ExecPS2.c File Reference

#include <kernel.h>
#include "ExecPS2.h"

Include dependency graph for ExecPS2.c:

Go to the source code of this file.

Data Structures
struct	TCB

Functions
static void	SoftPeripheralEEReset (void)
void *	ExecPS2Patch (void *EntryPoint, void *gp, int argc, char *argv[])

Variables
static int *	p_ThreadID =(int*)0x800125EC
static int *	p_ThreadStatus =(int*)0x800125F4
static int(*	p_CancelWakeupThread )(int ThreadID) =(void*)0x80004970
static int(*	p_ChangeThreadPriority )(int ThreadID, int priority) =(void*)0x80004288
static int(*	p_InitPgifHandler2 )(void) =(void*)0x800021b0
static int(*	p_InitSemaphores )(void) =(void*)0x80004e68
static int(*	p_DeleteThread )(int thread_id) =(void*)0x80003f00
static int(*	p_TerminateThread )(int ThreadID) =(void*)0x80003e00
static struct TCB *	p_TCBs =(struct TCB *)0x80017400
static void(*	p_InitializeINTC )(int interrupts) =(void*)0x8000b8d0
static void(*	p_InitializeTIMER )(void) =(void*)0x8000b900
static void(*	p_InitializeFPU )(void) =(void*)0x8000b7a8
static void(*	p_InitializeScratchPad )(void) =(void*)0x8000b840
static int(*	p_ResetEE )(int flags) =(void*)0x8000ad68
static void(*	p_InitializeGS )(void) =(void*)0x8000aa60
static void(*	p_SetGSCrt )(unsigned short int interlace, unsigned short int mode, unsigned short int ffmd) =(void*)0x8000a060
static void(*	p_FlushDCache )(void) =(void*)0x80002a80
static void(*	p_FlushICache )(void) =(void*)0x80002ac0
static char *(*	p_eestrcpy )(char *dst, const char *src) =(void*)0x80005560
static char *	p_ArgsBuffer =(char*)0x80012608

Function Documentation

ExecPS2Patch()

void* ExecPS2Patch	(	void *	EntryPoint,
		void *	gp,
		int	argc,
		char *	argv[]
	)

Definition at line 83 of file ExecPS2.c.

                                                                      {
        int i, CurrentThreadID;
        struct TCB *tcb;
#ifndef REUSE_EXECPS2
        char *ArgsPtr;
#endif
 
        CurrentThreadID=*p_ThreadID;
        p_CancelWakeupThread(CurrentThreadID);
        p_ChangeThreadPriority(CurrentThreadID, 0);
 
        //Like IOP kernels, the first thread is the idle thread.
        for(i=1,tcb=&p_TCBs[1]; i<MAX_THREADS; i++,tcb++){
                if(tcb->status!=0 && i!=CurrentThreadID){
                        if(tcb->status!=THS_DORMANT) p_TerminateThread(i);
 
                        p_DeleteThread(i);
                }
        }
 
        p_InitSemaphores();
        p_InitPgifHandler2();
 
        *p_ThreadStatus=0;
        SoftPeripheralEEReset();
 
#ifdef REUSE_EXECPS2
        //Unlike the Sony patch, why don't we just reuse the original function in the kernel?
        return p_ExecPS2(EntryPoint, gp, argc, argv);
#else
        for(i=0,ArgsPtr=p_ArgsBuffer; i<argc; i++){
                ArgsPtr=p_eestrcpy(ArgsPtr, argv[i]);
        }
 
        tcb=&p_TCBs[CurrentThreadID];
        tcb->argstring=p_ArgsBuffer;
        tcb->argc=argc;
        tcb->entry=EntryPoint;
        tcb->entry_=EntryPoint;
        tcb->gpReg=gp;
        tcb->initPriority=0;
        tcb->currentPriority=0;
        tcb->wakeupCount=0;
        tcb->waitSema=0;
        tcb->semaId=0;
 
        p_FlushICache();
        p_FlushDCache();
 
        return EntryPoint;
#endif
}

References TCB::argc, TCB::argstring, TCB::currentPriority, TCB::entry, TCB::entry_, gp, TCB::gpReg, TCB::initPriority, MAX_THREADS, p_ArgsBuffer, p_CancelWakeupThread, p_ChangeThreadPriority, p_DeleteThread, p_eestrcpy, p_FlushDCache, p_FlushICache, p_InitPgifHandler2, p_InitSemaphores, p_TCBs, p_TerminateThread, p_ThreadID, p_ThreadStatus, TCB::semaId, SoftPeripheralEEReset(), TCB::status, THS_DORMANT, TCB::waitSema, and TCB::wakeupCount.

SoftPeripheralEEReset()

static void SoftPeripheralEEReset ( void  )

inlinestatic

Definition at line 69 of file ExecPS2.c.

                                              {
        *(volatile unsigned int *)0x1000f000=4;
        while((*(volatile unsigned int *)0x1000f000&4)==0){};
        *(volatile unsigned int *)0x1000f000=4;
 
        p_InitializeGS();
        p_SetGSCrt(1, 2, 1);    //Interlaced, NTSC, field mode.
        p_InitializeINTC(0xdffd);
        p_InitializeTIMER();
        p_ResetEE(0x7F);
        p_InitializeFPU();
        p_InitializeScratchPad();
}

References p_InitializeFPU, p_InitializeGS, p_InitializeINTC, p_InitializeScratchPad, p_InitializeTIMER, p_ResetEE, and p_SetGSCrt.

Referenced by ExecPS2Patch().

Variable Documentation

p_ArgsBuffer

char* p_ArgsBuffer =(char*)0x80012608

static

Definition at line 37 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_CancelWakeupThread

int(* p_CancelWakeupThread) (int ThreadID) ( int  ThreadID ) =(void*)0x80004970

static

Definition at line 16 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_ChangeThreadPriority

int(* p_ChangeThreadPriority) (int ThreadID, int priority) ( int  ThreadID, int  priority  ) =(void*)0x80004288

static

Definition at line 17 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_DeleteThread

int(* p_DeleteThread) (int thread_id) ( int  thread_id ) =(void*)0x80003f00

static

Definition at line 20 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_eestrcpy

char*(* p_eestrcpy) (char *dst, const char *src) ( char *  dst, const char *  src  ) =(void*)0x80005560

static

Definition at line 35 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_FlushDCache

void(* p_FlushDCache) (void) ( void  ) =(void*)0x80002a80

static

Definition at line 33 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_FlushICache

void(* p_FlushICache) (void) ( void  ) =(void*)0x80002ac0

static

Definition at line 34 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_InitializeFPU

void(* p_InitializeFPU) (void) ( void  ) =(void*)0x8000b7a8

static

Definition at line 25 of file ExecPS2.c.

Referenced by SoftPeripheralEEReset().

p_InitializeGS

void(* p_InitializeGS) (void) ( void  ) =(void*)0x8000aa60

static

Definition at line 28 of file ExecPS2.c.

Referenced by SoftPeripheralEEReset().

p_InitializeINTC

void(* p_InitializeINTC) (int interrupts) ( int  interrupts ) =(void*)0x8000b8d0

static

Definition at line 23 of file ExecPS2.c.

Referenced by SoftPeripheralEEReset().

p_InitializeScratchPad

void(* p_InitializeScratchPad) (void) ( void  ) =(void*)0x8000b840

static

Definition at line 26 of file ExecPS2.c.

Referenced by SoftPeripheralEEReset().

p_InitializeTIMER

void(* p_InitializeTIMER) (void) ( void  ) =(void*)0x8000b900

static

Definition at line 24 of file ExecPS2.c.

Referenced by SoftPeripheralEEReset().

p_InitPgifHandler2

int(* p_InitPgifHandler2) (void) ( void  ) =(void*)0x800021b0

static

Definition at line 18 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_InitSemaphores

int(* p_InitSemaphores) (void) ( void  ) =(void*)0x80004e68

static

Definition at line 19 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_ResetEE

int(* p_ResetEE) (int flags) ( int  flags ) =(void*)0x8000ad68

static

Definition at line 27 of file ExecPS2.c.

Referenced by SoftPeripheralEEReset().

p_SetGSCrt

void(* p_SetGSCrt) (unsigned short int interlace, unsigned short int mode, unsigned short int ffmd) ( unsigned short int  interlace, unsigned short int  mode, unsigned short int  ffmd  ) =(void*)0x8000a060

static

Definition at line 29 of file ExecPS2.c.

Referenced by SoftPeripheralEEReset().

p_TCBs

struct TCB* p_TCBs =(struct TCB *)0x80017400

static

Definition at line 22 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_TerminateThread

int(* p_TerminateThread) (int ThreadID) ( int  ThreadID ) =(void*)0x80003e00

static

Definition at line 21 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_ThreadID

int* p_ThreadID =(int*)0x800125EC

static

Definition at line 14 of file ExecPS2.c.

Referenced by ExecPS2Patch().

p_ThreadStatus

int* p_ThreadStatus =(int*)0x800125F4

static

Definition at line 15 of file ExecPS2.c.

Referenced by ExecPS2Patch().