diff options
| -rw-r--r-- | target/loongarch/cpu.c | 2 | ||||
| -rw-r--r-- | target/loongarch/cpu.h | 2 | ||||
| -rw-r--r-- | target/loongarch/insn_trans/trans_lsx.c.inc | 11 |
3 files changed, 15 insertions, 0 deletions
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 18b4122..55d7f92 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -52,6 +52,7 @@ static const char * const excp_names[] = { [EXCCODE_FPE] = "Floating Point Exception", [EXCCODE_DBP] = "Debug breakpoint", [EXCCODE_BCE] = "Bound Check Exception", + [EXCCODE_SXD] = "128 bit vector instructions Disable exception", }; 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 = env->pc; QEMU_FALLTHROUGH; case EXCCODE_ADEM: diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index fd0f619..6755b1f 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 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(CPULoongArchState *env, *cs_base = 0; *flags = env->CSR_CRMD & (R_CSR_CRMD_PLV_MASK | R_CSR_CRMD_PG_MASK); *flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, FPE) * HW_FLAGS_EUEN_FPE; + *flags |= FIELD_EX64(env->CSR_EUEN, CSR_EUEN, SXE) * HW_FLAGS_EUEN_SXE; } 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 1cf3ab3..5dedb04 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) == 0) { \ + generate_exception(ctx, EXCCODE_SXD); \ + return true; \ + } \ +} while (0) +#else +#define CHECK_SXE +#endif |