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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/i386/include/apm_segments.h
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/*-

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 * LP (Laptop Package)

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 *

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 * Copyright (C) 1994 by HOSOKAWA Tatsumi <[email protected]>

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 *

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 * This software may be used, modified, copied, and distributed, in

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 * 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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#ifndef _MACHINE_APM_SEGMENTS_H

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#define _MACHINE_APM_SEGMENTS_H

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#define SIZEOF_GDT		8

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#define BOOTSTRAP_GDT_NUM	32

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#define APM_INIT_CS_INDEX	(BOOTSTRAP_GDT_NUM - 4)

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#define APM_INIT_DS_INDEX	(BOOTSTRAP_GDT_NUM - 3)

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#define APM_INIT_CS16_INDEX	(BOOTSTRAP_GDT_NUM - 2)

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#define APM_INIT_DS16_INDEX	(BOOTSTRAP_GDT_NUM - 1)

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#define APM_INIT_CS_SEL		(APM_INIT_CS_INDEX << 3)

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#define APM_INIT_DS_SEL		(APM_INIT_DS_INDEX << 3)

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#define APM_INIT_CS16_SEL	(APM_INIT_CS16_INDEX << 3)

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#define APM_INIT_DS16_SEL	(APM_INIT_DS16_INDEX << 3)

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#define CS32_ATTRIB		0x409e

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#define DS32_ATTRIB		0x4092

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#define CS16_ATTRIB		0x009e

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#define DS16_ATTRIB		0x0092

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#endif

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