1 files changed, 20 insertions, 0 deletions
diff --git a/target-xtensa/op_helper.c b/target-xtensa/op_helper.c
index 7c3fb88a96..5e0f56f6da 100644
--- a/target-xtensa/op_helper.c
+++ b/target-xtensa/op_helper.c
@@ -288,6 +288,26 @@ void HELPER(movsp)(uint32_t pc)
     }
 }
 
+void HELPER(wsr_lbeg)(uint32_t v)
+{
+    if (env->sregs[LBEG] != v) {
+        tb_invalidate_phys_page_range(
+                env->sregs[LEND] - 1, env->sregs[LEND], 0);
+        env->sregs[LBEG] = v;
+    }
+}
+
+void HELPER(wsr_lend)(uint32_t v)
+{
+    if (env->sregs[LEND] != v) {
+        tb_invalidate_phys_page_range(
+                env->sregs[LEND] - 1, env->sregs[LEND], 0);
+        env->sregs[LEND] = v;
+        tb_invalidate_phys_page_range(
+                env->sregs[LEND] - 1, env->sregs[LEND], 0);
+    }
+}
+
 void HELPER(dump_state)(void)
 {
     cpu_dump_state(env, stderr, fprintf, 0);