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include/exec: Implement cpu_mmu_index generically

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For user-only mode, use MMU_USER_IDX.
For system mode, use CPUClass.mmu_index.

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 11:37:54 +10:00
parent 68283ff4b4
commit a120d32097
31 changed files with 34 additions and 133 deletions
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4
include/exec/cpu-all.h
View file

@ -311,6 +311,10 @@ CPUArchState *cpu_copy(CPUArchState *env);
#define TLB_MMIO (1 << (TARGET_PAGE_BITS_MIN - 2))
#define TLB_WATCHPOINT 0
static inline int cpu_mmu_index(CPUArchState *env, bool ifetch)
{
return MMU_USER_IDX;
}
#else
/*

22
include/exec/cpu-common.h
View file

@ -8,6 +8,7 @@
#include "exec/hwaddr.h"
#endif
#include "hw/core/cpu.h"
#include "tcg/debug-assert.h"
#define EXCP_INTERRUPT 0x10000 /* async interruption */
#define EXCP_HLT 0x10001 /* hlt instruction reached */
@ -262,4 +263,25 @@ static inline CPUState *env_cpu(CPUArchState *env)
return (void *)env - sizeof(CPUState);
}
#ifndef CONFIG_USER_ONLY
/**
* cpu_mmu_index:
* @env: The cpu environment
* @ifetch: True for code access, false for data access.
*
* Return the core mmu index for the current translation regime.
* This function is used by generic TCG code paths.
*
* The user-only version of this function is inline in cpu-all.h,
* where it always returns MMU_USER_IDX.
*/
static inline int cpu_mmu_index(CPUArchState *env, bool ifetch)
{
CPUState *cs = env_cpu(env);
int ret = cs->cc->mmu_index(cs, ifetch);
tcg_debug_assert(ret >= 0 && ret < NB_MMU_MODES);
return ret;
}
#endif /* !CONFIG_USER_ONLY */
#endif /* CPU_COMMON_H */