Editing Making Isolated SPU Modules and Loaders

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# entry point is 0x880 which is in first program segment at file offset 0x100
# entry point is 0x880 which is in first program segment at file offset 0x100


# now we kill all old code and data with 0s before we put our code there.
# now we kill all old code with 0s before we put our code there.
# seek parameter is the offset of the first program segment.
# seek parameter is the offset of the first program segment.
# count parameter is the sum of the offset of the last program segment plus its size and
# count parameter is the sum of the offset of the last program segment plus its size and
# minus the offset of the first program segmnet.
# minus the offset of the first program segmnet.


# killing old code and data with 0s is a good idea because 0x00000000 means stop opcode.
# killing old code with 0s is a good idea because 0x00000000 means stop opcode.


dd if=/dev/zero of=dump_ata_keys.elf bs=1 seek=$((0x100)) count=$((0x51b0 + 0x34 - 0x100)) conv=notrunc
dd if=/dev/zero of=dump_ata_keys.elf bs=1 seek=$((0x100)) count=$((0x51b0 + 0x34 - 0x100)) conv=notrunc
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