From ab063ab0af7dbd92140dad0f20ad396ba2d45d3d Mon Sep 17 00:00:00 2001
From: John Voltz <john.voltz@gmail.com>
Date: Thu, 6 Mar 2008 17:52:37 +0000
Subject: some buildroot helper scripts

---
 scripts/build-ext3-img | 152 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100755 scripts/build-ext3-img

(limited to 'scripts/build-ext3-img')

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
-- 
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