++++++++ tests/tcg/hexagon/test_bitcnt.S | 40 +++++++++++++++++++ tests/tcg/hexagon/test_bitsplit.S | 22 ++++++++++ tests/tcg/hexagon/test_call.S | 64 ++++++++++++++++++++++++++++++ tests/tcg/hexagon/test_clobber.S | 29 ++++++++++++++ tests/tcg/hexagon/test_cmp.S | 31 +++++++++++++++ tests/tcg/hexagon/test_dotnew.S | 38 ++++++++++++++++++ tests/tcg/hexagon/test_ext.S | 13 ++++++ tests/tcg/hexagon/test_fibonacci.S | 30 ++++++++++++++ tests/tcg/hexagon/test_hl.S | 16 ++++++++ tests/tcg/hexagon/test_hwloops.S | 19 +++++++++ tests/tcg/hexagon/test_jmp.S | 22 ++++++++++ tests/tcg/hexagon/test_lsr.S | 36 +++++++++++++++++ tests/tcg/hexagon/test_mpyi.S | 17 ++++++++ tests/tcg/hexagon/test_packet.S | 29 ++++++++++++++ tests/tcg/hexagon/test_reorder.S | 33 +++++++++++++++ tests/tcg/hexagon/test_round.S | 29 ++++++++++++++ tests/tcg/hexagon/test_vavgw.S | 31 +++++++++++++++ tests/tcg/hexagon/test_vcmpb.S | 30 ++++++++++++++ tests/tcg/hexagon/test_vcmpw.S | 30 ++++++++++++++ tests/tcg/hexagon/test_vlsrw.S | 20 ++++++++++ tests/tcg/hexagon/test_vmaxh.S | 35 ++++++++++++++++ tests/tcg/hexagon/test_vminh.S | 35 ++++++++++++++++ tests/tcg/hexagon/test_vpmpyh.S | 28 +++++++++++++ tests/tcg/hexagon/test_vspliceb.S | 31 +++++++++++++++ 27 files changed, 766 insertions(+), 1 deletion(-) create mode 100644 tests/tcg/hexagon/crt.S create mode 100644 tests/tcg/hexagon/test_abs.S create mode 100644 tests/tcg/hexagon/test_bitcnt.S create mode 100644 tests/tcg/hexagon/test_bitsplit.S create mode 100644 tests/tcg/hexagon/test_call.S create mode 100644 tests/tcg/hexagon/test_clobber.S create mode 100644 tests/tcg/hexagon/test_cmp.S create mode 100644 tests/tcg/hexagon/test_dotnew.S create mode 100644 tests/tcg/hexagon/test_ext.S create mode 100644 tests/tcg/hexagon/test_fibonacci.S create mode 100644 tests/tcg/hexagon/test_hl.S create mode 100644 tests/tcg/hexagon/test_hwloops.S create mode 100644 tests/tcg/hexagon/test_jmp.S create mode 100644 tests/tcg/hexagon/test_lsr.S create mode 100644 tests/tcg/hexagon/test_mpyi.S create mode 100644 tests/tcg/hexagon/test_packet.S create mode 100644 tests/tcg/hexagon/test_reorder.S create mode 100644 tests/tcg/hexagon/test_round.S create mode 100644 tests/tcg/hexagon/test_vavgw.S create mode 100644 tests/tcg/hexagon/test_vcmpb.S create mode 100644 tests/tcg/hexagon/test_vcmpw.S create mode 100644 tests/tcg/hexagon/test_vlsrw.S create mode 100644 tests/tcg/hexagon/test_vmaxh.S create mode 100644 tests/tcg/hexagon/test_vminh.S create mode 100644 tests/tcg/hexagon/test_vpmpyh.S create mode 100644 tests/tcg/hexagon/test_vspliceb.S diff --git a/tests/tcg/hexagon/Makefile.target b/tests/tcg/hexagon/Makefile= .target index 96a4d7a614..9ee1faa1e1 100644 --- a/tests/tcg/hexagon/Makefile.target +++ b/tests/tcg/hexagon/Makefile.target @@ -24,7 +24,7 @@ CFLAGS +=3D -fno-unroll-loops HEX_SRC=3D$(SRC_PATH)/tests/tcg/hexagon VPATH +=3D $(HEX_SRC) =20 -first: $(HEX_SRC)/first.S +%: $(HEX_SRC)/%.S $(HEX_SRC)/crt.S $(CC) -static -mv67 -nostdlib $^ -o $@ =20 HEX_TESTS =3D first @@ -44,6 +44,32 @@ HEX_TESTS +=3D atomics HEX_TESTS +=3D fpstuff HEX_TESTS +=3D overflow =20 +HEX_TESTS +=3D test_abs +HEX_TESTS +=3D test_bitcnt +HEX_TESTS +=3D test_bitsplit +HEX_TESTS +=3D test_call +HEX_TESTS +=3D test_clobber +HEX_TESTS +=3D test_cmp +HEX_TESTS +=3D test_dotnew +HEX_TESTS +=3D test_ext +HEX_TESTS +=3D test_fibonacci +HEX_TESTS +=3D test_hl +HEX_TESTS +=3D test_hwloops +HEX_TESTS +=3D test_jmp +HEX_TESTS +=3D test_lsr +HEX_TESTS +=3D test_mpyi +HEX_TESTS +=3D test_packet +HEX_TESTS +=3D test_reorder +HEX_TESTS +=3D test_round +HEX_TESTS +=3D test_vavgw +HEX_TESTS +=3D test_vcmpb +HEX_TESTS +=3D test_vcmpw +HEX_TESTS +=3D test_vlsrw +HEX_TESTS +=3D test_vmaxh +HEX_TESTS +=3D test_vminh +HEX_TESTS +=3D test_vpmpyh +HEX_TESTS +=3D test_vspliceb + TESTS +=3D $(HEX_TESTS) =20 # This test has to be compiled for the -mv67t target diff --git a/tests/tcg/hexagon/crt.S b/tests/tcg/hexagon/crt.S new file mode 100644 index 0000000000..f9e6bc80f7 --- /dev/null +++ b/tests/tcg/hexagon/crt.S @@ -0,0 +1,14 @@ +#define SYS_exit_group 94 + + .text + .globl pass +pass: + r0 =3D #0 + r6 =3D #SYS_exit_group + trap0(#1) + + .globl fail +fail: + r0 =3D #1 + r6 =3D #SYS_exit_group + trap0(#1) diff --git a/tests/tcg/hexagon/test_abs.S b/tests/tcg/hexagon/test_abs.S new file mode 100644 index 0000000000..d68aea6f64 --- /dev/null +++ b/tests/tcg/hexagon/test_abs.S @@ -0,0 +1,17 @@ +/* Purpose: test example, verify the soundness of the abs operation */ + + .text + .globl _start + +_start: + { + r1 =3D #-2 + r2 =3D #2 + } + { + r3 =3D abs(r1) + } + { + p0 =3D cmp.eq(r3, r2); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_bitcnt.S b/tests/tcg/hexagon/test_bitcn= t.S new file mode 100644 index 0000000000..624460488e --- /dev/null +++ b/tests/tcg/hexagon/test_bitcnt.S @@ -0,0 +1,40 @@ +/* + * Purpose: test example, verify the soundness of the cl[01] operations. + * + * The number 0x000001aa has 23 leading zeroes + * they become 55 when considered as 64 bit register + * and it has 1 trailing zero. + */ + .text + .globl _start + +_start: + { + r0 =3D #426 + r1 =3D #0 + } + { + r2 =3D cl0(r0) + } + { + p0 =3D cmp.eq(r2, #23); if (p0.new) jump:t test2 + jump fail + } + +test2: + { + r2 =3D cl0(r1:0) + } + { + p0 =3D cmp.eq(r2, #55); if (p0.new) jump:t test3 + jump fail + } + +test3: + { + r2 =3D ct0(r0) + } + { + p0 =3D cmp.eq(r2, #1); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_bitsplit.S b/tests/tcg/hexagon/test_bit= split.S new file mode 100644 index 0000000000..275658e613 --- /dev/null +++ b/tests/tcg/hexagon/test_bitsplit.S @@ -0,0 +1,22 @@ +/* Purpose: test example, verify the soundness of the bitsplit operation */ + + .text + .globl _start + +_start: + { + r1 =3D #187 + } + { + r3:2 =3D bitsplit(r1, #3) + } + { + p0 =3D cmp.eq(r2, #3); if (p0.new) jump:t test2 + jump fail + } + +test2: + { + p0 =3D cmp.eq(r3, #23); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_call.S b/tests/tcg/hexagon/test_call.S new file mode 100644 index 0000000000..338cd04e40 --- /dev/null +++ b/tests/tcg/hexagon/test_call.S @@ -0,0 +1,64 @@ +/* + * Purpose: test function calls and duplex instructions. + * The string "Hello there, I'm a test string!" with the first letter repl= aced + * with a capital L should be printed out. + */ + +#define SYS_write 64 +#define FD_STDOUT 1 + + .text + .globl test +test: + { + jumpr r31 + memb(r0+#0) =3D #76 + } +.Lfunc_end0: +.Ltmp0: + .size test, .Ltmp0-test + + .globl _start +_start: + { + r0 =3D ##dummy_buffer + allocframe(#0) + call test + } + { + call write + } + { + deallocframe + jump pass + } +.Lfunc_end1: +.Ltmp1: + .size _start, .Ltmp1-_start + +write: + { + r6 =3D #SYS_write + r0 =3D #FD_STDOUT + r1 =3D ##dummy_buffer + r2 =3D #33 + } + { + trap0(#1) + } + { + jumpr r31 + } + +.Lfunc_end2: +.Ltmp2: + .size write, .Ltmp2-write + + .type dummy_buffer,@object + .data + .globl dummy_buffer + .p2align 3 +dummy_buffer: + .string "Hello there, I'm a test string!\n" + .space 223 + .size dummy_buffer, 256 diff --git a/tests/tcg/hexagon/test_clobber.S b/tests/tcg/hexagon/test_clob= ber.S new file mode 100644 index 0000000000..a7aeb2b60c --- /dev/null +++ b/tests/tcg/hexagon/test_clobber.S @@ -0,0 +1,29 @@ +/* + * Purpose: demonstrate the succesful operation of the register save mecha= nism, + * in which the caller saves the registers that will be clobbered, and res= tores + * them after the call. + */ + + .text + .globl _start + +_start: + allocframe(#8) + { + r16 =3D #47 + r17 =3D #155 + } + memd(sp+#0) =3D r17:16 + { + r16 =3D #255 + r17 =3D #42 + } + { + deallocframe + r17:16 =3D memd(sp+#0) + } + { + p0 =3D cmp.eq(r16, #47) + p0 =3D cmp.eq(r17, #155); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_cmp.S b/tests/tcg/hexagon/test_cmp.S new file mode 100644 index 0000000000..1db87d3db5 --- /dev/null +++ b/tests/tcg/hexagon/test_cmp.S @@ -0,0 +1,31 @@ +/* Purpose: test a signed and unsigned comparison */ + + .text + .globl _start + +_start: + { + jump signed + } + + .globl signed +signed: + { + r0 =3D #-2 + r1 =3D #0 + } + { + p0 =3D cmp.lt(r0, r1); if (p0.new) jump:t unsigned + jump fail + } + + .globl unsigned +unsigned: + { + r0 =3D #-2 + r1 =3D #0 + } + { + p0 =3D cmp.gtu(r0, r1); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_dotnew.S b/tests/tcg/hexagon/test_dotne= w.S new file mode 100644 index 0000000000..b18b6a72e2 --- /dev/null +++ b/tests/tcg/hexagon/test_dotnew.S @@ -0,0 +1,38 @@ +/* Purpose: test the .new operator while performing memory stores. */ + + .text + .globl _start + +_start: + { + allocframe(#16) + } + { + r0 =3D #1 + memw(sp+#0) =3D r0.new + } + { + r1 =3D #2 + memw(sp+#4) =3D r1.new + } + { + r2 =3D #3 + memw(sp+#8) =3D r2.new + } + { + r0 =3D memw(sp+#8) + } + { + r1 =3D memw(sp+#4) + } + { + r2 =3D memw(sp+#0) + } + { + r3 =3D mpyi(r1, r2) + } + { + deallocframe + p0 =3D cmp.eq(r3, #2); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_ext.S b/tests/tcg/hexagon/test_ext.S new file mode 100644 index 0000000000..03e7bce2a7 --- /dev/null +++ b/tests/tcg/hexagon/test_ext.S @@ -0,0 +1,13 @@ +/* Purpose: test immediate extender instructions. */ + + .text + .globl _start + +_start: + { + r2 =3D ##-559038737 + } + { + p0 =3D cmp.eq(r2, ##-559038737); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_fibonacci.S b/tests/tcg/hexagon/test_fi= bonacci.S new file mode 100644 index 0000000000..4ef2c3896e --- /dev/null +++ b/tests/tcg/hexagon/test_fibonacci.S @@ -0,0 +1,30 @@ +/* Purpose: computes the Fibonacci series up to a constant number. */ + + .text + .globl _start + +_start: + { + r2 =3D #100 + } + { + p0 =3D cmp.gt(r2, #0); if (!p0.new) jump:nt .LBB0_3 + } + { + r3 =3D #0 + r4 =3D #1 + } +.LBB0_2: + { + r5 =3D r4 + } + { + p0 =3D cmp.gt(r2, r5); if (p0.new) jump:nt .LBB0_2 + r4 =3D add(r3, r4) + r3 =3D r5 + } +.LBB0_3: + { + p0 =3D cmp.eq(r3, #144); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_hl.S b/tests/tcg/hexagon/test_hl.S new file mode 100644 index 0000000000..93ace46aeb --- /dev/null +++ b/tests/tcg/hexagon/test_hl.S @@ -0,0 +1,16 @@ +/* Purpose: test example, verify the soundness of the high/low assignment = */ + + .text + .globl _start + +_start: + { + r0.H =3D #42 + } + { + r0.L =3D #69 + } + { + p0 =3D cmp.eq(r0, #2752581); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_hwloops.S b/tests/tcg/hexagon/test_hwlo= ops.S new file mode 100644 index 0000000000..42785e6f25 --- /dev/null +++ b/tests/tcg/hexagon/test_hwloops.S @@ -0,0 +1,19 @@ +/* Purpose: simple C Program to test hardware loops. */ + + .text + .globl _start + +_start: + { + loop0(.LBB0_1, #10) + r2 =3D #0 + } +.LBB0_1: + { + r2 =3D add(r2, #1) + nop + }:endloop0 + { + p0 =3D cmp.eq(r2, #10); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_jmp.S b/tests/tcg/hexagon/test_jmp.S new file mode 100644 index 0000000000..5be25c52b2 --- /dev/null +++ b/tests/tcg/hexagon/test_jmp.S @@ -0,0 +1,22 @@ +/* Purpose: test example, verify the soundness of the jump operation */ + +#define SYS_exit_group 94 + + .text + .globl _start + +_start: + { + jump pass + } + /* + * Inlined fail label in crt.S so we can fail without + * having a functioning jump + */ + { + r0 =3D #1 + r6 =3D #SYS_exit_group + } + { + trap0(#1) + } diff --git a/tests/tcg/hexagon/test_lsr.S b/tests/tcg/hexagon/test_lsr.S new file mode 100644 index 0000000000..b30aa64673 --- /dev/null +++ b/tests/tcg/hexagon/test_lsr.S @@ -0,0 +1,36 @@ +/* Purpose: test the soundness of the lsr operation */ + + .text + .globl _start + +_start: + { + r0 =3D #-56984 + r1 =3D #2147483647 + } + { + r2 =3D #0x19 + } + { + r0 &=3D lsr(r1, r2) + } + { + p0 =3D cmp.eq(r0, #0x28); if (p0.new) jump:t test2 + jump fail + } + +test2: + { + r0 =3D #0x0000000a + r1 =3D #0x00000000 + } + { + r2 =3D #-1 + } + { + r1:0 =3D lsl(r1:0, r2) + } + { + p0 =3D cmp.eq(r0, #0x5); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_mpyi.S b/tests/tcg/hexagon/test_mpyi.S new file mode 100644 index 0000000000..953b46e57e --- /dev/null +++ b/tests/tcg/hexagon/test_mpyi.S @@ -0,0 +1,17 @@ +/* Purpose: test a simple multiplication operation */ + + .text + .globl _start + +_start: + { + r1 =3D #4 + r2 =3D #6 + } + { + r3 =3D mpyi(r1, r2) + } + { + p0 =3D cmp.eq(r3, #24); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_packet.S b/tests/tcg/hexagon/test_packe= t.S new file mode 100644 index 0000000000..9ec9d8d6fb --- /dev/null +++ b/tests/tcg/hexagon/test_packet.S @@ -0,0 +1,29 @@ +/* + * Purpose: test that writes of a register in a packet are performed only = after + * that packet has finished its execution. + */ + + .text + .globl _start + +_start: + { + allocframe(#8) + } + { + r2 =3D #4 + r3 =3D #6 + } + { + memw(sp+#0) =3D r2 + } + { + r3 =3D memw(sp+#0) + r0 =3D add(r2, r3) + } + { + deallocframe + p0 =3D cmp.eq(r3, #4) + p0 =3D cmp.eq(r0, #10); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_reorder.S b/tests/tcg/hexagon/test_reor= der.S new file mode 100644 index 0000000000..5ee0539836 --- /dev/null +++ b/tests/tcg/hexagon/test_reorder.S @@ -0,0 +1,33 @@ +/* + * Purpose: demonstrate handling of .new uses appearing before the associa= ted + * definition. + * Here we perform a jump that skips the code resetting R2 from 0xDEADBEEF= to 0, + * only if P0.new is true, but P0 is assigned to 1 (R4) in the next instru= ction + * in the packet. + */ + + .text + .globl _start + +_start: + { + r2 =3D #-559038737 + } + { + r4 =3D #1 + } + { + if (p0.new) jump:nt skip + p0 =3D r4; + } + +fallthrough: + { + r2 =3D #0 + } + +skip: + { + p0 =3D cmp.eq(r2, #-559038737); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_round.S b/tests/tcg/hexagon/test_round.S new file mode 100644 index 0000000000..3c83812fe8 --- /dev/null +++ b/tests/tcg/hexagon/test_round.S @@ -0,0 +1,29 @@ +/* + * Purpose: test example, verify the soundness of the cround operation + * 106 =3D 0b1101010 with the comma at third digit is 12.5 which is cround= ed to 12 + * but rounded to 13. + */ + + .text + .globl _start + +_start: + { + r1 =3D #200 + } + { + r2 =3D round(r1, #4) + } + { + p0 =3D cmp.eq(r2, #13); if (p0.new) jump:t test2 + jump fail + } + +test2: + { + r2 =3D cround(r1, #4) + } + { + p0 =3D cmp.eq(r2, #12); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_vavgw.S b/tests/tcg/hexagon/test_vavgw.S new file mode 100644 index 0000000000..53c9df706a --- /dev/null +++ b/tests/tcg/hexagon/test_vavgw.S @@ -0,0 +1,31 @@ +/* + * Purpose: test example, verify the soundness of the vavgw operation. + * + * 0x00030001 averaged with 0x00010003 results 0x00020002. + */ + + .text + .globl _start + +_start: + { + r0 =3D #3 + r1 =3D #1 + } + { + r2 =3D #1 + r3 =3D #3 + } + { + r1:0 =3D vavgw(r1:0, r3:2):crnd + } + { + p0 =3D cmp.eq(r0, #2); if (p0.new) jump:t test2 + jump fail + } + +test2: + { + p0 =3D cmp.eq(r1, #2); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_vcmpb.S b/tests/tcg/hexagon/test_vcmpb.S new file mode 100644 index 0000000000..66d253eb48 --- /dev/null +++ b/tests/tcg/hexagon/test_vcmpb.S @@ -0,0 +1,30 @@ +/* + * Purpose: test example, verify the soundness of the vector compare bytes + * operation. + * + * Vector byte comparison between 0x1234567887654321 and 0x1234567800000000 + * should result in 0b11110000 in binary, or 0xf0 in hex. + */ + + .text + .globl _start + +_start: + { + r0 =3D #0x87654321 + r1 =3D #0x12345678 + } + { + r2 =3D #0x00000000 + r3 =3D #0x12345678 + } + { + p2 =3D vcmpb.eq(r1:0, r3:2) + } + { + r4 =3D p2 + } + { + p0 =3D cmp.eq(r4, #0xf0); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_vcmpw.S b/tests/tcg/hexagon/test_vcmpw.S new file mode 100644 index 0000000000..5be88d1e2e --- /dev/null +++ b/tests/tcg/hexagon/test_vcmpw.S @@ -0,0 +1,30 @@ +/* + * Purpose: test example, verify the soundness of the vector compare words + * operation. + * + * Vector word comparison between 0x1234567887654321 and 0x1234567800000000 + * should result in 0b11110000 in binary, or 0xf0 in hex. + */ + + .text + .globl _start + +_start: + { + r0 =3D #0x87654321 + r1 =3D #0x12345678 + } + { + r2 =3D #0x00000000 + r3 =3D #0x12345678 + } + { + p2 =3D vcmpw.eq(r1:0, r3:2) + } + { + r4 =3D p2 + } + { + p0 =3D cmp.eq(r4, #0xf0); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_vlsrw.S b/tests/tcg/hexagon/test_vlsrw.S new file mode 100644 index 0000000000..912e49aa0b --- /dev/null +++ b/tests/tcg/hexagon/test_vlsrw.S @@ -0,0 +1,20 @@ +/* Purpose: test the soundness of the vlsrw operation */ + + .text + .globl _start + +_start: + { + r0 =3D #0x00000001 + r1 =3D #0x00000001 + } + { + r1:0 =3D vlsrw(r1:0, #1) + } + { + r0 =3D add(r0, r1) + } + { + p0 =3D cmp.eq(r0, #0); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_vmaxh.S b/tests/tcg/hexagon/test_vmaxh.S new file mode 100644 index 0000000000..4ea6bd9d96 --- /dev/null +++ b/tests/tcg/hexagon/test_vmaxh.S @@ -0,0 +1,35 @@ +/* + * Purpose: test example, verify the soundness of the vrmaxh operation. + * + * The maximum between 0x0002000300010005 and 0x0003000200020007 is + * 0x0003000300020007. + * + * input: r1 =3D 0x00010003 r0 =3D 0x00010005 r3 =3D 0x00030002 r2 = =3D 0x00020007 + * output: r1 =3D 0x00030003 r0 =3D 0x00020007 + */ + + .text + .globl _start + +_start: + { + r0 =3D #65541 + r1 =3D #65539 + } + { + r2 =3D #131079 + r3 =3D #196610 + } + { + r1:0 =3D vmaxh(r1:0, r3:2) + } + { + p0 =3D cmp.eq(r0, #131079); if (p0.new) jump:t test2 + jump fail + } + +test2: + { + p0 =3D cmp.eq(r1, #196611); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_vminh.S b/tests/tcg/hexagon/test_vminh.S new file mode 100644 index 0000000000..e5fcf2eb94 --- /dev/null +++ b/tests/tcg/hexagon/test_vminh.S @@ -0,0 +1,35 @@ +/* + * Purpose: test example, verify the soundness of the vrmaxh operation. + * + * The minimum between 0x0002000300010005 and 0x0003000200020007 is + * 0x0003000300020007. + * + * input: r1 =3D 0x00010003 r0 =3D 0x00010005 r3 =3D 0x00030002 r2 = =3D 0x00020007 + * output: r1 =3D 0x00010002 r0 =3D 0x00010005 + */ + + .text + .globl _start + +_start: + { + r0 =3D #65541 + r1 =3D #65539 + } + { + r2 =3D #131079 + r3 =3D #196610 + } + { + r1:0 =3D vminh(r1:0, r3:2) + } + { + p0 =3D cmp.eq(r0, #65541); if (p0.new) jump:t test2 + jump fail + } + +test2: + { + p0 =3D cmp.eq(r1, #65538); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_vpmpyh.S b/tests/tcg/hexagon/test_vpmpy= h.S new file mode 100644 index 0000000000..f02758e449 --- /dev/null +++ b/tests/tcg/hexagon/test_vpmpyh.S @@ -0,0 +1,28 @@ +/* + * Purpose: test example, verify the soundness of the vpmpyh operator. + * + * 0x01020304 vector polynomial multiplied with 0x04030201 results + * 0x000400060b060b04. + */ + + .text + .globl _start + +_start: + { + r0 =3D #16909060 + r1 =3D #67305985 + } + { + r1:0 =3D vpmpyh(r0, r1) + } + { + p0 =3D cmp.eq(r0, #184945412); if (p0.new) jump:t test2 + jump fail + } + +test2: + { + p0 =3D cmp.eq(r1, #262150); if (p0.new) jump:t pass + jump fail + } diff --git a/tests/tcg/hexagon/test_vspliceb.S b/tests/tcg/hexagon/test_vsp= liceb.S new file mode 100644 index 0000000000..53c4a91c51 --- /dev/null +++ b/tests/tcg/hexagon/test_vspliceb.S @@ -0,0 +1,31 @@ +/* + * Purpose: test example, verify the soundness of the vspliceb operation + * the operation is a binary splice of two 64bit operators. + * + * vspliceb(0xffffffffffffffff,0x0000000000000000,5) =3D 0x000000ffffffff= ff. + */ + .text + .globl _start + +_start: + { + r0 =3D #-1 + r1 =3D #-1 + } + { + r2 =3D #0 + r3 =3D #0 + } + { + r5:4 =3D vspliceb(r1:0, r3:2, #5) + } + { + p0 =3D cmp.eq(r4, #-1); if (p0.new) jump:t test2 + jump fail + } + +test2: + { + p0 =3D cmp.eq(r5, #255); if (p0.new) jump:t pass + jump fail + } --=20 2.37.0