From: Eddie Hung Date: Fri, 19 Apr 2019 00:46:53 +0000 (-0700) Subject: Annotate SB_DFF* with abc_flop and abc_box_id X-Git-Tag: working-ls180~1237^2~182 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cf66416110f60b7dce10a78960898ceb52f51626;p=yosys.git Annotate SB_DFF* with abc_flop and abc_box_id --- diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v index dba563e37..a6f1fc9de 100644 --- a/techlibs/ice40/cells_sim.v +++ b/techlibs/ice40/cells_sim.v @@ -118,7 +118,7 @@ endmodule // SiliconBlue Logic Cells -(* abc_box_id = 2 *) +(* abc_box_id = 22 * module SB_LUT4 (output O, input I0, I1, I2, I3); parameter [15:0] LUT_INIT = 0; wire [7:0] s3 = I3 ? LUT_INIT[15:8] : LUT_INIT[7:0]; @@ -127,25 +127,35 @@ module SB_LUT4 (output O, input I0, I1, I2, I3); assign O = I0 ? s1[1] : s1[0]; endmodule -(* abc_box_id = 1, whitebox *) +(* abc_box_id = 21, whitebox *) module SB_CARRY (output CO, input I0, I1, CI); assign CO = (I0 && I1) || ((I0 || I1) && CI); endmodule // Positive Edge SiliconBlue FF Cells -module SB_DFF ((* abc_flop_q *) output `SB_DFF_REG, input C, D); +(* abc_box_id = 1, abc_flop *) +`ifdef ABC_FLOPS + (* whitebox *) +`endif +module SB_DFF ((* abc_flop_q *) output `SB_DFF_REG, input C, (* abc_flop_d *) input D); +`ifndef ABC_FLOPS always @(posedge C) Q <= D; +`else + assign Q = D; +`endif endmodule -module SB_DFFE ((* abc_flop_q *) output `SB_DFF_REG, input C, E, D); +//(* abc_box_id = 2, abc_flop *) +module SB_DFFE ((* abc_flop_q *) output `SB_DFF_REG, input C, E, (* abc_flop_d *) input D); always @(posedge C) if (E) Q <= D; endmodule -module SB_DFFSR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, D); +//(* abc_box_id = 3, abc_flop *) +module SB_DFFSR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, (* abc_flop_d *) input D); always @(posedge C) if (R) Q <= 0; @@ -153,7 +163,8 @@ module SB_DFFSR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, D); Q <= D; endmodule -module SB_DFFR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, D); +//(* abc_box_id = 4, abc_flop *) +module SB_DFFR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, (* abc_flop_d *) input D); always @(posedge C, posedge R) if (R) Q <= 0; @@ -161,7 +172,8 @@ module SB_DFFR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, D); Q <= D; endmodule -module SB_DFFSS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, D); +//(* abc_box_id = 5, abc_flop *) +module SB_DFFSS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, (* abc_flop_d *) input D); always @(posedge C) if (S) Q <= 1; @@ -169,7 +181,8 @@ module SB_DFFSS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, D); Q <= D; endmodule -module SB_DFFS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, D); +//(* abc_box_id = 6, abc_flop *) +module SB_DFFS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, (* abc_flop_d *) input D); always @(posedge C, posedge S) if (S) Q <= 1; @@ -177,7 +190,8 @@ module SB_DFFS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, D); Q <= D; endmodule -module SB_DFFESR ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, D); +//(* abc_box_id = 7, abc_flop *) +module SB_DFFESR ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, (* abc_flop_d *) input D); always @(posedge C) if (E) begin if (R) @@ -187,7 +201,8 @@ module SB_DFFESR ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, D); end endmodule -module SB_DFFER ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, D); +//(* abc_box_id = 8, abc_flop *) +module SB_DFFER ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, (* abc_flop_d *) input D); always @(posedge C, posedge R) if (R) Q <= 0; @@ -195,7 +210,8 @@ module SB_DFFER ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, D); Q <= D; endmodule -module SB_DFFESS ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, D); +//(* abc_box_id = 9, abc_flop *) +module SB_DFFESS ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, (* abc_flop_d *) input D); always @(posedge C) if (E) begin if (S) @@ -205,7 +221,8 @@ module SB_DFFESS ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, D); end endmodule -module SB_DFFES ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, D); +//(* abc_box_id = 10, abc_flop *) +module SB_DFFES ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, (* abc_flop_d *) input D); always @(posedge C, posedge S) if (S) Q <= 1; @@ -215,18 +232,21 @@ endmodule // Negative Edge SiliconBlue FF Cells -module SB_DFFN ((* abc_flop_q *) output `SB_DFF_REG, input C, D); +//(* abc_box_id = 11, abc_flop *) +module SB_DFFN ((* abc_flop_q *) output `SB_DFF_REG, input C, (* abc_flop_d *) input D); always @(negedge C) Q <= D; endmodule -module SB_DFFNE ((* abc_flop_q *) output `SB_DFF_REG, input C, E, D); +//(* abc_box_id = 12, abc_flop *) +module SB_DFFNE ((* abc_flop_q *) output `SB_DFF_REG, input C, E, (* abc_flop_d *) input D); always @(negedge C) if (E) Q <= D; endmodule -module SB_DFFNSR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, D); +//(* abc_box_id = 13, abc_flop *) +module SB_DFFNSR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, (* abc_flop_d *) input D); always @(negedge C) if (R) Q <= 0; @@ -234,7 +254,8 @@ module SB_DFFNSR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, D); Q <= D; endmodule -module SB_DFFNR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, D); +//(* abc_box_id = 14, abc_flop *) +module SB_DFFNR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, (* abc_flop_d *) input D); always @(negedge C, posedge R) if (R) Q <= 0; @@ -242,7 +263,8 @@ module SB_DFFNR ((* abc_flop_q *) output `SB_DFF_REG, input C, R, D); Q <= D; endmodule -module SB_DFFNSS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, D); +//(* abc_box_id = 15, abc_flop *) +module SB_DFFNSS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, (* abc_flop_d *) input D); always @(negedge C) if (S) Q <= 1; @@ -250,7 +272,8 @@ module SB_DFFNSS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, D); Q <= D; endmodule -module SB_DFFNS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, D); +//(* abc_box_id = 16, abc_flop *) +module SB_DFFNS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, (* abc_flop_d *) input D); always @(negedge C, posedge S) if (S) Q <= 1; @@ -258,7 +281,8 @@ module SB_DFFNS ((* abc_flop_q *) output `SB_DFF_REG, input C, S, D); Q <= D; endmodule -module SB_DFFNESR ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, D); +//(* abc_box_id = 17, abc_flop *) +module SB_DFFNESR ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, (* abc_flop_d *) input D); always @(negedge C) if (E) begin if (R) @@ -268,7 +292,8 @@ module SB_DFFNESR ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, D); end endmodule -module SB_DFFNER ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, D); +//(* abc_box_id = 18, abc_flop *) +module SB_DFFNER ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, (* abc_flop_d *) input D); always @(negedge C, posedge R) if (R) Q <= 0; @@ -276,7 +301,8 @@ module SB_DFFNER ((* abc_flop_q *) output `SB_DFF_REG, input C, E, R, D); Q <= D; endmodule -module SB_DFFNESS ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, D); +//(* abc_box_id = 19, abc_flop *) +module SB_DFFNESS ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, (* abc_flop_d *) input D); always @(negedge C) if (E) begin if (S) @@ -286,7 +312,8 @@ module SB_DFFNESS ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, D); end endmodule -module SB_DFFNES ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, D); +//(* abc_box_id = 20, abc_flop *) +module SB_DFFNES ((* abc_flop_q *) output `SB_DFF_REG, input C, E, S, (* abc_flop_d *) input D); always @(negedge C, posedge S) if (S) Q <= 1;