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Merge pull request #1661 from YosysHQ/eddie/abc9_required

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abc9: add support for required times
This commit is contained in:
Eddie Hung 2020-02-05 18:59:40 +01:00 • committed by GitHub
commit 0671ae7d79
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 814 additions and 247 deletions
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1
techlibs/common/Makefile.inc
View file

@ -29,4 +29,3 @@ $(eval $(call add_share_file,share,techlibs/common/gate2lut.v))
$(eval $(call add_share_file,share,techlibs/common/cmp2lut.v))
$(eval $(call add_share_file,share,techlibs/common/cells.lib))
$(eval $(call add_share_file,share,techlibs/common/mul2dsp.v))
$(eval $(call add_share_file,share,techlibs/common/dummy.box))

1
techlibs/common/dummy.box
View file

@ -1 +0,0 @@
(dummy) 1 0 0 0

5
techlibs/xilinx/abc9_model.v
View file

@ -33,6 +33,11 @@ endmodule
module \$__ABC9_FF_ (input D, output Q);
endmodule
(* abc9_box_id = (9000+DELAY) *)
module \$__ABC9_DELAY (input I, output O);
parameter DELAY = 0;
endmodule
// Box to emulate async behaviour of FDC*
(* abc9_box_id = 1000, lib_whitebox *)
module \$__ABC9_ASYNC0 (input A, S, output Y);

61
techlibs/xilinx/abc9_xc7.box
View file

@ -62,67 +62,6 @@ $__ABC9_ASYNC1 1001 1 2 1
#A S
0 764 # Y
# Flop boxes:
# * Max delays from https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L237-L251
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L265-L277
# * Exception: $abc9_currQ is a special input (located last) necessary for clock-enable functionality
# Box 1100 : FDRE
# name ID w/b ins outs
FDRE 1100 1 5 1
#C CE D R $abc9_currQ
#0 109 -46 404 0
0 109 0 404 0 # Q (-46ps Tsu clamped to 0)
# Box 1101 : FDRE_1
# name ID w/b ins outs
FDRE_1 1101 1 5 1
#C CE D R $abc9_currQ
#0 109 -46 404 0
0 109 0 404 0 # Q (-46ps Tsu clamped to 0)
# Box 1102 : FDSE
# name ID w/b ins outs
FDSE 1102 1 5 1
#C CE D R $abc9_currQ
#0 109 -46 404 0
0 109 0 404 0 # Q (-46ps Tsu clamped to 0)
# Box 1103 : FDSE_1
# name ID w/b ins outs
FDSE_1 1103 1 5 1
#C CE D R $abc9_currQ
#0 109 -46 404 0
0 109 0 404 0 # Q (-46ps Tsu clamped to 0)
# Box 1104 : FDCE
# name ID w/b ins outs
FDCE 1104 1 5 1
#C CE CLR D $abc9_currQ
#0 109 764 -46 0
0 109 764 0 0 # Q (-46ps Tsu clamped to 0)
# Box 1105 : FDCE_1
# name ID w/b ins outs
FDCE_1 1105 1 5 1
#C CE CLR D $abc9_currQ
#0 109 764 -46 0
0 109 764 0 0 # Q (-46ps Tsu clamped to 0)
# Box 1106 : FDPE
# name ID w/b ins outs
FDPE 1106 1 5 1
#C CE D PRE $abc9_currQ
#0 109 -46 764 0
0 109 0 764 0 # Q (-46ps Tsu clamped to 0)
# Box 1107 : FDPE_1
# name ID w/b ins outs
FDPE_1 1107 1 5 1
#C CE D PRE $abc9_currQ
#0 109 -46 764 0
0 109 0 764 0 # Q (-46ps Tsu clamped to 0)
# Box 2000 : $__ABC9_LUT6
# (private cell to emulate async behaviour of LUTRAMs)
# SLICEM/A6LUT

405
techlibs/xilinx/cells_sim.v
View file

@ -325,17 +325,20 @@ endmodule
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf#L238-L250
(* abc9_box_id=1100, lib_whitebox, abc9_flop *)
(* abc9_flop, lib_whitebox *)
module FDRE (
(* abc9_arrival=303 *)
output reg Q,
(* clkbuf_sink *)
(* invertible_pin = "IS_C_INVERTED" *)
input C,
(* abc9_required=109 *)
input CE,
(* invertible_pin = "IS_D_INVERTED" *)
//(* abc9_required=-46 *) // Negative required times not currently supported
input D,
(* invertible_pin = "IS_R_INVERTED" *)
(* abc9_required=404 *)
input R
);
parameter [0:0] INIT = 1'b0;
@ -349,30 +352,38 @@ module FDRE (
endcase endgenerate
endmodule
(* abc9_box_id=1101, lib_whitebox, abc9_flop *)
(* abc9_flop, lib_whitebox *)
module FDRE_1 (
(* abc9_arrival=303 *)
output reg Q,
(* clkbuf_sink *)
input C,
input CE, D, R
(* abc9_required=109 *)
input CE,
//(* abc9_required=-46 *) // Negative required times not currently supported
input D,
(* abc9_required=404 *)
input R
);
parameter [0:0] INIT = 1'b0;
initial Q <= INIT;
always @(negedge C) if (R) Q <= 1'b0; else if (CE) Q <= D;
endmodule
(* abc9_box_id=1102, lib_whitebox, abc9_flop *)
(* abc9_flop, lib_whitebox *)
module FDSE (
(* abc9_arrival=303 *)
output reg Q,
(* clkbuf_sink *)
(* invertible_pin = "IS_C_INVERTED" *)
input C,
(* abc9_required=109 *)
input CE,
(* invertible_pin = "IS_D_INVERTED" *)
//(* abc9_required=-46 *) // Negative required times not currently supported
input D,
(* invertible_pin = "IS_S_INVERTED" *)
(* abc9_required=404 *)
input S
);
parameter [0:0] INIT = 1'b1;
@ -386,13 +397,18 @@ module FDSE (
endcase endgenerate
endmodule
(* abc9_box_id=1103, lib_whitebox, abc9_flop *)
(* abc9_flop, lib_whitebox *)
module FDSE_1 (
(* abc9_arrival=303 *)
output reg Q,
(* clkbuf_sink *)
input C,
input CE, D, S
(* abc9_required=109 *)
input CE,
//(* abc9_required=-46 *) // Negative required times not currently supported
input D,
(* abc9_required=404 *)
input S
);
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
@ -405,6 +421,7 @@ module FDRSE (
(* invertible_pin = "IS_C_INVERTED" *)
input C,
(* invertible_pin = "IS_CE_INVERTED" *)
(* abc9_required=109 *)
input CE,
(* invertible_pin = "IS_D_INVERTED" *)
input D,
@ -434,17 +451,20 @@ module FDRSE (
Q <= d;
endmodule
(* abc9_box_id=1104, lib_whitebox, abc9_flop *)
(* abc9_flop, lib_whitebox *)
module FDCE (
(* abc9_arrival=303 *)
output reg Q,
(* clkbuf_sink *)
(* invertible_pin = "IS_C_INVERTED" *)
input C,
(* abc9_required=109 *)
input CE,
(* invertible_pin = "IS_CLR_INVERTED" *)
(* abc9_required=764 *)
input CLR,
(* invertible_pin = "IS_D_INVERTED" *)
//(* abc9_required=-46 *) // Negative required times not currently supported
input D
);
parameter [0:0] INIT = 1'b0;
@ -460,30 +480,38 @@ module FDCE (
endcase endgenerate
endmodule
(* abc9_box_id=1105, lib_whitebox, abc9_flop *)
(* abc9_flop, lib_whitebox *)
module FDCE_1 (
(* abc9_arrival=303 *)
output reg Q,
(* clkbuf_sink *)
input C,
input CE, D, CLR
(* abc9_required=109 *)
input CE,
(* abc9_required=764 *)
input CLR,
//(* abc9_required=-46 *) // Negative required times not currently supported
input D
);
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
(* abc9_box_id=1106, lib_whitebox, abc9_flop *)
(* abc9_flop, lib_whitebox *)
module FDPE (
(* abc9_arrival=303 *)
output reg Q,
(* clkbuf_sink *)
(* invertible_pin = "IS_C_INVERTED" *)
input C,
(* abc9_required=109 *)
input CE,
(* invertible_pin = "IS_D_INVERTED" *)
//(* abc9_required=-46 *) // Negative required times not currently supported
input D,
(* invertible_pin = "IS_PRE_INVERTED" *)
(* abc9_required=764 *)
input PRE
);
parameter [0:0] INIT = 1'b1;
@ -499,13 +527,18 @@ module FDPE (
endcase endgenerate
endmodule
(* abc9_box_id=1107, lib_whitebox, abc9_flop *)
(* abc9_flop, lib_whitebox *)
module FDPE_1 (
(* abc9_arrival=303 *)
output reg Q,
(* clkbuf_sink *)
input C,
input CE, D, PRE
(* abc9_required=109 *)
input CE,
//(* abc9_required=-46 *) // Negative required times not currently supported
input D,
(* abc9_required=764 *)
input PRE
);
parameter [0:0] INIT = 1'b1;
initial Q <= INIT;
@ -1120,15 +1153,33 @@ module RAM16X1D_1 (
endmodule
module RAM32X1D (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L857
(* abc9_arrival=1188 *)
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
(* abc9_arrival=1153 *)
output DPO, SPO,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
(* abc9_required=453 *)
input D,
(* clkbuf_sink *)
(* invertible_pin = "IS_WCLK_INVERTED" *)
input WCLK,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
(* abc9_required=654 *)
input WE,
input A0, A1, A2, A3, A4,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L800
(* abc9_required=245 *)
input A0,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/clBLM_R.sdf#L798
(* abc9_required=208 *)
input A1,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L796
(* abc9_required=147 *)
input A2,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L794
(* abc9_required=68 *)
input A3,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L792
(* abc9_required=66 *)
input A4,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4
);
parameter INIT = 32'h0;
@ -1143,15 +1194,33 @@ module RAM32X1D (
endmodule
module RAM32X1D_1 (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L857
(* abc9_arrival=1188 *)
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
(* abc9_arrival=1153 *)
output DPO, SPO,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
(* abc9_required=453 *)
input D,
(* clkbuf_sink *)
(* invertible_pin = "IS_WCLK_INVERTED" *)
input WCLK,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
(* abc9_required=654 *)
input WE,
input A0, A1, A2, A3, A4,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L800
(* abc9_required=245 *)
input A0,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/clBLM_R.sdf#L798
(* abc9_required=208 *)
input A1,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L796
(* abc9_required=147 *)
input A2,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L794
(* abc9_required=68 *)
input A3,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L792
(* abc9_required=66 *)
input A4,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4
);
parameter INIT = 32'h0;
@ -1166,15 +1235,36 @@ module RAM32X1D_1 (
endmodule
module RAM64X1D (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L889
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
(* abc9_arrival=1153 *)
output DPO, SPO,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
(* abc9_required=453 *)
input D,
(* clkbuf_sink *)
(* invertible_pin = "IS_WCLK_INVERTED" *)
input WCLK,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
(* abc9_required=654 *)
input WE,
input A0, A1, A2, A3, A4, A5,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L828
(* abc9_required=362 *)
input A0,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L826
(* abc9_required=245 *)
input A1,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L824
(* abc9_required=208 *)
input A2,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L822
(* abc9_required=147 *)
input A3,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L820
(* abc9_required=68 *)
input A4,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L818
(* abc9_required=66 *)
input A5,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5
);
parameter INIT = 64'h0;
@ -1189,15 +1279,36 @@ module RAM64X1D (
endmodule
module RAM64X1D_1 (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L889
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
(* abc9_arrival=1153 *)
output DPO, SPO,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
(* abc9_required=453 *)
input D,
(* clkbuf_sink *)
(* invertible_pin = "IS_WCLK_INVERTED" *)
input WCLK,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
(* abc9_required=654 *)
input WE,
input A0, A1, A2, A3, A4, A5,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L828
(* abc9_required=362 *)
input A0,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L826
(* abc9_required=245 *)
input A1,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L824
(* abc9_required=208 *)
input A2,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L822
(* abc9_required=147 *)
input A3,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L820
(* abc9_required=68 *)
input A4,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L818
(* abc9_required=66 *)
input A5,
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5
);
parameter INIT = 64'h0;
@ -1212,16 +1323,23 @@ module RAM64X1D_1 (
endmodule
module RAM128X1D (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L889
// plus 204ps to cross MUXF7
(* abc9_arrival=1357 *)
output DPO, SPO,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L981
// plus 208ps to cross MUXF7
(* abc9_arrival=1359 *)
output DPO, SPO,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986
(* abc9_required=453 *)
input D,
(* clkbuf_sink *)
(* invertible_pin = "IS_WCLK_INVERTED" *)
input WCLK,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
(* abc9_required=654 *)
input WE,
input [6:0] A, DPRA
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L818-830
(* abc9_required="616 362 245 208 147 68 66" *)
input [6:0] A,
input [6:0] DPRA
);
parameter INIT = 128'h0;
parameter IS_WCLK_INVERTED = 1'b0;
@ -1253,24 +1371,44 @@ endmodule
// Multi port.
module RAM32M (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L889
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L857
(* abc9_arrival=1188 *)
(* abc9_arrival="1153 1188" *)
output [1:0] DOA,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L925
(* abc9_arrival=1187 *)
(* abc9_arrival="1161 1187" *)
output [1:0] DOB,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1025
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L993
(* abc9_arrival=1180 *)
(* abc9_arrival="1158 1180" *)
output [1:0] DOC,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1093
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1061
(* abc9_arrival=1190 *)
(* abc9_arrival="1163 1190" *)
output [1:0] DOD,
input [4:0] ADDRA, ADDRB, ADDRC, ADDRD,
input [1:0] DIA, DIB, DIC, DID,
input [4:0] ADDRA, ADDRB, ADDRC,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L792-L802
(* abc9_required="245 208 147 68 66" *)
input [4:0] ADDRD,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986-L988
(* abc9_required="453 384" *)
input [1:0] DIA,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1054-L1056
(* abc9_required="461 354" *)
input [1:0] DIB,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1122-L1124
(* abc9_required="457 375" *)
input [1:0] DIC,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1190-L1192
(* abc9_required="310 334" *)
input [1:0] DID,
(* clkbuf_sink *)
(* invertible_pin = "IS_WCLK_INVERTED" *)
input WCLK,
input WE
input WCLK,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
(* abc9_required=654 *)
input WE
);
parameter [63:0] INIT_A = 64'h0000000000000000;
parameter [63:0] INIT_B = 64'h0000000000000000;
@ -1367,22 +1505,38 @@ endmodule
module RAM64M (
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L889
(* abc9_arrival=1153 *)
output DOA,
output DOA,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L957
(* abc9_arrival=1161 *)
output DOB,
output DOB,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1025
(* abc9_arrival=1158 *)
output DOC,
output DOC,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLM_R.sdf#L1093
(* abc9_arrival=1163 *)
output DOD,
input [5:0] ADDRA, ADDRB, ADDRC, ADDRD,
input DIA, DIB, DIC, DID,
output DOD,
input [5:0] ADDRA, ADDRB, ADDRC,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L818-L830
(* abc9_required="362 245 208 147 68 66" *)
input [5:0] ADDRD,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L986-L988
(* abc9_required=384 *)
input DIA,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1054-L1056
(* abc9_required=354 *)
input DIB,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1122-L1124
(* abc9_required=375 *)
input DIC,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L1190-L1192
(* abc9_required=310 *)
input DID,
(* clkbuf_sink *)
(* invertible_pin = "IS_WCLK_INVERTED" *)
input WCLK,
input WE
input WCLK,
// Max delay from: https://github.com/SymbiFlow/prjxray-db/blob/31f51ac5ec7448dd6f79a8267f147123e4413c21/artix7/timings/CLBLM_R.sdf#L834
(* abc9_required=654 *)
input WE
);
parameter [63:0] INIT_A = 64'h0000000000000000;
parameter [63:0] INIT_B = 64'h0000000000000000;
@ -2397,21 +2551,30 @@ module DSP48E1 (
output reg MULTSIGNOUT,
output OVERFLOW,
`ifdef YOSYS
(* abc9_arrival = \DSP48E1.P_arrival () *)
(* abc9_arrival = \P.abc9_arrival () *)
`endif
output reg signed [47:0] P,
output reg PATTERNBDETECT,
output reg PATTERNDETECT,
`ifdef YOSYS
(* abc9_arrival = \DSP48E1.PCOUT_arrival () *)
(* abc9_arrival = \PCOUT.abc9_arrival () *)
`endif
output [47:0] PCOUT,
output UNDERFLOW,
`ifdef YOSYS
(* abc9_required = \A.abc9_required () *)
`endif
input signed [29:0] A,
input [29:0] ACIN,
input [3:0] ALUMODE,
`ifdef YOSYS
(* abc9_required = \B.abc9_required () *)
`endif
input signed [17:0] B,
input [17:0] BCIN,
`ifdef YOSYS
(* abc9_required = \C.abc9_required () *)
`endif
input [47:0] C,
input CARRYCASCIN,
input CARRYIN,
@ -2430,10 +2593,16 @@ module DSP48E1 (
input CEM,
input CEP,
(* clkbuf_sink *) input CLK,
`ifdef YOSYS
(* abc9_required = \D.abc9_required () *)
`endif
input [24:0] D,
input [4:0] INMODE,
input MULTSIGNIN,
input [6:0] OPMODE,
`ifdef YOSYS
(* abc9_required = \PCIN.abc9_required () *)
`endif
input [47:0] PCIN,
input RSTA,
input RSTALLCARRYIN,
@ -2478,69 +2647,133 @@ module DSP48E1 (
parameter [6:0] IS_OPMODE_INVERTED = 7'b0;
`ifdef YOSYS
function integer \DSP48E1.P_arrival ;
function integer \A.abc9_required ;
begin
\DSP48E1.P_arrival = 0;
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
if (PREG != 0) \DSP48E1.P_arrival = 329;
// Worst-case from CREG and MREG
else if (CREG != 0) \DSP48E1.P_arrival = 1687;
else if (MREG != 0) \DSP48E1.P_arrival = 1671;
// Worst-case from AREG and BREG
else if (AREG != 0) \DSP48E1.P_arrival = 2952;
else if (BREG != 0) \DSP48E1.P_arrival = 2813;
\A.abc9_required = 0;
if (AREG != 0) \A.abc9_required = 254;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
if (MREG != 0) \A.abc9_required = 1416;
else if (PREG != 0) \A.abc9_required = (USE_PATTERN_DETECT != "NO_PATDET" ? 3030 : 2739) ;
end
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
if (PREG != 0) \DSP48E1.P_arrival = 329;
// Worst-case from CREG and MREG
else if (CREG != 0) \DSP48E1.P_arrival = 1687;
else if (MREG != 0) \DSP48E1.P_arrival = 1671;
// Worst-case from AREG, ADREG, BREG, DREG
else if (AREG != 0) \DSP48E1.P_arrival = 3935;
else if (DREG != 0) \DSP48E1.P_arrival = 3908;
else if (ADREG != 0) \DSP48E1.P_arrival = 2958;
else if (BREG != 0) \DSP48E1.P_arrival = 2813;
// Worst-case from ADREG and MREG
if (MREG != 0) \A.abc9_required = 2400;
else if (ADREG != 0) \A.abc9_required = 1283;
else if (PREG != 0) \A.abc9_required = 3723;
else if (PREG != 0) \A.abc9_required = (USE_PATTERN_DETECT != "NO_PATDET" ? 4014 : 3723) ;
end
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
if (PREG != 0) \DSP48E1.P_arrival = 329;
if (PREG != 0) \A.abc9_required = (USE_PATTERN_DETECT != "NO_PATDET" ? 1730 : 1441) ;
end
end
endfunction
function integer \B.abc9_required ;
begin
\B.abc9_required = 0;
if (BREG != 0) \B.abc9_required = 324;
else if (MREG != 0) \B.abc9_required = 1285;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
if (PREG != 0) \B.abc9_required = (USE_PATTERN_DETECT != "NO_PATDET" ? 2898 : 2608) ;
end
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
if (PREG != 0) \B.abc9_required = (USE_PATTERN_DETECT != "NO_PATDET" ? 2898 : 2608) ;
end
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
if (PREG != 0) \B.abc9_required = (USE_PATTERN_DETECT != "NO_PATDET" ? 1718 : 1428) ;
end
end
endfunction
function integer \C.abc9_required ;
begin
\C.abc9_required = 0;
if (CREG != 0) \C.abc9_required = 168;
else if (PREG != 0) \C.abc9_required = (USE_PATTERN_DETECT != "NO_PATDET" ? 1534 : 1244) ;
end
endfunction
function integer \D.abc9_required ;
begin
\D.abc9_required = 0;
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
end
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
if (DREG != 0) \D.abc9_required = 248;
else if (ADREG != 0) \D.abc9_required = 1195;
else if (MREG != 0) \D.abc9_required = 2310;
else if (PREG != 0) \D.abc9_required = (USE_PATTERN_DETECT != "NO_PATDET" ? 3925 : 3635) ;
end
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
end
end
endfunction
function integer \PCIN.abc9_required ;
begin
\PCIN.abc9_required = 0;
if (PREG != 0) \PCIN.abc9_required = (USE_PATTERN_DETECT != "NO_PATDET" ? 1315 : 1025) ;
end
endfunction
function integer \P.abc9_arrival ;
begin
\P.abc9_arrival = 0;
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
if (PREG != 0) \P.abc9_arrival = 329;
// Worst-case from CREG and MREG
else if (CREG != 0) \P.abc9_arrival = 1687;
else if (MREG != 0) \P.abc9_arrival = 1671;
// Worst-case from AREG and BREG
else if (AREG != 0) \P.abc9_arrival = 2952;
else if (BREG != 0) \P.abc9_arrival = 2813;
end
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
if (PREG != 0) \P.abc9_arrival = 329;
// Worst-case from CREG and MREG
else if (CREG != 0) \P.abc9_arrival = 1687;
else if (MREG != 0) \P.abc9_arrival = 1671;
// Worst-case from AREG, ADREG, BREG, DREG
else if (AREG != 0) \P.abc9_arrival = 3935;
else if (DREG != 0) \P.abc9_arrival = 3908;
else if (ADREG != 0) \P.abc9_arrival = 2958;
else if (BREG != 0) \P.abc9_arrival = 2813;
end
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
if (PREG != 0) \P.abc9_arrival = 329;
// Worst-case from AREG, BREG, CREG
else if (CREG != 0) \DSP48E1.P_arrival = 1687;
else if (AREG != 0) \DSP48E1.P_arrival = 1632;
else if (BREG != 0) \DSP48E1.P_arrival = 1616;
else if (CREG != 0) \P.abc9_arrival = 1687;
else if (AREG != 0) \P.abc9_arrival = 1632;
else if (BREG != 0) \P.abc9_arrival = 1616;
end
//else
// $error("Invalid DSP48E1 configuration");
end
endfunction
function integer \DSP48E1.PCOUT_arrival ;
function integer \PCOUT.abc9_arrival ;
begin
\DSP48E1.PCOUT_arrival = 0;
\PCOUT.abc9_arrival = 0;
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
if (PREG != 0) \DSP48E1.PCOUT_arrival = 435;
if (PREG != 0) \PCOUT.abc9_arrival = 435;
// Worst-case from CREG and MREG
else if (CREG != 0) \DSP48E1.PCOUT_arrival = 1835;
else if (MREG != 0) \DSP48E1.PCOUT_arrival = 1819;
else if (CREG != 0) \PCOUT.abc9_arrival = 1835;
else if (MREG != 0) \PCOUT.abc9_arrival = 1819;
// Worst-case from AREG and BREG
else if (AREG != 0) \DSP48E1.PCOUT_arrival = 3098;
else if (BREG != 0) \DSP48E1.PCOUT_arrival = 2960;
else if (AREG != 0) \PCOUT.abc9_arrival = 3098;
else if (BREG != 0) \PCOUT.abc9_arrival = 2960;
end
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
if (PREG != 0) \DSP48E1.PCOUT_arrival = 435;
if (PREG != 0) \PCOUT.abc9_arrival = 435;
// Worst-case from CREG and MREG
else if (CREG != 0) \DSP48E1.PCOUT_arrival = 1835;
else if (MREG != 0) \DSP48E1.PCOUT_arrival = 1819;
else if (CREG != 0) \PCOUT.abc9_arrival = 1835;
else if (MREG != 0) \PCOUT.abc9_arrival = 1819;
// Worst-case from AREG, ADREG, BREG, DREG
else if (AREG != 0) \DSP48E1.PCOUT_arrival = 4083;
else if (DREG != 0) \DSP48E1.PCOUT_arrival = 4056;
else if (BREG != 0) \DSP48E1.PCOUT_arrival = 2960;
else if (ADREG != 0) \DSP48E1.PCOUT_arrival = 2859;
else if (AREG != 0) \PCOUT.abc9_arrival = 4083;
else if (DREG != 0) \PCOUT.abc9_arrival = 4056;
else if (BREG != 0) \PCOUT.abc9_arrival = 2960;
else if (ADREG != 0) \PCOUT.abc9_arrival = 2859;
end
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
if (PREG != 0) \DSP48E1.PCOUT_arrival = 435;
if (PREG != 0) \PCOUT.abc9_arrival = 435;
// Worst-case from AREG, BREG, CREG
else if (CREG != 0) \DSP48E1.PCOUT_arrival = 1835;
else if (AREG != 0) \DSP48E1.PCOUT_arrival = 1780;
else if (BREG != 0) \DSP48E1.PCOUT_arrival = 1765;
else if (CREG != 0) \PCOUT.abc9_arrival = 1835;
else if (AREG != 0) \PCOUT.abc9_arrival = 1780;
else if (BREG != 0) \PCOUT.abc9_arrival = 1765;
end
//else
// $error("Invalid DSP48E1 configuration");

40
techlibs/xilinx/cells_xtra.py
View file

@ -180,18 +180,58 @@ CELLS = [
Cell('RAMB18E1', port_attrs={
'CLKARDCLK': ['clkbuf_sink'],
'CLKBWRCLK': ['clkbuf_sink'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L143
'DOADO': ['abc9_arrival=2454'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L163
'DOBDO': ['abc9_arrival=2454'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L144
'DOPADOP': ['abc9_arrival=2454'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L164
'DOPBDOP': ['abc9_arrival=2454'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L13
'ADDRARDADDR': ['abc9_required=566'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L17
'ADDRBWRADDR': ['abc9_required=566'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L19
'WEA': ['abc9_required=532'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L21
'WEBWE': ['abc9_required=532'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L123
'DIADI': ['abc9_required=737'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L133
'DIBDI': ['abc9_required=737'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L125
'DIPADIP': ['abc9_required=737'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L135
'DIPBDIP': ['abc9_required=737'],
}),
Cell('RAMB36E1', port_attrs={
'CLKARDCLK': ['clkbuf_sink'],
'CLKBWRCLK': ['clkbuf_sink'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L143
'DOADO': ['abc9_arrival=2454'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L163
'DOBDO': ['abc9_arrival=2454'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L144
'DOPADOP': ['abc9_arrival=2454'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L164
'DOPBDOP': ['abc9_arrival=2454'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L13
'ADDRARDADDR': ['abc9_required=566'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L17
'ADDRBWRADDR': ['abc9_required=566'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L19
'WEA': ['abc9_required=532'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L21
'WEBWE': ['abc9_required=532'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L123
'DIADI': ['abc9_required=737'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L133
'DIBDI': ['abc9_required=737'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L125
'DIPADIP': ['abc9_required=737'],
# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/BRAM_L.sdf#L135
'DIPBDIP': ['abc9_required=737'],
}),
# Ultrascale.
Cell('FIFO18E2', port_attrs={'RDCLK': ['clkbuf_sink'], 'WRCLK': ['clkbuf_sink']}),

16
techlibs/xilinx/cells_xtra.v
View file

@ -4518,13 +4518,21 @@ module RAMB18E1 (...);
input RSTREGARSTREG;
(* invertible_pin = "IS_RSTREGB_INVERTED" *)
input RSTREGB;
(* abc9_required=566 *)
input [13:0] ADDRARDADDR;
(* abc9_required=566 *)
input [13:0] ADDRBWRADDR;
(* abc9_required=737 *)
input [15:0] DIADI;
(* abc9_required=737 *)
input [15:0] DIBDI;
(* abc9_required=737 *)
input [1:0] DIPADIP;
(* abc9_required=737 *)
input [1:0] DIPBDIP;
(* abc9_required=532 *)
input [1:0] WEA;
(* abc9_required=532 *)
input [3:0] WEBWE;
endmodule
@ -4742,13 +4750,21 @@ module RAMB36E1 (...);
input REGCEB;
input INJECTDBITERR;
input INJECTSBITERR;
(* abc9_required=566 *)
input [15:0] ADDRARDADDR;
(* abc9_required=566 *)
input [15:0] ADDRBWRADDR;
(* abc9_required=737 *)
input [31:0] DIADI;
(* abc9_required=737 *)
input [31:0] DIBDI;
(* abc9_required=737 *)
input [3:0] DIPADIP;
(* abc9_required=737 *)
input [3:0] DIPBDIP;
(* abc9_required=532 *)
input [3:0] WEA;
(* abc9_required=532 *)
input [7:0] WEBWE;
endmodule