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rpi_inst.conf revision 1.8 
      1 # $NetBSD: rpi_inst.conf,v 1.8 2015/04/19 18:53:33 hubertf Exp $
      2 # Raspberry Pi customization script used by mkimage
      3 #
      4 
      5 board=rpi_inst
      6 kernel=$src/sys/arch/evbarm/compile/RPI/netbsd-RPI_INSTALL.bin
      7 
      8 . ${DIR}/conf/evbarm.conf
      9 
     10 image=$HOME/${board}.img
     11 
     12 swap=8
     13 extra=8		# spare space
     14 boot=112
     15 init=8
     16 
     17 size=$(( 10485760 + ${swap} * 1024 * 512 + ${boot} * 1024 * 512 + ${init} * 1024 * 512 ))
     18 msdosid=12
     19 
     20 make_label() {
     21 	# compute all sizes in terms of sectors
     22 	local totalsize=$(( ${newsize} * 1024 * 2 / 512 ))
     23 
     24 	local swapsize=$(( ${swap} * 1024 ))
     25 	local bootsize=$(( ${boot} * 1024 ))
     26 
     27 	local bootoffset=$(( ${init} * 1024 ))
     28 	local swapoffset=$(( ${bootoffset} + ${bootsize} ))
     29 
     30 	local asize=$(( ${totalsize} - ${swapsize} - ${bootsize} - ${bootoffset} ))
     31 	local aoffset=$(( ${swapoffset} + ${swapsize} ))
     32 
     33 	local bps=512
     34 	local spt=32
     35 	local tpc=64
     36 	local spc=2048
     37 	local cylinders=$(( ${totalsize} / ${spc} ))
     38 
     39 	cat << EOF
     40 type: SCSI
     41 disk: STORAGE DEVICE
     42 label: fictitious
     43 flags: removable
     44 bytes/sector: ${bps}
     45 sectors/track: ${spt}
     46 tracks/cylinder: ${tpc}
     47 sectors/cylinder: ${spc}
     48 cylinders: ${cylinders}
     49 total sectors: ${totalsize}
     50 rpm: 3600
     51 interleave: 1
     52 trackskew: 0
     53 cylinderskew: 0
     54 headswitch: 0           # microseconds
     55 track-to-track seek: 0  # microseconds
     56 drivedata: 0 
     57 
     58 8 partitions:
     59 #     size         offset        fstype [fsize bsize cpg/sgs]
     60  a:   ${asize}     ${aoffset}    4.2BSD  ${fsize} ${bsize} 0  # 
     61  b:   ${swapsize}  ${swapoffset} swap                         #
     62  d:   ${totalsize} 0             unused      0     0          #
     63  e:   ${bootsize}  ${bootoffset} MSDOS                        #
     64 EOF
     65 }
     66 
     67 customize() {
     68 	echo "${bar} creating directories ${bar}"
     69 	mkdir ${mnt}/proc ${mnt}/kern
     70 }
     71 
     72 make_fstab() {
     73 	:
     74 }
     75 
     76 firmwaredir=$src/external/broadcom/rpi-firmware/dist
     77 firmwarefiles="LICENCE.broadcom bootcode.bin fixup.dat fixup_cd.dat start.elf start_cd.elf"
     78 
     79 populate() {
     80 	cat > ${mnt}/boot/cmdline.txt << EOF
     81 root=ld0a console=fb
     82 #fb=1280x1024		# to select a mode, otherwise try EDID 
     83 #fb=disable		# to disable fb completely
     84 EOF
     85 	if [ ! -f ${kernel} ]; then
     86 		echo ${PROG}: Missing ${kernel} 1>&2
     87 		exit 1
     88 	fi
     89 
     90 	echo "${bar} installing kernel ${bar}"
     91 	case ${kernel} in
     92 	*.gz)
     93 		${GZIP_CMD} -dc ${kernel} > ${mnt}/boot/kernel.img
     94 		;;
     95 	*)
     96 		cp ${kernel} ${mnt}/boot/kernel.img
     97 		;;
     98 	esac
     99 
    100 	echo "${bar} installing firmware files ${bar}"
    101 	(cd ${mnt}/boot &&
    102 		for f in ${firmwarefiles}; do
    103 			echo " $f"
    104 			cp ${firmwaredir}/${f} .
    105 		done
    106 	)
    107 
    108 }
    109