Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Removed functions moved to libkern: strcpy, strlen, ffs, etc.

Browse Source
This commit is contained in:
jtc 1993-09-11 00:12:56 +00:00
parent c9dca7f48a
commit cab4d78107
1 changed files with 1 additions and 90 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

91
sys/arch/i386/i386/locore.s
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)locore.s 7.3 (Berkeley) 5/13/91
* $Id: locore.s,v 1.28 1993/08/29 12:48:54 brezak Exp $
* $Id: locore.s,v 1.29 1993/09/11 00:12:56 jtc Exp $
*/
@ -573,7 +573,6 @@ ENTRY(inw)
inw %dx,%ax
ret
ENTRY(rtcin)
movl 4(%esp),%eax
outb %al,$0x70
@ -597,30 +596,9 @@ ENTRY(outw)
NOP
ret
/*
* void bzero(void *base, u_int cnt)
*/
ENTRY(bzero)
pushl %edi
movl 8(%esp),%edi
movl 12(%esp),%ecx
xorl %eax,%eax
shrl $2,%ecx
cld
rep
stosl
movl 12(%esp),%ecx
andl $3,%ecx
rep
stosb
popl %edi
ret
/*
* fillw (pat,base,cnt)
*/
ENTRY(fillw)
pushl %edi
movl 8(%esp),%eax
@ -767,49 +745,6 @@ ENTRY(bcopy)
cld
ret
/*
* strlen (s)
* compute the length of the string s.
*
* Written by:
* J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc.
*/
ENTRY(strlen)
pushl %edi
movl 8(%esp),%edi /* string address */
cld /* set search forward */
xorl %eax,%eax /* set search for null terminator */
movl $-1,%ecx /* set search for lots of characters */
repne /* search! */
scasb
movl %ecx,%eax /* get length by taking twos- */
notl %eax /* complement and subtracting */
decl %eax /* one */
popl %edi
ret
/*
* ffs(value)
* finds the first bit set in value and returns the index of
* that bit. Bits are numbered starting from 1, starting at the
* rightmost bit. A return value of 0 means that the argument
* was zero.
*
* Written by:
* J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc.
*/
ENTRY(ffs)
bsfl 4(%esp),%eax
jz 1f /* ZF is set if all bits are 0 */
incl %eax /* bits numbered from 1, not 0 */
ret
ALIGN_TEXT
1: xorl %eax,%eax /* clear result */
ret
/*
* copyout() originally written by ws@tools.de, and optimised by
* by Christoph Robitschko <chmr@edvz.tu-graz.ac.at>.
@ -2113,30 +2048,6 @@ IDTVEC(syscall)
pushl $0
jmp doreti
ENTRY(htonl)
ENTRY(ntohl)
movl 4(%esp),%eax
#ifndef I386_CPU
/* XXX */
/* Since Gas 1.38 does not grok bswap this has been coded as the
* equivalent bytes. This can be changed back to bswap when we
* upgrade to a newer version of Gas */
/* bswap %eax */
.byte 0x0f
.byte 0xc8
#else
xchgb %al,%ah
roll $16,%eax
xchgb %al,%ah
#endif
ret
ENTRY(htons)
ENTRY(ntohs)
movzwl 4(%esp),%eax
xchgb %al,%ah
ret
#ifdef SHOW_A_LOT
/*