Added some missing cld's (OOPS!) and changed the position of some of
the others to make them easier to spot.
This commit is contained in:
David Greenman
parent
3c256f5395
commit
667f0edb2b
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@ -354,8 +354,8 @@ bcopyw:
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movl 20(%esp),%ecx
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cmpl %esi,%edi /* potentially overlapping? */
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jnb 1f
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cld /* nope, copy forwards */
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shrl $1,%ecx /* copy by 16-bit words */
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cld /* nope, copy forwards */
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rep
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movsw
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adc %ecx,%ecx /* any bytes left? */
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@ -369,10 +369,10 @@ bcopyw:
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1:
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addl %ecx,%edi /* copy backwards */
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addl %ecx,%esi
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std
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andl $1,%ecx /* any fractional bytes? */
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decl %edi
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decl %esi
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std
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rep
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movsb
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movl 20(%esp),%ecx /* copy remainder by 16-bit words */
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@ -408,8 +408,8 @@ bcopy:
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movl 20(%esp),%ecx
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cmpl %esi,%edi /* potentially overlapping? */
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jnb 1f
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cld /* nope, copy forwards */
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shrl $2,%ecx /* copy by 32-bit words */
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cld /* nope, copy forwards */
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rep
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movsl
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movl 20(%esp),%ecx
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@ -424,10 +424,10 @@ bcopy:
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1:
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addl %ecx,%edi /* copy backwards */
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addl %ecx,%esi
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std
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andl $3,%ecx /* any fractional bytes? */
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decl %edi
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decl %esi
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std
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rep
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movsb
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movl 20(%esp),%ecx /* copy remainder by 32-bit words */
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@ -577,9 +577,9 @@ ENTRY(copyout) /* copyout(from_kernel, to_user, len) */
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/* bcopy(%esi, %edi, %ebx) */
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3:
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cld
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movl %ebx,%ecx
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shrl $2,%ecx
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cld
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rep
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movsl
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movb %bl,%cl
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@ -857,6 +857,7 @@ ENTRY(copyoutstr)
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movl 12(%esp),%esi /* %esi = from */
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movl 16(%esp),%edi /* %edi = to */
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movl 20(%esp),%edx /* %edx = maxlen */
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cld
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#if defined(I386_CPU)
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@ -886,6 +887,7 @@ ENTRY(copyoutstr)
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pushl %edx
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pushl %edi
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call _trapwrite
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cld
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popl %edi
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popl %edx
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orl %eax,%eax
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@ -990,6 +992,7 @@ ENTRY(copyinstr)
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movl __udatasel,%eax
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movl %ax,%gs
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incl %edx
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cld
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1:
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decl %edx
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jz 2f
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@ -1038,7 +1041,7 @@ ENTRY(copystr)
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movl 16(%esp),%edi /* %edi = to */
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movl 20(%esp),%edx /* %edx = maxlen */
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incl %edx
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cld
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1:
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decl %edx
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jz 4f
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@ -354,8 +354,8 @@ bcopyw:
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movl 20(%esp),%ecx
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cmpl %esi,%edi /* potentially overlapping? */
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jnb 1f
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cld /* nope, copy forwards */
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shrl $1,%ecx /* copy by 16-bit words */
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cld /* nope, copy forwards */
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rep
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movsw
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adc %ecx,%ecx /* any bytes left? */
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@ -369,10 +369,10 @@ bcopyw:
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1:
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addl %ecx,%edi /* copy backwards */
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addl %ecx,%esi
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std
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andl $1,%ecx /* any fractional bytes? */
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decl %edi
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decl %esi
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std
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rep
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movsb
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movl 20(%esp),%ecx /* copy remainder by 16-bit words */
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@ -408,8 +408,8 @@ bcopy:
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movl 20(%esp),%ecx
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cmpl %esi,%edi /* potentially overlapping? */
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jnb 1f
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cld /* nope, copy forwards */
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shrl $2,%ecx /* copy by 32-bit words */
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cld /* nope, copy forwards */
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rep
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movsl
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movl 20(%esp),%ecx
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@ -424,10 +424,10 @@ bcopy:
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1:
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addl %ecx,%edi /* copy backwards */
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addl %ecx,%esi
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std
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andl $3,%ecx /* any fractional bytes? */
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decl %edi
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decl %esi
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std
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rep
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movsb
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movl 20(%esp),%ecx /* copy remainder by 32-bit words */
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@ -577,9 +577,9 @@ ENTRY(copyout) /* copyout(from_kernel, to_user, len) */
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/* bcopy(%esi, %edi, %ebx) */
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3:
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cld
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movl %ebx,%ecx
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shrl $2,%ecx
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cld
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rep
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movsl
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movb %bl,%cl
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@ -857,6 +857,7 @@ ENTRY(copyoutstr)
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movl 12(%esp),%esi /* %esi = from */
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movl 16(%esp),%edi /* %edi = to */
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movl 20(%esp),%edx /* %edx = maxlen */
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cld
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#if defined(I386_CPU)
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@ -886,6 +887,7 @@ ENTRY(copyoutstr)
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pushl %edx
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pushl %edi
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call _trapwrite
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cld
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popl %edi
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popl %edx
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orl %eax,%eax
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@ -990,6 +992,7 @@ ENTRY(copyinstr)
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movl __udatasel,%eax
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movl %ax,%gs
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incl %edx
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cld
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1:
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decl %edx
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jz 2f
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@ -1038,7 +1041,7 @@ ENTRY(copystr)
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movl 16(%esp),%edi /* %edi = to */
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movl 20(%esp),%edx /* %edx = maxlen */
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incl %edx
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cld
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1:
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decl %edx
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jz 4f
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@ -354,8 +354,8 @@ bcopyw:
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movl 20(%esp),%ecx
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cmpl %esi,%edi /* potentially overlapping? */
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jnb 1f
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cld /* nope, copy forwards */
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shrl $1,%ecx /* copy by 16-bit words */
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cld /* nope, copy forwards */
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rep
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movsw
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adc %ecx,%ecx /* any bytes left? */
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@ -369,10 +369,10 @@ bcopyw:
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1:
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addl %ecx,%edi /* copy backwards */
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addl %ecx,%esi
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std
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andl $1,%ecx /* any fractional bytes? */
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decl %edi
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decl %esi
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std
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rep
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movsb
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movl 20(%esp),%ecx /* copy remainder by 16-bit words */
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@ -408,8 +408,8 @@ bcopy:
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movl 20(%esp),%ecx
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cmpl %esi,%edi /* potentially overlapping? */
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jnb 1f
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cld /* nope, copy forwards */
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shrl $2,%ecx /* copy by 32-bit words */
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cld /* nope, copy forwards */
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rep
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movsl
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movl 20(%esp),%ecx
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@ -424,10 +424,10 @@ bcopy:
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1:
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addl %ecx,%edi /* copy backwards */
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addl %ecx,%esi
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std
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andl $3,%ecx /* any fractional bytes? */
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decl %edi
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decl %esi
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std
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rep
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movsb
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movl 20(%esp),%ecx /* copy remainder by 32-bit words */
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@ -577,9 +577,9 @@ ENTRY(copyout) /* copyout(from_kernel, to_user, len) */
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/* bcopy(%esi, %edi, %ebx) */
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3:
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cld
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movl %ebx,%ecx
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shrl $2,%ecx
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cld
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rep
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movsl
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movb %bl,%cl
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@ -857,6 +857,7 @@ ENTRY(copyoutstr)
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movl 12(%esp),%esi /* %esi = from */
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movl 16(%esp),%edi /* %edi = to */
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movl 20(%esp),%edx /* %edx = maxlen */
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cld
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#if defined(I386_CPU)
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@ -886,6 +887,7 @@ ENTRY(copyoutstr)
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pushl %edx
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pushl %edi
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call _trapwrite
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cld
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popl %edi
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popl %edx
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orl %eax,%eax
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@ -990,6 +992,7 @@ ENTRY(copyinstr)
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movl __udatasel,%eax
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movl %ax,%gs
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incl %edx
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cld
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1:
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decl %edx
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jz 2f
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@ -1038,7 +1041,7 @@ ENTRY(copystr)
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movl 16(%esp),%edi /* %edi = to */
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movl 20(%esp),%edx /* %edx = maxlen */
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incl %edx
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cld
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1:
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decl %edx
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jz 4f
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