tacit/minix
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

arm_sdimage.sh: use native minix partition util

Browse Source 
. make filesystems on primary partitions so it's a bit
	  easier for the minix partitioning tool
	. so sfdisk isn't required as an external tool

Change-Id: I023b448fbd49453563c57a7439b30337fce3c030
This commit is contained in:
Ben Gras 2013-09-26 13:42:31 +02:00
parent 02f6308a2b
commit ce305f03f5
2 changed files with 16 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
releasetools/arm_sdimage.sh
View File

@ -51,7 +51,7 @@ fi
export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:$PATH
for needed in sfdisk mcopy dd wget mkfs.vfat
for needed in mcopy dd wget mkfs.vfat
do
if ! which $needed 2>&1 > /dev/null
then
@ -95,22 +95,19 @@ sh ${BUILDSH} -V SLOPPY_FLIST=yes -V MKBINUTILS=yes -V MKGCCCMDS=yes -j ${JOBS}
# All sized are written in 512 byte blocks
#
# we create a disk image of about 2 gig's
# for alignement reasons, prefer sizes which are multiples of 4096 bytes
#
: ${IMG_SIZE= $(( 2*(2**30) / 512))}
: ${FAT_SIZE= $(( 10*(2**20) / 512))}
: ${ROOT_SIZE=$(( 64*(2**20) / 512))}
: ${HOME_SIZE=$(( 128*(2**20) / 512))}
: ${USR_SIZE= $((1536*(2**20) / 512))}
: ${IMG_SIZE=$(( 2*(2**30) / 512))}
: ${FAT_SIZE=$(( 10*(2**20) / 512))}
: ${ROOT_SIZE=$(( 64*(2**20) / 512))}
: ${HOME_SIZE=$(( 128*(2**20) / 512))}
: ${USR_SIZE=$(( 1536*(2**20) / 512))}
#
# create a fstab entry in /etc this is normally done during the
# setup phase on x86
#
cat >${FSTAB} <<END_FSTAB
/dev/c0d0p1s0 / mfs rw 0 1
/dev/c0d0p1s1 /home mfs rw 0 2
/dev/c0d0p1s2 /usr mfs rw 0 2
/dev/c0d0p2 /home mfs rw 0 2
/dev/c0d0p3 /usr mfs rw 0 2
END_FSTAB
rm -f ${DESTDIR}/SETS.*
@ -131,38 +128,16 @@ dd if=/dev/zero of=${IMG_DIR}/usr.img bs=512 count=1 seek=$(($USR_SIZE -1)) 2>/d
#
dd if=/dev/zero of=${IMG} bs=512 count=1 seek=$(($IMG_SIZE -1))
#
# Do some math to determine the start addresses of the partitions.
# Ensure the start of the partitions are always aligned, the end will
# always be as we assume the sizes are multiples of 4096 bytes, which
# is always true as soon as you have an integer multiple of 1MB.
#
# Don't leave holes so the 'partition' invocation later is easy.
FAT_START=2048
EXTENDED_START=$(($FAT_START + $FAT_SIZE))
EXTENDED_START=$(($EXTENDED_START + 8 - ($EXTENDED_START % 8)))
ROOT_START=$(($EXTENDED_START + 1))
ROOT_START=$(($ROOT_START + 8 - ($ROOT_START % 8)))
HOME_START=$(($ROOT_START + $ROOT_SIZE + 1))
HOME_START=$(($HOME_START + 8 - ($HOME_START % 8)))
USR_START=$(($HOME_START + $HOME_SIZE + 1))
USR_START=$(($USR_START + 8 - ($USR_START % 8)))
EXTENDED_SIZE=$(($USR_START + $USR_SIZE - $EXTENDED_START))
ROOT_START=$(($FAT_START + $FAT_SIZE))
HOME_START=$(($ROOT_START + $ROOT_SIZE))
USR_START=$(($HOME_START + $HOME_SIZE))
#
# Generate the partitions using sfdisk to partition the
#
sfdisk -L --force --no-reread -q ${IMG} 1>/dev/null <<END_SFDISK
# partition table of test.img
unit: sectors
test.img1 : start= $FAT_START, size= $FAT_SIZE, Id= c, bootable
test.img2 : start= $EXTENDED_START, size= $EXTENDED_SIZE, Id= 5
test.img3 : start= 0, size= 0, Id= 0
test.img4 : start= 0, size= 0, Id= 0
test.img5 : start= $ROOT_START, size= $ROOT_SIZE, Id=81
test.img6 : start= $HOME_START, size= $HOME_SIZE, Id=81
test.img7 : start= $USR_START, size= $USR_SIZE, Id=81
END_SFDISK
# Write the partition table using the natively compiled
# minix partition utility
${CROSS_TOOLS}/nbpartition -m ${IMG} ${FAT_START} "c:${FAT_SIZE}*" 81:${ROOT_SIZE} 81:${HOME_SIZE} 81:${USR_SIZE}
#
# Format the fat partition and put the bootloaders

2
releasetools/gen_cmdline.txt.sh
View File

@ -27,4 +27,4 @@ do
done
echo console=$CONSOLE rootdevname=c0d0p1s0 verbose=$VERBOSE hz=$HZ
echo console=$CONSOLE rootdevname=c0d0p1 verbose=$VERBOSE hz=$HZ