mirror of https://github.com/YosysHQ/yosys.git
xilinx/ecp5/ice40: add (* abc9_flop *) to bypass-able cells
This commit is contained in:
Eddie Hung
parent
b3e2538a14
commit
a323881e15
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@ -186,6 +186,7 @@ module PFUMX (input ALUT, BLUT, C0, output Z);
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endmodule
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// ---------------------------------------
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(* abc9_box, lib_whitebox *)
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module TRELLIS_DPR16X4 (
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input [3:0] DI,
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input [3:0] WAD,
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@ -222,10 +223,16 @@ module TRELLIS_DPR16X4 (
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mem[WAD] <= DI;
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assign DO = mem[RAD];
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specify
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// TODO
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(RAD *> DO) = 0;
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endspecify
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endmodule
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// ---------------------------------------
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(* abc9_box, lib_whitebox *)
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module DPR16X4C (
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input [3:0] DI,
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input WCK, WRE,
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@ -281,6 +288,10 @@ module DPR16X4C (
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assign DO = ram[RAD];
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specify
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// TODO
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(RAD *> DO) = 0;
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endspecify
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endmodule
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// ---------------------------------------
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@ -295,7 +306,7 @@ endmodule
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// ---------------------------------------
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`ifdef YOSYS
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(* abc9_flop=(SRMODE != "ASYNC"), lib_whitebox=(SRMODE != "ASYNC") *)
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(* abc9_flop=(SRMODE != "ASYNC"), abc9_box=(SRMODE == "ASYNC"), lib_whitebox *)
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`endif
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module TRELLIS_FF(input CLK, LSR, CE, DI, M, output reg Q);
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parameter GSR = "ENABLED";
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@ -351,15 +362,27 @@ module TRELLIS_FF(input CLK, LSR, CE, DI, M, output reg Q);
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$setup(DI, negedge CLK, 0);
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$setup(CE, negedge CLK, 0);
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$setup(LSR, negedge CLK, 0);
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if (muxlsr) (negedge CLK => (Q : DI)) = 0;
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if (!muxlsr && muxce) (negedge CLK => (Q : srval)) = 0;
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`ifndef YOSYS
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if (muxlsr) (negedge CLK => (Q : srval)) = 0;
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`else
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if (muxlsr) (LSR => Q) = 0; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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if (!muxlsr && muxce) (negedge CLK => (Q : DI)) = 0;
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endspecify
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else
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specify
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$setup(DI, posedge CLK, 0);
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$setup(CE, posedge CLK, 0);
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$setup(LSR, posedge CLK, 0);
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`ifndef YOSYS
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if (muxlsr) (posedge CLK => (Q : srval)) = 0;
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`else
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if (muxlsr) (LSR => Q) = 0; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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if (!muxlsr && muxce) (posedge CLK => (Q : DI)) = 0;
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endspecify
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endgenerate
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@ -372,6 +372,7 @@ module SB_DFFSR (
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`endif
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endmodule
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(* abc9_box, lib_whitebox *)
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module SB_DFFR (
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output `SB_DFF_REG,
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input C, R, D
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@ -389,7 +390,13 @@ module SB_DFFR (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63
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$setup(negedge R, posedge C, 160);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L91
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`ifndef YOSYS
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(posedge R => (Q : 1'b0)) = 599;
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`else
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if (R) (R => Q) = 599; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90
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if (!R) (posedge C => (Q : D)) = 540;
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endspecify
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@ -402,7 +409,13 @@ module SB_DFFR (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63
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$setup(negedge R, posedge C, 235);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L91
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`ifndef YOSYS
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(posedge R => (Q : 1'b0)) = 883;
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`else
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if (R) (R => Q) = 883; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90
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if (!R) (posedge C => (Q : D)) = 796;
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endspecify
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@ -415,7 +428,13 @@ module SB_DFFR (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75
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$setup(negedge R, posedge C, 424);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L103
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`ifndef YOSYS
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(posedge R => (Q : 1'b0)) = 1589;
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`else
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if (R) (R => Q) = 1589; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102
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if (!R) (posedge C => (Q : D)) = 1391;
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endspecify
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@ -470,6 +489,7 @@ module SB_DFFSS (
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`endif
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endmodule
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(* abc9_box, lib_whitebox *)
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module SB_DFFS (
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output `SB_DFF_REG,
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input C, S, D
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@ -487,7 +507,13 @@ module SB_DFFS (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63
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$setup(negedge S, posedge C, 160);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L91
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`ifndef YOSYS
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(posedge S => (Q : 1'b1)) = 599;
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`else
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if (S) (S => Q) = 599; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90
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if (!S) (posedge C => (Q : D)) = 540;
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endspecify
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@ -500,7 +526,13 @@ module SB_DFFS (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63
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$setup(negedge S, posedge C, 235);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L91
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`ifndef YOSYS
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(posedge S => (Q : 1'b1)) = 883;
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`else
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if (S) (S => Q) = 883; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90
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if (!S) (posedge C => (Q : D)) = 796;
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endspecify
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@ -513,7 +545,13 @@ module SB_DFFS (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75
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$setup(negedge S, posedge C, 424);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L103
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`ifndef YOSYS
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(posedge S => (Q : 1'b1)) = 1589;
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`else
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if (S) (S => Q) = 1589; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102
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if (!S) (posedge C => (Q : D)) = 1391;
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endspecify
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@ -576,6 +614,7 @@ module SB_DFFESR (
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`endif
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endmodule
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(* abc9_box, lib_whitebox *)
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module SB_DFFER (
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output `SB_DFF_REG,
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input C, E, R, D
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@ -595,7 +634,13 @@ module SB_DFFER (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63
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$setup(negedge R, posedge C, 160);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L91
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`ifndef YOSYS
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(posedge R => (Q : 1'b0)) = 599;
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`else
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if (R) (R => Q) = 599; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90
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if (E && !R) (posedge C => (Q : D)) = 540;
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endspecify
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@ -610,7 +655,13 @@ module SB_DFFER (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63
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$setup(negedge R, posedge C, 235);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L91
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`ifndef YOSYS
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(posedge R => (Q : 1'b0)) = 883;
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`else
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if (R) (R => Q) = 883; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90
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if (E && !R) (posedge C => (Q : D)) = 796;
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endspecify
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@ -625,7 +676,13 @@ module SB_DFFER (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75
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$setup(negedge R, posedge C, 424);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L103
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`ifndef YOSYS
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(posedge R => (Q : 1'b0)) = 1589;
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`else
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if (R) (R => Q) = 1589; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102
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if (E && !R) (posedge C => (Q : D)) = 1391;
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endspecify
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@ -688,6 +745,7 @@ module SB_DFFESS (
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`endif
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endmodule
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(* abc9_box, lib_whitebox *)
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module SB_DFFES (
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output `SB_DFF_REG,
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input C, E, S, D
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@ -707,7 +765,13 @@ module SB_DFFES (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63
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$setup(posedge S, posedge C, 160);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L91
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`ifndef YOSYS
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(posedge S => (Q : 1'b1)) = 599;
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`else
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if (S) (S => Q) = 599; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90
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if (E && !S) (posedge C => (Q : D)) = 540;
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endspecify
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@ -722,7 +786,13 @@ module SB_DFFES (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63
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$setup(posedge S, posedge C, 235);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L91
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`ifndef YOSYS
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(posedge S => (Q : 1'b1)) = 883;
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`else
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if (S) (S => Q) = 883; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90
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if (E && !S) (posedge C => (Q : D)) = 796;
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endspecify
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@ -737,7 +807,13 @@ module SB_DFFES (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75
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$setup(posedge S, posedge C, 424);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L103
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`ifndef YOSYS
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(posedge S => (Q : 1'b1)) = 1589;
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`else
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if (S) (S => Q) = 1589; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102
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if (E && !S) (posedge C => (Q : D)) = 1391;
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endspecify
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@ -891,7 +967,13 @@ module SB_DFFNR (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63
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$setup(negedge R, negedge C, 160);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L91
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`ifndef YOSYS
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(posedge R => (Q : 1'b0)) = 599;
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`else
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if (R) (R => Q) = 599; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90
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if (!R) (negedge C => (Q : D)) = 540;
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endspecify
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@ -904,7 +986,13 @@ module SB_DFFNR (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63
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$setup(negedge R, negedge C, 235);
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L91
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`ifndef YOSYS
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(posedge R => (Q : 1'b0)) = 883;
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`else
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if (R) (R => Q) = 883; // Technically, this should be an edge sensitive path
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// but for facilitating a bypass box, let's pretend it's
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// a simple path
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`endif
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90
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if (!R) (negedge C => (Q : D)) = 796;
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endspecify
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@ -917,7 +1005,13 @@ module SB_DFFNR (
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// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75
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$setup(negedge R, negedge C, 424);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L103
|
||||
`ifndef YOSYS
|
||||
(posedge R => (Q : 1'b0)) = 1589;
|
||||
`else
|
||||
if (R) (R => Q) = 1589; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102
|
||||
if (!R) (negedge C => (Q : D)) = 1391;
|
||||
endspecify
|
||||
|
|
@ -972,6 +1066,7 @@ module SB_DFFNSS (
|
|||
`endif
|
||||
endmodule
|
||||
|
||||
(* abc9_box, lib_whitebox *)
|
||||
module SB_DFFNS (
|
||||
output `SB_DFF_REG,
|
||||
input C, S, D
|
||||
|
|
@ -989,7 +1084,13 @@ module SB_DFFNS (
|
|||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63
|
||||
$setup(negedge S, negedge C, 160);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L91
|
||||
`ifndef YOSYS
|
||||
(posedge S => (Q : 1'b1)) = 599;
|
||||
`else
|
||||
if (S) (S => Q) = 599; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90
|
||||
if (!S) (negedge C => (Q : D)) = 540;
|
||||
endspecify
|
||||
|
|
@ -1002,7 +1103,13 @@ module SB_DFFNS (
|
|||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63
|
||||
$setup(negedge S, negedge C, 235);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L91
|
||||
`ifndef YOSYS
|
||||
(posedge S => (Q : 1'b1)) = 883;
|
||||
`else
|
||||
if (S) (S => Q) = 883; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90
|
||||
if (!S) (negedge C => (Q : D)) = 796;
|
||||
endspecify
|
||||
|
|
@ -1015,7 +1122,13 @@ module SB_DFFNS (
|
|||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75
|
||||
$setup(negedge S, negedge C, 424);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L103
|
||||
`ifndef YOSYS
|
||||
(posedge S => (Q : 1'b1)) = 1589;
|
||||
`else
|
||||
if (S) (S => Q) = 1589; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102
|
||||
if (!S) (negedge C => (Q : D)) = 1391;
|
||||
endspecify
|
||||
|
|
@ -1078,6 +1191,7 @@ module SB_DFFNESR (
|
|||
`endif
|
||||
endmodule
|
||||
|
||||
(* abc9_box, lib_whitebox *)
|
||||
module SB_DFFNER (
|
||||
output `SB_DFF_REG,
|
||||
input C, E, R, D
|
||||
|
|
@ -1097,7 +1211,13 @@ module SB_DFFNER (
|
|||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63
|
||||
$setup(R, negedge C, 2160);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L91
|
||||
`ifndef YOSYS
|
||||
(posedge R => (Q : 1'b0)) = 599;
|
||||
`else
|
||||
if (R) (R => Q) = 599; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90
|
||||
if (E && !R) (negedge C => (Q : D)) = 540;
|
||||
endspecify
|
||||
|
|
@ -1112,7 +1232,13 @@ module SB_DFFNER (
|
|||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63
|
||||
$setup(R, negedge C, 235);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L91
|
||||
`ifndef YOSYS
|
||||
(posedge R => (Q : 1'b0)) = 883;
|
||||
`else
|
||||
if (R) (R => Q) = 883; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90
|
||||
if (E && !R) (negedge C => (Q : D)) = 796;
|
||||
endspecify
|
||||
|
|
@ -1127,7 +1253,13 @@ module SB_DFFNER (
|
|||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75
|
||||
$setup(negedge R, negedge C, 424);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L103
|
||||
`ifndef YOSYS
|
||||
(posedge R => (Q : 1'b0)) = 1589;
|
||||
`else
|
||||
if (R) (R => Q) = 1589; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102
|
||||
if (E && !R) (negedge C => (Q : D)) = 1391;
|
||||
endspecify
|
||||
|
|
@ -1190,6 +1322,7 @@ module SB_DFFNESS (
|
|||
`endif
|
||||
endmodule
|
||||
|
||||
(* abc9_box, lib_whitebox *)
|
||||
module SB_DFFNES (
|
||||
output `SB_DFF_REG,
|
||||
input C, E, S, D
|
||||
|
|
@ -1209,7 +1342,14 @@ module SB_DFFNES (
|
|||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63
|
||||
$setup(negedge S, negedge C, 160);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L91
|
||||
`ifndef YOSYS
|
||||
(posedge S => (Q : 1'b1)) = 599;
|
||||
`else
|
||||
if (S) (S => Q) = 599; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L90
|
||||
if (E && !S) (negedge C => (Q : D)) = 540;
|
||||
endspecify
|
||||
|
|
@ -1224,7 +1364,13 @@ module SB_DFFNES (
|
|||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63
|
||||
$setup(negedge S, negedge C, 235);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L91
|
||||
`ifndef YOSYS
|
||||
(posedge S => (Q : 1'b1)) = 883;
|
||||
`else
|
||||
if (S) (S => Q) = 883; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L90
|
||||
if (E && !S) (negedge C => (Q : D)) = 796;
|
||||
endspecify
|
||||
|
|
@ -1239,7 +1385,13 @@ module SB_DFFNES (
|
|||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75
|
||||
$setup(negedge S, negedge C, 424);
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L103
|
||||
`ifndef YOSYS
|
||||
(posedge S => (Q : 1'b1)) = 1589;
|
||||
`else
|
||||
if (S) (S => Q) = 1589; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
// https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L102
|
||||
if (E && !S) (negedge C => (Q : D)) = 1391;
|
||||
endspecify
|
||||
|
|
@ -2736,6 +2888,7 @@ module SB_IO_OD (
|
|||
`endif
|
||||
endmodule
|
||||
|
||||
//(* abc9_box, lib_whitebox *) // TODO
|
||||
module SB_MAC16 (
|
||||
input CLK, CE,
|
||||
input [15:0] C, A, B, D,
|
||||
|
|
|
|||
|
|
@ -692,9 +692,14 @@ module FDCE (
|
|||
$setup(CLR, posedge C &&& !IS_C_INVERTED, 404);
|
||||
$setup(CLR, negedge C &&& IS_C_INVERTED, 404);
|
||||
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L270
|
||||
`ifndef YOSYS
|
||||
if (!IS_CLR_INVERTED) (posedge CLR => (Q : 1'b0)) = 764;
|
||||
if ( IS_CLR_INVERTED) (negedge CLR => (Q : 1'b0)) = 764;
|
||||
`else
|
||||
if (IS_CLR_INVERTED != CLR) (CLR => Q) = 764; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
if (!IS_C_INVERTED && CLR == IS_CLR_INVERTED && CE) (posedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
||||
if ( IS_C_INVERTED && CLR == IS_CLR_INVERTED && CE) (negedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
||||
endspecify
|
||||
|
|
@ -720,14 +725,18 @@ module FDCE_1 (
|
|||
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
||||
$setup(CLR, negedge C, 404);
|
||||
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L270
|
||||
`ifndef YOSYS
|
||||
(posedge CLR => (Q : 1'b0)) = 764;
|
||||
`else
|
||||
if (CLR) (CLR => Q) = 764; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
if (!CLR && CE) (negedge C => (Q : D)) = 303;
|
||||
endspecify
|
||||
endmodule
|
||||
|
||||
//(* abc9_box, lib_whitebox *)
|
||||
(* abc9_box, lib_whitebox *)
|
||||
module FDPE (
|
||||
output reg Q,
|
||||
(* clkbuf_sink *)
|
||||
|
|
@ -762,9 +771,14 @@ module FDPE (
|
|||
$setup(PRE, posedge C &&& !IS_C_INVERTED, 404);
|
||||
$setup(PRE, negedge C &&& IS_C_INVERTED, 404);
|
||||
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L270
|
||||
`ifndef YOSYS
|
||||
if (!IS_PRE_INVERTED) (posedge PRE => (Q : 1'b1)) = 764;
|
||||
if ( IS_PRE_INVERTED) (negedge PRE => (Q : 1'b1)) = 764;
|
||||
`else
|
||||
if (IS_PRE_INVERTED != PRE) (PRE => Q) = 764; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
if (!IS_C_INVERTED && PRE == IS_PRE_INVERTED && CE) (posedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
||||
if ( IS_C_INVERTED && PRE == IS_PRE_INVERTED && CE) (negedge C => (Q : D ^ IS_D_INVERTED)) = 303;
|
||||
endspecify
|
||||
|
|
@ -790,9 +804,13 @@ module FDPE_1 (
|
|||
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L274
|
||||
$setup(PRE, negedge C, 404);
|
||||
// https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L270
|
||||
`ifndef YOSYS
|
||||
(posedge PRE => (Q : 1'b1)) = 764;
|
||||
`else
|
||||
if (PRE) (PRE => Q) = 764; // Technically, this should be an edge sensitive path
|
||||
// but for facilitating a bypass box, let's pretend it's
|
||||
// a simple path
|
||||
`endif
|
||||
if (!PRE && CE) (negedge C => (Q : D)) = 303;
|
||||
endspecify
|
||||
endmodule
|
||||
|
|
|
|||
Loading…
Reference in New Issue