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[PATCH v1 01/12] s390x/tcg: wrap address for RRBE


From: David Hildenbrand
Subject: [PATCH v1 01/12] s390x/tcg: wrap address for RRBE
Date: Thu, 5 Aug 2021 17:27:53 +0200

Let's wrap the address just like for SSKE and ISKE.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 target/s390x/tcg/mem_helper.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/target/s390x/tcg/mem_helper.c b/target/s390x/tcg/mem_helper.c
index 21a4de4067..e0befd0f03 100644
--- a/target/s390x/tcg/mem_helper.c
+++ b/target/s390x/tcg/mem_helper.c
@@ -2223,11 +2223,12 @@ void HELPER(sske)(CPUS390XState *env, uint64_t r1, 
uint64_t r2)
 uint32_t HELPER(rrbe)(CPUS390XState *env, uint64_t r2)
 {
     MachineState *ms = MACHINE(qdev_get_machine());
+    uint64_t addr = wrap_address(env, r2);
     static S390SKeysState *ss;
     static S390SKeysClass *skeyclass;
     uint8_t re, key;
 
-    if (r2 > ms->ram_size) {
+    if (addr > ms->ram_size) {
         return 0;
     }
 
@@ -2236,14 +2237,14 @@ uint32_t HELPER(rrbe)(CPUS390XState *env, uint64_t r2)
         skeyclass = S390_SKEYS_GET_CLASS(ss);
     }
 
-    if (skeyclass->get_skeys(ss, r2 / TARGET_PAGE_SIZE, 1, &key)) {
+    if (skeyclass->get_skeys(ss, addr / TARGET_PAGE_SIZE, 1, &key)) {
         return 0;
     }
 
     re = key & (SK_R | SK_C);
     key &= ~SK_R;
 
-    if (skeyclass->set_skeys(ss, r2 / TARGET_PAGE_SIZE, 1, &key)) {
+    if (skeyclass->set_skeys(ss, addr / TARGET_PAGE_SIZE, 1, &key)) {
         return 0;
     }
    /*
-- 
2.31.1




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