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restore PSW like 9393439a20 for AMD syscall

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Change-Id: I5c4702a8a377a71aa9af26c8e72e30d44db7d321
This commit is contained in:
Ben Gras 2014-11-20 16:42:32 +00:00
parent 65eccd1f74
commit 098f15923f
1 changed files with 6 additions and 1 deletions
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7
minix/kernel/arch/i386/mpx.S
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@ -422,7 +422,12 @@ ENTRY(restore_user_context_syscall)
mov SPREG(%ebp), %esp /* restore ESP directly */
mov AXREG(%ebp), %eax /* trap return value */
mov BXREG(%ebp), %ebx /* secondary return value */
movl PSWREG(%ebp), %edi /* load desired PSW to EDI */
/* restore PSW */
movl PSWREG(%ebp), %edi /* load desired PSW to EDI */
push %edi
popf
sysret /* jump to EIP in user */
ENTRY(restore_user_context_int)