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-rw-r--r--target/arm/machine.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/target/arm/machine.c b/target/arm/machine.c
index c74d8c3f4b..135d2420b5 100644
--- a/target/arm/machine.c
+++ b/target/arm/machine.c
@@ -794,6 +794,16 @@ static int cpu_post_load(void *opaque, int version_id)
return -1;
}
}
+
+ /*
+ * Misaligned thumb pc is architecturally impossible.
+ * We have an assert in thumb_tr_translate_insn to verify this.
+ * Fail an incoming migrate to avoid this assert.
+ */
+ if (!is_a64(env) && env->thumb && (env->regs[15] & 1)) {
+ return -1;
+ }
+
if (!kvm_enabled()) {
pmu_op_finish(&cpu->env);
}