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/* $NetBSD: asm.h,v 1.3 1994/10/27 04:21:04 cgd Exp $ */
/*
* source in this file came from
* the 386BSD boot blocks written by Julian Elsicher.
*
* Ported to Boot 386BSD by Julian Elsicher (julian@tfs.com) Sept. 1992
*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
#define S_ARG0 4(%esp)
#define S_ARG1 8(%esp)
#define S_ARG2 12(%esp)
#define S_ARG3 16(%esp)
#define FRAME pushl %ebp; movl %esp, %ebp
#define EMARF leave
#define B_ARG0 8(%ebp)
#define B_ARG1 12(%ebp)
#define B_ARG2 16(%ebp)
#define B_ARG3 20(%ebp)
#ifdef wheeze
#define ALIGN 4
#define EXT(x) x
#define LEXT(x) x:
#define LCL(x) ./**/x
#define LB(x,n) ./**/x
#define LBb(x,n) ./**/x
#define LBf(x,n) ./**/x
#define SVC lcall $7,$0
#define String .string
#define Value .value
#define Times(a,b) [a\*b]
#define Divide(a,b) [a\\b]
#define INB inb (%dx)
#define OUTB outb (%dx)
#define INL inl (%dx)
#define OUTL outl (%dx)
#else wheeze
/* #define ALIGN */
#define ALIGN 4
#define LCL(x) x
#define LB(x,n) n
#ifdef __STDC__
#define EXT(x) _ ## x
#define LEXT(x) _ ## x ## :
#define LBb(x,n) n ## b
#define LBf(x,n) n ## f
#else __STDC__
#define EXT(x) _/**/x
#define LEXT(x) _/**/x/**/:
#define LBb(x,n) n/**/b
#define LBf(x,n) n/**/f
#endif __STDC__
#define SVC .byte 0x9a; .long 0; .word 0x7
#define String .ascii
#define Value .word
#define Times(a,b) (a*b)
#define Divide(a,b) (a/b)
#define INB inb %dx, %al
#define OUTB outb %al, %dx
#define INL inl %dx, %eax
#define OUTL outl %eax, %dx
#endif wheeze
#define data32 .byte 0x66
#define data16 .byte 0x66
#define addr16 .byte 0x67
#ifdef GPROF
#ifdef __STDC__
#define MCOUNT .data; LB(x, 9); .long 0; .text; lea LBb(x, 9),%edx; call mcount
#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x) ; \
pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
.align ALIGN; LEXT(x) LEXT(y) ; \
pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
#define ASENTRY(x) .globl x; .align ALIGN; x ## : ; \
pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
#else __STDC__
#define MCOUNT .data; LB(x, 9): .long 0; .text; lea LBb(x, 9),%edx; call mcount
#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x) ; \
pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
.align ALIGN; LEXT(x) LEXT(y)
#define ASENTRY(x) .globl x; .align ALIGN; x: ; \
pushl %ebp; movl %esp, %ebp; MCOUNT; popl %ebp;
#endif __STDC__
#else GPROF
#ifdef __STDC__
#define MCOUNT
#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x)
#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
.align ALIGN; LEXT(x) LEXT(y)
#define ASENTRY(x) .globl x; .align ALIGN; x ## :
#else __STDC__
#define MCOUNT
#define ENTRY(x) .globl EXT(x); .align ALIGN; LEXT(x)
#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
.align ALIGN; LEXT(x) LEXT(y)
#define ASENTRY(x) .globl x; .align ALIGN; x:
#endif __STDC__
#endif GPROF
#define Entry(x) .globl EXT(x); .align ALIGN; LEXT(x)
#define DATA(x) .globl EXT(x); .align ALIGN; LEXT(x)
CR0_PE = 0x00000001
KERN_CODE_SEG = 0x08
KERN_DATA_SEG = 0x10
BOOT_16_SEG = 0x18
#define opsize .byte 0x66
#define addrsize .byte 0x67
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