xref: /freebsd/sys/i386/include/apm_segments.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * LP (Laptop Package)
3  *
4  * Copyright (C) 1994 by HOSOKAWA Tatsumi <hosokawa@mt.cs.keio.ac.jp>
5  *
6  * This software may be used, modified, copied, and distributed, in
7  * both source and binary form provided that the above copyright and
8  * these terms are retained. Under no circumstances is the author
9  * responsible for the proper functioning of this software, nor does
10  * the author assume any responsibility for damages incurred with its
11  * use.
12  *
13  * Sep., 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
14  */
15 
16 #ifndef _MACHINE_APM_SEGMENTS_H
17 #define _MACHINE_APM_SEGMENTS_H
18 
19 #define SIZEOF_GDT		8
20 #define BOOTSTRAP_GDT_NUM	32
21 
22 #define APM_INIT_CS_INDEX	(BOOTSTRAP_GDT_NUM - 4)
23 #define APM_INIT_DS_INDEX	(BOOTSTRAP_GDT_NUM - 3)
24 #define APM_INIT_CS16_INDEX	(BOOTSTRAP_GDT_NUM - 2)
25 #define APM_INIT_DS16_INDEX	(BOOTSTRAP_GDT_NUM - 1)
26 #define APM_INIT_CS_SEL		(APM_INIT_CS_INDEX << 3)
27 #define APM_INIT_DS_SEL		(APM_INIT_DS_INDEX << 3)
28 #define APM_INIT_CS16_SEL	(APM_INIT_CS16_INDEX << 3)
29 #define APM_INIT_DS16_SEL	(APM_INIT_DS16_INDEX << 3)
30 
31 #define CS32_ATTRIB		0x409e
32 #define DS32_ATTRIB		0x4092
33 #define CS16_ATTRIB		0x009e
34 #define DS16_ATTRIB		0x0092
35 
36 #endif
37