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-rw-r--r--tests/xprop/generate.py287
1 files changed, 287 insertions, 0 deletions
diff --git a/tests/xprop/generate.py b/tests/xprop/generate.py
new file mode 100644
index 000000000..484f1661c
--- /dev/null
+++ b/tests/xprop/generate.py
@@ -0,0 +1,287 @@
+import os
+import re
+import sys
+import random
+import argparse
+
+parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+parser.add_argument('-S', '--seed', type=int, help='seed for PRNG')
+parser.add_argument('-m', '--more', action='store_true', help='run more tests')
+parser.add_argument('-c', '--count', type=int, default=32, help='number of random patterns to test')
+parser.add_argument('-f', '--filter', default='', help='regular expression to filter tests to generate')
+args = parser.parse_args()
+
+if args.seed is None:
+ args.seed = random.randrange(1 << 32)
+
+print(f"xprop PRNG seed: {args.seed}")
+
+makefile = open("run-test.mk", "w")
+
+def add_test(name, src, seq=False):
+ if not re.search(args.filter, name):
+ return
+ workdir = f"xprop_{name}"
+
+ os.makedirs(workdir, exist_ok=True)
+ with open(f"{workdir}/uut.v", "w") as uut:
+ print(src, file=uut)
+ print(f"all: {workdir}", file=makefile)
+ print(f".PHONY: {workdir}", file=makefile)
+ print(f"{workdir}:", file=makefile)
+ seq_arg = " -s" if seq else ""
+ print(
+ f"\t@cd {workdir} && python3 -u ../test.py -S {args.seed} -c {args.count}{seq_arg} > test.log 2>&1 || echo {workdir}: failed > status\n"
+ f"\t@cat {workdir}/status\n"
+ f"\t@grep '^.*: ok' {workdir}/status\n"
+ ,
+ file=makefile,
+ )
+
+def cell_test(name, cell, inputs, outputs, params, initial={}, defclock=False, seq=False):
+ ports = []
+ port_conns = []
+ for inport, width in inputs.items():
+ ports.append(f"input [{width-1}:0] {inport}")
+ if defclock and inport in ["C", "CLK"]:
+ port_conns.append(f".{inport}({inport} !== 0)")
+ else:
+ port_conns.append(f".{inport}({inport})")
+ for outport, width in outputs.items():
+ reg = " reg" if outport in initial else ""
+ ports.append(f"output{reg} [{width-1}:0] {outport}")
+ port_conns.append(f".{outport}({outport})")
+ param_defs = []
+ for param, value in params.items():
+ param_defs.append(f".{param}({value})")
+ initials = []
+ # for port, value in initial.items():
+ # initials.append(f"initial {port} = {value};\n")
+ add_test(name,
+ f"module uut({', '.join(ports)});\n"
+ f"\\${cell} #({', '.join(param_defs)}) cell ({', '.join(port_conns)});\n"
+ f"{''.join(initials)}"
+ "endmodule",
+ seq=seq,
+ )
+
+def unary_test(cell, width, signed, out_width):
+ add_test(
+ f"{cell}_{width}{'us'[signed]}_{out_width}",
+ f"module uut(input [{width-1}:0] A, output [{out_width}-1:0] Y);\n"
+ f"\\${cell} #(.A_WIDTH({width}), .A_SIGNED({int(signed)}), .Y_WIDTH({out_width}))"
+ " cell (.A(A), .Y(Y));\n"
+ "endmodule",
+ )
+
+def binary_test(cell, a_width, b_width, signed, out_width):
+ add_test(
+ f"{cell}_{a_width}{'us'[signed]}{b_width}_{out_width}",
+ f"module uut(input [{a_width-1}:0] A, input [{b_width-1}:0] B, output [{out_width}-1:0] Y);\n"
+ f"\\${cell} #(.A_WIDTH({a_width}), .A_SIGNED({int(signed)}), .B_WIDTH({b_width}), .B_SIGNED({int(signed)}), .Y_WIDTH({out_width}))"
+ " cell (.A(A), .B(B), .Y(Y));\n"
+ "endmodule",
+ )
+
+def shift_test(cell, a_width, b_width, a_signed, b_signed, out_width):
+ add_test(
+ f"{cell}_{a_width}{'us'[a_signed]}{b_width}{'us'[b_signed]}_{out_width}",
+ f"module uut(input [{a_width-1}:0] A, input [{b_width-1}:0] B, output [{out_width}-1:0] Y);\n"
+ f"\\${cell} #(.A_WIDTH({a_width}), .A_SIGNED({int(a_signed)}), .B_WIDTH({b_width}), .B_SIGNED({int(b_signed)}), .Y_WIDTH({out_width}))"
+ " cell (.A(A), .B(B), .Y(Y));\n"
+ "endmodule",
+ )
+
+def mux_test(width):
+ cell_test(f"mux_{width}", 'mux', {"A": width, "B": width, "S": 1}, {"Y": width}, {"WIDTH": width})
+
+def bmux_test(width, s_width):
+ cell_test(f"bmux_{width}_{s_width}", 'bmux', {"A": width << s_width, "S": s_width}, {"Y": width}, {"WIDTH": width, "S_WIDTH": s_width})
+
+def demux_test(width, s_width):
+ cell_test(f"demux_{width}_{s_width}", 'demux', {"A": width, "S": s_width}, {"Y": width << s_width}, {"WIDTH": width, "S_WIDTH": s_width})
+
+def pmux_test(width, s_width):
+ cell_test(f"pmux_{width}_{s_width}", 'pmux', {"A": width, "B": width * s_width, "S": s_width}, {"Y": width}, {"WIDTH": width, "S_WIDTH": s_width})
+
+def bwmux_test(width):
+ cell_test(f"bwmux_{width}", 'bwmux', {"A": width, "B": width, "S": width}, {"Y": width}, {"WIDTH": width})
+
+def bweqx_test(width):
+ cell_test(f"bweqx_{width}", 'bweqx', {"A": width, "B": width}, {"Y": width}, {"WIDTH": width})
+
+def ff_test(width):
+ cell_test(f"ff_{width}", 'ff', {"D": width}, {"Q": width}, {"WIDTH": width}, seq=True)
+
+def dff_test(width, pol, defclock):
+ cell_test(f"dff_{width}{'np'[pol]}{'xd'[defclock]}", 'dff', {"CLK": 1, "D": width}, {"Q": width}, {"WIDTH": width, "CLK_POLARITY": int(pol)}, defclock=defclock, seq=True)
+
+def dffe_test(width, pol, enpol, defclock):
+ cell_test(f"dffe_{width}{'np'[pol]}{'np'[enpol]}{'xd'[defclock]}", 'dffe', {"CLK": 1, "EN": 1, "D": width}, {"Q": width}, {"WIDTH": width, "CLK_POLARITY": int(pol), "EN_POLARITY": int(enpol)}, defclock=defclock, seq=True)
+
+
+print(".PHONY: all", file=makefile)
+print("all:\n\t@echo done\n", file=makefile)
+
+for cell in ["not", "pos", "neg"]:
+ if args.more:
+ unary_test(cell, 1, False, 1)
+ unary_test(cell, 3, False, 3)
+ unary_test(cell, 3, True, 3)
+ unary_test(cell, 3, True, 1)
+ unary_test(cell, 3, False, 5)
+ unary_test(cell, 3, True, 5)
+
+for cell in ["and", "or", "xor", "xnor"]:
+ binary_test(cell, 1, 1, False, 1)
+ binary_test(cell, 1, 1, True, 2)
+ binary_test(cell, 2, 2, False, 2)
+ if args.more:
+ binary_test(cell, 2, 2, False, 1)
+ binary_test(cell, 2, 1, False, 2)
+ binary_test(cell, 2, 1, False, 1)
+
+# [, "pow"] are not implemented yet
+for cell in ["add", "sub", "mul", "div", "mod", "divfloor", "modfloor"]:
+ if args.more:
+ binary_test(cell, 1, 1, False, 1)
+ binary_test(cell, 1, 1, False, 2)
+ binary_test(cell, 3, 3, False, 1)
+ binary_test(cell, 3, 3, False, 3)
+ binary_test(cell, 3, 3, False, 6)
+ binary_test(cell, 3, 3, True, 1)
+ binary_test(cell, 3, 3, True, 3)
+ binary_test(cell, 3, 3, True, 6)
+ binary_test(cell, 5, 3, False, 3)
+ binary_test(cell, 5, 3, True, 3)
+
+for cell in ["lt", "le", "eq", "ne", "eqx", "nex", "ge", "gt"]:
+ if args.more:
+ binary_test(cell, 1, 1, False, 1)
+ binary_test(cell, 1, 1, False, 2)
+ binary_test(cell, 3, 3, False, 1)
+ binary_test(cell, 3, 3, False, 2)
+ binary_test(cell, 3, 3, True, 1)
+ binary_test(cell, 3, 3, True, 2)
+ binary_test(cell, 5, 3, False, 1)
+ binary_test(cell, 5, 3, True, 1)
+ binary_test(cell, 5, 3, False, 2)
+ binary_test(cell, 5, 3, True, 2)
+
+for cell in ["reduce_and", "reduce_or", "reduce_xor", "reduce_xnor"]:
+ if args.more:
+ unary_test(cell, 1, False, 1)
+ unary_test(cell, 3, False, 1)
+ unary_test(cell, 3, True, 1)
+ unary_test(cell, 3, False, 3)
+ unary_test(cell, 3, True, 3)
+
+for cell in ["reduce_bool", "logic_not"]:
+ unary_test(cell, 1, False, 1)
+ unary_test(cell, 3, False, 3)
+ unary_test(cell, 3, True, 3)
+ unary_test(cell, 3, True, 1)
+
+for cell in ["logic_and", "logic_or"]:
+ binary_test(cell, 1, 1, False, 1)
+ binary_test(cell, 3, 3, False, 3)
+ binary_test(cell, 3, 3, True, 3)
+ binary_test(cell, 3, 3, True, 1)
+
+for cell in ["shl", "shr", "sshl", "sshr", "shift"]:
+ if args.more:
+ shift_test(cell, 2, 1, False, False, 2)
+ shift_test(cell, 2, 1, True, False, 2)
+ shift_test(cell, 2, 1, False, False, 4)
+ shift_test(cell, 2, 1, True, False, 4)
+ shift_test(cell, 4, 2, False, False, 4)
+ shift_test(cell, 4, 2, True, False, 4)
+ shift_test(cell, 4, 2, False, False, 8)
+ shift_test(cell, 4, 2, True, False, 8)
+ shift_test(cell, 4, 3, False, False, 3)
+ shift_test(cell, 4, 3, True, False, 3)
+
+for cell in ["shift"]:
+ if args.more:
+ shift_test(cell, 2, 1, False, True, 2)
+ shift_test(cell, 2, 1, True, True, 2)
+ shift_test(cell, 2, 1, False, True, 4)
+ shift_test(cell, 2, 1, True, True, 4)
+ shift_test(cell, 4, 2, False, True, 4)
+ shift_test(cell, 4, 2, True, True, 4)
+ shift_test(cell, 4, 2, False, True, 8)
+ shift_test(cell, 4, 2, True, True, 8)
+ shift_test(cell, 4, 3, False, True, 3)
+ shift_test(cell, 4, 3, True, True, 3)
+
+for cell in ["shiftx"]:
+ if args.more:
+ shift_test(cell, 2, 1, False, True, 2)
+ shift_test(cell, 2, 1, False, True, 4)
+ shift_test(cell, 4, 2, False, True, 4)
+ shift_test(cell, 4, 2, False, True, 8)
+ shift_test(cell, 4, 3, False, True, 3)
+
+mux_test(1)
+mux_test(3)
+
+bmux_test(1, 2)
+bmux_test(2, 2)
+bmux_test(3, 1)
+
+demux_test(1, 2)
+demux_test(2, 2)
+demux_test(3, 1)
+
+pmux_test(1, 4)
+pmux_test(2, 2)
+pmux_test(3, 1)
+pmux_test(4, 4)
+
+bwmux_test(1)
+bwmux_test(3)
+
+bweqx_test(1)
+bweqx_test(3)
+
+ff_test(1)
+ff_test(3)
+
+dff_test(1, True, True)
+dff_test(1, False, True)
+dff_test(3, True, True)
+dff_test(3, False, True)
+
+# dff_test(1, True, False) # TODO support x clocks
+# dff_test(1, False, False) # TODO support x clocks
+# dff_test(3, True, False) # TODO support x clocks
+# dff_test(3, False, False) # TODO support x clocks
+
+dffe_test(1, True, False, True)
+dffe_test(1, False, False, True)
+dffe_test(3, True, False, True)
+dffe_test(3, False, False, True)
+dffe_test(1, True, True, True)
+dffe_test(1, False, True, True)
+dffe_test(3, True, True, True)
+dffe_test(3, False, True, True)
+
+
+
+# TODO "shift", "shiftx"
+
+# TODO "fa", "lcu", "alu", "macc", "lut", "sop"
+
+# TODO "slice", "concat"
+
+# TODO "tribuf", "specify2", "specify3", "specrule"
+
+# TODO "assert", "assume", "live", "fair", "cover", "initstate", "anyconst", "anyseq", "anyinit", "allconst", "allseq", "equiv",
+
+# TODO "bweqx", "bwmux"
+
+# TODO "sr", "ff", "dff", "dffe", "dffsr", "sffsre", "adff", "aldff", "sdff", "adffe", "aldffe", "sdffe", "sdffce", "dlatch", "adlatch", "dlatchsr"
+
+# TODO "fsm"
+
+# TODO "memrd", "memrd_v2", "memwr", "memwr_v2", "meminit", "meminit_v2", "mem", "mem_v2"
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-05 01:41:33 +0000