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authorAli Saidi <saidi@eecs.umich.edu>2006-06-27 14:59:38 -0400
committerAli Saidi <saidi@eecs.umich.edu>2006-06-27 14:59:38 -0400
commit07cd37c48b018679553e6b12a5591c5759f433d6 (patch)
tree129a50d2fb465ea88ac8fb6b1d774dda04341ab3
parent88c9b17cb927e5b789d883023db9516f878f526a (diff)
downloadgem5-07cd37c48b018679553e6b12a5591c5759f433d6.tar.xz
Make full CPU handle SE faults
--HG-- extra : convert_revision : e336623ac3329ec0ee2430548c6a9650e2a69d6a
-rw-r--r--src/arch/alpha/faults.cc4
-rw-r--r--src/cpu/o3/alpha_cpu.hh4
-rw-r--r--src/cpu/o3/alpha_cpu_impl.hh16
-rw-r--r--src/cpu/o3/commit_impl.hh5
-rw-r--r--src/cpu/o3/fetch.hh2
-rw-r--r--src/cpu/o3/lsq_unit.hh2
6 files changed, 15 insertions, 18 deletions
diff --git a/src/arch/alpha/faults.cc b/src/arch/alpha/faults.cc
index 06765768a..eef4361fd 100644
--- a/src/arch/alpha/faults.cc
+++ b/src/arch/alpha/faults.cc
@@ -194,11 +194,13 @@ void PageTableFault::invoke(ThreadContext *tc)
// We've accessed the next page
if (vaddr > p->stack_min - PageBytes) {
+ warn("Increasing stack %#x:%#x to %#x:%#x because of access to %#x",
+ p->stack_min, p->stack_base, p->stack_min - PageBytes,
+ p->stack_base, vaddr);
p->stack_min -= PageBytes;
if (p->stack_base - p->stack_min > 8*1024*1024)
fatal("Over max stack size for one thread\n");
p->pTable->allocate(p->stack_min, PageBytes);
- warn("Increasing stack size by one page.");
} else {
FaultBase::invoke(tc);
}
diff --git a/src/cpu/o3/alpha_cpu.hh b/src/cpu/o3/alpha_cpu.hh
index 55b975142..d7f3d5801 100644
--- a/src/cpu/o3/alpha_cpu.hh
+++ b/src/cpu/o3/alpha_cpu.hh
@@ -384,8 +384,6 @@ class AlphaO3CPU : public FullO3CPU<Impl>
bool inPalMode(uint64_t PC)
{ return AlphaISA::PcPAL(PC); }
- /** Traps to handle given fault. */
- void trap(Fault fault, unsigned tid);
bool simPalCheck(int palFunc, unsigned tid);
/** Processes any interrupts. */
@@ -395,6 +393,8 @@ class AlphaO3CPU : public FullO3CPU<Impl>
void halt() { panic("Halt not implemented!\n"); }
#endif
+ /** Traps to handle given fault. */
+ void trap(Fault fault, unsigned tid);
#if !FULL_SYSTEM
/** Executes a syscall.
diff --git a/src/cpu/o3/alpha_cpu_impl.hh b/src/cpu/o3/alpha_cpu_impl.hh
index 532611fb6..eca6fbbcb 100644
--- a/src/cpu/o3/alpha_cpu_impl.hh
+++ b/src/cpu/o3/alpha_cpu_impl.hh
@@ -755,14 +755,6 @@ AlphaO3CPU<Impl>::simPalCheck(int palFunc, unsigned tid)
template <class Impl>
void
-AlphaO3CPU<Impl>::trap(Fault fault, unsigned tid)
-{
- // Pass the thread's TC into the invoke method.
- fault->invoke(this->threadContexts[tid]);
-}
-
-template <class Impl>
-void
AlphaO3CPU<Impl>::processInterrupts()
{
// Check for interrupts here. For now can copy the code that
@@ -823,6 +815,14 @@ AlphaO3CPU<Impl>::processInterrupts()
#endif // FULL_SYSTEM
+template <class Impl>
+void
+AlphaO3CPU<Impl>::trap(Fault fault, unsigned tid)
+{
+ // Pass the thread's TC into the invoke method.
+ fault->invoke(this->threadContexts[tid]);
+}
+
#if !FULL_SYSTEM
template <class Impl>
diff --git a/src/cpu/o3/commit_impl.hh b/src/cpu/o3/commit_impl.hh
index 176f83246..cd7dd47d4 100644
--- a/src/cpu/o3/commit_impl.hh
+++ b/src/cpu/o3/commit_impl.hh
@@ -991,7 +991,6 @@ DefaultCommit<Impl>::commitHead(DynInstPtr &head_inst, unsigned inst_num)
if (inst_fault != NoFault) {
head_inst->setCompleted();
-#if FULL_SYSTEM
DPRINTF(Commit, "Inst [sn:%lli] PC %#x has a fault\n",
head_inst->seqNum, head_inst->readPC());
@@ -1035,10 +1034,6 @@ DefaultCommit<Impl>::commitHead(DynInstPtr &head_inst, unsigned inst_num)
generateTrapEvent(tid);
return false;
-#else // !FULL_SYSTEM
- panic("fault (%d) detected @ PC %08p", inst_fault,
- head_inst->PC);
-#endif // FULL_SYSTEM
}
updateComInstStats(head_inst);
diff --git a/src/cpu/o3/fetch.hh b/src/cpu/o3/fetch.hh
index 790c28f09..7fcd21b7d 100644
--- a/src/cpu/o3/fetch.hh
+++ b/src/cpu/o3/fetch.hh
@@ -36,7 +36,7 @@
#include "base/statistics.hh"
#include "base/timebuf.hh"
#include "cpu/pc_event.hh"
-#include "mem/packet.hh"
+#include "mem/packet_impl.hh"
#include "mem/port.hh"
#include "sim/eventq.hh"
diff --git a/src/cpu/o3/lsq_unit.hh b/src/cpu/o3/lsq_unit.hh
index 9b67e61f2..74b8fe5bb 100644
--- a/src/cpu/o3/lsq_unit.hh
+++ b/src/cpu/o3/lsq_unit.hh
@@ -40,7 +40,7 @@
#include "config/full_system.hh"
#include "base/hashmap.hh"
#include "cpu/inst_seq.hh"
-#include "mem/packet.hh"
+#include "mem/packet_impl.hh"
#include "mem/port.hh"
/**