From: Eddie Hung Date: Tue, 21 Apr 2020 21:13:38 +0000 (-0700) Subject: xilinx/ecp5/ice40: add (* abc9_flop *) to bypass-able cells X-Git-Tag: working-ls180~549^2~19 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a323881e152c0d51728f3df773ac2f326544b379;p=yosys.git xilinx/ecp5/ice40: add (* abc9_flop *) to bypass-able cells --- diff --git a/techlibs/ecp5/cells_sim.v b/techlibs/ecp5/cells_sim.v index 563592218..6f37823e4 100644 --- a/techlibs/ecp5/cells_sim.v +++ b/techlibs/ecp5/cells_sim.v @@ -186,6 +186,7 @@ module PFUMX (input ALUT, BLUT, C0, output Z); endmodule // --------------------------------------- +(* abc9_box, lib_whitebox *) module TRELLIS_DPR16X4 ( input [3:0] DI, input [3:0] WAD, @@ -222,10 +223,16 @@ module TRELLIS_DPR16X4 ( mem[WAD] <= DI; assign DO = mem[RAD]; + + specify + // TODO + (RAD *> DO) = 0; + endspecify endmodule // --------------------------------------- +(* abc9_box, lib_whitebox *) module DPR16X4C ( input [3:0] DI, input WCK, WRE, @@ -281,6 +288,10 @@ module DPR16X4C ( assign DO = ram[RAD]; + specify + // TODO + (RAD *> DO) = 0; + endspecify endmodule // --------------------------------------- @@ -295,7 +306,7 @@ endmodule // --------------------------------------- `ifdef YOSYS -(* abc9_flop=(SRMODE != "ASYNC"), lib_whitebox=(SRMODE != "ASYNC") *) +(* abc9_flop=(SRMODE != "ASYNC"), abc9_box=(SRMODE == "ASYNC"), lib_whitebox *) `endif module TRELLIS_FF(input CLK, LSR, CE, DI, M, output reg Q); parameter GSR = "ENABLED"; @@ -351,15 +362,27 @@ module TRELLIS_FF(input CLK, LSR, CE, DI, M, output reg Q); $setup(DI, negedge CLK, 0); $setup(CE, negedge CLK, 0); $setup(LSR, negedge CLK, 0); - if (muxlsr) (negedge CLK => (Q : DI)) = 0; - if (!muxlsr && muxce) (negedge CLK => (Q : srval)) = 0; +`ifndef YOSYS + if (muxlsr) (negedge CLK => (Q : srval)) = 0; +`else + if (muxlsr) (LSR => Q) = 0; // Technically, this should be an edge sensitive path + // but for facilitating a bypass box, let's pretend it's + // a simple path +`endif + if (!muxlsr && muxce) (negedge CLK => (Q : DI)) = 0; endspecify else specify $setup(DI, posedge CLK, 0); $setup(CE, posedge CLK, 0); $setup(LSR, posedge CLK, 0); +`ifndef YOSYS if (muxlsr) (posedge CLK => (Q : srval)) = 0; +`else + if (muxlsr) (LSR => Q) = 0; // Technically, this should be an edge sensitive path + // but for facilitating a bypass box, let's pretend it's + // a simple path +`endif if (!muxlsr && muxce) (posedge CLK => (Q : DI)) = 0; endspecify endgenerate diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v index 1b759a28f..ad572c877 100644 --- a/techlibs/ice40/cells_sim.v +++ b/techlibs/ice40/cells_sim.v @@ -372,6 +372,7 @@ module SB_DFFSR ( `endif endmodule +(* abc9_box, lib_whitebox *) module SB_DFFR ( output `SB_DFF_REG, input C, R, D @@ -389,7 +390,13 @@ module SB_DFFR ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63 $setup(negedge R, posedge C, 160); // 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 (!R) (posedge C => (Q : D)) = 540; endspecify @@ -402,7 +409,13 @@ module SB_DFFR ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63 $setup(negedge R, posedge 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 (!R) (posedge C => (Q : D)) = 796; endspecify @@ -415,7 +428,13 @@ module SB_DFFR ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75 $setup(negedge R, posedge 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) (posedge C => (Q : D)) = 1391; endspecify @@ -470,6 +489,7 @@ module SB_DFFSS ( `endif endmodule +(* abc9_box, lib_whitebox *) module SB_DFFS ( output `SB_DFF_REG, input C, S, D @@ -487,7 +507,13 @@ module SB_DFFS ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63 $setup(negedge S, posedge 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) (posedge C => (Q : D)) = 540; endspecify @@ -500,7 +526,13 @@ module SB_DFFS ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63 $setup(negedge S, posedge 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) (posedge C => (Q : D)) = 796; endspecify @@ -513,7 +545,13 @@ module SB_DFFS ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75 $setup(negedge S, posedge 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) (posedge C => (Q : D)) = 1391; endspecify @@ -576,6 +614,7 @@ module SB_DFFESR ( `endif endmodule +(* abc9_box, lib_whitebox *) module SB_DFFER ( output `SB_DFF_REG, input C, E, R, D @@ -595,7 +634,13 @@ module SB_DFFER ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63 $setup(negedge R, posedge C, 160); // 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) (posedge C => (Q : D)) = 540; endspecify @@ -610,7 +655,13 @@ module SB_DFFER ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63 $setup(negedge R, posedge 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) (posedge C => (Q : D)) = 796; endspecify @@ -625,7 +676,13 @@ module SB_DFFER ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75 $setup(negedge R, posedge 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) (posedge C => (Q : D)) = 1391; endspecify @@ -688,6 +745,7 @@ module SB_DFFESS ( `endif endmodule +(* abc9_box, lib_whitebox *) module SB_DFFES ( output `SB_DFF_REG, input C, E, S, D @@ -707,7 +765,13 @@ module SB_DFFES ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63 $setup(posedge S, posedge 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) (posedge C => (Q : D)) = 540; endspecify @@ -722,7 +786,13 @@ module SB_DFFES ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63 $setup(posedge S, posedge 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) (posedge C => (Q : D)) = 796; endspecify @@ -737,7 +807,13 @@ module SB_DFFES ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_up5k.txt#L75 $setup(posedge S, posedge 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) (posedge C => (Q : D)) = 1391; endspecify @@ -891,7 +967,13 @@ module SB_DFFNR ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_hx1k.txt#L63 $setup(negedge R, negedge C, 160); // 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 (!R) (negedge C => (Q : D)) = 540; endspecify @@ -904,7 +986,13 @@ module SB_DFFNR ( // https://github.com/cliffordwolf/icestorm/blob/95949315364f8d9b0c693386aefadf44b28e2cf6/icefuzz/timings_lp1k.txt#L63 $setup(negedge 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 (!R) (negedge C => (Q : D)) = 796; endspecify @@ -917,7 +1005,13 @@ module SB_DFFNR ( // 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 (!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, diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index a6eb9a90e..cd611399e 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -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