diff options
Diffstat (limited to 'scripts/build-ext3-img')
-rwxr-xr-x | scripts/build-ext3-img | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/scripts/build-ext3-img b/scripts/build-ext3-img new file mode 100755 index 000000000..1aabf8c22 --- /dev/null +++ b/scripts/build-ext3-img @@ -0,0 +1,152 @@ +#!/bin/sh + +BLOCKSIZE=516096 +WORKING_DIR=`pwd` + +echo "This script will create a bootable ext3 image from buildroot." + +echo "Enter the path to the image (${WORKING_DIR})" +read IMG_PATH + +if [ "${IMAGE_PATH}" = "" ]; then + IMAGE_PATH=${WORKING_DIR} +fi + +echo "Enter the name of the image file (buildroot.img)" +read IMG_NAME + +if [ "${IMAGE_NAME}" = "" ]; then + IMAGE_NAME="buildroot.img" +fi + +IMAGE=${IMAGE_PATH}/${IMAGE_NAME} + +echo "Enter the path to the root filesystem that you want" +echo "to install to the image" +read ROOT_PATH + +if [ "${ROOT_PATH}" = "" ]; then + echo "Error: you must specify a path." + exit 1 +fi + +CYLINDERS=`du --summarize --block-size=${BLOCKSIZE} ${ROOT_PATH}` +BYTE_SIZE=`du --summarize --block-size=${BLOCKSIZE} --human-readable ${ROOT_PATH}` + +CYLINDERS=${CYLINDERS%${ROOT_PATH}} +BYTE_SIZE=${BYTE_SIZE%${ROOT_PATH}} + +CYLINDERS=`expr ${CYLINDERS} "+" 2` + +echo "Now I will create an ext3 image file" +echo "using ${CYLINDERS} cylinders, with ${BLOCKSIZE} bytes per block" +echo "in other words, ${BYTE_SIZE}bytes..." + + dd if=/dev/zero of=${IMAGE} bs=${BLOCKSIZE}c count=${CYLINDERS} + +# Create file partition and filesystem + + # STEP 1. create partition + /sbin/losetup /dev/loop3 ${IMAGE} + # probably should figure out how to use GNU parted to do this non-interactively + /sbin/fdisk -u -C${CYLINDERS} -S63 -H16 /dev/loop3 + /sbin/losetup -d /dev/loop3 + + # STEP 2. make file system (ext3) + /sbin/losetup -o 32256 /dev/loop3 ${IMAGE} + /sbin/mkfs.ext3 /dev/loop3 + /sbin/losetup -d /dev/loop3 + +# Install Software to the image + mkdir -p ${IMAGE_PATH}/temp + mount -o offset=32256,loop ${IMAGE} ${IMAGE_PATH}/temp + cp -a ${ROOT_PATH}/* ${IMAGE_PATH}/temp + # make sure to unmount the image + umount ${IMAGE_PATH}/temp + rm -rf ${IMAGE_PATH}/temp + +# Create a VMware .vmx file +cat > ${IMAGE_PATH}/buildroot.vmx <<EOF +config.version = "8" +virtualHW.version = "3" + +uuid.location = "56 4d 5c cc 3d 4a 43 29-55 89 5c 28 1e 7e 06 58" +uuid.bios = "56 4d 5c cc 3d 4a 43 29-55 89 5c 28 1e 7e 06 58" + +uuid.action = "create" +checkpoint.vmState = "" + +displayName = "Buildroot" +annotation = "" +guestinfo.vmware.product.long = "" +guestinfo.vmware.product.url = "http://dcgrendel.be/vmbuilder/" + +guestOS = "linux" +numvcpus = "1" +memsize = "256" +paevm = "FALSE" +sched.mem.pshare.enable = "TRUE" +MemAllowAutoScaleDown = "FALSE" + +MemTrimRate = "-1" + +nvram = "nvram" + +mks.enable3d = "FALSE" +vmmouse.present = "TRUE" + +tools.syncTime = "TRUE" +tools.remindinstall = "FALSE" + +isolation.tools.hgfs.disable = "FALSE" +isolation.tools.dnd.disable = "FALSE" +isolation.tools.copy.enable = "TRUE" +isolation.tools.paste.enabled = "TRUE" +gui.restricted = "FALSE" + +ethernet0.present = "TRUE" +ethernet0.connectionType = "bridged" +ethernet0.addressType = "generated" +ethernet0.generatedAddress = "00:0c:29:7e:06:58" +ethernet0.generatedAddressOffset = "0" + +usb.present = "TRUE" +usb.generic.autoconnect = "FALSE" + +sound.present = "TRUE" +sound.virtualdev = "es1371" + +ide0:0.present = "TRUE" +ide0:0.fileName = "buildroot.vmdk" +ide0:0.deviceType = "disk" +ide0:0.mode = "" +ide0:0.redo = "" +ide0:0.writeThrough = "FALSE" +ide0:0.startConnected = "TRUE" + +ide1:0.present = "TRUE" +ide1:0.fileName = "" +ide1:0.deviceType = "disk" +ide1:0.mode = "" +ide1:0.redo = "" +ide1:0.writeThrough = "FALSE" +ide1:0.startConnected = "FALSE" + +floppy0.present = "FALSE" + +serial0.present = "FALSE" + +serial1.present = "FALSE" + +parallel0.present = "FALSE" + +EOF + +# Install GRUB + /sbin/grub --no-floppy --batch <<EOT + device (hd0) ${IMAGE} + geometry (hd0) ${CYLINDERS} 16 63 + root (hd0,0) + setup (hd0) + quit + EOT |