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-rw-r--r--genisoimage/boot-hppa.c207
1 files changed, 207 insertions, 0 deletions
diff --git a/genisoimage/boot-hppa.c b/genisoimage/boot-hppa.c
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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"};
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-28 23:32:14 +0000