# Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or # implied. # See the License for the specific language governing permissions and # limitations under the License. from __future__ import absolute_import, division, print_function import pytest import six from cryptography.hazmat.primitives import constant_time class TestConstantTimeBytesEq(object): def test_reject_unicode(self): with pytest.raises(TypeError): constant_time.bytes_eq(b"foo", six.u("foo")) with pytest.raises(TypeError): constant_time.bytes_eq(six.u("foo"), b"foo") with pytest.raises(TypeError): constant_time.bytes_eq(six.u("foo"), six.u("foo")) def test_compares(self): assert constant_time.bytes_eq(b"foo", b"foo") is True assert constant_time.bytes_eq(b"foo", b"bar") is False assert constant_time.bytes_eq(b"foobar", b"foo") is False assert constant_time.bytes_eq(b"foo", b"foobar") is False 40/yosys/log/techlibs/ice40/brams_init.py'>logtreecommitdiffstats
path: root/techlibs/ice40/brams_init.py
blob: 4a1485110bb37756ff6f472f2c719255774609a7 (plain) 
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#!/usr/bin/env python3

def write_init_vh(filename, initbits):
    with open(filename, "w") as f:
        for i in range(16):
            print("localparam [255:0] INIT_%X = {" % i, file=f)
            for k in range(32):
                print("  %s%s" % (", ".join(["INIT[%4d]" % initbits[i*256 + 255 - k*8 - l] for l in range(8)]), "," if k != 31 else ""), file=f)
            print("};", file=f);

write_init_vh("techlibs/ice40/brams_init1.vh", [i//2 + 2048*(i%2) for i in range(4096)])
write_init_vh("techlibs/ice40/brams_init2.vh", [i//4 + 1024*(i%4) for i in range(4096)])
write_init_vh("techlibs/ice40/brams_init3.vh", [i//8 +  512*(i%8) for i in range(4096)])