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-rw-r--r--target/alpha/cpu.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/target/alpha/cpu.h b/target/alpha/cpu.h
index afd975c878..e819211503 100644
--- a/target/alpha/cpu.h
+++ b/target/alpha/cpu.h
@@ -383,6 +383,8 @@ enum {
 #define ENV_FLAG_TB_MASK \
     (ENV_FLAG_PAL_MODE | ENV_FLAG_PS_USER | ENV_FLAG_FEN)
 
+#define TB_FLAG_UNALIGN       (1u << 1)
+
 static inline int cpu_mmu_index(CPUAlphaState *env, bool ifetch)
 {
     int ret = env->flags & ENV_FLAG_PS_USER ? MMU_USER_IDX : MMU_KERNEL_IDX;
@@ -470,6 +472,9 @@ static inline void cpu_get_tb_cpu_state(CPUAlphaState *env, target_ulong *pc,
     *pc = env->pc;
     *cs_base = 0;
     *pflags = env->flags & ENV_FLAG_TB_MASK;
+#ifdef CONFIG_USER_ONLY
+    *pflags |= TB_FLAG_UNALIGN * !env_cpu(env)->prctl_unalign_sigbus;
+#endif
 }
 
 #ifdef CONFIG_USER_ONLY