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bcm2835-bootloader/release: add initial "make image" support
BIG FAT WARNING: this requires sudo at build-time. may not work with auto-builds. check your etc/sudoers BIG FAT WARNING: this is a work in progress. use only if you know what you are doing.
This commit is contained in:
Stefan Saraev
parent
0665aa74e9
commit
47fd1cc66b
128
packages/tools/bcm2835-bootloader/image
Executable file
128
packages/tools/bcm2835-bootloader/image
Executable file
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#!/bin/sh
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################################################################################
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# This file is part of OpenELEC - http://www.openelec.tv
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# Copyright (C) 2009-2012 Stephan Raue (stephan@openelec.tv)
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#
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# This Program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This Program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OpenELEC.tv; see the file COPYING. If not, write to
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# the Free Software Foundation, 51 Franklin Street, Suite 500, Boston, MA 02110, USA.
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# http://www.gnu.org/copyleft/gpl.html
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################################################################################
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cleanup()
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{
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echo "image: cleanup..."
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umount /tmp/oe_image_install &>/dev/null || :
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losetup -d "$LOOP"
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[ -f /tmp/oe_image_install/ldlinux.sys ] && chattr -i /tmp/oe_image_install/ldlinux.sys || :
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rm -rf /tmp/oe_image_install
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exit
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}
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trap cleanup SIGINT
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# set variables
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SYSTEM_SIZE=128
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# 3STORAGE_SIZE must be >= 32 !
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STORAGE_SIZE=32
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DISK_SIZE=$(( $SYSTEM_SIZE + $STORAGE_SIZE ))
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DISK="$TARGET_IMG/$IMAGE_NAME.img"
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LOOP=$(losetup -f)
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# ensure loopX not in use
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echo "image: next two errors can be ignored..."
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umount /tmp/oe_image_install >/dev/null || :
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umount "$LOOP" &>/dev/null >/dev/null || :
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losetup -d "$LOOP" &>/dev/null >/dev/null || :
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rm -rf /tmp/oe_image_install &>/dev/null
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# create an image
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echo "image: creating new image: $DISK..."
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dd if=/dev/zero of="$DISK" bs=1M count="$DISK_SIZE"
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sync
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# write a disklabel
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echo "image: creating partition table: $DISK..."
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losetup "$LOOP" "$DISK"
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parted -s "$LOOP" mklabel msdos
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sync
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# create part1
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echo "image: creating par1 on $DISK..."
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SYSTEM_PART_END=$(( $SYSTEM_SIZE * 1024 * 1024 / 512 + 64 ))
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parted -s "$LOOP" -a min unit s mkpart primary fat32 64 $SYSTEM_PART_END
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parted -s "$LOOP" set 1 boot on
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# create part2
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echo "image: creating part2 on $DISK..."
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STORAGE_PART_START=$(( $SYSTEM_PART_END + 1 ))
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parted -s "$LOOP" -a min unit s mkpart primary ext4 $STORAGE_PART_START 100%
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sync
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# create filesystem on part1
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losetup -d "$LOOP"
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echo "image: creating filesystem on part1..."
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OFFSET=$(( 64 * 512 ))
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SIZELIMIT=$(( $SYSTEM_SIZE * 1024 * 1024 ))
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losetup -o $OFFSET --sizelimit $SIZELIMIT "$LOOP" "$DISK"
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mkfs.vfat "$LOOP"
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sync
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# mount partition
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echo "image: mounting part1 on /tmp/oe_image_install..."
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mkdir -p /tmp/oe_image_install
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mount "$LOOP" /tmp/oe_image_install
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# create bootloader configuration
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echo "image: creating bootloader configuration..."
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cat >/tmp/oe_image_install/cmdline.txt << EOF
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boot=/dev/mmcblk0p1 disk=/dev/mmcblk0p2 quiet
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EOF
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# copy files
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echo "image: copying files to part1..."
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cp $RELEASE_DIR/3rdparty/bootloader/bootcode.bin /tmp/oe_image_install
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cp $RELEASE_DIR/3rdparty/bootloader/fixup.dat /tmp/oe_image_install
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cp $RELEASE_DIR/3rdparty/bootloader/start.elf /tmp/oe_image_install
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cp $TARGET_IMG/$IMAGE_NAME.kernel /tmp/oe_image_install/kernel.img
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cp $TARGET_IMG/$IMAGE_NAME.system /tmp/oe_image_install/SYSTEM
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# unmount part1
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echo "image: unmounting part1..."
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umount "$LOOP"
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sync
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# create filesystem on part2
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losetup -d "$LOOP"
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echo "image: creating filesystem on part2..."
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OFFSET=$(( $STORAGE_PART_START * 512 ))
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losetup -o $OFFSET "$LOOP" "$DISK"
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mke2fs -q -t ext4 -m 0 "$LOOP"
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e2fsck -n "$LOOP"
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sync
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# add resize mark
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echo "image: mounting part2 on /tmp/oe_image_install..."
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mount "$LOOP" /tmp/oe_image_install
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touch /tmp/oe_image_install/.please_resize_me
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echo "image: unmounting part2..."
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umount "$LOOP"
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sync
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# gzip
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echo "image: compressing..."
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gzip $DISK
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# cleanup
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cleanup
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@ -28,3 +28,11 @@ mkdir -p $RELEASE_DIR/3rdparty/bootloader
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cp -PR $BUILD/bcm2835-bootloader-*/fixup_x.dat $RELEASE_DIR/3rdparty/bootloader/fixup.dat
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cp -PR $BUILD/bcm2835-bootloader-*/start_x.elf $RELEASE_DIR/3rdparty/bootloader/start.elf
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if [ "$BUILD_IMAGE" = "yes" -a -x "$BOOTLOADER_DIR/image" ] ; then
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# variables used in image script must be passed
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sudo env \
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TARGET_IMG="$TARGET_IMG" \
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IMAGE_NAME="$IMAGE_NAME" \
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RELEASE_DIR="$RELEASE_DIR" \
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$BOOTLOADER_DIR/image
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fi
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