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| Rev 3245 | Rev 3259 | ||
|---|---|---|---|
| Line 36... | Line 36... | ||
| 36 | 36 | ||
| 37 | def align_up(size, alignment): |
37 | def align_up(size, alignment): |
| 38 | "Align upwards to a given alignment" |
38 | "Align upwards to a given alignment" |
| 39 | return (((size) + ((alignment) - 1)) & ~((alignment) - 1)) |
39 | return (((size) + ((alignment) - 1)) & ~((alignment) - 1)) |
| 40 | 40 | ||
| 41 | - | ||
| 42 | def usage(prname): |
41 | def usage(prname): |
| 43 | "Print usage syntax" |
42 | "Print usage syntax" |
| 44 | print prname + " <ALIGNMENT> <FS_IMAGE> <HORD_IMAGE>" |
43 | print prname + " <ALIGNMENT> <FS_IMAGE> <HORD_IMAGE>" |
| 45 | 44 | ||
| 46 | def main(): |
45 | def main(): |
| Line 58... | Line 57... | ||
| 58 | print "<FS_IMAGE> must be a file" |
57 | print "<FS_IMAGE> must be a file" |
| 59 | return |
58 | return |
| 60 | 59 | ||
| 61 | inf = file(fs_image, "rb") |
60 | inf = file(fs_image, "rb") |
| 62 | outf = file(sys.argv[3], "wb") |
61 | outf = file(sys.argv[3], "wb") |
| 63 | 62 | ||
| 64 | header_size = align_up(18, align) |
63 | header_size = align_up(18, align) |
| 65 | aligned_size = align_up(os.path.getsize(fs_image), align) |
64 | aligned_size = align_up(os.path.getsize(fs_image), align) |
| 66 | - | ||
| 67 | 65 | ||
| 68 | outf.write(struct.pack("<4sBBLQ", "HORD", 1, 1, header_size, aligned_size)) |
66 | outf.write(struct.pack("<4sBBLQ", "HORD", 1, 1, header_size, aligned_size)) |
| 69 | outf.write(struct.pack("<" + ("%d" % (header_size - 18)) + "x")) |
67 | outf.write(struct.pack("<" + ("%d" % (header_size - 18)) + "x")) |
| 70 | 68 | ||
| 71 | outf.write(inf.read()) |
69 | outf.write(inf.read()) |