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accel/tcg: Add TLB_CHECK_ALIGNED

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This creates a per-page method for checking of alignment.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240301204110.656742-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson
2024-03-05 13:22:56 +00:00
committed by Peter Maydell
parent a0ff4a879c
commit 49fa457ca5
2 changed files with 30 additions and 4 deletions
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include/exec/cpu-all.h
+3 -1
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@@ -357,8 +357,10 @@ static inline int cpu_mmu_index(CPUState *cs, bool ifetch)
#define TLB_BSWAP (1 << 0)
/* Set if TLB entry contains a watchpoint. */
#define TLB_WATCHPOINT (1 << 1)
/* Set if TLB entry requires aligned accesses. */
#define TLB_CHECK_ALIGNED (1 << 2)
#define TLB_SLOW_FLAGS_MASK (TLB_BSWAP | TLB_WATCHPOINT)
#define TLB_SLOW_FLAGS_MASK (TLB_BSWAP | TLB_WATCHPOINT | TLB_CHECK_ALIGNED)
/* The two sets of flags must not overlap. */
QEMU_BUILD_BUG_ON(TLB_FLAGS_MASK & TLB_SLOW_FLAGS_MASK);