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authorMitch Hayenga <mitch.hayenga@arm.com>2015-09-30 11:14:19 -0500
committerMitch Hayenga <mitch.hayenga@arm.com>2015-09-30 11:14:19 -0500
commita5c4eb3de9deb3a71a6a5230a25ff5962e584980 (patch)
tree874b659c6a5eaa1316cde9eb82ec7d08badf638a /src/arch
parente255fa053f8d105de8d188077a318124a3aad9ce (diff)
downloadgem5-a5c4eb3de9deb3a71a6a5230a25ff5962e584980.tar.xz
isa,cpu: Add support for FS SMT Interrupts
Adds per-thread interrupt controllers and thread/context logic so that interrupts properly get routed in SMT systems.
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/alpha/isa/decoder.isa2
-rw-r--r--src/arch/arm/faults.cc8
-rw-r--r--src/arch/arm/isa.cc6
-rw-r--r--src/arch/arm/isa/insts/misc.isa11
-rw-r--r--src/arch/sparc/isa.cc4
-rw-r--r--src/arch/sparc/tlb.cc12
-rw-r--r--src/arch/sparc/ua2005.cc32
-rw-r--r--src/arch/x86/utility.cc2
8 files changed, 39 insertions, 38 deletions
diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa
index c77ca434f..e61bb43ff 100644
--- a/src/arch/alpha/isa/decoder.isa
+++ b/src/arch/alpha/isa/decoder.isa
@@ -943,7 +943,7 @@ decode OPCODE default Unknown::unknown() {
0x01: quiesce({{
// Don't sleep if (unmasked) interrupts are pending
Interrupts* interrupts =
- xc->tcBase()->getCpuPtr()->getInterruptController();
+ xc->tcBase()->getCpuPtr()->getInterruptController(0);
if (interrupts->checkInterrupts(xc->tcBase())) {
PseudoInst::quiesceSkip(xc->tcBase());
} else {
diff --git a/src/arch/arm/faults.cc b/src/arch/arm/faults.cc
index 9d373e469..a2b1120ec 100644
--- a/src/arch/arm/faults.cc
+++ b/src/arch/arm/faults.cc
@@ -681,7 +681,7 @@ void
Reset::invoke(ThreadContext *tc, const StaticInstPtr &inst)
{
if (FullSystem) {
- tc->getCpuPtr()->clearInterrupts();
+ tc->getCpuPtr()->clearInterrupts(tc->threadId());
tc->clearArchRegs();
}
if (!ArmSystem::highestELIs64(tc)) {
@@ -938,7 +938,7 @@ AbortFault<T>::invoke(ThreadContext *tc, const StaticInstPtr &inst)
}
if (source == ArmFault::AsynchronousExternalAbort) {
- tc->getCpuPtr()->clearInterrupt(INT_ABT, 0);
+ tc->getCpuPtr()->clearInterrupt(tc->threadId(), INT_ABT, 0);
}
// Get effective fault source encoding
CPSR cpsr = tc->readMiscReg(MISCREG_CPSR);
@@ -1353,7 +1353,7 @@ SystemError::SystemError()
void
SystemError::invoke(ThreadContext *tc, const StaticInstPtr &inst)
{
- tc->getCpuPtr()->clearInterrupt(INT_ABT, 0);
+ tc->getCpuPtr()->clearInterrupt(tc->threadId(), INT_ABT, 0);
ArmFault::invoke(tc, inst);
}
@@ -1404,7 +1404,7 @@ ArmSev::invoke(ThreadContext *tc, const StaticInstPtr &inst) {
// SEV execution and let pipeline continue as pcState is still
// valid.
tc->setMiscReg(MISCREG_SEV_MAILBOX, 1);
- tc->getCpuPtr()->clearInterrupt(INT_SEV, 0);
+ tc->getCpuPtr()->clearInterrupt(tc->threadId(), INT_SEV, 0);
}
// Instantiate all the templates to make the linker happy
diff --git a/src/arch/arm/isa.cc b/src/arch/arm/isa.cc
index bac7bab89..f90b8a2df 100644
--- a/src/arch/arm/isa.cc
+++ b/src/arch/arm/isa.cc
@@ -668,12 +668,12 @@ ISA::readMiscReg(int misc_reg, ThreadContext *tc)
case MISCREG_DBGDSCRint:
return 0;
case MISCREG_ISR:
- return tc->getCpuPtr()->getInterruptController()->getISR(
+ return tc->getCpuPtr()->getInterruptController(tc->threadId())->getISR(
readMiscRegNoEffect(MISCREG_HCR),
readMiscRegNoEffect(MISCREG_CPSR),
readMiscRegNoEffect(MISCREG_SCR));
case MISCREG_ISR_EL1:
- return tc->getCpuPtr()->getInterruptController()->getISR(
+ return tc->getCpuPtr()->getInterruptController(tc->threadId())->getISR(
readMiscRegNoEffect(MISCREG_HCR_EL2),
readMiscRegNoEffect(MISCREG_CPSR),
readMiscRegNoEffect(MISCREG_SCR_EL3));
@@ -1929,7 +1929,7 @@ ISA::getGenericTimer(ThreadContext *tc)
"been configured to use a generic timer.\n");
}
- timer.reset(new GenericTimerISA(*generic_timer, tc->cpuId()));
+ timer.reset(new GenericTimerISA(*generic_timer, tc->contextId()));
return *timer.get();
}
diff --git a/src/arch/arm/isa/insts/misc.isa b/src/arch/arm/isa/insts/misc.isa
index 6ecaa78de..c8b1de1d8 100644
--- a/src/arch/arm/isa/insts/misc.isa
+++ b/src/arch/arm/isa/insts/misc.isa
@@ -649,7 +649,8 @@ let {{
if (SevMailbox == 1) {
SevMailbox = 0;
PseudoInst::quiesceSkip(tc);
- } else if (tc->getCpuPtr()->getInterruptController()->checkInterrupts(tc)) {
+ } else if (tc->getCpuPtr()->getInterruptController(
+ tc->threadId())->checkInterrupts(tc)) {
PseudoInst::quiesceSkip(tc);
} else if (cpsr.el == EL0 && !sctlr.ntwe) {
PseudoInst::quiesceSkip(tc);
@@ -692,8 +693,8 @@ let {{
// WFI doesn't sleep if interrupts are pending (masked or not)
ThreadContext *tc = xc->tcBase();
- if (tc->getCpuPtr()->getInterruptController()->checkWfiWake(hcr, cpsr,
- scr)) {
+ if (tc->getCpuPtr()->getInterruptController(
+ tc->threadId())->checkWfiWake(hcr, cpsr, scr)) {
PseudoInst::quiesceSkip(tc);
} else if (cpsr.el == EL0 && !sctlr.ntwi) {
PseudoInst::quiesceSkip(tc);
@@ -711,7 +712,7 @@ let {{
} else {
PseudoInst::quiesce(tc);
}
- tc->getCpuPtr()->clearInterrupt(INT_ABT, 0);
+ tc->getCpuPtr()->clearInterrupt(tc->threadId(), INT_ABT, 0);
'''
wfiIop = InstObjParams("wfi", "WfiInst", "PredOp", \
{ "code" : wfiCode, "predicate_test" : predicateTest },
@@ -731,7 +732,7 @@ let {{
// Wake CPU with interrupt if they were sleeping
if (oc->readMiscReg(MISCREG_SEV_MAILBOX) == 0) {
// Post Interrupt and wake cpu if needed
- oc->getCpuPtr()->postInterrupt(INT_SEV, 0);
+ oc->getCpuPtr()->postInterrupt(oc->threadId(), INT_SEV, 0);
}
}
'''
diff --git a/src/arch/sparc/isa.cc b/src/arch/sparc/isa.cc
index a588eaf66..aa10a0b46 100644
--- a/src/arch/sparc/isa.cc
+++ b/src/arch/sparc/isa.cc
@@ -591,9 +591,9 @@ ISA::setMiscReg(int miscReg, MiscReg val, ThreadContext * tc)
{
tl = val;
if (hpstate.tlz && tl == 0 && !hpstate.hpriv)
- tc->getCpuPtr()->postInterrupt(IT_TRAP_LEVEL_ZERO, 0);
+ tc->getCpuPtr()->postInterrupt(0, IT_TRAP_LEVEL_ZERO, 0);
else
- tc->getCpuPtr()->clearInterrupt(IT_TRAP_LEVEL_ZERO, 0);
+ tc->getCpuPtr()->clearInterrupt(0, IT_TRAP_LEVEL_ZERO, 0);
return;
}
case MISCREG_CWP:
diff --git a/src/arch/sparc/tlb.cc b/src/arch/sparc/tlb.cc
index c0c28f952..b4a761293 100644
--- a/src/arch/sparc/tlb.cc
+++ b/src/arch/sparc/tlb.cc
@@ -1022,7 +1022,7 @@ TLB::doMmuRegRead(ThreadContext *tc, Packet *pkt)
{
SparcISA::Interrupts * interrupts =
dynamic_cast<SparcISA::Interrupts *>(
- tc->getCpuPtr()->getInterruptController());
+ tc->getCpuPtr()->getInterruptController(0));
pkt->set(interrupts->get_vec(IT_INT_VEC));
}
break;
@@ -1030,9 +1030,9 @@ TLB::doMmuRegRead(ThreadContext *tc, Packet *pkt)
{
SparcISA::Interrupts * interrupts =
dynamic_cast<SparcISA::Interrupts *>(
- tc->getCpuPtr()->getInterruptController());
+ tc->getCpuPtr()->getInterruptController(0));
temp = findMsbSet(interrupts->get_vec(IT_INT_VEC));
- tc->getCpuPtr()->clearInterrupt(IT_INT_VEC, temp);
+ tc->getCpuPtr()->clearInterrupt(0, IT_INT_VEC, temp);
pkt->set(temp);
}
break;
@@ -1278,16 +1278,16 @@ TLB::doMmuRegWrite(ThreadContext *tc, Packet *pkt)
// clear all the interrupts that aren't set in the write
SparcISA::Interrupts * interrupts =
dynamic_cast<SparcISA::Interrupts *>(
- tc->getCpuPtr()->getInterruptController());
+ tc->getCpuPtr()->getInterruptController(0));
while (interrupts->get_vec(IT_INT_VEC) & data) {
msb = findMsbSet(interrupts->get_vec(IT_INT_VEC) & data);
- tc->getCpuPtr()->clearInterrupt(IT_INT_VEC, msb);
+ tc->getCpuPtr()->clearInterrupt(0, IT_INT_VEC, msb);
}
}
break;
case ASI_SWVR_UDB_INTR_W:
tc->getSystemPtr()->threadContexts[bits(data,12,8)]->getCpuPtr()->
- postInterrupt(bits(data, 5, 0), 0);
+ postInterrupt(0, bits(data, 5, 0), 0);
break;
default:
doMmuWriteError:
diff --git a/src/arch/sparc/ua2005.cc b/src/arch/sparc/ua2005.cc
index b207f2fac..2c100957f 100644
--- a/src/arch/sparc/ua2005.cc
+++ b/src/arch/sparc/ua2005.cc
@@ -49,20 +49,20 @@ ISA::checkSoftInt(ThreadContext *tc)
// If PIL < 14, copy over the tm and sm bits
if (pil < 14 && softint & 0x10000)
- cpu->postInterrupt(IT_SOFT_INT, 16);
+ cpu->postInterrupt(0, IT_SOFT_INT, 16);
else
- cpu->clearInterrupt(IT_SOFT_INT, 16);
+ cpu->clearInterrupt(0, IT_SOFT_INT, 16);
if (pil < 14 && softint & 0x1)
- cpu->postInterrupt(IT_SOFT_INT, 0);
+ cpu->postInterrupt(0, IT_SOFT_INT, 0);
else
- cpu->clearInterrupt(IT_SOFT_INT, 0);
+ cpu->clearInterrupt(0, IT_SOFT_INT, 0);
// Copy over any of the other bits that are set
for (int bit = 15; bit > 0; --bit) {
if (1 << bit & softint && bit > pil)
- cpu->postInterrupt(IT_SOFT_INT, bit);
+ cpu->postInterrupt(0, IT_SOFT_INT, bit);
else
- cpu->clearInterrupt(IT_SOFT_INT, bit);
+ cpu->clearInterrupt(0, IT_SOFT_INT, bit);
}
}
@@ -149,9 +149,9 @@ ISA::setFSReg(int miscReg, const MiscReg &val, ThreadContext *tc)
case MISCREG_HINTP:
setMiscRegNoEffect(miscReg, val);
if (hintp)
- cpu->postInterrupt(IT_HINTP, 0);
+ cpu->postInterrupt(0, IT_HINTP, 0);
else
- cpu->clearInterrupt(IT_HINTP, 0);
+ cpu->clearInterrupt(0, IT_HINTP, 0);
break;
case MISCREG_HTBA:
@@ -163,25 +163,25 @@ ISA::setFSReg(int miscReg, const MiscReg &val, ThreadContext *tc)
case MISCREG_QUEUE_CPU_MONDO_TAIL:
setMiscRegNoEffect(miscReg, val);
if (cpu_mondo_head != cpu_mondo_tail)
- cpu->postInterrupt(IT_CPU_MONDO, 0);
+ cpu->postInterrupt(0, IT_CPU_MONDO, 0);
else
- cpu->clearInterrupt(IT_CPU_MONDO, 0);
+ cpu->clearInterrupt(0, IT_CPU_MONDO, 0);
break;
case MISCREG_QUEUE_DEV_MONDO_HEAD:
case MISCREG_QUEUE_DEV_MONDO_TAIL:
setMiscRegNoEffect(miscReg, val);
if (dev_mondo_head != dev_mondo_tail)
- cpu->postInterrupt(IT_DEV_MONDO, 0);
+ cpu->postInterrupt(0, IT_DEV_MONDO, 0);
else
- cpu->clearInterrupt(IT_DEV_MONDO, 0);
+ cpu->clearInterrupt(0, IT_DEV_MONDO, 0);
break;
case MISCREG_QUEUE_RES_ERROR_HEAD:
case MISCREG_QUEUE_RES_ERROR_TAIL:
setMiscRegNoEffect(miscReg, val);
if (res_error_head != res_error_tail)
- cpu->postInterrupt(IT_RES_ERROR, 0);
+ cpu->postInterrupt(0, IT_RES_ERROR, 0);
else
- cpu->clearInterrupt(IT_RES_ERROR, 0);
+ cpu->clearInterrupt(0, IT_RES_ERROR, 0);
break;
case MISCREG_QUEUE_NRES_ERROR_HEAD:
case MISCREG_QUEUE_NRES_ERROR_TAIL:
@@ -213,9 +213,9 @@ ISA::setFSReg(int miscReg, const MiscReg &val, ThreadContext *tc)
setMiscRegNoEffect(miscReg, newVal);
newVal = hpstate;
if (newVal.tlz && tl == 0 && !newVal.hpriv)
- cpu->postInterrupt(IT_TRAP_LEVEL_ZERO, 0);
+ cpu->postInterrupt(0, IT_TRAP_LEVEL_ZERO, 0);
else
- cpu->clearInterrupt(IT_TRAP_LEVEL_ZERO, 0);
+ cpu->clearInterrupt(0, IT_TRAP_LEVEL_ZERO, 0);
break;
}
case MISCREG_HTSTATE:
diff --git a/src/arch/x86/utility.cc b/src/arch/x86/utility.cc
index f7d0f816e..cf6d2d910 100644
--- a/src/arch/x86/utility.cc
+++ b/src/arch/x86/utility.cc
@@ -183,7 +183,7 @@ void initCPU(ThreadContext *tc, int cpuId)
tc->setMiscReg(MISCREG_APIC_BASE, lApicBase);
Interrupts * interrupts = dynamic_cast<Interrupts *>(
- tc->getCpuPtr()->getInterruptController());
+ tc->getCpuPtr()->getInterruptController(0));
assert(interrupts);
interrupts->setRegNoEffect(APIC_ID, cpuId << 24);