From 2a2fbadf4f7c2195b6249aa9fd989994b347fd91 Mon Sep 17 00:00:00 2001
From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Thu, 12 May 2011 15:03:17 +0000
Subject: [PATCH] Add (somewhat speculative) bootable CD support for
 PAPR/pSeries-type systems. In principle, FreeBSD should run on at least some
 of these already, and support for the remainder will hopefully show up
 eventually, so add this while I'm thinking about it.

---
 release/powerpc/mkisoimages.sh | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/release/powerpc/mkisoimages.sh b/release/powerpc/mkisoimages.sh
index 5c4b0df391f2..64e616561d34 100644
--- a/release/powerpc/mkisoimages.sh
+++ b/release/powerpc/mkisoimages.sh
@@ -24,6 +24,7 @@
 # into base-bits-dir as part of making the image.
 
 if [ "x$1" = "x-b" ]; then
+	# Apple boot code
 	uudecode -o /tmp/hfs-boot-block.bz2 `dirname $0`/hfs-boot.bz2.uu
 	bzip2 -d /tmp/hfs-boot-block.bz2
 	OFFSET=$(hd /tmp/hfs-boot-block | grep 'Loader START' | cut -f 1 -d ' ')
@@ -31,6 +32,19 @@ if [ "x$1" = "x-b" ]; then
 	dd if=$4/boot/loader of=/tmp/hfs-boot-block seek=$OFFSET conv=notrunc
 
 	bootable="-o bootimage=macppc;/tmp/hfs-boot-block -o no-emul-boot"
+
+	# pSeries/PAPR boot code
+	mkdir $4/ppc
+	cat > $4/ppc/bootinfo.txt << EOF
+<CHRP-BOOT>
+<DESCRIPTION>FreeBSD/powerpc</DESCRIPTION>
+<OS-NAME>FreeBSD</OS-NAME>
+<BOOT-SCRIPT>
+boot &device;:&partition;,\boot\loader &device;:0
+</BOOT-SCRIPT>
+</CHRP-BOOT>
+EOF
+
 	shift
 else
 	bootable=""
@@ -48,3 +62,5 @@ echo "/dev/iso9660/`echo $LABEL | tr '[:lower:]' '[:upper:]'` / cd9660 ro 0 0" >
 makefs -t cd9660 $bootable -o rockridge -o label=$LABEL $NAME $*
 rm $1/etc/fstab
 rm /tmp/hfs-boot-block
+rm -rf $1/ppc
+