aboutsummaryrefslogtreecommitdiff
path: root/target-s390x/misc_helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'target-s390x/misc_helper.c')
-rw-r--r--target-s390x/misc_helper.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c
index 431824249c..b098e8869d 100644
--- 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);