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xilinx to use abc_map.v with -max_iter 1

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This commit is contained in:
Eddie Hung 2019-08-20 19:47:11 -07:00
parent 6b1b03d9f7
commit c26c556384
6 changed files with 26 additions and 171 deletions
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26
techlibs/xilinx/abc_map.v
View file

@ -31,7 +31,7 @@ module RAM32X1D (
parameter INIT = 32'h0;
parameter IS_WCLK_INVERTED = 1'b0;
wire \$DPO , \$SPO ;
\$__ABC_RAM32X1D #(
RAM32X1D #(
.INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED)
) _TECHMAP_REPLACE_ (
.DPO(\$DPO ), .SPO(\$SPO ),
@ -39,8 +39,8 @@ module RAM32X1D (
.A0(A0), .A1(A1), .A2(A2), .A3(A3), .A4(A4),
.DPRA0(DPRA0), .DPRA1(DPRA1), .DPRA2(DPRA2), .DPRA3(DPRA3), .DPRA4(DPRA4)
);
\$__ABC_LUTMUX6 dpo (.A(\$DPO ), .S({1'b0, A0, A1, A2, A3, A4}), .Y(DPO));
\$__ABC_LUTMUX6 spo (.A(\$SPO ), .S({1'b0, A0, A1, A2, A3, A4}), .Y(SPO));
\$__ABC_LUT6 dpo (.A(\$DPO ), .S({1'b0, A0, A1, A2, A3, A4}), .Y(DPO));
\$__ABC_LUT6 spo (.A(\$SPO ), .S({1'b0, A0, A1, A2, A3, A4}), .Y(SPO));
endmodule
module RAM64X1D (
@ -54,7 +54,7 @@ module RAM64X1D (
parameter INIT = 64'h0;
parameter IS_WCLK_INVERTED = 1'b0;
wire \$DPO , \$SPO ;
\$__ABC_RAM64X1D #(
RAM64X1D #(
.INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED)
) _TECHMAP_REPLACE_ (
.DPO(\$DPO ), .SPO(\$SPO ),
@ -62,8 +62,8 @@ module RAM64X1D (
.A0(A0), .A1(A1), .A2(A2), .A3(A3), .A4(A4), .A5(A5),
.DPRA0(DPRA0), .DPRA1(DPRA1), .DPRA2(DPRA2), .DPRA3(DPRA3), .DPRA4(DPRA4), .DPRA5(DPRA5)
);
\$__ABC_LUTMUX6 dpo (.A(\$DPO ), .S({A0, A1, A2, A3, A4, A5}), .Y(DPO));
\$__ABC_LUTMUX6 spo (.A(\$SPO ), .S({A0, A1, A2, A3, A4, A5}), .Y(SPO));
\$__ABC_LUT6 dpo (.A(\$DPO ), .S({A0, A1, A2, A3, A4, A5}), .Y(DPO));
\$__ABC_LUT6 spo (.A(\$SPO ), .S({A0, A1, A2, A3, A4, A5}), .Y(SPO));
endmodule
module RAM128X1D (
@ -76,7 +76,7 @@ module RAM128X1D (
parameter INIT = 128'h0;
parameter IS_WCLK_INVERTED = 1'b0;
wire \$DPO , \$SPO ;
\$__ABC_RAM128X1D #(
RAM128X1D #(
.INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED)
) _TECHMAP_REPLACE_ (
.DPO(\$DPO ), .SPO(\$SPO ),
@ -84,8 +84,8 @@ module RAM128X1D (
.A(A),
.DPRA(DPRA)
);
\$__ABC_LUTMUX7 dpo (.A(\$DPO ), .S(A), .Y(DPO));
\$__ABC_LUTMUX7 spo (.A(\$SPO ), .S(A), .Y(SPO));
\$__ABC_LUT7 dpo (.A(\$DPO ), .S(A), .Y(DPO));
\$__ABC_LUT7 spo (.A(\$SPO ), .S(A), .Y(SPO));
endmodule
module SRL16E (
@ -95,14 +95,14 @@ module SRL16E (
parameter [15:0] INIT = 16'h0000;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
wire \$Q ;
\$__ABC_SRL16E #(
SRL16E #(
.INIT(INIT), .IS_CLK_INVERTED(IS_CLK_INVERTED)
) _TECHMAP_REPLACE_ (
.Q(\$Q ),
.A0(A0), .A1(A1), .A2(A2), .A3(A3), .CE(CE), .CLK(CLK), .D(D)
);
// TODO: Check if SRL uses fast inputs or slow inputs
\$__ABC_LUTMUX6 q (.A(\$Q ), .S({A0, A1, A2, A3, 1'b0, 1'b0}), .Y(Q));
\$__ABC_LUT6 q (.A(\$Q ), .S({A0, A1, A2, A3, 1'b0, 1'b0}), .Y(Q));
endmodule
module SRLC32E (
@ -114,12 +114,12 @@ module SRLC32E (
parameter [31:0] INIT = 32'h00000000;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
wire \$Q ;
\$__ABC_SRLC32E #(
SRLC32E #(
.INIT(INIT), .IS_CLK_INVERTED(IS_CLK_INVERTED)
) _TECHMAP_REPLACE_ (
.Q(\$Q ), .Q31(Q31),
.A(A), .CE(CE), .CLK(CLK), .D(D)
);
// TODO: Check if SRL uses fast inputs or slow inputs
\$__ABC_LUTMUX6 q (.A(\$Q ), .S({A, 1'b0}), .Y(Q));
\$__ABC_LUT6 q (.A(\$Q ), .S({A, 1'b0}), .Y(Q));
endmodule

60
techlibs/xilinx/abc_model.v
View file

@ -27,64 +27,8 @@ module \$__XILINX_MUXF78 (output O, input I0, I1, I2, I3, S0, S1);
endmodule
(* abc_box_id=2000 *)
module \$__ABC_LUTMUX6 (input A, input [5:0] S, output Y);
module \$__ABC_LUT6 (input A, input [5:0] S, output Y);
endmodule
(* abc_box_id=2001 *)
module \$__ABC_LUTMUX7 (input A, input [6:0] S, output Y);
endmodule
module \$__ABC_RAM32X1D (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc_arrival=1153 *) output DPO, SPO,
input D,
input WCLK,
input WE,
input A0, A1, A2, A3, A4,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4
);
endmodule
module \$__ABC_RAM64X1D (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc_arrival=1153 *) output DPO, SPO,
input D,
input WCLK,
input WE,
input A0, A1, A2, A3, A4, A5,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5
);
parameter INIT = 64'h0;
parameter IS_WCLK_INVERTED = 1'b0;
endmodule
module \$__ABC_RAM128X1D (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc_arrival=1153 *) output DPO, SPO,
input D,
input WCLK,
input WE,
input [6:0] A, DPRA
);
parameter INIT = 128'h0;
parameter IS_WCLK_INVERTED = 1'b0;
endmodule
module SRL16E (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L904-L905
(* abc_arrival=1472 *) output Q,
input A0, A1, A2, A3, CE, CLK, D
);
parameter [15:0] INIT = 16'h0000;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
endmodule
module SRLC32E (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L904-L905
(* abc_arrival=1472 *) output Q,
(* abc_arrival=1114 *) output Q31,
input [4:0] A,
input CE, CLK, D
);
parameter [31:0] INIT = 32'h00000000;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
module \$__ABC_LUT7 (input A, input [6:0] S, output Y);
endmodule

96
techlibs/xilinx/abc_unmap.v
View file

@ -20,101 +20,9 @@
// ============================================================================
module \$__ABC_LUTMUX6 (input A, input [5:0] S, output Y);
module \$__ABC_LUT6 (input A, input [5:0] S, output Y);
assign Y = A;
endmodule
module \$__ABC_LUTMUX7 (input A, input [6:0] S, output Y);
module \$__ABC_LUT7 (input A, input [6:0] S, output Y);
assign Y = A;
endmodule
module \$__ABC_RAM32X1D (
output DPO, SPO,
input D,
input WCLK,
input WE,
input A0, A1, A2, A3, A4,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4
);
parameter INIT = 32'h0;
parameter IS_WCLK_INVERTED = 1'b0;
RAM32X1D #(
.INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED)
) _TECHMAP_REPLACE_ (
.DPO(DPO), .SPO(SPO),
.D(D), .WCLK(WCLK), .WE(WE),
.A0(A0), .A1(A1), .A2(A2), .A3(A3), .A4(A4),
.DPRA0(DPRA0), .DPRA1(DPRA1), .DPRA2(DPRA2), .DPRA3(DPRA3), .DPRA4(DPRA4)
);
endmodule
module \$__ABC_RAM64X1D (
output DPO, SPO,
input D,
input WCLK,
input WE,
input A0, A1, A2, A3, A4, A5,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5
);
parameter INIT = 64'h0;
parameter IS_WCLK_INVERTED = 1'b0;
RAM64X1D #(
.INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED)
) _TECHMAP_REPLACE_ (
.DPO(DPO), .SPO(SPO),
.D(D), .WCLK(WCLK), .WE(WE),
.A0(A0), .A1(A1), .A2(A2), .A3(A3), .A4(A4), .A5(A5),
.DPRA0(DPRA0), .DPRA1(DPRA1), .DPRA2(DPRA2), .DPRA3(DPRA3), .DPRA4(DPRA4), .DPRA5(DPRA5)
);
endmodule
module \$__ABC_RAM128X1D (
output DPO, SPO,
input D,
input WCLK,
input WE,
input A,
input DPRA,
);
parameter INIT = 128'h0;
parameter IS_WCLK_INVERTED = 1'b0;
RAM128X1D #(
.INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED)
) _TECHMAP_REPLACE_ (
.DPO(DPO), .SPO(SPO),
.D(D), .WCLK(WCLK), .WE(WE),
.A(A),
.DPRA(DPRA)
);
endmodule
module \$__ABC_SRL16E (
output Q,
input A0, A1, A2, A3, CE, CLK, D
);
parameter [15:0] INIT = 16'h0000;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
SRL16E #(
.INIT(INIT), .IS_CLK_INVERTED(IS_CLK_INVERTED)
) _TECHMAP_REPLACE_ (
.Q(Q),
.A0(A0), .A1(A1), .A2(A2), .A3(A3), .CE(CE), .CLK(CLK), .D(D)
);
endmodule
module \$__ABC_SRLC32E (
output Q,
output Q31,
input [4:0] A,
input CE, CLK, D
);
parameter [31:0] INIT = 32'h00000000;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
SRLC32E #(
.INIT(INIT), .IS_CLK_INVERTED(IS_CLK_INVERTED)
) _TECHMAP_REPLACE_ (
.Q(Q), .Q31(Q31),
.A(A), .CE(CE), .CLK(CLK), .D(D)
);
endmodule

4
techlibs/xilinx/abc_xc7.box
View file

@ -42,12 +42,12 @@ CARRY4 4 1 10 8
# Box to emulate comb/seq behaviour of RAMD{32,64} and SRL{16,32}
# Inputs: A S0 S1 S2 S3 S4 S5
# Outputs: Y
$__ABC_LUTRAM6 2000 0 7 1
$__ABC_LUT6 2000 0 7 1
0 642 631 472 407 238 127
# SLICEM/A6LUT + F7BMUX
# Box to emulate comb/seq behaviour of RAMD128
# Inputs: A S0 S1 S2 S3 S4 S5 S6
# Outputs: DPO SPO
$__ABC_LUTRAM7 2001 0 8 1
$__ABC_LUT7 2001 0 8 1
0 1047 1036 877 812 643 532 478

9
techlibs/xilinx/cells_sim.v
View file

@ -298,7 +298,8 @@ module FDPE_1 ((* abc_arrival=303 *) output reg Q,
endmodule
module RAM32X1D (
output DPO, SPO,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc_arrival=11530 *) output DPO, SPO,
input D,
input WCLK,
input WE,
@ -317,7 +318,8 @@ module RAM32X1D (
endmodule
module RAM64X1D (
output DPO, SPO,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc_arrival=1153 *) output DPO, SPO,
input D,
input WCLK,
input WE,
@ -336,7 +338,8 @@ module RAM64X1D (
endmodule
module RAM128X1D (
output DPO, SPO,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc_arrival=1153 *) output DPO, SPO,
input D,
input WCLK,
input WE,

2
techlibs/xilinx/synth_xilinx.cc
View file

@ -391,7 +391,7 @@ struct SynthXilinxPass : public ScriptPass
if (family != "xc7")
log_warning("'synth_xilinx -abc9' currently supports '-family xc7' only.\n");
run("read_verilog -icells -lib +/xilinx/abc_model.v");
run("techmap -map +/xilinx/abc_map.v");
run("techmap -map +/xilinx/abc_map.v -max_iter 1");
if (nowidelut)
run("abc9 -lut +/xilinx/abc_xc7_nowide.lut -box +/xilinx/abc_xc7.box -W " + std::to_string(XC7_WIRE_DELAY));
else