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[PATCH v6 21/25] target/riscv: Suppress pte update with is_debug
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From: |
Richard Henderson |
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Subject: |
[PATCH v6 21/25] target/riscv: Suppress pte update with is_debug |
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Date: |
Sat, 25 Mar 2023 03:54:25 -0700 |
The debugger should not modify PTE_A or PTE_D.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/riscv/cpu_helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index ce12dcec1d..b26840e46c 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -1015,7 +1015,7 @@ restart:
(access_type == MMU_DATA_STORE ? PTE_D : 0);
/* Page table updates need to be atomic with MTTCG enabled */
- if (updated_pte != pte) {
+ if (updated_pte != pte && !is_debug) {
if (!hade) {
return TRANSLATE_FAIL;
}
--
2.34.1
- [PATCH v6 07/25] target/riscv: Reduce overhead of MSTATUS_SUM change, (continued)
- [PATCH v6 07/25] target/riscv: Reduce overhead of MSTATUS_SUM change, Richard Henderson, 2023/03/25
- [PATCH v6 19/25] target/riscv: Hoist pbmte and hade out of the level loop, Richard Henderson, 2023/03/25
- [PATCH v6 11/25] target/riscv: Rename MMU_HYP_ACCESS_BIT to MMU_2STAGE_BIT, Richard Henderson, 2023/03/25
- [PATCH v6 16/25] target/riscv: Set MMU_2STAGE_BIT in riscv_cpu_mmu_index, Richard Henderson, 2023/03/25
- [PATCH v6 13/25] target/riscv: Introduce mmuidx_priv, Richard Henderson, 2023/03/25
- [PATCH v6 14/25] target/riscv: Introduce mmuidx_2stage, Richard Henderson, 2023/03/25
- [PATCH v6 21/25] target/riscv: Suppress pte update with is_debug,
Richard Henderson <=
- [PATCH v6 17/25] target/riscv: Check SUM in the correct register, Richard Henderson, 2023/03/25
- [PATCH v6 01/25] target/riscv: Extract virt enabled state from tb flags, Richard Henderson, 2023/03/25
- [PATCH v6 09/25] target/riscv: Use cpu_ld*_code_mmu for HLVX, Richard Henderson, 2023/03/25
- [PATCH v6 02/25] target/riscv: Add a general status enum for extensions, Richard Henderson, 2023/03/25
- [PATCH v6 08/25] accel/tcg: Add cpu_ld*_code_mmu, Richard Henderson, 2023/03/25
- [PATCH v6 04/25] target/riscv: Remove mstatus_hs_{fs, vs} from tb_flags, Richard Henderson, 2023/03/25