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Remove unused bcopyb.

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Differential Revision: https://reviews.freebsd.org/D15374
This commit is contained in:
Warner Losh 2018-05-10 02:31:54 +00:00
parent baaa3c4d60
commit 3429b518c9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=333445
2 changed files with 0 additions and 32 deletions
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31
sys/i386/i386/support.s
View File

@ -145,37 +145,6 @@ ENTRY(fillw)
ret
END(fillw)
ENTRY(bcopyb)
pushl %esi
pushl %edi
movl 12(%esp),%esi
movl 16(%esp),%edi
movl 20(%esp),%ecx
movl %edi,%eax
subl %esi,%eax
cmpl %ecx,%eax /* overlapping && src < dst? */
jb 1f
rep
movsb
popl %edi
popl %esi
ret
ALIGN_TEXT
1:
addl %ecx,%edi /* copy backwards. */
addl %ecx,%esi
decl %edi
decl %esi
std
rep
movsb
popl %edi
popl %esi
cld
ret
END(bcopyb)
/*
* bcopy(src, dst, cnt)
* ws@tools.de (Wolfgang Solfrank, TooLs GmbH) +49-228-985800

1
sys/i386/include/md_var.h
View File

@ -54,7 +54,6 @@ extern uintptr_t setidt_disp;
struct segment_descriptor;
union savefpu;
void bcopyb(const void *from, void *to, size_t len);
int cp_slow0(vm_offset_t uva, size_t len, bool write,
void (*f)(vm_offset_t, void *), void *arg);
void cpu_switch_load_gs(void) __asm(__STRING(cpu_switch_load_gs));