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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, 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-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1682406723390100003 Content-Type: text/plain; charset="utf-8" Reviewed-by: Richard Henderson 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 18b41221a6..55d7f9255e 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_SXD: env->CSR_BADV =3D env->pc; QEMU_FALLTHROUGH; case EXCCODE_ADEM: diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index fd0f61936d..6755b1f0c7 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -419,6 +419,7 @@ 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, @@ -429,6 +430,7 @@ 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