aboutsummaryrefslogtreecommitdiff
path: root/target/loongarch/cpu.h
diff options
context:
space:
mode:
Diffstat (limited to 'target/loongarch/cpu.h')
-rw-r--r--target/loongarch/cpu.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h
index b8af491041..72109095e4 100644
--- a/target/loongarch/cpu.h
+++ b/target/loongarch/cpu.h
@@ -432,6 +432,17 @@ static inline bool is_la64(CPULoongArchState *env)
return FIELD_EX32(env->cpucfg[1], CPUCFG1, ARCH) == CPUCFG1_ARCH_LA64;
}
+static inline bool is_va32(CPULoongArchState *env)
+{
+ /* VA32 if !LA64 or VA32L[1-3] */
+ bool va32 = !is_la64(env);
+ uint64_t plv = FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV);
+ if (plv >= 1 && (FIELD_EX64(env->CSR_MISC, CSR_MISC, VA32) & (1 << plv))) {
+ va32 = true;
+ }
+ return va32;
+}
+
/*
* LoongArch CPUs hardware flags.
*/
@@ -439,6 +450,7 @@ static inline bool is_la64(CPULoongArchState *env)
#define HW_FLAGS_CRMD_PG R_CSR_CRMD_PG_MASK /* 0x10 */
#define HW_FLAGS_EUEN_FPE 0x04
#define HW_FLAGS_EUEN_SXE 0x08
+#define HW_FLAGS_VA32 0x20
static inline void cpu_get_tb_cpu_state(CPULoongArchState *env, vaddr *pc,
uint64_t *cs_base, uint32_t *flags)
@@ -448,6 +460,7 @@ static inline void cpu_get_tb_cpu_state(CPULoongArchState *env, vaddr *pc,
*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;
+ *flags |= is_va32(env) * HW_FLAGS_VA32;
}
void loongarch_cpu_list(void);