arch/sparc/process.cc

71 SparcProcess::handleTrap(int trapNum, ThreadContext *tc, Fault *fault)
73     PCState pc = tc->pcState();
82         flushWindows(tc);
116     ThreadContext *tc = system->getThreadContext(contextIds[0]);
120     tc->setMiscRegNoEffect(MISCREG_FSR, 0);
122     tc->setMiscRegNoEffect(MISCREG_TICK, 0);
129     // tc->setMiscRegNoEffect(MISCREG_OTHERWIN, 0);
130     tc->setIntReg(NumIntArchRegs + 6, 0);
132     // tc->setMiscRegNoEffect(MISCREG_CANRESTORE, 0);
133     tc->setIntReg(NumIntArchRegs + 4, 0);
135     // tc->setMiscRegNoEffect(MISCREG_CANSAVE, NWindows - 2);
136     tc->setIntReg(NumIntArchRegs + 3, NWindows - 2);
138     // tc->setMiscRegNoEffect(MISCREG_CLEANWIN, NWindows);
139     tc->setIntReg(NumIntArchRegs + 5, NWindows);
141     tc->setMiscReg(MISCREG_CWP, 0);
143     // tc->setMiscRegNoEffect(MISCREG_WSTATE, 0);
144     tc->setIntReg(NumIntArchRegs + 7, 0);
146     tc->setMiscRegNoEffect(MISCREG_TL, 0);
148     tc->setMiscReg(MISCREG_ASI, ASI_PRIMARY);
151     tc->setMiscReg(MISCREG_MMU_P_CONTEXT, _pid);
157     tc->setMiscRegNoEffect(MISCREG_MMU_LSU_CTRL, 15);
165     ThreadContext *tc = system->getThreadContext(contextIds[0]);
170     tc->setMiscReg(MISCREG_PSTATE, pstate);
180     ThreadContext *tc = system->getThreadContext(contextIds[0]);
184     tc->setMiscReg(MISCREG_PSTATE, pstate);
395     ThreadContext *tc = system->getThreadContext(contextIds[0]);
398     // tc->setIntReg(ArgumentReg[0], argc);
399     // tc->setIntReg(ArgumentReg[1], argv_array_base);
400     tc->setIntReg(StackPointerReg, memState->getStackMin() - StackBias);
404     tc->setIntReg(1, 0);
406     tc->pcState(getStartPC());
436 void Sparc32Process::flushWindows(ThreadContext *tc)
438     RegVal Cansave = tc->readIntReg(NumIntArchRegs + 3);
439     RegVal Canrestore = tc->readIntReg(NumIntArchRegs + 4);
440     RegVal Otherwin = tc->readIntReg(NumIntArchRegs + 6);
441     RegVal CWP = tc->readMiscReg(MISCREG_CWP);
448             tc->setMiscReg(MISCREG_CWP, CWP);
450             RegVal sp = tc->readIntReg(StackPointerReg);
452                 uint32_t regVal = tc->readIntReg(index);
454                 if (!tc->getVirtProxy().tryWriteBlob(
465     tc->setIntReg(NumIntArchRegs + 3, Cansave);
466     tc->setIntReg(NumIntArchRegs + 4, Canrestore);
467     tc->setMiscReg(MISCREG_CWP, origCWP);
471 Sparc64Process::flushWindows(ThreadContext *tc)
473     RegVal Cansave = tc->readIntReg(NumIntArchRegs + 3);
474     RegVal Canrestore = tc->readIntReg(NumIntArchRegs + 4);
475     RegVal Otherwin = tc->readIntReg(NumIntArchRegs + 6);
476     RegVal CWP = tc->readMiscReg(MISCREG_CWP);
483             tc->setMiscReg(MISCREG_CWP, CWP);
485             RegVal sp = tc->readIntReg(StackPointerReg);
487                 RegVal regVal = tc->readIntReg(index);
489                 if (!tc->getVirtProxy().tryWriteBlob(
500     tc->setIntReg(NumIntArchRegs + 3, Cansave);
501     tc->setIntReg(NumIntArchRegs + 4, Canrestore);
502     tc->setMiscReg(MISCREG_CWP, origCWP);
506 Sparc32Process::getSyscallArg(ThreadContext *tc, int &i)
509     return bits(tc->readIntReg(FirstArgumentReg + i++), 31, 0);
513 Sparc32Process::setSyscallArg(ThreadContext *tc, int i, RegVal val)
516     tc->setIntReg(FirstArgumentReg + i, bits(val, 31, 0));
520 Sparc64Process::getSyscallArg(ThreadContext *tc, int &i)
523     return tc->readIntReg(FirstArgumentReg + i++);
527 Sparc64Process::setSyscallArg(ThreadContext *tc, int i, RegVal val)
530     tc->setIntReg(FirstArgumentReg + i, val);
534 SparcProcess::setSyscallReturn(ThreadContext *tc, SyscallReturn sysret)
539     PSTATE pstate = tc->readMiscRegNoEffect(MISCREG_PSTATE);
542         tc->setIntReg(NumIntArchRegs + 2,
543                       tc->readIntReg(NumIntArchRegs + 2) & 0xEE);
547         tc->setIntReg(ReturnValueReg, val);
550         tc->setIntReg(NumIntArchRegs + 2,
551                       tc->readIntReg(NumIntArchRegs + 2) | 0x11);
555         tc->setIntReg(ReturnValueReg, val);