Commit a7be2e0a3f for qemu.org

commit a7be2e0a3f7d0f35bcc3b17e2b558084efc5d9fe
Author: Song Gao <gaosong@loongson.cn>
Date:   Wed Jan 14 15:24:17 2026 +0800

    target/loongarch: Fix exception ADEF/ADEM missing to update CSR_BADV

    Exception ADEM/ADEF need update CSR_BADV, the value from the virtual
    address.

    Signed-off-by: Song Gao <gaosong@loongson.cn>
    Signed-off-by: Bibo Mao <maobibo@loongson.cn>
    Reviewed-by: Bibo Mao <maobibo@loongson.cn>

diff --git a/target/loongarch/tcg/tcg_cpu.c b/target/loongarch/tcg/tcg_cpu.c
index 4b4bf39d09..af92277669 100644
--- a/target/loongarch/tcg/tcg_cpu.c
+++ b/target/loongarch/tcg/tcg_cpu.c
@@ -227,6 +227,7 @@ static void loongarch_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
 {
     CPULoongArchState *env = cpu_env(cs);

+    env->CSR_BADV = addr;
     if (access_type == MMU_INST_FETCH) {
         do_raise_exception(env, EXCCODE_ADEF, retaddr);
     } else {