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/*-
* Copyright (c) 2002 Benno Rice. All rights reserved.
* Copyright (c) 2002 David E. O'Brien. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $
* $FreeBSD$
*/
#include <sys/syscall.h>
#include <machine/asm.h>
#define _SYSCALL(name) \
.text; \
.align 2; \
li 0,(__CONCAT(SYS_, name)); \
sc
#define SYSCALL(name) \
.text; \
.align 2; \
2: mflr %r0; \
std %r0,16(%r1); \
stdu %r1,-48(%r1); \
bl CNAME(HIDENAME(cerror)); \
nop; \
addi %r1,%r1,48; \
ld %r0,16(%r1); \
mtlr %r0; \
blr; \
ENTRY(__CONCAT(__sys_, name)); \
WEAK_REFERENCE(__CONCAT(__sys_, name), name); \
WEAK_REFERENCE(__CONCAT(__sys_, name), __CONCAT(_, name)); \
_SYSCALL(name); \
bso 2b
#define PSEUDO(name) \
.text; \
.align 2; \
ENTRY(__CONCAT(__sys_, name)); \
WEAK_REFERENCE(__CONCAT(__sys_, name), __CONCAT(_, name)); \
_SYSCALL(name); \
bnslr; \
mflr %r0; \
std %r0,16(%r1); \
stdu %r1,-48(%r1); \
bl CNAME(HIDENAME(cerror)); \
nop; \
addi %r1,%r1,48; \
ld %r0,16(%r1); \
mtlr %r0; \
blr;
#define RSYSCALL(name) \
.text; \
.align 2; \
ENTRY(__CONCAT(__sys_, name)); \
WEAK_REFERENCE(__CONCAT(__sys_, name), name); \
WEAK_REFERENCE(__CONCAT(__sys_, name), __CONCAT(_, name));\
_SYSCALL(name); \
bnslr; \
\
mflr %r0; \
std %r0,16(%r1); \
stdu %r1,-48(%r1); \
bl CNAME(HIDENAME(cerror)); \
nop; \
addi %r1,%r1,48; \
ld %r0,16(%r1); \
mtlr %r0; \
blr;
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