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Back out pushl/popl -> movl change. copy_fault is also used by kcopy(9).

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This commit is contained in:
junyoung 2002-10-04 06:43:40 +00:00
parent 3a856ad198
commit acd50bf487
1 changed files with 20 additions and 17 deletions
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37
sys/arch/i386/i386/locore.s
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@ -1,4 +1,4 @@
/* $NetBSD: locore.s,v 1.263 2002/10/04 04:40:12 junyoung Exp $ */
/* $NetBSD: locore.s,v 1.264 2002/10/04 06:43:40 junyoung Exp $ */
/*-
* Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@ -980,10 +980,11 @@ ENTRY(copyout)
ENTRY(i386_copyout)
pushl %esi
pushl %edi
pushl $0
movl 12(%esp),%esi
movl 16(%esp),%edi
movl 20(%esp),%eax
movl 16(%esp),%esi
movl 20(%esp),%edi
movl 24(%esp),%eax
/*
* We check that the end of the destination buffer is not past the end
@ -1057,10 +1058,10 @@ ENTRY(i386_copyout)
rep
movsb
xorl %eax,%eax
popl PCB_ONFAULT(%edx)
popl %edi
popl %esi
movl %eax,PCB_ONFAULT(%edx)
xorl %eax,%eax
ret
#endif /* I386_CPU */
@ -1069,10 +1070,11 @@ ENTRY(i386_copyout)
ENTRY(i486_copyout)
pushl %esi
pushl %edi
pushl $0
movl 12(%esp),%esi
movl 16(%esp),%edi
movl 20(%esp),%eax
movl 16(%esp),%esi
movl 20(%esp),%edi
movl 24(%esp),%eax
/*
* We check that the end of the destination buffer is not past the end
@ -1098,10 +1100,10 @@ ENTRY(i486_copyout)
rep
movsb
xorl %eax,%eax
popl PCB_ONFAULT(%edx)
popl %edi
popl %esi
movl %eax,PCB_ONFAULT(%edx)
xorl %eax,%eax
ret
#endif /* I486_CPU || I586_CPU || I686_CPU */
@ -1121,11 +1123,12 @@ ENTRY(i386_copyin)
pushl %esi
pushl %edi
GET_CURPCB(%eax)
pushl $0
movl $_C_LABEL(copy_fault),PCB_ONFAULT(%eax)
movl 12(%esp),%esi
movl 16(%esp),%edi
movl 20(%esp),%eax
movl 16(%esp),%esi
movl 20(%esp),%edi
movl 24(%esp),%eax
/*
* We check that the end of the destination buffer is not past the end
@ -1150,10 +1153,10 @@ ENTRY(i386_copyin)
movsb
GET_CURPCB(%edx)
xorl %eax,%eax
popl PCB_ONFAULT(%edx)
popl %edi
popl %esi
movl %eax,PCB_ONFAULT(%edx)
xorl %eax,%eax
ret
#endif /* I386_CPU || I486_CPU || I586_CPU || I686_CPU */
@ -1164,7 +1167,7 @@ NENTRY(copy_efault)
/* LINTSTUB: Ignore */
NENTRY(copy_fault)
GET_CURPCB(%edx)
movl $0,PCB_ONFAULT(%edx)
popl PCB_ONFAULT(%edx)
popl %edi
popl %esi
ret