add-efi-boot

Gbp-Pq: Name add-efi-boot.patch

genisoimage/eltorito.c

@@ -59,7 +59,7 @@ static	void	get_torito_desc(struct eltorito_boot_descriptor *boot_desc);
 static	void	fill_boot_desc(struct eltorito_defaultboot_entry *boot_desc_entry,
 										struct eltorito_boot_entry_info *boot_entry);
 void	get_boot_entry(void);
-void	new_boot_entry(void);
+void	new_boot_entry();
 static	int	tvd_write(FILE *outfile);
 
 
@@ -283,6 +283,7 @@ get_torito_desc(struct eltorito_boot_descriptor *boot_desc)
 	int			i;
 	int			offset;
 	struct eltorito_defaultboot_entry boot_desc_record;
+	struct eltorito_sectionheader_entry section_header;
 
 	memset(boot_desc, 0, sizeof (*boot_desc));
 	boot_desc->type[0] = 0;
@@ -317,7 +318,7 @@ get_torito_desc(struct eltorito_boot_descriptor *boot_desc)
 	 */
 	memset(&valid_desc, 0, sizeof (valid_desc));
 	valid_desc.headerid[0] = 1;
-	valid_desc.arch[0] = EL_TORITO_ARCH_x86;
+	valid_desc.arch[0] = first_boot_entry->arch;
 
 	/*
 	 * we'll shove start of publisher id into id field,
@@ -347,10 +348,53 @@ get_torito_desc(struct eltorito_boot_descriptor *boot_desc)
 	/* now write it to the virtual boot catalog */
 	memcpy(de2->table, &valid_desc, 32);
 
-	for (current_boot_entry = first_boot_entry, offset = sizeof (valid_desc);
-		current_boot_entry != NULL;
-		current_boot_entry = current_boot_entry->next,
-		offset += sizeof (boot_desc_record)) {
+	/* Fill the first entry, since it's special and already has the
+	 * matching header via the validation header... */
+	offset = sizeof (valid_desc);
+	current_boot_entry = first_boot_entry;
+
+	if (offset >= SECTOR_SIZE) {
+#ifdef	USE_LIBSCHILY
+		comerrno(EX_BAD, "Too many El Torito boot entries\n");
+#else
+		fprintf(stderr,	"Too many El Torito boot entries\n");
+		exit(1);
+#endif
+	}
+	fill_boot_desc(&boot_desc_record, current_boot_entry);
+	memcpy(de2->table + offset, &boot_desc_record,
+				sizeof (boot_desc_record));
+
+	offset += sizeof(boot_desc_record);
+
+	for (current_boot_entry = current_boot_entry->next;
+			current_boot_entry != NULL;
+			current_boot_entry = current_boot_entry->next) {
+		struct eltorito_sectionheader_entry section_header;
+
+		if (offset >= SECTOR_SIZE) {
+#ifdef	USE_LIBSCHILY
+			comerrno(EX_BAD,
+			"Too many El Torito boot entries\n");
+#else
+			fprintf(stderr,
+			"Too many El Torito boot entries\n");
+			exit(1);
+#endif
+		}
+
+		memset(&section_header, '\0', sizeof(section_header));
+		if (current_boot_entry->next)
+			section_header.headerid[0] = EL_TORITO_SECTION_HEADER;
+		else
+			section_header.headerid[0] = EL_TORITO_LAST_SECTION_HEADER;
+
+		section_header.arch[0] = current_boot_entry->arch;
+		set_721(section_header.num_entries, 1);
+
+		memcpy(de2->table + offset, &section_header,
+					sizeof(section_header));
+		offset += sizeof(section_header);
 
 		if (offset >= SECTOR_SIZE) {
 #ifdef	USE_LIBSCHILY
@@ -365,6 +409,8 @@ get_torito_desc(struct eltorito_boot_descriptor *boot_desc)
 		fill_boot_desc(&boot_desc_record, current_boot_entry);
 		memcpy(de2->table + offset, &boot_desc_record,
 					sizeof (boot_desc_record));
+		offset += sizeof (boot_desc_record);
+
 	}
 }/* get_torito_desc(... */
 

genisoimage/genisoimage.c

@@ -47,6 +47,7 @@
 
 #include <mconfig.h>
 #include "genisoimage.h"
+#include "iso9660.h"
 #include <errno.h>
 #include <timedefs.h>
 #include <fctldefs.h>
@@ -526,6 +527,8 @@ static const struct ld_option ld_options[] =
 	'\0', NULL, "Set debug flag", ONE_DASH},
 	{{"eltorito-boot", required_argument, NULL, 'b'},
 	'b', "FILE", "Set El Torito boot image name", ONE_DASH},
+	{{"efi-boot", required_argument, NULL, 'e'},
+	'e', "FILE", "Set EFI boot image name", ONE_DASH},
 	{{"eltorito-alt-boot", no_argument, NULL, OPTION_ALT_BOOT},
 	'\0', NULL, "Start specifying alternative El Torito boot parameters", ONE_DASH},
 	{{"sparc-boot", required_argument, NULL, 'B'},
@@ -1535,6 +1538,7 @@ int main(int argc, char *argv[])
 			all_files = 0;
 			break;
 		case 'b':
+		case 'e':
 			do_sort++;		/* We sort bootcat/botimage */
 			use_eltorito++;
 			boot_image = optarg;	/* pathname of the boot image */
@@ -1550,6 +1554,10 @@ int main(int argc, char *argv[])
 #endif
 			}
 			get_boot_entry();
+			if (c == 'e')
+				current_boot_entry->arch = EL_TORITO_ARCH_EFI;
+			else
+				current_boot_entry->arch = EL_TORITO_ARCH_x86;
 			current_boot_entry->boot_image = boot_image;
 			break;
 		case OPTION_ALT_BOOT:

genisoimage/genisoimage.h

@@ -293,6 +293,7 @@ struct deferred_write {
 struct eltorito_boot_entry_info {
 	struct eltorito_boot_entry_info *next;
 	char		*boot_image;
+	char		arch;
 	int		not_bootable;
 	int		no_emul_boot;
 	int		hard_disk_boot;

genisoimage/iso9660.h

@@ -62,10 +62,14 @@ struct iso_volume_descriptor {
 #define	EL_TORITO_ARCH_x86	0
 #define	EL_TORITO_ARCH_PPC	1
 #define	EL_TORITO_ARCH_MAC	2
+#define	EL_TORITO_ARCH_EFI	0xef
 
 #define	EL_TORITO_BOOTABLE	0x88
 #define	EL_TORITO_NOT_BOOTABLE	0
 
+#define	EL_TORITO_SECTION_HEADER	0x90
+#define	EL_TORITO_LAST_SECTION_HEADER	0x91
+
 #define	EL_TORITO_MEDIA_NOEMUL	0
 #define	EL_TORITO_MEDIA_12FLOP	1
 #define	EL_TORITO_MEDIA_144FLOP	2
@@ -173,7 +177,7 @@ struct eltorito_validation_entry {
 struct eltorito_defaultboot_entry {
 	char boot_id			[ISODCL(1,    1)]; /* 711 */
 	char boot_media			[ISODCL(2,    2)];
-	char loadseg			[ISODCL(3,    4)]; /* 711 */
+	char loadseg			[ISODCL(3,    4)]; /* 712 */
 	char sys_type			[ISODCL(5,    5)];
 	char pad1			[ISODCL(6,    6)];
 	char nsect			[ISODCL(7,    8)];
@@ -181,6 +185,14 @@ struct eltorito_defaultboot_entry {
 	char pad2			[ISODCL(13,  32)];
 };
 
+/* El Torito Section Header Entry in boot catalog */
+struct eltorito_sectionheader_entry {
+	char headerid			[ISODCL(1,    1)]; /* 711 */
+	char arch			[ISODCL(2,    2)];
+	char num_entries		[ISODCL(3,    4)]; /* 711 */
+	char id				[ISODCL(5,   32)];
+};
+
 /*
  * XXX JS: The next two structures have odd lengths!
  * Some compilers (e.g. on Sun3/mc68020) padd the structures to even length.