grub2/include/grub/i386/pc/kernel.h
bean bf962df2da 2008-03-24 Bean <bean123ch@gmail.com>
* disk/i386/pc/biosdisk.c (cd_start): Removed.
	(cd_count): Removed.
	(cd_drive): New variable.
	(grub_biosdisk_get_drive): Don't check for (cdN) device.
	(grub_biosdisk_call_hook): Likewise.
	(grub_biosdisk_iterate): Change cdrom detection method.
	(grub_biosdisk_open): Replace cd_start with cd_drive.
	(GRUB_MOD_INIT): Use grub_biosdisk_get_cdinfo_int13_extension to
	detect cdrom device.

	* include/grub/i386/pc/biosdisk.h (GRUB_BIOSDISK_MACHINE_CDROM_START):
	Removed.
	(GRUB_BIOSDISK_MACHINE_CDROM_END): Removed.
	(GRUB_BIOSDISK_CDTYPE_NO_EMUL): New macro.
	(GRUB_BIOSDISK_CDTYPE_1_2_M): Likewise.
	(GRUB_BIOSDISK_CDTYPE_1_44_M): Likewise.
	(GRUB_BIOSDISK_CDTYPE_2_88_M): Likewise.
	(GRUB_BIOSDISK_CDTYPE_HARDDISK): Likewise.
	(GRUB_BIOSDISK_CDTYPE_MASK): Likewise.
	(grub_biosdisk_cdrp): New structure.
	(grub_biosdisk_get_cdinfo_int13_extensions): New function.

	* include/grub/i386/pc/kernel.h (grub_boot_drive): Export this variable.

	* kern/i386/pc/init.c (make_install_device): Don't use (cdN) as root
	device.

	* kern/i386/pc/startup.S (grub_biosdisk_get_cdinfo_int13_extensions):
	New function.
2008-03-24 04:13:37 +00:00

88 lines
2.7 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2003,2007,2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef KERNEL_MACHINE_HEADER
#define KERNEL_MACHINE_HEADER 1
/* The offset of GRUB_TOTAL_MODULE_SIZE. */
#define GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE 0x8
/* The offset of GRUB_KERNEL_IMAGE_SIZE. */
#define GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE 0xc
/* The offset of GRUB_COMPRESSED_SIZE. */
#define GRUB_KERNEL_MACHINE_COMPRESSED_SIZE 0x10
/* The offset of GRUB_INSTALL_DOS_PART. */
#define GRUB_KERNEL_MACHINE_INSTALL_DOS_PART 0x14
/* The offset of GRUB_INSTALL_BSD_PART. */
#define GRUB_KERNEL_MACHINE_INSTALL_BSD_PART 0x18
/* The offset of GRUB_MEMDISK_IMAGE_SIZE. */
#define GRUB_KERNEL_MACHINE_MEMDISK_IMAGE_SIZE 0x1c
/* The offset of GRUB_PREFIX. */
#define GRUB_KERNEL_MACHINE_PREFIX 0x20
/* End of the data section. */
#define GRUB_KERNEL_MACHINE_DATA_END 0x50
/* The size of the first region which won't be compressed. */
#define GRUB_KERNEL_MACHINE_RAW_SIZE 0x4A0
#ifndef ASM_FILE
#include <grub/symbol.h>
#include <grub/types.h>
/* The size of kernel image. */
extern grub_int32_t grub_kernel_image_size;
/* The total size of module images following the kernel. */
extern grub_int32_t grub_total_module_size;
/* The DOS partition number of the installed partition. */
extern grub_int32_t grub_install_dos_part;
/* The BSD partition number of the installed partition. */
extern grub_int32_t grub_install_bsd_part;
/* The size of memory disk image, if present. */
extern grub_int32_t grub_memdisk_image_size;
/* The prefix which points to the directory where GRUB modules and its
configuration file are located. */
extern char grub_prefix[];
/* The boot BIOS drive number. */
extern grub_int32_t EXPORT_VAR(grub_boot_drive);
/* The root BIOS drive number. */
extern grub_int32_t grub_root_drive;
/* The end address of the kernel. */
extern grub_addr_t grub_end_addr;
extern grub_addr_t EXPORT_FUNC(grub_arch_memdisk_addr) (void);
extern grub_off_t EXPORT_FUNC(grub_arch_memdisk_size) (void);
#endif /* ! ASM_FILE */
#endif /* ! KERNEL_MACHINE_HEADER */