From 9fb36b5eaeb584c7060ba97980ca8068bbc61514 Mon Sep 17 00:00:00 2001
From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Mon, 1 Jan 2018 03:33:01 +0000
Subject: [PATCH] After removal of loader.ps3, change petitboot configuration
 in release media to directly kexec the kernel. Unlike the old loader.ps3
 code, this also works on PowerNV systems, which also use petitboot.

MFC after:	1 month
---
 release/powerpc/mkisoimages.sh | 54 +++++++++++++++++++---------------
 1 file changed, 30 insertions(+), 24 deletions(-)

diff --git a/release/powerpc/mkisoimages.sh b/release/powerpc/mkisoimages.sh
index ef61f9cbb2e..02e2d58160a 100644
--- a/release/powerpc/mkisoimages.sh
+++ b/release/powerpc/mkisoimages.sh
@@ -23,31 +23,9 @@
 # extra-bits-dir, if provided, contains additional files to be merged
 # into base-bits-dir as part of making the image.
 
+
 if [ "$1" = "-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 ' ')
-	OFFSET=0x$(echo 0x$OFFSET | awk '{printf("%x\n",$1/512);}')
-	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 -p "$4/ppc/chrp"
-	cp "$4/boot/loader" "$4/ppc/chrp"
-	cat > "$4/ppc/bootinfo.txt" << EOF
-<chrp-boot>
-<description>FreeBSD Install</description>
-<os-name>FreeBSD</os-name>
-<boot-script>boot &device;:,\ppc\chrp\loader</boot-script>
-</chrp-boot>
-EOF
-	bootable="$bootable -o chrp-boot"
-
-	# Playstation 3 boot code
-	echo "FreeBSD Install='/boot/loader.ps3'" > "$4/etc/kboot.conf"
-
+	bootable=1
 	shift
 else
 	bootable=""
@@ -61,6 +39,34 @@ fi
 LABEL=`echo "$1" | tr '[:lower:]' '[:upper:]'`; shift
 NAME="$1"; shift
 
+if [ -n "$bootable" ]; then
+	echo "Building bootable disc"
+
+	# 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 ' ')
+	OFFSET=0x$(echo 0x$OFFSET | awk '{printf("%x\n",$1/512);}')
+	dd if="$1/boot/loader" of=/tmp/hfs-boot-block seek=$OFFSET conv=notrunc
+
+	bootable="-o bootimage=macppc;/tmp/hfs-boot-block -o no-emul-boot"
+
+	# pSeries/PAPR boot code
+	mkdir -p "$1/ppc/chrp"
+	cp "$1/boot/loader" "$1/ppc/chrp"
+	cat > "$1/ppc/bootinfo.txt" << EOF
+<chrp-boot>
+<description>FreeBSD Install</description>
+<os-name>FreeBSD</os-name>
+<boot-script>boot &device;:,\ppc\chrp\loader</boot-script>
+</chrp-boot>
+EOF
+	bootable="$bootable -o chrp-boot"
+
+	# Petitboot config for PS3/PowerNV
+	echo FreeBSD Install=\'/boot/kernel/kernel vfs.root.mountfrom=cd9660:/dev/iso9660/$LABEL\' > "$1/etc/kboot.conf"
+fi
+
 publisher="The FreeBSD Project.  https://www.FreeBSD.org/"
 echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > "$1/etc/fstab"
 makefs -t cd9660 $bootable -o rockridge -o label="$LABEL" -o publisher="$publisher" "$NAME" "$@"