[原创]Modelsim后仿真
因调试需要，进行后仿真，ISE生成的sim文件和sdf文件
`timescale ns/ ps module lut_dly (
clkout, fpga_clk, config_in
);
output clkout;
input fpga_clk;
input [ : ] config_in;
wire clk_in;
wire dly1;
wire config_in_4_IBUF_49;
wire config_in_5_IBUF_50;
wire dly2_0;
wire dly3;
wire config_in_2_IBUF_53;
wire config_in_3_IBUF_54;
wire dly4_0;
wire dly5;
wire config_in_0_IBUF_57;
wire config_in_1_IBUF_58;
wire dly2;
wire dly1_pack_1;
wire dly4;
wire dly3_pack_1;
wire clkout_OBUF_129;
wire dly5_pack_1;
wire \config_in<>/INBUF ;
wire \config_in<>/INBUF ;
wire \config_in<>/INBUF ;
wire \config_in<>/INBUF ;
wire \config_in<>/INBUF ;
wire \config_in<>/INBUF ;
wire \clkout/O ;
wire \fpga_clk/INBUF ;
wire VCC;
initial $sdf_annotate("lut_dly_timesim.sdf");
X_BUF #(
.LOC ( "SLICE_X88Y0" ))
\dly2/XUSED (
.I(dly2),
.O(dly2_0)
);
X_BUF #(
.LOC ( "SLICE_X88Y0" ))
\dly2/YUSED (
.I(dly1_pack_1),
.O(dly1)
);
X_LUT4 #(
.INIT ( 'h8888 ),
.LOC ( "SLICE_X88Y0" ))
u_lut6 (
.ADR0(clk_in),
.ADR1(config_in_5_IBUF_50),
.ADR2(VCC),
.ADR3(VCC),
.O(dly1_pack_1)
);
X_BUF #(
.LOC ( "SLICE_X88Y1" ))
\dly4/XUSED (
.I(dly4),
.O(dly4_0)
);
X_BUF #(
.LOC ( "SLICE_X88Y1" ))
\dly4/YUSED (
.I(dly3_pack_1),
.O(dly3)
);
X_LUT4 #(
.INIT ( 'h3C0C ),
.LOC ( "SLICE_X88Y1" ))
u_lut4 (
.ADR0(VCC),
.ADR1(dly2_0),
.ADR2(config_in_3_IBUF_54),
.ADR3(clk_in),
.O(dly3_pack_1)
);
X_BUF #(
.LOC ( "SLICE_X89Y0" ))
\clkout_OBUF/YUSED (
.I(dly5_pack_1),
.O(dly5)
);
X_LUT4 #(
.INIT ( 'h3838 ),
.LOC ( "SLICE_X89Y0" ))
u_lut2 (
.ADR0(clk_in),
.ADR1(config_in_1_IBUF_58),
.ADR2(dly4_0),
.ADR3(VCC),
.O(dly5_pack_1)
);
X_IPAD #(
.LOC ( "PAD685" ))
\config_in<>/PAD (
.PAD(config_in[])
);
X_BUF #(
.LOC ( "PAD685" ))
config_in_0_IBUF (
.I(config_in[]),
.O(\config_in<>/INBUF )
);
X_BUF #(
.LOC ( "PAD685" ))
\config_in<>/IFF/IMUX (
.I(\config_in<>/INBUF ),
.O(config_in_0_IBUF_57)
);
X_IPAD #(
.LOC ( "PAD686" ))
\config_in<>/PAD (
.PAD(config_in[])
);
X_BUF #(
.LOC ( "PAD686" ))
config_in_1_IBUF (
.I(config_in[]),
.O(\config_in<>/INBUF )
);
X_BUF #(
.LOC ( "PAD686" ))
\config_in<>/IFF/IMUX (
.I(\config_in<>/INBUF ),
.O(config_in_1_IBUF_58)
);
X_IPAD #(
.LOC ( "PAD683" ))
\config_in<>/PAD (
.PAD(config_in[])
);
X_BUF #(
.LOC ( "PAD683" ))
config_in_2_IBUF (
.I(config_in[]),
.O(\config_in<>/INBUF )
);
X_BUF #(
.LOC ( "PAD683" ))
\config_in<>/IFF/IMUX (
.I(\config_in<>/INBUF ),
.O(config_in_2_IBUF_53)
);
X_IPAD #(
.LOC ( "PAD681" ))
\config_in<>/PAD (
.PAD(config_in[])
);
X_BUF #(
.LOC ( "PAD681" ))
config_in_3_IBUF (
.I(config_in[]),
.O(\config_in<>/INBUF )
);
X_BUF #(
.LOC ( "PAD681" ))
\config_in<>/IFF/IMUX (
.I(\config_in<>/INBUF ),
.O(config_in_3_IBUF_54)
);
X_IPAD #(
.LOC ( "PAD688" ))
\config_in<>/PAD (
.PAD(config_in[])
);
X_BUF #(
.LOC ( "PAD688" ))
config_in_4_IBUF (
.I(config_in[]),
.O(\config_in<>/INBUF )
);
X_BUF #(
.LOC ( "PAD688" ))
\config_in<>/IFF/IMUX (
.I(\config_in<>/INBUF ),
.O(config_in_4_IBUF_49)
);
X_IPAD #(
.LOC ( "PAD682" ))
\config_in<>/PAD (
.PAD(config_in[])
);
X_BUF #(
.LOC ( "PAD682" ))
config_in_5_IBUF (
.I(config_in[]),
.O(\config_in<>/INBUF )
);
X_BUF #(
.LOC ( "PAD682" ))
\config_in<>/IFF/IMUX (
.I(\config_in<>/INBUF ),
.O(config_in_5_IBUF_50)
);
X_OPAD #(
.LOC ( "PAD680" ))
\clkout/PAD (
.PAD(clkout)
);
X_OBUF #(
.LOC ( "PAD680" ))
clkout_OBUF (
.I(\clkout/O ),
.O(clkout)
);
X_IPAD #(
.LOC ( "PAD684" ))
\fpga_clk/PAD (
.PAD(fpga_clk)
);
X_BUF #(
.LOC ( "PAD684" ))
u_ibufg (
.I(fpga_clk),
.O(\fpga_clk/INBUF )
);
X_BUF #(
.LOC ( "PAD684" ))
\fpga_clk/IFF/IMUX (
.I(\fpga_clk/INBUF ),
.O(clk_in)
);
X_LUT4 #(
.INIT ( 'h0FA0 ),
.LOC ( "SLICE_X88Y0" ))
u_lut5 (
.ADR0(clk_in),
.ADR1(VCC),
.ADR2(config_in_4_IBUF_49),
.ADR3(dly1),
.O(dly2)
);
X_LUT4 #(
.INIT ( 'h3C30 ),
.LOC ( "SLICE_X88Y1" ))
u_lut3 (
.ADR0(VCC),
.ADR1(config_in_2_IBUF_53),
.ADR2(dly3),
.ADR3(clk_in),
.O(dly4)
);
X_LUT4 #(
.INIT ( 'h0AF0 ),
.LOC ( "SLICE_X89Y0" ))
u_lut1 (
.ADR0(clk_in),
.ADR1(VCC),
.ADR2(dly5),
.ADR3(config_in_0_IBUF_57),
.O(clkout_OBUF_129)
);
X_BUF #(
.LOC ( "PAD680" ))
\clkout/OUTPUT/OFF/OMUX (
.I(clkout_OBUF_129),
.O(\clkout/O )
);
X_ONE NlwBlock_lut_dly_VCC (
.O(VCC)
);
endmodule `timescale ps / ps module glbl (); parameter ROC_WIDTH = ;
parameter TOC_WIDTH = ; wire GSR;
wire GTS;
wire PRLD; reg GSR_int;
reg GTS_int;
reg PRLD_int; //-------- JTAG Globals --------------
wire JTAG_TDO_GLBL;
wire JTAG_TCK_GLBL;
wire JTAG_TDI_GLBL;
wire JTAG_TMS_GLBL;
wire JTAG_TRST_GLBL; reg JTAG_CAPTURE_GLBL;
reg JTAG_RESET_GLBL;
reg JTAG_SHIFT_GLBL;
reg JTAG_UPDATE_GLBL; reg JTAG_SEL1_GLBL = ;
reg JTAG_SEL2_GLBL = ;
reg JTAG_SEL3_GLBL = ;
reg JTAG_SEL4_GLBL = ; reg JTAG_USER_TDO1_GLBL = 'bz;
reg JTAG_USER_TDO2_GLBL = 'bz;
reg JTAG_USER_TDO3_GLBL = 'bz;
reg JTAG_USER_TDO4_GLBL = 'bz; assign (weak1, weak0) GSR = GSR_int;
assign (weak1, weak0) GTS = GTS_int;
assign (weak1, weak0) PRLD = PRLD_int; initial begin
GSR_int = 'b1;
PRLD_int = 'b1;
#(ROC_WIDTH)
GSR_int = 'b0;
PRLD_int = 'b0;
end initial begin
GTS_int = 'b1;
#(TOC_WIDTH)
GTS_int = 'b0;
end endmodule
SDF文件
(DELAYFILE
(SDFVERSION "3.0")
(DESIGN "lut_dly")
(DATE "Sun Mar 22 15:04:04 2015")
(VENDOR "Xilinx")
(PROGRAM "Xilinx SDF Writer")
(VERSION "K.31")
(DIVIDER /)
(VOLTAGE 1.425)
(TEMPERATURE )
(TIMESCALE ps)
(CELL (CELLTYPE "X_BUF")
(INSTANCE dly2\/XUSED)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE dly2\/YUSED)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_LUT4")
(INSTANCE u_lut6)
(DELAY
(ABSOLUTE
(PORT ADR0 ( ))
(PORT ADR1 ( ))
(IOPATH ADR0 O ( ))
(IOPATH ADR1 O ( ))
(IOPATH ADR2 O ( ))
(IOPATH ADR3 O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE dly4\/XUSED)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE dly4\/YUSED)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_LUT4")
(INSTANCE u_lut4)
(DELAY
(ABSOLUTE
(PORT ADR1 ( ))
(PORT ADR2 ( ))
(PORT ADR3 ( ))
(IOPATH ADR0 O ( ))
(IOPATH ADR1 O ( ))
(IOPATH ADR2 O ( ))
(IOPATH ADR3 O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE clkout_OBUF\/YUSED)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_LUT4")
(INSTANCE u_lut2)
(DELAY
(ABSOLUTE
(PORT ADR0 ( ))
(PORT ADR1 ( ))
(PORT ADR2 ( ))
(IOPATH ADR0 O ( ))
(IOPATH ADR1 O ( ))
(IOPATH ADR2 O ( ))
(IOPATH ADR3 O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in_0_IBUF)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in\<\>\/IFF\/IMUX)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in_1_IBUF)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in\<\>\/IFF\/IMUX)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in_2_IBUF)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in\<\>\/IFF\/IMUX)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in_3_IBUF)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in\<\>\/IFF\/IMUX)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in_4_IBUF)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in\<\>\/IFF\/IMUX)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in_5_IBUF)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE config_in\<\>\/IFF\/IMUX)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_OBUF")
(INSTANCE clkout_OBUF)
(DELAY
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE u_ibufg)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE fpga_clk\/IFF\/IMUX)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
(CELL (CELLTYPE "X_LUT4")
(INSTANCE u_lut5)
(DELAY
(ABSOLUTE
(PORT ADR0 ( ))
(PORT ADR2 ( ))
(PORT ADR3 ( ))
(IOPATH ADR0 O ( ))
(IOPATH ADR1 O ( ))
(IOPATH ADR2 O ( ))
(IOPATH ADR3 O ( ))
)
)
)
(CELL (CELLTYPE "X_LUT4")
(INSTANCE u_lut3)
(DELAY
(ABSOLUTE
(PORT ADR1 ( ))
(PORT ADR2 ( ))
(PORT ADR3 ( ))
(IOPATH ADR0 O ( ))
(IOPATH ADR1 O ( ))
(IOPATH ADR2 O ( ))
(IOPATH ADR3 O ( ))
)
)
)
(CELL (CELLTYPE "X_LUT4")
(INSTANCE u_lut1)
(DELAY
(ABSOLUTE
(PORT ADR0 ( ))
(PORT ADR2 ( ))
(PORT ADR3 ( ))
(IOPATH ADR0 O ( ))
(IOPATH ADR1 O ( ))
(IOPATH ADR2 O ( ))
(IOPATH ADR3 O ( ))
)
)
)
(CELL (CELLTYPE "X_BUF")
(INSTANCE clkout\/OUTPUT\/OFF\/OMUX)
(DELAY
(PATHPULSE ())
(ABSOLUTE
(IOPATH I O ( ))
)
)
)
)
顶层仿真文件
`timescale 1ns / 1ps
module tb_dly;
reg clk_in;
reg [:] sel_in;
wire clk_out;
lut_dly uut(
.fpga_clk (clk_in ),
.config_in (sel_in ),
.clkout(clk_out)
); initial
begin
clk_in =; #
sel_in = 'd32;
#
sel_in = 'd16;
#
sel_in = 'd8;
#
sel_in = 'd4;
#
sel_in = 'd2;
#
sel_in = 'd1; end always #(/) clk_in <= ~clk_in;
endmodule
do文件
vlib work
vlog +acc tb_dly.v vlog +acc lut_dly_timesim.v
vlog +acc C:/Xilinx/ISE/verilog/src/glbl.v
vsim -novopt -t 1ps -L UNISIMS_VER -L UNIMACRO_VER -L UNI9000_VER -L SIMPRIMS_VER -L XILINXCORELIB_VER -L SECUREIP -L AIM_VER -L CPLD_VER -L UNISIM -L UNIMACRO -L SIMPRIM -L XILINXCORELIB -L AIM -L PLS -L CPLD -lib work tb_dly glbl
log -r /*
Modelsim仿真波形如下
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