Jason Lowe-Power has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/52504 )
Change subject: arch-arm,arch-sparc: Remove legacy stat for faults
......................................................................
arch-arm,arch-sparc: Remove legacy stat for faults
This is a legacy stat that was not easy to tie to a Stats::Group.
In ARM, this stat wasn't actually counting all faults, it was only
counting the faults that occured in 32-bit mode, so it's probably safe
to remove the stat (it was wrong anyway). For SPARC, it's also unlikely
anyone is depending on this stat for their research.
Change-Id: Ic6c60526ea51467627535d732258c50ce0d2c03b
Signed-off-by: Jason Lowe-Power <ja...@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/52504
Reviewed-by: Gabe Black <gabe.bl...@gmail.com>
Reviewed-by: Giacomo Travaglini <giacomo.travagl...@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travagl...@arm.com>
Tested-by: kokoro <noreply+kok...@google.com>
---
M src/arch/sparc/faults.cc
M src/arch/sparc/faults.hh
M src/arch/arm/faults.cc
M src/arch/arm/faults.hh
4 files changed, 22 insertions(+), 8 deletions(-)
Approvals:
Giacomo Travaglini: Looks good to me, approved; Looks good to me, approved
Gabe Black: Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/arch/arm/faults.cc b/src/arch/arm/faults.cc
index 64a07cb..e340d07 100644
--- a/src/arch/arm/faults.cc
+++ b/src/arch/arm/faults.cc
@@ -524,7 +524,6 @@
FaultBase::invoke(tc);
if (!FullSystem)
return;
- countStat()++;
SCTLR sctlr = tc->readMiscReg(MISCREG_SCTLR);
SCR scr = tc->readMiscReg(MISCREG_SCR);
diff --git a/src/arch/arm/faults.hh b/src/arch/arm/faults.hh
index 139d477..688faad 100644
--- a/src/arch/arm/faults.hh
+++ b/src/arch/arm/faults.hh
@@ -193,7 +193,6 @@
// (exceptions taken in HYP mode or in AArch64 state)
const ExceptionClass ec;
- FaultStat count;
FaultVals(const FaultName& name_, const FaultOffset& offset_,
const uint16_t& currELTOffset_, const uint16_t&
currELHOffset_,
const uint16_t& lowerEL64Offset_,
@@ -237,7 +236,6 @@
ArmStaticInst *instrAnnotate(const StaticInstPtr &inst);
virtual void annotate(AnnotationIDs id, uint64_t val) {}
- virtual FaultStat& countStat() = 0;
virtual FaultOffset offset(ThreadContext *tc) = 0;
virtual FaultOffset offset64(ThreadContext *tc) = 0;
virtual OperatingMode nextMode() = 0;
@@ -269,7 +267,6 @@
ArmFaultVals<T>(ExtMachInst _machInst = 0, uint32_t _iss = 0) :
ArmFault(_machInst, _iss) {}
FaultName name() const override { return vals.name; }
- FaultStat & countStat() override { return vals.count; }
FaultOffset offset(ThreadContext *tc) override;
FaultOffset offset64(ThreadContext *tc) override;
diff --git a/src/arch/sparc/faults.cc b/src/arch/sparc/faults.cc
index ec7386f..421befa 100644
--- a/src/arch/sparc/faults.cc
+++ b/src/arch/sparc/faults.cc
@@ -503,7 +503,6 @@
if (!FullSystem)
return;
- countStat()++;
// We can refer to this to see what the trap level -was-, but something
// in the middle could change it in the regfile out from under us.
diff --git a/src/arch/sparc/faults.hh b/src/arch/sparc/faults.hh
index df09dc4..a5fb503 100644
--- a/src/arch/sparc/faults.hh
+++ b/src/arch/sparc/faults.hh
@@ -65,7 +65,6 @@
const TrapType trapType;
const FaultPriority priority;
const PrivilegeLevelSpec nextPrivilegeLevel;
- FaultStat count;
FaultVals(const FaultName& name_, const TrapType& trapType_,
const FaultPriority& priority_, const PrivilegeLevelSpec&
il)
: name(name_), trapType(trapType_), priority(priority_),
@@ -76,7 +75,6 @@
nullStaticInstPtr);
virtual TrapType trapType() = 0;
virtual FaultPriority priority() = 0;
- virtual FaultStat & countStat() = 0;
virtual PrivilegeLevel getNextLevel(PrivilegeLevel current) = 0;
};
@@ -89,7 +87,6 @@
FaultName name() const { return vals.name; }
TrapType trapType() { return vals.trapType; }
FaultPriority priority() { return vals.priority; }
- FaultStat & countStat() { return vals.count; }
PrivilegeLevel
getNextLevel(PrivilegeLevel current)
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ic6c60526ea51467627535d732258c50ce0d2c03b
Gerrit-Change-Number: 52504
Gerrit-PatchSet: 2
Gerrit-Owner: Jason Lowe-Power <power...@gmail.com>
Gerrit-Reviewer: Andreas Sandberg <andreas.sandb...@arm.com>
Gerrit-Reviewer: Gabe Black <gabe.bl...@gmail.com>
Gerrit-Reviewer: Giacomo Travaglini <giacomo.travagl...@arm.com>
Gerrit-Reviewer: Jason Lowe-Power <power...@gmail.com>
Gerrit-Reviewer: kokoro <noreply+kok...@google.com>
Gerrit-MessageType: merged
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