forked from Github_Repos/cvw
Fixed disabling MulDiv when not supported. Started adding generate for FPU unsupported
This commit is contained in:
parent
004cac91e1
commit
ac163e091c
@ -43,6 +43,10 @@ module fpu (
|
|||||||
output logic [4:0] SetFflagsM, // FPU flags
|
output logic [4:0] SetFflagsM, // FPU flags
|
||||||
output logic [`XLEN-1:0] FPUResultW); // FPU result
|
output logic [`XLEN-1:0] FPUResultW); // FPU result
|
||||||
// *** change FMA to do 16 - 32 - 64 - 128 FEXPBITS
|
// *** change FMA to do 16 - 32 - 64 - 128 FEXPBITS
|
||||||
|
|
||||||
|
/*generate
|
||||||
|
if (`F_SUPPORTED) begin */
|
||||||
|
|
||||||
// control logic signal instantiation
|
// control logic signal instantiation
|
||||||
logic FWriteEnD, FWriteEnE, FWriteEnM, FWriteEnW; // FP register write enable
|
logic FWriteEnD, FWriteEnE, FWriteEnM, FWriteEnW; // FP register write enable
|
||||||
logic [2:0] FrmD, FrmE, FrmM; // FP rounding mode
|
logic [2:0] FrmD, FrmE, FrmM; // FP rounding mode
|
||||||
@ -398,5 +402,19 @@ module fpu (
|
|||||||
SetFflagsM = FPUFlagsW;
|
SetFflagsM = FPUFlagsW;
|
||||||
end
|
end
|
||||||
|
|
||||||
|
/* end else begin
|
||||||
|
assign FStallD = 0;
|
||||||
|
assign FWriteIntE = 0;
|
||||||
|
assign FWriteIntM = 0;
|
||||||
|
assign FWriteIntW = 0;
|
||||||
|
assign FWriteDataE = 0;
|
||||||
|
assign FIntResM = 0;
|
||||||
|
assign FDivBusyE = 0;
|
||||||
|
assign IllegalFPUInstrD = 0;
|
||||||
|
assign SetFflagsM = 0;
|
||||||
|
assign FPUResultW = 0;
|
||||||
|
end
|
||||||
|
endgenerate*/
|
||||||
|
|
||||||
endmodule // fpu
|
endmodule // fpu
|
||||||
|
|
||||||
|
@ -139,6 +139,8 @@ module muldiv (
|
|||||||
|
|
||||||
end else begin // no M instructions supported
|
end else begin // no M instructions supported
|
||||||
assign MulDivResultW = 0;
|
assign MulDivResultW = 0;
|
||||||
|
assign DivBusyE = 0;
|
||||||
|
assign DivDoneE = 0;
|
||||||
end
|
end
|
||||||
endgenerate
|
endgenerate
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user