From 23d0d8e90a9f89d99d6651341db36803bff5f079 Mon Sep 17 00:00:00 2001 From: Thomas Schmitt Date: Tue, 25 May 2021 21:22:43 +0200 Subject: [PATCH] New -as mkisofs options --gpt-iso-bootable and --gpt-iso-not-ro --- xorriso/emulators.c | 11 +++ xorriso/xorriso_timestamp.h | 2 +- xorriso/xorrisofs.1 | 13 +++- xorriso/xorrisofs.info | 149 ++++++++++++++++++++---------------- xorriso/xorrisofs.texi | 17 +++- 5 files changed, 123 insertions(+), 69 deletions(-) diff --git a/xorriso/emulators.c b/xorriso/emulators.c index 9749b879..701f7f51 100644 --- a/xorriso/emulators.c +++ b/xorriso/emulators.c @@ -636,6 +636,7 @@ int Xorriso_genisofs_count_args(struct XorrisO *xorriso, int argc, char **argv, "-isohybrid-gpt-basdat", "-isohybrid-gpt-hfsplus", "-isohybrid-apm-hfsplus", "--grub2-boot-info", "-joliet-utf16", "-appended_part_as_gpt", "-appended_part_as_apm", "--mbr-force-bootable", + "--gpt-iso-bootable", "--gpt-iso-not-ro", "-part_like_isohybrid", "--zisofs-version-2", "--zisofs2-susp-z2", "--zisofs2-susp-zf", "" @@ -906,6 +907,8 @@ int Xorriso_genisofs_help(struct XorrisO *xorriso, int flag) " --embedded-boot FILE Alias of -G", " --protective-msdos-label Patch System Area by partition table", " --mbr-force-bootable Enforce existence of bootable flag in MBR", +" --gpt-iso-bootable Set Legacy BIOS bootable flag in ISO partition", +" --gpt-iso-not-ro Do not set Read-only flag in ISO partition", " -partition_offset LBA Make image mountable by first partition, too", " -partition_sec_hd NUMBER Define number of sectors per head", " -partition_hd_cyl NUMBER Define number of heads per cylinder", @@ -1960,6 +1963,8 @@ not_enough_args:; strcmp(argpt, "-eltorito-alt-boot")==0 || strcmp(argpt, "--protective-msdos-label")==0 || strcmp(argpt, "--mbr-force-bootable")==0 || + strcmp(argpt, "--gpt-iso-bootable")==0 || + strcmp(argpt, "--gpt-iso-not-ro")==0 || strcmp(argpt, "--boot-catalog-hide")==0 || strcmp(argpt, "-isohybrid-gpt-basdat")==0 || strcmp(argpt, "-isohybrid-gpt-hfsplus")==0 || @@ -2653,6 +2658,12 @@ problem_handler_2:; } else if(strcmp(argpt, "--mbr-force-bootable") == 0) { xorriso->system_area_options= xorriso->system_area_options | (1 << 15); + } else if(strcmp(argpt, "--gpt-iso-bootable") == 0) { + xorriso->system_area_options= xorriso->system_area_options | (1 << 16); + + } else if(strcmp(argpt, "--gpt-iso-not-ro") == 0) { + xorriso->system_area_options= xorriso->system_area_options | (1 << 17); + } else if(strcmp(argpt, "--boot-catalog-hide")==0) { xorriso->boot_image_cat_hidden|= 3; } else if(strcmp(argpt, "-partition_offset") == 0 || diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h index 33343f87..32df3909 100644 --- a/xorriso/xorriso_timestamp.h +++ b/xorriso/xorriso_timestamp.h @@ -1 +1 @@ -#define Xorriso_timestamP "2021.05.25.191826" +#define Xorriso_timestamP "2021.05.25.192155" diff --git a/xorriso/xorrisofs.1 b/xorriso/xorrisofs.1 index 816206df..dfce3fdd 100644 --- a/xorriso/xorrisofs.1 +++ b/xorriso/xorrisofs.1 @@ -9,7 +9,7 @@ .\" First parameter, NAME, should be all caps .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection .\" other parameters are allowed: see man(7), man(1) -.TH XORRISOFS 1 "Version 1.5.5, Jan 30, 2021" +.TH XORRISOFS 1 "Version 1.5.5, May 25, 2021" .\" Please adjust this date whenever revising the manpage. .\" .\" Some roff macros, for reference: @@ -1309,6 +1309,17 @@ If no bootable MBR is indicated by other options and a partition gets created by \-append_partition, then \-\-mbr\-force\-bootable causes a bootflag like it would do with e.g. \-\-protective\-msdos\-label. .TP +\fB--gpt-iso-bootable\fR +Set bit 2 of the GPT partition flags for the ISO 9660 partition if such a GPT +partition emerges. This bit is specified as "Legacy BIOS bootable" but its +true significance is unclear. +Some GPT\-aware BIOS might want to see it in some partition. +.TP +\fB--gpt-iso-not-ro\fR +Do not set bit 60 of the GPT partition flags for the ISO 9660 partition if such +a GPT partition emerges. This bit is specified as "Read\-only" and thus +appropriate. But it is unusual in GPT disk partitions. +.TP \fB\-partition_offset\fR 2kb_block_adr Cause a partition table with a single partition that begins at the given block address. This is counted in 2048 byte diff --git a/xorriso/xorrisofs.info b/xorriso/xorrisofs.info index 43daf3eb..b41b421d 100644 --- a/xorriso/xorrisofs.info +++ b/xorriso/xorrisofs.info @@ -1144,6 +1144,16 @@ Examples: If no bootable MBR is indicated by other options and a partition gets created by -append_partition, then --mbr-force-bootable causes a bootflag like it would do with e.g. --protective-msdos-label. +--gpt-iso-bootable + Set bit 2 of the GPT partition flags for the ISO 9660 partition if + such a GPT partition emerges. This bit is specified as "Legacy + BIOS bootable" but its true significance is unclear. Some + GPT-aware BIOS might want to see it in some partition. +--gpt-iso-not-ro + Do not set bit 60 of the GPT partition flags for the ISO 9660 + partition if such a GPT partition emerges. This bit is specified + as "Read-only" and thus appropriate. But it is unusual in GPT disk + partitions. -partition_offset 2kb_block_adr Cause a partition table with a single partition that begins at the given block address. This is counted in 2048 byte blocks, not in @@ -2002,10 +2012,13 @@ File: xorrisofs.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T * --embedded-boot Fill System Area e.g. by MBR: SystemArea. (line 79) * --emul-toc enable table-of-content emulation: SetProduct. (line 33) * --for_backup Enable backup fidelity: SetExtras. (line 92) -* --gpt_disk_guid GPT GUID: SystemArea. (line 250) +* --gpt-iso-bootable Set Legacy BIOS bootable flag: SystemArea. + (line 159) +* --gpt-iso-not-ro Do not set Read-only flag: SystemArea. (line 164) +* --gpt_disk_guid GPT GUID: SystemArea. (line 260) * --grub2-boot-info Patch El Torito boot image: Bootable. (line 109) * --grub2-mbr Install modern GRUB2 MBR: SystemArea. (line 81) -* --grub2-sparc-core SUN SPARC core file: SystemArea. (line 305) +* --grub2-sparc-core SUN SPARC core file: SystemArea. (line 315) * --hardlinks Recording of hardlink relations: SetExtras. (line 130) * --mbr-force-bootable Enforce MBR bootable/active flag: SystemArea. (line 148) @@ -2045,16 +2058,16 @@ File: xorrisofs.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T * -A set Application Id: ImageId. (line 34) * -abstract set Abstract File path: ImageId. (line 57) * -allow-lowercase lowercase in ISO file names: SetCompl. (line 42) -* -alpha-boot DEC Alpha SRM bootloader: SystemArea. (line 328) +* -alpha-boot DEC Alpha SRM bootloader: SystemArea. (line 338) * -appended_part_as_apm Appended partitions in APM: SystemArea. - (line 234) + (line 244) * -appended_part_as_gpt Appended partitions in GPT: SystemArea. - (line 228) + (line 238) * -append_partition Append MBR or GPT partition after image: SystemArea. - (line 198) + (line 208) * -appid set Application Id: ImageId. (line 41) * -b El Torito PC-BIOS boot image: Bootable. (line 38) -* -B SUN SPARC boot images: SystemArea. (line 290) +* -B SUN SPARC boot images: SystemArea. (line 300) * -biblio set Biblio File path: ImageId. (line 62) * -boot-info-table Patch El Torito boot image: Bootable. (line 104) * -boot-load-size El Torito boot image load size: Bootable. (line 72) @@ -2066,8 +2079,8 @@ File: xorrisofs.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T * -checksum_algorithm_iso choose .jigdo checksums: Jigdo. (line 86) * -checksum_algorithm_template choose .template checksums: Jigdo. (line 92) -* -chrp-boot CHRP partition: SystemArea. (line 272) -* -chrp-boot-part CHRP partition: SystemArea. (line 263) +* -chrp-boot CHRP partition: SystemArea. (line 282) +* -chrp-boot-part CHRP partition: SystemArea. (line 273) * -copyright set Copyright File path: ImageId. (line 66) * -D allow deep directory hierarchies: SetExtras. (line 60) * -d omit trailing dot in ISO file names: SetCompl. (line 50) @@ -2078,7 +2091,7 @@ File: xorrisofs.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T * -disallow_dir_id_ext enforce ISO level 1 directory names: SetCompl. (line 23) * -e El Torito EFI boot image: Bootable. (line 53) -* -efi-boot-part EFI boot partition: SystemArea. (line 240) +* -efi-boot-part EFI boot partition: SystemArea. (line 250) * -eltorito-alt-boot begin next boot catalog entry: Bootable. (line 47) * -eltorito-boot El Torito PC-BIOS boot image: Bootable. (line 45) * -eltorito-catalog El Torito boot catalog name: Bootable. (line 119) @@ -2124,12 +2137,12 @@ File: xorrisofs.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T (line 15) * -hide-rr-moved set deep directory relocation target: SetExtras. (line 90) -* -hppa-bootloader HP-PA bootloader file: SystemArea. (line 317) -* -hppa-cmdline HP-PA PALO command line: SystemArea. (line 311) -* -hppa-hdrversion HP-PA PALO header version: SystemArea. (line 325) -* -hppa-kernel_32 HP-PA kernel_32 file: SystemArea. (line 319) -* -hppa-kernel_64 HP-PA kernel_64 file: SystemArea. (line 321) -* -hppa-ramdisk HP-PA ramdisk file: SystemArea. (line 323) +* -hppa-bootloader HP-PA bootloader file: SystemArea. (line 327) +* -hppa-cmdline HP-PA PALO command line: SystemArea. (line 321) +* -hppa-hdrversion HP-PA PALO header version: SystemArea. (line 335) +* -hppa-kernel_32 HP-PA kernel_32 file: SystemArea. (line 329) +* -hppa-kernel_64 HP-PA kernel_64 file: SystemArea. (line 331) +* -hppa-ramdisk HP-PA ramdisk file: SystemArea. (line 333) * -input-charset set character set of disk file names: Charset. (line 17) * -iso-level define ISO 9660 limitations: SetCompl. (line 7) @@ -2166,8 +2179,8 @@ File: xorrisofs.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T * -max-iso9660-filenames allow 37 characters in ISO file names: SetCompl. (line 61) * -md5-list set path of input checksum file: Jigdo. (line 81) -* -mips-boot MIPS Big Endian boot image: SystemArea. (line 279) -* -mipsel-boot MIPS Little Endian boot image: SystemArea. (line 285) +* -mips-boot MIPS Big Endian boot image: SystemArea. (line 289) +* -mipsel-boot MIPS Little Endian boot image: SystemArea. (line 295) * -N omit version number in ISO file names: SetCompl. (line 64) * -no-emul-boot El Torito boot image emulation: Bootable. (line 86) * -no-pad do not add zeros to ISO tree: SetProduct. (line 101) @@ -2183,15 +2196,15 @@ File: xorrisofs.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T * -p set Preparer Id: ImageId. (line 47) * -P set Publisher Id: ImageId. (line 28) * -pad add 300 KiB of zeros to ISO tree: SetProduct. (line 94) -* -partition_cyl_align Image size alignment: SystemArea. (line 187) -* -partition_hd_cyl MBR heads per cylinder: SystemArea. (line 170) +* -partition_cyl_align Image size alignment: SystemArea. (line 197) +* -partition_hd_cyl MBR heads per cylinder: SystemArea. (line 180) * -partition_offset Make mountable by partition 1: SystemArea. - (line 159) -* -partition_sec_hd MBR sectors per head: SystemArea. (line 173) + (line 169) +* -partition_sec_hd MBR sectors per head: SystemArea. (line 183) * -part_like_isohybrid Mark partitions like with isohybrid: SystemArea. (line 122) * -path-list read pathspecs from disk file: SetInsert. (line 8) -* -prep-boot-part PReP partition: SystemArea. (line 274) +* -prep-boot-part PReP partition: SystemArea. (line 284) * -preparer set Preparer Id: ImageId. (line 55) * -prev-session set path for loading existing ISO image: Loading. (line 21) @@ -2208,8 +2221,8 @@ File: xorrisofs.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal, Up: T * -root redirect ISO root directory: SetInsert. (line 75) * -rr_reloc_dir set deep directory relocation target: SetExtras. (line 74) -* -sparc-boot SUN SPARC boot images: SystemArea. (line 301) -* -sparc-label SUN Disk Label text: SystemArea. (line 303) +* -sparc-boot SUN SPARC boot images: SystemArea. (line 311) +* -sparc-label SUN Disk Label text: SystemArea. (line 313) * -sysid set System Id: ImageId. (line 43) * -transparent-compression enable recognition of zisofs files: SetInsert. (line 53) @@ -2239,7 +2252,7 @@ File: xorrisofs.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * Abstract File, set path, -abstract: ImageId. (line 57) * ACL, record and load, --acl: SetExtras. (line 103) * APM, mark appended partitions, -appended_part_as_apm: SystemArea. - (line 234) + (line 244) * APM, _definition: SystemArea. (line 16) * Application Id, set, -A, -appid: ImageId. (line 34) * Backup, enable fidelity, --for_backup: SetExtras. (line 92) @@ -2264,30 +2277,34 @@ File: xorrisofs.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top (line 104) * Bootability, bootable MBR partition, --mbr-force-bootable: SystemArea. (line 148) -* Bootability, control, --grub2-sparc-core: SystemArea. (line 305) +* Bootability, control, --grub2-sparc-core: SystemArea. (line 315) * Bootability, control, --efi-boot: Bootable. (line 59) -* Bootability, control, -alpha-boot: SystemArea. (line 328) +* Bootability, control, -alpha-boot: SystemArea. (line 338) * Bootability, control, -b, -eltorito-boot: Bootable. (line 38) -* Bootability, control, -B, -sparc-boot: SystemArea. (line 290) +* Bootability, control, -B, -sparc-boot: SystemArea. (line 300) * Bootability, control, -e: Bootable. (line 53) * Bootability, control, -eltorito-platform: Bootable. (line 63) -* Bootability, control, -hppa-bootloader: SystemArea. (line 317) -* Bootability, control, -hppa-cmdline: SystemArea. (line 311) -* Bootability, control, -hppa-hdrversion: SystemArea. (line 325) -* Bootability, control, -hppa-kernel_32: SystemArea. (line 319) -* Bootability, control, -hppa-kernel_64: SystemArea. (line 321) -* Bootability, control, -hppa-ramdisk: SystemArea. (line 323) -* Bootability, control, -mips-boot: SystemArea. (line 279) -* Bootability, control, -mipsel-boot: SystemArea. (line 285) +* Bootability, control, -hppa-bootloader: SystemArea. (line 327) +* Bootability, control, -hppa-cmdline: SystemArea. (line 321) +* Bootability, control, -hppa-hdrversion: SystemArea. (line 335) +* Bootability, control, -hppa-kernel_32: SystemArea. (line 329) +* Bootability, control, -hppa-kernel_64: SystemArea. (line 331) +* Bootability, control, -hppa-ramdisk: SystemArea. (line 333) +* Bootability, control, -mips-boot: SystemArea. (line 289) +* Bootability, control, -mipsel-boot: SystemArea. (line 295) * Bootability, El Torito section id string, -eltorito-id: Bootable. (line 93) * Bootability, El Torito selection criteria, -eltorito-selcrit: Bootable. (line 100) * Bootability, fill System Area e.g. by MBR, -G, --embedded-boot, -generic-boot: SystemArea. (line 68) -* Bootability, for CHRP, -chrp-boot-part: SystemArea. (line 263) -* Bootability, for EFI, -efi-boot-part: SystemArea. (line 240) -* Bootability, for PReP, -prep-boot-part: SystemArea. (line 274) +* Bootability, for CHRP, -chrp-boot-part: SystemArea. (line 273) +* Bootability, for EFI, -efi-boot-part: SystemArea. (line 250) +* Bootability, for PReP, -prep-boot-part: SystemArea. (line 284) +* Bootability, GPT Legacy BIOS bootable, --gpt-iso-bootable: SystemArea. + (line 159) +* Bootability, GPT Read-only flag, --gpt-iso-not-ro: SystemArea. + (line 164) * Bootability, install ISOLINUX isohybrid MBR, -isohybrid-mbr: SystemArea. (line 87) * Bootability, install modern GRUB2 MBR, --grub2-mbr: SystemArea. @@ -2305,7 +2322,7 @@ File: xorrisofs.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top (line 122) * Bootability, patch System Area partition table, --protective-msdos-label: SystemArea. (line 143) -* Bootability, SUN Disk Label text, -sparc-label: SystemArea. (line 303) +* Bootability, SUN Disk Label text, -sparc-label: SystemArea. (line 313) * Bootability, type of ISO MBR partition, -iso_mbr_part_type: SystemArea. (line 129) * Bugs, reporting: Bugreport. (line 6) @@ -2324,7 +2341,7 @@ File: xorrisofs.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * Disk files, exclude, -hide-list: SetInsert. (line 44) * Disk files, exclude, -m, -exclude, -x, -old-exclude: SetInsert. (line 31) -* Disk GUID, for GPT, --gpt_disk_guid: SystemArea. (line 250) +* Disk GUID, for GPT, --gpt_disk_guid: SystemArea. (line 260) * disk_path, _definition: Insert. (line 7) * ECMA-119, _definition: Standards. (line 6) * El Torito, _definition: Bootable. (line 13) @@ -2333,7 +2350,7 @@ File: xorrisofs.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * File timestamps, set all, --set_all_file_dates: SetExtras. (line 35) * Forced output, control, --stdio_sync: SetProduct. (line 23) * GPT, mark appended partitions, -appended_part_as_gpt: SystemArea. - (line 228) + (line 238) * GPT, _definition: SystemArea. (line 13) * Group, for all files, -gid: SetProduct. (line 83) * HFS+, enables production: SetExtras. (line 164) @@ -2351,7 +2368,7 @@ File: xorrisofs.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * Hiding, from ISO and Rock Ridge, -hide-list: SetHide. (line 15) * Hiding, from Joliet, -hide-joliet: SetHide. (line 18) * Hiding, from Joliet, -hide-joliet-list: SetHide. (line 22) -* Image size, alignment, -partition_cyl_align: SystemArea. (line 187) +* Image size, alignment, -partition_cyl_align: SystemArea. (line 197) * Incremental insertion, disable disk ino, --old-root-no-ino: SetInsert. (line 93) * Incremental insertion, disable MD5, --old-root-no-md5: SetInsert. @@ -2409,16 +2426,16 @@ File: xorrisofs.info, Node: ConceptIdx, Prev: CommandIdx, Up: Top * Joliet, _definition: Standards. (line 21) * Links, follow on disk, -f, -follow-links: SetInsert. (line 22) * Links, record and load hard links, --hardlinks: SetExtras. (line 130) -* MBR, GPT, append partition, -append_partition: SystemArea. (line 198) -* MBR, sectors per head, -partition_sec_hd: SystemArea. (line 170) -* MBR, sectors per head, -partition_sec_hd <1>: SystemArea. (line 173) +* MBR, GPT, append partition, -append_partition: SystemArea. (line 208) +* MBR, sectors per head, -partition_sec_hd: SystemArea. (line 180) +* MBR, sectors per head, -partition_sec_hd <1>: SystemArea. (line 183) * MBR, _definition: SystemArea. (line 9) * MD5, record and load, --md5: SetExtras. (line 122) * Message output, increase frequency, -gui: Miscellaneous. (line 29) * Message output, redirect stderr, -log-file: Miscellaneous. (line 33) * Message output, suppress, -quiet: Miscellaneous. (line 25) * Mountability, by non-trivial partition 1, -partition_offset: SystemArea. - (line 159) + (line 169) * Options, list, -help: Miscellaneous. (line 21) * Output file, set address, -o, -output: SetProduct. (line 8) * Ownership, for all files, -uid: SetProduct. (line 79) @@ -2484,23 +2501,23 @@ Node: SetHide34672 Node: ImageId35976 Node: Bootable40258 Node: SystemArea46544 -Node: Charset65074 -Node: Jigdo66099 -Node: Miscellaneous71069 -Node: Examples72714 -Node: ExSimple73208 -Node: ExGraft73691 -Node: ExMkisofs74991 -Node: ExGrowisofs76799 -Node: ExIncBackup77989 -Node: ExIncBckAcc81165 -Node: ExBootable82870 -Node: Files87052 -Node: Environ88147 -Node: Seealso89020 -Node: Bugreport89671 -Node: Legal90264 -Node: CommandIdx91161 -Node: ConceptIdx107943 +Node: Charset65603 +Node: Jigdo66628 +Node: Miscellaneous71598 +Node: Examples73243 +Node: ExSimple73737 +Node: ExGraft74220 +Node: ExMkisofs75520 +Node: ExGrowisofs77328 +Node: ExIncBackup78518 +Node: ExIncBckAcc81694 +Node: ExBootable83399 +Node: Files87581 +Node: Environ88676 +Node: Seealso89549 +Node: Bugreport90200 +Node: Legal90793 +Node: CommandIdx91690 +Node: ConceptIdx108682  End Tag Table diff --git a/xorriso/xorrisofs.texi b/xorriso/xorrisofs.texi index 15417c4c..3dae7d99 100644 --- a/xorriso/xorrisofs.texi +++ b/xorriso/xorrisofs.texi @@ -50,7 +50,7 @@ @c man .\" First parameter, NAME, should be all caps @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection @c man .\" other parameters are allowed: see man(7), man(1) -@c man .TH XORRISOFS 1 "Version 1.5.5, Jan 30, 2021" +@c man .TH XORRISOFS 1 "Version 1.5.5, May 25, 2021" @c man .\" Please adjust this date whenever revising the manpage. @c man .\" @c man .\" Some roff macros, for reference: @@ -1725,6 +1725,21 @@ If no bootable MBR is indicated by other options and a partition gets created by -append_partition, then @minus{}@minus{}mbr-force-bootable causes a bootflag like it would do with e.g. @minus{}@minus{}protective-msdos-label. @c man .TP +@item @minus{}@minus{}gpt-iso-bootable +@kindex @minus{}@minus{}gpt-iso-bootable Set Legacy BIOS bootable flag +@cindex Bootability, GPT Legacy BIOS bootable, @minus{}@minus{}gpt-iso-bootable +Set bit 2 of the GPT partition flags for the ISO 9660 partition if such a GPT +partition emerges. This bit is specified as "Legacy BIOS bootable" but its +true significance is unclear. +Some GPT-aware BIOS might want to see it in some partition. +@c man .TP +@item @minus{}@minus{}gpt-iso-not-ro +@kindex @minus{}@minus{}gpt-iso-not-ro Do not set Read-only flag +@cindex Bootability, GPT Read-only flag, @minus{}@minus{}gpt-iso-not-ro +Do not set bit 60 of the GPT partition flags for the ISO 9660 partition if such +a GPT partition emerges. This bit is specified as "Read-only" and thus +appropriate. But it is unusual in GPT disk partitions. +@c man .TP @item -partition_offset 2kb_block_adr @kindex -partition_offset Make mountable by partition 1 @cindex Mountability, by non-trivial partition 1, -partition_offset