void _start()
{
/****************************> Fix Stack <****************************/
//Load a good stack
asm(
"lis %r1, 0x1ab5 ;"
"ori %r1, %r1, 0xd138 ;"
);
/****************************> Get Handles <****************************/
//Get a handle to coreinit.rpl
unsigned int coreinit_handle, avm_handle;
OSDynLoad_Acquire("coreinit.rpl", &coreinit_handle);
// CreeperMario: Get a handle to the audio/video manager - avm.rpl
OSDynLoad_Acquire("avm.rpl", &avm_handle);
/****************************> External Prototypes <****************************/
//OSScreen functions
void(*OSScreenInit)();
unsigned int(*OSScreenGetBufferSizeEx)(unsigned int bufferNum);
unsigned int(*OSScreenSetBufferEx)(unsigned int bufferNum, void * addr);
//OS Memory functions
void*(*memset)(void * dest, uint32_t value, uint32_t bytes);
void*(*OSAllocFromSystem)(uint32_t size, int align);
void(*OSFreeToSystem)(void *ptr);
//IM functions
int(*IM_Open)();
int(*IM_Close)(int fd);
int(*IM_SetDeviceState)(int fd, void *mem, int state, int a, int b);
// CreeperMario: Audio/Video manager functions
bool(*AVMSetTVScale)(int width, int height);
/****************************> Exports <****************************/
//OSScreen functions
OSDynLoad_FindExport(coreinit_handle, 0, "OSScreenInit", &OSScreenInit);
OSDynLoad_FindExport(coreinit_handle, 0, "OSScreenGetBufferSizeEx", &OSScreenGetBufferSizeEx);
OSDynLoad_FindExport(coreinit_handle, 0, "OSScreenSetBufferEx", &OSScreenSetBufferEx);
//OS Memory functions
OSDynLoad_FindExport(coreinit_handle, 0, "memset", &memset);
OSDynLoad_FindExport(coreinit_handle, 0, "OSAllocFromSystem", &OSAllocFromSystem);
OSDynLoad_FindExport(coreinit_handle, 0, "OSFreeToSystem", &OSFreeToSystem);
//IM functions
OSDynLoad_FindExport(coreinit_handle, 0, "IM_Open", &IM_Open);
OSDynLoad_FindExport(coreinit_handle, 0, "IM_Close", &IM_Close);
OSDynLoad_FindExport(coreinit_handle, 0, "IM_SetDeviceState", &IM_SetDeviceState);
// CreeperMario: Audio/Video manager functions
OSDynLoad_FindExport(avm_handle, 0, "AVMSetTVScale", &AVMSetTVScale);
/*** CreeperMario: Set the TV Screen's 'scale factor'. ***/
AVMSetTVScale(854, 480);
/****************************> Initial Setup <****************************/
//Restart system to get lib access
int fd = IM_Open();
void *mem = OSAllocFromSystem(0x100, 64);
memset(mem, 0, 0x100);
//set restart flag to force quit browser
IM_SetDeviceState(fd, mem, 3, 0, 0);
IM_Close(fd);
OSFreeToSystem(mem);
//wait a bit for browser end
unsigned int t1 = 0x1FFFFFFF;
while(t1--) ;
//Call the Screen initilzation function.
OSScreenInit();
//Grab the buffer size for each screen (TV and gamepad)
int buf0_size = OSScreenGetBufferSizeEx(0);
int buf1_size = OSScreenGetBufferSizeEx(1);
//Set the buffer area.
OSScreenSetBufferEx(0, (void *)0xF4000000);
OSScreenSetBufferEx(1, (void *)0xF4000000 + buf0_size);
//Clear both framebuffers.
// I don't do this here, and do it at the start of entry point to use my services struct
// int ii = 0;
// for (ii; ii < 2; ii++)
// {
// fillScreen(0,0,0,0);
// flipBuffers();
// }
//Jump to entry point.
_entryPoint();
}
void _start()
{
/****************************> Fix Stack <****************************/
//Load a good stack
asm(
"lis %r1, 0x1ab5 ;"
"ori %r1, %r1, 0xd138 ;"
);
/****************************> Get Handles <****************************/
//Get a handle to coreinit.rpl
unsigned int coreinit_handle;
OSDynLoad_Acquire("coreinit.rpl", &coreinit_handle);
/****************************> External Prototypes <****************************/
//OSScreen functions
void(*OSScreenInit)();
unsigned int(*OSScreenGetBufferSizeEx)(unsigned int bufferNum);
unsigned int(*OSScreenSetBufferEx)(unsigned int bufferNum, void * addr);
//OS Thread functions
long(*OSCheckActiveThreads)();
//Misc OS functions
void(*OSRestartGame)();
//OS Memory functions
void(*DCFlushRange)(void *buffer, uint32_t length);
/****************************> Exports <****************************/
//OSScreen functions
OSDynLoad_FindExport(coreinit_handle, 0, "OSScreenInit", &OSScreenInit);
OSDynLoad_FindExport(coreinit_handle, 0, "OSScreenGetBufferSizeEx", &OSScreenGetBufferSizeEx);
OSDynLoad_FindExport(coreinit_handle, 0, "OSScreenSetBufferEx", &OSScreenSetBufferEx);
//OSThread functions
OSDynLoad_FindExport(coreinit_handle, 0, "OSCheckActiveThreads", &OSCheckActiveThreads);
//Misc OS functions
OSDynLoad_FindExport(coreinit_handle, 0, "OSRestartGame", &OSRestartGame);
//OS Memory functions
OSDynLoad_FindExport(coreinit_handle, 0, "DCFlushRange", &DCFlushRange);
/****************************> Initial Setup <****************************/
//Restart the web browser. This stops active threads for browser. Browser GUI thread runs on CPU0.
OSRestartGame();
//Wait for the web browser to start closing by observing the total number of threads.
long initialNumberOfThreads = OSCheckActiveThreads();
long currentNumberOfThreads = OSCheckActiveThreads();
while (initialNumberOfThreads - currentNumberOfThreads < 3)
{
currentNumberOfThreads = OSCheckActiveThreads();
}
//Call the Screen initilzation function.
OSScreenInit();
//Grab the buffer size for each screen (TV and gamepad)
int buf0_size = OSScreenGetBufferSizeEx(0);
int buf1_size = OSScreenGetBufferSizeEx(1);
//Set the buffer area.
OSScreenSetBufferEx(0, (void *)0xF4000000);
OSScreenSetBufferEx(1, (void *)0xF4000000 + buf0_size);
//Clear both framebuffers.
int ii = 0;
for (ii; ii < 2; ii++)
{
fillScreen(0,0,0,0);
flipBuffers();
}
//Jump to entry point.
_entryPoint();
}
