1#!/bin/bash 2set -e 3 4# 5# Source settings if present 6# 7if [ -f .settings ] 8then 9 echo "Sourcing settings from .settings" 10 # Display the content (so we can check in the build logs 11 # what the settings contain. 12 cat .settings | sed "s,^,CONTENT ,g" 13 . .settings 14fi 15 16: ${ARCH=evbearm-el} 17: ${OBJ=../obj.${ARCH}} 18: ${CROSS_TOOLS=${OBJ}/"tooldir.`uname -s`-`uname -r`-`uname -m`"/bin} 19: ${CROSS_PREFIX=${CROSS_TOOLS}/arm-elf32-minix-} 20: ${JOBS=1} 21: ${DESTDIR=${OBJ}/destdir.$ARCH} 22: ${RELEASETOOLSDIR=./releasetools/} 23: ${FSTAB=${DESTDIR}/etc/fstab} 24: ${BUILDVARS=} 25: ${BUILDSH=build.sh} 26 27# 28# Directory where to store temporary file system images 29# 30: ${IMG_DIR=${OBJ}/img} 31: ${IMG=minix_arm_sd.img} 32: ${MLO=MLO} 33: ${UBOOT=u-boot.img} 34 35 36# Beagleboard-xm 37: ${U_BOOT_BIN_DIR=build/omap3_beagle/} 38: ${CONSOLE=tty02} 39 40 41# BeagleBone (and black) 42#: ${U_BOOT_BIN_DIR=build/am335x_evm/} 43#: ${CONSOLE=tty00} 44 45# 46# 47# We host u-boot binaries. 48U_BOOT_GIT_VERSION=cb5178f12787c690cb1c888d88733137e5a47b15 49 50if [ -n "$BASE_URL" ] 51then 52 #we no longer download u-boot but do a checkout 53 #BASE_URL used to be the base url for u-boot 54 #Downloads 55 echo "Warning:** Setting BASE_URL (u-boot) is no longer possible use U_BOOT_BIN_DIR" 56 echo "Look in ./releasetools/arm_sdimage.sh for suggested values" 57 exit 1 58fi 59 60if [ ! -f ${BUILDSH} ] 61then 62 echo "Please invoke me from the root source dir, where ${BUILDSH} is." 63 exit 1 64fi 65 66export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:$PATH 67 68for needed in mcopy dd mkfs.vfat git 69do 70 if ! which $needed 2>&1 > /dev/null 71 then 72 echo "**Skipping image creation: missing tool '$needed'" 73 exit 1 74 fi 75done 76 77# 78# Artifacts from this script are stored in the IMG_DIR 79# 80mkdir -p $IMG_DIR 81 82# 83# Download the stage 1 bootloader and u-boot 84# 85./releasetools/fetch_u-boot.sh -o ${RELEASETOOLSDIR}/u-boot -n $U_BOOT_GIT_VERSION 86cp ${RELEASETOOLSDIR}/u-boot/${U_BOOT_BIN_DIR}/u-boot.img ${IMG_DIR}/ 87cp ${RELEASETOOLSDIR}/u-boot/${U_BOOT_BIN_DIR}/MLO ${IMG_DIR}/ 88 89# 90# Remove the generated files to allow us call build.sh without '-V SLOPPY_FLIST=yes'. 91# 92rm -f ${FSTAB} 93 94# 95# Now start the build 96# 97export CPPFLAGS=${FLAG} 98sh ${BUILDSH} -j ${JOBS} -m ${ARCH} -O ${OBJ} -D ${DESTDIR} ${BUILDVARS} -U -u distribution 99 100# 101# This script creates a bootable image and should at some point in the future 102# be replaced by makefs. 103# 104# All sized are written in 512 byte blocks 105# 106# we create a disk image of about 2 gig's 107: ${IMG_SIZE=$(( 2*(2**30) / 512))} 108: ${FAT_SIZE=$(( 10*(2**20) / 512))} 109: ${ROOT_SIZE=$(( 64*(2**20) / 512))} 110: ${HOME_SIZE=$(( 128*(2**20) / 512))} 111: ${USR_SIZE=$(( 1536*(2**20) / 512))} 112 113# 114# create a fstab entry in /etc this is normally done during the 115# setup phase on x86 116# 117cat >${FSTAB} <<END_FSTAB 118/dev/c0d0p2 /home mfs rw 0 2 119/dev/c0d0p3 /usr mfs rw 0 2 120none /sys devman rw,rslabel=devman 0 0 121END_FSTAB 122 123rm -f ${DESTDIR}/SETS.* 124 125${CROSS_TOOLS}/nbpwd_mkdb -V 0 -p -d ${DESTDIR} ${DESTDIR}/etc/master.passwd 126 127# 128# Now given the sizes above use DD to create separate files representing 129# the partitions we are going to use. 130# 131dd if=/dev/zero of=${IMG_DIR}/fat.img bs=512 count=1 seek=$(($FAT_SIZE -1)) 2>/dev/null 132 133# 134# Create the empty image where we later will put the partitions in. 135# 136rm -f ${IMG} 137dd if=/dev/zero of=${IMG} bs=512 count=1 seek=$(($IMG_SIZE -1)) 138 139# 140# Do some math to determine the start addresses of the partitions. 141# Don't leave holes so the 'partition' invocation later is easy. 142# 143FAT_START=2048 144ROOT_START=$(($FAT_START + $FAT_SIZE)) 145HOME_START=$(($ROOT_START + $ROOT_SIZE)) 146USR_START=$(($HOME_START + $HOME_SIZE)) 147 148# 149# Write the partition table using the natively compiled 150# minix partition utility 151# 152${CROSS_TOOLS}/nbpartition -m ${IMG} ${FAT_START} "c:${FAT_SIZE}*" 81:${ROOT_SIZE} 81:${HOME_SIZE} 81:${USR_SIZE} 153 154# 155# Format the fat partition and put the bootloaders 156# uEnv and the kernel command line in the FAT partition 157# 158mkfs.vfat ${IMG_DIR}/fat.img 159 160# 161# Create a uEnv.txt file 162# -n default to network boot 163# -p add a prefix to the network booted files (e.g. xm/" 164# -c set console e.g. tty02 or tty00 165# -v set verbosity e.g. 0 to 3 166#./releasetools/gen_uEnv.txt.sh -c ${CONSOLE} -n -p bb/ > ${IMG_DIR}/uEnv.txt 167./releasetools/gen_uEnv.txt.sh -c ${CONSOLE} > ${IMG_DIR}/uEnv.txt 168 169echo "Copying configuration kernel and boot modules" 170mcopy -bsp -i ${IMG_DIR}/fat.img ${IMG_DIR}/$MLO ::MLO 171mcopy -bsp -i ${IMG_DIR}/fat.img ${IMG_DIR}/$UBOOT ::u-boot.img 172mcopy -bsp -i ${IMG_DIR}/fat.img ${IMG_DIR}/uEnv.txt ::uEnv.txt 173 174# 175# For tftp booting 176# 177cp ${IMG_DIR}/uEnv.txt ${OBJ}/ 178 179# 180# Do some last processing of the kernel and servers before also putting 181# them on the FAT 182# 183${CROSS_PREFIX}objcopy ${OBJ}/kernel/kernel -O binary ${OBJ}/kernel.bin 184 185mcopy -bsp -i ${IMG_DIR}/fat.img ${OBJ}/kernel.bin ::kernel.bin 186 187for f in servers/vm/vm servers/rs/rs servers/pm/pm servers/sched/sched \ 188 servers/vfs/vfs servers/ds/ds servers/mfs/mfs servers/pfs/pfs \ 189 sbin/init/init 190do 191 fn=`basename $f`.elf 192 cp ${OBJ}/${f} ${OBJ}/${fn} 193 ${CROSS_PREFIX}strip -s ${OBJ}/${fn} 194 mcopy -bsp -i ${IMG_DIR}/fat.img ${OBJ}/${fn} ::${fn} 195done 196 197for f in tty memory 198do 199 cp ${OBJ}/drivers/${f}/${f} ${OBJ}/${f}.elf 200 ${CROSS_PREFIX}strip -s ${OBJ}/${f}.elf 201 mcopy -bsp -i ${IMG_DIR}/fat.img ${OBJ}/${f}.elf ::${f}.elf 202done 203 204# 205# make the different file system. this part is *also* hacky. We first convert 206# the METALOG.sanitised using mtree into a input METALOG containing uids and 207# gids. 208# Afther that we do some processing to convert the METALOG into a proto file 209# that can be used by mkfs.mfs 210# 211echo "creating the file systems" 212 213# 214# read METALOG and use mtree to conver the user and group names into uid and gids 215# FIX put "input somwhere clean" 216# 217cat ${DESTDIR}/METALOG.sanitised | ${CROSS_TOOLS}/nbmtree -N ${DESTDIR}/etc -C -K device > ${IMG_DIR}/input 218 219# add fstab 220echo "./etc/fstab type=file uid=0 gid=0 mode=0755 size=747 time=1365060731.000000000" >> ${IMG_DIR}/input 221 222# fill root.img (skipping /usr entries while keeping the /usr directory) 223cat ${IMG_DIR}/input | grep -v "^./usr/" | ${CROSS_TOOLS}/nbtoproto -b ${DESTDIR} -o ${IMG_DIR}/root.proto 224 225# 226# Create proto files for /usr and /home using toproto. 227# 228cat ${IMG_DIR}/input | grep "^\./usr/\|^. " | sed "s,\./usr,\.,g" | ${CROSS_TOOLS}/nbtoproto -b ${DESTDIR}/usr -o ${IMG_DIR}/usr.proto 229cat ${IMG_DIR}/input | grep "^\./home/\|^. " | sed "s,\./home,\.,g" | ${CROSS_TOOLS}/nbtoproto -b ${DESTDIR}/home -o ${IMG_DIR}/home.proto 230 231# 232# Generate /root, /usr and /home partition images. 233# 234echo "Writing Minix filesystem images" 235echo " - ROOT" 236${CROSS_TOOLS}/nbmkfs.mfs -I $((${ROOT_START} * 512)) -b $((${ROOT_SIZE} / 8)) ${IMG} ${IMG_DIR}/root.proto 237echo " - USR" 238${CROSS_TOOLS}/nbmkfs.mfs -I $((${USR_START} * 512)) -b $((${USR_SIZE} / 8)) ${IMG} ${IMG_DIR}/usr.proto 239echo " - HOME" 240${CROSS_TOOLS}/nbmkfs.mfs -I $((${HOME_START} * 512)) -b $((${HOME_SIZE} / 8)) ${IMG} ${IMG_DIR}/home.proto 241 242# 243# Merge the partitions into a single image. 244# 245echo "Merging file systems" 246dd if=${IMG_DIR}/fat.img of=${IMG} seek=$FAT_START conv=notrunc 247