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Mon, 27 Mar 2023 23:06:42 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8BxPNq5WSJkQtoSAA--.17549S3; Tue, 28 Mar 2023 11:06:33 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Dxyr24WSJkZukOAA--.10252S6; Tue, 28 Mar 2023 11:06:33 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org Subject: [RFC PATCH v2 04/44] target/loongarch: Add CHECK_SXE maccro for check LSX enable Date: Tue, 28 Mar 2023 11:05:51 +0800 Message-Id: <20230328030631.3117129-5-gaosong@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230328030631.3117129-1-gaosong@loongson.cn> References: <20230328030631.3117129-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8Dxyr24WSJkZukOAA--.10252S6 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjvJXoW7uryktrWkKF15Gry8Jw1DJrb_yoW5JFyxpF Z2kry7KF4rGFZ2y34fXa98Grn8Xr15Gw4xta1fK3s5GFsxXryFqa1vq39rKFW3Gayrury2 vF1fAw13WF47WaDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU bn8Fc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4 AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26r4j6ryUM28EF7xvwVC0I7IYx2IY6xkF 7I0E14v26r4j6F4UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7 CjxVAFwI0_Gr1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYIkI8VC2 zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VCjz48v1sIEY20_WwAm72CE4IkC6x 0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l42xK82IY6x8ErcxF aVAv8VWrMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxV Cjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUXVWUAwCIc40Y0x0EwIxGrwCI42IY 6xIIjxv20xvE14v26r1I6r4UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6x AIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY 1x0267AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvj4RC_MaUUUUU 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=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1679973232061100007 Content-Type: text/plain; charset="utf-8" Signed-off-by: Song Gao --- target/loongarch/cpu.c | 2 ++ target/loongarch/cpu.h | 2 ++ target/loongarch/insn_trans/trans_lsx.c.inc | 11 +++++++++++ 3 files changed, 15 insertions(+) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 2263bd4fdd..a3ce1ccf00 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -52,6 +52,7 @@ static const char * const excp_names[] =3D { [EXCCODE_FPE] =3D "Floating Point Exception", [EXCCODE_DBP] =3D "Debug breakpoint", [EXCCODE_BCE] =3D "Bound Check Exception", + [EXCCODE_SXD] =3D "128 bit vector instructions Disable exception", }; =20 const char *loongarch_exception_name(int32_t exception) @@ -187,6 +188,7 @@ static void loongarch_cpu_do_interrupt(CPUState *cs) case EXCCODE_FPD: case EXCCODE_FPE: case EXCCODE_BCE: + case EXCCODE_ASXD: env->CSR_BADV =3D env->pc; QEMU_FALLTHROUGH; case EXCCODE_ADEM: diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 6e5fa6a01d..2e5326f474 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -429,6 +429,7 @@ static inline int cpu_mmu_index(CPULoongArchState *env,= bool ifetch) #define HW_FLAGS_PLV_MASK R_CSR_CRMD_PLV_MASK /* 0x03 */ #define HW_FLAGS_CRMD_PG R_CSR_CRMD_PG_MASK /* 0x10 */ #define HW_FLAGS_EUEN_FPE 0x04 +#define HW_FLAGS_EUEN_SXE 0x08 =20 static inline void cpu_get_tb_cpu_state(CPULoongArchState *env, target_ulong *pc, @@ -439,6 +440,7 @@ static inline void cpu_get_tb_cpu_state(CPULoongArchSta= te *env, *cs_base =3D 0; *flags =3D env->CSR_CRMD & (R_CSR_CRMD_PLV_MASK | R_CSR_CRMD_PG_MASK); *flags |=3D FIELD_EX64(env->CSR_EUEN, CSR_EUEN, FPE) * HW_FLAGS_EUEN_F= PE; + *flags |=3D FIELD_EX64(env->CSR_EUEN, CSR_EUEN, SXE) * HW_FLAGS_EUEN_S= XE; } =20 void loongarch_cpu_list(void); diff --git a/target/loongarch/insn_trans/trans_lsx.c.inc b/target/loongarch= /insn_trans/trans_lsx.c.inc index 1cf3ab34a9..5dedb044d7 100644 --- a/target/loongarch/insn_trans/trans_lsx.c.inc +++ b/target/loongarch/insn_trans/trans_lsx.c.inc @@ -3,3 +3,14 @@ * LSX translate functions * Copyright (c) 2022-2023 Loongson Technology Corporation Limited */ + +#ifndef CONFIG_USER_ONLY +#define CHECK_SXE do { \ + if ((ctx->base.tb->flags & HW_FLAGS_EUEN_SXE) =3D=3D 0) { \ + generate_exception(ctx, EXCCODE_SXD); \ + return true; \ + } \ +} while (0) +#else +#define CHECK_SXE +#endif --=20 2.31.1