diff options
Diffstat (limited to 'techlibs/xilinx/cells_sim.v')
-rw-r--r-- | techlibs/xilinx/cells_sim.v | 115 |
1 files changed, 91 insertions, 24 deletions
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index 2731cb454..50f66d89d 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -29,24 +29,35 @@ module GND(output G); assign G = 0; endmodule -module IBUF(output O, input I); +module IBUF( + output O, + (* iopad_external_pin *) + input I); parameter IOSTANDARD = "default"; parameter IBUF_LOW_PWR = 0; assign O = I; endmodule -module OBUF(output O, input I); +module OBUF( + (* iopad_external_pin *) + output O, + input I); parameter IOSTANDARD = "default"; parameter DRIVE = 12; parameter SLEW = "SLOW"; assign O = I; endmodule -module BUFG(output O, input I); +module BUFG( + (* clkbuf_driver *) + output O, + input I); + assign O = I; endmodule module BUFGCTRL( + (* clkbuf_driver *) output O, input I0, input I1, input S0, input S1, @@ -72,7 +83,11 @@ assign O = S0_true ? I0_internal : (S1_true ? I1_internal : INIT_OUT); endmodule -module BUFHCE(output O, input I, input CE); +module BUFHCE( + (* clkbuf_driver *) + output O, + input I, + input CE); parameter [0:0] INIT_OUT = 1'b0; parameter CE_TYPE = "SYNC"; @@ -181,8 +196,16 @@ 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 *) + output [3:0] CO, + output [3:0] O, + (* abc_carry *) + 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]; @@ -213,7 +236,7 @@ endmodule `endif -module FDRE (output reg Q, input C, CE, D, R); +module FDRE (output reg Q, (* clkbuf_sink *) input C, input CE, D, R); parameter [0:0] INIT = 1'b0; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -225,7 +248,7 @@ module FDRE (output reg Q, input C, CE, D, R); endcase endgenerate endmodule -module FDSE (output reg Q, input C, CE, D, S); +module FDSE (output reg Q, (* clkbuf_sink *) input C, input CE, D, S); parameter [0:0] INIT = 1'b1; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -237,7 +260,7 @@ module FDSE (output reg Q, input C, CE, D, S); endcase endgenerate endmodule -module FDCE (output reg Q, input C, CE, D, CLR); +module FDCE (output reg Q, (* clkbuf_sink *) input C, input CE, D, CLR); parameter [0:0] INIT = 1'b0; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -251,7 +274,7 @@ module FDCE (output reg Q, input C, CE, D, CLR); endcase endgenerate endmodule -module FDPE (output reg Q, input C, CE, D, PRE); +module FDPE (output reg Q, (* clkbuf_sink *) input C, input CE, D, PRE); parameter [0:0] INIT = 1'b1; parameter [0:0] IS_C_INVERTED = 1'b0; parameter [0:0] IS_D_INVERTED = 1'b0; @@ -265,34 +288,39 @@ module FDPE (output reg Q, input C, CE, D, PRE); endcase endgenerate endmodule -module FDRE_1 (output reg Q, input C, CE, D, R); +module FDRE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, R); parameter [0:0] INIT = 1'b0; initial Q <= INIT; always @(negedge C) if (R) Q <= 1'b0; else if(CE) Q <= D; endmodule -module FDSE_1 (output reg Q, input C, CE, D, S); +module FDSE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, S); parameter [0:0] INIT = 1'b1; initial Q <= INIT; always @(negedge C) if (S) Q <= 1'b1; else if(CE) Q <= D; endmodule -module FDCE_1 (output reg Q, input C, CE, D, CLR); +module FDCE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, CLR); parameter [0:0] INIT = 1'b0; initial Q <= INIT; always @(negedge C, posedge CLR) if (CLR) Q <= 1'b0; else if (CE) Q <= D; endmodule -module FDPE_1 (output reg Q, input C, CE, D, PRE); +module FDPE_1 (output reg Q, (* clkbuf_sink *) input C, input CE, D, PRE); parameter [0:0] INIT = 1'b1; initial Q <= INIT; 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, + (* clkbuf_sink *) + input WCLK, + (* abc_scc_break *) + input WE, input A0, A1, A2, A3, A4, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4 ); @@ -307,10 +335,15 @@ 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, + (* clkbuf_sink *) + input WCLK, + (* abc_scc_break *) + input WE, input A0, A1, A2, A3, A4, A5, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5 ); @@ -325,10 +358,15 @@ 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, + (* clkbuf_sink *) + input WCLK, + (* abc_scc_break *) + input WE, input [6:0] A, DPRA ); parameter INIT = 128'h0; @@ -342,19 +380,45 @@ endmodule module SRL16E ( output Q, - input A0, A1, A2, A3, CE, CLK, D + input A0, A1, A2, A3, CE, + (* clkbuf_sink *) + input CLK, + input D +); + parameter [15:0] INIT = 16'h0000; + parameter [0:0] IS_CLK_INVERTED = 1'b0; + + reg [15:0] r = INIT; + assign Q = r[{A3,A2,A1,A0}]; + generate + if (IS_CLK_INVERTED) begin + always @(negedge CLK) if (CE) r <= { r[14:0], D }; + end + else + always @(posedge CLK) if (CE) r <= { r[14:0], D }; + endgenerate +endmodule + +module SRLC16E ( + output Q, + output Q15, + input A0, A1, A2, A3, CE, + (* clkbuf_sink *) + input CLK, + input D ); parameter [15:0] INIT = 16'h0000; parameter [0:0] IS_CLK_INVERTED = 1'b0; reg [15:0] r = INIT; + assign Q15 = r[15]; assign Q = r[{A3,A2,A1,A0}]; generate if (IS_CLK_INVERTED) begin always @(negedge CLK) if (CE) r <= { r[14:0], D }; end else - always @(posedge CLK) if (CE) r <= { r[14:0], D }; + always @(posedge CLK) if (CE) r <= { r[14:0], D }; endgenerate endmodule @@ -362,7 +426,10 @@ module SRLC32E ( output Q, output Q31, input [4:0] A, - input CE, CLK, D + input CE, + (* clkbuf_sink *) + input CLK, + input D ); parameter [31:0] INIT = 32'h00000000; parameter [0:0] IS_CLK_INVERTED = 1'b0; @@ -413,7 +480,7 @@ module DSP48E1 ( input CEINMODE, input CEM, input CEP, - input CLK, + (* clkbuf_sink *) input CLK, input [24:0] D, input [4:0] INMODE, input MULTSIGNIN, |