Changeset b3105ff6 in mainline for tools/mkhord.py
- Timestamp:
- 2008-08-09T20:16:47Z (17 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 838e14e2
- Parents:
- 8c25a4a
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
tools/mkhord.py
r8c25a4a rb3105ff6 34 34 import os 35 35 import struct 36 import xstruct 37 38 HEADER = xstruct.convert("little: " 39 "char[4] /* 'HORD' */ " 40 "uint8_t /* version */ " 41 "uint8_t /* encoding */ " 42 "uint32_t /* header size */ " 43 "uint64_t /* payload size */ " 44 ) 45 46 HORD_VERSION = 1 47 HORD_LSB = 1 36 48 37 49 def align_up(size, alignment): … … 53 65 54 66 align = int(sys.argv[1], 0) 67 if (align <= 0): 68 print "<ALIGNMENT> must be positive" 69 return 70 55 71 fs_image = os.path.abspath(sys.argv[2]) 56 72 if (not os.path.isfile(fs_image)): … … 61 77 outf = file(sys.argv[3], "wb") 62 78 63 header_size = align_up(18, align)64 aligned_size = align_up(os.path.getsize(fs_image), align)79 header_size = struct.calcsize(HEADER) 80 payload_size = os.path.getsize(fs_image) 65 81 66 outf.write(struct.pack("<4sBBLQ", "HORD", 1, 1, header_size, aligned_size)) 67 outf.write(struct.pack("<" + ("%d" % (header_size - 18)) + "x")) 82 header_size_aligned = align_up(header_size, align) 83 payload_size_aligned = align_up(payload_size, align) 84 85 outf.write(struct.pack(HEADER, "HORD", HORD_VERSION, HORD_LSB, header_size_aligned, payload_size_aligned)) 86 outf.write(xstruct.little_padding(header_size_aligned - header_size)) 68 87 69 88 outf.write(inf.read()) 70 89 71 padding = aligned_size - os.path.getsize(fs_image)90 padding = payload_size_aligned - payload_size 72 91 if (padding > 0): 73 outf.write( struct.pack("<" + ("%d" % padding) + "x"))92 outf.write(xstruct.little_padding(padding)) 74 93 75 94 inf.close()
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