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Added some missing cld's (OOPS!) and changed the position of some of

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the others to make them easier to spot.
This commit is contained in:
David Greenman 1994-06-06 14:12:50 +00:00
parent 0a620217f0
commit baa2452312
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=1688
6 changed files with 36 additions and 63 deletions
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3
sys/amd64/amd64/locore.S
View File

@ -163,6 +163,7 @@ NON_GPROF_ENTRY(btext)
movl _nfs_diskless_size-KERNBASE,%ecx
movl 20(%esp),%esi
movl $(_nfs_diskless-KERNBASE),%edi
cld
rep
movsb
#endif
@ -367,6 +368,7 @@ NON_GPROF_ENTRY(btext)
movl $_gdt-KERNBASE,%edi
movl %edi,2(%esp)
movl $8*18/4,%ecx
cld
rep /* copy gdt */
movsl
movl $_gdt-KERNBASE,-8+2(%edi) /* adjust gdt self-ptr */
@ -388,6 +390,7 @@ NON_GPROF_ENTRY(btext)
movl $_idt-KERNBASE,%edi
movl %edi,6+2(%esp)
movl $8*4/4,%ecx
cld
rep /* copy idt */
movsl

3
sys/amd64/amd64/locore.s
View File

@ -163,6 +163,7 @@ NON_GPROF_ENTRY(btext)
movl _nfs_diskless_size-KERNBASE,%ecx
movl 20(%esp),%esi
movl $(_nfs_diskless-KERNBASE),%edi
cld
rep
movsb
#endif
@ -367,6 +368,7 @@ NON_GPROF_ENTRY(btext)
movl $_gdt-KERNBASE,%edi
movl %edi,2(%esp)
movl $8*18/4,%ecx
cld
rep /* copy gdt */
movsl
movl $_gdt-KERNBASE,-8+2(%edi) /* adjust gdt self-ptr */
@ -388,6 +390,7 @@ NON_GPROF_ENTRY(btext)
movl $_idt-KERNBASE,%edi
movl %edi,6+2(%esp)
movl $8*4/4,%ecx
cld
rep /* copy idt */
movsl

30
sys/amd64/amd64/support.S
View File

@ -354,8 +354,8 @@ bcopyw:
movl 20(%esp),%ecx
cmpl %esi,%edi /* potentially overlapping? */
jnb 1f
cld /* nope, copy forwards */
shrl $1,%ecx /* copy by 16-bit words */
cld /* nope, copy forwards */
rep
movsw
adc %ecx,%ecx /* any bytes left? */
@ -369,10 +369,10 @@ bcopyw:
1:
addl %ecx,%edi /* copy backwards */
addl %ecx,%esi
std
andl $1,%ecx /* any fractional bytes? */
decl %edi
decl %esi
std
rep
movsb
movl 20(%esp),%ecx /* copy remainder by 16-bit words */
@ -408,8 +408,8 @@ bcopy:
movl 20(%esp),%ecx
cmpl %esi,%edi /* potentially overlapping? */
jnb 1f
cld /* nope, copy forwards */
shrl $2,%ecx /* copy by 32-bit words */
cld /* nope, copy forwards */
rep
movsl
movl 20(%esp),%ecx
@ -424,10 +424,10 @@ bcopy:
1:
addl %ecx,%edi /* copy backwards */
addl %ecx,%esi
std
andl $3,%ecx /* any fractional bytes? */
decl %edi
decl %esi
std
rep
movsb
movl 20(%esp),%ecx /* copy remainder by 32-bit words */
@ -577,9 +577,9 @@ ENTRY(copyout) /* copyout(from_kernel, to_user, len) */
/* bcopy(%esi, %edi, %ebx) */
3:
cld
movl %ebx,%ecx
shrl $2,%ecx
cld
rep
movsl
movb %bl,%cl
@ -835,6 +835,7 @@ ENTRY(copyoutstr)
movl 12(%esp),%esi /* %esi = from */
movl 16(%esp),%edi /* %edi = to */
movl 20(%esp),%edx /* %edx = maxlen */
cld
#if defined(I386_CPU)
@ -864,6 +865,7 @@ ENTRY(copyoutstr)
pushl %edx
pushl %edi
call _trapwrite
cld
popl %edi
popl %edx
orl %eax,%eax
@ -949,7 +951,7 @@ ENTRY(copyinstr)
movl 16(%esp),%edi /* %edi = to */
movl 20(%esp),%edx /* %edx = maxlen */
incl %edx
cld
1:
decl %edx
jz 4f
@ -998,7 +1000,7 @@ ENTRY(copystr)
movl 16(%esp),%edi /* %edi = to */
movl 20(%esp),%edx /* %edx = maxlen */
incl %edx
cld
1:
decl %edx
jz 4f
@ -1097,15 +1099,6 @@ ENTRY(ssdtosd)
popl %ebx
ret
#if 0
/* tlbflush() */
ENTRY(tlbflush)
movl %cr3,%eax
orl $I386_CR3PAT,%eax
movl %eax,%cr3
ret
#endif
/* load_cr0(cr0) */
ENTRY(load_cr0)
movl 4(%esp),%eax
@ -1117,11 +1110,6 @@ ENTRY(rcr0)
movl %cr0,%eax
ret
/* rcr2() */
ENTRY(rcr2)
movl %cr2,%eax
ret
/* rcr3() */
ENTRY(rcr3)
movl %cr3,%eax

30
sys/amd64/amd64/support.s
View File

@ -354,8 +354,8 @@ bcopyw:
movl 20(%esp),%ecx
cmpl %esi,%edi /* potentially overlapping? */
jnb 1f
cld /* nope, copy forwards */
shrl $1,%ecx /* copy by 16-bit words */
cld /* nope, copy forwards */
rep
movsw
adc %ecx,%ecx /* any bytes left? */
@ -369,10 +369,10 @@ bcopyw:
1:
addl %ecx,%edi /* copy backwards */
addl %ecx,%esi
std
andl $1,%ecx /* any fractional bytes? */
decl %edi
decl %esi
std
rep
movsb
movl 20(%esp),%ecx /* copy remainder by 16-bit words */
@ -408,8 +408,8 @@ bcopy:
movl 20(%esp),%ecx
cmpl %esi,%edi /* potentially overlapping? */
jnb 1f
cld /* nope, copy forwards */
shrl $2,%ecx /* copy by 32-bit words */
cld /* nope, copy forwards */
rep
movsl
movl 20(%esp),%ecx
@ -424,10 +424,10 @@ bcopy:
1:
addl %ecx,%edi /* copy backwards */
addl %ecx,%esi
std
andl $3,%ecx /* any fractional bytes? */
decl %edi
decl %esi
std
rep
movsb
movl 20(%esp),%ecx /* copy remainder by 32-bit words */
@ -577,9 +577,9 @@ ENTRY(copyout) /* copyout(from_kernel, to_user, len) */
/* bcopy(%esi, %edi, %ebx) */
3:
cld
movl %ebx,%ecx
shrl $2,%ecx
cld
rep
movsl
movb %bl,%cl
@ -835,6 +835,7 @@ ENTRY(copyoutstr)
movl 12(%esp),%esi /* %esi = from */
movl 16(%esp),%edi /* %edi = to */
movl 20(%esp),%edx /* %edx = maxlen */
cld
#if defined(I386_CPU)
@ -864,6 +865,7 @@ ENTRY(copyoutstr)
pushl %edx
pushl %edi
call _trapwrite
cld
popl %edi
popl %edx
orl %eax,%eax
@ -949,7 +951,7 @@ ENTRY(copyinstr)
movl 16(%esp),%edi /* %edi = to */
movl 20(%esp),%edx /* %edx = maxlen */
incl %edx
cld
1:
decl %edx
jz 4f
@ -998,7 +1000,7 @@ ENTRY(copystr)
movl 16(%esp),%edi /* %edi = to */
movl 20(%esp),%edx /* %edx = maxlen */
incl %edx
cld
1:
decl %edx
jz 4f
@ -1097,15 +1099,6 @@ ENTRY(ssdtosd)
popl %ebx
ret
#if 0
/* tlbflush() */
ENTRY(tlbflush)
movl %cr3,%eax
orl $I386_CR3PAT,%eax
movl %eax,%cr3
ret
#endif
/* load_cr0(cr0) */
ENTRY(load_cr0)
movl 4(%esp),%eax
@ -1117,11 +1110,6 @@ ENTRY(rcr0)
movl %cr0,%eax
ret
/* rcr2() */
ENTRY(rcr2)
movl %cr2,%eax
ret
/* rcr3() */
ENTRY(rcr3)
movl %cr3,%eax

3
sys/i386/i386/locore.s
View File

@ -163,6 +163,7 @@ NON_GPROF_ENTRY(btext)
movl _nfs_diskless_size-KERNBASE,%ecx
movl 20(%esp),%esi
movl $(_nfs_diskless-KERNBASE),%edi
cld
rep
movsb
#endif
@ -367,6 +368,7 @@ NON_GPROF_ENTRY(btext)
movl $_gdt-KERNBASE,%edi
movl %edi,2(%esp)
movl $8*18/4,%ecx
cld
rep /* copy gdt */
movsl
movl $_gdt-KERNBASE,-8+2(%edi) /* adjust gdt self-ptr */
@ -388,6 +390,7 @@ NON_GPROF_ENTRY(btext)
movl $_idt-KERNBASE,%edi
movl %edi,6+2(%esp)
movl $8*4/4,%ecx
cld
rep /* copy idt */
movsl

30
sys/i386/i386/support.s
View File

@ -354,8 +354,8 @@ bcopyw:
movl 20(%esp),%ecx
cmpl %esi,%edi /* potentially overlapping? */
jnb 1f
cld /* nope, copy forwards */
shrl $1,%ecx /* copy by 16-bit words */
cld /* nope, copy forwards */
rep
movsw
adc %ecx,%ecx /* any bytes left? */
@ -369,10 +369,10 @@ bcopyw:
1:
addl %ecx,%edi /* copy backwards */
addl %ecx,%esi
std
andl $1,%ecx /* any fractional bytes? */
decl %edi
decl %esi
std
rep
movsb
movl 20(%esp),%ecx /* copy remainder by 16-bit words */
@ -408,8 +408,8 @@ bcopy:
movl 20(%esp),%ecx
cmpl %esi,%edi /* potentially overlapping? */
jnb 1f
cld /* nope, copy forwards */
shrl $2,%ecx /* copy by 32-bit words */
cld /* nope, copy forwards */
rep
movsl
movl 20(%esp),%ecx
@ -424,10 +424,10 @@ bcopy:
1:
addl %ecx,%edi /* copy backwards */
addl %ecx,%esi
std
andl $3,%ecx /* any fractional bytes? */
decl %edi
decl %esi
std
rep
movsb
movl 20(%esp),%ecx /* copy remainder by 32-bit words */
@ -577,9 +577,9 @@ ENTRY(copyout) /* copyout(from_kernel, to_user, len) */
/* bcopy(%esi, %edi, %ebx) */
3:
cld
movl %ebx,%ecx
shrl $2,%ecx
cld
rep
movsl
movb %bl,%cl
@ -835,6 +835,7 @@ ENTRY(copyoutstr)
movl 12(%esp),%esi /* %esi = from */
movl 16(%esp),%edi /* %edi = to */
movl 20(%esp),%edx /* %edx = maxlen */
cld
#if defined(I386_CPU)
@ -864,6 +865,7 @@ ENTRY(copyoutstr)
pushl %edx
pushl %edi
call _trapwrite
cld
popl %edi
popl %edx
orl %eax,%eax
@ -949,7 +951,7 @@ ENTRY(copyinstr)
movl 16(%esp),%edi /* %edi = to */
movl 20(%esp),%edx /* %edx = maxlen */
incl %edx
cld
1:
decl %edx
jz 4f
@ -998,7 +1000,7 @@ ENTRY(copystr)
movl 16(%esp),%edi /* %edi = to */
movl 20(%esp),%edx /* %edx = maxlen */
incl %edx
cld
1:
decl %edx
jz 4f
@ -1097,15 +1099,6 @@ ENTRY(ssdtosd)
popl %ebx
ret
#if 0
/* tlbflush() */
ENTRY(tlbflush)
movl %cr3,%eax
orl $I386_CR3PAT,%eax
movl %eax,%cr3
ret
#endif
/* load_cr0(cr0) */
ENTRY(load_cr0)
movl 4(%esp),%eax
@ -1117,11 +1110,6 @@ ENTRY(rcr0)
movl %cr0,%eax
ret
/* rcr2() */
ENTRY(rcr2)
movl %cr2,%eax
ret
/* rcr3() */
ENTRY(rcr3)
movl %cr3,%eax