From d144748401df3f6d527771e6d30cc1eb1e08734e Mon Sep 17 00:00:00 2001 From: SergeyDegtyar <sndegtyar@gmail.com> Date: Fri, 30 Aug 2019 09:45:33 +0300 Subject: Add new tests. --- tests/ice40/alu.v | 19 +++++++++++++ tests/ice40/alu.ys | 11 ++++++++ tests/ice40/counter.v | 17 ++++++++++++ tests/ice40/counter.ys | 11 ++++++++ tests/ice40/fsm.v | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/ice40/fsm.ys | 13 +++++++++ tests/ice40/logic.v | 18 +++++++++++++ tests/ice40/logic.ys | 7 +++++ tests/ice40/shifter.v | 22 +++++++++++++++ tests/ice40/shifter.ys | 9 +++++++ 10 files changed, 200 insertions(+) create mode 100644 tests/ice40/alu.v create mode 100644 tests/ice40/alu.ys create mode 100644 tests/ice40/counter.v create mode 100644 tests/ice40/counter.ys create mode 100644 tests/ice40/fsm.v create mode 100644 tests/ice40/fsm.ys create mode 100644 tests/ice40/logic.v create mode 100644 tests/ice40/logic.ys create mode 100644 tests/ice40/shifter.v create mode 100644 tests/ice40/shifter.ys 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 -- cgit v1.2.3