#!/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 type='hidden' name='id' value='c03f264f6d8a00249ab86574884c615ea8fda5a4'/><select name='h' onchange='this.form.submit();'> <option value='attitude_adjustment'>attitude_adjustment</option> <option value='barrier_breaker'>barrier_breaker</option> <option value='chaos_calmer'>chaos_calmer</option> <option value='lede-17.01'>lede-17.01</option> <option value='less-old-master'>less-old-master</option> <option value='master'>master</option> <option value='old-master'>old-master</option> <option value='openwrt-18.06'>openwrt-18.06</option> <option value='openwrt-19.07'>openwrt-19.07</option> <option value='upstream'>upstream</option> </select> <input type='submit' value='switch'/></form></td></tr> <tr><td class='sub'>upstream openwrt</td><td class='sub right'>James</td></tr></table> <table class='tabs'><tr><td> <a href='/cgit/openwrt/upstream/about/?h=v22.03.5'>about</a><a href='/cgit/openwrt/upstream/?h=v22.03.5'>summary</a><a href='/cgit/openwrt/upstream/refs/?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>refs</a><a href='/cgit/openwrt/upstream/log/target/linux/mpc85xx/generic/target.mk?h=v22.03.5'>log</a><a class='active' href='/cgit/openwrt/upstream/tree/target/linux/mpc85xx/generic/target.mk?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>tree</a><a href='/cgit/openwrt/upstream/commit/target/linux/mpc85xx/generic/target.mk?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>commit</a><a href='/cgit/openwrt/upstream/diff/target/linux/mpc85xx/generic/target.mk?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>diff</a><a href='/cgit/openwrt/upstream/stats/target/linux/mpc85xx/generic/target.mk?h=v22.03.5'>stats</a></td><td class='form'><form class='right' method='get' action='/cgit/openwrt/upstream/log/target/linux/mpc85xx/generic/target.mk'> <input type='hidden' name='h' value='v22.03.5'/><input type='hidden' name='id' value='c03f264f6d8a00249ab86574884c615ea8fda5a4'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit/openwrt/upstream/tree/?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>root</a>/<a href='/cgit/openwrt/upstream/tree/target?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>target</a>/<a href='/cgit/openwrt/upstream/tree/target/linux?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>linux</a>/<a href='/cgit/openwrt/upstream/tree/target/linux/mpc85xx?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>mpc85xx</a>/<a href='/cgit/openwrt/upstream/tree/target/linux/mpc85xx/generic?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>generic</a>/<a href='/cgit/openwrt/upstream/tree/target/linux/mpc85xx/generic/target.mk?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>target.mk</a></div><div class='content'>blob: f8a79a7b9038354e47794792e0a91d7824e04b11 (<a href='/cgit/openwrt/upstream/plain/target/linux/mpc85xx/generic/target.mk?h=v22.03.5&id=c03f264f6d8a00249ab86574884c615ea8fda5a4'>plain</a>) <table summary='blob content' class='blob'> <tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a> <a id='n2' href='#n2'>2</a> <a id='n3' href='#n3'>3</a> <a id='n4' href='#n4'>4</a> <a id='n5' href='#n5'>5</a> <a id='n6' href='#n6'>6</a> </pre></td> <td class='lines'><pre><code>