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authorRichard Henderson <richard.henderson@linaro.org>2023-02-22 23:09:43 -1000
committerRichard Henderson <richard.henderson@linaro.org>2023-06-26 17:33:00 +0200
commit187ba6945345cedf2f343fcc33e5616186aebe9d (patch)
treeb161ca5c68e9a799ebc41d8f3aff7c26fc11c6b9 /accel
parent58e8f1f616d117aed6283690419dc16f53b7a202 (diff)
accel/tcg: Move TLB_WATCHPOINT to TLB_SLOW_FLAGS_MASK
This frees up one bit of the primary tlb flags without impacting the TLB_NOTDIRTY logic. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
-rw-r--r--accel/tcg/cputlb.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 3671846744..5b51eff5a4 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -1981,7 +1981,7 @@ static void *atomic_mmu_lookup(CPUArchState *env, vaddr addr, MemOpIdx oi,
*/
goto stop_the_world;
}
- /* Collect TLB_WATCHPOINT for read. */
+ /* Collect tlb flags for read. */
tlb_addr |= tlbe->addr_read;
/* Notice an IO access or a needs-MMU-lookup access */
@@ -1998,9 +1998,19 @@ static void *atomic_mmu_lookup(CPUArchState *env, vaddr addr, MemOpIdx oi,
notdirty_write(env_cpu(env), addr, size, full, retaddr);
}
- if (unlikely(tlb_addr & TLB_WATCHPOINT)) {
- cpu_check_watchpoint(env_cpu(env), addr, size, full->attrs,
- BP_MEM_READ | BP_MEM_WRITE, retaddr);
+ if (unlikely(tlb_addr & TLB_FORCE_SLOW)) {
+ int wp_flags = 0;
+
+ if (full->slow_flags[MMU_DATA_STORE] & TLB_WATCHPOINT) {
+ wp_flags |= BP_MEM_WRITE;
+ }
+ if (full->slow_flags[MMU_DATA_LOAD] & TLB_WATCHPOINT) {
+ wp_flags |= BP_MEM_READ;
+ }
+ if (wp_flags) {
+ cpu_check_watchpoint(env_cpu(env), addr, size,
+ full->attrs, wp_flags, retaddr);
+ }
}
return hostaddr;