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author | Florian Fainelli <florian@openwrt.org> | 2012-10-15 18:54:34 +0000 |
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committer | Florian Fainelli <florian@openwrt.org> | 2012-10-15 18:54:34 +0000 |
commit | 60ecd5fe04ebeaefedad4d06a756bc46bc772638 (patch) | |
tree | cb27c78b5cfd83c4c28d0b9c1426b4d44307d0a9 /target/linux/x86/image/mkimg_bifferboard.py | |
parent | 160c2ef0118472b7178d432216ee10aa2df48fe1 (diff) | |
download | mtk-20170518-60ecd5fe04ebeaefedad4d06a756bc46bc772638.zip mtk-20170518-60ecd5fe04ebeaefedad4d06a756bc46bc772638.tar.gz mtk-20170518-60ecd5fe04ebeaefedad4d06a756bc46bc772638.tar.bz2 |
merge the RDC R-321x target as a subtarget of x86
SVN-Revision: 33779
Diffstat (limited to 'target/linux/x86/image/mkimg_bifferboard.py')
-rwxr-xr-x | target/linux/x86/image/mkimg_bifferboard.py | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/x86/image/mkimg_bifferboard.py b/target/linux/x86/image/mkimg_bifferboard.py new file mode 100755 index 0000000..5444abe --- /dev/null +++ b/target/linux/x86/image/mkimg_bifferboard.py @@ -0,0 +1,50 @@ +#!/usr/bin/env python + +""" + Create firmware for 4/8MB Bifferboards, suitable for uploading using + either bb_upload8.py or bb_eth_upload8.py +""" + +import struct, sys + +# Increase the kmax value if the script gives errors about the kernel being +# too large. You need to set the Biffboot kmax value to the same value you +# use here. +kmax = 0x10 + +# No need to change this for 4MB devices, it's only used to tell you if +# the firmware is too large! +flash_size = 0x800000 + +# This is always the same, for 1MB, 4MB and 8MB devices +config_extent = 0x6000 + +kernel_extent = kmax * 0x10000 + +if __name__ == "__main__": + + if len(sys.argv) != 4: + print "usage: mkimg_bifferboard.py <kernel> <rootfs> <output file>" + sys.exit(-1) + + bzimage = sys.argv[1] + rootfs = sys.argv[2] + target = sys.argv[3] + + # Kernel first + fw = file(bzimage).read() + if len(fw) > (kernel_extent - config_extent): + raise IOError("Kernel too large") + + # Pad up to end of kernel partition + while len(fw) < (kernel_extent - config_extent): + fw += "\xff" + + fw += file(rootfs).read() + + # Check length of total + if len(fw) > (flash_size - 0x10000 - config_extent): + raise IOError("Rootfs too large") + + file(target,"wb").write(fw) + print "Firmware written to '%s'" % target |