116 lines
3.5 KiB
PHP
116 lines
3.5 KiB
PHP
;; -----------------------------------------------------------------------
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;;
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;; Copyright 1994-2008 H. Peter Anvin - All Rights Reserved
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;;
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, Inc., 53 Temple Place Ste 330,
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;; Boston MA 02111-1307, USA; either version 2 of the License, or
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;; (at your option) any later version; incorporated herein by reference.
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;;
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;; -----------------------------------------------------------------------
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;;
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;; kernel.inc
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;;
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;; Header file for the kernel interface definitions
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;;
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%ifndef _KERNEL_INC
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%define _KERNEL_INC
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;;
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;; Structure of the real_mode_seg
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;;
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struc real_mode_seg_t
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resb 20h-($-$$) ; org 20h
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kern_cmd_magic resw 1 ; 0020 Magic # for command line
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kern_cmd_offset resw 1 ; 0022 Offset for kernel command line
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resb 497-($-$$) ; org 497d
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bs_setupsecs resb 1 ; 01F1 Sectors for setup code (0 -> 4)
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bs_rootflags resw 1 ; 01F2 Root readonly flag
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bs_syssize resw 1 ; 01F4
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bs_swapdev resw 1 ; 01F6 Swap device (obsolete)
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bs_ramsize resw 1 ; 01F8 Ramdisk flags, formerly ramdisk size
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bs_vidmode resw 1 ; 01FA Video mode
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bs_rootdev resw 1 ; 01FC Root device
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bs_bootsign resw 1 ; 01FE Boot sector signature (0AA55h)
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su_jump resb 1 ; 0200 0EBh
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su_jump2 resb 1 ; 0201 Size of following header
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su_header resd 1 ; 0202 New setup code: header
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su_version resw 1 ; 0206 See linux/arch/i386/boot/setup.S
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su_switch resw 1 ; 0208
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su_setupseg resw 1 ; 020A
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su_startsys resw 1 ; 020C
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su_kver resw 1 ; 020E Kernel version pointer
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su_loader resb 1 ; 0210 Loader ID
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su_loadflags resb 1 ; 0211 Load high flag
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su_movesize resw 1 ; 0212
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su_code32start resd 1 ; 0214 Start of code loaded high
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su_ramdiskat resd 1 ; 0218 Start of initial ramdisk
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su_ramdisklen resd 1 ; 021C Length of initial ramdisk
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su_bsklugeoffs resw 1 ; 0220
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su_bsklugeseg resw 1 ; 0222
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su_heapend resw 1 ; 0224
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su_pad1 resw 1 ; 0226
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su_cmd_line_ptr resd 1 ; 0228
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su_ramdisk_max resd 1 ; 022C
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resb (0f800h-12)-($-$$)
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linux_stack equ $ ; F7F4
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linux_fdctab resb 12
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cmd_line_here equ $ ; F800 Should be out of the way
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endstruc
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;
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; Old kernel command line signature
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;
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CMD_MAGIC equ 0A33Fh ; Command line magic
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;
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; If we're loading the command line old-style, we need a smaller
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; heap.
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;
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old_cmd_line_here equ 9800h
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old_max_cmd_len equ 2047
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old_linux_fdctab equ old_cmd_line_here-12
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old_linux_stack equ old_linux_fdctab
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;
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; Magic number of su_header field
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;
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HEADER_ID equ 'HdrS' ; HdrS (in littleendian hex)
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;
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; Flags for the su_loadflags field
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;
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LOAD_HIGH equ 01h ; Large kernel, load high
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QUIET_FLAG equ 20h ; Quiet the kernel
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KEEP_SEGMENTS equ 40h ; Don't reload segments
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CAN_USE_HEAP equ 80h ; Boot loader reports heap size
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;
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; ID codes for various modules
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;
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syslinux_id equ 031h ; 3 = SYSLINUX family; 1 = SYSLINUX
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pxelinux_id equ 032h ; 3 = SYSLINUX family; 2 = PXELINUX
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isolinux_id equ 033h ; 3 = SYSLINUX family; 3 = ISOLINUX
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extlinux_id equ 034h ; 3 = SYSLINUX family; 4 = EXTLINUX
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;
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; Types of vkernels
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;
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VK_LOCALBOOT equ -1 ; localboot (no actual kernel loaded)
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VK_KERNEL equ 0 ; Choose by filename
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VK_LINUX equ 1 ; Linux kernel image
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VK_BOOT equ 2 ; Boot sector
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VK_BSS equ 3 ; BSS boot sector
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VK_PXE equ 4 ; PXE NBP
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VK_FDIMAGE equ 5 ; Floppy disk image
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VK_COMBOOT equ 6 ; COMBOOT image
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VK_COM32 equ 7 ; COM32 image
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VK_CONFIG equ 8 ; Configuration file
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VK_TYPES equ 9 ; Number of VK types
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%endif ; _KERNEL_INC
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