target-s390: Convert SPX, STPX

[qemu.git] / target-s390x / misc_helper.c

diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c
index 431824249c8f8a92c338da35b1b34b99c0f23b70..b098e8869dbb98536fbd443722cadeca3696aa82 100644 (file)
--- a/target-s390x/misc_helper.c
+++ b/target-s390x/misc_helper.c
@@ -134,10 +134,8 @@ uint64_t HELPER(diag)(CPUS390XState *env, uint32_t num, uint64_t mem,
 /* Set Prefix */
 void HELPER(spx)(CPUS390XState *env, uint64_t a1)
 {
-    uint32_t prefix;
-
-    prefix = cpu_ldl_data(env, a1);
-    env->psa = prefix & 0xfffff000;
+    uint32_t prefix = a1 & 0x7fffe000;
+    env->psa = prefix;
     qemu_log("prefix: %#x\n", prefix);
     tlb_flush_page(env, 0);
     tlb_flush_page(env, TARGET_PAGE_SIZE);