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Diffstat (limited to 'tools/mkrdaimage.sh')
| -rwxr-xr-x | tools/mkrdaimage.sh | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/tools/mkrdaimage.sh b/tools/mkrdaimage.sh new file mode 100755 index 0000000000..c9573242b6 --- /dev/null +++ b/tools/mkrdaimage.sh @@ -0,0 +1,113 @@ +#!/bin/bash + +#bootloader layout + +#normal bootloader(for pagesize_is_power_of_2) +################################# +# # +# 48K (spl.img + padding 0) # +# # +# # +################################# +# # +# # +# 24K resevered for part table # +# (fill 0) # +# # +################################# +# # +# # +# u-boot # +# # +# # +################################# + +#pagesize not aligned bootloader(pagesize is 12288, not power_of_2) +#e.g. 12k pagesize +################################# +# # +# spl(1st 2k) # +# # +# # +################################# +# # +# 10K (padding with 0xff) # +# # +# # +################################# +# # +# spl(2nd 2k) # +# # +# # +################################# +# # +# 10K (padding with 0xff) # +# # +# # +################################# +# # +# .... # +# # +# # +################################# +# # +# spl(24th 2k) # +# # +# # +################################# +# # +# 10K (padding with 0xff) # +# # +# # +################################# +# # +# # +# 24K resevered for part table # +# (fill 0) # +# # +################################# +# # +# # +# u-boot # +# # +# # +################################# +pagesize=$1 +spl_image=$2 +uboot_image=$3 +spl_append_to=$4 +output_image=$5 +#expand the spl to whole 48k +dd if=/dev/zero ibs=1k count=48 of=spl-padding.img obs=1k conv=sync >& /dev/null +dd if=$spl_image of=spl-padding.img bs=2k conv=notrunc >& /dev/null + +temp_image=tmp_image +if [ $pagesize -eq 12288 ] +then : + #segments is the max_sizeof_spl(48K) / 2k(romcode's real pagesize) + segments=24 + i=0 + iblock=0 + oblock=0 + tr "\000" "\377" < /dev/zero | dd ibs=12k count=26 of=$temp_image conv=sync + while [ $i -lt $segments ] + do + #echo "read " "spl-padding.img" " pos " $iblock + #echo "write to " $temp_image " pos " $oblock + dd if=spl-padding.img of=$temp_image ibs=1k skip=$iblock obs=1k\ + seek=$oblock count=2 conv=notrunc >& /dev/null + i=$[$i + 1] + iblock=$[$iblock + 2] + oblock=$[$oblock + 12] + done + #echo "write to " $temp_image " pos " $oblock + dd if=/dev/zero of=$temp_image ibs=1k obs=1k seek=$oblock count=24 \ + conv=notrunc >& /dev/null +else #this is normal case + dd if=/dev/zero ibs=1k count=$spl_append_to of=$temp_image obs=1k \ + conv=sync >& /dev/null + dd if=spl-padding.img of=$temp_image bs=2k conv=notrunc >& /dev/null +fi +cat $temp_image $uboot_image > $output_image +rm -rf $temp_image spl-padding.img + |