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/*
* This file has been modified for the cdrkit suite.
*
* The behaviour and appearence of the program code below can differ to a major
* extent from the version distributed by the original author(s).
*
* For details, see Changelog file distributed with the cdrkit package. If you
* received this file from another source then ask the distributing person for
* a log of modifications.
*
*/
/*
* Program boot-hppa.c - Handle HPPA boot extensions to iso9660.
*
* Written by Steve McIntyre <steve@einval.com> June 2004.
*
* Heavily inspired by palo:
*
****************************************************************************
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) Hewlett-Packard (Paul Bame) paul_bame@hp.com
*
****************************************************************************
* Copyright 2004 Steve McIntyre
*
* 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, 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.
*/
#include <mconfig.h>
#include "genisoimage.h"
#include <fctldefs.h>
#include <utypes.h>
#include <intcvt.h>
#include "match.h"
#include "diskmbr.h"
#include "bootinfo.h"
#include <schily.h>
#include "endianconv.h"
extern long long alpha_hppa_boot_sector[256];
extern int boot_sector_initialized;
int add_boot_hppa_cmdline(char *cmdline);
int add_boot_hppa_kernel_32(char *filename);
int add_boot_hppa_kernel_64(char *filename);
int add_boot_hppa_bootloader(char *filename);
int add_boot_hppa_ramdisk(char *filename);
static int boot_hppa_write(FILE *outfile);
static char *hppa_cmdline = NULL;
static char *hppa_kernel_32 = NULL;
static char *hppa_kernel_64 = NULL;
static char *hppa_bootloader = NULL;
static char *hppa_ramdisk = NULL;
/* Simple function: store the filename to be used later when we need
to find the boot file */
extern int add_boot_hppa_cmdline(char *cmdline)
{
char *ptr = NULL;
hppa_cmdline = strdup(cmdline);
ptr = hppa_cmdline;
while (*ptr)
{
if (',' == *ptr)
*ptr = ' ';
ptr++;
}
return 0;
}
/* Simple function: store the filename to be used later when we need
to find the boot file */
extern int add_boot_hppa_kernel_32(char *filename)
{
hppa_kernel_32 = filename;
return 0;
}
/* Simple function: store the filename to be used later when we need
to find the boot file */
extern int add_boot_hppa_kernel_64(char *filename)
{
hppa_kernel_64 = filename;
return 0;
}
/* Simple function: store the filename to be used later when we need
to find the boot file */
extern int add_boot_hppa_bootloader(char *filename)
{
hppa_bootloader = filename;
return 0;
}
/* Simple function: store the filename to be used later when we need
to find the boot file */
extern int add_boot_hppa_ramdisk(char *filename)
{
hppa_ramdisk = filename;
return 0;
}
static void exit_fatal(char *type, char *filename)
{
#ifdef USE_LIBSCHILY
comerrno(EX_BAD, "Uh oh, I can't find the %s '%s'!\n",
type, filename);
#else
fprintf(stderr, "Uh oh, I can't find the %s '%s'!\n",
type, filename);
exit(1);
#endif
}
static int boot_hppa_write(FILE *outfile)
{
struct directory_entry *boot_file; /* Boot file we need to search for */
unsigned long length = 0;
unsigned long extent = 0;
unsigned char *boot_sector = (unsigned char *) alpha_hppa_boot_sector;
int i = 0;
if (!boot_sector_initialized) {
memset(alpha_hppa_boot_sector, 0, sizeof(alpha_hppa_boot_sector));
boot_sector_initialized = 1;
}
printf("Address is: %p\n",alpha_hppa_boot_sector);
boot_sector[0] = 0x80; /* magic */
boot_sector[1] = 0x00; /* magic */
boot_sector[2] = 'P';
boot_sector[3] = 'A';
boot_sector[4] = 'L';
boot_sector[5] = 'O';
boot_sector[6] = 0x00;
boot_sector[7] = 0x04; /* version */
/* Find the dir entry for the 32-bit kernel by walking our file list */
boot_file = search_tree_file(root, hppa_kernel_32);
if (!boot_file)
exit_fatal("HPPA 32-bit kernel", hppa_kernel_32);
extent = 2048 * get_733(boot_file->isorec.extent);
length = get_733(boot_file->isorec.size);
fprintf(stderr, "Found hppa 32-bit kernel %s: using extent %lu (0x%lX), size %lu (0x%lX)\n",
hppa_kernel_32, extent, extent, length, length);
write_be32(extent, &boot_sector[8]);
write_be32(length, &boot_sector[12]);
/* Find the dir entry for the ramdisk by walking our file list */
boot_file = search_tree_file(root, hppa_ramdisk);
if (!boot_file)
exit_fatal("HPPA ramdisk", hppa_ramdisk);
extent = 2048 * get_733(boot_file->isorec.extent);
length = get_733(boot_file->isorec.size);
fprintf(stderr, "Found hppa ramdisk %s: using extent %lu (0x%lX), size %lu (0x%lX)\n",
hppa_ramdisk, extent, extent, length, length);
write_be32(extent, &boot_sector[16]);
write_be32(length, &boot_sector[20]);
/* Now the commandline */
snprintf((char *)&boot_sector[24], 127, "%s", hppa_cmdline);
/* Find the dir entry for the 64-bit kernel by walking our file list */
boot_file = search_tree_file(root, hppa_kernel_64);
if (!boot_file)
exit_fatal("HPPA 64-bit kernel", hppa_kernel_64);
extent = 2048 * get_733(boot_file->isorec.extent);
length = get_733(boot_file->isorec.size);
fprintf(stderr, "Found hppa 64-bit kernel %s: using extent %lu (0x%lX), size %lu (0x%lX)\n",
hppa_kernel_64, extent, extent, length, length);
write_be32(extent, &boot_sector[232]);
write_be32(length, &boot_sector[236]);
/* Find the dir entry for the IPL by walking our file list */
boot_file = search_tree_file(root, hppa_bootloader);
if (!boot_file)
exit_fatal("HPPA bootloader", hppa_bootloader);
extent = 2048 * get_733(boot_file->isorec.extent);
length = get_733(boot_file->isorec.size);
fprintf(stderr, "Found hppa bootloader %s: using extent %lu (0x%lX), size %lu (0x%lX)\n",
hppa_bootloader, extent, extent, length, length);
write_be32(extent, &boot_sector[240]);
write_be32(length, &boot_sector[244]);
return 0;
}
struct output_fragment hppaboot_desc = {NULL, NULL, NULL, boot_hppa_write, "hppa boot block"};
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