diff options
Diffstat (limited to 'techlibs/xilinx/abc_unmap.v')
| -rw-r--r-- | techlibs/xilinx/abc_unmap.v | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/techlibs/xilinx/abc_unmap.v b/techlibs/xilinx/abc_unmap.v new file mode 100644 index 000000000..6de766e76 --- /dev/null +++ b/techlibs/xilinx/abc_unmap.v @@ -0,0 +1,140 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> + * 2019 Eddie Hung <eddie@fpgeh.com> + * + * 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. + * + */ + +// ============================================================================ + +module \$__ABC_ASYNC (input A, S, output Y); + assign Y = A; +endmodule + +module \$__ABC_FDRE (output Q, + input C, + input CE, + input D, + input R, \$pastQ ); + 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; + parameter CLK_POLARITY = !IS_C_INVERTED; + parameter EN_POLARITY = 1'b1; + + FDRE #( + .INIT(INIT), + .IS_C_INVERTED(IS_C_INVERTED), + .IS_D_INVERTED(IS_D_INVERTED), + .IS_R_INVERTED(IS_R_INVERTED), + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(Q), .C(C), .CE(CE), .R(R) + ); +endmodule + +module \$__ABC_FDRE_1 (output Q, + input C, + input CE, + input D, + input R, \$pastQ ); + parameter [0:0] INIT = 1'b0; + parameter CLK_POLARITY = 1'b0; + parameter EN_POLARITY = 1'b1; + assign Q = R ? 1'b0 : (CE ? D : \$pastQ ); + + FDRE_1 #( + .INIT(INIT), + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(Q), .C(C), .CE(CE), .R(R) + ); +endmodule + +module \$__ABC_FDCE (output Q, + input C, + input CE, + input D, + input CLR, \$pastQ ); + 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; + parameter CLK_POLARITY = !IS_C_INVERTED; + parameter EN_POLARITY = 1'b1; + + FDCE #( + .INIT(INIT), + .IS_C_INVERTED(IS_C_INVERTED), + .IS_D_INVERTED(IS_D_INVERTED), + .IS_CLR_INVERTED(IS_CLR_INVERTED), + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(Q), .C(C), .CE(CE), .CLR(CLR) + ); +endmodule + +module \$__ABC_FDCE_1 (output Q, + input C, + input CE, + input D, + input CLR, \$pastQ ); + parameter [0:0] INIT = 1'b0; + parameter CLK_POLARITY = 1'b0; + parameter EN_POLARITY = 1'b1; + + FDCE_1 #( + .INIT(INIT), + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(Q), .C(C), .CE(CE), .CLR(CLR) + ); +endmodule + +module \$__ABC_FDPE (output Q, + input C, + input CE, + input D, + input PRE, \$pastQ ); + 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; + parameter CLK_POLARITY = !IS_C_INVERTED; + parameter EN_POLARITY = 1'b1; + + FDPE #( + .INIT(INIT), + .IS_C_INVERTED(IS_C_INVERTED), + .IS_D_INVERTED(IS_D_INVERTED), + .IS_PRE_INVERTED(IS_PRE_INVERTED), + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(Q), .C(C), .CE(CE), .PRE(PRE) + ); +endmodule + +module \$__ABC_FDPE_1 (output Q, + input C, + input CE, + input D, + input PRE, \$pastQ ); + parameter [0:0] INIT = 1'b0; + parameter CLK_POLARITY = 1'b0; + parameter EN_POLARITY = 1'b1; + + FDPE_1 #( + .INIT(INIT), + ) _TECHMAP_REPLACE_ ( + .D(D), .Q(Q), .C(C), .CE(CE), .PRE(PRE) + ); +endmodule |