freebsd-dev/sys/i386/include/apm_segments.h
1995-05-30 08:16:23 +00:00

36 lines
1.1 KiB
C

/*
* LP (Laptop Package)
*
* Copyright (C) 1994 by HOSOKAWA Tatsumi <hosokawa@mt.cs.keio.ac.jp>
*
* This software may be used, modified, copied, and distributed, 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: apm_segments.h,v 1.3 1995/02/17 02:22:46 phk Exp $
*/
#ifndef _MACHINE_APM_SEGMENTS_H
#define _MACHINE_APM_SEGMENTS_H
#define SIZEOF_GDT 8
#define BOOTSTRAP_GDT_NUM 32
#define APM_INIT_CS_INDEX (BOOTSTRAP_GDT_NUM - 3)
#define APM_INIT_DS_INDEX (BOOTSTRAP_GDT_NUM - 2)
#define APM_INIT_CS16_INDEX (BOOTSTRAP_GDT_NUM - 1)
#define APM_INIT_CS_SEL (APM_INIT_CS_INDEX << 3)
#define APM_INIT_DS_SEL (APM_INIT_DS_INDEX << 3)
#define APM_INIT_CS16_SEL (APM_INIT_CS16_INDEX << 3)
#define CS32_ATTRIB 0x409e
#define CS16_ATTRIB 0x009e
#define DS32_ATTRIB 0x4092
#endif