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Make chibdb.py able to generate pure binary output

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This commit is contained in:
Miodrag Milanovic 2018-07-03 20:14:49 +02:00
parent 5ca76461da
commit ec9a9de6d3
1 changed files with 27 additions and 5 deletions
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32
ice40/chipdb.py
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@ -3,6 +3,14 @@
import sys import sys
import re import re
import textwrap import textwrap
import argparse
parser = argparse.ArgumentParser(description="convert ICE40 chip database")
group = parser.add_mutually_exclusive_group()
group.add_argument("-b", "--binary", action="store_true")
group.add_argument("-c", "--c_file", action="store_true")
parser.add_argument("filename", type=str, help="chipdb input filename")
args = parser.parse_args()
endianness = "le" endianness = "le"
nodebug = True nodebug = True
@ -212,7 +220,7 @@ def init_tiletypes(device):
tile_sizes = {i: (0, 0) for i in range(num_tile_types)} tile_sizes = {i: (0, 0) for i in range(num_tile_types)}
tile_bits = [[] for _ in range(num_tile_types)] tile_bits = [[] for _ in range(num_tile_types)]
with open(sys.argv[1], "r") as f: with open(args.filename, "r") as f:
mode = None mode = None
for line in f: for line in f:
@ -855,6 +863,11 @@ class BinaryBlobAssembler:
column = 0 column = 0
print("\";", file=f) print("\";", file=f)
def write_binary(self, f):
assert self.finalized
assert self.data[len(self.data)-1] == 0
f.buffer.write(self.data)
bba = BinaryBlobAssembler("chipdb_blob_%s" % dev_name, endianness) bba = BinaryBlobAssembler("chipdb_blob_%s" % dev_name, endianness)
bba.r("chip_info_%s" % dev_name, "chip_info") bba.r("chip_info_%s" % dev_name, "chip_info")
@ -1131,12 +1144,21 @@ bba.r("package_info_%s" % dev_name, "packages_data")
bba.finalize() bba.finalize()
print('#include "nextpnr.h"') if args.c_file:
print('NEXTPNR_NAMESPACE_BEGIN') print('#include "nextpnr.h"')
print('NEXTPNR_NAMESPACE_BEGIN')
if args.binary:
bba.write_binary(sys.stdout)
if args.c_file:
bba.write_string_c(sys.stdout)
bba.write_string_c(sys.stdout)
# bba.write_uint64_c(sys.stdout) # bba.write_uint64_c(sys.stdout)
# bba.write_compact_c(sys.stdout, "uint8_t") # bba.write_compact_c(sys.stdout, "uint8_t")
# bba.write_verbose_c(sys.stdout, "uint8_t") # bba.write_verbose_c(sys.stdout, "uint8_t")
print('NEXTPNR_NAMESPACE_END') if args.c_file:
print('NEXTPNR_NAMESPACE_END')