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target/hppa: Introduce MMU_IDX_MMU_DISABLED

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Reduce the number of direct checks against MMU_PHYS_IDX.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-11-07 11:33:45 -08:00
parent 2a23f0f118
commit 17fe594c59
3 changed files with 14 additions and 11 deletions
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target/hppa/cpu.h
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@ -41,6 +41,7 @@
#define MMU_USER_P_IDX 14
#define MMU_PHYS_IDX 15
#define MMU_IDX_MMU_DISABLED(MIDX) ((MIDX) == MMU_PHYS_IDX)
#define MMU_IDX_TO_PRIV(MIDX) (((MIDX) - MMU_KERNEL_IDX) / 2)
#define MMU_IDX_TO_P(MIDX) (((MIDX) - MMU_KERNEL_IDX) & 1)
#define PRIV_P_TO_MMU_IDX(PRIV, P) ((PRIV) * 2 + !!(P) + MMU_KERNEL_IDX)