smapi_bios.S revision 109463 
1/* $FreeBSD: head/sys/i386/bios/smapi_bios.S 109463 2003-01-18 04:36:12Z mdodd $ */
2
3#include <machine/asmacros.h>
4
5	.text
6/*
7 * smapi32(input_param, output_param)
8 *	struct smapi_bios_parameter *input_parm;
9 *	struct smapi_bios_parameter *output_parm;
10 */
11ENTRY(smapi32)
12	pushl	%ebp			/* Save frame */
13	movl	%esp,%ebp
14
15	pushl	%ds
16	pushl	0x0c(%ebp)		/* Output Param */
17	pushl	%ds
18	pushl	0x08(%ebp)		/* Input Param */
19
20	movl	$0,%eax			/* Clear EAX (return 0) */
21	movw	%cs,smapi32_segment	/* Save CS */
22	lcall	*(smapi32_offset)
23
24	leave
25	ret
26
27/*
28 * smapi32(offset, segment, input_param, output_param)
29 *	u_int offset;
30 *	u_short segment;
31 *	struct smapi_bios_parameter *input_parm;
32 *	struct smapi_bios_parameter *output_parm;
33 */
34ENTRY(smapi32_new)
35	pushl	%ebp			/* Save frame */
36	movl	%esp,%ebp
37
38	movl	0x08(%ebp),%eax
39	movl	%eax,smapi32_offset
40	movw	0x0c(%ebp),%ax
41	movw	%ax,smapi32_segment
42
43	pushl	%ds
44	pushl	0x20(%ebp)		/* Output Param */
45	pushl	%ds
46	pushl	0x10(%ebp)		/* Input Param */
47
48	movl	$0,%eax
49	movw	%cs,smapi32_segment
50	lcall	*(smapi32_offset)
51
52	leave
53	ret
54