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annotate ProcrContext.h @ 132:dbfc8382d546
distributed memory allocation interface - unfinished
| author | Merten Sach <msach@mailbox.tu-berlin.de> |
|---|---|
| date | Fri, 16 Sep 2011 14:25:49 +0200 |
| parents | 521c75d64cef |
| children | a9b72021f053 |
| rev | line source |
|---|---|
| Me@55 | 1 /* |
| Me@55 | 2 * Copyright 2009 OpenSourceStewardshipFoundation.org |
| Me@55 | 3 * Licensed under GNU General Public License version 2 |
| Me@55 | 4 * |
| Me@55 | 5 * Author: seanhalle@yahoo.com |
| Me@55 | 6 * |
| Me@55 | 7 */ |
| msach@77 | 8 #ifndef _ProcrContext_H |
| msach@77 | 9 #define _ProcrContext_H |
| msach@76 | 10 #define _GNU_SOURCE |
| Me@55 | 11 |
| msach@132 | 12 #include "VMS.h" |
| msach@132 | 13 |
| msach@132 | 14 typedef struct _SchedSlot SchedSlot; |
| msach@132 | 15 typedef struct _VirtProcr VirtProcr; |
| msach@132 | 16 |
| msach@132 | 17 /*WARNING: re-arranging this data structure could cause VP switching |
| msach@132 | 18 * assembly code to fail -- hard-codes offsets of fields |
| msach@132 | 19 */ |
| msach@132 | 20 struct _VirtProcr |
| msach@132 | 21 { int procrID; //for debugging -- count up each time create |
| msach@132 | 22 int coreAnimatedBy; |
| msach@132 | 23 void *startOfStack; |
| msach@132 | 24 void *stackPtr; |
| msach@132 | 25 void *framePtr; |
| msach@132 | 26 void *nextInstrPt; |
| msach@132 | 27 |
| msach@132 | 28 void *coreLoopStartPt; //allows proto-runtime to be linked later |
| msach@132 | 29 void *coreLoopFramePtr; //restore before jmp back to core loop |
| msach@132 | 30 void *coreLoopStackPtr; //restore before jmp back to core loop |
| msach@132 | 31 |
| msach@132 | 32 void *initialData; |
| msach@132 | 33 |
| msach@132 | 34 SchedSlot *schedSlot; |
| msach@132 | 35 VMSReqst *requests; |
| msach@132 | 36 |
| msach@132 | 37 void *semanticData; |
| msach@132 | 38 void *dataRetFromReq; //values returned from plugin to VP go here |
| msach@132 | 39 |
| msach@132 | 40 //=========== MEASUREMENT STUFF ========== |
| msach@132 | 41 #ifdef MEAS__TIME_STAMP_SUSP |
| msach@132 | 42 unsigned int preSuspTSCLow; |
| msach@132 | 43 unsigned int postSuspTSCLow; |
| msach@132 | 44 #endif |
| msach@132 | 45 #ifdef MEAS__TIME_MASTER /* in VirtProcr because multiple masterVPs*/ |
| msach@132 | 46 unsigned int startMasterTSCLow;USE_GNU |
| msach@132 | 47 unsigned int endMasterTSCLow; |
| msach@132 | 48 #endif |
| msach@132 | 49 //======================================== |
| msach@132 | 50 |
| msach@132 | 51 float64 createPtInSecs; //have space but don't use on some configs |
| msach@132 | 52 }; |
| msach@132 | 53 //VirtProcr |
| msach@132 | 54 |
| msach@132 | 55 struct _SchedSlot |
| msach@132 | 56 { |
| msach@132 | 57 int workIsDone; |
| msach@132 | 58 int needsProcrAssigned; |
| msach@132 | 59 VirtProcr *procrAssignedToSlot; |
| msach@132 | 60 }; |
| msach@132 | 61 |
| msach@76 | 62 void saveCoreLoopReturnAddr(void **returnAddress); |
| msach@71 | 63 |
| msach@71 | 64 void switchToVP(VirtProcr *nextProcr); |
| msach@71 | 65 |
| msach@71 | 66 void switchToCoreLoop(VirtProcr *nextProcr); |
| msach@71 | 67 |
| msach@71 | 68 void masterSwitchToCoreLoop(VirtProcr *nextProcr); |
| msach@71 | 69 |
| msach@76 | 70 void startVirtProcrFn(); |
| msach@76 | 71 |
| msach@78 | 72 void *asmTerminateCoreLoop(VirtProcr *currPr); |
| msach@78 | 73 |
| msach@71 | 74 #define flushRegisters() \ |
| msach@76 | 75 asm volatile ("":::"%rbx", "%r12", "%r13","%r14","%r15") |
| msach@71 | 76 |
| msach@77 | 77 inline VirtProcr * |
| msach@77 | 78 create_procr_helper( VirtProcr *newPr, VirtProcrFnPtr fnPtr, |
| msach@77 | 79 void *initialData, void *stackLocs ); |
| Me@55 | 80 |
| msach@77 | 81 #endif /* _ProcrContext_H */ |
| Me@62 | 82 |