mirror of
https://github.com/freebsd/freebsd-src
synced 2024-11-05 18:22:52 +00:00
128 lines
1.9 KiB
ArmAsm
128 lines
1.9 KiB
ArmAsm
/*
|
|
* LP (Laptop Package)
|
|
*
|
|
* Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
|
|
*
|
|
* This software may be used, modified, copied, distributed, and sold,
|
|
* in both source and binary form provided that the above copyright and
|
|
* these terms are retained. Under no circumstances is the author
|
|
* responsible for the proper functioning of this software, nor does
|
|
* the author assume any responsibility for damages incurred with its
|
|
* use.
|
|
*
|
|
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#ifdef APM
|
|
|
|
#define ASM
|
|
|
|
#include <machine/asmacros.h>
|
|
#include "assym.s"
|
|
#include <machine/apm_bios.h>
|
|
|
|
.file "apm_setup.s"
|
|
|
|
.text
|
|
|
|
/* void call_apm(union real_regs *); */
|
|
_call_apm:
|
|
.globl _call_apm
|
|
pushl %ebp
|
|
movl %esp, %ebp
|
|
pushl %esi
|
|
pushl %edi
|
|
pushl %ebx
|
|
pushl %ecx
|
|
|
|
movl 8(%ebp), %eax
|
|
movl %eax, struct_regs
|
|
movw 2(%eax), %bx
|
|
movw 4(%eax), %cx
|
|
movw 6(%eax), %dx
|
|
movw 8(%eax), %si
|
|
movw 10(%eax), %di
|
|
movw 0(%eax), %ax
|
|
|
|
lcall _apm_addr /* intersegment call */
|
|
|
|
setc cf_result
|
|
movb %ah, _apm_errno
|
|
push %eax
|
|
movl struct_regs, %eax
|
|
movw %bx, 2(%eax)
|
|
movw %cx, 4(%eax)
|
|
movw %dx, 6(%eax)
|
|
movw %si, 8(%eax)
|
|
movw %di, 10(%eax)
|
|
movb cf_result, %bl
|
|
xorb %bh, %bh
|
|
movw %bx, 12(%eax)
|
|
popl %ebx
|
|
movl %ebx, 0(%eax)
|
|
|
|
popl %ecx
|
|
popl %ebx
|
|
popl %edi
|
|
popl %esi
|
|
leave
|
|
ret
|
|
|
|
.data
|
|
struct_regs:
|
|
.long 0
|
|
|
|
cf_result:
|
|
.byte 0
|
|
|
|
_apm_errno:
|
|
.globl _apm_errno
|
|
.byte 0
|
|
|
|
.data
|
|
_apm_init_image:
|
|
.globl _apm_init_image
|
|
|
|
1:
|
|
#include "apm_init/apm_init.inc"
|
|
2:
|
|
|
|
_apm_init_image_size:
|
|
.globl _apm_init_image_size
|
|
.long 2b - 1b
|
|
|
|
_apm_version:
|
|
.globl _apm_version
|
|
.long 0
|
|
|
|
_apm_cs_entry:
|
|
.globl _apm_cs_entry
|
|
.long 0
|
|
|
|
_apm_cs16_base:
|
|
.globl _apm_cs16_base
|
|
.word 0
|
|
|
|
_apm_cs32_base:
|
|
.globl _apm_cs32_base
|
|
.word 0
|
|
|
|
_apm_ds_base:
|
|
.globl _apm_ds_base
|
|
.word 0
|
|
|
|
_apm_cs_limit:
|
|
.globl _apm_cs_limit
|
|
.word 0
|
|
|
|
_apm_ds_limit:
|
|
.globl _apm_ds_limit
|
|
.word 0
|
|
|
|
_apm_flags:
|
|
.globl _apm_flags
|
|
.word 0
|
|
|
|
#endif /* APM */
|