dinstall-rpi.sh: add a script for preparing a SD card for Raspberry PI with openmamba-rootfs-light

src/sdinstall-rpi.sh

@@ -0,0 +1,123 @@
+### SD-Card: create partitions and fileysytems
+#
+# Created by: Davide Madrisan
+# Modified by: Silvan Calarco <silvan.calarco@mambasoft.it>
+#
+DRIVE=$1
+ROOTFSARCHIVE=$2
+
+[ "$DRIVE" -a "$ROOTFSARCHIVE" ] || {
+   echo "Usage: $0 device rootfs-archive"
+   echo
+   echo "Example: $0 /dev/sdb /tmp/openmamba-rootfs-light.arm.tar.xz"
+   exit 1
+}
+
+[ $UID -eq 0 ] || {
+   echo "ERROR: this script must be called as root; aborting."
+   exit 1
+}
+
+if [ "${DRIVE:0:11}" = "/dev/mmcblk" ]; then
+   PARTITION1=${DRIVE}p1
+   PARTITION2=${DRIVE}p2
+else
+   PARTITION1=${DRIVE}1
+   PARTITION2=${DRIVE}2
+fi
+
+dd if=/dev/zero of=$DRIVE bs=1024 count=1024
+
+set -- $(LC_ALL=C fdisk -l "$DRIVE" | grep "^Disk.*bytes$")
+SIZE="$5"
+echo Disk Size: $SIZE bytes
+
+CYLINDERS=`echo $SIZE/255/63/512 | bc`
+echo Cylinders: $CYLINDERS
+
+{
+echo ,9,0x0C,*
+echo ,,,-
+} | sfdisk -D -H 255 -S 63 -C $CYLINDERS $DRIVE
+
+mkfs.vfat -F 32 -n "boot" $PARTITION1
+mke2fs -t ext4 -j -L "openmamba" $PARTITION2
+
+### SD-Card: install software
+
+SWHOME=`mktemp -d`
+
+cd $SWHOME
+git clone git://github.com/raspberrypi/firmware.git --depth=1
+
+BOOTMP=/media/boot
+ROOTMP=/media/openmamba
+
+[ -e /media/boot -o -e /media/openmamba ] && {
+   echo "ERROR: /media/boot or /media/openmamba already exist."
+   exit 1
+}
+
+udisks --mount $PARTITION1
+udisks --mount $PARTITION2
+
+# bootcode.bin: 2nd stage bootloader, starts with SDRAM disabled
+# loader.bin  : 3rd stage bootloader, starts with SDRAM enabled
+# start.elf   : The GPU binary firmware image, provided by the foundation
+# kernel.img  : The OS kernel to load on the ARM processor.
+for f in bootcode.bin loader.bin arm*_start.elf kernel*.img; do
+   cp $SWHOME/firmware/boot/$f $BOOTMP/
+done
+
+# use arm224_start.elf (224M system, 32MB GPU split) firmware by default
+cp $BOOTMP/arm224_start.elf $BOOTMP/start.elf
+
+# cmdline.txt : parameters passed to the kernel on boot
+echo "\
+dwc_otg.lpm_enable=0 \
+console=ttyAMA0,115200 \
+kgdboc=ttyAMA0,115200 \
+console=tty1 \
+root=/dev/mmcblk0p2 \
+rootfstype=ext4 \
+elevator=deadline \
+rootwait" > $BOOTMP/cmdline.txt
+#debug=1 \
+
+# optional files:
+#   config.txt    : A configuration file read by the GPU.
+#                   Use this to override set the video mode, alter system clock
+#                   speeds, voltages, etc.
+#   vlls directory: Additional GPU code, e.g. extra codecs. 
+#                   Not present in the initial release.
+
+pushd $ROOTMP >/dev/null
+tar xvf $ROOTFSARCHIVE
+popd >/dev/null
+
+# copy kernel modules
+mkdir -p $ROOTMP/lib/modules
+cp -a $SWHOME/firmware/modules/* $ROOTMP/lib/modules/
+
+## swhitch to runlevel 1
+#sed -i "s@^id:[0-9]:\(.*\)@id:1:\1@" \
+#   $ROOTMP/etc/inittab
+## remove root password
+## default: root:$1$7QJBkeh1$Dd.G4kEYQT2c6x4kLMrAS.:15418:0:99999:7:::0
+#sed -i "s@^root:[^:]*\(.*\)@root:\1@" \
+#   $ROOTMP/etc/shadow
+#
+## /proc/bus/usb/ does not exist
+#sed -i "s@^usbfs.*@#&@" $ROOTMP/etc/fstab
+#
+#sed -i "\
+#s@^multithread=1@multithread=0@
+#s@#no_auto_depmod.*@no_auto_depmod=1@" \
+#   $ROOTMP/etc/sysconfig/rc
+
+udisks --unmount $PARTITION1
+udisks --unmount $PARTITION2
+
+[ "$SWHOME" -a "${SWHOME:0:4}" = "/tmp" ] && rm -rf $SWHOME
+
+exit 0