diff options
Diffstat (limited to 'src/arch/arm')
-rw-r--r-- | src/arch/arm/ArmTLB.py | 19 | ||||
-rw-r--r-- | src/arch/arm/tlb.cc | 85 | ||||
-rw-r--r-- | src/arch/arm/tlb.hh | 39 |
3 files changed, 17 insertions, 126 deletions
diff --git a/src/arch/arm/ArmTLB.py b/src/arch/arm/ArmTLB.py index fa9faaddf..3dd2560fe 100644 --- a/src/arch/arm/ArmTLB.py +++ b/src/arch/arm/ArmTLB.py @@ -32,23 +32,6 @@ from m5.SimObject import SimObject from m5.params import * class ArmTLB(SimObject): - abstract = True type = 'ArmTLB' cxx_class = 'ArmISA::TLB' - size = Param.Int("TLB size") - -class ArmDTB(ArmTLB): - type = 'ArmDTB' - cxx_class = 'ArmISA::DTB' - size = 64 - -class ArmITB(ArmTLB): - type = 'ArmITB' - cxx_class = 'ArmISA::ITB' - size = 64 - -class ArmUTB(ArmTLB): - type = 'ArmUTB' - cxx_class = 'ArmISA::UTB' - size = 64 - + size = Param.Int(64, "TLB size") diff --git a/src/arch/arm/tlb.cc b/src/arch/arm/tlb.cc index 78eebddfe..8cce5c152 100644 --- a/src/arch/arm/tlb.cc +++ b/src/arch/arm/tlb.cc @@ -36,20 +36,17 @@ #include <string> #include <vector> +#include "arch/arm/faults.hh" #include "arch/arm/pagetable.hh" #include "arch/arm/tlb.hh" -#include "arch/arm/faults.hh" #include "arch/arm/utility.hh" #include "base/inifile.hh" #include "base/str.hh" #include "base/trace.hh" #include "cpu/thread_context.hh" -#include "sim/process.hh" #include "mem/page_table.hh" -#include "params/ArmDTB.hh" -#include "params/ArmITB.hh" #include "params/ArmTLB.hh" -#include "params/ArmUTB.hh" +#include "sim/process.hh" using namespace std; @@ -279,7 +276,7 @@ TLB::regStats() } Fault -ITB::translateAtomic(RequestPtr req, ThreadContext *tc) +TLB::translateAtomic(RequestPtr req, ThreadContext *tc, Mode mode) { #if !FULL_SYSTEM Process * p = tc->getProcessPtr(); @@ -290,68 +287,18 @@ ITB::translateAtomic(RequestPtr req, ThreadContext *tc) return NoFault; #else - fatal("ITB translate not yet implemented\n"); + fatal("translate atomic not yet implemented\n"); #endif } void -ITB::translateTiming(RequestPtr req, ThreadContext *tc, - Translation *translation) +TLB::translateTiming(RequestPtr req, ThreadContext *tc, + Translation *translation, Mode mode) { assert(translation); - translation->finish(translateAtomic(req, tc), req, tc, false); -} - - -Fault -DTB::translateAtomic(RequestPtr req, ThreadContext *tc, bool write) -{ -#if !FULL_SYSTEM - Process * p = tc->getProcessPtr(); - - Fault fault = p->pTable->translate(req); - if(fault != NoFault) - return fault; - - return NoFault; -#else - fatal("DTB translate not yet implemented\n"); -#endif + translation->finish(translateAtomic(req, tc, mode), req, tc, mode); } -void -DTB::translateTiming(RequestPtr req, ThreadContext *tc, - Translation *translation, bool write) -{ - assert(translation); - translation->finish(translateAtomic(req, tc, write), req, tc, write); -} - -/////////////////////////////////////////////////////////////////////// -// -// Arm ITB -// -ITB::ITB(const Params *p) - : TLB(p) -{} - - -/////////////////////////////////////////////////////////////////////// -// -// Arm DTB -// -DTB::DTB(const Params *p) - : TLB(p) -{} - -/////////////////////////////////////////////////////////////////////// -// -// Arm UTB -// -UTB::UTB(const Params *p) - : ITB(p), DTB(p) -{} - ArmISA::PTE & TLB::index(bool advance) { @@ -363,20 +310,8 @@ TLB::index(bool advance) return *pte; } -ArmISA::ITB * -ArmITBParams::create() -{ - return new ArmISA::ITB(this); -} - -ArmISA::DTB * -ArmDTBParams::create() -{ - return new ArmISA::DTB(this); -} - -ArmISA::UTB * -ArmUTBParams::create() +ArmISA::TLB * +ArmTLBParams::create() { - return new ArmISA::UTB(this); + return new ArmISA::TLB(this); } diff --git a/src/arch/arm/tlb.hh b/src/arch/arm/tlb.hh index fea317ef3..d2c035b31 100644 --- a/src/arch/arm/tlb.hh +++ b/src/arch/arm/tlb.hh @@ -43,8 +43,7 @@ #include "arch/arm/pagetable.hh" #include "base/statistics.hh" #include "mem/request.hh" -#include "params/ArmDTB.hh" -#include "params/ArmITB.hh" +#include "params/ArmTLB.hh" #include "sim/faults.hh" #include "sim/tlb.hh" @@ -135,6 +134,10 @@ class TLB : public BaseTLB static Fault checkCacheability(RequestPtr &req); + Fault translateAtomic(RequestPtr req, ThreadContext *tc, Mode mode); + void translateTiming(RequestPtr req, ThreadContext *tc, + Translation *translation, Mode mode); + // Checkpointing void serialize(std::ostream &os); void unserialize(Checkpoint *cp, const std::string §ion); @@ -142,36 +145,6 @@ class TLB : public BaseTLB void regStats(); }; -class ITB : public TLB -{ - public: - typedef ArmTLBParams Params; - ITB(const Params *p); - - Fault translateAtomic(RequestPtr req, ThreadContext *tc); - void translateTiming(RequestPtr req, ThreadContext *tc, - Translation *translation); -}; - -class DTB : public TLB -{ - public: - typedef ArmTLBParams Params; - DTB(const Params *p); - - Fault translateAtomic(RequestPtr req, ThreadContext *tc, bool write); - void translateTiming(RequestPtr req, ThreadContext *tc, - Translation *translation, bool write); -}; - -class UTB : public ITB, public DTB -{ - public: - typedef ArmTLBParams Params; - UTB(const Params *p); - -}; - -} +/* namespace ArmISA */ } #endif // __ARCH_ARM_TLB_HH__ |