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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=2607:f8b0:4864:20::52f; envelope-from=philmd@fungible.com; helo=mail-pg1-x52f.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 13 Oct 2022 11:26:31 -0400 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" X-ZohoMail-DKIM: pass (identity @fungible.com) X-ZM-MESSAGEID: 1665674917004100001 From: David Daney disas/mips.c got added in commit 6643d27ea0 ("MIPS disas support") apparently based on binutils tag 'gdb_6_1-branchpoint' [1]. Back then, MIPSr6 was not supported (added in binutils commit 7361da2c952 during 2014 [2]). Binutils codebase diverged so much over the last 18 years, it is not possible to simply cherry-pick their changes, so fix it BEQZC / BNEZC 21-bit signed branch displacement locally. [1] https://sourceware.org/git/?p=3Dbinutils-gdb.git;a=3Dblob;f=3Dopcodes/m= ips-dis.c;hb=3Drefs/tags/gdb_6_1-branchpoint [2] https://sourceware.org/git/?p=3Dbinutils-gdb.git;a=3Dcommit;h=3D7361da2= c952 Fixes: 31837be3ee ("target-mips: add compact and CP1 branches") Signed-off-by: David Daney Reviewed-by: Marcin Nowakowski [PMD: Added commit description] Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- disas/mips.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/disas/mips.c b/disas/mips.c index b9a5204304..68640b96d2 100644 --- a/disas/mips.c +++ b/disas/mips.c @@ -1334,9 +1334,9 @@ const struct mips_opcode mips_builtin_opcodes[] =3D {"balc", "+p", 0xe8000000, 0xfc000000, UBD|WR_31, 0, I= 32R6}, {"bc", "+p", 0xc8000000, 0xfc000000, UBD|WR_31, 0, I= 32R6}, {"jic", "t,o", 0xd8000000, 0xffe00000, UBD|RD_t, 0, I= 32R6}, -{"beqzc", "s,+p", 0xd8000000, 0xfc000000, CBD|RD_s, 0, I= 32R6}, +{"beqzc", "s,+q", 0xd8000000, 0xfc000000, CBD|RD_s, 0, I= 32R6}, {"jialc", "t,o", 0xf8000000, 0xffe00000, UBD|RD_t, 0, I= 32R6}, -{"bnezc", "s,+p", 0xf8000000, 0xfc000000, CBD|RD_s, 0, I= 32R6}, +{"bnezc", "s,+q", 0xf8000000, 0xfc000000, CBD|RD_s, 0, I= 32R6}, {"beqzalc", "s,t,p", 0x20000000, 0xffe00000, CBD|RD_s|RD_t, 0, I= 32R6}, {"bovc", "s,t,p", 0x20000000, 0xfc000000, CBD|RD_s|RD_t, 0, I= 32R6}, {"beqc", "s,t,p", 0x20000000, 0xfc000000, CBD|RD_s|RD_t, 0, I= 32R6}, @@ -4462,6 +4462,16 @@ print_insn_args (const char *d, (*info->print_address_func) (info->target, info); break; =20 + case 'q': + /* Sign extend the displacement with 21 bits. */ + delta =3D l & 0x1FFFFF; + if (delta & 0x100000) { + delta |=3D ~0x1FFFFF; + } + info->target =3D (delta << 2) + pc + INSNLEN; + (*info->print_address_func) (info->target, info); + break; + case 't': /* Coprocessor 0 reg name */ (*info->fprintf_func) (info->stream, "%s", mips_cp0_names[(l >> OP_SH_RT) & --=20 2.37.3