summary refs log tree commit diff stats
path: root/target/s390x/cpu.c
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2020-04-30 14:00:36 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-04-30 14:00:36 +0100
commit16aaacb307ed607b9780c12702c44f0fe52edc7e (patch)
tree46cb25b7cfb44f59cb0f49c03b93ad1089199f68 /target/s390x/cpu.c
parent68bfd7db1e8b718187fd0ba4dde32396efcde668 (diff)
parentfbc1384ccd48fa7c0c38f950adf7992a4fb6042e (diff)
downloadfocaccia-qemu-16aaacb307ed607b9780c12702c44f0fe52edc7e.tar.gz
focaccia-qemu-16aaacb307ed607b9780c12702c44f0fe52edc7e.zip
Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20200430' into staging
- update Linux headers to 5.7-rc3 (and virtio-net fixup)
- support for protected virtualization aka secure execution

# gpg: Signature made Thu 30 Apr 2020 10:41:31 BST
# gpg:                using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg:                issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [marginal]
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>" [marginal]
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>" [marginal]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20200430:
  s390x/s390-virtio-ccw: Fix build on systems without KVM
  s390x/pv: Retry ioctls on -EINTR
  s390x: protvirt: Fix stray error_report_err in s390_machine_protect
  s390x: Add unpack facility feature to GA1
  docs: system: Add protvirt docs
  s390x: protvirt: Handle SIGP store status correctly
  s390x: protvirt: Move IO control structures over SIDA
  s390x: protvirt: Disable address checks for PV guest IO emulation
  s390x: protvirt: Move diag 308 data over SIDA
  s390x: protvirt: Set guest IPL PSW
  s390x: protvirt: SCLP interpretation
  s390x: protvirt: Move STSI data over SIDAD
  s390x: Add SIDA memory ops
  s390x: protvirt: KVM intercept changes
  s390x: protvirt: Inhibit balloon when switching to protected mode
  s390x: protvirt: Add migration blocker
  s390x: protvirt: Support unpack facility
  s390x: Move diagnose 308 subcodes and rcs into ipl.h
  linux-headers: update against Linux 5.7-rc3
  virtio-net: fix rsc_ext compat handling

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/s390x/cpu.c')
-rw-r--r--target/s390x/cpu.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index 427a46e3e1..f2ccf0a06a 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -37,6 +37,7 @@
 #include "sysemu/hw_accel.h"
 #include "hw/qdev-properties.h"
 #ifndef CONFIG_USER_ONLY
+#include "hw/s390x/pv.h"
 #include "hw/boards.h"
 #include "sysemu/arch_init.h"
 #include "sysemu/sysemu.h"
@@ -76,16 +77,24 @@ static bool s390_cpu_has_work(CPUState *cs)
 static void s390_cpu_load_normal(CPUState *s)
 {
     S390CPU *cpu = S390_CPU(s);
-    uint64_t spsw = ldq_phys(s->as, 0);
-
-    cpu->env.psw.mask = spsw & PSW_MASK_SHORT_CTRL;
-    /*
-     * Invert short psw indication, so SIE will report a specification
-     * exception if it was not set.
-     */
-    cpu->env.psw.mask ^= PSW_MASK_SHORTPSW;
-    cpu->env.psw.addr = spsw & PSW_MASK_SHORT_ADDR;
+    uint64_t spsw;
 
+    if (!s390_is_pv()) {
+        spsw = ldq_phys(s->as, 0);
+        cpu->env.psw.mask = spsw & PSW_MASK_SHORT_CTRL;
+        /*
+         * Invert short psw indication, so SIE will report a specification
+         * exception if it was not set.
+         */
+        cpu->env.psw.mask ^= PSW_MASK_SHORTPSW;
+        cpu->env.psw.addr = spsw & PSW_MASK_SHORT_ADDR;
+    } else {
+        /*
+         * Firmware requires us to set the load state before we set
+         * the cpu to operating on protected guests.
+         */
+        s390_cpu_set_state(S390_CPU_STATE_LOAD, cpu);
+    }
     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
 }
 #endif