etiss::mm Namespace Reference

Classes
class	DMMUWrapper
struct	DMMUWrapperSystem
class	MMU
class	PTE
	Page Table Entry (PTE) defines the composition of Page Frame Number (PFN) and relavant flags. More...
class	PTEFormat
class	PTEFormatBuilder
	Sigleton builder utility to build up customized PTE format. More...
class	TLB

Typedefs
typedef int32_t(*	handler_ptr) (int32_t fault, MMU *mmu, uint64_t vma, MM_ACCESS access)
typedef std::map< std::string, std::pair< uint32_t, uint32_t > >	PTEFormatMap
	Singleton to represent specific PTE format, every PTE uses this singleton to parse raw PTE value into PPN and protection flags, read/write PPN or flags. More...

Enumerations
enum	MM_ACCESS { R_ACCESS , W_ACCESS , X_ACCESS }

Functions
int32_t	tlb_miss_handler (int32_t fault, MMU *mmu, uint64_t vma, MM_ACCESS access)
void	DUMP_MMU (MMU *mmu)
static etiss_int32	iread (void *handle, ETISS_CPU *cpu, etiss_uint64 addr, etiss_uint32 length)
static etiss_int32	iwrite (void *handle, ETISS_CPU *cpu, etiss_uint64 addr, etiss_uint8 *buffer, etiss_uint32 length)
static etiss_int32	dread (void *handle, ETISS_CPU *cpu, etiss_uint64 addr, etiss_uint8 *buffer, etiss_uint32 length)
static etiss_int32	dwrite (void *handle, ETISS_CPU *cpu, etiss_uint64 addr, etiss_uint8 *buffer, etiss_uint32 length)
static etiss_int32	dbg_read (void *handle, etiss_uint64 addr, etiss_uint8 *buffer, etiss_uint32 length)
static etiss_int32	dbg_write (void *handle, etiss_uint64 addr, etiss_uint8 *buffer, etiss_uint32 length)
static void	syncTime (void *handle, ETISS_CPU *cpu)
static int32_t	page_fault_ni_ (int32_t fault, MMU *mmu, uint64_t, MM_ACCESS)

Variables
MM_EXPORT const int32_t	NOERROR
MM_EXPORT const int32_t	PTEOVERLAP
MM_EXPORT const int32_t	TLBMISS
MM_EXPORT const int32_t	PTENOTEXISTED
MM_EXPORT const int32_t	TLBISFULL
MM_EXPORT const int32_t	PROTECTIONVIALATION
MM_EXPORT std::string	PAGE_FAULT_MSG []
MM_EXPORT handler_ptr	page_fault_handler []

Typedef Documentation

handler_ptr

typedef int32_t(* etiss::mm::handler_ptr) (int32_t fault, MMU *mmu, uint64_t vma, MM_ACCESS access)

Definition at line 72 of file PageFaultVector.h.

PTEFormatMap

typedef std::map<std::string, std::pair<uint32_t, uint32_t> > etiss::mm::PTEFormatMap

Singleton to represent specific PTE format, every PTE uses this singleton to parse raw PTE value into PPN and protection flags, read/write PPN or flags.

Definition at line 62 of file PTEFormat.h.

Enumeration Type Documentation

MM_ACCESS

enum etiss::mm::MM_ACCESS

Enumerator
R_ACCESS
W_ACCESS
X_ACCESS

Definition at line 62 of file PageFaultVector.h.

Function Documentation

dbg_read()

static etiss_int32 etiss::mm::dbg_read ( void *  handle, etiss_uint64  addr, etiss_uint8 *  buffer, etiss_uint32  length  )

static

Definition at line 131 of file DMMUWrapper.cpp.

References ETISS_System::dbg_read, ETISS_System::handle, int32_t, length(), etiss::mm::DMMUWrapperSystem::orig, etiss::mm::DMMUWrapperSystem::this_, uint64_t, unlikely, and X_ACCESS.

Referenced by etiss::mm::DMMUWrapper::wrap().

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dbg_write()

static etiss_int32 etiss::mm::dbg_write ( void *  handle, etiss_uint64  addr, etiss_uint8 *  buffer, etiss_uint32  length  )

static

Definition at line 147 of file DMMUWrapper.cpp.

References ETISS_System::dbg_write, ETISS_System::handle, int32_t, length(), etiss::log(), etiss::mm::DMMUWrapperSystem::orig, etiss::mm::DMMUWrapperSystem::this_, uint64_t, unlikely, etiss::VERBOSE, and W_ACCESS.

Referenced by etiss::mm::DMMUWrapper::wrap().

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dread()

static etiss_int32 etiss::mm::dread ( void *  handle, ETISS_CPU *  cpu, etiss_uint64  addr, etiss_uint8 *  buffer, etiss_uint32  length  )

static

Definition at line 97 of file DMMUWrapper.cpp.

References ETISS_System::dread, ETISS_System::handle, int32_t, length(), etiss::mm::DMMUWrapperSystem::orig, R_ACCESS, etiss::mm::DMMUWrapperSystem::this_, uint64_t, and unlikely.

Referenced by etiss::mm::DMMUWrapper::wrap().

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DUMP_MMU()

void etiss::mm::DUMP_MMU

(

MMU *

mmu

)

Definition at line 244 of file MMU.cpp.

References etiss::mm::MMU::Dump().

Referenced by page_fault_ni_().

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dwrite()

static etiss_int32 etiss::mm::dwrite ( void *  handle, ETISS_CPU *  cpu, etiss_uint64  addr, etiss_uint8 *  buffer, etiss_uint32  length  )

static

Definition at line 114 of file DMMUWrapper.cpp.

References ETISS_System::dwrite, ETISS_System::handle, int32_t, length(), etiss::mm::DMMUWrapperSystem::orig, etiss::mm::DMMUWrapperSystem::this_, uint64_t, unlikely, and W_ACCESS.

Referenced by etiss::mm::DMMUWrapper::wrap().

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iread()

static etiss_int32 etiss::mm::iread ( void *  handle, ETISS_CPU *  cpu, etiss_uint64  addr, etiss_uint32  length  )

static

Definition at line 59 of file DMMUWrapper.cpp.

References ETISS_System::handle, int32_t, ETISS_System::iread, length(), etiss::log(), etiss::mm::DMMUWrapperSystem::orig, R_ACCESS, etiss::mm::DMMUWrapperSystem::this_, uint64_t, unlikely, and etiss::VERBOSE.

Referenced by etiss::mm::DMMUWrapper::wrap().

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iwrite()

static etiss_int32 etiss::mm::iwrite ( void *  handle, ETISS_CPU *  cpu, etiss_uint64  addr, etiss_uint8 *  buffer, etiss_uint32  length  )

static

Definition at line 78 of file DMMUWrapper.cpp.

References ETISS_System::handle, int32_t, ETISS_System::iwrite, length(), etiss::log(), etiss::mm::DMMUWrapperSystem::orig, etiss::mm::DMMUWrapperSystem::this_, uint64_t, unlikely, etiss::VERBOSE, and W_ACCESS.

Referenced by etiss::mm::DMMUWrapper::wrap().

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page_fault_ni_()

static int32_t etiss::mm::page_fault_ni_ ( int32_t  fault, MMU *  mmu, uint64_t  , MM_ACCESS    )

static

Definition at line 71 of file PageFaultVector.cpp.

References DUMP_MMU(), etiss::FATALERROR, etiss::log(), NOERROR, and PAGE_FAULT_MSG.

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syncTime()

static void etiss::mm::syncTime ( void *  handle, ETISS_CPU *  cpu  )

static

Definition at line 166 of file DMMUWrapper.cpp.

References ETISS_System::handle, etiss::mm::DMMUWrapperSystem::orig, and ETISS_System::syncTime.

Referenced by etiss::mm::DMMUWrapper::wrap().

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tlb_miss_handler()

int32_t etiss::mm::tlb_miss_handler	(	int32_t	fault,
		MMU *	mmu,
		uint64_t	vma,
		MM_ACCESS	access
	)

Definition at line 221 of file MMU.cpp.

References etiss::mm::MMU::HasPageTableWalker(), int32_t, NOERROR, R_ACCESS, W_ACCESS, etiss::mm::MMU::WalkPageTable(), and X_ACCESS.

Referenced by etiss::mm::MMU::MMU().

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Variable Documentation

NOERROR

MM_EXPORT const int32_t etiss::mm::NOERROR

extern

Referenced by etiss::mm::TLB< EntryNum >::AddPTE(), etiss::mm::MMU::AddTLBEntry(), etiss::SimpleMemSystem::dbus_access(), etiss_CPUCore_handleException(), etiss::mm::TLB< EntryNum >::EvictPTE(), etiss::plugin::errorInjection::BlockAccurateHandler::execute(), etiss::InterruptHandler::execute(), TracePrinter::execute(), etiss::CPUCore::execute(), etiss::plugin::gdb::Server::handlePacket(), etiss::SimpleMemSystem::iread(), etiss::plugin::fault::SwitchSystem::iread(), etiss::mm::TLB< EntryNum >::Lookup(), main(), page_fault_ni_(), etiss::plugin::gdb::Server::postMemAccessCallback(), etiss::plugin::gdb::Server::preInstructionCallback(), etiss::interfaces::Delegate::read(), tlb_miss_handler(), etiss::interfaces::SimpleInstructionInjector< T >::toFunction(), etiss::mm::MMU::Translate(), etiss::Translation::translateBlock(), etiss::interfaces::WishboneBus< BOOLSIG, VECTORSIG, instrBus, flipEndianess, bytewidth, VECTORSIGSTORAGETYPE >::update(), etiss::mm::TLB< EntryNum >::UpdatePTE(), and etiss::interfaces::Delegate::write().

page_fault_handler

handler_ptr etiss::mm::page_fault_handler

Initial value:

= {
    page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_,
    page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_,
    page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_, page_fault_ni_,
}

Definition at line 84 of file PageFaultVector.cpp.

PAGE_FAULT_MSG

std::string etiss::mm::PAGE_FAULT_MSG

Initial value:

= {
    "no error occurs",
    "page table entry already existed",
    "TLB miss",
    "evict a non-existed PTE",
    "TLB is already full",
    "TLB is already full"
}

Definition at line 62 of file PageFaultVector.cpp.

Referenced by page_fault_ni_().

PROTECTIONVIALATION

MM_EXPORT const int32_t etiss::mm::PROTECTIONVIALATION

extern

PTENOTEXISTED

MM_EXPORT const int32_t etiss::mm::PTENOTEXISTED

extern

Referenced by etiss::mm::TLB< EntryNum >::EvictPTE(), and etiss::mm::TLB< EntryNum >::UpdatePTE().

PTEOVERLAP

MM_EXPORT const int32_t etiss::mm::PTEOVERLAP

extern

Referenced by etiss::mm::TLB< EntryNum >::AddPTE(), and etiss::mm::MMU::AddTLBEntryMap().

TLBISFULL

MM_EXPORT const int32_t etiss::mm::TLBISFULL

extern

Referenced by etiss::mm::TLB< EntryNum >::AddPTE().

TLBMISS

MM_EXPORT const int32_t etiss::mm::TLBMISS

extern

Referenced by etiss::mm::TLB< EntryNum >::Lookup(), and etiss::mm::MMU::MMU().