pygar: modules/bluespec/Pygar/lab4/FIFOUtility.bsv annotate

[svn r44] processor largely working and mixer in good status

rev	line source
rlm@8	1 import FIFO::*;
rlm@8	2 import FIFOF::*;
rlm@8	3 import Clocks::*;
rlm@8	4 import GetPut::*;
rlm@8	5
rlm@8	6 function FIFO#(fifo_type) guardedfifofToFifo( FIFOF#(fifo_type) fifo);
rlm@8	7
rlm@8	8 FIFO#(fifo_type) f = interface FIFO#(fifo_type);
rlm@8	9 method first = fifo.first;
rlm@8	10 method enq = fifo.enq;
rlm@8	11 method deq = fifo.deq;
rlm@8	12 method clear = fifo.clear;
rlm@8	13 endinterface;
rlm@8	14 return f;
rlm@8	15 endfunction
rlm@8	16
rlm@8	17 function Get#(fifo_type) syncFifoToGet( SyncFIFOIfc#(fifo_type) fifo);
rlm@8	18 Get#(fifo_type) f = interface Get#(fifo_type);
rlm@8	19 method ActionValue#(fifo_type) get();
rlm@8	20 fifo.deq;
rlm@8	21 return fifo.first;
rlm@8	22 endmethod
rlm@8	23 endinterface;
rlm@8	24 return f;
rlm@8	25 endfunction
rlm@8	26
rlm@8	27 function Put#(fifo_type) syncFifoToPut( SyncFIFOIfc#(fifo_type) fifo);
rlm@8	28 Put#(fifo_type) f = interface Put#(fifo_type);
rlm@8	29 method Action put(fifo_type data);
rlm@8	30 fifo.enq(data);
rlm@8	31 endmethod
rlm@8	32 endinterface;
rlm@8	33 return f;
rlm@8	34 endfunction
rlm@8	35
rlm@8	36 function String fifofState(FIFOF#(data) fifo);
rlm@8	37 String s = "";
rlm@8	38
rlm@8	39 if(!fifo.notEmpty)
rlm@8	40 begin
rlm@8	41 s = "Empty";
rlm@8	42 end
rlm@8	43 else if (!fifo.notFull)
rlm@8	44 begin
rlm@8	45 s = "Full";
rlm@8	46 end
rlm@8	47 else
rlm@8	48 begin
rlm@8	49 s = "Neither Empty Nor Full";
rlm@8	50 end
rlm@8	51
rlm@8	52 return s;
rlm@8	53 endfunction
rlm@8	54

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