From 562c9e362487e0aa3a3d250a1a0a8cfcf10cafaa Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Fri, 16 Aug 2019 15:40:53 -0700 Subject: [PATCH] Attach abc_scc_break, abc_carry_{in,out} attr to ports not modules --- techlibs/xilinx/cells_sim.v | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index 05e46b4e7..910d0e246 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -181,8 +181,14 @@ module XORCY(output O, input CI, LI); assign O = CI ^ LI; endmodule -(* abc_box_id = 4, abc_carry="CI,CO", lib_whitebox *) -module CARRY4(output [3:0] CO, O, input CI, CYINIT, input [3:0] DI, S); +(* abc_box_id = 4, lib_whitebox *) +module CARRY4( + (* abc_carry_out *) output [3:0] CO, + output [3:0] O, + (* abc_carry_in *) input CI, + input CYINIT, + input [3:0] DI, S +); assign O = S ^ {CO[2:0], CI | CYINIT}; assign CO[0] = S[0] ? CI | CYINIT : DI[0]; assign CO[1] = S[1] ? CO[0] : DI[1]; @@ -289,10 +295,12 @@ module FDPE_1 (output reg Q, input C, CE, D, PRE); always @(negedge C, posedge PRE) if (PRE) Q <= 1'b1; else if (CE) Q <= D; endmodule -(* abc_box_id = 5, abc_scc_break="D,WE" *) +(* abc_box_id = 5 *) module RAM32X1D ( output DPO, SPO, - input D, WCLK, WE, + (* abc_scc_break *) input D, + input WCLK, + (* abc_scc_break *) input WE, input A0, A1, A2, A3, A4, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4 ); @@ -307,10 +315,12 @@ module RAM32X1D ( always @(posedge clk) if (WE) mem[a] <= D; endmodule -(* abc_box_id = 6, abc_scc_break="D,WE" *) +(* abc_box_id = 6 *) module RAM64X1D ( output DPO, SPO, - input D, WCLK, WE, + (* abc_scc_break *) input D, + input WCLK, + (* abc_scc_break *) input WE, input A0, A1, A2, A3, A4, A5, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5 ); @@ -325,10 +335,12 @@ module RAM64X1D ( always @(posedge clk) if (WE) mem[a] <= D; endmodule -(* abc_box_id = 7, abc_scc_break="D,WE" *) +(* abc_box_id = 7 *) module RAM128X1D ( output DPO, SPO, - input D, WCLK, WE, + (* abc_scc_break *) input D, + input WCLK, + (* abc_scc_break *) input WE, input [6:0] A, DPRA ); parameter INIT = 128'h0; -- 2.30.2