mirror of https://github.com/openXC7/prjxray.git
118 lines
3.1 KiB
Python
118 lines
3.1 KiB
Python
#!/usr/bin/env python3
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import sys, re
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sys.path.append("../../../utils/")
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from segmaker import segmaker
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segmk = segmaker("design.bits")
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ffprims = (
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'FD',
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'FD_1',
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'FDC',
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'FDC_1',
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'FDCE',
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'FDCE_1',
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'FDE',
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'FDE_1',
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'FDP',
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'FDP_1',
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'FDPE',
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'FDPE_1',
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'FDR',
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'FDR_1',
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'FDRE',
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'FDRE_1',
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'FDS',
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'FDS_1',
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'FDSE',
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'FDSE_1',
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)
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ffprims = (
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'FDRE',
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'FDSE',
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'FDCE',
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'FDPE',
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)
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print("Loading tags from design.txt")
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with open("design.txt", "r") as f:
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for line in f:
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'''
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puts $fp "$type $tile $grid_x $grid_y $ff $bel_type $used $usedstr"
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CLBLM_L CLBLM_L_X10Y137 30 13 SLICE_X13Y137/AFF REG_INIT 1 FDRE
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CLBLM_L CLBLM_L_X10Y137 30 13 SLICE_X12Y137/D5FF FF_INIT 0
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'''
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line = line.split()
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tile_type = line[0]
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tile_name = line[1]
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grid_x = line[2]
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grid_y = line[3]
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# Other code uses BEL name
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site_ff_name = line[4]
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site, ff_name = site_ff_name.split('/')
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ff_type = line[5]
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used = int(line[6])
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ref_name = None
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cel_name = None
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if used:
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cel_name = line[7]
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ref_name = line[8]
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# 1'b1
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# cinv = int(line[9][-1])
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cinv = int(line[9])
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which = ff_name[0]
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# Reduced test for now
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if ff_name != 'AFF':
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continue
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segmk.addtag(site, "FF_USED", used)
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if 1:
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# If unused mark all primitives as not present
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# Otherwise mark the primitive we are using
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for ffprim in ffprims:
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if not used:
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segmk.addtag(site, "FF_%s" % ffprim, 0)
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elif ref_name == ffprim:
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segmk.addtag(site, "FF_%s" % ffprim, 1)
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'''
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Experiment diffing against one of the lower bit set candidates
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can probably isolate a few bits this way
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really though I want to diff against USED but not sure how to do that
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CLB.SLICE_X0.FF_USED <7 candidates>
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CLB.SLICE_X0.FF_FDSE <8 candidates>
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CLB.SLICE_X0.FF_FDPE <8 candidates>
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CLB.SLICE_X0.FF_FDRE <9 candidates>
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CLB.SLICE_X0.FF_FDCE <10 candidates>
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'''
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'''
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if 1:
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# If unused mark all primitives as not present
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# Otherwise mark the primitive we are using
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if used:
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base = 'FDSE'
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if ref_name == base:
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for ffprim in ffprims:
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segmk.addtag(site, "FF_DIFF_%s_%s" % (base, fprim, 0)
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if 0:
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for ffprim in ffprims:
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segmk.addtag(site, "FF_%s" % ffprim, 0)
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elif
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segmk.addtag(site, "FF_%s" % ffprim, 1)
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'''
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# Compare '_1' negative edge clock to positive edge
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if used:
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#inv_clk = ref_name.endswith("_1")
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inv_clk = cinv
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segmk.addtag(site, "%s.FF_INV_CLK" % ff_name, inv_clk)
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segmk.compile()
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segmk.write()
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