commit 78a1e153f93e7bbec5d7efefa5f89fd011e9220f
author Ilya Leoshkevich <iii@linux.ibm.com> Tue Jul 04 10:12:25 2023 +0200
committer Thomas Huth <thuth@redhat.com> Mon Jul 10 15:34:23 2023 +0200
tree 648fe5821b2d5e1161fac5b25c37617ec831a2f0
parent f5f9c6ea11bc807664fdeb9354915c2c9cdcbd89

linux-user: elfload: Add more initial s390x PSW bits

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

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 9a2ec56..d3d1352 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1635,7 +1635,9 @@
 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;
 }