sys/i386/boot/asm.h

/*
 * 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.
 *
 *      from: Mach, Revision 2.7  92/02/29  15:33:41  rpd
 *      $Id$
 */

#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 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 addr32  .byte 0x67
#define data32  .byte 0x66

#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)