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Diffstat (limited to 'contrib/syslinux-4.02/core/kernel.inc')
| -rw-r--r-- | contrib/syslinux-4.02/core/kernel.inc | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/core/kernel.inc b/contrib/syslinux-4.02/core/kernel.inc new file mode 100644 index 0000000..245cd6d --- /dev/null +++ b/contrib/syslinux-4.02/core/kernel.inc @@ -0,0 +1,118 @@ +;; ----------------------------------------------------------------------- +;; +;; Copyright 1994-2008 H. Peter Anvin - All Rights Reserved +;; +;; This program 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, Inc., 53 Temple Place Ste 330, +;; Boston MA 02111-1307, USA; either version 2 of the License, or +;; (at your option) any later version; incorporated herein by reference. +;; +;; ----------------------------------------------------------------------- + +;; +;; kernel.inc +;; +;; Header file for the kernel interface definitions +;; + +%ifndef _KERNEL_INC +%define _KERNEL_INC + +;; +;; Structure of the real_mode_seg +;; + + struc real_mode_seg_t + resb 20h-($-$$) ; org 20h +kern_cmd_magic resw 1 ; 0020 Magic # for command line +kern_cmd_offset resw 1 ; 0022 Offset for kernel command line + resb 497-($-$$) ; org 497d +bs_setupsecs resb 1 ; 01F1 Sectors for setup code (0 -> 4) +bs_rootflags resw 1 ; 01F2 Root readonly flag +bs_syssize resw 1 ; 01F4 +bs_swapdev resw 1 ; 01F6 Swap device (obsolete) +bs_ramsize resw 1 ; 01F8 Ramdisk flags, formerly ramdisk size +bs_vidmode resw 1 ; 01FA Video mode +bs_rootdev resw 1 ; 01FC Root device +bs_bootsign resw 1 ; 01FE Boot sector signature (0AA55h) +su_jump resb 1 ; 0200 0EBh +su_jump2 resb 1 ; 0201 Size of following header +su_header resd 1 ; 0202 New setup code: header +su_version resw 1 ; 0206 See linux/arch/i386/boot/setup.S +su_switch resw 1 ; 0208 +su_setupseg resw 1 ; 020A +su_startsys resw 1 ; 020C +su_kver resw 1 ; 020E Kernel version pointer +su_loader resb 1 ; 0210 Loader ID +su_loadflags resb 1 ; 0211 Load high flag +su_movesize resw 1 ; 0212 +su_code32start resd 1 ; 0214 Start of code loaded high +su_ramdiskat resd 1 ; 0218 Start of initial ramdisk +su_ramdisklen resd 1 ; 021C Length of initial ramdisk +su_bsklugeoffs resw 1 ; 0220 +su_bsklugeseg resw 1 ; 0222 +su_heapend resw 1 ; 0224 +su_pad1 resw 1 ; 0226 +su_cmd_line_ptr resd 1 ; 0228 +su_ramdisk_max resd 1 ; 022C + resb (0f800h-12)-($-$$) +linux_stack equ $ ; F7F4 +linux_fdctab resb 12 +cmd_line_here equ $ ; F800 Should be out of the way + endstruc + + global cmd_line +cmd_line equ core_real_mode + cmd_line_here + +; +; Old kernel command line signature +; +CMD_MAGIC equ 0A33Fh ; Command line magic + +; +; If we're loading the command line old-style, we need a smaller +; heap. +; +old_cmd_line_here equ 9800h +old_max_cmd_len equ 2047 +old_linux_fdctab equ old_cmd_line_here-12 +old_linux_stack equ old_linux_fdctab + +; +; Magic number of su_header field +; +HEADER_ID equ 'HdrS' ; HdrS (in littleendian hex) + +; +; Flags for the su_loadflags field +; +LOAD_HIGH equ 01h ; Large kernel, load high +QUIET_FLAG equ 20h ; Quiet the kernel +KEEP_SEGMENTS equ 40h ; Don't reload segments +CAN_USE_HEAP equ 80h ; Boot loader reports heap size + +; +; ID codes for various modules +; +syslinux_id equ 031h ; 3 = SYSLINUX family; 1 = SYSLINUX +pxelinux_id equ 032h ; 3 = SYSLINUX family; 2 = PXELINUX +isolinux_id equ 033h ; 3 = SYSLINUX family; 3 = ISOLINUX +extlinux_id equ 034h ; 3 = SYSLINUX family; 4 = EXTLINUX + +; +; Types of vkernels +; +VK_LOCALBOOT equ -1 ; localboot (no actual kernel loaded) +VK_KERNEL equ 0 ; Choose by filename +VK_LINUX equ 1 ; Linux kernel image +VK_BOOT equ 2 ; Boot sector +VK_BSS equ 3 ; BSS boot sector +VK_PXE equ 4 ; PXE NBP +VK_FDIMAGE equ 5 ; Floppy disk image +VK_COMBOOT equ 6 ; COMBOOT image +VK_COM32 equ 7 ; COM32 image +VK_CONFIG equ 8 ; Configuration file +VK_TYPES equ 9 ; Number of VK types + +%endif ; _KERNEL_INC |