mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2025-10-31 03:05:48 +01:00
94 lines
4.5 KiB
Python
94 lines
4.5 KiB
Python
#!/usr/bin/env python
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import sys, lz4, os
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from struct import unpack as up
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def lz4_compress(data):
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try:
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import lz4.block as block
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except ImportError:
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block = lz4.LZ4_compress
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return block.compress(data, 'high_compression', store_size=False)
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def read_file(fn):
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with open(fn, 'rb') as f:
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return f.read()
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def write_file(fn, data):
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with open(fn, 'wb') as f:
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f.write(data)
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def get_param_size(soc):
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return {
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'erista' : 0x768,
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'mariko' : 0x838,
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}[soc]
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def main(argc, argv):
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if argc != 1:
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print('Usage: %s' % argv[0])
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return 1
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params = {
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'erista' : {},
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'mariko' : {},
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}
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compressed_params = {
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'erista' : {},
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'mariko' : {},
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}
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for fn in os.listdir('sdram_params/bin'):
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assert fn.startswith('sdram_params_') and fn.endswith('.bin')
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(_sdram, _params, soc, _id_bin) = tuple(fn.split('_'))
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param_id = int(_id_bin[:-len('.bin')])
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assert soc in params.keys()
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uncompressed = read_file(os.path.join('sdram_params/bin', fn))
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assert len(uncompressed) == get_param_size(soc)
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params[soc][param_id] = uncompressed
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for soc in ('erista', 'mariko'):
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empty_params = '\x00' * get_param_size(soc)
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for param_id in xrange(0, max(params[soc].keys()) + 4, 2):
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param_id_l = param_id
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param_id_h = param_id + 1
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if param_id_l in params[soc] or param_id_h in params[soc]:
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print soc, param_id_l, param_id_h
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param_l = params[soc][param_id_l] if param_id_l in params[soc] else empty_params
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param_h = params[soc][param_id_h] if param_id_h in params[soc] else empty_params
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compressed = lz4_compress(param_l + param_h)
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compressed_params[soc][(param_id_l, param_id_h)] = compressed
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write_file(os.path.join('sdram_params/lz', 'sdram_params_%s_%d_%d.lz4' % (soc, param_id_l, param_id_h)), compressed)
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with open('source/sdram/fusee_sdram_params.inc', 'w') as f:
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f.write('%s\n' % "/*")
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f.write('%s\n' % " * Copyright (c) Atmosph\xc3\xa8re-NX")
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f.write('%s\n' % " *")
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f.write('%s\n' % " * This program is free software; you can redistribute it and/or modify it")
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f.write('%s\n' % " * under the terms and conditions of the GNU General Public License,")
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f.write('%s\n' % " * version 2, as published by the Free Software Foundation.")
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f.write('%s\n' % " *")
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f.write('%s\n' % " * This program is distributed in the hope it will be useful, but WITHOUT")
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f.write('%s\n' % " * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or")
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f.write('%s\n' % " * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for")
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f.write('%s\n' % " * more details.")
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f.write('%s\n' % " *")
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f.write('%s\n' % " * You should have received a copy of the GNU General Public License")
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f.write('%s\n' % " * along with this program. If not, see <http://www.gnu.org/licenses/>.")
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f.write('%s\n' % " */")
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f.write('\n')
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for soc in ('Erista', 'Mariko'):
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for (param_id_l, param_id_h) in sorted(compressed_params[soc.lower()].keys(), key=lambda (l, h): l):
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compressed = compressed_params[soc.lower()][(param_id_l, param_id_h)]
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f.write('%s\n' % ('constexpr inline const u8 SdramParams%s%d_%d[0x%03X] = {' % (soc, param_id_l, param_id_h, len(compressed))))
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while compressed:
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block = compressed[:0x10]
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compressed = compressed[0x10:]
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f.write(' %s\n' % (', '.join('0x%02X' % ord(c) for c in block) + ','))
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f.write('};\n\n')
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f.write('%s\n' % ('constexpr inline const u8 * const SdramParams%s%d = SdramParams%s%d_%d;' % (soc, param_id_l, soc, param_id_l, param_id_h)))
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f.write('%s\n' % ('constexpr inline const size_t SdramParamsSize%s%d = sizeof(SdramParams%s%d_%d);' % (soc, param_id_l, soc, param_id_l, param_id_h)))
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f.write('\n')
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f.write('%s\n' % ('constexpr inline const u8 * const SdramParams%s%d = SdramParams%s%d_%d;' % (soc, param_id_h, soc, param_id_l, param_id_h)))
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f.write('%s\n' % ('constexpr inline const size_t SdramParamsSize%s%d = sizeof(SdramParams%s%d_%d);' % (soc, param_id_h, soc, param_id_l, param_id_h)))
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f.write('\n')
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return 0
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if __name__ == '__main__':
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sys.exit(main(len(sys.argv), sys.argv))
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