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Added support for initialized xilinx brams

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This commit is contained in:
Clifford Wolf 2015-04-06 17:07:10 +02:00
parent 169d1c4711
commit 8520b7fbe0
11 changed files with 313 additions and 90 deletions
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37
techlibs/xilinx/brams_init.py Normal file
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#!/usr/bin/python
from __future__ import division
from __future__ import print_function
with open("brams_init_18.vh", "w") as f:
for i in range(8):
init_snippets = ["INIT[%3d*9+8]" % (k+256*i,) for k in range(255, -1, -1)]
for k in range(4, 256, 4):
init_snippets[k] = "\n " + init_snippets[k]
print(".INITP_%02X({%s})," % (i, ", ".join(init_snippets)), file=f)
for i in range(64):
init_snippets = ["INIT[%3d*9 +: 8]" % (k+32*i,) for k in range(31, -1, -1)]
for k in range(4, 32, 4):
init_snippets[k] = "\n " + init_snippets[k]
print(".INIT_%02X({%s})," % (i, ", ".join(init_snippets)), file=f)
with open("brams_init_36.vh", "w") as f:
for i in range(16):
init_snippets = ["INIT[%3d*9+8]" % (k+256*i,) for k in range(255, -1, -1)]
for k in range(4, 256, 4):
init_snippets[k] = "\n " + init_snippets[k]
print(".INITP_%02X({%s})," % (i, ", ".join(init_snippets)), file=f)
for i in range(128):
init_snippets = ["INIT[%3d*9 +: 8]" % (k+32*i,) for k in range(31, -1, -1)]
for k in range(4, 32, 4):
init_snippets[k] = "\n " + init_snippets[k]
print(".INIT_%02X({%s})," % (i, ", ".join(init_snippets)), file=f)
with open("brams_init_16.vh", "w") as f:
for i in range(64):
print(".INIT_%02X(INIT[%3d*256 +: 256])," % (i, i), file=f)
with open("brams_init_32.vh", "w") as f:
for i in range(128):
print(".INIT_%02X(INIT[%3d*256 +: 256])," % (i, i), file=f)