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Ignore whitespace Rev 3243 → Rev 3244

/trunk/tools/mktmpfs.py
34,10 → 34,6
import os
import struct
 
def align_up(size, alignment):
"Align upwards to a given alignment"
return (((size) + ((alignment) - 1)) & ~((alignment) - 1))
 
def usage(prname):
"Print usage syntax"
print prname + " <ALIGNMENT> <PATH> <IMAGE>"
76,40 → 72,22
return payload_size
 
def main():
if (len(sys.argv) < 4):
if (len(sys.argv) < 3):
usage(sys.argv[0])
return
if (not sys.argv[1].isdigit()):
print "<ALIGNMENT> must be a number"
return
align = int(sys.argv[1], 0)
path = os.path.abspath(sys.argv[2])
path = os.path.abspath(sys.argv[1])
if (not os.path.isdir(path)):
print "<PATH> must be a directory"
return
header_size = align_up(18, align)
outf = file(sys.argv[3], "w")
outf.write(struct.pack("<" + ("%d" % header_size) + "x"))
outf = file(sys.argv[2], "w")
outf.write(struct.pack("<5s", "TMPFS"))
payload_size = 5
payload_size += recursion(path, outf)
recursion(path, outf)
outf.write(struct.pack("<BL", 0, 0))
payload_size += 5
aligned_size = align_up(payload_size, align)
if (aligned_size - payload_size > 0):
outf.write(struct.pack("<" + ("%d" % (aligned_size - payload_size)) + "x"))
 
outf.close()
outf.seek(0)
outf.write(struct.pack("<4sBBLQ", "HORD", 1, 1, header_size, aligned_size))
outf.close()
 
if __name__ == '__main__':
main()
/trunk/tools/mkhord.py
0,0 → 1,81
#!/usr/bin/env python
#
# Copyright (c) 2008 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
"""
HORD encapsulator
"""
 
import sys
import os
import struct
 
def align_up(size, alignment):
"Align upwards to a given alignment"
return (((size) + ((alignment) - 1)) & ~((alignment) - 1))
 
 
def usage(prname):
"Print usage syntax"
print prname + " <ALIGNMENT> <FS_IMAGE> <HORD_IMAGE>"
 
def main():
if (len(sys.argv) < 4):
usage(sys.argv[0])
return
if (not sys.argv[1].isdigit()):
print "<ALIGNMENT> must be a number"
return
align = int(sys.argv[1], 0)
fs_image = os.path.abspath(sys.argv[2])
if (not os.path.isfile(fs_image)):
print "<FS_IMAGE> must be a directory"
return
inf = file(fs_image, "rb")
outf = file(sys.argv[3], "wb")
 
header_size = align_up(18, align)
aligned_size = align_up(os.path.getsize(fs_image), align)
 
outf.write(struct.pack("<4sBBLQ", "HORD", 1, 1, header_size, aligned_size))
outf.write(struct.pack("<" + ("%d" % (header_size - 18)) + "x"))
outf.write(inf.read())
padding = aligned_size - os.path.getsize(fs_image)
if (padding > 0):
outf.write(struct.pack("<" + ("%d" % padding) + "x"))
inf.close()
outf.close()
 
if __name__ == '__main__':
main()
Property changes:
Added: svn:executable
+*
\ No newline at end of property