1ca987d46SWarner Losh#!/bin/sh 2ca987d46SWarner Losh 3ca987d46SWarner Losh# This script generates the dummy HFS filesystem used for the PowerPC boot 4*066ef2aeSAlexander Ziaee# blocks. It uses hfsutils (filesystems/hfsutils) to generate a template 5ca987d46SWarner Losh# filesystem with the relevant interesting files. These are then found by 6ca987d46SWarner Losh# grep, and the offsets written to a Makefile snippet. 7ca987d46SWarner Losh# 8ca987d46SWarner Losh# Because of licensing concerns, and because it is overkill, we do not 9ca987d46SWarner Losh# distribute hfsutils as a build tool. If you need to regenerate the HFS 10ca987d46SWarner Losh# template (e.g. because the boot block or the CHRP script have grown), 11ca987d46SWarner Losh# you must install it from ports. 12ca987d46SWarner Losh 13ca987d46SWarner LoshHFS_SIZE=1600 #Size in 512-byte blocks of the produced image 14ca987d46SWarner Losh 15ca987d46SWarner LoshCHRPBOOT_SIZE=2k 16ca987d46SWarner LoshBOOT1_SIZE=64k 17ca987d46SWarner Losh 18ca987d46SWarner Losh# Generate 800K HFS image 19ca987d46SWarner LoshOUTPUT_FILE=hfs.tmpl 20ca987d46SWarner Losh 21ca987d46SWarner Loshdd if=/dev/zero of=$OUTPUT_FILE bs=512 count=$HFS_SIZE 22ca987d46SWarner Loshhformat -l "FreeBSD Bootstrap" $OUTPUT_FILE 23ca987d46SWarner Loshhmount $OUTPUT_FILE 24ca987d46SWarner Losh 25ca987d46SWarner Losh# Create and bless a directory for the boot loader 26ca987d46SWarner Loshhmkdir ppc 27ca987d46SWarner Loshhattrib -b ppc 28ca987d46SWarner Loshhcd ppc 29ca987d46SWarner Losh 30ca987d46SWarner Losh# Make two dummy files for the CHRP boot script and boot1 31ca987d46SWarner Loshecho 'Bootinfo START' | dd of=bootinfo.txt.tmp cbs=$CHRPBOOT_SIZE count=1 conv=block 32ca987d46SWarner Loshecho 'Boot1 START' | dd of=boot1.elf.tmp cbs=$BOOT1_SIZE count=1 conv=block 33ca987d46SWarner Losh 34ca987d46SWarner Loshhcopy boot1.elf.tmp :boot1.elf 35ca987d46SWarner Loshhcopy bootinfo.txt.tmp :bootinfo.txt 36ca987d46SWarner Loshhattrib -c chrp -t tbxi bootinfo.txt 37ca987d46SWarner Loshhumount 38ca987d46SWarner Losh 39ca987d46SWarner Loshrm bootinfo.txt.tmp 40ca987d46SWarner Loshrm boot1.elf.tmp 41ca987d46SWarner Losh 42ca987d46SWarner Losh# Locate the offsets of the two fake files 43ca987d46SWarner LoshBOOTINFO_OFFSET=$(hd $OUTPUT_FILE | grep 'Bootinfo START' | cut -f 1 -d ' ') 44ca987d46SWarner LoshBOOT1_OFFSET=$(hd $OUTPUT_FILE | grep 'Boot1 START' | cut -f 1 -d ' ') 45ca987d46SWarner Losh 46ca987d46SWarner Losh# Convert to numbers of blocks 47ca987d46SWarner LoshBOOTINFO_OFFSET=$(echo 0x$BOOTINFO_OFFSET | awk '{printf("%x\n",$1/512);}') 48ca987d46SWarner LoshBOOT1_OFFSET=$(echo 0x$BOOT1_OFFSET | awk '{printf("%x\n",$1/512);}') 49ca987d46SWarner Losh 50ca987d46SWarner Loshecho '# This file autogenerated by generate-hfs.sh - DO NOT EDIT' > Makefile.hfs 51ca987d46SWarner Loshecho "BOOTINFO_OFFSET=0x$BOOTINFO_OFFSET" >> Makefile.hfs 52ca987d46SWarner Loshecho "BOOT1_OFFSET=0x$BOOT1_OFFSET" >> Makefile.hfs 53ca987d46SWarner Losh 54ca987d46SWarner Loshbzip2 $OUTPUT_FILE 55ca987d46SWarner Loshecho 'HFS template boot filesystem created by generate-hfs.sh' > $OUTPUT_FILE.bz2.uu 56ca987d46SWarner Loshecho 'DO NOT EDIT' >> $OUTPUT_FILE.bz2.uu 57ca987d46SWarner Losh 58ca987d46SWarner Loshuuencode $OUTPUT_FILE.bz2 $OUTPUT_FILE.bz2 >> $OUTPUT_FILE.bz2.uu 59ca987d46SWarner Loshrm $OUTPUT_FILE.bz2 60ca987d46SWarner Losh 61