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[PULL,02/21] linux-user: elfload: Add more initial s390x PSW bits

Message ID 20230710121543.197250-3-thuth@redhat.com
State New
Headers show
Series [PULL,01/21] hw/s390x: Move KVM specific PV from hw/ to target/s390x/kvm/ | expand

Commit Message

Thomas Huth July 10, 2023, 12:15 p.m. UTC 
From: Ilya Leoshkevich <iii@linux.ibm.com>

Make the PSW look more similar to the real s390x userspace PSW.
Except for being there, the newly added bits should not affect the
userspace code execution.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230704081506.276055-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 linux-user/elfload.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 9a2ec568b0..d3d1352c4e 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1635,7 +1635,9 @@  const char *elf_hwcap_str(uint32_t bit)
 static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
 {
     regs->psw.addr = infop->entry;
-    regs->psw.mask = PSW_MASK_64 | PSW_MASK_32;
+    regs->psw.mask = PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT | \
+                     PSW_MASK_MCHECK | PSW_MASK_PSTATE | PSW_MASK_64 | \
+                     PSW_MASK_32;
     regs->gprs[15] = infop->start_stack;
 }