diff options
Diffstat (limited to 'techlibs/xilinx/cells_sim.v')
| -rw-r--r-- | techlibs/xilinx/cells_sim.v | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index 4162160bb..a079f1c95 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -633,6 +633,41 @@ module FDRSE ( Q <= d; endmodule +module FDRSE_1 ( + output reg Q, + (* clkbuf_sink *) + (* invertible_pin = "IS_C_INVERTED" *) + input C, + (* invertible_pin = "IS_CE_INVERTED" *) + input CE, + (* invertible_pin = "IS_D_INVERTED" *) + input D, + (* invertible_pin = "IS_R_INVERTED" *) + input R, + (* invertible_pin = "IS_S_INVERTED" *) + input S +); + parameter [0:0] INIT = 1'b0; + parameter [0:0] IS_C_INVERTED = 1'b0; + parameter [0:0] IS_CE_INVERTED = 1'b0; + parameter [0:0] IS_D_INVERTED = 1'b0; + parameter [0:0] IS_R_INVERTED = 1'b0; + parameter [0:0] IS_S_INVERTED = 1'b0; + initial Q <= INIT; + wire c = C ^ IS_C_INVERTED; + wire ce = CE ^ IS_CE_INVERTED; + wire d = D ^ IS_D_INVERTED; + wire r = R ^ IS_R_INVERTED; + wire s = S ^ IS_S_INVERTED; + always @(negedge c) + if (r) + Q <= 0; + else if (s) + Q <= 1; + else if (ce) + Q <= d; +endmodule + (* abc9_box, lib_whitebox *) module FDCE ( output reg Q, @@ -837,6 +872,51 @@ module FDCPE ( assign Q = qs ? qp : qc; endmodule +module FDCPE_1 ( + output wire Q, + (* clkbuf_sink *) + (* invertible_pin = "IS_C_INVERTED" *) + input C, + input CE, + (* invertible_pin = "IS_CLR_INVERTED" *) + input CLR, + input D, + (* invertible_pin = "IS_PRE_INVERTED" *) + input PRE +); + parameter [0:0] INIT = 1'b0; + parameter [0:0] IS_C_INVERTED = 1'b0; + parameter [0:0] IS_CLR_INVERTED = 1'b0; + parameter [0:0] IS_PRE_INVERTED = 1'b0; + wire c = C ^ IS_C_INVERTED; + wire clr = CLR ^ IS_CLR_INVERTED; + wire pre = PRE ^ IS_PRE_INVERTED; + // Hacky model to avoid simulation-synthesis mismatches. + reg qc, qp, qs; + initial qc = INIT; + initial qp = INIT; + initial qs = 0; + always @(negedge c, posedge clr) begin + if (clr) + qc <= 0; + else if (CE) + qc <= D; + end + always @(negedge c, posedge pre) begin + if (pre) + qp <= 1; + else if (CE) + qp <= D; + end + always @* begin + if (clr) + qs <= 0; + else if (pre) + qs <= 1; + end + assign Q = qs ? qp : qc; +endmodule + module LDCE ( output reg Q, (* invertible_pin = "IS_CLR_INVERTED" *) @@ -2023,6 +2103,105 @@ module RAM64M8 ( end endmodule +module RAM32X16DR8 ( + output DOA, + output DOB, + output DOC, + output DOD, + output DOE, + output DOF, + output DOG, + output [1:0] DOH, + input [5:0] ADDRA, ADDRB, ADDRC, ADDRD, ADDRE, ADDRF, ADDRG, + input [4:0] ADDRH, + input [1:0] DIA, + input [1:0] DIB, + input [1:0] DIC, + input [1:0] DID, + input [1:0] DIE, + input [1:0] DIF, + input [1:0] DIG, + input [1:0] DIH, + (* clkbuf_sink *) + (* invertible_pin = "IS_WCLK_INVERTED" *) + input WCLK, + input WE +); + parameter [0:0] IS_WCLK_INVERTED = 1'b0; + reg [63:0] mem_a, mem_b, mem_c, mem_d, mem_e, mem_f, mem_g, mem_h; + assign DOA = mem_a[ADDRA]; + assign DOB = mem_b[ADDRB]; + assign DOC = mem_c[ADDRC]; + assign DOD = mem_d[ADDRD]; + assign DOE = mem_e[ADDRE]; + assign DOF = mem_f[ADDRF]; + assign DOG = mem_g[ADDRG]; + assign DOH = mem_h[2*ADDRH+:2]; + wire clk = WCLK ^ IS_WCLK_INVERTED; + always @(posedge clk) + if (WE) begin + mem_a[2*ADDRH+:2] <= DIA; + mem_b[2*ADDRH+:2] <= DIB; + mem_c[2*ADDRH+:2] <= DIC; + mem_d[2*ADDRH+:2] <= DID; + mem_e[2*ADDRH+:2] <= DIE; + mem_f[2*ADDRH+:2] <= DIF; + mem_g[2*ADDRH+:2] <= DIG; + mem_h[2*ADDRH+:2] <= DIH; + end +endmodule + +module RAM64X8SW ( + output [7:0] O, + input [5:0] A, + input D, + (* clkbuf_sink *) + (* invertible_pin = "IS_WCLK_INVERTED" *) + input WCLK, + input WE, + input [2:0] WSEL +); + parameter [63:0] INIT_A = 64'h0000000000000000; + parameter [63:0] INIT_B = 64'h0000000000000000; + parameter [63:0] INIT_C = 64'h0000000000000000; + parameter [63:0] INIT_D = 64'h0000000000000000; + parameter [63:0] INIT_E = 64'h0000000000000000; + parameter [63:0] INIT_F = 64'h0000000000000000; + parameter [63:0] INIT_G = 64'h0000000000000000; + parameter [63:0] INIT_H = 64'h0000000000000000; + parameter [0:0] IS_WCLK_INVERTED = 1'b0; + reg [63:0] mem_a = INIT_A; + reg [63:0] mem_b = INIT_B; + reg [63:0] mem_c = INIT_C; + reg [63:0] mem_d = INIT_D; + reg [63:0] mem_e = INIT_E; + reg [63:0] mem_f = INIT_F; + reg [63:0] mem_g = INIT_G; + reg [63:0] mem_h = INIT_H; + assign O[7] = mem_a[A]; + assign O[6] = mem_b[A]; + assign O[5] = mem_c[A]; + assign O[4] = mem_d[A]; + assign O[3] = mem_e[A]; + assign O[2] = mem_f[A]; + assign O[1] = mem_g[A]; + assign O[0] = mem_h[A]; + wire clk = WCLK ^ IS_WCLK_INVERTED; + always @(posedge clk) + if (WE) begin + case (WSEL) + 3'b111: mem_a[A] <= D; + 3'b110: mem_b[A] <= D; + 3'b101: mem_c[A] <= D; + 3'b100: mem_d[A] <= D; + 3'b011: mem_e[A] <= D; + 3'b010: mem_f[A] <= D; + 3'b001: mem_g[A] <= D; + 3'b000: mem_h[A] <= D; + endcase + end +endmodule + // ROM. module ROM16X1 ( |