forked from Imagelibrary/rtems
87 lines
2.2 KiB
Bash
87 lines
2.2 KiB
Bash
# we store all generated files here.
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TMPDIR=tmp_sdcard_dir.$$
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FATIMG=$TMPDIR/bbxm_boot_fat.img
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SIZE=65536
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OFFSET=2048
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FATSIZE=`expr $SIZE - $OFFSET`
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UENV=uEnv.txt
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rm -rf $TMPDIR
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mkdir -p $TMPDIR
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trap 'rm -rf $TMPDIR' EXIT
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if [ $# -ne 3 ]
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then echo "Usage: $0 <RTEMS prefix> <RTEMS executable> <Device Tree Blob>"
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exit 1
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fi
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PREFIX=$1
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if [ ! -d "$PREFIX" ]
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then echo "This script needs the RTEMS tools bindir as the first argument."
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exit 1
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fi
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executable=$2
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case "$2" in
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*beagleboard*)
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ubootcfg=omap3_beagle
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imgtype=bb
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;;
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*beaglebone*)
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ubootcfg=am335x_evm
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imgtype=bone
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;;
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*)
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echo "Can't guess which uboot to use - please specify full path to executable."
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exit 1
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;;
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esac
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dtb="$3"
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app=rtems-app.img
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if [ ! -f "$executable" ]
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then echo "Expecting RTEMS executable as arg; $executable not found."
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exit 1
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fi
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set -e
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IMG=${imgtype}_`basename $2`-sdcard.img
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# Make an empty image
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dd if=/dev/zero of=$IMG bs=512 seek=`expr $SIZE - 1` count=1
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dd if=/dev/zero of=$FATIMG bs=512 seek=`expr $FATSIZE - 1` count=1
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# Make an ms-dos FS on it
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$PREFIX/bin/newfs_msdos -r 1 -m 0xf8 -c 4 -F16 -h 64 -u 32 -S 512 -s $FATSIZE -o 0 ./$FATIMG
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# Prepare the executable.
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base=`basename $executable`
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$PREFIX/bin/arm-rtems5-objcopy $executable -O binary $TMPDIR/$base.bin
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gzip -9 $TMPDIR/$base.bin
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$PREFIX/bin/mkimage -A arm -O rtems -T kernel -a 0x80000000 -e 0x80000000 -n RTEMS -d $TMPDIR/$base.bin.gz $TMPDIR/$app
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echo "setenv bootdelay 5
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uenvcmd=run boot
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boot=fatload mmc 0 0x80800000 $app ; fatload mmc 0 0x88000000 $(basename "$dtb") ; bootm 0x80800000 - 0x88000000" >$TMPDIR/$UENV
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# Copy the uboot and app image onto the FAT image
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$PREFIX/bin/mcopy -bsp -i $FATIMG $PREFIX/uboot/$ubootcfg/MLO ::MLO
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$PREFIX/bin/mcopy -bsp -i $FATIMG $PREFIX/uboot/$ubootcfg/u-boot.img ::u-boot.img
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$PREFIX/bin/mcopy -bsp -i $FATIMG $TMPDIR/$app ::$app
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$PREFIX/bin/mcopy -bsp -i $FATIMG $TMPDIR/$UENV ::$UENV
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# Copy DTB
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$PREFIX/bin/mcopy -bsp -i $FATIMG "$dtb" ::"$(basename "$dtb")"
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# Just a single FAT partition (type C) that uses all of the image
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$PREFIX/bin/partition -m $IMG $OFFSET c:${FATSIZE}\*
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# Put the FAT image into the SD image
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dd if=$FATIMG of=$IMG seek=$OFFSET
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echo "Result is in $IMG."
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