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authorDavid Hildenbrand <david@redhat.com>2019-09-03 13:44:55 +0200
committerDavid Hildenbrand <david@redhat.com>2019-09-23 09:28:29 +0200
commit43df3e71e3c3cc53d294b3c3bed0e860df91ea13 (patch)
tree8c00a46aceb008563c50b43e785faff6220f66af /target
parent86678418b266efcf2a8539e625a98d3ffc5018c4 (diff)
downloadqemu-43df3e71e3c3cc53d294b3c3bed0e860df91ea13.zip
s390x/tcg: MVCS/MVCP: Check for special operation exceptions
Let's perform the documented checks. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
Diffstat (limited to 'target')
-rw-r--r--target/s390x/mem_helper.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index 86238e0163..20e1ac0ea9 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -1960,12 +1960,18 @@ uint32_t HELPER(rrbe)(CPUS390XState *env, uint64_t r2)
uint32_t HELPER(mvcs)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_t a2)
{
+ const uint8_t psw_as = (env->psw.mask & PSW_MASK_ASC) >> PSW_SHIFT_ASC;
uintptr_t ra = GETPC();
int cc = 0, i;
HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n",
__func__, l, a1, a2);
+ if (!(env->psw.mask & PSW_MASK_DAT) || !(env->cregs[0] & CR0_SECONDARY) ||
+ psw_as == AS_HOME || psw_as == AS_ACCREG) {
+ s390_program_interrupt(env, PGM_SPECIAL_OP, ILEN_AUTO, ra);
+ }
+
if (l > 256) {
/* max 256 */
l = 256;
@@ -1983,12 +1989,18 @@ uint32_t HELPER(mvcs)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_t a2)
uint32_t HELPER(mvcp)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_t a2)
{
+ const uint8_t psw_as = (env->psw.mask & PSW_MASK_ASC) >> PSW_SHIFT_ASC;
uintptr_t ra = GETPC();
int cc = 0, i;
HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n",
__func__, l, a1, a2);
+ if (!(env->psw.mask & PSW_MASK_DAT) || !(env->cregs[0] & CR0_SECONDARY) ||
+ psw_as == AS_HOME || psw_as == AS_ACCREG) {
+ s390_program_interrupt(env, PGM_SPECIAL_OP, ILEN_AUTO, ra);
+ }
+
if (l > 256) {
/* max 256 */
l = 256;