diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/fsm/generate.py | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/tests/fsm/generate.py b/tests/fsm/generate.py index 722bd62a..ca0718b2 100644 --- a/tests/fsm/generate.py +++ b/tests/fsm/generate.py @@ -32,8 +32,15 @@ def random_expr(variables): for idx in range(50): with file('temp/uut_%05d.v' % idx, 'w') as f, redirect_stdout(f): - print('module uut_%05d(clk, rst, a, b, c, x, y, z);' % (idx)) - print(' input clk, rst;') + rst2 = random.choice([False, True]) + if rst2: + print('module uut_%05d(clk, rst1, rst2, rst, a, b, c, x, y, z);' % (idx)) + print(' input clk, rst1, rst2;') + print(' output rst;') + print(' assign rst = rst1 || rst2;') + else: + print('module uut_%05d(clk, rst, a, b, c, x, y, z);' % (idx)) + print(' input clk, rst;') variables=['a', 'b', 'c', 'x', 'y', 'z'] print(' input%s [%d:0] a;' % (random.choice(['', ' signed']), random.randint(0, 31))) print(' input%s [%d:0] b;' % (random.choice(['', ' signed']), random.randint(0, 31))) @@ -41,14 +48,15 @@ for idx in range(50): print(' output reg%s [%d:0] x;' % (random.choice(['', ' signed']), random.randint(0, 31))) print(' output reg%s [%d:0] y;' % (random.choice(['', ' signed']), random.randint(0, 31))) print(' output reg%s [%d:0] z;' % (random.choice(['', ' signed']), random.randint(0, 31))) - print(' reg [15:0] state;') + state_bits = random.randint(5, 16); + print(' reg [%d:0] state;' % (state_bits-1)) states=[] for i in range(random.randint(2, 10)): - n = random.randint(0, 2**16-1) + n = random.randint(0, 2**state_bits-1) if n not in states: states.append(n) print(' always @(posedge clk) begin') - print(' if (rst) begin') + print(' if (%s) begin' % ('rst1' if rst2 else 'rst')) print(' x <= %d;' % random.randint(0, 2**31-1)) print(' y <= %d;' % random.randint(0, 2**31-1)) print(' z <= %d;' % random.randint(0, 2**31-1)) @@ -67,6 +75,13 @@ for idx in range(50): random.choice(['<', '<=', '>=', '>']), random_expr(variables), next_state)) print(' end') print(' endcase') + if rst2: + print(' if (rst2) begin') + print(' x <= a;') + print(' y <= b;') + print(' z <= c;') + print(' state <= %d;' % random.choice(states)) + print(' end') print(' end') print(' end') print('endmodule') @@ -76,8 +91,8 @@ for idx in range(50): print('copy uut_%05d gold' % idx) print('rename uut_%05d gate' % idx) print('cd gate') - print('opt; wreduce; share; opt; fsm;;') + print('opt; wreduce; share%s; opt; fsm;;' % random.choice(['', ' -aggressive'])) print('cd ..') print('miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp gold gate miter') - print('sat -verify-no-timeout -timeout 20 -seq 5 -set-at 1 in_rst 1 -prove trigger 0 -prove-skip 1 -show-inputs -show-outputs miter') + print('sat -verify-no-timeout -timeout 20 -seq 5 -set-at 1 %s_rst 1 -prove trigger 0 -prove-skip 1 -show-inputs -show-outputs miter' % ('gold' if rst2 else 'in')) |