[PULL 77/89] target/riscv: Suppress pte update with is_debug

[Alistair Francis]

From: Richard Henderson <richard.hender...@linaro.org>

The debugger should not modify PTE_A or PTE_D.

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Reviewed-by: Weiwei Li <liwei...@iscas.ac.cn>
Tested-by: Daniel Henrique Barboza <dbarb...@ventanamicro.com>
Message-Id: <20230325105429.1142530-22-richard.hender...@linaro.org>
Message-Id: <20230412114333.118895-22-richard.hender...@linaro.org>
Signed-off-by: Alistair Francis <alistair.fran...@wdc.com>
---
 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 c2d083f029..6dc3fdf594 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -1001,7 +1001,7 @@ 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;
         }
-- 
2.40.0