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Diffstat (limited to 'sys/i386/boot/biosboot/asm.h')
| -rw-r--r-- | sys/i386/boot/biosboot/asm.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/sys/i386/boot/biosboot/asm.h b/sys/i386/boot/biosboot/asm.h new file mode 100644 index 000000000000..9b86637f4ace --- /dev/null +++ b/sys/i386/boot/biosboot/asm.h @@ -0,0 +1,192 @@ +/* + * 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. + */ +/* + * HISTORY + * $Log: asm.h,v $ + * Revision 2.7 92/02/29 15:33:41 rpd + * Added ENTRY2. + * [92/02/28 rpd] + * + * Revision 2.6 92/02/19 15:07:52 elf + * Changed #if __STDC__ to #ifdef __STDC__ + * [92/01/16 jvh] + * + * Revision 2.5 91/05/14 16:02:45 mrt + * Correcting copyright + * + * Revision 2.4 91/02/05 17:10:42 mrt + * Changed to new Mach copyright + * [91/02/01 17:30:29 mrt] + * + * Revision 2.3 90/12/20 16:35:27 jeffreyh + * changes for __STDC__ + * [90/12/06 jeffreyh] + * + * Revision 2.2 90/05/03 15:24:12 dbg + * First checkin. + * + * + * Typo on ENTRY if gprof + * [90/03/29 rvb] + * + * fix SVC for "ifdef wheeze" [kupfer] + * Fix the GPROF definitions. + * ENTRY(x) gets profiled iffdef GPROF. + * Entry(x) (and DATA(x)) is NEVER profiled. + * MCOUNT can be used by asm that intends to build a frame, + * after the frame is built. + * [90/02/26 rvb] + * + * Add #define addr16 .byte 0x67 + * [90/02/09 rvb] + * Added LBi, SVC and ENTRY + * [89/11/10 09:51:33 rvb] + * + * New a.out and coff compatible .s files. + * [89/10/16 rvb] + */ + + +#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 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) |