riscv
/
yosys
mirror of https://github.com/YosysHQ/yosys.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

xilinx: improve specify for DSP48E1

This commit is contained in:
Eddie Hung 2020-03-04 10:51:33 -08:00
parent 78d4fff69d
commit f65fc845e5
1 changed files with 116 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

148
techlibs/xilinx/cells_sim.v
View File

@ -3063,7 +3063,6 @@ module DSP48E1 (
`ifdef YOSYS
function integer \A.required ;
begin
\A.required = 0;
if (AREG != 0) \A.required = 254;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
if (MREG != 0) \A.required = 1416;
@ -3083,7 +3082,6 @@ module DSP48E1 (
endfunction
function integer \B.required ;
begin
\B.required = 0;
if (BREG != 0) \B.required = 324;
else if (MREG != 0) \B.required = 1285;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
@ -3099,14 +3097,12 @@ module DSP48E1 (
endfunction
function integer \C.required ;
begin
\C.required = 0;
if (CREG != 0) \C.required = 168;
else if (PREG != 0) \C.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 1534 : 1244) ;
end
endfunction
function integer \D.required ;
begin
\D.required = 0;
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
end
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
@ -3119,15 +3115,8 @@ module DSP48E1 (
end
end
endfunction
function integer \PCIN.required ;
begin
\PCIN.required = 0;
if (PREG != 0) \PCIN.required = (USE_PATTERN_DETECT != "NO_PATDET" ? 1315 : 1025) ;
end
endfunction
function integer \P.arrival ;
begin
\P.arrival = 0;
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
if (PREG != 0) \P.arrival = 329;
// Worst-case from CREG and MREG
@ -3155,13 +3144,10 @@ module DSP48E1 (
else if (AREG != 0) \P.arrival = 1632;
else if (BREG != 0) \P.arrival = 1616;
end
//else
// $error("Invalid DSP48E1 configuration");
end
endfunction
function integer \PCOUT.arrival ;
begin
\PCOUT.arrival = 0;
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
if (PREG != 0) \PCOUT.arrival = 435;
// Worst-case from CREG and MREG
@ -3189,27 +3175,125 @@ module DSP48E1 (
else if (AREG != 0) \PCOUT.arrival = 1780;
else if (BREG != 0) \PCOUT.arrival = 1765;
end
//else
// $error("Invalid DSP48E1 configuration");
end
endfunction
function integer \A.P.comb ;
begin
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \A.P.comb = 2823;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \A.P.comb = 3806;
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \A.P.comb = 1523;
end
endfunction
function integer \A.PCOUT.comb ;
begin
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \A.PCOUT.comb = 2970;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \A.PCOUT.comb = 3954;
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \A.PCOUT.comb = 1671;
end
endfunction
function integer \B.P.comb ;
begin
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \B.P.comb = 2690;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \B.P.comb = 2690;
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \B.P.comb = 1509;
end
endfunction
function integer \B.PCOUT.comb ;
begin
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \B.PCOUT.comb = 2838;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \B.PCOUT.comb = 2838;
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \B.PCOUT.comb = 1658;
end
endfunction
function integer \C.P.comb ;
begin
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \C.P.comb = 1325;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \C.P.comb = 1325;
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \C.P.comb = 1325;
end
endfunction
function integer \C.PCOUT.comb ;
begin
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") \C.PCOUT.comb = 1474;
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \C.PCOUT.comb = 1474;
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") \C.PCOUT.comb = 1474;
end
endfunction
function integer \D.P.comb ;
begin
if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \D.P.comb = 3717;
end
endfunction
function integer \D.PCOUT.comb ;
begin
if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") \D.PCOUT.comb = 3700;
end
endfunction
specify
$setup(A , posedge CLK &&& !IS_CLK_INVERTED, \A.required () );
$setup(A , negedge CLK &&& IS_CLK_INVERTED, \A.required () );
$setup(B , posedge CLK &&& !IS_CLK_INVERTED, \B.required () );
$setup(B , negedge CLK &&& IS_CLK_INVERTED, \B.required () );
$setup(C , posedge CLK &&& !IS_CLK_INVERTED, \C.required () );
$setup(C , negedge CLK &&& IS_CLK_INVERTED, \C.required () );
$setup(D , posedge CLK &&& !IS_CLK_INVERTED, \D.required () );
$setup(D , negedge CLK &&& IS_CLK_INVERTED, \D.required () );
$setup(PCIN, posedge CLK &&& !IS_CLK_INVERTED, \PCIN.required () );
$setup(PCIN, negedge CLK &&& IS_CLK_INVERTED, \PCIN.required () );
if (!IS_CLK_INVERTED && CEP) (posedge CLK => (P : 48'bx)) = \P.arrival () ;
if ( IS_CLK_INVERTED && CEP) (negedge CLK => (P : 48'bx)) = \P.arrival () ;
if (!IS_CLK_INVERTED && CEP) (posedge CLK => (PCOUT : 48'bx)) = \PCOUT.arrival () ;
if ( IS_CLK_INVERTED && CEP) (negedge CLK => (PCOUT : 48'bx)) = \PCOUT.arrival () ;
endspecify
generate
if (PREG == 0 && MREG == 0 && AREG == 0)
specify
(A *> P) = \A.P.comb ();
(A *> PCOUT) = \A.PCOUT.comb ();
endspecify
else
specify
$setup(A, posedge CLK &&& !IS_CLK_INVERTED, \A.required () );
$setup(A, negedge CLK &&& IS_CLK_INVERTED, \A.required () );
endspecify
if (PREG == 0 && MREG == 0 && BREG == 0)
specify
(B *> P) = \B.P.comb ();
(B *> PCOUT) = \B.PCOUT.comb ();
endspecify
else
specify
$setup(B, posedge CLK &&& !IS_CLK_INVERTED, \B.required () );
$setup(B, negedge CLK &&& IS_CLK_INVERTED, \B.required () );
endspecify
if (PREG == 0 && CREG == 0)
specify
(C *> P) = \C.P.comb ();
(C *> PCOUT) = \C.PCOUT.comb ();
endspecify
else
specify
$setup(C, posedge CLK &&& !IS_CLK_INVERTED, \C.required () );
$setup(C, negedge CLK &&& IS_CLK_INVERTED, \C.required () );
endspecify
if (PREG == 0 && MREG == 0 && DREG == 0)
specify
(D *> P) = \D.P.comb ();
(D *> PCOUT) = \D.PCOUT.comb ();
endspecify
else
specify
$setup(D, posedge CLK &&& !IS_CLK_INVERTED, \D.required () );
$setup(D, negedge CLK &&& IS_CLK_INVERTED, \D.required () );
endspecify
if (PREG == 0)
specify
(PCIN *> P) = 1107;
(PCIN *> PCOUT) = 1255;
endspecify
else
specify
$setup(PCIN, posedge CLK &&& !IS_CLK_INVERTED, USE_PATTERN_DETECT != "NO_PATDET" ? 1315 : 1025);
$setup(PCIN, negedge CLK &&& IS_CLK_INVERTED, USE_PATTERN_DETECT != "NO_PATDET" ? 1315 : 1025);
endspecify
if (PREG || AREG || BREG || CREG || DREG || MREG)
specify
if (!IS_CLK_INVERTED && CEP) (posedge CLK => (P : 48'bx)) = \P.arrival () ;
if ( IS_CLK_INVERTED && CEP) (negedge CLK => (P : 48'bx)) = \P.arrival () ;
if (!IS_CLK_INVERTED && CEP) (posedge CLK => (PCOUT : 48'bx)) = \PCOUT.arrival () ;
if ( IS_CLK_INVERTED && CEP) (negedge CLK => (PCOUT : 48'bx)) = \PCOUT.arrival () ;
endspecify
endgenerate
`endif
initial begin