diff options
Diffstat (limited to 'cpu/simple')
| -rw-r--r-- | cpu/simple/cpu.cc | 17 | ||||
| -rw-r--r-- | cpu/simple/cpu.hh | 25 |
2 files changed, 27 insertions, 15 deletions
diff --git a/cpu/simple/cpu.cc b/cpu/simple/cpu.cc index 1f362876f..d826c589e 100644 --- a/cpu/simple/cpu.cc +++ b/cpu/simple/cpu.cc @@ -659,12 +659,11 @@ SimpleCPU::tick() int ipl = 0; int summary = 0; checkInterrupts = false; - IntReg *ipr = xc->regs.ipr; - if (xc->regs.ipr[IPR_SIRR]) { + if (xc->readMiscReg(IPR_SIRR)) { for (int i = INTLEVEL_SOFTWARE_MIN; i < INTLEVEL_SOFTWARE_MAX; i++) { - if (ipr[IPR_SIRR] & (ULL(1) << i)) { + if (xc->readMiscReg(IPR_SIRR) & (ULL(1) << i)) { // See table 4-19 of 21164 hardware reference ipl = (i - INTLEVEL_SOFTWARE_MIN) + 1; summary |= (ULL(1) << i); @@ -682,16 +681,16 @@ SimpleCPU::tick() } } - if (ipr[IPR_ASTRR]) + if (xc->readMiscReg(IPR_ASTRR)) panic("asynchronous traps not implemented\n"); - if (ipl && ipl > xc->regs.ipr[IPR_IPLR]) { - ipr[IPR_ISR] = summary; - ipr[IPR_INTID] = ipl; + if (ipl && ipl > xc->readMiscReg(IPR_IPLR)) { + xc->setMiscReg(IPR_ISR, summary); + xc->setMiscReg(IPR_INTID, ipl); (new InterruptFault)->ev5_trap(xc); DPRINTF(Flow, "Interrupt! IPLR=%d ipl=%d summary=%x\n", - ipr[IPR_IPLR], ipl, summary); + xc->readMiscReg(IPR_IPLR), ipl, summary); } } #endif @@ -782,7 +781,7 @@ SimpleCPU::tick() } if (xc->profile) { - bool usermode = (xc->regs.ipr[AlphaISA::IPR_DTB_CM] & 0x18) != 0; + bool usermode = (xc->readMiscReg(AlphaISA::IPR_DTB_CM) & 0x18) != 0; xc->profilePC = usermode ? 1 : xc->regs.pc; ProfileNode *node = xc->profile->consume(xc, inst); if (node) diff --git a/cpu/simple/cpu.hh b/cpu/simple/cpu.hh index c58b3c5ba..243172821 100644 --- a/cpu/simple/cpu.hh +++ b/cpu/simple/cpu.hh @@ -65,6 +65,7 @@ class SimpleCPU : public BaseCPU { protected: typedef TheISA::MachInst MachInst; + typedef TheISA::MiscReg MiscReg; public: // main simulation loop (one cycle) void tick(); @@ -321,15 +322,27 @@ class SimpleCPU : public BaseCPU uint64_t readPC() { return xc->readPC(); } void setNextPC(uint64_t val) { xc->setNextPC(val); } - uint64_t readUniq() { return xc->readUniq(); } - void setUniq(uint64_t val) { xc->setUniq(val); } + MiscReg readMiscReg(int misc_reg) + { + return xc->readMiscReg(misc_reg); + } + + MiscReg readMiscRegWithEffect(int misc_reg, Fault &fault) + { + return xc->readMiscRegWithEffect(misc_reg, fault); + } - uint64_t readFpcr() { return xc->readFpcr(); } - void setFpcr(uint64_t val) { xc->setFpcr(val); } + Fault setMiscReg(int misc_reg, const MiscReg &val) + { + return xc->setMiscReg(misc_reg, val); + } + + Fault setMiscRegWithEffect(int misc_reg, const MiscReg &val) + { + return xc->setMiscRegWithEffect(misc_reg, val); + } #if FULL_SYSTEM - uint64_t readIpr(int idx, Fault &fault) { return xc->readIpr(idx, fault); } - Fault setIpr(int idx, uint64_t val) { return xc->setIpr(idx, val); } Fault hwrei() { return xc->hwrei(); } int readIntrFlag() { return xc->readIntrFlag(); } void setIntrFlag(int val) { xc->setIntrFlag(val); } |