NetBSD/sys/arch/mips/include/asm.h

154 lines
3.9 KiB
C

/*
* Copyright (c) 1992 Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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.
*
* from: @(#)machAsmDefs.h 7.4 (Berkeley) 2/26/93
*/
/*
* machAsmDefs.h --
*
* Macros used when writing assembler programs.
*
* Copyright (C) 1989 Digital Equipment Corporation.
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies.
* Digital Equipment Corporation makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machAsmDefs.h,
* v 1.2 89/08/15 18:28:24 rab Exp SPRITE (DECWRL)
* $Id: asm.h,v 1.1.1.1 1993/10/12 03:22:43 deraadt Exp $
*/
#ifndef _MACHASMDEFS
#define _MACHASMDEFS
#include <machine/regdef.h>
/*
* Define -pg profile entry code.
*/
#ifdef PROF
#define MCOUNT .set noreorder; \
.set noat; \
move $1,$31; \
jal _mcount; \
subu sp,sp,8; \
.set reorder; \
.set at;
#else
#define MCOUNT
#endif PROF
/*
* LEAF(x)
*
* Declare a leaf routine.
*/
#define LEAF(x) \
.globl x; \
.ent x, 0; \
x: ; \
.frame sp, 0, ra; \
MCOUNT
/*
* NLEAF(x)
*
* Declare a non-profiled leaf routine.
*/
#define NLEAF(x) \
.globl x; \
.ent x, 0; \
x: ; \
.frame sp, 0, ra
/*
* ALEAF -- declare alternate entry to a leaf routine.
*/
#define ALEAF(x) \
.globl x; \
.aent x,0; \
x:
/*
* NON_LEAF(x)
*
* Declare a non-leaf routine (a routine that makes other C calls).
*/
#define NON_LEAF(x, fsize, retpc) \
.globl x; \
.ent x, 0; \
x: ; \
.frame sp, fsize, retpc; \
MCOUNT
/*
* END(x)
*
* Mark end of a procedure.
*/
#define END(x) \
.end x
#define STAND_FRAME_SIZE 24
#define STAND_RA_OFFSET 20
/*
* Macros to panic and printf from assembly language.
*/
#define PANIC(msg) \
la a0, 9f; \
jal panic; \
MSG(msg)
#define PRINTF(msg) \
la a0, 9f; \
jal printf; \
MSG(msg)
#define MSG(msg) \
.rdata; \
9: .asciiz msg; \
.text
#define ASMSTR(str) \
.asciiz str; \
.align 2
#endif /* _MACHASMDEFS */