diff options
Diffstat (limited to 'src/arch/mips/interrupts.cc')
-rwxr-xr-x | src/arch/mips/interrupts.cc | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/src/arch/mips/interrupts.cc b/src/arch/mips/interrupts.cc index 207bb15da..4b1f37856 100755 --- a/src/arch/mips/interrupts.cc +++ b/src/arch/mips/interrupts.cc @@ -31,25 +31,26 @@ * Korey Sewell */ -#include "arch/mips/pra_constants.hh" +#include "arch/mips/interrupts.hh" #include "arch/mips/isa_traits.hh" +#include "arch/mips/pra_constants.hh" +#include "base/trace.hh" #include "cpu/thread_context.hh" -#include "arch/mips/interrupts.hh" namespace MipsISA { static inline uint8_t getCauseIP(ThreadContext *tc) { - MiscReg cause = tc->readMiscRegNoEffect(MipsISA::Cause); - return bits(cause, Cause_IP7, Cause_IP0); + CauseReg cause = tc->readMiscRegNoEffect(Cause); + return cause.ip; } static inline void -setCauseIP_(ThreadContext *tc, uint8_t val) { - MiscReg cause = tc->readMiscRegNoEffect(MipsISA::Cause); - replaceBits(cause, Cause_IP7, Cause_IP0, val); - tc->setMiscRegNoEffect(MipsISA::Cause, cause); +setCauseIP(ThreadContext *tc, uint8_t val) { + CauseReg cause = tc->readMiscRegNoEffect(Cause); + cause.ip = val; + tc->setMiscRegNoEffect(Cause, cause); } void @@ -110,21 +111,17 @@ Interrupts::getInterrupt(ThreadContext * tc) DPRINTF(Interrupt, "Interrupts getInterrupt\n"); //Check if there are any outstanding interrupts - MiscReg status = tc->readMiscRegNoEffect(MipsISA::Status); + StatusReg status = tc->readMiscRegNoEffect(Status); // Interrupts must be enabled, error level must be 0 or interrupts // inhibited, and exception level must be 0 or interrupts inhibited - if (bits(status, Status_IE_LO) == 1 && - bits(status, Status_ERL_HI, Status_ERL_LO) == 0 && - bits(status, Status_EXL_HI, Status_EXL_LO) == 0) { + if ((status.ie == 1) && (status.erl == 0) && (status.exl == 0)) { // Software interrupts & hardware interrupts are handled in software. // So if any interrupt that isn't masked is detected, jump to interrupt // handler - uint8_t InterruptMask = bits(status, Status_IM7, Status_IM0); - uint8_t InterruptPending = getCauseIP(tc); - // InterruptMask and InterruptPending are already correctly aligned - if (InterruptMask && InterruptPending){ + CauseReg cause = tc->readMiscRegNoEffect(Cause); + if (status.im && cause.ip) { DPRINTF(Interrupt, "Interrupt! IM[7:0]=%d IP[7:0]=%d \n", - InterruptMask, InterruptPending); + (unsigned)status.im, (unsigned)cause.ip); return new InterruptFault; } } @@ -135,8 +132,8 @@ Interrupts::getInterrupt(ThreadContext * tc) bool Interrupts::onCpuTimerInterrupt(ThreadContext * tc) const { - MiscReg compare = tc->readMiscRegNoEffect(MipsISA::Compare); - MiscReg count = tc->readMiscRegNoEffect(MipsISA::Count); + MiscReg compare = tc->readMiscRegNoEffect(Compare); + MiscReg count = tc->readMiscRegNoEffect(Count); if (compare == count && count != 0) return true; return false; @@ -156,13 +153,10 @@ Interrupts::interruptsPending(ThreadContext *tc) const if (onCpuTimerInterrupt(tc)) { DPRINTF(Interrupt, "Interrupts OnCpuTimerINterrupt(tc) == true\n"); //determine timer interrupt IP # - MiscReg intctl = tc->readMiscRegNoEffect(MipsISA::IntCtl); - uint8_t IPTI = bits(intctl, IntCtl_IPTI_HI, IntCtl_IPTI_LO); - //set intstatus to correspond - //post(IPTI, tc); - uint8_t intstatus = getCauseIP(tc); - intstatus |= 1 << IPTI; - setCauseIP(tc, intstatus); + IntCtlReg intCtl = tc->readMiscRegNoEffect(IntCtl); + uint8_t intStatus = getCauseIP(tc); + intStatus |= 1 << intCtl.ipti; + setCauseIP(tc, intStatus); } return (getCauseIP(tc) != 0); @@ -170,3 +164,9 @@ Interrupts::interruptsPending(ThreadContext *tc) const } } + +MipsISA::Interrupts * +MipsInterruptsParams::create() +{ + return new MipsISA::Interrupts(this); +} |