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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.168.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com 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_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.706, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.401, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1772224758946158500 From: Brian Cain Signed-off-by: Brian Cain --- target/hexagon/gen_analyze_funcs.py | 21 +++- target/hexagon/hex_common.py | 161 ++++++++++++++++++++++++++++ 2 files changed, 179 insertions(+), 3 deletions(-) diff --git a/target/hexagon/gen_analyze_funcs.py b/target/hexagon/gen_analy= ze_funcs.py index fdefd5b4b36..985386c1309 100755 --- a/target/hexagon/gen_analyze_funcs.py +++ b/target/hexagon/gen_analyze_funcs.py @@ -22,6 +22,8 @@ import string import hex_common =20 +def has_analyze_func(reg, mode): + return callable(getattr(reg, f"analyze_{mode}", None)) =20 ## ## Generate the code to analyze the instruction @@ -42,6 +44,14 @@ def gen_analyze_func(f, tag, regs, imms): f.write(f"static void analyze_{tag}(DisasContext *ctx)\n") f.write("{\n") =20 + if hex_common.tag_ignore(tag): + f.write("}\n\n") + return + + if ("A_PRIV" in hex_common.attribdict[tag] or + "A_GUEST" in hex_common.attribdict[tag]): + f.write("#ifndef CONFIG_USER_ONLY\n") + f.write(" Insn *insn G_GNUC_UNUSED =3D ctx->insn;\n") if (hex_common.is_hvx_insn(tag)): if hex_common.has_hvx_helper(tag): @@ -58,13 +68,14 @@ def gen_analyze_func(f, tag, regs, imms): for regno, register in enumerate(regs): reg_type, reg_id =3D register reg =3D hex_common.get_register(tag, reg_type, reg_id) - reg.decl_reg_num(f, regno) + if has_analyze_func(reg, "read") or has_analyze_func(reg, "write"): + reg.decl_reg_num(f, regno) =20 ## Analyze the register reads for regno, register in enumerate(regs): reg_type, reg_id =3D register reg =3D hex_common.get_register(tag, reg_type, reg_id) - if reg.is_read(): + if reg.is_read() and has_analyze_func(reg, "read"): reg.analyze_read(f, regno) =20 f.write(" mark_implicit_reads(ctx);\n") @@ -73,11 +84,15 @@ def gen_analyze_func(f, tag, regs, imms): for regno, register in enumerate(regs): reg_type, reg_id =3D register reg =3D hex_common.get_register(tag, reg_type, reg_id) - if reg.is_written(): + if reg.is_written() and has_analyze_func(reg, "write"): reg.analyze_write(f, tag, regno) =20 f.write(" mark_implicit_writes(ctx);\n") =20 + if ("A_PRIV" in hex_common.attribdict[tag] or + "A_GUEST" in hex_common.attribdict[tag]): + f.write("#endif /* !CONFIG_USER_ONLY */\n") + f.write("}\n\n") =20 =20 diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index 63f83a8de2a..b5ab2efa5a5 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -33,6 +33,42 @@ overrides =3D {} # tags with helper overrides idef_parser_enabled =3D {} # tags enabled for idef-parser =20 + +def is_sysemu_tag(tag): + return "A_PRIV" in attribdict[tag] or "A_GUEST" in attribdict[tag] + + +def tag_ignore(tag): + tag_skips =3D ( + "Y6_diag", + "Y6_diag0", + "Y6_diag1", + ) + attr_skips =3D ( + "A_FAKEINSN", + "A_MAPPING", + "A_CONDMAPPING", + ) + return tag in tag_skips or \ + any(attr in attribdict[tag] for attr in attr_skips) + + +def get_sys_tags(): + return sorted( + tag for tag in frozenset(tags) if is_sysemu_tag(tag) + ) + + +def get_user_tags(): + return sorted( + tag for tag in frozenset(tags) if not is_sysemu_tag(tag) + ) + + +def get_all_tags(): + return get_user_tags() + get_sys_tags() + + # We should do this as a hash for performance, # but to keep order let's keep it as a list. def uniquify(seq): @@ -371,12 +407,16 @@ def helper_proto_type(self): return "s32" def helper_arg_type(self): return "int32_t" + def is_pair(self): + return False =20 class Pair(Scalar): def helper_proto_type(self): return "s64" def helper_arg_type(self): return "int64_t" + def is_pair(self): + return True =20 class Hvx: def is_scalar_reg(self): @@ -1012,6 +1052,117 @@ def analyze_write(self, f, tag, regno): ctx_log_qreg_write(ctx, {self.reg_num}, insn_has_hvx_helper); """)) =20 +class GuestRegister(Register): + def gen_check_impl(self, f, regno): + if self.is_written(): + f.write(code_fmt(f"""\ + if (!greg_writable(insn->regno[{regno}], + {str(self.is_pair()).lower()})) {{ + return; + }} + """)) + else: + f.write(code_fmt(f"""\ + check_greg_impl(insn->regno[{regno}], + {str(self.is_pair()).lower()}); + """)) + +class GuestDest(GuestRegister, Single, Dest): + def decl_tcg(self, f, tag, regno): + self.decl_reg_num(f, regno) + self.gen_check_impl(f, regno) + f.write(code_fmt(f"""\ + TCGv {self.reg_tcg()} =3D tcg_temp_new(); + """)) + def gen_write(self, f, tag): + f.write(code_fmt(f"""\ + gen_log_greg_write(ctx, {self.reg_num}, {self.reg_tcg()}); + """)) + def analyze_write(self, f, tag, regno): + f.write(code_fmt(f"""\ + ctx_log_greg_write(ctx, {self.reg_num}); + """)) + +class GuestSource(GuestRegister, Single, OldSource): + def decl_tcg(self, f, tag, regno): + self.decl_reg_num(f, regno) + self.gen_check_impl(f, regno) + f.write(code_fmt(f"""\ + TCGv {self.reg_tcg()} =3D tcg_temp_new(); + gen_read_greg({self.reg_tcg()}, {self.reg_num}); + """)) + +class GuestPairDest(GuestRegister, Pair, Dest): + def decl_tcg(self, f, tag, regno): + self.decl_reg_num(f, regno) + self.gen_check_impl(f, regno) + f.write(code_fmt(f"""\ + TCGv_i64 {self.reg_tcg()} =3D tcg_temp_new_i64(); + """)) + def gen_write(self, f, tag): + f.write(code_fmt(f"""\ + gen_log_greg_write_pair(ctx, {self.reg_num}, {self.reg_tcg()}); + """)) + def analyze_write(self, f, tag, regno): + f.write(code_fmt(f"""\ + ctx_log_greg_write_pair(ctx, {self.reg_num}); + """)) + +class GuestPairSource(GuestRegister, Pair, OldSource): + def decl_tcg(self, f, tag, regno): + self.decl_reg_num(f, regno) + self.gen_check_impl(f, regno) + f.write(code_fmt(f"""\ + TCGv_i64 {self.reg_tcg()} =3D tcg_temp_new_i64(); + gen_read_greg_pair({self.reg_tcg()}, {self.reg_num}); + """)) + +class SystemDest(Register, Single, Dest): + def decl_tcg(self, f, tag, regno): + self.decl_reg_num(f, regno) + f.write(code_fmt(f"""\ + TCGv {self.reg_tcg()} =3D tcg_temp_new(); + """)) + def gen_write(self, f, tag): + f.write(code_fmt(f"""\ + gen_log_sreg_write(ctx, {self.reg_num}, {self.reg_tcg()}); + """)) + def analyze_write(self, f, tag, regno): + f.write(code_fmt(f"""\ + ctx_log_sreg_write(ctx, {self.reg_num}); + """)) + +class SystemSource(Register, Single, OldSource): + def decl_tcg(self, f, tag, regno): + self.decl_reg_num(f, regno) + f.write(code_fmt(f"""\ + TCGv {self.reg_tcg()} =3D tcg_temp_new(); + gen_read_sreg({self.reg_tcg()}, {self.reg_num}); + """)) + +class SystemPairDest(Register, Pair, Dest): + def decl_tcg(self, f, tag, regno): + self.decl_reg_num(f, regno) + f.write(code_fmt(f"""\ + TCGv_i64 {self.reg_tcg()} =3D tcg_temp_new_i64(); + """)) + def gen_write(self, f, tag): + f.write(code_fmt(f"""\ + gen_log_sreg_write_pair(ctx, {self.reg_num}, {self.reg_tcg()}); + """)) + def analyze_write(self, f, tag, regno): + f.write(code_fmt(f"""\ + ctx_log_sreg_write_pair(ctx, {self.reg_num}); + """)) + +class SystemPairSource(Register, Pair, OldSource): + def decl_tcg(self, f, tag, regno): + self.decl_reg_num(f, regno) + f.write(code_fmt(f"""\ + TCGv_i64 {self.reg_tcg()} =3D tcg_temp_new_i64(); + gen_read_sreg_pair({self.reg_tcg()}, {self.reg_num}); + """)) + def init_registers(): regs =3D { GprDest("R", "d"), @@ -1058,6 +1209,16 @@ def init_registers(): QRegSource("Q", "u"), QRegSource("Q", "v"), QRegReadWrite("Q", "x"), + + # system regs + GuestDest("G", "d"), + GuestSource("G", "s"), + GuestPairDest("G", "dd"), + GuestPairSource("G", "ss"), + SystemDest("S", "d"), + SystemSource("S", "s"), + SystemPairDest("S", "dd"), + SystemPairSource("S", "ss"), } for reg in regs: registers[f"{reg.regtype}{reg.regid}"] =3D reg --=20 2.34.1