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Mentioned /ppc/bootinfo.txt in description of CHRP

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Thomas Schmitt 2014-09-27 11:08:59 +02:00
parent c47451d12b
commit 6da58860ec
1 changed files with 6 additions and 1 deletions
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7
doc/boot_sectors.txt
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@ -959,6 +959,7 @@ PReP boots via a MBR partition containing only raw ELF and having type 0x41.
Sources: Sources:
Mail conversations with Vladimir Serbinenko. Mail conversations with Vladimir Serbinenko.
http://stuff.mit.edu/afs/sipb/contrib/doc/specs/protocol/chrp/chrp1_7a.pdf http://stuff.mit.edu/afs/sipb/contrib/doc/specs/protocol/chrp/chrp1_7a.pdf
https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/W51a7ffcf4dfd_4b40_9d82_446ebc23c550/page/PowerLinux%20Boot%20howto
CHRP is marked by an MBR partition entry of type 0x96 spanning the whole CHRP is marked by an MBR partition entry of type 0x96 spanning the whole
ISO 9660 image. ISO 9660 image.
@ -966,12 +967,16 @@ ISO 9660 image.
The specs in chrp1_7a.pdf promise that CHRP also recognizes ISO 9660 file The specs in chrp1_7a.pdf promise that CHRP also recognizes ISO 9660 file
systems on unpartitioned disks. (See 11.1.1. Media Layout Format) systems on unpartitioned disks. (See 11.1.1. Media Layout Format)
The firmware looks up a file /ppc/bootinfo.txt which in SGML-ish tag
<boot-script> contains firmware commands.
E.g. to execute the binary /boot/grub/powerpc.elf as first stage of GRUB2:
<boot-script>boot &device;:\boot\grub\powerpc.elf</boot-script>
Vladimir Serbinenko stated: Vladimir Serbinenko stated:
PReP boot may be preferable. At least it can co-exist with other partitions PReP boot may be preferable. At least it can co-exist with other partitions
in the ISO image [without causing overlapping between partitions]. in the ISO image [without causing overlapping between partitions].
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HP-PA via PALO header version 4 HP-PA via PALO header version 4