mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-15 09:20:37 +02:00
41 lines
862 B
Python
41 lines
862 B
Python
|
#!/usr/bin/env python
|
||
|
|
|
||
|
|
"""
|
||
|
|
Create firmware for 8MB Bifferboards
|
||
|
|
Firmware does not include the config blocks
|
||
|
|
Firmware starts just after config
|
||
|
|
"""
|
||
|
|
|
||
|
|
import struct, sys
|
||
|
|
|
||
|
|
kernel_extent = 0x200000
|
||
|
|
config = 0x6000
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
|
||
|
|
if len(sys.argv) != 4:
|
||
|
|
print "usage: mkimg_bifferboard.py <kernel> <64k JFFS> <output file>"
|
||
|
|
sys.exit(0)
|
||
|
|
|
||
|
|
bzimage = sys.argv[1]
|
||
|
|
rootfs = sys.argv[2]
|
||
|
|
target = sys.argv[3]
|
||
|
|
|
||
|
|
# Kernel first
|
||
|
|
fw = file(bzimage).read()
|
||
|
|
if len(fw) > (kernel_extent - config):
|
||
|
|
raise IOError("Kernel too large")
|
||
|
|
|
||
|
|
# Pad up to 0x200000
|
||
|
|
while len(fw) < (kernel_extent - config):
|
||
|
|
fw += "\xff"
|
||
|
|
|
||
|
|
fw += file(rootfs).read()
|
||
|
|
|
||
|
|
# Check length of total
|
||
|
|
if len(fw) > (0x800000 - 0x10000 - 0x6000):
|
||
|
|
raise IOError("Rootfs too large")
|
||
|
|
|
||
|
|
file(target,"wb").write(fw)
|
||
|
|
print "Firmware written to '%s'" % target
|