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Sat, 26 Oct 2024 10:54:01 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Aurelien Jarno , Jiaxun Yang , Aleksandar Rikalo , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aleksandar Rikalo Subject: [PATCH v3 1/9] target/mips: Extract decode_64bit_enabled() helper Date: Sat, 26 Oct 2024 14:53:41 -0300 Message-ID: <20241026175349.84523-2-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241026175349.84523-1-philmd@linaro.org> References: <20241026175349.84523-1-philmd@linaro.org> 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=2607:f8b0:4864:20::62f; envelope-from=philmd@linaro.org; helo=mail-pl1-x62f.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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 @linaro.org) X-ZM-MESSAGEID: 1729965308574116600 Extract the decode_64bit_enabled() helper which detects whether CPUs can run 64-bit instructions. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Pierrick Bouvier --- target/mips/tcg/translate.h | 2 ++ target/mips/tcg/translate.c | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/target/mips/tcg/translate.h b/target/mips/tcg/translate.h index 5d196e69ac4..ae6c25aa0c4 100644 --- a/target/mips/tcg/translate.h +++ b/target/mips/tcg/translate.h @@ -217,6 +217,8 @@ void msa_translate_init(void); void mxu_translate_init(void); bool decode_ase_mxu(DisasContext *ctx, uint32_t insn); =20 +bool decode_64bit_enabled(DisasContext *ctx); + /* decodetree generated */ bool decode_isa_rel6(DisasContext *ctx, uint32_t insn); bool decode_ase_msa(DisasContext *ctx, uint32_t insn); diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index d92fc418edd..6c881af5618 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -1645,13 +1645,18 @@ static inline void check_ps(DisasContext *ctx) check_cp1_64bitmode(ctx); } =20 +bool decode_64bit_enabled(DisasContext *ctx) +{ + return ctx->hflags & MIPS_HFLAG_64; +} + /* * This code generates a "reserved instruction" exception if cpu is not * 64-bit or 64-bit instructions are not enabled. */ void check_mips_64(DisasContext *ctx) { - if (unlikely((TARGET_LONG_BITS !=3D 64) || !(ctx->hflags & MIPS_HFLAG_= 64))) { + if (unlikely((TARGET_LONG_BITS !=3D 64) || !decode_64bit_enabled(ctx))= ) { gen_reserved_instruction(ctx); } } --=20 2.45.2