1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/HWSim__LPGPU_Arch__HWDef/GpuArchitectureNetlistreator.c	Wed Mar 07 17:25:19 2012 +0100
     1.3 @@ -0,0 +1,114 @@
     1.4 +/*
     1.5 + *  Copyright 2011 OpenSourceStewardshipFoundation.org
     1.6 + *  Licensed under GNU General Public License version 2
     1.7 + *
     1.8 + * Author: seanhalle@yahoo.com
     1.9 + *
    1.10 + */
    1.11 +#include "HWSim__LPGPU_Arch__HWDef/HWSim__LPGPU_Arch__HWDef.h"
    1.12 + 
    1.13 +/*'' is an expr resolves to an actual commPath struct instance
    1.14 + */
    1.15 +#define setCommPathValuesTo( commPath, fromElIdx, outPort, toElIdx, inPort,\
    1.16 +                             commTimeFnPtr, dataPtr)\
    1.17 +do{\
    1.18 +   commPath->idxOfFromElem     = fromElIdx; \
    1.19 +   commPath->idxOfFromOutPort  = fromElIdx; \
    1.20 +   commPath->idxOfToElem       = toElIdx; \
    1.21 +   commPath->idxOfToInPort     = inPort; \
    1.22 +   commPath->commTimeFnPtr     = commTimeFnPtr;\
    1.23 +   commPath->archSpecCommPathData  = dataPtr; \
    1.24 + }while(0); //macro magic for namespace
    1.25 +
    1.26 +
    1.27 +/*This file constructs the netlist for the New GPU Architecture.
    1.28 + *
    1.29 + * It has two elements, each with one input port and one output port, and
    1.30 + * a single activity-type.
    1.31 + *
    1.32 + *The elements are cross-coupled, so output port of one connects to input
    1.33 + * port of the other.  The input port has a single trigger, which fires
    1.34 + * the one activity-type.
    1.35 + *
    1.36 + *The activity does nothing, except send a NULL message on the output port.
    1.37 + *The activity-sim-time and communication-sim-time are both constants.
    1.38 + *
    1.39 + *Note that elements are generic.  They are specialized by declaring
    1.40 + * inports and outports, and by registering triggers that fire particular
    1.41 + * activity-types.
    1.42 + */
    1.43 +HWSimNetlist *createGpuArchitectureNetlist()
    1.44 + { HWSimNetlist   *netlist;
    1.45 +   HWSimCommPath  **commPaths;
    1.46 +   HWSimElem **elems;
    1.47 +   int32 numElems;
    1.48 +   int32 numCommPaths;
    1.49 +	HWSimActivityType *foo;
    1.50 +   
    1.51 +   netlist = malloc( sizeof(HWSimNetlist) );
    1.52 +   // numElems will change as we add more Elements
    1.53 +   numElems = 1;
    1.54 +   elems = malloc( numElems * sizeof(HWSimElem) );
    1.55 +   netlist->numElems = numElems;
    1.56 +   netlist->elems    = elems;
    1.57 +   //numActivityTypes will change as we add more Elements
    1.58 +   netlist->numActivityTypes = 3;
    1.59 +   netlist->activityTypes = malloc(netlist->numActivityTypes*sizeof(HWSimActivityType*));
    1.60 +   netlist->activityTypes[CONTEXT_SCHEDULER_TYPE] = createContextSchedulerActivityType();
    1.61 +   netlist->activityTypes[FSM_STATE_UPDATE_TYPE] = createFsmUpdateActivityType();
    1.62 +   netlist->activityTypes[INSTRUCTION_FETCH_TYPE] = createInstructionFetchActivityType();
    1.63 +   elems[0] = createContextUnitElem( netlist ); //use info from netlist
    1.64 +   
    1.65 +      //on one of the elems, make reset trigger an action   
    1.66 +   elems[1]->inPorts[-1].triggeredActivityType =
    1.67 +              netlist->activityTypes[PING_PONG_TYPE]; //Connect elems together
    1.68 +			  
    1.69 +	/*OutPorts and InPorts may have many commPaths attached.
    1.70 +    *  but an inPort only     
    1.71 +	 * has one kind of activity that all incoming communications trigger.  That
    1.72 +	 * activity can be zero time and then switch on the type of message then
    1.73 +	 * end with a continuation, where the continuation activity is chosen by the    
    1.74 +	 * switch. 
    1.75 +	 *So, a commPath only connects an out port to an in port
    1.76 +	 *The format is: sending TL-index, out-port, dest TL-index, in-port
    1.77 +	 */
    1.78 +   numCommPaths          = 2;
    1.79 +   commPaths             = malloc( numCommPaths * sizeof(HWSimCommPath) );
    1.80 +   netlist->numCommPaths= numCommPaths;
    1.81 +   netlist->commPaths= commPaths;
    1.82 +      //TL 0, out-port 0 to TL 1, in-port 0
    1.83 +   setCommPathValuesTo(commPaths[0], 0,0,1,0, &commPath_TimeSpanCalc, NULL); 
    1.84 +      //TL 1, out-port 0 to TL 0, in-port 0
    1.85 +   setCommPathValuesTo(commPaths[1], 1,0,0,0, &commPath_TimeSpanCalc, NULL);
    1.86 +   
    1.87 +   //TODO: decide how do in-out bidirectional commPaths -- thinking make it two
    1.88 +   // separate commPaths with guard between in-port and out-port
    1.89 + }
    1.90 + 
    1.91 +   //Stefan: copy netlist struct with VMS malloc after VMS initialized?
    1.92 +HWSimElem *
    1.93 +createContextUnitElem( HWSimNetlist *netlist )
    1.94 + { HWSimElem *CU;
    1.95 +   CU = malloc( sizeof(HWSimElem) );
    1.96 +   //Sean: how do we define this state
    1.97 +   CU->state=malloc(numContextUnit*sizeof(contextUnit));
    1.98 +   //numInPorts may change with change in Design
    1.99 +   CU->numInPorts  = 8;
   1.100 +   CU->numOutPorts = 2;
   1.101 +   CU->inPorts = HWSim_ext__make_inPortsArray( CU->numInPorts );
   1.102 +   CU->inPorts[-1].triggeredActivityType = IDLE_SPAN; //reset port
   1.103 +   CU->inPorts[0].triggeredActivityType  = netlist->activityTypes[CONTEXT_SCHEDULER_TYPE];
   1.104 +   CU->inPorts[1].triggeredActivityType  = netlist->activityTypes[FSM_STATE_UPDATE_TYPE];
   1.105 +   CU->inPorts[2].triggeredActivityType  = netlist->activityTypes[INSTRUCTION_FETCH_TYPE];
   1.106 + }
   1.107 + 
   1.108 +HWSimActivityType *
   1.109 +createContextSchedulerActivityType()
   1.110 + { HWSimActivityType *contextSchedulerActivityType;
   1.111 +   contextSchedulerActivityType = malloc( sizeof(HWSimActivityType) );
   1.112 +   contextSchedulerActivityType->behaviorFn = &contextUnitElem_SchedulerActivity_behavior;
   1.113 +   contextSchedulerActivityType->timingFn   = &contextUnitElem_SchedulerActivity_timing;
   1.114 +   return contextSchedulerActivityType;
   1.115 + } 
   1.116 + 
   1.117 +