mirror of https://github.com/openXC7/prjxray.git
Initial BUFG PIP fuzzer.
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
This commit is contained in:
Keith Rothman
parent
45a8af8d71
commit
9187df2c95
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@ -0,0 +1,61 @@
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export FUZDIR=$(shell pwd)
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PIP_TYPE?=clk_bufg
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PIPLIST_TCL=$(FUZDIR)/clk_bufg_pip_list.tcl
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TODO_RE=".*"
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MAKETODO_FLAGS=--sides "bot_r,top_r" --pip-type ${PIP_TYPE} --seg-type clk_bufg --re $(TODO_RE)
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N = 50
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# These PIPs all appear to be either a 1 bit solutions.
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SEGMATCH_FLAGS=-c 2
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SPECIMENS_DEPS=build/cmt_regions.csv
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A_PIPLIST=clk_bufg_bot_r.txt
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include ../pip_loop.mk
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build/segbits_clk_bufg_top_r.rdb: $(SPECIMENS_OK)
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${XRAY_SEGMATCH} ${SEGMATCH_FLAGS} -o build/segbits_clk_bufg_top_r.rdb \
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$(shell find build -name segdata_clk_bufg_top_r.txt)
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build/segbits_clk_bufg_bot_r.rdb: $(SPECIMENS_OK)
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${XRAY_SEGMATCH} ${SEGMATCH_FLAGS} -o build/segbits_clk_bufg_bot_r.rdb \
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$(shell find build -name segdata_clk_bufg_bot_r.txt)
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database: build/segbits_clk_bufg_top_r.rdb build/segbits_clk_bufg_bot_r.rdb
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${XRAY_DBFIXUP} --db-root build --zero-db bits.dbf \
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--seg-fn-in build/segbits_clk_bufg_bot_r.rdb \
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--seg-fn-out build/segbits_clk_bufg_bot_r.db
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${XRAY_DBFIXUP} --db-root build --zero-db bits.dbf \
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--seg-fn-in build/segbits_clk_bufg_top_r.rdb \
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--seg-fn-out build/segbits_clk_bufg_top_r.db
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# Keep a copy to track iter progress
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cp build/segbits_clk_bufg_top_r.rdb build/$(ITER)/segbits_clk_bufg_top_r.rdb
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cp build/segbits_clk_bufg_top_r.db build/$(ITER)/segbits_clk_bufg_top_r.db
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cp build/segbits_clk_bufg_bot_r.rdb build/$(ITER)/segbits_clk_bufg_bot_r.rdb
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cp build/segbits_clk_bufg_bot_r.db build/$(ITER)/segbits_clk_bufg_bot_r.db
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${XRAY_MASKMERGE} build/mask_clk_bufg_top_r.db \
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$(shell find build -name segdata_clk_bufg_top_r.txt)
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${XRAY_MASKMERGE} build/mask_clk_bufg_bot_r.db \
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$(shell find build -name segdata_clk_bufg_bot_r.txt)
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# Clobber existing .db to eliminate potential conflicts
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cp ${XRAY_DATABASE_DIR}/${XRAY_DATABASE}/segbits*.db build/database/${XRAY_DATABASE}
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XRAY_DATABASE_DIR=${FUZDIR}/build/database ${XRAY_MERGEDB} clk_bufg_top_r build/segbits_clk_bufg_top_r.db
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XRAY_DATABASE_DIR=${FUZDIR}/build/database ${XRAY_MERGEDB} clk_bufg_bot_r build/segbits_clk_bufg_bot_r.db
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build/cmt_regions.csv: output_cmt.tcl
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mkdir -p build
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cd build/ && ${XRAY_VIVADO} -mode batch -source ${FUZDIR}/output_cmt.tcl
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pushdb: database
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${XRAY_MERGEDB} clk_bufg_bot_r build/segbits_clk_bufg_bot_r.db
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${XRAY_MERGEDB} clk_bufg_top_r build/segbits_clk_bufg_top_r.db
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${XRAY_MERGEDB} mask_clk_bufg_bot_r build/mask_clk_bufg_bot_r.db
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${XRAY_MERGEDB} mask_clk_bufg_top_r build/mask_clk_bufg_top_r.db
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.PHONY: database pushdb
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@ -0,0 +1,32 @@
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26_07 26_08 27_06,CLK_BUFG.CLK_BUFG_BUFGCTRL0_I0.CLK_BUFG_IMUX28_0
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26_04 26_05 27_05,CLK_BUFG.CLK_BUFG_BUFGCTRL0_I1.CLK_BUFG_IMUX28_0
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26_167 26_168 27_166,CLK_BUFG.CLK_BUFG_BUFGCTRL10_I0.CLK_BUFG_IMUX30_2
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26_164 26_165 27_165,CLK_BUFG.CLK_BUFG_BUFGCTRL10_I1.CLK_BUFG_IMUX30_2
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26_183 26_184 27_182,CLK_BUFG.CLK_BUFG_BUFGCTRL11_I0.CLK_BUFG_IMUX31_2
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26_180 26_181 27_181,CLK_BUFG.CLK_BUFG_BUFGCTRL11_I1.CLK_BUFG_IMUX31_2
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26_199 26_200 27_198,CLK_BUFG.CLK_BUFG_BUFGCTRL12_I0.CLK_BUFG_IMUX28_3
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26_196 26_197 27_197,CLK_BUFG.CLK_BUFG_BUFGCTRL12_I1.CLK_BUFG_IMUX28_3
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26_215 26_216 27_214,CLK_BUFG.CLK_BUFG_BUFGCTRL13_I0.CLK_BUFG_IMUX29_3
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26_212 26_213 27_213,CLK_BUFG.CLK_BUFG_BUFGCTRL13_I1.CLK_BUFG_IMUX29_3
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26_231 26_232 27_230,CLK_BUFG.CLK_BUFG_BUFGCTRL14_I0.CLK_BUFG_IMUX30_3
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26_228 26_229 27_229,CLK_BUFG.CLK_BUFG_BUFGCTRL14_I1.CLK_BUFG_IMUX30_3
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26_247 26_248 27_246,CLK_BUFG.CLK_BUFG_BUFGCTRL15_I0.CLK_BUFG_IMUX31_3
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26_244 26_245 27_245,CLK_BUFG.CLK_BUFG_BUFGCTRL15_I1.CLK_BUFG_IMUX31_3
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26_23 26_24 27_22,CLK_BUFG.CLK_BUFG_BUFGCTRL1_I0.CLK_BUFG_IMUX29_0
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26_20 26_21 27_21,CLK_BUFG.CLK_BUFG_BUFGCTRL1_I1.CLK_BUFG_IMUX29_0
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26_39 26_40 27_38,CLK_BUFG.CLK_BUFG_BUFGCTRL2_I0.CLK_BUFG_IMUX30_0
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26_36 26_37 27_37,CLK_BUFG.CLK_BUFG_BUFGCTRL2_I1.CLK_BUFG_IMUX30_0
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26_55 26_56 27_54,CLK_BUFG.CLK_BUFG_BUFGCTRL3_I0.CLK_BUFG_IMUX31_0
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26_52 26_53 27_53,CLK_BUFG.CLK_BUFG_BUFGCTRL3_I1.CLK_BUFG_IMUX31_0
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26_71 26_72 27_70,CLK_BUFG.CLK_BUFG_BUFGCTRL4_I0.CLK_BUFG_IMUX28_1
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26_68 26_69 27_69,CLK_BUFG.CLK_BUFG_BUFGCTRL4_I1.CLK_BUFG_IMUX28_1
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26_87 26_88 27_86,CLK_BUFG.CLK_BUFG_BUFGCTRL5_I0.CLK_BUFG_IMUX29_1
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26_84 26_85 27_85,CLK_BUFG.CLK_BUFG_BUFGCTRL5_I1.CLK_BUFG_IMUX29_1
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26_103 26_104 27_102,CLK_BUFG.CLK_BUFG_BUFGCTRL6_I0.CLK_BUFG_IMUX30_1
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26_100 26_101 27_101,CLK_BUFG.CLK_BUFG_BUFGCTRL6_I1.CLK_BUFG_IMUX30_1
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26_119 26_120 27_118,CLK_BUFG.CLK_BUFG_BUFGCTRL7_I0.CLK_BUFG_IMUX31_1
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26_116 26_117 27_117,CLK_BUFG.CLK_BUFG_BUFGCTRL7_I1.CLK_BUFG_IMUX31_1
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26_135 26_136 27_134,CLK_BUFG.CLK_BUFG_BUFGCTRL8_I0.CLK_BUFG_IMUX28_2
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26_132 26_133 27_133,CLK_BUFG.CLK_BUFG_BUFGCTRL8_I1.CLK_BUFG_IMUX28_2
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26_151 26_152 27_150,CLK_BUFG.CLK_BUFG_BUFGCTRL9_I0.CLK_BUFG_IMUX29_2
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26_148 26_149 27_149,CLK_BUFG.CLK_BUFG_BUFGCTRL9_I1.CLK_BUFG_IMUX29_2
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@ -0,0 +1,49 @@
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import argparse
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def main():
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parser = argparse.ArgumentParser("Form ZDB groups for BUFG.")
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parser.add_argument('bot_r')
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parser.add_argument('top_r')
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args = parser.parse_args()
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groups = {}
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with open(args.bot_r) as f:
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for l in f:
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parts = l.strip().split(' ')
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feature = parts[0]
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bits = parts[1:]
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tile_type, dst, src = feature.split('.')
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assert tile_type == "CLK_BUFG"
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if dst not in groups:
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groups[dst] = {}
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groups[dst][src] = bits
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for dst in groups:
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if len(groups[dst]) == 1:
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continue
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bits = set()
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zero_feature = None
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for src in groups[dst]:
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if groups[dst][src][0] == '<0':
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assert zero_feature is None
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zero_feature = src
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else:
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bits |= set(groups[dst][src])
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assert zero_feature is not None, dst
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print('{bits},{type}.{dst}.{src}'.format(
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bits=' '.join(sorted(bits)),
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type='CLK_BUFG',
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dst=dst,
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src=zero_feature))
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if __name__ == "__main__":
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main()
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@ -0,0 +1,20 @@
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proc print_tile_pips {tile_type filename} {
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set tile [lindex [get_tiles -filter "TYPE == $tile_type"] 0]
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puts "Dumping PIPs for tile $tile ($tile_type) to $filename."
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set fp [open $filename w]
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foreach pip [lsort [get_pips -of_objects [get_tiles $tile]]] {
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set src [get_wires -uphill -of_objects $pip]
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set dst [get_wires -downhill -of_objects $pip]
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if {[llength [get_nodes -uphill -of_objects [get_nodes -of_objects $dst]]] != 1} {
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puts $fp "$tile_type.[regsub {.*/} $dst ""].[regsub {.*/} $src ""]"
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}
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}
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close $fp
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}
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create_project -force -part $::env(XRAY_PART) design design
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set_property design_mode PinPlanning [current_fileset]
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open_io_design -name io_1
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print_tile_pips CLK_BUFG_TOP_R clk_bufg_top_r.txt
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print_tile_pips CLK_BUFG_BOT_R clk_bufg_bot_r.txt
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@ -0,0 +1,90 @@
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#!/usr/bin/env python3
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from prjxray.segmaker import Segmaker
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import os
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import os.path
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def bitfilter(frame, word):
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if frame < 26:
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return False
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return True
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def main():
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segmk = Segmaker("design.bits")
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tiledata = {}
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pipdata = {}
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ignpip = set()
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with open(os.path.join(os.getenv('FUZDIR'), '..', 'piplist', 'build', 'clk_bufg', 'clk_bufg_bot_r.txt')) as f:
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for l in f:
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tile_type, dst, src = l.strip().split('.')
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if tile_type not in pipdata:
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pipdata[tile_type] = []
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pipdata[tile_type].append((src, dst))
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with open(os.path.join(os.getenv('FUZDIR'), '..', 'piplist', 'build', 'clk_bufg', 'clk_bufg_top_r.txt')) as f:
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for l in f:
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tile_type, dst, src = l.strip().split('.')
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if tile_type not in pipdata:
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pipdata[tile_type] = []
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pipdata[tile_type].append((src, dst))
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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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tile, pip, src, dst, pnum, pdir = line.split()
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if not tile.startswith('CLK_BUFG'):
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continue
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if tile.startswith('CLK_BUFG_REBUF'):
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continue
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pip_prefix, _ = pip.split(".")
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tile_from_pip, tile_type = pip_prefix.split('/')
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assert tile == tile_from_pip
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_, src = src.split("/")
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_, dst = dst.split("/")
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pnum = int(pnum)
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pdir = int(pdir)
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if tile not in tiledata:
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tiledata[tile] = {
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"type": tile_type,
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"pips": set(),
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"srcs": set(),
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"dsts": set()
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}
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tiledata[tile]["pips"].add((src, dst))
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tiledata[tile]["srcs"].add(src)
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tiledata[tile]["dsts"].add(dst)
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if pdir == 0:
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tiledata[tile]["srcs"].add(dst)
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tiledata[tile]["dsts"].add(src)
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if pnum == 1 or pdir == 0:
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ignpip.add((src, dst))
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for tile, pips_srcs_dsts in tiledata.items():
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tile_type = pips_srcs_dsts["type"]
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pips = pips_srcs_dsts["pips"]
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for src, dst in pipdata[tile_type]:
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if (src, dst) in ignpip:
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pass
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elif (src, dst) in pips:
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segmk.add_tile_tag(tile, "%s.%s" % (dst, src), 1)
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elif dst not in tiledata[tile]["dsts"]:
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segmk.add_tile_tag(tile, "%s.%s" % (dst, src), 0)
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segmk.compile(bitfilter=bitfilter)
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segmk.write()
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if __name__ == "__main__":
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main()
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source "$::env(XRAY_DIR)/utils/utils.tcl"
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proc write_pip_txtdata {filename} {
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puts "FUZ([pwd]): Writing $filename."
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set fp [open $filename w]
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set nets [get_nets -hierarchical]
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set nnets [llength $nets]
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set neti 0
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foreach net $nets {
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incr neti
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if {($neti % 100) == 0 } {
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puts "FUZ([pwd]): Dumping pips from net $net ($neti / $nnets)"
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}
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foreach pip [get_pips -of_objects $net] {
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set tile [get_tiles -of_objects $pip]
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set src_wire [get_wires -uphill -of_objects $pip]
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set dst_wire [get_wires -downhill -of_objects $pip]
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set num_pips [llength [get_nodes -uphill -of_objects [get_nodes -of_objects $dst_wire]]]
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set dir_prop [get_property IS_DIRECTIONAL $pip]
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puts $fp "$tile $pip $src_wire $dst_wire $num_pips $dir_prop"
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}
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}
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close $fp
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}
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proc run {} {
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create_project -force -part $::env(XRAY_PART) design design
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read_verilog top.v
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synth_design -top top
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set_property CFGBVS VCCO [current_design]
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set_property CONFIG_VOLTAGE 3.3 [current_design]
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set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design]
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set_property IS_ENABLED 0 [get_drc_checks {REQP-123}]
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set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets]
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place_design
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route_design
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write_checkpoint -force design.dcp
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write_bitstream -force design.bit
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write_pip_txtdata design.txt
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}
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run
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create_project -force -part $::env(XRAY_PART) design design
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set_property design_mode PinPlanning [current_fileset]
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open_io_design -name io_1
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set fp [open "cmt_regions.csv" "w"]
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foreach site_type {MMCME2_ADV BUFHCE} {
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foreach site [get_sites -filter "SITE_TYPE == $site_type"] {
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puts $fp "$site,[get_property CLOCK_REGION $site]"
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}
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}
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close $fp
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""" Emits top.v's for various BUFHCE routing inputs. """
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import os
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import random
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random.seed(int(os.getenv("SEED"), 16))
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from prjxray import util
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from prjxray.lut_maker import LutMaker
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from prjxray.db import Database
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from io import StringIO
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CMT_XY_FUN = util.create_xy_fun(prefix='')
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BUFGCTRL_XY_FUN = util.create_xy_fun('BUFGCTRL_')
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def read_site_to_cmt():
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""" Yields clock sources and which CMT they route within. """
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with open(os.path.join(os.getenv('FUZDIR'), 'build',
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'cmt_regions.csv')) as f:
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for l in f:
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site, cmt = l.strip().split(',')
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yield (site, cmt)
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class ClockSources(object):
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""" Class for tracking clock sources.
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Some clock sources can be routed to any CMT, for these, cmt='ANY'.
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For clock sources that belong to a CMT, cmt should be set to the CMT of
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the source.
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"""
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def __init__(self):
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self.sources = {}
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self.merged_sources = {}
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self.source_to_cmt = {}
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self.used_sources_from_cmt = {}
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def add_clock_source(self, source, cmt):
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""" Adds a source from a specific CMT.
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cmt='ANY' indicates that this source can be routed to any CMT.
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"""
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if cmt not in self.sources:
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self.sources[cmt] = []
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self.sources[cmt].append(source)
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assert source not in self.source_to_cmt or self.source_to_cmt[
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source] == cmt, source
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self.source_to_cmt[source] = cmt
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def get_random_source(self, cmt):
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""" Get a random source that is routable to the specific CMT.
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get_random_source will return a source that is either cmt='ANY',
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cmt equal to the input CMT, or the adjecent CMT.
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"""
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if cmt not in self.merged_sources:
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choices = []
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if 'ANY' in self.sources:
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choices.extend(self.sources['ANY'])
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if cmt in self.sources:
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choices.extend(self.sources[cmt])
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x, y = CMT_XY_FUN(cmt)
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if x % 2 == 0:
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x += 1
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||||
else:
|
||||
x -= 1
|
||||
|
||||
paired_cmt = 'X{}Y{}'.format(x, y)
|
||||
|
||||
if paired_cmt in self.sources:
|
||||
choices.extend(self.sources[paired_cmt])
|
||||
|
||||
self.merged_sources[cmt] = choices
|
||||
|
||||
if self.merged_sources[cmt]:
|
||||
source = random.choice(self.merged_sources[cmt])
|
||||
|
||||
source_cmt = self.source_to_cmt[source]
|
||||
if source_cmt not in self.used_sources_from_cmt:
|
||||
self.used_sources_from_cmt[source_cmt] = set()
|
||||
|
||||
self.used_sources_from_cmt[source_cmt].add(source)
|
||||
|
||||
if source_cmt != 'ANY' and len(
|
||||
self.used_sources_from_cmt[source_cmt]) > 14:
|
||||
print('//', self.used_sources_from_cmt)
|
||||
self.used_sources_from_cmt[source_cmt].remove(source)
|
||||
return None
|
||||
else:
|
||||
return source
|
||||
|
||||
|
||||
|
||||
def main():
|
||||
"""
|
||||
BUFG's can be driven from:
|
||||
|
||||
Interconnect
|
||||
HROW cascade
|
||||
|
||||
"""
|
||||
|
||||
print('''
|
||||
module top();
|
||||
(* KEEP, DONT_TOUCH *)
|
||||
LUT6 dummy();
|
||||
''')
|
||||
|
||||
site_to_cmt = dict(read_site_to_cmt())
|
||||
luts = LutMaker()
|
||||
wires = StringIO()
|
||||
bufgs = StringIO()
|
||||
|
||||
clock_sources = ClockSources()
|
||||
|
||||
db = Database(util.get_db_root())
|
||||
grid = db.grid()
|
||||
|
||||
def gen_sites(desired_site_type):
|
||||
for tile_name in sorted(grid.tiles()):
|
||||
loc = grid.loc_of_tilename(tile_name)
|
||||
gridinfo = grid.gridinfo_at_loc(loc)
|
||||
for site, site_type in gridinfo.sites.items():
|
||||
if site_type == desired_site_type:
|
||||
yield tile_name, site
|
||||
|
||||
|
||||
for _, site in gen_sites('MMCME2_ADV'):
|
||||
mmcm_clocks = [
|
||||
'mmcm_clock_{site}_{idx}'.format(site=site, idx=idx)
|
||||
for idx in range(13)
|
||||
]
|
||||
|
||||
for clk in mmcm_clocks:
|
||||
clock_sources.add_clock_source(clk, site_to_cmt[site])
|
||||
|
||||
print(
|
||||
"""
|
||||
wire {c0}, {c1}, {c2}, {c3}, {c4}, {c5};
|
||||
(* KEEP, DONT_TOUCH, LOC = "{site}" *)
|
||||
MMCME2_ADV pll_{site} (
|
||||
.CLKOUT0({c0}),
|
||||
.CLKOUT0B({c1}),
|
||||
.CLKOUT1({c2}),
|
||||
.CLKOUT1B({c3}),
|
||||
.CLKOUT2({c4}),
|
||||
.CLKOUT2B({c5}),
|
||||
.CLKOUT3({c6}),
|
||||
.CLKOUT3B({c7}),
|
||||
.CLKOUT4({c8}),
|
||||
.CLKOUT5({c9}),
|
||||
.CLKOUT6({c10}),
|
||||
.CLKFBOUT({c11}),
|
||||
.CLKFBOUTB({c12})
|
||||
);
|
||||
""".format(
|
||||
site=site,
|
||||
c0=mmcm_clocks[0],
|
||||
c1=mmcm_clocks[1],
|
||||
c2=mmcm_clocks[2],
|
||||
c3=mmcm_clocks[3],
|
||||
c4=mmcm_clocks[4],
|
||||
c5=mmcm_clocks[5],
|
||||
c6=mmcm_clocks[6],
|
||||
c7=mmcm_clocks[7],
|
||||
c8=mmcm_clocks[8],
|
||||
c9=mmcm_clocks[9],
|
||||
c10=mmcm_clocks[10],
|
||||
c11=mmcm_clocks[11],
|
||||
c12=mmcm_clocks[12],
|
||||
))
|
||||
|
||||
for _, site in sorted(gen_sites("BUFGCTRL"),
|
||||
key=lambda x: BUFGCTRL_XY_FUN(x[1])):
|
||||
print(
|
||||
"""
|
||||
wire O_{site};
|
||||
wire S1_{site};
|
||||
wire S0_{site};
|
||||
wire IGNORE1_{site};
|
||||
wire IGNORE0_{site};
|
||||
wire I1_{site};
|
||||
wire I0_{site};
|
||||
wire CE1_{site};
|
||||
wire CE0_{site};
|
||||
""".format(site=site), file=wires)
|
||||
|
||||
print("""
|
||||
(* KEEP, DONT_TOUCH, LOC = "{site}" *)
|
||||
BUFGCTRL bufg_{site} (
|
||||
.O(O_{site}),
|
||||
.S1(S1_{site}),
|
||||
.S0(S0_{site}),
|
||||
.IGNORE1(IGNORE1_{site}),
|
||||
.IGNORE0(IGNORE0_{site}),
|
||||
.I1(I1_{site}),
|
||||
.I0(I0_{site}),
|
||||
.CE1(CE1_{site}),
|
||||
.CE0(CE0_{site})
|
||||
);
|
||||
""".format(site=site), file=bufgs)
|
||||
|
||||
""" BUFG clock sources:
|
||||
|
||||
2 from interconnect
|
||||
Output of BUFG +/- 1
|
||||
Cascade in (e.g. PLL, MMCM)
|
||||
|
||||
"""
|
||||
|
||||
CLOCK_CHOICES = (
|
||||
'LUT',
|
||||
'BUFG_+1',
|
||||
'BUFG_-1',
|
||||
'CASCADE',
|
||||
)
|
||||
|
||||
def find_bufg_cmt(tile):
|
||||
if '_BOT_' in tile:
|
||||
inc = 1
|
||||
else:
|
||||
inc = -1
|
||||
|
||||
loc = grid.loc_of_tilename(tile)
|
||||
|
||||
offset = 1
|
||||
|
||||
while True:
|
||||
gridinfo = grid.gridinfo_at_loc((loc.grid_x, loc.grid_y+offset*inc))
|
||||
if gridinfo.tile_type.startswith('CLK_HROW_'):
|
||||
return site_to_cmt[list(gridinfo.sites.keys())[0]]
|
||||
|
||||
offset += 1
|
||||
|
||||
def get_clock_net(tile, site, source_type):
|
||||
if source_type == 'LUT':
|
||||
return luts.get_next_output_net()
|
||||
elif source_type == 'BUFG_+1':
|
||||
x, y = BUFGCTRL_XY_FUN(site)
|
||||
|
||||
target_y = y + 1
|
||||
max_y = ((y // 16) + 1)*16
|
||||
|
||||
if target_y >= max_y:
|
||||
target_y -= 16
|
||||
|
||||
return 'O_BUFGCTRL_X{x}Y{y}'.format(x=x, y=target_y)
|
||||
elif source_type == 'BUFG_-1':
|
||||
x, y = BUFGCTRL_XY_FUN(site)
|
||||
|
||||
target_y = y - 1
|
||||
min_y = (y // 16)*16
|
||||
|
||||
if target_y < min_y:
|
||||
target_y += 16
|
||||
|
||||
return 'O_BUFGCTRL_X{x}Y{y}'.format(x=x, y=target_y)
|
||||
elif source_type == 'CASCADE':
|
||||
cmt = find_bufg_cmt(tile)
|
||||
return clock_sources.get_random_source(cmt)
|
||||
else:
|
||||
assert False, source_type
|
||||
|
||||
for tile, site in sorted(gen_sites("BUFGCTRL"),
|
||||
key=lambda x: BUFGCTRL_XY_FUN(x[1])):
|
||||
if random.randint(0, 1):
|
||||
print("""
|
||||
assign I0_{site} = {i0_net};""".format(
|
||||
site=site,
|
||||
i0_net=get_clock_net(tile, site, random.choice(CLOCK_CHOICES))), file=bufgs)
|
||||
|
||||
if random.randint(0, 1):
|
||||
print("""
|
||||
assign I1_{site} = {i1_net};""".format(
|
||||
site=site,
|
||||
i1_net = get_clock_net(tile, site, random.choice(CLOCK_CHOICES))), file=bufgs)
|
||||
|
||||
print("""
|
||||
assign S0_{site} = {s0_net};
|
||||
assign S1_{site} = {s1_net};
|
||||
assign IGNORE0_{site} = {ignore0_net};
|
||||
assign IGNORE1_{site} = {ignore1_net};
|
||||
assign CE0_{site} = {ce0_net};
|
||||
assign CE1_{site} = {ce1_net};
|
||||
""".format(
|
||||
site=site,
|
||||
s0_net=luts.get_next_output_net(),
|
||||
s1_net=luts.get_next_output_net(),
|
||||
ignore0_net=luts.get_next_output_net(),
|
||||
ignore1_net=luts.get_next_output_net(),
|
||||
ce0_net=luts.get_next_output_net(),
|
||||
ce1_net=luts.get_next_output_net(),
|
||||
), file=bufgs)
|
||||
|
||||
for l in luts.create_wires_and_luts():
|
||||
print(l)
|
||||
|
||||
print(wires.getvalue())
|
||||
print(bufgs.getvalue())
|
||||
|
||||
itr = iter(gen_sites('BUFHCE'))
|
||||
|
||||
for tile, site in sorted(gen_sites("BUFGCTRL"),
|
||||
key=lambda x: BUFGCTRL_XY_FUN(x[1])):
|
||||
if random.randint(0, 1):
|
||||
_, bufhce_site = next(itr)
|
||||
|
||||
print("""
|
||||
(* KEEP, DONT_TOUCH, LOC = "{bufhce_site}" *)
|
||||
BUFHCE bufhce_{bufhce_site} (
|
||||
.I(O_{site})
|
||||
);""".format(
|
||||
site=site,
|
||||
bufhce_site=bufhce_site,
|
||||
))
|
||||
|
||||
print("endmodule")
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
Loading…
Reference in New Issue