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Code Issues Releases Wiki Activity

update chroot script, use the image directly

pull/10/head
Raphaël Vinot 2013-03-26 18:13:35 +01:00
parent 8dda6d7d97
commit e7dc87023a
2 changed files with 78 additions and 4 deletions
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28
proper_chroot.sh
View File

@ -3,13 +3,21 @@
set -e
set -x
PARTITION='/dev/mmcblk0p2'
# If you use a partition...
PARTITION_ROOTFS='/dev/mmcblk0p2'
PARTITION_BOOT='/dev/mmcblk0p1'
# If you use the img
IMAGE='2013-02-09-wheezy-raspbian.img'
OFFSET_ROOTFS=$((122880 * 512))
OFFSET_BOOT=$((8192 * 512))
CHROOT_PATH='/mnt/arm_rPi'
clean(){
mv ${CHROOT_PATH}/etc/ld.so.preload_bkp ${CHROOT_PATH}/etc/ld.so.preload
rm ${CHROOT_PATH}/etc/resolv.conf
rm ${CHROOT_PATH}/usr/bin/qemu-static-arm*
rm ${CHROOT_PATH}/usr/bin/qemu*arm*
umount ${CHROOT_PATH}/dev/pts
umount ${CHROOT_PATH}/dev/shm
@ -17,6 +25,7 @@ clean(){
umount ${CHROOT_PATH}/proc
umount ${CHROOT_PATH}/sys
umount ${CHROOT_PATH}/tmp
umount ${CHROOT_PATH}/boot
umount ${CHROOT_PATH}
rm -rf ${CHROOT_PATH}
@ -25,9 +34,20 @@ clean(){
trap clean EXIT TERM INT
mkdir -p ${CHROOT_PATH}
mount ${PARTITION} ${CHROOT_PATH}
cp /usr/bin/qemu-static-arm* ${CHROOT_PATH}/usr/bin/
if [ -a ${IMAGE} ]; then
mount -o loop,offset=${OFFSET_ROOTFS} ${IMAGE} ${CHROOT_PATH}
mount -o loop,offset=${OFFSET_BOOT} ${IMAGE} ${CHROOT_PATH}/boot
elif [ -a ${PARTITION_ROOTFS} ]; then
mount ${PARTITION_ROOTFS} ${CHROOT_PATH}
mount ${PARTITION_BOOT} ${CHROOT_PATH}/boot
else
print 'You need a SD card or an image'
exit
fi
cp /usr/bin/qemu*arm* ${CHROOT_PATH}/usr/bin/
mount -o bind /dev ${CHROOT_PATH}/dev
mount -o bind /dev/pts ${CHROOT_PATH}/dev/pts

54
resize_img.md Normal file
View File

@ -0,0 +1,54 @@
dd if=/dev/zero bs=1024k count=2048 >> 2013-02-09-wheezy-raspbian.img
fdisk 2013-02-09-wheezy-raspbian.img
Command (m for help): m
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)
Command (m for help): p
Disk 2013-02-09-wheezy-raspbian.img: 4087 MB, 4087349248 bytes
255 heads, 63 sectors/track, 496 cylinders, total 7983104 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00014d34
Device Boot Start End Blocks Id System
2013-02-09-wheezy-raspbian.img1 8192 122879 57344 c W95 FAT32 (LBA)
2013-02-09-wheezy-raspbian.img2 122880 3788799 1832960 83 Linux
Command (m for help): d
Partition number (1-4): 2
Command (m for help): n
Partition type:
p primary (1 primary, 0 extended, 3 free)
e extended
Select (default p): p
Partition number (1-4, default 2): 2
First sector (2048-7983103, default 2048): 122880
Last sector, +sectors or +size{K,M,G} (122880-7983103, default 7983103):
Using default value 7983103
Command (m for help): w
The partition table has been altered!
Syncing disks.