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