From 6da58860ec1e04cfbe7d032e054d9396e0b63fd7 Mon Sep 17 00:00:00 2001 From: Thomas Schmitt Date: Sat, 27 Sep 2014 11:08:59 +0200 Subject: [PATCH] Mentioned /ppc/bootinfo.txt in description of CHRP --- doc/boot_sectors.txt | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/doc/boot_sectors.txt b/doc/boot_sectors.txt index 26106fa..d8882c8 100644 --- a/doc/boot_sectors.txt +++ b/doc/boot_sectors.txt @@ -959,6 +959,7 @@ PReP boots via a MBR partition containing only raw ELF and having type 0x41. Sources: Mail conversations with Vladimir Serbinenko. 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 ISO 9660 image. @@ -966,12 +967,16 @@ ISO 9660 image. 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) +The firmware looks up a file /ppc/bootinfo.txt which in SGML-ish tag + contains firmware commands. +E.g. to execute the binary /boot/grub/powerpc.elf as first stage of GRUB2: + boot &device;:\boot\grub\powerpc.elf + Vladimir Serbinenko stated: PReP boot may be preferable. At least it can co-exist with other partitions in the ISO image [without causing overlapping between partitions]. - ------------------------------------------------------------------------------ HP-PA via PALO header version 4