dec-multia: make netboot possible, add aboot bootloader

8 files changed, 1054 insertions, 0 deletions

diff --git a/package/aboot/src/srmbootfat/COPYING b/package/aboot/src/srmbootfat/COPYING
new file mode 100644
index 000000000..a58e4228d
--- /dev/null
+++ b/package/aboot/src/srmbootfat/COPYING
@@ -0,0 +1,349 @@
+This software uses part of mtools-3.9.
+Mtools are Copyright (C) 1995 Alain Knaff.
+The rest is Copyright (C) 1998 Nikita Schmidt.
+
+ You may use, distribute and copy this program according to the terms of the
+GNU General Public License version 2 or later.
+
+ Alain Knaff
+----------------------------------------
+
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+                          675 Mass Ave, Cambridge, MA 02139, USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
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+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
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+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
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+
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+This section is intended to make thoroughly clear what is believed to
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+
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+			    NO WARRANTY
+
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+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+	Appendix: How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) 19yy  <name of author>
+
+    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; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) 19yy name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
diff --git a/package/aboot/src/srmbootfat/Makefile b/package/aboot/src/srmbootfat/Makefile
new file mode 100644
index 000000000..27808ea2e
--- /dev/null
+++ b/package/aboot/src/srmbootfat/Makefile
@@ -0,0 +1,24 @@
+ifndef ($(CC))
+CC	= gcc
+endif
+override CFLAGS	+= -O2 -g -pipe -Wall
+#override LDFLAGS	+= -s
+SBINDIR	= ../bin
+
+all:	srmbootfat srmbootraw srmbootfat.1 srmbootraw.8
+
+srmbootfat: srmbootfat.c msdos.h
+	$(CC) $(CFLAGS) $(LDFLAGS) -o srmbootfat srmbootfat.c
+
+srmbootraw: srmbootraw.c
+	$(CC) $(CFLAGS) $(LDFLAGS) -o srmbootraw srmbootraw.c
+
+srmbootfat.1: srmbootfat.sgml
+	nsgmls srmbootfat.sgml | sgmlspl sgmlspl-specs/docbook2man-spec.pl
+
+srmbootraw.8: srmbootraw.sgml
+	nsgmls srmbootraw.sgml | sgmlspl sgmlspl-specs/docbook2man-spec.pl
+
+clean:
+	rm -f srmbootfat srmbootraw srmbootfat.1 srmbootraw.8 manpage.links manpage.log manpage.refs
+
diff --git a/package/aboot/src/srmbootfat/README b/package/aboot/src/srmbootfat/README
new file mode 100644
index 000000000..80ff41887
--- /dev/null
+++ b/package/aboot/src/srmbootfat/README
@@ -0,0 +1,5 @@
+The contents of this diretory are taken from the milo source
+which can be found at http://milo.coresystems.de/source/milo-2.2-18.tar.bz2
+
+Additional patches to srmbootfat have been applied; also the man pages are
+improved in respect to the upstream version.
diff --git a/package/aboot/src/srmbootfat/msdos.h b/package/aboot/src/srmbootfat/msdos.h
new file mode 100644
index 000000000..60b3ca29a
--- /dev/null
+++ b/package/aboot/src/srmbootfat/msdos.h
@@ -0,0 +1,160 @@
+#ifndef MTOOLS_MSDOS_H
+#define MTOOLS_MSDOS_H
+
+/*
+ * msdos common header file
+ */
+
+#define MAX_SECTOR	8192   		/* largest sector size */
+#define MDIR_SIZE	32		/* MSDOS directory entry size in bytes*/
+#define MAX_CLUSTER	8192		/* largest cluster size */
+#define MAX_PATH	128		/* largest MSDOS path length */
+#define MAX_DIR_SECS	64		/* largest directory (in sectors) */
+
+#define NEW		1
+#define OLD		0
+
+#define _WORD(x) ((unsigned char)(x)[0] + (((unsigned char)(x)[1]) << 8))
+#define _DWORD(x) (_WORD(x) + (_WORD((x)+2) << 16))
+
+#define DELMARK ((char) 0xe5)
+
+struct directory {
+	char name[8];			/*  0 file name */
+	char ext[3];			/*  8 file extension */
+	unsigned char attr;		/* 11 attribute byte */
+	unsigned char Case;		/* 12 case of short filename */
+	unsigned char ctime_ms;		/* 13 creation time, milliseconds (?) */
+	unsigned char ctime[2];		/* 14 creation time */
+	unsigned char cdate[2];		/* 16 creation date */
+	unsigned char adate[2];		/* 18 last access date */
+	unsigned char startHi[2];	/* 20 start cluster, Hi */
+	unsigned char time[2];		/* 22 time stamp */
+	unsigned char date[2];		/* 24 date stamp */
+	unsigned char start[2];		/* 26 starting cluster number */
+	unsigned char size[4];		/* 28 size of the file */
+};
+
+#define EXTCASE 0x10
+#define BASECASE 0x8
+
+#define MAX32 0xffffffff
+#define MAX_SIZE 0x7fffffff
+
+
+
+typedef struct InfoSector_t {
+	unsigned char signature0[4];
+	unsigned char filler[0x1e0];
+	unsigned char signature[4];
+	unsigned char count[4];
+	unsigned char pos[4];
+} InfoSector_t;
+
+#define INFOSECT_SIGNATURE0 0x41615252
+#define INFOSECT_SIGNATURE 0x61417272
+
+
+/* FAT32 specific info in the bootsector */
+typedef struct fat32_t {
+	unsigned char bigFat[4];	/* 36 nb of sectors per FAT */
+	unsigned char extFlags[2];     	/* 40 extension flags */
+	unsigned char fsVersion[2];	/* 42 ? */
+	unsigned char rootCluster[4];	/* 44 start cluster of root dir */
+	unsigned char infoSector[2];	/* 48 changeable global info */
+	unsigned char backupBoot[2];	/* 50 back up boot sector */
+	unsigned char reserved[6];	/* 52 ? */
+} fat32; /* ends at 58 */
+
+typedef struct oldboot_t {
+	unsigned char physdrive;	/* 36 physical drive ? */
+	unsigned char reserved;		/* 37 reserved */
+	unsigned char dos4;		/* 38 dos > 4.0 diskette */
+	unsigned char serial[4];       	/* 39 serial number */
+	char label[11];			/* 43 disk label */
+	char fat_type[8];		/* 54 FAT type */
+			
+	unsigned char res_2m;		/* 62 reserved by 2M */
+	unsigned char CheckSum;		/* 63 2M checksum (not used) */
+	unsigned char fmt_2mf;		/* 64 2MF format version */
+	unsigned char wt;		/* 65 1 if write track after format */
+	unsigned char rate_0;		/* 66 data transfer rate on track 0 */
+	unsigned char rate_any;		/* 67 data transfer rate on track<>0 */
+	unsigned char BootP[2];		/* 68 offset to boot program */
+	unsigned char Infp0[2];		/* 70 T1: information for track 0 */
+	unsigned char InfpX[2];		/* 72 T2: information for track<>0 */
+	unsigned char InfTm[2];		/* 74 T3: track sectors size table */
+	unsigned char DateF[2];		/* 76 Format date */
+	unsigned char TimeF[2];		/* 78 Format time */
+	unsigned char junk[1024 - 80];	/* 80 remaining data */
+} oldboot_t;
+
+struct bootsector {
+	unsigned char jump[3];		/* 0  Jump to boot code */
+	char banner[8];		       	/* 3  OEM name & version */
+	unsigned char secsiz[2];	/* 11 Bytes per sector hopefully 512 */
+	unsigned char clsiz;    	/* 13 Cluster size in sectors */
+	unsigned char nrsvsect[2];	/* 14 Number of reserved (boot) sectors */
+	unsigned char nfat;		/* 16 Number of FAT tables hopefully 2 */
+	unsigned char dirents[2];	/* 17 Number of directory slots */
+	unsigned char psect[2]; 	/* 19 Total sectors on disk */
+	unsigned char descr;		/* 21 Media descriptor=first byte of FAT */
+	unsigned char fatlen[2];	/* 22 Sectors in FAT */
+	unsigned char nsect[2];		/* 24 Sectors/track */
+	unsigned char nheads[2];	/* 26 Heads */
+	unsigned char nhs[4];		/* 28 number of hidden sectors */
+	unsigned char bigsect[4];	/* 32 big total sectors */
+
+	union {
+		struct fat32_t fat32;
+		struct oldboot_t old;
+	} ext;
+};
+
+extern struct OldDos_t {
+	unsigned int tracks;
+	unsigned int sectors;
+	unsigned int heads;
+	
+	unsigned int dir_len;
+	unsigned int cluster_size;
+	unsigned int fat_len;
+
+	unsigned int media;
+} old_dos[];
+
+#define FAT12 4085 /* max. number of clusters described by a 12 bit FAT */
+#define FAT16 65525
+
+#define MAX_SECT_PER_CLUSTER 64
+/* Experimentally, it turns out that DOS only accepts cluster sizes
+ * which are powers of two, and less than 128 sectors (else it gets a
+ * divide overflow) */
+
+
+#define FAT_SIZE(bits, sec_siz, clusters) \
+	((((clusters)+2) * ((bits)/4) - 1) / 2 / (sec_siz) + 1)
+
+#define NEEDED_FAT_SIZE(x) FAT_SIZE((x)->fat_bits, (x)->sector_size, \
+				    (x)->num_clus)
+
+/* disk size taken by FAT and clusters */
+#define DISK_SIZE(bits, sec_siz, clusters, n, cluster_size) \
+	((n) * FAT_SIZE(bits, sec_siz, clusters) + \
+	 (clusters) * (cluster_size))
+
+#define TOTAL_DISK_SIZE(bits, sec_siz, clusters, n, cluster_size) \
+	(DISK_SIZE(bits, sec_siz, clusters, n, cluster_size) + 2)
+/* approx. total disk size: assume 1 boot sector and one directory sector */
+
+extern const char *mversion;
+extern const char *mdate;
+
+
+
+int init(char drive, int mode);
+
+#define MT_READ 1
+#define MT_WRITE 2
+
+#endif
diff --git a/package/aboot/src/srmbootfat/srmbootfat.c b/package/aboot/src/srmbootfat/srmbootfat.c
new file mode 100644
index 000000000..71380ded5
--- /dev/null
+++ b/package/aboot/src/srmbootfat/srmbootfat.c
@@ -0,0 +1,246 @@
+/*
+ *  SRMbootFAT - SRM boot block composer for FAT filesystems.
+ *  Copyright (C) 1998 Nikita Schmidt  <cetus@snowball.ucd.ie>
+ *  msdos.h is Copyright (C) 1995 Alain Knaff.
+ *
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <sys/types.h>
+
+#include "msdos.h"
+
+/* This should test for little-endianness, but why bother,
+   the whole thing is Alpha-specific anyway. */
+#ifdef __alpha__	/* Little endian */
+#define WORD(x)	 (*(u_int16_t *)(x))
+#define DWORD(x) (*(u_int32_t *)(x))
+#else			/* Big endian; in fact, generic stuff */
+#define WORD	 _WORD
+#define DWORD	 _DWORD
+#endif
+
+union full_bootsector {
+	struct bootsector dos;
+	struct {
+		unsigned char textlabel[64];
+		unsigned char disklabel[276];
+		unsigned char unused[140];
+		u_int64_t count, start, flags;
+		u_int64_t checksum;
+	} srm;
+	struct {
+		u_int64_t contents[63];
+		u_int64_t checksum;
+	} check;
+};
+
+#ifdef __alpha__	/* Should be test for little endian */
+unsigned int get_fat_entry (unsigned char *fat, int fatbits, unsigned entry)
+{
+	unsigned i, a, b;
+
+	/* No check for fat boundaries... */
+	switch (fatbits) {
+	    case 12:
+		i = ((entry *= 3) & 7) << 2;	/* Number of bits to shift */
+		a = ((u_int32_t *)fat)[entry >>= 3];
+		b = ((u_int32_t *)fat)[entry + 1];   /* May be outside FAT */
+		return ((a >> i) | (b << (32 - i))) & 0xFFF;
+	    case 16:
+		return ((u_int16_t *)fat)[entry];
+	}
+	fprintf (stderr, "Unknown FAT type - FAT-%d\n", fatbits);
+	exit (3);
+}
+#else
+// Portable Version from Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
+unsigned int get_fat_entry (unsigned char *fat, int fatbits, unsigned entry)
+{
+        unsigned i, a, b;
+
+        /* No check for fat boundaries... */
+        switch (fatbits) {
+            case 12:
+                i = ((entry *= 3) & 7) << 2;    /* Number of bits to shift */
+                entry >>= 3;
+                a = DWORD(fat + 4 * entry);
+                b = DWORD(fat + 4 * entry + 4);
+                return ((a >> i) | (b << (32 - i))) & 0xFFF;
+            case 16:
+                return WORD(fat + 2 * entry);
+        }
+        fprintf (stderr, "Unknown FAT type - FAT-%d\n", fatbits);
+        exit (3);
+}
+#endif
+
+int main (int argc, char *argv[])
+{
+	int f;
+	int i;
+	char *p;
+	union full_bootsector boot;
+	unsigned secsize;	/* Bytes per sector, hopefully 512 */
+	unsigned clusize;    	/* Cluster size in sectors */
+	unsigned fatstart;	/* Number of reserved (boot) sectors */
+	unsigned nfat;		/* Number of FAT tables, hopefully 2 */
+	unsigned dirents;	/* Number of directory slots */
+	unsigned psect; 	/* Total sectors on disk */
+	unsigned media;		/* Media descriptor=first byte of FAT */
+	unsigned fatsize;	/* Sectors in FAT */
+	unsigned fatbits;	/* FAT type (bits per entry) */
+	unsigned char *fat;
+	struct directory *rootdir;
+	unsigned start;		/* Starting cluster of the boot file */
+	unsigned size;		/* Boot file size */
+	unsigned fat_end;
+	unsigned j;
+	u_int64_t checksum;
+	char dosname[12];
+
+	if (argc != 3)
+		return printf ("Usage:  srmbootfat <filesystem image file> <boot file>\n"), 1;
+
+	if ((f = open (argv[1], O_RDWR)) < 0)
+		return perror (argv[1]), 2;
+
+	if (read (f, &boot, sizeof boot) != sizeof boot)
+		return fprintf (stderr, "Can't read boot sector from %s\n", argv[1]), 2;
+
+	secsize = _WORD (boot.dos.secsiz);
+	clusize = boot.dos.clsiz;
+	fatstart = WORD (boot.dos.nrsvsect);
+	nfat = boot.dos.nfat;
+	dirents = _WORD (boot.dos.dirents);
+	psect = _WORD (boot.dos.psect);
+	media = boot.dos.descr;
+	fatsize = WORD (boot.dos.fatlen);
+
+	if ((media & ~7) == 0xf8) {
+		i = media & 3;
+		clusize = old_dos[i].cluster_size;
+		fatstart = 1;
+		fatsize = old_dos[i].fat_len;
+		dirents = old_dos[i].dir_len * (512 / MDIR_SIZE);
+		nfat = 2;
+		fatbits = 12;
+	} else if (strncmp (boot.dos.ext.old.fat_type, "FAT12", 5) == 0)
+		fatbits = 12;
+	else if (strncmp (boot.dos.ext.old.fat_type, "FAT16", 5) == 0)
+		fatbits = 16;
+	else return fprintf (stderr, "%s: unrecognisable FAT type\n", argv[1]),
+			3;
+#ifdef DEBUG
+	printf ("%s: filesystem type is FAT-%d\n", argv[1], fatbits);
+#endif
+
+	if (secsize != 512)
+		return fprintf (stderr, "%s: sector size is %d; "
+				"unfortunately, this is not supported\n",
+				argv[1], secsize),
+			3;
+	if (nfat != 1 && nfat != 2)
+		fprintf (stderr,
+			"%s: warning: weird number of FAT tables (%d)\n",
+			argv[1], nfat);
+
+	fat = malloc (i = fatsize * secsize);
+	rootdir = malloc (dirents * MDIR_SIZE);
+	if (!fat || !rootdir)
+		return fprintf (stderr, "Not enough memory\n"), 2;
+	if (lseek (f, fatstart * secsize, SEEK_SET) == -1
+	 || read (f, fat, i) != i
+	 || lseek (f, (nfat - 1) * i, SEEK_CUR) == -1
+	 || read (f, rootdir, dirents * MDIR_SIZE) != dirents * MDIR_SIZE)
+		return perror (argv[1]), 2;
+
+	memset (dosname, ' ', sizeof dosname);
+	i = 0;
+	for (p = argv[2]; *p; p++)
+		if (*p == '.')
+			i = 8;
+		else if (i < sizeof dosname)
+			dosname[i++] = toupper (*p);
+
+	for (i = 0; i < dirents; i++)
+		if (memcmp (rootdir[i].name, dosname, 11) == 0
+		 && (rootdir[i].attr & (8 | 16)) == 0)
+			break;
+	if (i == dirents)
+		return fprintf (stderr,
+			"Can't find %s in the root directory in %s\n",
+			argv[2], argv[1]), 4;
+
+	start = WORD (rootdir[i].start);
+	size = DWORD (rootdir[i].size);
+
+	if (start * fatbits > fatsize * secsize * 8)
+		return fprintf (stderr,
+			"%s: first cluster (%u) is beyond the end of FAT",
+			argv[2], start), 3;
+
+	/* Fill in the bootstrap information */
+	size = (size + secsize - 1) / secsize;	/* Size is now in sectors */
+	boot.srm.start = (start - 2) * clusize + fatstart + nfat * fatsize
+		+ dirents / (512 / MDIR_SIZE);
+	boot.srm.count = size;
+	boot.srm.flags = 0;
+
+	/* Check that the image is contiguous */
+	i = 1;
+	fat_end = (1 << fatbits) - 9;	/* 0xFF7, 0xFFF7 or whatever */
+	while ((j = get_fat_entry (fat, fatbits, start)) < fat_end) {
+		if (j != start + 1)
+			return fprintf (stderr,
+				"Unfortunately, %s is not contiguous\n",
+				argv[2]), 4;
+		start = j;
+		i++;
+	}
+	if ((size + clusize - 1) / clusize != i)
+		return fprintf (stderr, "Inconsistency: file size contradicts "
+				"with the number of clusters allocated\n"), 3;
+
+	/* Put the checksum and write the boot sector. */
+	checksum = 0;
+	for (i = 0; i < 63; i++)
+		checksum += boot.check.contents[i];
+	boot.check.checksum = checksum;
+
+	printf ("Writing SRM boot block: starting sector %u, block count %u\n",
+		(unsigned)boot.srm.start, (unsigned)boot.srm.count);
+
+	if (lseek (f, 0, SEEK_SET) == -1
+	 || write (f, &boot, sizeof boot) != sizeof boot)
+		return perror (argv[2]), 2;
+
+	close (f);
+	return 0;
+}
+
+struct OldDos_t old_dos[]={
+	{   40,  9,  1, 4, 1, 2, 0xfc },
+	{   40,  9,  2, 7, 2, 2, 0xfd },
+	{   40,  8,  1, 4, 1, 1, 0xfe },
+	{   40,  8,  2, 7, 2, 1, 0xff },
+	{   80,  9,  2, 7, 2, 3, 0xf9 },
+	{   80, 15,  2,14, 1, 7, 0xf9 },
+	{   80, 18,  2,14, 1, 9, 0xf0 },
+	{   80, 36,  2,15, 2, 9, 0xf0 },
+	{    1,  8,  1, 1, 1, 1, 0xf0 }
+};
diff --git a/package/aboot/src/srmbootfat/srmbootfat.sgml b/package/aboot/src/srmbootfat/srmbootfat.sgml
new file mode 100644
index 000000000..33d5f4d8f
--- /dev/null
+++ b/package/aboot/src/srmbootfat/srmbootfat.sgml
@@ -0,0 +1,85 @@
+<!DOCTYPE RefEntry PUBLIC "-//OASIS//DTD DocBook V4.1//EN">
+<refentry id="srmbootfat">
+
+<refmeta>
+<refentrytitle>srmbootfat</refentrytitle>
+<manvolnum>1</manvolnum>
+<refmiscinfo>srmbootfat</refmiscinfo>
+</refmeta>
+
+<refnamediv>
+<refname>srmbootfat</refname>
+<refpurpose>
+Linux/Alpha SRM boot block composer
+</refpurpose>
+</refnamediv>
+
+<refsynopsisdiv>
+ <cmdsynopsis>
+   <command>srmbootfat</command> 
+        <arg choice="plain">filesystem_image</arg>
+        <arg choice="plain">boot_file</arg>
+   </cmdsynopsis>
+</refsynopsisdiv>
+
+<!--  <refsect1><title>COPYRIGHT</title>
+<para>
+</para>
+</refsect1> -->
+
+<refsect1><title>DESCRIPTIONS</title>
+<para>
+<indexterm><primary>srmbootfat</primary></indexterm>
+This tool is a quick hack and is not supposed to exist in its present
+state for long.
+</para>
+
+<para>
+<application>Srmbootfat</application> finds <filename>boot_file</filename>
+in the root directory of the <acronym>FAT</acronym> file system stored in file
+<filename>filesystem_image</filename>
+and makes it bootable by writing the appropriate SRM boot block into the
+file system image file.  This will work only on unpartitioned disks (such as
+floppies), because otherwise the boot block would need to be written into the
+partition table, which is outside the file system.  However, a hard drive
+containing a FAT file system would most probably be partitioned using the PC
+partition table, which SRM cannot boot from anyway.
+</para>
+
+<para>
+The bootloader (<filename>boot_file</filename>)
+must be contiguous, i.e. occupy consecutive blocks.
+</para>
+</refsect1>
+
+<refsect1><title>ARGUMENTS</title>
+<para>
+<variablelist>
+<varlistentry><term><filename>filesystem_image</filename></term>
+<listitem><para>
+The name of the file containing a FAT file system image, e.g.
+<filename>/dev/fd0</filename>.
+</para></listitem></varlistentry>
+<varlistentry><term><filename>boot_file</filename></term>
+<listitem><para>
+The file name of the bootloader.
+</para></listitem></varlistentry>
+</variablelist>
+</refsect1>
+
+<!-- <refsect1><title>BUGS</title>
+<para>
+</para>
+</refsect1> -->
+
+<refsect1><title>AUTHOR</title>
+<para>
+Nikita Schmidt <email>cetus@snowball.ucd.ie</email>
+</para>
+</refsect1>
+<refsect1><title>SEE ALSO</title>
+<para>
+<application>aboot</application>(8), <application>mke2fs</application>(8), <application>e2writeboot</application>(8)
+</para>
+</refsect1>
+</refentry>
diff --git a/package/aboot/src/srmbootfat/srmbootraw.c b/package/aboot/src/srmbootfat/srmbootraw.c
new file mode 100644
index 000000000..3bba2d577
--- /dev/null
+++ b/package/aboot/src/srmbootfat/srmbootraw.c
@@ -0,0 +1,101 @@
+/*
+ *  SRMbootraw - SRM boot block composer for raw boot partitions.
+ *  Copyright (C) 1998 Nikita Schmidt  <cetus@snowball.ucd.ie>
+ *
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/types.h>
+
+/* We assume little endiannes and possibly other Alpha properties as well. */
+#ifndef __alpha__
+#error This stuff must be compiled for Alpha.
+#endif
+
+#define BUFSIZE	65536
+
+union bootsector {
+	struct {
+		unsigned char textlabel[64];
+		unsigned char disklabel[276];
+		unsigned char unused[140];
+		u_int64_t count, start, flags;
+		u_int64_t checksum;
+	} srm;
+	struct {
+		u_int64_t contents[63];
+		u_int64_t checksum;
+	} check;
+};
+
+
+int main (int argc, char *argv[])
+{
+	int device, image;
+	int i;
+	union bootsector boot;
+	char *buf;
+	unsigned long size;
+	ssize_t len;
+	u_int64_t checksum;
+
+	if (argc != 3)
+		return printf ("Usage:  srmbootraw <boot device> <boot image>\n"), 1;
+
+	if ((device = open (argv[1], O_RDWR)) < 0)
+		return perror (argv[1]), 2;
+	if ((image = open (argv[2], O_RDONLY)) < 0)
+		return perror (argv[2]), 2;
+
+	/* Read in the old bootsector */
+	if (read (device, &boot, sizeof boot) != sizeof boot)
+		return fprintf (stderr, "Can't read boot sector from %s\n", argv[1]), 2;
+
+	if (!(buf = malloc (BUFSIZE)))
+		return fprintf (stderr, "Can't allocate memory for %s\n", argv[2]), 2;
+
+	/* Copy image onto the device */
+	size = 0;
+	while ((len = read (image, buf, BUFSIZE)) > 0)
+	{
+		if (write (device, buf, len) != len)
+			return fprintf (stderr, "Can't write to %s\n", argv[1]), 2;
+		size += len;
+	}
+	close (image);
+	if (len == -1)
+		return perror (argv[2]), 2;
+
+	/* Fill in the bootstrap information */
+	boot.srm.start = 1;
+	boot.srm.count = (size + 511) / 512;	/* Convert to sectors */
+	boot.srm.flags = 0;
+
+	/* Put the checksum and write the boot sector. */
+	checksum = 0;
+	for (i = 0; i < 63; i++)
+		checksum += boot.check.contents[i];
+	boot.check.checksum = checksum;
+
+	printf ("Writing SRM boot block: starting sector %u, block count %u\n",
+		(unsigned)boot.srm.start, (unsigned)boot.srm.count);
+
+	if (lseek (device, 0, SEEK_SET) == -1
+	 || write (device, &boot, sizeof boot) != sizeof boot)
+		return perror (argv[2]), 2;
+
+	close (device);
+	return 0;
+}
diff --git a/package/aboot/src/srmbootfat/srmbootraw.sgml b/package/aboot/src/srmbootfat/srmbootraw.sgml
new file mode 100644
index 000000000..6490854ce
--- /dev/null
+++ b/package/aboot/src/srmbootfat/srmbootraw.sgml
@@ -0,0 +1,84 @@
+<!DOCTYPE RefEntry PUBLIC "-//OASIS//DTD DocBook V4.1//EN">
+<refentry id="srmbootraw">
+
+<refmeta>
+<refentrytitle>srmbootraw</refentrytitle>
+<manvolnum>8</manvolnum>
+<refmiscinfo>srmbootraw</refmiscinfo>
+</refmeta>
+
+<refnamediv>
+<refname>srmbootraw</refname>
+<refpurpose>
+Linux/Alpha SRM boot block composer
+</refpurpose>
+</refnamediv>
+
+<refsynopsisdiv>
+ <cmdsynopsis>
+   <command>srmbootraw</command> 
+        <arg choice="plain">boot_device</arg>
+        <arg choice="plain">boot_file</arg>
+   </cmdsynopsis>
+</refsynopsisdiv>
+
+<!--  <refsect1><title>COPYRIGHT</title>
+<para>
+</para>
+</refsect1> -->
+
+<refsect1><title>DESCRIPTIONS</title>
+<para>
+<indexterm><primary>srmbootraw</primary></indexterm>
+This tool is a quick hack and is not supposed to exist in its present
+state for long.
+</para>
+
+<para>
+<application>Srmbootraw</application> writes the image from
+<filename>boot_file</filename>
+preceded by the appropriate SRM boot block into the first blocks of
+<filename>boot_device</filename>, preserving the disklabel.
+It is intended to be used when you have a small raw
+partition at the beginning of your hard drive, dedicated for the bootloader.
+If you don't, <filename>srmbootraw</filename>
+will silently render your file system(s) unusable.
+</para>
+</refsect1>
+
+<refsect1><title>ARGUMENTS</title>
+<para>
+<variablelist>
+<varlistentry><term><filename>boot_device</filename></term>
+<listitem><para>
+The device you intend to boot from, e.g. <filename>/dev/sda</filename>.
+It must have enough room
+at the beginning to hold the boot block and the bootloader.
+</para></listitem></varlistentry>
+<varlistentry><term><filename>boot_file</filename></term>
+<listitem><para>
+The file name of the bootloader.
+</para></listitem></varlistentry>
+</variablelist>
+</refsect1>
+
+<!-- <refsect1><title>BUGS</title>
+<para>
+</para>
+</refsect1> -->
+
+<refsect1><title>AUTHOR</title>
+<para>
+Nikita Schmidt <email>cetus@snowball.ucd.ie</email>
+</para>
+</refsect1>
+<refsect1><title>SEE ALSO</title>
+<para>
+<application>aboot</application>(8), 
+<application>mke2fs</application>(8),
+<application>swriteboot</application>(8),
+<application>e2writeboot</application>(8),
+<application>srmbootfat</application>(1)
+</para>
+</refsect1>
+</refentry>