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[PATCH v2 13/13] s390x: protvirt: Handle SIGP store status correctly
From: |
Janosch Frank |
Subject: |
[PATCH v2 13/13] s390x: protvirt: Handle SIGP store status correctly |
Date: |
Fri, 29 Nov 2019 04:48:09 -0500 |
Status storing is obviously not done by qemu anymore.
Signed-off-by: Janosch Frank <address@hidden>
---
target/s390x/helper.c | 4 ++++
target/s390x/sigp.c | 1 +
2 files changed, 5 insertions(+)
diff --git a/target/s390x/helper.c b/target/s390x/helper.c
index a3a49164e4..3800c4b395 100644
--- a/target/s390x/helper.c
+++ b/target/s390x/helper.c
@@ -246,6 +246,10 @@ int s390_store_status(S390CPU *cpu, hwaddr addr, bool
store_arch)
hwaddr len = sizeof(*sa);
int i;
+ if (cpu->env.pv) {
+ return 0;
+ }
+
sa = cpu_physical_memory_map(addr, &len, 1);
if (!sa) {
return -EFAULT;
diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c
index 727875bb4a..2007946299 100644
--- a/target/s390x/sigp.c
+++ b/target/s390x/sigp.c
@@ -497,6 +497,7 @@ void do_stop_interrupt(CPUS390XState *env)
if (s390_cpu_set_state(S390_CPU_STATE_STOPPED, cpu) == 0) {
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
}
+ /* Storing will occur on next SIE entry for fmt 4 */
if (cpu->env.sigp_order == SIGP_STOP_STORE_STATUS) {
s390_store_status(cpu, S390_STORE_STATUS_DEF_ADDR, true);
}
--
2.20.1
[PATCH v2 13/13] s390x: protvirt: Handle SIGP store status correctly,
Janosch Frank <=
[PATCH v2 10/13] s390x: protvirt: Set guest IPL PSW, Janosch Frank, 2019/11/29
[PATCH v2 12/13] s390x: protvirt: Disable address checks for PV guest IO emulation, Janosch Frank, 2019/11/29
[PATCH v2 11/13] s390x: protvirt: Move diag 308 data over SIDAD, Janosch Frank, 2019/11/29