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target/sparc: Populate CPUClass.mmu_index

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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-01-29 11:01:52 +10:00
parent 9ba49d7222
commit e3547a7d07
2 changed files with 35 additions and 28 deletions
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29
target/sparc/cpu.c
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@ -718,6 +718,34 @@ static bool sparc_cpu_has_work(CPUState *cs)
cpu_interrupts_enabled(env);
}
int sparc_cpu_mmu_index(CPUState *cs, bool ifetch)
{
CPUSPARCState *env = cpu_env(cs);
#ifndef TARGET_SPARC64
if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
return MMU_PHYS_IDX;
} else {
return env->psrs;
}
#else
/* IMMU or DMMU disabled. */
if (ifetch
? (env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0
: (env->lsu & DMMU_E) == 0) {
return MMU_PHYS_IDX;
} else if (cpu_hypervisor_mode(env)) {
return MMU_PHYS_IDX;
} else if (env->tl > 0) {
return MMU_NUCLEUS_IDX;
} else if (cpu_supervisor_mode(env)) {
return MMU_KERNEL_IDX;
} else {
return MMU_USER_IDX;
}
#endif
}
static char *sparc_cpu_type_name(const char *cpu_model)
{
char *name = g_strdup_printf(SPARC_CPU_TYPE_NAME("%s"), cpu_model);
@ -906,6 +934,7 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data)
cc->class_by_name = sparc_cpu_class_by_name;
cc->parse_features = sparc_cpu_parse_features;
cc->has_work = sparc_cpu_has_work;
cc->mmu_index = sparc_cpu_mmu_index;
cc->dump_state = sparc_cpu_dump_state;
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
cc->memory_rw_debug = sparc_cpu_memory_rw_debug;