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target/riscv: Suppress pte update with is_debug

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The debugger should not modify PTE_A or PTE_D.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Tested-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230325105429.1142530-22-richard.henderson@linaro.org>
Message-Id: <20230412114333.118895-22-richard.henderson@linaro.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Richard Henderson 2023-04-12 13:43:29 +02:00 • committed by Alistair Francis
parent 59688aa023
commit 0a19bf5e37
1 changed files with 1 additions and 1 deletions
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2
target/riscv/cpu_helper.c
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@ -1001,7 +1001,7 @@ restart:
(access_type == MMU_DATA_STORE ? PTE_D : 0); (access_type == MMU_DATA_STORE ? PTE_D : 0);
/* Page table updates need to be atomic with MTTCG enabled */ /* Page table updates need to be atomic with MTTCG enabled */
if (updated_pte != pte) { if (updated_pte != pte && !is_debug) {
if (!hade) { if (!hade) {
return TRANSLATE_FAIL; return TRANSLATE_FAIL;
} }