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author | SergeyDegtyar <sndegtyar@gmail.com> | 2019-08-30 09:45:33 +0300 |
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committer | SergeyDegtyar <sndegtyar@gmail.com> | 2019-08-30 09:45:33 +0300 |
commit | d144748401df3f6d527771e6d30cc1eb1e08734e (patch) | |
tree | 9a5b4c5701698722b3bbab0b821ec12299436358 /tests | |
parent | eb0a5b2293d005d3a6a2d680b40f1449a489204d (diff) | |
download | yosys-d144748401df3f6d527771e6d30cc1eb1e08734e.tar.gz yosys-d144748401df3f6d527771e6d30cc1eb1e08734e.tar.bz2 yosys-d144748401df3f6d527771e6d30cc1eb1e08734e.zip |
Add new tests.
Diffstat (limited to 'tests')
-rw-r--r-- | tests/ice40/alu.v | 19 | ||||
-rw-r--r-- | tests/ice40/alu.ys | 11 | ||||
-rw-r--r-- | tests/ice40/counter.v | 17 | ||||
-rw-r--r-- | tests/ice40/counter.ys | 11 | ||||
-rw-r--r-- | tests/ice40/fsm.v | 73 | ||||
-rw-r--r-- | tests/ice40/fsm.ys | 13 | ||||
-rw-r--r-- | tests/ice40/logic.v | 18 | ||||
-rw-r--r-- | tests/ice40/logic.ys | 7 | ||||
-rw-r--r-- | tests/ice40/shifter.v | 22 | ||||
-rw-r--r-- | tests/ice40/shifter.ys | 9 |
10 files changed, 200 insertions, 0 deletions
diff --git a/tests/ice40/alu.v b/tests/ice40/alu.v new file mode 100644 index 000000000..f82cc2e21 --- /dev/null +++ b/tests/ice40/alu.v @@ -0,0 +1,19 @@ +module top ( + input clock, + input [31:0] dinA, dinB, + input [2:0] opcode, + output reg [31:0] dout +); + always @(posedge clock) begin + case (opcode) + 0: dout <= dinA + dinB; + 1: dout <= dinA - dinB; + 2: dout <= dinA >> dinB; + 3: dout <= $signed(dinA) >>> dinB; + 4: dout <= dinA << dinB; + 5: dout <= dinA & dinB; + 6: dout <= dinA | dinB; + 7: dout <= dinA ^ dinB; + endcase + end +endmodule diff --git a/tests/ice40/alu.ys b/tests/ice40/alu.ys new file mode 100644 index 000000000..bd859efc4 --- /dev/null +++ b/tests/ice40/alu.ys @@ -0,0 +1,11 @@ +read_verilog alu.v +hierarchy -top top +proc +flatten +equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check +design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) +cd top # Constrain all select calls below inside the top module +select -assert-count 62 t:SB_CARRY +select -assert-count 32 t:SB_DFF +select -assert-count 655 t:SB_LUT4 +select -assert-none t:SB_CARRY t:SB_DFF t:SB_LUT4 %% t:* %D diff --git a/tests/ice40/counter.v b/tests/ice40/counter.v new file mode 100644 index 000000000..52852f8ac --- /dev/null +++ b/tests/ice40/counter.v @@ -0,0 +1,17 @@ +module top (
+out,
+clk,
+reset
+);
+ output [7:0] out;
+ input clk, reset;
+ reg [7:0] out;
+
+ always @(posedge clk, posedge reset)
+ if (reset) begin
+ out <= 8'b0 ;
+ end else
+ out <= out + 1;
+
+
+endmodule
diff --git a/tests/ice40/counter.ys b/tests/ice40/counter.ys new file mode 100644 index 000000000..fb32e67a5 --- /dev/null +++ b/tests/ice40/counter.ys @@ -0,0 +1,11 @@ +read_verilog counter.v +hierarchy -top top +proc +flatten +equiv_opt -map +/ice40/cells_sim.v synth_ice40 # equivalency check +design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) +cd top # Constrain all select calls below inside the top module +select -assert-count 7 t:SB_CARRY +select -assert-count 8 t:SB_DFFR +select -assert-count 8 t:SB_LUT4 +select -assert-none t:SB_CARRY t:SB_DFFR t:SB_LUT4 %% t:* %D diff --git a/tests/ice40/fsm.v b/tests/ice40/fsm.v new file mode 100644 index 000000000..0605bd102 --- /dev/null +++ b/tests/ice40/fsm.v @@ -0,0 +1,73 @@ + module fsm (
+ clock,
+ reset,
+ req_0,
+ req_1,
+ gnt_0,
+ gnt_1
+ );
+ input clock,reset,req_0,req_1;
+ output gnt_0,gnt_1;
+ wire clock,reset,req_0,req_1;
+ reg gnt_0,gnt_1;
+
+ parameter SIZE = 3 ;
+ parameter IDLE = 3'b001,GNT0 = 3'b010,GNT1 = 3'b100,GNT2 = 3'b101 ;
+
+ reg [SIZE-1:0] state;
+ reg [SIZE-1:0] next_state;
+
+ always @ (posedge clock)
+ begin : FSM
+ if (reset == 1'b1) begin
+ state <= #1 IDLE;
+ gnt_0 <= 0;
+ gnt_1 <= 0;
+ end else
+ case(state)
+ IDLE : if (req_0 == 1'b1) begin
+ state <= #1 GNT0;
+ gnt_0 <= 1;
+ end else if (req_1 == 1'b1) begin
+ gnt_1 <= 1;
+ state <= #1 GNT0;
+ end else begin
+ state <= #1 IDLE;
+ end
+ GNT0 : if (req_0 == 1'b1) begin
+ state <= #1 GNT0;
+ end else begin
+ gnt_0 <= 0;
+ state <= #1 IDLE;
+ end
+ GNT1 : if (req_1 == 1'b1) begin
+ state <= #1 GNT2;
+ gnt_1 <= req_0;
+ end
+ GNT2 : if (req_0 == 1'b1) begin
+ state <= #1 GNT1;
+ gnt_1 <= req_1;
+ end
+ default : state <= #1 IDLE;
+ endcase
+ end
+
+ endmodule
+
+ module top (
+input clk,
+input rst,
+input a,
+input b,
+output g0,
+output g1
+);
+
+fsm u_fsm ( .clock(clk),
+ .reset(rst),
+ .req_0(a),
+ .req_1(b),
+ .gnt_0(g0),
+ .gnt_1(g1));
+
+endmodule
diff --git a/tests/ice40/fsm.ys b/tests/ice40/fsm.ys new file mode 100644 index 000000000..4cc8629d6 --- /dev/null +++ b/tests/ice40/fsm.ys @@ -0,0 +1,13 @@ +read_verilog fsm.v +hierarchy -top top +proc +flatten +equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check +design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) +cd top # Constrain all select calls below inside the top module + +select -assert-count 2 t:SB_DFFESR +select -assert-count 2 t:SB_DFFSR +select -assert-count 1 t:SB_DFFSS +select -assert-count 13 t:SB_LUT4 +select -assert-none t:SB_DFFESR t:SB_DFFSR t:SB_DFFSS t:SB_LUT4 %% t:* %D diff --git a/tests/ice40/logic.v b/tests/ice40/logic.v new file mode 100644 index 000000000..e5343cae0 --- /dev/null +++ b/tests/ice40/logic.v @@ -0,0 +1,18 @@ +module top +( + input [0:7] in, + output B1,B2,B3,B4,B5,B6,B7,B8,B9,B10 + ); + + assign B1 = in[0] & in[1]; + assign B2 = in[0] | in[1]; + assign B3 = in[0] ~& in[1]; + assign B4 = in[0] ~| in[1]; + assign B5 = in[0] ^ in[1]; + assign B6 = in[0] ~^ in[1]; + assign B7 = ~in[0]; + assign B8 = in[0]; + assign B9 = in[0:1] && in [2:3]; + assign B10 = in[0:1] || in [2:3]; + +endmodule diff --git a/tests/ice40/logic.ys b/tests/ice40/logic.ys new file mode 100644 index 000000000..fc5e5b1d8 --- /dev/null +++ b/tests/ice40/logic.ys @@ -0,0 +1,7 @@ +read_verilog logic.v +hierarchy -top top +equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check +design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) +cd top # Constrain all select calls below inside the top module +select -assert-count 9 t:SB_LUT4 +select -assert-none t:SB_LUT4 %% t:* %D diff --git a/tests/ice40/shifter.v b/tests/ice40/shifter.v new file mode 100644 index 000000000..c55632552 --- /dev/null +++ b/tests/ice40/shifter.v @@ -0,0 +1,22 @@ +module top (
+out,
+clk,
+in
+);
+ output [7:0] out;
+ input signed clk, in;
+ reg signed [7:0] out = 0;
+
+ always @(posedge clk)
+ begin
+`ifndef BUG
+ out <= out >> 1;
+ out[7] <= in;
+`else
+
+ out <= out << 1;
+ out[7] <= in;
+`endif
+ end
+
+endmodule
diff --git a/tests/ice40/shifter.ys b/tests/ice40/shifter.ys new file mode 100644 index 000000000..47d95d298 --- /dev/null +++ b/tests/ice40/shifter.ys @@ -0,0 +1,9 @@ +read_verilog shifter.v +hierarchy -top top +proc +flatten +equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check +design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) +cd top # Constrain all select calls below inside the top module +select -assert-count 8 t:SB_DFF +select -assert-none t:SB_DFF %% t:* %D |