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Make struct boot_params a real structure, and remove obsolete fields

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Make struct boot_params a real structure, and remove the handling of
some obsolete fields, in particular hd*_info, which was only used by
the ST-506 driver, and likely to be wrong for that driver on any
modern BIOS.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
H. Peter Anvin 2007-07-11 12:18:35 -07:00 • committed by Linus Torvalds
commit 48c7ae674f
5 changed files with 94 additions and 30 deletions
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10
include/asm-i386/setup.h
View file

@ -26,12 +26,15 @@
#define NEW_CL_POINTER 0x228 /* Relative to real mode data */
#ifndef __ASSEMBLY__
#include <asm/bootparam.h>
/*
* This is set up by the setup-routine at boot-time
*/
extern unsigned char boot_params[PARAM_SIZE];
extern struct boot_params boot_params;
#define PARAM (boot_params)
#define PARAM ((char *)&boot_params)
#define SCREEN_INFO (*(struct screen_info *) (PARAM+0))
#define EXT_MEM_K (*(unsigned short *) (PARAM+2))
#define ALT_MEM_K (*(unsigned long *) (PARAM+0x1e0))
@ -39,8 +42,7 @@ extern unsigned char boot_params[PARAM_SIZE];
#define E820_MAP ((struct e820entry *) (PARAM+E820MAP))
#define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40))
#define IST_INFO (*(struct ist_info *) (PARAM+0x60))
#define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80))
#define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0))
#define SYS_DESC_TABLE (*(struct sys_desc_table *)(PARAM+0xa0))
#define EFI_SYSTAB ((efi_system_table_t *) *((unsigned long *)(PARAM+0x1c4)))
#define EFI_MEMDESC_SIZE (*((unsigned long *) (PARAM+0x1c8)))
#define EFI_MEMDESC_VERSION (*((unsigned long *) (PARAM+0x1cc)))