aboutsummaryrefslogtreecommitdiff
path: root/target-s390x/mem_helper.c
diff options
context:
space:
mode:
authorAurelien Jarno <aurelien@aurel32.net>2015-06-13 00:46:01 +0200
committerAlexander Graf <agraf@suse.de>2015-06-17 12:40:52 +0200
commit2f54394997bfc808bbfbebb2d8294edd17d63808 (patch)
tree96afc8db13112b57425d0be22df77bf1b3a5a3cb /target-s390x/mem_helper.c
parent311918b979c5364c30392c1054ed77d047a83953 (diff)
downloadqemu-2f54394997bfc808bbfbebb2d8294edd17d63808.zip
qemu-2f54394997bfc808bbfbebb2d8294edd17d63808.tar.gz
qemu-2f54394997bfc808bbfbebb2d8294edd17d63808.tar.bz2
target-s390x: PER store-using-real-address event support
This PER event happens each time the STURA or STURG instructions are used. As they use helpers, we can just save the event in the PER code there, if enabled. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-s390x/mem_helper.c')
-rw-r--r--target-s390x/mem_helper.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/target-s390x/mem_helper.c b/target-s390x/mem_helper.c
index d03f9fd..3ccbeb9 100644
--- a/target-s390x/mem_helper.c
+++ b/target-s390x/mem_helper.c
@@ -1105,6 +1105,14 @@ void HELPER(stura)(CPUS390XState *env, uint64_t addr, uint64_t v1)
CPUState *cs = CPU(s390_env_get_cpu(env));
stl_phys(cs->as, get_address(env, 0, 0, addr), (uint32_t)v1);
+
+ if ((env->psw.mask & PSW_MASK_PER) &&
+ (env->cregs[9] & PER_CR9_EVENT_STORE) &&
+ (env->cregs[9] & PER_CR9_EVENT_STORE_REAL)) {
+ /* PSW is saved just before calling the helper. */
+ env->per_address = env->psw.addr;
+ env->per_perc_atmid = PER_CODE_EVENT_STORE_REAL | get_per_atmid(env);
+ }
}
void HELPER(sturg)(CPUS390XState *env, uint64_t addr, uint64_t v1)
@@ -1112,6 +1120,14 @@ void HELPER(sturg)(CPUS390XState *env, uint64_t addr, uint64_t v1)
CPUState *cs = CPU(s390_env_get_cpu(env));
stq_phys(cs->as, get_address(env, 0, 0, addr), v1);
+
+ if ((env->psw.mask & PSW_MASK_PER) &&
+ (env->cregs[9] & PER_CR9_EVENT_STORE) &&
+ (env->cregs[9] & PER_CR9_EVENT_STORE_REAL)) {
+ /* PSW is saved just before calling the helper. */
+ env->per_address = env->psw.addr;
+ env->per_perc_atmid = PER_CODE_EVENT_STORE_REAL | get_per_atmid(env);
+ }
}
/* load real address */