1 /* lilo.h - LILO constants
3 * Copyright 1992-1998 Werner Almesberger
4 * Copyright 1999-2006 John Coffman
5 * Copyright 2009-2015 Joachim Wiedorn
8 * Licensed under the terms contained in the file 'COPYING'
9 * in the source directory.
12 /* This file is also included by the boot loader assembler code. Put
13 everything that isn't legal C syntax or isn't swallowed by the
14 preprocessor into #ifdef LILO_ASM ... #endif */
23 #endif /* !__MSDOS__ */
25 /* This is the stuff to check the configuration:
27 #if defined(LCF_READONLY) && defined(LCF_REWRITE_TABLE)
28 #error "Incompatible Makefile options: READONLY and REWRITE_TABLE"
31 #error "Configuration option '-DLARGE_EBDA' is deprecated"
35 * Starting with 2.1.something, Linux kernels put VGA constants and segment
36 * definitions into asm/boot.h instead of linux/config.h
44 #include <linux/config.h>
49 /* Don't touch these, unless you really know what you're doing. */
50 #define DEF_INITSEG 0x9000
51 #define DEF_SYSSEG 0x1000
52 #define DEF_SETUPSEG 0x9020
53 #define DEF_SYSSIZE 0x7F00
55 /* Internal svga startup constants */
56 #define NORMAL_VGA 0xffff /* 80x25 mode */
57 #define EXTENDED_VGA 0xfffe /* 80x50 mode */
58 #define ASK_VGA 0xfffd /* ask for it at bootup */
62 #if defined(HAS_VERSION_H) && !__MSDOS__
63 #include <linux/version.h>
64 #endif /* !__MSDOS__ */
66 #ifndef LINUX_VERSION_CODE
67 #define LINUX_VERSION_CODE 0
69 #ifndef KERNEL_VERSION
70 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
73 #define nelem(a) (sizeof(a)/sizeof((a)[0]))
78 #define VERSION 256*VERSION_MINOR+VERSION_MAJOR
79 #if VERSION_MINOR >= 50
85 /* definitions for pf_hard_disk_scan in device.c */
86 #ifdef DEBUG_PARTITIONS
87 #define PARTITIONS "./devfs_partitions"
89 #define PARTITIONS "/proc/partitions"
93 /* the known major device numbers of block devices */
94 /* see: linux-3.xx/Documentation/devices.txt */
95 #define MAJMIN_RAM 0x101 /* RAM disk */
98 #define MAJOR_MDP_SORT 1 /*** Convert MAJOR_MDP to this for sorting ***/
100 #define MAJOR_EMD_SORT 2 /*** Convert MAJOR_EMD to this for sorting ***/
101 #define MAJOR_HPT370_SORT 2 /*** Convert MAJOR_HPT370 to this for sorting ***/
103 #define MAJOR_FD 2 /* floppy disks (dev/fd..) */
104 #define MAJOR_IDE 3 /* first IDE hard disk iface (/dev/hd..) */
105 #define MAJOR_LOOP 7 /* loopback devices 0-15 (dev/loop..) */
106 #define MAJOR_SD 8 /* SCSI disks 0-15 (dev/sd..) */
107 #define MAJOR_MD 9 /* metadisk RAID devices (/dev/md..) */
109 #define MAJOR_SCD 11 /* SCSI CD-ROM devices (/dev/scd..) */
110 #define MAJOR_XT 13 /* XT hard disks drives (deleted since kernel v3.9) */
111 #define MAJOR_SONY 15 /* Sony CDU-31A/CDU-33A CD-ROM (/dev/sonycd) */
112 #define MAJOR_GSCD 16 /* GoldStar CD-ROM (/dev/gscd) */
113 #define MAJOR_OPT 17 /* Optics Storage CD-ROM (/dev/optcd) */
114 #define MAJOR_SJCD 18 /* Sanyo CD-ROM (/dev/sjcd) */
115 #define MAJOR_HIT 20 /* Hitachi CD-ROM (/dev/hitcd) */
117 #define MAJOR_ACORN 21 /* Acorn MFM hard drives (/dev/mfm..) */
118 #define MAJOR_IDE2 22 /* second IDE hard disk iface (/dev/hd..) */
120 #define MAJOR_CDU 24 /* Sony CDU-535 CD-ROM (/dev/cdu535) */
121 #define MAJOR_MAT 25 /* First Matsushita CD-ROM (/dev/sbpcd..) */
122 #define MAJOR_MAT2 26 /* Second Matsushita CD-ROM (/dev/sbpcd..) */
123 #define MAJOR_MAT3 27 /* Third Matsushita CD-ROM (/dev/sbpcd..) */
124 #define MAJOR_MAT4 28 /* Fourth Matsushita CD-ROM (/dev/sbpcd..) */
125 #define MAJOR_CM205 30 /* Philips LMS CM-205 CD-ROM (/dev/cm205cd) */
126 #define MAJOR_CM206 32 /* Philips LMS CM-206 CD-ROM (/dev/cm206cd) */
128 #define MAJOR_IDE3 33 /* third IDE hard disk iface (/dev/hd..) */
129 #define MAJOR_IDE4 34 /* fourth IDE hard disk iface (/dev/hd..) */
131 #define MAJOR_ESDI 36 /* PS/2 ESDI hard disk drives (obsolete) */
132 #define MAJOR_FTL 44 /* Flash Transition Layer on Memory Technology Device */
133 #define MAJOR_PP 45 /* Parallel Port IDE disk devices (/dev/pd..) */
134 #define MAJOR_PPCD 46 /* Parallel Port ATAPI CD-ROM devices (/dev/pcd..) */
135 #define MAJOR_PPFD 47 /* Parallel Port ATAPI floppy drive (/dev/pf..) */
137 #define MAJOR_DAC 48 /* First Mylex DAC960 PCI RAID iface (/dev/rd/c0..) */
138 #define MAJOR_DAC2 49 /* Second Mylex DAC960 PCI RAID iface (/dev/rd/c1..) */
139 #define MAJOR_DAC3 50 /* Third Mylex DAC960 PCI RAID iface (/dev/rd/c2..) */
140 #define MAJOR_DAC4 51 /* Fourth Mylex DAC960 PCI RAID iface (/dev/rd/c3..) */
141 #define MAJOR_DAC5 52 /* Fifth Mylex DAC960 PCI RAID iface (/dev/rd/c4..) */
142 #define MAJOR_DAC6 53 /* Sixth Mylex DAC960 PCI RAID iface (/dev/rd/c5..) */
143 #define MAJOR_DAC7 54 /* Seventh Mylex DAC960 PCI RAID iface (/dev/rd/c6..) */
144 #define MAJOR_DAC8 55 /* Eighth Mylex DAC960 PCI RAID iface (/dev/rd/c7..) */
146 #define MAJOR_IDE5 56 /* fifth IDE hard disk iface (/dev/hd..) */
147 #define MAJOR_IDE6 57 /* sixth IDE hard disk iface (/dev/hd..) */
148 #define MAJOR_LVM 58 /* Logical Volume Manager block device */
150 #define MAJOR_EXPR 60 /* Experimental devices (without official numbers) */
151 #define MAJOR_EXPR2 61 /* Experimental devices (without official numbers) */
152 #define MAJOR_EXPR3 62 /* Experimental devices (without official numbers) */
153 #define MAJOR_EXPR4 63 /* Experimental devices (without official numbers) */
155 #define MAJOR_SD_SORT 64 /*** MAJOR_SD converted to this for sorting ***/
157 #define MAJOR_SD2 65 /* SCSI disks 16-31 (/dev/sd..) */
158 #define MAJOR_SD3 66 /* SCSI disks 32-47 (/dev/sd..) */
159 #define MAJOR_SD4 67 /* SCSI disks 48-63 (/dev/sd..) */
160 #define MAJOR_SD5 68 /* SCSI disks 64-79 (/dev/sd..) */
161 #define MAJOR_SD6 69 /* SCSI disks 80-95 (/dev/sd..) */
162 #define MAJOR_SD7 70 /* SCSI disks 96-111 (/dev/sd..) */
163 #define MAJOR_SD8 71 /* SCSI disks 112-127 (/dev/sd..) */
165 #define MAJOR_SMART 72 /* First Compaq Smart/2 iface (/dev/ida/c0d..) */
166 #define MAJOR_SMART2 73 /* Second Compaq Smart/2 iface (/dev/ida/c1d..) */
167 #define MAJOR_SMART3 74 /* Third Compaq Smart/2 iface (/dev/ida/c1d..) */
168 #define MAJOR_SMART4 75 /* Fourth Compaq Smart/2 iface (/dev/ida/c1d..) */
169 #define MAJOR_SMART5 76 /* Fifth Compaq Smart/2 iface (/dev/ida/c1d..) */
170 #define MAJOR_SMART6 77 /* Sixth Compaq Smart/2 iface (/dev/ida/c1d..) */
171 #define MAJOR_SMART7 78 /* Seventh Compaq Smart/2 iface (/dev/ida/c1d..) */
172 #define MAJOR_SMART8 79 /* Eighth Compaq Smart/2 iface (/dev/ida/c1d..) */
174 #define MAJOR_I2O 80 /* First I2O hard disk iface (/dev/i2o/hd..) */
175 #define MAJOR_I2O2 81 /* Second I2O hard disk iface (/dev/i2o/hd..) */
176 #define MAJOR_I2O3 82 /* Third I2O hard disk iface (/dev/i2o/hd..) */
177 #define MAJOR_I2O4 83 /* Fourth I2O hard disk iface (/dev/i2o/hd..) */
178 #define MAJOR_I2O5 84 /* Fifth I2O hard disk iface (/dev/i2o/hd..) */
179 #define MAJOR_I2O6 85 /* Sixth I2O hard disk iface (/dev/i2o/hd..) */
180 #define MAJOR_I2O7 86 /* Seventh I2O hard disk iface (/dev/i2o/hd..) */
181 #define MAJOR_I2O8 87 /* Eighth I2O hard disk iface (/dev/i2o/hd..) */
183 #define MAJOR_IDE7 88 /* Seventh IDE hard disk iface (/dev/hd..) */
184 #define MAJOR_IDE8 89 /* Eighth IDE hard disk iface (/dev/hd..) */
185 #define MAJOR_IDE9 90 /* Ninth IDE hard disk iface (/dev/hd..) */
186 #define MAJOR_IDE10 91 /* Tenth IDE hard disk iface (/dev/hd..) */
188 #define MAJOR_PPDD 92 /* PPDD encrypted disks (not supported) */
189 #define MAJOR_NFTL 93 /* NAND Flash Translation Layer (Disk-On-Chip) */
190 #define MAJOR_DOC 100 /* Disk-On-Chip driver (obsolete) */
191 #define MAJOR_AMI 101 /* AMI Hyper Disk RAID controller (/dev/amiraid/ar..) */
193 #define MAJOR_CISS 104 /* First CCISS Drive Array iface (/dev/cciss/c0..) */
194 #define MAJOR_CISS2 105 /* Second CCISS Drive Array iface (/dev/cciss/c1..) */
195 #define MAJOR_CISS3 106 /* Third CCISS Drive Array iface (/dev/cciss/c2..) */
196 #define MAJOR_CISS4 107 /* Fourth CCISS Drive Array iface (/dev/cciss/c3..) */
197 #define MAJOR_CISS5 108 /* Fifth CCISS Drive Array iface (/dev/cciss/c4..) */
198 #define MAJOR_CISS6 109 /* Sixth CCISS Drive Array iface (/dev/cciss/c5..) */
199 #define MAJOR_CISS7 110 /* Seventh CCISS Drive Array iface (/dev/cciss/c6..) */
200 #define MAJOR_CISS8 111 /* Seventh CCISS Drive Array iface (/dev/cciss/c7..) */
202 #define MAJOR_IBM_ISER 112 /* IBM iSeries virtual disk (/dev/iseries/vd..) */
203 #define MAJOR_HPT370 114 /* Software RAID interfaces e.g.HPT370 (/dev/ataraid/..) */
204 #define MAJOR_EVMS 117 /* Enterprise Volume Management System (/dev/evms/EVM..) */
206 #define MAJOR_EXPR5 120 /* Experimental devices (without official numbers) */
207 #define MAJOR_EXPR6 121 /* Experimental devices (without official numbers) */
208 #define MAJOR_EXPR7 122 /* Experimental devices (without official numbers) */
209 #define MAJOR_EXPR8 123 /* Experimental devices (without official numbers) */
210 #define MAJOR_EXPR9 124 /* Experimental devices (without official numbers) */
211 #define MAJOR_EXPR10 125 /* Experimental devices (without official numbers) */
212 #define MAJOR_EXPR11 126 /* Experimental devices (without official numbers) */
213 #define MAJOR_EXPR12 127 /* Experimental devices (without official numbers) */
215 #define MAJOR_SD9 128 /* SCSI disks 128-143 (/dev/sd..) */
216 #define MAJOR_SD10 129 /* SCSI disks 144-159 (/dev/sd..) */
217 #define MAJOR_SD11 130 /* SCSI disks 160-175 (/dev/sd..) */
218 #define MAJOR_SD12 131 /* SCSI disks 176-191 (/dev/sd..) */
219 #define MAJOR_SD13 132 /* SCSI disks 192-207 (/dev/sd..) */
220 #define MAJOR_SD14 133 /* SCSI disks 208-223 (/dev/sd..) */
221 #define MAJOR_SD15 134 /* SCSI disks 224-239 (/dev/sd..) */
222 #define MAJOR_SD16 135 /* SCSI disks 240-255 (/dev/sd..) */
224 #define MAJOR_DAC9 136 /* Ninth Mylex DAC960 PCI RAID iface (/dev/rd/c8..) */
225 #define MAJOR_DAC10 137 /* Tenth Mylex DAC960 PCI RAID iface (/dev/rd/c9..) */
226 #define MAJOR_DAC11 138 /* Eleventh Mylex DAC960 PCI RAID iface (/dev/rd/c10..) */
227 #define MAJOR_DAC12 139 /* Twelfth Mylex DAC960 PCI RAID iface (/dev/rd/c11..) */
228 #define MAJOR_DAC13 140 /* Thirteenth Mylex DAC960 PCI RAID iface (/dev/rd/c12..) */
229 #define MAJOR_DAC14 141 /* Fourteenth Mylex DAC960 PCI RAID iface (/dev/rd/c13..) */
230 #define MAJOR_DAC15 142 /* Fifteenth Mylex DAC960 PCI RAID iface (/dev/rd/c14..) */
231 #define MAJOR_DAC16 143 /* Sixteenth Mylex DAC960 PCI RAID iface (/dev/rd/c15..) */
233 #define MAJOR_EMD 153 /* Enhanced multi-disk RAID sets (/dev/emd/..) */
234 #define MAJOR_CARM1 160 /* First Carmel SATA Disk controller (/dev/carmel/..) */
235 #define MAJOR_CARM2 161 /* Second Carmel SATA Disk controller (/dev/carmel/..) */
236 #define MAJOR_MMC 179 /* MMC card block devices (/dev/mmcblk..) */
237 #define MAJOR_USB 180 /* USB block devices (/dev/ub..) */
239 #define MAJOR_VXDSK 199 /* Veritas volume manager (VxVM) volumes (/dev/vx/dsk/..) */
240 #define MAJOR_VXDMP 201 /* Veritas VxVM dynamic multipath devices (/dev/vx/dmp/..) */
241 #define MAJOR_XVD 202 /* Xen Virtual Block Device Disks (/dev/xv..) */
243 /* don't use the following */
244 #define MAJOR_MDP 254 /* Enhanced multi-disk RAID sets [experimental] */
246 /* high partitions (>15) on SATA hard disks */
247 #define MAJOR_SATA1 259 /* high SATA disk partitions (Block Extended Major) */
248 #define MAJOR_SATA2 260 /* high SATA disk partitions (Block Extended Major) (obsolete) */
251 #define MAX_TOKEN 1023 /* max device Token length */
252 #define MAX_IMAGE_NAME 15 /* maximum name length (w/o terminating NUL) */
253 #define MAX_DESCR_SECTORS 12 /* upper limit on MAX_DESCR_SECS */
257 #define SHS_PASSWORDS /* use this one if SHS passwords are in use */
258 #define MAX_PW_CRC 5 /* max # of longwords in password digest */
259 #define PW_FILE_SUFFIX ".shs" /* suffix for the file that saves password digest */
261 #define CRC_PASSWORDS /* use this one if CRC passwords are in use */
262 #define MAX_PW_CRC 2 /* max # of CRC-32's in password */
263 #define PW_FILE_SUFFIX ".crc" /* suffix for the file that saves password CRC's */
267 #define MAX_DESCR_SECS LCF_DSECS
269 #define MAX_DESCR_SECS 2 /* maximum # of descriptor sectors */
271 #if MAX_DESCR_SECS > MAX_DESCR_SECTORS
272 #error "Maximum DSECS=x exceeded."
274 #define MAX_IMAGES ((int)((SECTOR_SIZE*MAX_DESCR_SECS-sizeof(INT4)-1)/sizeof(IMAGE_DESCR)))
275 /* maximum number of images */
277 #define COMMAND_LINE_SIZE 512 /* CL_LENGTH */
278 #define SECTOR_SIZE 512 /* disk sector size */
279 #ifndef BLOCK_SIZE /* may also come from linux/fs.h */
280 #define BLOCK_SIZE 1024 /* disk block size */
283 #define PARTITION_ENTRY 16 /* size of one partition entry */
284 #define PARTITION_ENTRIES 4 /* number of partition entries */
285 #define PART_TABLE_SIZE (PARTITION_ENTRY*PARTITION_ENTRIES)
286 #define PART_TABLE_OFFSET 0x1be /* offset in the master boot sector */
287 #define PART_ACT_ENT_OFF 0 /* offset in entry for active flag */
288 #define PART_TYPE_ENT_OFF 4 /* offset in entry for partition type */
290 #define P_MASK(x) ((~has_partitions(x))&0xFFFFFFFF)
291 #define D_MASK(x) (has_partitions(x))
292 #define PART_MAX PARTITION_ENTRIES /* biggest primary partition number */
293 #define PART_MAX_MAX 63 /* max. partition number (on IDE disks) */
295 #define MAX_BOOT_SIZE 0x1b6 /* (leave some space for NT's and DR DOS' dirty
296 hacks) scream if the boot sector gets any
297 bigger -- (22.5 - we now use those hacks) */
299 #define BOOT_SIGNATURE 0xAA55 /* boot signature */
300 #define BOOT_SIG_OFFSET 510 /* boot signature offset */
301 #define MAGIC_SERIAL 0xC9CF /* LILO installed serial number */
302 #define PRIME 271 /* prime number used for serial no generation */
303 #define SMALL_PRIME 17 /* another prime, but a small one */
305 #define MAX_BIOS_DEVICES 2 /* max hard disk devices used by BIOS */
306 #define MAX_DEVICES 4 /* max hard disk devices, total */
308 #define MAX_BIOS_DEVICES 16 /* max hard disk devices used by BIOS */
309 #define MAX_DEVICES 64 /* max hard disk devices, total */
311 #define MAX_RAID 30 /* max number of RAID disks in a set */
313 #define MAX_RAID_DEVICES 6 /* max raid devices reported to second.S */
315 #define MAX_RAID_DEVICES MAX_DESCR_SECTORS-MAX_DESCR_SECS+6 /* max raid devices reported to second.S */
318 #define PART_LINUX_MINIX 0x81 /* Linux/MINIX partition */
319 #define PART_LINUX_SWAP 0x82 /* Linux swap partition */
320 #define PART_LINUX_NATIVE 0x83 /* Linux native (file system) */
321 #define PART_DOS_EXTD 5 /* DOS Extended partition */
322 #define PART_WIN_EXTD_LBA 0xF /* Win95/98 Extended partition */
323 #define PART_LINUX_EXTD 0x85 /* Linux Extended partition */
324 #define PART_LINUX_LVM 0x8E /* Linux LVM partition */
325 /* #define PART_OS2_BOOTMGR 0xA - OS/2 Boot Manager */
327 #define PART_DOS12 1 /* DOS 12 bit FAT partition type */
328 #define PART_DOS16_SMALL 4 /* DOS 16 bit FAT partition type, < 32 MB */
329 #define PART_DOS16_BIG 6 /* DOS 16 bit FAT partition type, >= 32 MB */
330 #define PART_HPFS 7 /* OS/2 High Performance File System */
331 #define PART_NTFS 7 /* WinNT File System */
332 #define PART_FAT32 0xB /* Win95/98 FAT32 partition on small disk */
333 #define PART_FAT32_LBA 0xC /* Win95/98 FAT32 partition on large disk */
334 #define PART_FAT16_LBA 0xE /* Win95/98 FAT16 partition on large disk */
335 #define PART_INVALID 98 /* invalid partition type */
337 #define HIDDEN_OFF 0x10 /* type offset to hide partition (OS/2 BM) */
338 #define PART_HDOS12 (PART_DOS12+HIDDEN_OFF)
339 #define PART_HDOS16_SMALL (PART_DOS16_SMALL+HIDDEN_OFF)
340 #define PART_HDOS16_BIG (PART_DOS16_BIG+HIDDEN_OFF)
342 #define STAGE_FIRST 1 /* first stage loader code */
343 #define STAGE_SECOND 2 /* second stage loader code */
344 #define STAGE_CHAIN 0x10 /* chain loader code */
345 #define STAGE_DRIVE_MAP 0x11 /* chain loader drive mapper */
346 #define STAGE_MBR 0x12 /* mbr loader */
347 #define STAGE_MBR2 0x13 /* mbr2 loader (extended) */
348 #define STAGE_FLAG_SERIAL 0x0100 /* boot loader supports serial i/o */
349 #define STAGE_FLAG_MENU 0x0200 /* boot loader supports menu interface */
350 #define STAGE_FLAG_BMP4 0x0400 /* boot loader supports 640x480x4 bitmaps */
352 #define VSS_NUM 497 /* address where variable setup size is stored */
353 #define VGA_SET 506 /* address of initial kernel VGA mode */
354 #define SETUPSECS 4 /* default number of setup sectors */
355 #define MAX_SETUPSECS 63 /* maximum number of sectors in kernel
356 setup code (+ bootsect) (for kernel >= 2.4.0) */
357 #define MAX_KERNEL_SECS 1024 /* absolute maximum kernel size */
358 #define SPECIAL_SECTORS 2 /* special sectors (don't compact) at beginning
360 #define SPECIAL_BOOTSECT 1 /* INITSEG bootsect.S bootloader at beginning
361 of all kernels, ahead of SETUPSECS */
363 #define LINEAR_FLAG 0x40 /* mark linear address */
364 #define LBA32_FLAG 0x20 /* mark lba 32-bit address */
365 #define LBA32_NOCOUNT 0x40 /* mark address with count absent */
366 #define RAID_REL_FLAG 0x10 /* mark address raid-relocatable */
370 * 0x00 pure geometric addressing (C:H:S)
371 * 0x40 Linear address (24-bits) converted to CHS at boot-time
372 * 0x60 LBA32 address (32-bits), count=1, sets the high nibble!!
373 * 0x20 LBA32 address (24-bits) + (8-bit) high nibble (implied)
376 #define DEV_MASK_EXP 0x80+MAX_BIOS_DEVICES-1
377 #define DEV_MASK (DEV_MASK_EXP)
379 #define EX_OFF SETUP_STACKSIZE-8+SSDIFF /* external parameter block */
380 #define EX_DL_MAG 0xfe /* magic number in DL */
381 #define EX_MAG_L 0x494c /* magic number at ES:SI, "LI" */
382 #define EX_MAG_H 0x4f4c /* magic number at ES:SI+2, "LO" */
383 #define EX_MAG_HL 0x4f4c494c /* "LILO" */
384 #define EX_MAG_STRING "LILO" /* magic signature string as as string */
386 #define BIOS_MAX_DEVS 2 /* BIOS devices (2 fd, 2 hd) */
387 #define BIOS_MAX_HEADS 256 /* 8 bits head number; really 255 */
388 /* but must account for oddball BIOS's that allow 256 */
389 #define BIOS_MAX_CYLS 1024 /* 10 bits cylinder number */
390 #define BIOS_MAX_SECS 64 /* 6 bits sector number (really 63) */
392 /* these are the boot record flags in the "prompt" variable */
393 #define FLAG_PROMPT 1 /* always issue boot: prompt */
394 #define FLAG_RAID 2 /* one boot record of many */
395 #define FLAG_RAID_DEFEAT 4 /* defeat finding this RAID boot record */
397 #define FLAG_RAID_NOWRITE 8 /* defeat RAID writeback of command line */
399 #define FLAG_NOBD 16 /* defeat BIOS data collection at boot time */
400 #define FLAG_LARGEMEM 32 /* BIOS has MoveExtMemBlk support for 386 */
401 #define FLAG_MAP_ON_BOOT 64 /* map file is on the boot device */
402 #define FLAG_BD_OKAY 128 /* BIOS data collection known to work */
403 #ifdef FLAG_RAID_NOWRITE
404 #define FLAG_SAVE (~(FLAG_RAID|FLAG_RAID_DEFEAT|FLAG_RAID_NOWRITE)) /* All but raid flags */
406 #define FLAG_SAVE (~(FLAG_RAID|FLAG_RAID_DEFEAT)) /* All but raid flags */
409 /* these are the second-stage specific flags */
410 #define FLAG2_EL_TORITO 2 /* El Torito format bootable CD */
411 #define FLAG2_UNATTENDED 4 /* Unattended booting option */
412 #define FLAG2_VIRTUAL 8 /* vmdefault, vmdisable, vmwarn used */
413 #define FLAG2_NOKBD 16 /* nokbdefault, nokbdisable used */
415 /* these are the descriptor flags */
416 #define FLAG_VGA 1 /* override VGA mode */
417 #define FLAG_RESTR 2 /* restrict additional parameters */
418 #define FLAG_LOCK 4 /* lock on target */
419 #define FLAG_MODKRN 8 /* modern kernel with high memory support */
420 #define FLAG_KERNEL 16 /* image is a kernel */
421 #define FLAG_TOOBIG 32 /* initrd so big that kernel could be overwritten */
422 #define FLAG_FALLBACK 64 /* fallback command line exists */
423 #define FLAG_PASSWORD 128 /* this image requires a password */
424 #define FLAG_LOADHI 256 /* this kernel loads high (>=1Mb) */
426 #define FLAG_VMDISABLE 512 /* unable to boot if virtual */
427 #define FLAG_VMWARN 1024 /* warn on virtual boot */
428 #define FLAG_VMDEFAULT 2048 /* this is the default vitual load */
430 #define FLAG_SINGLE 4096 /* single key activation */
431 #define FLAG_RETAIN 0x2000 /* retain BMP screen on boot */
432 #ifdef LCF_NOKEYBOARD
433 #define FLAG_NOKBDEFAULT 0x4000 /* this is the default with no keyboard */
434 #define FLAG_NOKBDISABLE 0x8000 /* unable to boot if no keyboard */
437 #define VGA_NOCOVR 0x8000 /* VGA setting not overridden on command line */
439 #define SER_DFL_PRM 0xa3 /* default serial parameters: 2400n8 */
441 #define DC_MAGIC 0xf4f2 /* magic number of default cmd. line sector */
442 #define DC_MGOFF 0x6b6d /* magic number for disabled line */
444 #define MAX_MESSAGE 65535 /* maximum message length */
445 #define MAX_MENU_TITLE 37 /* maximum MENU title length */
447 #define NEW_HDR_SIG "HdrS" /* setup header signature */
448 #define NEW_HDR_VERSION 0x200 /* header version number */
449 #define NEW2_HDR_VERSION 0x202 /* new cmdline protocol */
450 #define NEW3_HDR_VERSION 0X203 /* defines CL_RAMDISK_MAX */
451 #define LOADER_VERSION 0x02 /* loader version, for SETUP_HDR.loader */
452 #define LFLAG_HIGH 1 /* SETUP_HDR.flags */
453 #define LFLAG_USE_HEAP 0x80
455 #define PRTMAP_SIZE 32 /* number of partition type mappings */
456 #define DRVMAP_SIZE 24 /* number of drive mappings */
458 #define CRC_POLY1 0x04c11db7
459 #define CRC_POLY2 0x23a55379
460 #define CRC_POLY3 0x049f21c7
461 #define CRC_POLY4 0x1c632927
462 #define CRC_POLY5 0xA3139383
464 #define PROBE_SIGNATURE "LiLo" /* signature placed in low memory */
465 #define PROBESEG 0x60 /* must be in first 4k page in memory */
466 #define EDD_LTH 30 /* length of the EDD return structure (max) */
467 #define EDD_PACKET 01 /* packet calls are supported */
468 #define EDD_LOCK 02 /* removable media may be locked */
469 #define EDD_SUBSET 04 /* EDD call supported */
474 BOOTSEG = 0x07C0 ! original address of boot-sector
475 PARTS_LOAD= 0x0600 ! partition sector load address
476 PARTS_SCR = 0x0800 ! ditto, for non-boot partitions
477 PART_TABLE= 0x07BE ! partition table
479 INITSEG = DEF_INITSEG ! we move boot here - out of the way
480 SETUPSEG = DEF_SETUPSEG ! setup starts here
481 SYSSEG = DEF_SYSSEG ! system loaded at 0x10000 (65536).
483 MAX_DESCR_SECS_asm = MAX_DESCR_SECS ! **
484 MAX_DESCR_SECTORS_asm = MAX_DESCR_SECTORS ! **
485 MAX_IMAGE_NAME_asm = MAX_IMAGE_NAME ! **
486 MAX_PW_CRC_asm = MAX_PW_CRC ! **
487 SECTOR_SIZE_asm = SECTOR_SIZE ! **
488 MAX_MENU_TITLE_asm = MAX_MENU_TITLE ! **
489 MAX_BIOS_DEVICES_asm = MAX_BIOS_DEVICES ! **
490 MAX_RAID_DEVICES_asm = MAX_RAID_DEVICES ! **
491 DEV_MASK_asm = DEV_MASK_EXP ! **
494 STACKSEG = 0x9000 ! MUST == INITSEG for kernel 2.0.36 (and others?)
495 SETUP_STACKSIZE = 2048 ! stacksize for kernel setup.S
498 #define BOOTSEG 0x07c0 /* for probe.c */
501 #define FIRSTSEG BOOTSEG
505 STACK = 2048 ! amount of stack space to reserve
508 BOOTSECT = 0x200 ! kernel bootsect.S
510 #define SETUP_STACK_DYN PARMLINE
511 #define SLA_SIZE_DYN SETUP_STACK_DYN-SETUP_STACKSIZE-BOOTSECT
513 KBBEG = 0x41A ! beginning of keyboard buffer
514 KBEND = 0x41C ! end of keyboard buffer
521 ! 0x007BE-0x007FD 64 B partition table
522 ! 0x07C00-0x07DFF 0.5 kB HD/FD boot load address
523 ! 0x10000-0x8FFFF 512.0 kB kernel (zImage)
524 ! 0x90000-0x901FF 0.5 kB kernel floppy boot sector (bootsect.S)
525 ! 0x90200-0x967FF 25.5 kB kernel setup code (setup.S) and heap
526 ! 0x96800-0x969FF 0.5 kB LILO stack
527 ! 0x96A00-0x96BFF 0.5 kB LILO first stage loader
528 ! 0x96C00-0x985FF 6.5 kB LILO second stage loader
529 ! 0x98600-0x987FF 0.5 kB file map load area
530 ! 0x98800-0x98BFF 1 kB descriptor table load area
531 ! 0x98C00-0x98DFF 0.5 kB default command line load area
532 ! 0x98E00-0x98FFF 0.5 kB keyboard translation table load area
533 ! 0x99000-0x991FF 0.5 kB parameter line construction area
534 ! 0x99200-0x9FFFF 27.5 kB Extended BIOS Data Area
536 ! when LILO has loaded the kernel, and control is transfered to
537 ! the kernel setup.S code at 0x9020:0000
539 ! 0x007BE-0x007FD 64 B partition table
540 ! 0x07C00-0x07DFF 0.5 kB HD/FD boot load address
541 ! 0x10000-0x8FFFF 512.0 kB kernel (zImage)
542 ! 0x90000-0x901FF 0.5 kB kernel floppy boot sector (bootsect.S)
543 ! 0x90200-0x967FF 25.5 kB kernel setup code (setup.S) and heap
544 ! 0x96800-0x987FF 8.0 kB additional heap space
545 ! 0x98800-0x98FFF 2.0 kB stack created for (setup.S)
546 ! 0x99000-0x991FF 0.5 kB parameter line for kernel
547 ! 0x99200-0x9FFFF 27.5 kB Extended BIOS Data Area
549 CL_MAGIC_ADDR = 0x20 ! command line magic number
550 CL_MAGIC = 0xa33f ! very unusual command sequence
551 CL_OFFSET = 0x22 ! command line offset
552 CL_LENGTH = COMMAND_LINE_SIZE ! maximum length = 256-1
554 ! 0x90020-0x90021 2 by command line magic number
555 ! 0x90022-0x90023 2 by command line offset
557 CL_HEADER_ID = 0x202 ! "HdrS"
558 CL_HDRS_VERSION = 0x206 ! 0x0201=old; 0x0202=new
559 NEW_VERSION = NEW2_HDR_VERSION ! 0x0202 for new cmdline protocol
560 CL_POINTER = 0x228 ! new pointer is dword address
561 CL_RAMDISK_MAX = CL_POINTER+4 ! ramdisk_max; header version 0x0203
566 /* Bug fix needed for some S-ATA controllers with the Silicon Image
567 3112 or 3114 chipsets. Early versions of the SI BIOS do not properly
568 update the low memory size in the BIOS Data Area at 40h:13h when
569 they allocate space in the Extended BIOS Data Area (EBDA).
571 #ifdef LCF_BUG_SI_EBDA
572 # define EBDA_EXTRA LCF_BUG_SI_EBDA
574 # define EBDA_EXTRA 0
578 /* the following configuration variable are now required
579 don't compile without them ...