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author | Clifford Wolf <clifford@clifford.at> | 2015-01-02 17:50:15 +0100 |
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committer | Clifford Wolf <clifford@clifford.at> | 2015-01-02 17:50:15 +0100 |
commit | 03b3c025400b2e02afcdbb3337d16d82e361d6aa (patch) | |
tree | 96c328192c96fcbac8f061ea1539c77d84651b16 /tests | |
parent | 1bd67d792eefeb7e72bf74f80776b0d5e41d771a (diff) | |
download | yosys-03b3c025400b2e02afcdbb3337d16d82e361d6aa.tar.gz yosys-03b3c025400b2e02afcdbb3337d16d82e361d6aa.tar.bz2 yosys-03b3c025400b2e02afcdbb3337d16d82e361d6aa.zip |
Progress in bram testbench
Diffstat (limited to 'tests')
-rw-r--r-- | tests/bram/generate.py | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/tests/bram/generate.py b/tests/bram/generate.py index b03d15296..b2419d7f4 100644 --- a/tests/bram/generate.py +++ b/tests/bram/generate.py @@ -3,34 +3,35 @@ from __future__ import division from __future__ import print_function +import os import sys import random debug_mode = False +seed = os.getpid() def create_bram(dsc_f, sim_f, ref_f, tb_f, k1, k2): while True: init = random.randrange(2) abits = random.randrange(1, 8) dbits = random.randrange(1, 8) - groups = random.randrange(1, 5) + groups = random.randrange(2, 5) if random.randrange(2): abits = 2 ** random.randrange(1, 4) if random.randrange(2): dbits = 2 ** random.randrange(1, 4) - ports = [ random.randrange(3) for i in range(groups) ] - wrmode = [ random.randrange(2) for i in range(groups) ] - enable = [ random.randrange(4) for i in range(groups) ] - transp = [ random.randrange(4) for i in range(groups) ] - clocks = [ random.randrange(4) for i in range(groups) ] - clkpol = [ random.randrange(4) for i in range(groups) ] + ports = [ random.randrange(1, 3) for i in range(groups) ] + wrmode = [ random.randrange(0, 2) for i in range(groups) ] + enable = [ random.randrange(0, 4) for i in range(groups) ] + transp = [ random.randrange(0, 4) for i in range(groups) ] + clocks = [ random.randrange(1, 4) for i in range(groups) ] + clkpol = [ random.randrange(0, 4) for i in range(groups) ] # XXX init = 0 transp = [ 0 for i in range(groups) ] - clocks = [ 1 for i in range(groups) ] clkpol = [ 1 for i in range(groups) ] for p1 in range(groups): @@ -42,8 +43,9 @@ def create_bram(dsc_f, sim_f, ref_f, tb_f, k1, k2): enable[p1] //= 2 config_ok = True - if wrmode.count(1) <= ports.count(0): config_ok = False - if wrmode.count(0) <= ports.count(0): config_ok = False + if sum(ports) > 3: config_ok = False # XXX + if wrmode.count(1) == 0: config_ok = False + if wrmode.count(0) == 0: config_ok = False if config_ok: break print("bram bram_%02d_%02d" % (k1, k2), file=dsc_f) @@ -82,9 +84,12 @@ def create_bram(dsc_f, sim_f, ref_f, tb_f, k1, k2): v_stmts.append("(* nomem2reg *) reg [%d:0] memory [0:%d];" % (dbits-1, 2**abits-1)) + portindex = 0 + for p1 in range(groups): for p2 in range(ports[p1]): pf = "%c%d" % (chr(ord("A") + p1), p2 + 1) + portindex += 1 if clocks[p1] and not ("CLK%d" % clocks[p1]) in v_ports: v_ports.add("CLK%d" % clocks[p1]) @@ -133,6 +138,8 @@ def create_bram(dsc_f, sim_f, ref_f, tb_f, k1, k2): if not always_hdr in v_always: v_always[always_hdr] = [list(), list(), list()] + v_always[always_hdr][1].append("`delay(%d)" % portindex); + v_always[always_hdr][2].append("`delay(%d)" % (sum(ports)-portindex+1)); if wrmode[p1]: for i in range(enable[p1]): @@ -195,7 +202,7 @@ def create_bram(dsc_f, sim_f, ref_f, tb_f, k1, k2): print(" %s = %d;" % (p, v), file=tb_f) print(" #1000;", file=tb_f) - for i in range(100): + for i in range(20 if debug_mode else 100): if len(tb_clocks): c = random.choice(tb_clocks) print(" %s = !%s;" % (c, c), file=tb_f) @@ -211,6 +218,9 @@ def create_bram(dsc_f, sim_f, ref_f, tb_f, k1, k2): print(" end", file=tb_f) print("endmodule", file=tb_f) +print("Rng seed: %d" % seed) +random.seed(seed) + for k1 in range(5): dsc_f = file("temp/brams_%02d.txt" % k1, "w"); sim_f = file("temp/brams_%02d.v" % k1, "w"); @@ -220,6 +230,13 @@ for k1 in range(5): for f in [sim_f, ref_f, tb_f]: print("`timescale 1 ns / 1 ns", file=f) + for f in [sim_f, ref_f]: + print("`ifdef SYNTHESIS", file=f) + print(" `define delay(n)", file=f) + print("`else", file=f) + print(" `define delay(n) #n;", file=f) + print("`endif", file=f) + for k2 in range(1 if debug_mode else 10): create_bram(dsc_f, sim_f, ref_f, tb_f, k1, k2) |