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de-linting of .s files
first
*** 1,11 ****
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
! #pragma ident "%Z%%M% %I% %E% SMI"
/*-
* Copyright (c) 1993 The Regents of the University of California.
* All rights reserved.
*
--- 1,13 ----
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
! /*
! * Copyright 2019 Joyent, Inc.
! */
/*-
* Copyright (c) 1993 The Regents of the University of California.
* All rights reserved.
*
*** 40,71 ****
* $FreeBSD: src/sys/amd64/amd64/support.S,v 1.102 2003/10/02 05:08:13 alc Exp $
*/
#include <sys/asm_linkage.h>
- #if defined(__lint)
-
/*
- * Overlapping bcopy (source and target may overlap arbitrarily).
- */
- /* ARGSUSED */
- void
- ovbcopy(const void *from, void *to, size_t count)
- {}
-
- #else /* __lint */
-
- /*
* Adapted from fbsd bcopy().
*
* bcopy(src, dst, cnt)
* rdi, rsi, rdx
* ws@tools.de (Wolfgang Solfrank, TooLs GmbH) +49-228-985800
*/
- #if defined(__amd64)
-
ENTRY(ovbcopy)
xchgq %rsi,%rdi
movq %rdx,%rcx
movq %rdi,%rax
--- 42,59 ----
*** 100,154 ****
movsq
cld
ret
SET_SIZE(ovbcopy)
- #elif defined(__i386)
-
- ENTRY(ovbcopy)
- 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 reverse
-
- shrl $2,%ecx /* copy by 32-bit words */
- cld /* nope, copy forwards */
- rep
- movsl
- movl 20(%esp),%ecx
- andl $3,%ecx /* any bytes left? */
- rep
- movsb
- popl %edi
- popl %esi
- ret
-
- reverse:
- addl %ecx,%edi /* copy backwards */
- addl %ecx,%esi
- decl %edi
- decl %esi
- andl $3,%ecx /* any fractional bytes? */
- std
- rep
- movsb
- movl 20(%esp),%ecx /* copy remainder by 32-bit words */
- shrl $2,%ecx
- subl $3,%esi
- subl $3,%edi
- rep
- movsl
- popl %edi
- popl %esi
- cld
- ret
- SET_SIZE(ovbcopy)
-
- #endif /* __i386 */
-
- #endif /* __lint */
--- 88,92 ----