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-rw-r--r--include/exec/cpu-all.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index d148bded35..ad9ab85eb3 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -337,12 +337,15 @@ CPUArchState *cpu_copy(CPUArchState *env);
#define TLB_WATCHPOINT (1 << (TARGET_PAGE_BITS_MIN - 4))
/* Set if TLB entry requires byte swap. */
#define TLB_BSWAP (1 << (TARGET_PAGE_BITS_MIN - 5))
+/* Set if TLB entry writes ignored. */
+#define TLB_DISCARD_WRITE (1 << (TARGET_PAGE_BITS_MIN - 6))
/* Use this mask to check interception with an alignment mask
* in a TCG backend.
*/
#define TLB_FLAGS_MASK \
- (TLB_INVALID_MASK | TLB_NOTDIRTY | TLB_MMIO | TLB_WATCHPOINT | TLB_BSWAP)
+ (TLB_INVALID_MASK | TLB_NOTDIRTY | TLB_MMIO \
+ | TLB_WATCHPOINT | TLB_BSWAP | TLB_DISCARD_WRITE)
/**
* tlb_hit_page: return true if page aligned @addr is a hit against the