65 lines
1.8 KiB
Bash
65 lines
1.8 KiB
Bash
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#!/bin/sh
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# This script generates the dummy HFS filesystem used for the PowerPC boot
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# blocks. It uses hfsutils (emulators/hfsutils) to generate a template
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# filesystem with the relevant interesting files. These are then found by
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# grep, and the offsets written to a Makefile snippet.
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#
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# Because of licensing concerns, and because it is overkill, we do not
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# distribute hfsutils as a build tool. If you need to regenerate the HFS
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# template (e.g. because the boot block or the CHRP script have grown),
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# you must install it from ports.
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# $FreeBSD$
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HFS_SIZE=400 #Size in 2048-byte blocks of the produced image
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LOADER_SIZE=300k
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# Generate 800K HFS image
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OUTPUT_FILE=hfs-boot
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dd if=/dev/zero of=$OUTPUT_FILE bs=2048 count=$HFS_SIZE
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hformat -l "FreeBSD Install" $OUTPUT_FILE
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hmount $OUTPUT_FILE
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# Create and bless a directory for the boot loader
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hmkdir ppc
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hattrib -b ppc
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hcd ppc
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# Make the CHRP boot script, which gets loader from the ISO9660 partition
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cat > bootinfo.txt << EOF
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<CHRP-BOOT>
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<DESCRIPTION>FreeBSD/powerpc bootloader</DESCRIPTION>
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<OS-NAME>FreeBSD</OS-NAME>
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<VERSION> $FreeBSD: head/sys/boot/powerpc/boot1.chrp/bootinfo.txt 184490 2008-10
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-31 00:52:31Z nwhitehorn $ </VERSION>
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<COMPATIBLE>
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MacRISC MacRISC3 MacRISC4
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</COMPATIBLE>
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<BOOT-SCRIPT>
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" screen" output
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boot &device;:,\ppc\loader &device;:0
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</BOOT-SCRIPT>
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</CHRP-BOOT>
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EOF
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echo 'Loader START' | dd of=loader.tmp cbs=$LOADER_SIZE count=1 conv=block
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hcopy bootinfo.txt :bootinfo.txt
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hcopy loader.tmp :loader
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hattrib -c chrp -t tbxi bootinfo.txt
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humount
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rm bootinfo.txt
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rm loader.tmp
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bzip2 $OUTPUT_FILE
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echo 'HFS boot filesystem created by generate-hfs.sh' > $OUTPUT_FILE.bz2.uu
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echo 'DO NOT EDIT' >> $OUTPUT_FILE.bz2.uu
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echo '$FreeBSD$' >> $OUTPUT_FILE.bz2.uu
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uuencode $OUTPUT_FILE.bz2 $OUTPUT_FILE.bz2 >> $OUTPUT_FILE.bz2.uu
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rm $OUTPUT_FILE.bz2
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