targimpl.c File Reference

#include "targimpl.h"
#include "metrotrk.h"

Data Structures
struct	TRKExceptionStatus
struct	TRKStepStatus

Macros
#define	BOOTINFO   0x80000000
#define	MEM2_CACHED   0x90000000
#define	DB_EXCEPTION_MASK   0x44
#define	INSTR_NOP   0x60000000
	Instruction macros.
#define	INSTR_BLR   0x4E800020
#define	INSTR_PSQ_ST(psr, offset, rDest, w, gqr)
#define	INSTR_PSQ_L(psr, offset, rSrc, w, gqr)
#define	INSTR_STW(rSrc, offset, rDest)
#define	INSTR_LWZ(rDest, offset, rSrc)
#define	INSTR_STFD(fprSrc, offset, rDest)
#define	INSTR_LFD(fprDest, offset, rSrc)
#define	INSTR_MFSPR(rDest, spr)
#define	INSTR_MTSPR(spr, rSrc)
#define	ALTIVEC_VECTOR_REG_ACCESS_MIN   0
#define	ALTIVEC_VECTOR_REG_ACCESS_MAX   31
#define	ALTIVEC_VSCR_ACCESS   32
#define	ALTIVEC_VRSAVE_SPR_ACCESS   33
#define	SUPPORT_TRAP   0x0FE00000
#define	CURRENT_CONTEXT_ADDR   0xD4
#define	FPU_CONTEXT_ADDR   0xD8
#define	ROOT_THREAD_ADDR   0xDC
#define	PREVIOUS_THREAD_ADDR   0xE0
#define	CURRENT_THREAD_ADDR   0xE4
#define	FP_FPSCR_ACCESS   32
#define	FP_FPECR_ACCESS   33
#define	ACTIVE_THREAD_QUEUE   (BOOTINFO + ROOT_THREAD_ADDR)
#define	CURRENT_THREAD   (BOOTINFO + CURRENT_THREAD_ADDR)
#define	INVALID_THREAD(thread)

Typedefs
typedef void(*	RegAccessFunc) (void *srcDestPtr, u128 val)

Functions
static bool	TRKTargetCheckStep (void)
static void	TRKExceptionHandler (u16)
void	TRKInterruptHandlerEnableInterrupts (void)
static void	GetThreadInfo (int *, int *)
ASM u32	__TRK_get_MSR (void)
ASM void	__TRK_set_MSR (register u32 val)
static DSError	TRKValidMemory32 (const void *addr, size_t length, int readWriteable)
static ASM void	TRK_ppc_memcpy (void *dest, const void *src, int n, u32 param_4, u32 param_5)
DSError	TRKTargetAccessMemory (void *data, u32 start, size_t *length, MemoryAccessOptions accessOptions, bool read)
static DSError	TRKTargetReadInstruction (void *data, u32 start)
DSError	TRKTargetAccessDefault (u32 firstRegister, u32 lastRegister, MessageBuffer *b, size_t *registersLengthPtr, bool read)
DSError	TRKTargetAccessFP (u32 firstRegister, u32 lastRegister, MessageBuffer *b, size_t *registerStorageSize, s32 read)
DSError	TRKTargetAccessExtended1 (u32 firstRegister, u32 lastRegister, MessageBuffer *b, size_t *registerStorageSize, s32 read)
DSError	TRKTargetAccessExtended2 (u32 firstRegister, u32 lastRegister, MessageBuffer *b, size_t *registersLengthPtr, bool read)
DSError	TRKTargetVersions (DSVersions *version)
DSError	TRKTargetSupportMask (DSSupportMask *mask)
DSError	TRKTargetCPUType (DSCPUType *cpuType)
void	TRKUARTInterruptHandler (void)
ASM void	TRKInterruptHandler (register u16 val)
static ASM void	TRKExceptionHandler (register u16 id)
void	TRKPostInterruptEvent (void)
ASM void	TRKSwapAndGo (void)
DSError	TRKTargetInterrupt (NubEvent *event)
DSError	TRKTargetAddStopInfo (MessageBuffer *arg0)
void	TRKTargetAddExceptionInfo (MessageBuffer *b)
static DSError	TRKTargetEnableTrace (bool enable)
bool	TRKTargetStepDone (void)
DSError	TRKTargetDoStep (void)
DSError	TRKTargetSingleStep (u32 count, bool stepOver)
DSError	TRKTargetStepOutOfRange (u32 rangeStart, u32 rangeEnd, bool stepOver)
u32	TRKTargetGetPC (void)
DSError	TRKTargetSupportRequest (void)
DSError	TRKTargetFlushCache (u8 arg0, u32 arg1, u32 arg2)
bool	TRKTargetStopped (void)
void	TRKTargetSetStopped (bool val)
DSError	TRKTargetStop (void)
DSError	TRKPPCAccessSPR (void *srcDestPtr, u32 spr, bool read)
DSError	TRKPPCAccessPairedSingleRegister (void *srcDestPtr, u32 psr, bool read)
DSError	TRKPPCAccessFPRegister (void *srcDestPtr, u32 fpr, bool read)
DSError	TRKPPCAccessSpecialReg (void *srcDestPtr, u32 *instructionData, bool read)
void	TRKTargetSetInputPendingPtr (void *ptr)
u32	ConvertAddress (u32 addr)

Variables
OSThreadQueue	__OSActiveThreadQueue
OSThread *	__OSCurrentThread
ProcessorState_PPC	gTRKCPUState
ProcessorRestoreFlags_PPC	gTRKRestoreFlags = { false, false }
TRKState_PPC	gTRKState
static TRKExceptionStatus	gTRKExceptionStatus = { { 0, 0, 0 }, true, false }
static TRKStepStatus	gTRKStepStatus = { 0, kDSStepIntoCount, 0, 0, 0 }
u128	TRKvalue128_temp
static u16	TRK_saved_exceptionID = 0
Default_PPC	gTRKSaveState

Macro Definition Documentation

BOOTINFO

#define BOOTINFO   0x80000000

MEM2_CACHED

#define MEM2_CACHED   0x90000000

DB_EXCEPTION_MASK

#define DB_EXCEPTION_MASK   0x44

INSTR_NOP

#define INSTR_NOP   0x60000000

Instruction macros.

INSTR_BLR

#define INSTR_BLR   0x4E800020

INSTR_PSQ_ST

#define INSTR_PSQ_ST	(		psr,
			offset,
			rDest,
			w,
			gqr )

Value:

    (0xF0000000 | (psr << 21) | (rDest << 16) | (w << 15) | (gqr << 12) |     \
     offset)

INSTR_PSQ_L

#define INSTR_PSQ_L	(		psr,
			offset,
			rSrc,
			w,
			gqr )

Value:

    (0xE0000000 | (psr << 21) | (rSrc << 16) | (w << 15) | (gqr << 12) |      \
     offset)

INSTR_STW

#define INSTR_STW	(		rSrc,
			offset,
			rDest )

Value:

    (0x90000000 | (rSrc << 21) | (rDest << 16) | offset)

INSTR_LWZ

#define INSTR_LWZ	(		rDest,
			offset,
			rSrc )

Value:

    (0x80000000 | (rDest << 21) | (rSrc << 16) | offset)

INSTR_STFD

#define INSTR_STFD	(		fprSrc,
			offset,
			rDest )

Value:

    (0xD8000000 | (fprSrc << 21) | (rDest << 16) | offset)

INSTR_LFD

#define INSTR_LFD	(		fprDest,
			offset,
			rSrc )

Value:

    (0xC8000000 | (fprDest << 21) | (rSrc << 16) | offset)

INSTR_MFSPR

#define INSTR_MFSPR	(		rDest,
			spr )

Value:

    (0x7C000000 | (rDest << 21) | ((spr & 0xFE0) << 6) |                      \
     ((spr & 0x1F) << 16) | 0x2A6)

INSTR_MTSPR

#define INSTR_MTSPR	(		spr,
			rSrc )

Value:

    (0x7C000000 | (rSrc << 21) | ((spr & 0xFE0) << 6) |                       \
     ((spr & 0x1F) << 16) | 0x3A6)

ALTIVEC_VECTOR_REG_ACCESS_MIN

#define ALTIVEC_VECTOR_REG_ACCESS_MIN   0

ALTIVEC_VECTOR_REG_ACCESS_MAX

#define ALTIVEC_VECTOR_REG_ACCESS_MAX   31

ALTIVEC_VSCR_ACCESS

#define ALTIVEC_VSCR_ACCESS   32

ALTIVEC_VRSAVE_SPR_ACCESS

#define ALTIVEC_VRSAVE_SPR_ACCESS   33

SUPPORT_TRAP

#define SUPPORT_TRAP   0x0FE00000

CURRENT_CONTEXT_ADDR

#define CURRENT_CONTEXT_ADDR   0xD4

FPU_CONTEXT_ADDR

#define FPU_CONTEXT_ADDR   0xD8

ROOT_THREAD_ADDR

#define ROOT_THREAD_ADDR   0xDC

PREVIOUS_THREAD_ADDR

#define PREVIOUS_THREAD_ADDR   0xE0

CURRENT_THREAD_ADDR

#define CURRENT_THREAD_ADDR   0xE4

FP_FPSCR_ACCESS

#define FP_FPSCR_ACCESS   32

FP_FPECR_ACCESS

#define FP_FPECR_ACCESS   33

ACTIVE_THREAD_QUEUE

#define ACTIVE_THREAD_QUEUE   (BOOTINFO + ROOT_THREAD_ADDR)

CURRENT_THREAD

#define CURRENT_THREAD   (BOOTINFO + CURRENT_THREAD_ADDR)

INVALID_THREAD

#define INVALID_THREAD

(

thread

)

Value:

    ((u32) thread == 0xFFFFFFFF || thread == NULL ||                          \
     (u32) thread == 0x80000000)

Typedef Documentation

RegAccessFunc

typedef void(* RegAccessFunc) (void *srcDestPtr, u128 val)

Function Documentation

TRKTargetCheckStep()

bool TRKTargetCheckStep ( void )

static

TRKExceptionHandler() [1/2]

void TRKExceptionHandler ( u16 )

static

TRKInterruptHandlerEnableInterrupts()

ASM void TRKInterruptHandlerEnableInterrupts

(

void

)

GetThreadInfo()

void GetThreadInfo ( int * r3, int * r4 )

static

__TRK_get_MSR()

ASM u32 __TRK_get_MSR

(

void

)

__TRK_set_MSR()

ASM void __TRK_set_MSR

(

register u32

val

)

TRKValidMemory32()

DSError TRKValidMemory32 ( const void * addr, size_t length, int readWriteable )

static

TRK_ppc_memcpy()

ASM void TRK_ppc_memcpy ( void * dest, const void * src, int n, u32 param_4, u32 param_5 )

static

TRKTargetAccessMemory()

DSError TRKTargetAccessMemory	(	void *	data,
		u32	start,
		size_t *	length,
		MemoryAccessOptions	accessOptions,
		bool	read )

TRKTargetReadInstruction()

DSError TRKTargetReadInstruction ( void * data, u32 start )

static

TRKTargetAccessDefault()

DSError TRKTargetAccessDefault	(	u32	firstRegister,
		u32	lastRegister,
		MessageBuffer *	b,
		size_t *	registersLengthPtr,
		bool	read )

TRKTargetAccessFP()

DSError TRKTargetAccessFP	(	u32	firstRegister,
		u32	lastRegister,
		MessageBuffer *	b,
		size_t *	registerStorageSize,
		s32	read )

TRKTargetAccessExtended1()

DSError TRKTargetAccessExtended1	(	u32	firstRegister,
		u32	lastRegister,
		MessageBuffer *	b,
		size_t *	registerStorageSize,
		s32	read )

TRKTargetAccessExtended2()

DSError TRKTargetAccessExtended2	(	u32	firstRegister,
		u32	lastRegister,
		MessageBuffer *	b,
		size_t *	registersLengthPtr,
		bool	read )

TRKTargetVersions()

DSError TRKTargetVersions

(

DSVersions *

version

)

TRKTargetSupportMask()

DSError TRKTargetSupportMask

(

DSSupportMask *

mask

)

TRKTargetCPUType()

DSError TRKTargetCPUType

(

DSCPUType *

cpuType

)

TRKUARTInterruptHandler()

void TRKUARTInterruptHandler

(

void

)

TRKInterruptHandler()

ASM void TRKInterruptHandler

(

register u16

val

)

TRKExceptionHandler() [2/2]

ASM void TRKExceptionHandler ( register u16 id )

static

TRKPostInterruptEvent()

void TRKPostInterruptEvent

(

void

)

TRKSwapAndGo()

ASM void TRKSwapAndGo

(

void

)

TRKTargetInterrupt()

DSError TRKTargetInterrupt

(

NubEvent *

event

)

TRKTargetAddStopInfo()

DSError TRKTargetAddStopInfo

(

MessageBuffer *

arg0

)

TRKTargetAddExceptionInfo()

void TRKTargetAddExceptionInfo

(

MessageBuffer *

b

)

TRKTargetEnableTrace()

DSError TRKTargetEnableTrace ( bool enable )

static

TRKTargetStepDone()

bool TRKTargetStepDone

(

void

)

TRKTargetDoStep()

DSError TRKTargetDoStep

(

void

)

TRKTargetSingleStep()

DSError TRKTargetSingleStep	(	u32	count,
		bool	stepOver )

TRKTargetStepOutOfRange()

DSError TRKTargetStepOutOfRange	(	u32	rangeStart,
		u32	rangeEnd,
		bool	stepOver )

TRKTargetGetPC()

u32 TRKTargetGetPC

(

void

)

TRKTargetSupportRequest()

DSError TRKTargetSupportRequest

(

void

)

TRKTargetFlushCache()

DSError TRKTargetFlushCache	(	u8	arg0,
		u32	arg1,
		u32	arg2 )

TRKTargetStopped()

bool TRKTargetStopped

(

void

)

TRKTargetSetStopped()

void TRKTargetSetStopped

(

bool

val

)

TRKTargetStop()

DSError TRKTargetStop

(

void

)

TRKPPCAccessSPR()

DSError TRKPPCAccessSPR	(	void *	srcDestPtr,
		u32	spr,
		bool	read )

TRKPPCAccessPairedSingleRegister()

DSError TRKPPCAccessPairedSingleRegister	(	void *	srcDestPtr,
		u32	psr,
		bool	read )

TRKPPCAccessFPRegister()

DSError TRKPPCAccessFPRegister	(	void *	srcDestPtr,
		u32	fpr,
		bool	read )

TRKPPCAccessSpecialReg()

DSError TRKPPCAccessSpecialReg	(	void *	srcDestPtr,
		u32 *	instructionData,
		bool	read )

TRKTargetSetInputPendingPtr()

void TRKTargetSetInputPendingPtr

(

void *

ptr

)

ConvertAddress()

u32 ConvertAddress

(

u32

addr

)

Variable Documentation

__OSActiveThreadQueue

OSThreadQueue __OSActiveThreadQueue

__OSCurrentThread

OSThread* __OSCurrentThread

gTRKCPUState

ProcessorState_PPC gTRKCPUState

gTRKRestoreFlags

ProcessorRestoreFlags_PPC gTRKRestoreFlags = { false, false }

gTRKState

TRKState_PPC gTRKState

gTRKExceptionStatus

TRKExceptionStatus gTRKExceptionStatus = { { 0, 0, 0 }, true, false }

static

gTRKStepStatus

TRKStepStatus gTRKStepStatus = { 0, kDSStepIntoCount, 0, 0, 0 }

static

TRKvalue128_temp

u128 TRKvalue128_temp

TRK_saved_exceptionID

u16 TRK_saved_exceptionID = 0

static

gTRKSaveState

Default_PPC gTRKSaveState