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author | Josh Blum <josh@joshknows.com> | 2010-12-22 19:19:14 -0800 |
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committer | Josh Blum <josh@joshknows.com> | 2010-12-22 19:19:14 -0800 |
commit | 22ed61f97815856bf74cec25ae6bca88bfbe5f44 (patch) | |
tree | 7d87d49b46f9507ff10486097e6d79e4bee4cb81 /firmware/zpu/bin/bin_to_ram_macro_init.py | |
parent | 71fc99d006f2347a356c5339905593f64ff902ec (diff) | |
download | uhd-22ed61f97815856bf74cec25ae6bca88bfbe5f44.tar.gz uhd-22ed61f97815856bf74cec25ae6bca88bfbe5f44.tar.bz2 uhd-22ed61f97815856bf74cec25ae6bca88bfbe5f44.zip |
zpu: renamed the directory for the usrp2 fw to zpu to reflect the cpu type
Diffstat (limited to 'firmware/zpu/bin/bin_to_ram_macro_init.py')
-rwxr-xr-x | firmware/zpu/bin/bin_to_ram_macro_init.py | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/firmware/zpu/bin/bin_to_ram_macro_init.py b/firmware/zpu/bin/bin_to_ram_macro_init.py new file mode 100755 index 000000000..65cf2dbdf --- /dev/null +++ b/firmware/zpu/bin/bin_to_ram_macro_init.py @@ -0,0 +1,48 @@ +#!/usr/bin/env python + +import struct +import sys + +def do_8_words(ofile, which_ram, row, words): + ofile.write("defparam bootram.RAM%d.INIT_%02X=256'h" % (which_ram, row)) + ofile.write("%08x_%08x_%08x_%08x_%08x_%08x_%08x_%08x;\n" % ( + words[7], words[6], words[5], words[4], words[3], words[2], words[1], words[0])) + +def bin_to_ram_macro_init(bin_input_file, ram_init_output_file): + ifile = open(bin_input_file, 'rb') + ofile = open(ram_init_output_file, 'w') + idata = ifile.read() + fmt = ">%dI" % ((len(idata) / 4),) + words = struct.unpack(fmt, idata) + + # pad to a multiple of 8 words + r = len(words) % 8 + if r != 0: + words += (8 - r) * (0,) + + if len(words) > 2048: + sys.stderr.write("bin_to_macro_init: error: input file %s is > 8KiB\n" % (bin_input_file,)) + sys.exit(1) + + # first 2KB + for i in range(0, min(512, len(words)), 8): + do_8_words(ofile, 0, i/8, words[i:i+8]) + + # second 2KB + for i in range(512, min(1024, len(words)), 8): + do_8_words(ofile, 1, (i/8) % 64, words[i:i+8]) + + # third 2KB + for i in range(1024, min(1536, len(words)), 8): + do_8_words(ofile, 2, (i/8) % 64, words[i:i+8]) + + # last 2KB + for i in range(1536, len(words), 8): + do_8_words(ofile, 3, (i/8) % 64, words[i:i+8]) + +if __name__ == '__main__': + if len(sys.argv) != 3: + sys.stderr.write("usage: bin_to_ram_macro_init bin_input_file ram_init_output_file\n") + sys.exit(1) + + bin_to_ram_macro_init(sys.argv[1], sys.argv[2]) |