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-rw-r--r--src/arch/arm/system.cc47
-rw-r--r--src/arch/arm/system.hh8
2 files changed, 25 insertions, 30 deletions
diff --git a/src/arch/arm/system.cc b/src/arch/arm/system.cc
index 50d0af909..1fe706079 100644
--- a/src/arch/arm/system.cc
+++ b/src/arch/arm/system.cc
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2010, 2012-2013, 2015 ARM Limited
+ * Copyright (c) 2010, 2012-2013, 2015,2017 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
@@ -169,15 +169,18 @@ ArmSystem::initState()
}
}
-bool
-ArmSystem::haveSecurity(ThreadContext *tc)
+ArmSystem*
+ArmSystem::getArmSystem(ThreadContext *tc)
{
- if (!FullSystem)
- return false;
-
ArmSystem *a_sys = dynamic_cast<ArmSystem *>(tc->getSystemPtr());
assert(a_sys);
- return a_sys->haveSecurity();
+ return a_sys;
+}
+
+bool
+ArmSystem::haveSecurity(ThreadContext *tc)
+{
+ return FullSystem? getArmSystem(tc)->haveSecurity() : false;
}
@@ -201,63 +204,49 @@ ArmSystem::getBootLoader(ObjectFile *const obj)
bool
ArmSystem::haveLPAE(ThreadContext *tc)
{
- if (!FullSystem)
- return false;
-
- ArmSystem *a_sys = dynamic_cast<ArmSystem *>(tc->getSystemPtr());
- assert(a_sys);
- return a_sys->haveLPAE();
+ return FullSystem? getArmSystem(tc)->haveLPAE() : false;
}
bool
ArmSystem::haveVirtualization(ThreadContext *tc)
{
- if (!FullSystem)
- return false;
-
- ArmSystem *a_sys = dynamic_cast<ArmSystem *>(tc->getSystemPtr());
- assert(a_sys);
- return a_sys->haveVirtualization();
+ return FullSystem? getArmSystem(tc)->haveVirtualization() : false;
}
bool
ArmSystem::highestELIs64(ThreadContext *tc)
{
- return FullSystem ?
- dynamic_cast<ArmSystem *>(tc->getSystemPtr())->highestELIs64() :
- true;
+ return FullSystem? getArmSystem(tc)->highestELIs64() : true;
}
ExceptionLevel
ArmSystem::highestEL(ThreadContext *tc)
{
- return FullSystem ?
- dynamic_cast<ArmSystem *>(tc->getSystemPtr())->highestEL() :
- EL1;
+ return FullSystem? getArmSystem(tc)->highestEL() : EL1;
}
Addr
ArmSystem::resetAddr64(ThreadContext *tc)
{
- return dynamic_cast<ArmSystem *>(tc->getSystemPtr())->resetAddr64();
+ return getArmSystem(tc)->resetAddr64();
}
uint8_t
ArmSystem::physAddrRange(ThreadContext *tc)
{
- return dynamic_cast<ArmSystem *>(tc->getSystemPtr())->physAddrRange();
+ return getArmSystem(tc)->physAddrRange();
}
Addr
ArmSystem::physAddrMask(ThreadContext *tc)
{
- return dynamic_cast<ArmSystem *>(tc->getSystemPtr())->physAddrMask();
+ return getArmSystem(tc)->physAddrMask();
}
bool
ArmSystem::haveLargeAsid64(ThreadContext *tc)
{
- return dynamic_cast<ArmSystem *>(tc->getSystemPtr())->haveLargeAsid64();
+ return getArmSystem(tc)->haveLargeAsid64();
}
ArmSystem *
diff --git a/src/arch/arm/system.hh b/src/arch/arm/system.hh
index 97769337a..b81ec05f9 100644
--- a/src/arch/arm/system.hh
+++ b/src/arch/arm/system.hh
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2010, 2012-2013, 2015-2016 ARM Limited
+ * Copyright (c) 2010, 2012-2013, 2015-2017 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
@@ -228,6 +228,12 @@ class ArmSystem : public System
*/
const AddrRange &m5opRange() const { return _m5opRange; }
+ /**
+ * Returns a valid ArmSystem pointer if using ARM ISA, it fails
+ * otherwise.
+ */
+ static ArmSystem* getArmSystem(ThreadContext *tc);
+
/** Returns true if the system of a specific thread context implements the
* Security Extensions
*/