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-rw-r--r--linux-user/aarch64/cpu_loop.c11
-rw-r--r--linux-user/aarch64/target_signal.h1
2 files changed, 12 insertions, 0 deletions
diff --git a/linux-user/aarch64/cpu_loop.c b/linux-user/aarch64/cpu_loop.c
index b6a2e65593..7c42f65706 100644
--- a/linux-user/aarch64/cpu_loop.c
+++ b/linux-user/aarch64/cpu_loop.c
@@ -164,6 +164,17 @@ void cpu_loop(CPUARMState *env)
             EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr);
             abort();
         }
+
+        /* Check for MTE asynchronous faults */
+        if (unlikely(env->cp15.tfsr_el[0])) {
+            env->cp15.tfsr_el[0] = 0;
+            info.si_signo = TARGET_SIGSEGV;
+            info.si_errno = 0;
+            info._sifields._sigfault._addr = 0;
+            info.si_code = TARGET_SEGV_MTEAERR;
+            queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
+        }
+
         process_pending_signals(env);
         /* Exception return on AArch64 always clears the exclusive monitor,
          * so any return to running guest code implies this.
diff --git a/linux-user/aarch64/target_signal.h b/linux-user/aarch64/target_signal.h
index 777fb667fe..18013e1b23 100644
--- a/linux-user/aarch64/target_signal.h
+++ b/linux-user/aarch64/target_signal.h
@@ -21,6 +21,7 @@ typedef struct target_sigaltstack {
 
 #include "../generic/signal.h"
 
+#define TARGET_SEGV_MTEAERR  8  /* Asynchronous ARM MTE error */
 #define TARGET_SEGV_MTESERR  9  /* Synchronous ARM MTE exception */
 
 #define TARGET_ARCH_HAS_SETUP_FRAME