diff options
Diffstat (limited to 'techlibs/xilinx/cells_sim.v')
| -rw-r--r-- | techlibs/xilinx/cells_sim.v | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index f4598dcf4..5a148be01 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -159,10 +159,12 @@ module MUXCY(output O, input CI, DI, S); assign O = S ? CI : DI; endmodule +(* abc_box_id = 1, lib_whitebox *) module MUXF7(output O, input I0, I1, S); assign O = S ? I1 : I0; endmodule +(* abc_box_id = 2, lib_whitebox *) module MUXF8(output O, input I0, I1, S); assign O = S ? I1 : I0; endmodule @@ -171,6 +173,7 @@ module XORCY(output O, input CI, LI); assign O = CI ^ LI; endmodule +(* abc_box_id = 3, abc_carry="CI,CO", lib_whitebox *) module CARRY4(output [3:0] CO, O, input CI, CYINIT, input [3:0] DI, S); assign O = S ^ {CO[2:0], CI | CYINIT}; assign CO[0] = S[0] ? CI | CYINIT : DI[0]; @@ -278,6 +281,7 @@ 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 = 4, abc_scc_break="D,WE" *) module RAM32X1D ( output DPO, SPO, input D, WCLK, WE, @@ -295,6 +299,7 @@ module RAM32X1D ( always @(posedge clk) if (WE) mem[a] <= D; endmodule +(* abc_box_id = 5, abc_scc_break="D,WE" *) module RAM64X1D ( output DPO, SPO, input D, WCLK, WE, @@ -312,6 +317,7 @@ module RAM64X1D ( always @(posedge clk) if (WE) mem[a] <= D; endmodule +(* abc_box_id = 6, abc_scc_break="D,WE" *) module RAM128X1D ( output DPO, SPO, input D, WCLK, WE, |