diff options
Diffstat (limited to 'firmware/microblaze/u2_flash_tool')
-rwxr-xr-x | firmware/microblaze/u2_flash_tool | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/firmware/microblaze/u2_flash_tool b/firmware/microblaze/u2_flash_tool deleted file mode 100755 index 2b66a4ac0..000000000 --- a/firmware/microblaze/u2_flash_tool +++ /dev/null @@ -1,116 +0,0 @@ -#!/usr/bin/env python - -import sys -from optparse import OptionParser - -SECTOR_SIZE = 512 # bytes -MAX_FILE_SIZE = 1 * (2**20) # maximum number of bytes we'll burn to a slot - -FPGA_OFFSET = 0 # offset in flash to fpga image -FIRMWARE_OFFSET = 1 * (2**20) # offset in flash to firmware image - -def read_file_data(filename): - f = open(filename, "rb") - file_data = f.read(MAX_FILE_SIZE) - t = len(file_data) % SECTOR_SIZE - if t != 0: - file_data += (SECTOR_SIZE - t)*chr(0) # pad to an even sector size w/ zeros - return file_data - - -def write_flash(offset, filename, devname): - file_data = read_file_data(filename) - dev = open(devname, "wb") - dev.seek(offset, 0) # seek to absolute byte offset - dev.write(file_data) - dev.flush() - dev.close() - return True - - -def verify_flash(offset, filename, devname): - file_data = read_file_data(filename) - dev = open(devname, "rb") - dev.seek(offset, 0) # seek to absolute byte offset - dev_data = dev.read(len(file_data)) - if len(dev_data) != len(file_data): - sys.stderr.write("short read on device %s\n" % (devname,)) - return False - - if file_data == dev_data: - return True - - # doesn't match - nwrong = 0 - for i in range(len(file_data)): - if dev_data[i] != file_data[i]: - sys.stderr.write("mismatch at offset %7d. Expected 0x%02x, got 0x%02x\n" % ( - i, ord(file_data[i]), ord(dev_data[i]))) - nwrong += 1 - if nwrong > 16: - sys.stderr.write("> 16 errors, stopping comparison\n") - break - return False - -def read_flash(offset, filename, devname): - dev = open(devname, "rb") - dev.seek(offset, 0) # seek to absolute byte offset - dev_data = dev.read(MAX_FILE_SIZE) - dev.close() - open(filename, "wb").write(dev_data) - - -def main(): - parser = OptionParser(usage="%prog: [options] filename") - parser.add_option("-w", "--write", action="store_const", const="write", dest="mode", - help="write FILE to TARGET slot") - parser.add_option("-v", "--verify", action="store_const", const="verify", dest="mode", - help="verify FILE against TARGET slot") - parser.add_option("-r", "--read", action="store_const", const="read", dest="mode", - help="read TARGET slot, write to FILE") - parser.add_option("-t", "--target", type="choice", choices=("fpga", "s/w"), default="s/w", - help="select TARGET slot from: fpga, s/w [default=%default]") - parser.add_option("", "--dev", default=None, - help="specify flash device file, e.g., /dev/sdb. Be careful!") - parser.set_defaults(target="s/w", mode=None) - - (options, args) = parser.parse_args() - if len(args) != 1: - parser.print_help() - raise SystemExit - - filename = args[0] - - if options.mode is None: - sys.stderr.write("specify mode with -w, -v or -r\n") - parser.print_help() - raise SystemExit - - if options.dev is None: - sys.stderr.write("specify the device file with --dev\n") - parser.print_help() - raise SystemExit - - offset = { "fpga" : FPGA_OFFSET, "s/w" : FIRMWARE_OFFSET }[options.target] - - if options.mode == "write": - r = (write_flash(offset, filename, options.dev) - and verify_flash(offset, filename, options.dev)) - elif options.mode == "verify": - r = verify_flash(offset, filename, options.dev) - elif options.mode == "read": - r = read_flash(offset, filename, options.dev) - else: - raise NotImplemented - - if not r: - raise SystemExit, 1 - - -if __name__ == "__main__": - main() - - - - - |