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comparison VMS.c @ 19:345d14338769

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Test seems to be working -- time to move on to full system
author Me
date Tue, 22 Jun 2010 12:55:55 -0700
parents 65c8fb2821ee
children 1dbc7f6e3e67
comparison
equal deleted inserted replaced
4:b21e0df42f17 5:e76b9b55566c
198 198
199 //return ownership of the virt procr and sched slot to Master virt pr 199 //return ownership of the virt procr and sched slot to Master virt pr
200 callingPr->schedSlot->workIsDone = TRUE; 200 callingPr->schedSlot->workIsDone = TRUE;
201 // coreIdx = callingPr->coreAnimatedBy; 201 // coreIdx = callingPr->coreAnimatedBy;
202 202
203 // stackPtrAddr = &(callingPr->stackPtr); 203 stackPtrAddr = &(callingPr->stackPtr);
204 // framePtrAddr = &(callingPr->framePtr); 204 framePtrAddr = &(callingPr->framePtr);
205 205
206 jmpPt = callingPr->coreLoopStartPt; 206 jmpPt = callingPr->coreLoopStartPt;
207 coreLoopFramePtr = callingPr->coreLoopFramePtr;//need this only 207 coreLoopFramePtr = callingPr->coreLoopFramePtr;//need this only
208 coreLoopStackPtr = callingPr->coreLoopStackPtr; 208 coreLoopStackPtr = callingPr->coreLoopStackPtr;//shouldn't need -- safety
209 // coreLoopStackPtr = coreLoopThdParams[ coreIdx ]->stackPtr;//prob dont need
210 209
211 //Save the virt procr's stack and frame ptrs, restore coreloop's frame 210 //Save the virt procr's stack and frame ptrs, restore coreloop's frame
212 // ptr, then jump back to "start" of core loop 211 // ptr, then jump back to "start" of core loop
213 asm volatile("movl %%esp, %0; \ 212 asm volatile("movl %0, %%eax; \
214 movl %%ebp, %1; \ 213 movl %%esp, (%%eax); \
215 movl %3, %%eax; \ 214 movl %1, %%eax; \
216 movl %2, %%ebp; \ 215 movl %%ebp, (%%eax); \
217 jmp %%eax " \ 216 movl %2, %%eax; \
218 /* outputs */ : "=g" (callingPr->stackPtr), "=g" (callingPr->framePtr) \ 217 movl %3, %%esp; \
219 /* inputs */ : "g"(coreLoopFramePtr), "g" (jmpPt) \ 218 movl %4, %%ebp; \
220 /* clobber */ : "memory", "%eax", "%ebx", "%ecx", "%edx", "%edi","%esi" \ 219 jmp %%eax " \
220 /* outputs */ : "=g" (stackPtrAddr), "=g" (framePtrAddr) \
221 /* inputs */ : "g" (jmpPt), "g"(coreLoopStackPtr), "g"(coreLoopFramePtr)\
222 /* clobber */ : "memory", "%eax", "%ebx", "%ecx", "%edx", "%edi","%esi" \
221 ); //list everything as clobbered to force GCC to save all 223 ); //list everything as clobbered to force GCC to save all
222 // live vars that are in regs on stack before this 224 // live vars that are in regs on stack before this
223 // assembly, so that stack pointer is correct, before jmp 225 // assembly, so that stack pointer is correct, before jmp
224 226
225 ResumePt: 227 ResumePt: