mirror of https://github.com/openXC7/prjxray.git
Merge pull request #969 from antmicro/calculate-carry-timings
Calculate carry timings
This commit is contained in:
litghost
GitHub
commit
e3b58d631e
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@ -1,5 +1,5 @@
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SLICEL_SDFS = bel/build/CLBLL_L.sdf bel/build/CLBLL_R.sdf bel/build/CLBLM_L.sdf bel/build/CLBLM_R.sdf routing-bels/build/slicel.sdf
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SLICEM_SDFS = bel/build/CLBLL_L.sdf bel/build/CLBLL_R.sdf bel/build/CLBLM_L.sdf bel/build/CLBLM_R.sdf routing-bels/build/slicem.sdf
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SLICEL_SDFS = bel/build/slicel.sdf bel/build/carry4_slicel.sdf routing-bels/build/slicel.sdf
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SLICEM_SDFS = bel/build/slicem.sdf bel/build/carry4_slicem.sdf routing-bels/build/slicem.sdf
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run: all
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all: pushdb
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@ -8,17 +8,17 @@ clean:
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cd bel && $(MAKE) clean
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cd routing-bels && $(MAKE) clean
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bel/build/sdf.ok:
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bel/build/all_sdf.ok:
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cd bel && $(MAKE)
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routing-bels/build/sdf:
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routing-bels/build/sdf.ok:
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cd routing-bels && $(MAKE)
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mergesdfs: bel/build/sdf.ok routing-bels/build/sdf
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mergesdfs: bel/build/all_sdf.ok routing-bels/build/sdf.ok
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mkdir -p sdfs
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python3 ${XRAY_UTILS_DIR}/sdfmerge.py --sdfs $(SLICEM_SDFS) --site SLICEM --out sdfs/slicem.sdf
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python3 ${XRAY_UTILS_DIR}/sdfmerge.py --sdfs $(SLICEL_SDFS) --site SLICEL --out sdfs/slicel.sdf --json debu.json
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cp bel/build/*.sdf sdfs
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python3 ${XRAY_UTILS_DIR}/sdfmerge.py --sdfs $(SLICEM_SDFS) --site SLICEM --out sdfs/slicem.sdf
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python3 ${XRAY_UTILS_DIR}/sdfmerge.py --sdfs $(SLICEL_SDFS) --site SLICEL --out sdfs/slicel.sdf
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pushdb: mergesdfs
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mkdir -p ${XRAY_DATABASE_DIR}/${XRAY_DATABASE}/timings
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@ -1,10 +1,16 @@
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all: build/sdf.ok
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SLICEL_SDFS = build/CLBLL_L.sdf build/CLBLL_R.sdf build/CLBLM_L.sdf build/CLBLM_R.sdf
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SLICEM_SDFS = build/CLBLL_L.sdf build/CLBLL_R.sdf build/CLBLM_L.sdf build/CLBLM_R.sdf
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all: build/all_sdf.ok
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build/all_sdf.ok: build/carry4_slicel.sdf build/carry4_slicem.sdf
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touch build/all_sdf.ok
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clean:
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rm -rf build
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build/run.ok:
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bash runme.sh
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touch build/run.ok
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build/fixup_timings: build/run.ok
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python3 fixup_timings_txt.py --txtin build/bel_timings.txt --txtout build/bel_timings.txt --site RAMBFIFO36E1 --slice BRAM_L --type timings
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@ -21,3 +27,14 @@ build/sdf.ok: build/bel_timings.json
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python3 ${XRAY_UTILS_DIR}/makesdf.py --json=${PWD}/build/bel_timings.json --sdf=${PWD}/build
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touch build/sdf.ok
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build/slicem.sdf: build/sdf.ok
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python3 ${XRAY_UTILS_DIR}/sdfmerge.py --sdfs $(SLICEL_SDFS) --site SLICEM --out build/slicem.sdf
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build/slicel.sdf: build/sdf.ok
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python3 ${XRAY_UTILS_DIR}/sdfmerge.py --sdfs $(SLICEL_SDFS) --site SLICEL --out build/slicel.sdf
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build/carry4_slicem.sdf: build/slicem.sdf
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python3 carry4delays.py --input build/slicem.sdf --output build/carry4_slicem.sdf
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build/carry4_slicel.sdf: build/slicel.sdf
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python3 carry4delays.py --input build/slicel.sdf --output build/carry4_slicel.sdf
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@ -0,0 +1,126 @@
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#!/usr/bin/env python3
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import sys, os, argparse
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from sdf_timing import sdfparse
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model_carry4 = {
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'type': 'CARRY4',
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'srcs': {'O5', '?X', '?X_LFF', '?X_LBOTH'},
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'out': {'CO0', 'CO1', 'CO2', 'CO3', 'O0', 'O1', 'O2', 'O3'},
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'mux': '?CY0',
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'pins': {
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'DI0': {
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'type': 'A'
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},
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'DI1': {
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'type': 'B'
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},
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'DI2': {
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'type': 'C'
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},
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'DI3': {
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'type': 'D'
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},
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},
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}
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def compute_delays(model, fin_name, fout_name):
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data = ''
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with open(fin_name, 'r') as f:
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data = f.read()
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sdf = sdfparse.parse(data)
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keys = sdf['cells'][model['type']].keys()
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if 'slicel'.upper() in keys:
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sl = 'L'
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elif 'slicem'.upper() in keys:
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sl = 'M'
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else:
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print("Unknown slice type!")
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return
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nsdf = dict()
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nsdf['header'] = sdf['header']
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nsdf['cells'] = dict()
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nsdf['cells']['ROUTING_BEL'] = dict()
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for p in model['pins']:
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pin = model['pins'][p]
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outs = dict()
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for o in model['out']:
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outs[o] = []
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res = []
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cells = sdf['cells']
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for src in model['srcs']:
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source = src.replace('?', pin['type'])
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_type = model['type'] + '_' + source
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if _type in cells.keys():
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cell = cells[_type]["SLICE" + sl.upper()]
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for o in model['out']:
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iopath = 'iopath_' + p + '_' + o
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if iopath in cell.keys():
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delay = cell[iopath]['delay_paths']['slow']['max']
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outs[o].append(delay)
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for src in outs:
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s = sorted(outs[src])
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for val in s:
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res.append(val - s[0])
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delay = round(max(res), 3)
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muxname = str(model['mux'].replace('?', pin['type']))
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rbel = nsdf['cells']['ROUTING_BEL']['SLICE' + sl.upper() + '/' +
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muxname] = dict()
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iname = 'interconnect_' + pin['type'].lower() + 'x_' + str(p).lower()
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rbel[iname] = dict()
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rbel[iname]['is_absolute'] = True
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rbel[iname]['to_pin_edge'] = None
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rbel[iname]['from_pin_edge'] = None
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rbel[iname]['from_pin'] = pin['type'].lower() + 'x'
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rbel[iname]['to_pin'] = str(p).lower()
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rbel[iname]['type'] = 'interconnect'
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rbel[iname]['is_timing_check'] = False
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rbel[iname]['is_timing_env'] = False
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paths = rbel[iname]['delay_paths'] = dict()
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paths['slow'] = dict()
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paths['slow']['min'] = delay
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paths['slow']['avg'] = None
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paths['slow']['max'] = delay
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paths['fast'] = dict()
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paths['fast']['min'] = delay
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paths['fast']['avg'] = None
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paths['fast']['max'] = delay
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# emit new sdfs
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with open(fout_name, 'w') as f:
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f.write(sdfparse.emit(nsdf))
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def main(argv):
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parser = argparse.ArgumentParser(
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description='Tool for computing CARRY4 muxes delays')
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parser.add_argument(
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'--input', dest='inputfile', action='store', help='Input file')
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parser.add_argument(
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'--output', dest='outputfile', action='store', help='Output file')
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args = parser.parse_args(argv[1:])
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compute_delays(model_carry4, args.inputfile, args.outputfile)
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if __name__ == "__main__":
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main(sys.argv)
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@ -1,4 +1,5 @@
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all: build/slicel.sdf build/slicem.sdf
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touch build/sdf.ok
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clean:
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rm -rf build
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