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.

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 34 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 26 of file PTEFormat.h.

Enumeration Type Documentation

◆ MM_ACCESS

enum etiss::mm::MM_ACCESS

Enumerator
R_ACCESS
W_ACCESS
X_ACCESS

Definition at line 24 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 95 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 111 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 61 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 209 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 78 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 23 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 42 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 33 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 130 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 186 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::TLB< EntryNum >::AddPTE(), etiss::mm::MMU::AddTLBEntry(), etiss::mm::TLB< EntryNum >::EvictPTE(), etiss::mm::TLB< EntryNum >::Lookup(), page_fault_ni_(), tlb_miss_handler(), etiss::mm::MMU::Translate(), and etiss::mm::TLB< EntryNum >::UpdatePTE().

◆ 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 46 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 26 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(), 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(), and 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().

Classes

Typedefs

Enumerations

Functions

Variables

Typedef Documentation

◆ handler_ptr

◆ PTEFormatMap

Enumeration Type Documentation

◆ MM_ACCESS

Function Documentation

◆ dbg_read()

◆ dbg_write()

◆ dread()

◆ DUMP_MMU()

◆ dwrite()

◆ iread()

◆ iwrite()

◆ page_fault_ni_()

◆ syncTime()

◆ tlb_miss_handler()

Variable Documentation

◆ NOERROR

◆ page_fault_handler

◆ PAGE_FAULT_MSG

◆ PROTECTIONVIALATION

◆ PTENOTEXISTED

◆ PTEOVERLAP

◆ TLBISFULL

◆ TLBMISS