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Atmosphere/fusee/program/update_mtc_tables.py

99 lines
4 KiB
Python

#!/usr/bin/env python
import sys, lz4, os
from struct import unpack as up
def lz4_compress(data):
try:
import lz4.block as block
except ImportError:
block = lz4.LZ4_compress
return block.compress(data, 'high_compression', store_size=False)
def read_file(fn):
with open(fn, 'rb') as f:
return f.read()
def write_file(fn, data):
with open(fn, 'wb') as f:
f.write(data)
def get_param_size(soc):
return {
'erista' : 0x1340,
'mariko' : 0x10CC,
}[soc]
def main(argc, argv):
if argc != 1:
print('Usage: %s' % argv[0])
return 1
params = {
'erista' : {},
'mariko' : {},
}
compressed_params = {
'erista' : {},
'mariko' : {},
}
for board in os.listdir('mtc_tables/bin'):
if board.startswith('T210b01Sdev'):
soc = 'mariko'
count = 3
else:
assert board.startswith('T210Sdev')
soc = 'erista'
count = 10
assert os.listdir('mtc_tables/bin/%s' % board) == ['%d.bin' % i for i in xrange(count)]
params[soc][board] = []
compressed_params[soc][board] = []
for i in xrange(count):
uncompressed = read_file(os.path.join('mtc_tables/bin/%s' % board, '%d.bin' % i))
assert len(uncompressed) == get_param_size(soc)
compressed = lz4_compress(uncompressed)
params[soc][board].append(uncompressed)
compressed_params[soc][board].append(compressed)
try:
os.makedirs('mtc_tables/lz/%s' % board)
except:
pass
write_file(os.path.join('mtc_tables/lz/%s' % board, '%d.lz4' % i), compressed)
for soc in ('erista', 'mariko'):
with open('source/mtc/fusee_mtc_tables_%s.inc' % soc, 'w') as f:
f.write('%s\n' % "/*")
f.write('%s\n' % " * Copyright (c) Atmosph\xc3\xa8re-NX")
f.write('%s\n' % " *")
f.write('%s\n' % " * This program is free software; you can redistribute it and/or modify it")
f.write('%s\n' % " * under the terms and conditions of the GNU General Public License,")
f.write('%s\n' % " * version 2, as published by the Free Software Foundation.")
f.write('%s\n' % " *")
f.write('%s\n' % " * This program is distributed in the hope it will be useful, but WITHOUT")
f.write('%s\n' % " * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or")
f.write('%s\n' % " * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for")
f.write('%s\n' % " * more details.")
f.write('%s\n' % " *")
f.write('%s\n' % " * You should have received a copy of the GNU General Public License")
f.write('%s\n' % " * along with this program. If not, see <http://www.gnu.org/licenses/>.")
f.write('%s\n' % " */")
f.write('\n')
for board in compressed_params[soc].keys():
data_1600 = params[soc][board][-1]
data_800 = params[soc][board][-4] if soc == 'erista' else ''
data_204 = params[soc][board][0] if soc == 'mariko' else params[soc][board][3]
assert up('<I', data_1600[0x40:0x44])[0] == 1600000
assert up('<I', data_204[0x40:0x44])[0] == 204000
if soc == 'erista':
assert up('<I', data_800[0x40:0x44])[0] == 800000
if soc == 'mariko':
data = lz4_compress(data_204 + data_1600)
else:
data = data_204 + data_800 + data_1600
f.write('%s\n' % ('constexpr const u8 %s[0x%03X] = {' % (board, len(data))))
while data:
block = data[:0x10]
data = data[0x10:]
f.write(' %s\n' % (', '.join('0x%02X' % ord(c) for c in block) + ','))
f.write('};\n\n')
return 0
if __name__ == '__main__':
sys.exit(main(len(sys.argv), sys.argv))