summaryrefslogtreecommitdiff
path: root/src/arch/alpha/ev5.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/alpha/ev5.cc')
-rw-r--r--src/arch/alpha/ev5.cc92
1 files changed, 51 insertions, 41 deletions
diff --git a/src/arch/alpha/ev5.cc b/src/arch/alpha/ev5.cc
index 12f7659e6..7d6894733 100644
--- a/src/arch/alpha/ev5.cc
+++ b/src/arch/alpha/ev5.cc
@@ -24,6 +24,9 @@
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Steve Reinhardt
+ * Nathan Binkert
*/
#include "arch/alpha/tlb.hh"
@@ -34,11 +37,11 @@
#include "base/stats/events.hh"
#include "config/full_system.hh"
#include "cpu/base.hh"
-#include "cpu/cpu_exec_context.hh"
-#include "cpu/exec_context.hh"
+#include "cpu/simple_thread.hh"
+#include "cpu/thread_context.hh"
#include "kern/kernel_stats.hh"
#include "sim/debug.hh"
-#include "sim/sim_events.hh"
+#include "sim/sim_exit.hh"
#if FULL_SYSTEM
@@ -49,15 +52,15 @@ using namespace EV5;
// Machine dependent functions
//
void
-AlphaISA::initCPU(ExecContext *xc, int cpuId)
+AlphaISA::initCPU(ThreadContext *tc, int cpuId)
{
- initIPRs(xc, cpuId);
+ initIPRs(tc, cpuId);
- xc->setIntReg(16, cpuId);
- xc->setIntReg(0, cpuId);
+ tc->setIntReg(16, cpuId);
+ tc->setIntReg(0, cpuId);
- xc->setPC(xc->readMiscReg(IPR_PAL_BASE) + (new ResetFault)->vect());
- xc->setNextPC(xc->readPC() + sizeof(MachInst));
+ tc->setPC(tc->readMiscReg(IPR_PAL_BASE) + (new ResetFault)->vect());
+ tc->setNextPC(tc->readPC() + sizeof(MachInst));
}
////////////////////////////////////////////////////////////////////////
@@ -65,15 +68,15 @@ AlphaISA::initCPU(ExecContext *xc, int cpuId)
//
//
void
-AlphaISA::initIPRs(ExecContext *xc, int cpuId)
+AlphaISA::initIPRs(ThreadContext *tc, int cpuId)
{
for (int i = 0; i < NumInternalProcRegs; ++i) {
- xc->setMiscReg(i, 0);
+ tc->setMiscReg(i, 0);
}
- xc->setMiscReg(IPR_PAL_BASE, PalBase);
- xc->setMiscReg(IPR_MCSR, 0x6);
- xc->setMiscReg(IPR_PALtemp16, cpuId);
+ tc->setMiscReg(IPR_PAL_BASE, PalBase);
+ tc->setMiscReg(IPR_MCSR, 0x6);
+ tc->setMiscReg(IPR_PALtemp16, cpuId);
}
@@ -132,12 +135,12 @@ AlphaISA::zeroRegisters(CPU *cpu)
// Insure ISA semantics
// (no longer very clean due to the change in setIntReg() in the
// cpu model. Consider changing later.)
- cpu->cpuXC->setIntReg(ZeroReg, 0);
- cpu->cpuXC->setFloatReg(ZeroReg, 0.0);
+ cpu->thread->setIntReg(ZeroReg, 0);
+ cpu->thread->setFloatReg(ZeroReg, 0.0);
}
Fault
-CPUExecContext::hwrei()
+SimpleThread::hwrei()
{
if (!inPalMode())
return new UnimplementedOpcodeFault;
@@ -145,7 +148,8 @@ CPUExecContext::hwrei()
setNextPC(readMiscReg(AlphaISA::IPR_EXC_ADDR));
if (!misspeculating()) {
- cpu->kernelStats->hwrei();
+ if (kernelStats)
+ kernelStats->hwrei();
cpu->checkInterrupts = true;
}
@@ -167,7 +171,7 @@ AlphaISA::MiscRegFile::getDataAsid()
}
AlphaISA::MiscReg
-AlphaISA::MiscRegFile::readIpr(int idx, Fault &fault, ExecContext *xc)
+AlphaISA::MiscRegFile::readIpr(int idx, Fault &fault, ThreadContext *tc)
{
uint64_t retval = 0; // return value, default 0
@@ -221,7 +225,7 @@ AlphaISA::MiscRegFile::readIpr(int idx, Fault &fault, ExecContext *xc)
case AlphaISA::IPR_CC:
retval |= ipr[idx] & ULL(0xffffffff00000000);
- retval |= xc->getCpuPtr()->curCycle() & ULL(0x00000000ffffffff);
+ retval |= tc->getCpuPtr()->curCycle() & ULL(0x00000000ffffffff);
break;
case AlphaISA::IPR_VA:
@@ -238,7 +242,7 @@ AlphaISA::MiscRegFile::readIpr(int idx, Fault &fault, ExecContext *xc)
case AlphaISA::IPR_DTB_PTE:
{
- AlphaISA::PTE &pte = xc->getDTBPtr()->index(!xc->misspeculating());
+ AlphaISA::PTE &pte = tc->getDTBPtr()->index(!tc->misspeculating());
retval |= ((u_int64_t)pte.ppn & ULL(0x7ffffff)) << 32;
retval |= ((u_int64_t)pte.xre & ULL(0xf)) << 8;
@@ -278,11 +282,11 @@ int break_ipl = -1;
#endif
Fault
-AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
+AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ThreadContext *tc)
{
uint64_t old;
- if (xc->misspeculating())
+ if (tc->misspeculating())
return NoFault;
switch (idx) {
@@ -335,7 +339,8 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
// write entire quad w/ no side-effect
old = ipr[idx];
ipr[idx] = val;
- xc->getCpuPtr()->kernelStats->context(old, val, xc);
+ if (tc->getKernelStats())
+ tc->getKernelStats()->context(old, val, tc);
break;
case AlphaISA::IPR_DTB_PTE:
@@ -362,14 +367,18 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
// only write least significant five bits - interrupt level
ipr[idx] = val & 0x1f;
- xc->getCpuPtr()->kernelStats->swpipl(ipr[idx]);
+ if (tc->getKernelStats())
+ tc->getKernelStats()->swpipl(ipr[idx]);
break;
case AlphaISA::IPR_DTB_CM:
- if (val & 0x18)
- xc->getCpuPtr()->kernelStats->mode(Kernel::user, xc);
- else
- xc->getCpuPtr()->kernelStats->mode(Kernel::kernel, xc);
+ if (val & 0x18) {
+ if (tc->getKernelStats())
+ tc->getKernelStats()->mode(Kernel::user, tc);
+ } else {
+ if (tc->getKernelStats())
+ tc->getKernelStats()->mode(Kernel::kernel, tc);
+ }
case AlphaISA::IPR_ICM:
// only write two mode bits - processor mode
@@ -443,21 +452,21 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
// really a control write
ipr[idx] = 0;
- xc->getDTBPtr()->flushAll();
+ tc->getDTBPtr()->flushAll();
break;
case AlphaISA::IPR_DTB_IAP:
// really a control write
ipr[idx] = 0;
- xc->getDTBPtr()->flushProcesses();
+ tc->getDTBPtr()->flushProcesses();
break;
case AlphaISA::IPR_DTB_IS:
// really a control write
ipr[idx] = val;
- xc->getDTBPtr()->flushAddr(val,
+ tc->getDTBPtr()->flushAddr(val,
DTB_ASN_ASN(ipr[AlphaISA::IPR_DTB_ASN]));
break;
@@ -481,7 +490,7 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
pte.asn = DTB_ASN_ASN(ipr[AlphaISA::IPR_DTB_ASN]);
// insert new TAG/PTE value into data TLB
- xc->getDTBPtr()->insert(val, pte);
+ tc->getDTBPtr()->insert(val, pte);
}
break;
@@ -505,7 +514,7 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
pte.asn = ITB_ASN_ASN(ipr[AlphaISA::IPR_ITB_ASN]);
// insert new TAG/PTE value into data TLB
- xc->getITBPtr()->insert(ipr[AlphaISA::IPR_ITB_TAG], pte);
+ tc->getITBPtr()->insert(ipr[AlphaISA::IPR_ITB_TAG], pte);
}
break;
@@ -513,21 +522,21 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
// really a control write
ipr[idx] = 0;
- xc->getITBPtr()->flushAll();
+ tc->getITBPtr()->flushAll();
break;
case AlphaISA::IPR_ITB_IAP:
// really a control write
ipr[idx] = 0;
- xc->getITBPtr()->flushProcesses();
+ tc->getITBPtr()->flushProcesses();
break;
case AlphaISA::IPR_ITB_IS:
// really a control write
ipr[idx] = val;
- xc->getITBPtr()->flushAddr(val,
+ tc->getITBPtr()->flushAddr(val,
ITB_ASN_ASN(ipr[AlphaISA::IPR_ITB_ASN]));
break;
@@ -541,7 +550,7 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
}
void
-AlphaISA::copyIprs(ExecContext *src, ExecContext *dest)
+AlphaISA::copyIprs(ThreadContext *src, ThreadContext *dest)
{
for (int i = IPR_Base_DepTag; i < NumInternalProcRegs; ++i) {
dest->setMiscReg(i, src->readMiscReg(i));
@@ -553,15 +562,16 @@ AlphaISA::copyIprs(ExecContext *src, ExecContext *dest)
* If return value is false, actual PAL call will be suppressed.
*/
bool
-CPUExecContext::simPalCheck(int palFunc)
+SimpleThread::simPalCheck(int palFunc)
{
- cpu->kernelStats->callpal(palFunc, proxy);
+ if (kernelStats)
+ kernelStats->callpal(palFunc, tc);
switch (palFunc) {
case PAL::halt:
halt();
if (--System::numSystemsRunning == 0)
- new SimExitEvent("all cpus halted");
+ exitSimLoop("all cpus halted");
break;
case PAL::bpt:
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-22 13:37:45 +0000