From be9e4f1b674ef4fb3f02e99efcfda04ea27b2a68 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Tue, 20 Aug 2019 12:39:11 -0700 Subject: Use abc_{map,unmap,model}.v --- techlibs/xilinx/abc_map.v | 120 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 techlibs/xilinx/abc_map.v (limited to 'techlibs/xilinx/abc_map.v') diff --git a/techlibs/xilinx/abc_map.v b/techlibs/xilinx/abc_map.v new file mode 100644 index 000000000..99e1fe127 --- /dev/null +++ b/techlibs/xilinx/abc_map.v @@ -0,0 +1,120 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf + * 2019 Eddie Hung + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +// ============================================================================ + +// Max delays from https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L237-L251 + +module FDRE (output reg Q, input C, 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; + parameter [0:0] IS_R_INVERTED = 1'b0; + wire \$nextQ ; + \$__ABC_FDRE #( + .INIT(INIT), + .IS_C_INVERTED(IS_C_INVERTED), + .IS_D_INVERTED(IS_D_INVERTED), + .IS_R_INVERTED(IS_R_INVERTED), + .CLK_POLARITY(!IS_C_INVERTED), + .EN_POLARITY(1'b1) + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(\$nextQ ), .\$pastQ (Q), .C(C), .CE(CE), .R(R) + ); + \$__ABC_FF_ abc_dff (.D(\$nextQ ), .Q(Q)); +endmodule +module FDRE_1 (output reg Q, input C, CE, D, R); + parameter [0:0] INIT = 1'b0; + wire \$nextQ ; + \$__ABC_FDRE_1 #( + .INIT(|0), + .CLK_POLARITY(1'b0), + .EN_POLARITY(1'b1) + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(\$nextQ ), .\$pastQ (Q), .C(C), .CE(CE), .R(R) + ); + \$__ABC_FF_ abc_dff (.D(\$nextQ ), .Q(Q)); +endmodule + +module FDCE (output reg Q, input C, 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; + parameter [0:0] IS_CLR_INVERTED = 1'b0; + wire \$nextQ , \$currQ ; + \$__ABC_FDCE #( + .INIT(INIT), + .IS_C_INVERTED(IS_C_INVERTED), + .IS_D_INVERTED(IS_D_INVERTED), + .IS_CLR_INVERTED(IS_CLR_INVERTED), + .CLK_POLARITY(!IS_C_INVERTED), + .EN_POLARITY(1'b1) + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(\$nextQ ), .\$pastQ (Q), .C(C), .CE(CE), .CLR(CLR) + ); + \$__ABC_FF_ abc_dff (.D(\$nextQ ), .Q(\$currQ )); + \$__ABC_ASYNC abc_async (.A(\$currQ ), .S(CLR), .Y(Q)); +endmodule +module FDCE_1 (output reg Q, input C, CE, D, CLR); + parameter [0:0] INIT = 1'b0; + wire \$nextQ , \$currQ ; + \$__ABC_FDCE_1 #( + .INIT(INIT), + .CLK_POLARITY(1'b0), + .EN_POLARITY(1'b1) + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(\$nextQ ), .\$pastQ (Q), .C(C), .CE(CE), .CLR(CLR) + ); + \$__ABC_FF_ abc_dff (.D(\$nextQ ), .Q(\$currQ )); + \$__ABC_ASYNC abc_async (.A(\$currQ ), .S(CLR), .Y(Q)); +endmodule + +module FDPE (output reg Q, input C, CE, D, PRE); + parameter [0:0] INIT = 1'b0; + parameter [0:0] IS_C_INVERTED = 1'b0; + parameter [0:0] IS_D_INVERTED = 1'b0; + parameter [0:0] IS_PRE_INVERTED = 1'b0; + wire \$nextQ , \$currQ ; + \$__ABC_FDPE #( + .INIT(INIT), + .IS_C_INVERTED(IS_C_INVERTED), + .IS_D_INVERTED(IS_D_INVERTED), + .IS_PRE_INVERTED(IS_PRE_INVERTED), + .CLK_POLARITY(!IS_C_INVERTED), + .EN_POLARITY(1'b1) + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(\$nextQ ), .\$pastQ (Q), .C(C), .CE(CE), .PRE(PRE) + ); + \$__ABC_FF_ abc_dff (.D(\$nextQ ), .Q(\$currQ )); + \$__ABC_ASYNC abc_async (.A(\$currQ ), .S(PRE), .Y(Q)); +endmodule +module FDPE_1 (output reg Q, input C, CE, D, PRE); + parameter [0:0] INIT = 1'b0; + wire \$nextQ , \$currQ ; + \$__ABC_FDPE_1 #( + .INIT(INIT), + .CLK_POLARITY(1'b0), + .EN_POLARITY(1'b1) + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(\$nextQ ), .\$pastQ (Q), .C(C), .CE(CE), .PRE(PRE) + ); + \$__ABC_FF_ abc_dff (.D(\$nextQ ), .Q(\$currQ )); + \$__ABC_ASYNC abc_async (.A(\$currQ ), .S(PRE), .Y(Q)); +endmodule -- cgit v1.2.3