freebsd-skq/release/powerpc/generate-hfs.sh
jhibbits cb9788efd6 Update loader size on powerpc isos
Summary:
loader has grown to the point it's overflowing the existing 307200 bytes
allocated to it in the HFS boot partition on the isos.

Bump the space reservation up to 500k.

Submitted by:	Brandon Bergren
MFC after:	2 weeks
Differential Revision: https://reviews.freebsd.org/D20301
2019-05-20 03:35:14 +00:00

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#!/bin/sh
# This script generates the dummy HFS filesystem used for the PowerPC boot
# blocks. It uses hfsutils (emulators/hfsutils) to generate a template
# filesystem with the relevant interesting files. These are then found by
# grep, and the offsets written to a Makefile snippet.
#
# Because of licensing concerns, and because it is overkill, we do not
# distribute hfsutils as a build tool. If you need to regenerate the HFS
# template (e.g. because the boot block or the CHRP script have grown),
# you must install it from ports.
# $FreeBSD$
HFS_SIZE=400 #Size in 2048-byte blocks of the produced image
LOADER_SIZE=500k
# Generate 800K HFS image
OUTPUT_FILE=hfs-boot
dd if=/dev/zero of=$OUTPUT_FILE bs=2048 count=$HFS_SIZE
hformat -l "FreeBSD Install" $OUTPUT_FILE
hmount $OUTPUT_FILE
# Create and bless a directory for the boot loader
hmkdir ppc
hattrib -b ppc
hcd ppc
# Make the CHRP boot script, which gets loader from the ISO9660 partition
cat > bootinfo.txt << EOF
<CHRP-BOOT>
<DESCRIPTION>FreeBSD/powerpc bootloader</DESCRIPTION>
<OS-NAME>FreeBSD</OS-NAME>
<VERSION> $FreeBSD: head/stand/powerpc/boot1.chrp/bootinfo.txt 184490 2008-10
-31 00:52:31Z nwhitehorn $ </VERSION>
<COMPATIBLE>
MacRISC MacRISC3 MacRISC4
</COMPATIBLE>
<BOOT-SCRIPT>
" screen" output
boot &device;:,\ppc\loader &device;:0
</BOOT-SCRIPT>
</CHRP-BOOT>
EOF
echo 'Loader START' | dd of=loader.tmp cbs=$LOADER_SIZE count=1 conv=block
hcopy bootinfo.txt :bootinfo.txt
hcopy loader.tmp :loader
hattrib -c chrp -t tbxi bootinfo.txt
humount
rm bootinfo.txt
rm loader.tmp
bzip2 $OUTPUT_FILE
echo 'HFS boot filesystem created by generate-hfs.sh' > $OUTPUT_FILE.bz2.uu
echo 'DO NOT EDIT' >> $OUTPUT_FILE.bz2.uu
echo '$FreeBSD$' >> $OUTPUT_FILE.bz2.uu
uuencode $OUTPUT_FILE.bz2 $OUTPUT_FILE.bz2 >> $OUTPUT_FILE.bz2.uu
rm $OUTPUT_FILE.bz2