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  • Committer: Vojtech Horky
  • Date: 2012-05-23 12:03:26 UTC
  • mfrom: (1443.1.19 misc)
  • mto: This revision was merged to the branch mainline in revision 1479.
  • Revision ID: vojtechhorky@users.sourceforge.net-20120523120326-jv50stjymxmh598s
Merge GSOC-originated patches 

Merge from lp:~vojtech-horky/helenos/misc.

The merge includes:
 * Switching to previous directory with `cd -' in Bdsh
 * Interactive mode for cp module in Bdsh
 * Implementation of sleep command
 * printf and echo for Bdsh
 * Rewrite of the mkdir module
 * Ctrl-arrow jumps over words in the editor
 * The scripts work with Python 3

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Lines of Context:
tools/mkuimage.py
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        header.arch = 2                 # ARM
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        header.img_type = 2             # Kernel
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        header.compression = 0          # None
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        header.img_name = image_name
 
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        header.img_name = image_name.encode('ascii')
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        header_crc = calc_crc32(header.pack())
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        header.header_crc = header_crc
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def calc_crc32(byteseq):
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        signed_crc = zlib.crc32(byteseq, 0)
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        if signed_crc < 0:
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                return (long(signed_crc) + (long(2) ** long(32))) # 2^32L
 
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                return signed_crc + (1 << 32)
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        else:
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                return signed_crc
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#
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def print_syntax(cmd):
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        print("syntax: " + cmd + " [<options>] <raw_image> <uImage>")
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        print
 
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        print()
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        print("\traw_image\tInput image name (raw binary data)")
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        print("\tuImage\t\tOutput uImage name (U-Boot image)")
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        print
 
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        print()
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        print("options:")
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        print("\t-name <name>\tImage name (default: 'Noname')")
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        print("\t-laddr <name>\tLoad address (default: 0x00000000)")