int main(int argc, char **argv)
{
OSMessage msg;
int i;
OSInitMessageQueue(&sQueue, sMessages, NumMessages);
OSCreateThread(&sThread, msgThreadEntry, 0, NULL, sThreadStack + StackSize, StackSize, 20, 0);
OSResumeThread(&sThread);
// Make sure other thread gets to a blocking read
OSSleepTicks(OSMillisecondsToTicks(10));
// Sending message into empty queue should succeed.
for (i = 0; i < NumMessages; ++i) {
msg.message = (void *)1;
msg.args[0] = 2 + i;
msg.args[1] = 3;
msg.args[2] = 4;
test_eq(OSSendMessage(&sQueue, &msg, 0), TRUE);
}
// Make sure other thread gets a chance to read all messages.
OSSleepTicks(OSMillisecondsToTicks(10));
test_eq(sMessagesRead, NumMessages);
return 0;
}
/* Start of our code */
void _start()
{
/* Load a good stack */
asm(
"lis %r1, 0x1ab5 ;"
"ori %r1, %r1, 0xd138 ;"
);
/* Get a handle to coreinit.rpl */
unsigned int coreinit_handle;
OSDynLoad_Acquire("coreinit.rpl", &coreinit_handle);
/* OS memory allocation functions */
void* (*OSAllocFromSystem)(uint32_t size, int align);
/* OS thread functions */
bool (*OSCreateThread)(void *thread, void *entry, int argc, void *args, uint32_t stack, uint32_t stack_size, int32_t priority, uint16_t attr);
int32_t (*OSResumeThread)(void *thread);
/* Exit function */
void (*_Exit)();
/* Read the addresses of the functions */
OSDynLoad_FindExport(coreinit_handle, 0, "OSAllocFromSystem", &OSAllocFromSystem);
OSDynLoad_FindExport(coreinit_handle, 0, "OSCreateThread", &OSCreateThread);
OSDynLoad_FindExport(coreinit_handle, 0, "OSResumeThread", &OSResumeThread);
OSDynLoad_FindExport(coreinit_handle, 0, "_Exit", &_Exit);
/* Create a string argument */
char *str = OSAllocFromSystem(6, 1);
str[0] = 'H';
str[1] = 'e';
str[2] = 'l';
str[3] = 'l';
str[4] = 'o';
str[5] = 0;
/* Allocate a stack for the thread */
uint32_t stack = (uint32_t) OSAllocFromSystem(0x1000, 0x10);
stack += 0x1000;
/* Create the thread */
void *thread = OSAllocFromSystem(OSTHREAD_SIZE, 8);
bool ret = OSCreateThread(thread, OSFatal, (int)str, null, stack, 0x1000, 0, 1);
if (ret == false)
{
OSFatal("Failed to create thread");
}
/* Schedule it for execution */
OSResumeThread(thread);
/* Infinite loop */
while(1);
}
void
startAlarmCallbackThreads()
{
for (auto i = 0u; i < CoreCount; ++i) {
auto &thread = sAlarmCallbackThread[i];
auto stackSize = 16 * 1024;
auto stack = reinterpret_cast<uint8_t*>(coreinit::internal::sysAlloc(stackSize, 8));
auto name = coreinit::internal::sysStrDup(fmt::format("Alarm Thread {}", i));
OSCreateThread(thread, sAlarmCallbackThreadEntryPoint, i, nullptr,
reinterpret_cast<be_val<uint32_t>*>(stack + stackSize), stackSize, -1,
static_cast<OSThreadAttributes>(1 << i));
OSSetThreadName(thread, name);
OSResumeThread(thread);
}
}
void
GameLoaderRun()
{
auto appModule = gLoader.loadRPL(gGameRpx.c_str());
if (!appModule) {
gLog->error("Could not load {}", gGameRpx);
return;
}
gSystem.setUserModule(appModule);
gDebugControl.preLaunch();
gLog->debug("Succesfully loaded {}", gGameRpx);
// Call the RPX __preinit_user if it is defined
auto userPreinit = appModule->findFuncExport<void, be_ptr<CommonHeap>*, be_ptr<CommonHeap>*, be_ptr<CommonHeap>*>("__preinit_user");
if (userPreinit) {
struct HeapHandles
{
be_ptr<CommonHeap> mem1Heap;
be_ptr<CommonHeap> fgHeap;
be_ptr<CommonHeap> mem2Heap;
};
HeapHandles *wiiHandles = OSAllocFromSystem<HeapHandles>();
wiiHandles->mem1Heap = MEMGetBaseHeapHandle(BaseHeapType::MEM1);
wiiHandles->fgHeap = MEMGetBaseHeapHandle(BaseHeapType::FG);
wiiHandles->mem2Heap = MEMGetBaseHeapHandle(BaseHeapType::MEM2);
userPreinit(&wiiHandles->mem1Heap, &wiiHandles->fgHeap, &wiiHandles->mem2Heap);
MEMSetBaseHeapHandle(BaseHeapType::MEM1, wiiHandles->mem1Heap);
MEMSetBaseHeapHandle(BaseHeapType::FG, wiiHandles->fgHeap);
MEMSetBaseHeapHandle(BaseHeapType::MEM2, wiiHandles->mem2Heap);
OSFreeToSystem(wiiHandles);
}
// Create default threads
for (auto i = 0u; i < CoreCount; ++i) {
auto thread = OSAllocFromSystem<OSThread>();
auto stackSize = appModule->defaultStackSize;
auto stack = reinterpret_cast<uint8_t*>(OSAllocFromSystem(stackSize, 8));
auto name = OSSprintfFromSystem("Default Thread %d", i);
OSCreateThread(thread, 0u, 0, nullptr,
reinterpret_cast<be_val<uint32_t>*>(stack + stackSize), stackSize, 16,
static_cast<OSThreadAttributes::Flags>(1 << i));
OSSetDefaultThread(i, thread);
OSSetThreadName(thread, name);
}
// Create interrupt threads
for (auto i = 0u; i < CoreCount; ++i) {
auto thread = OSAllocFromSystem<OSThread>();
auto stackSize = 16 * 1024;
auto stack = reinterpret_cast<uint8_t*>(OSAllocFromSystem(stackSize, 8));
auto name = OSSprintfFromSystem("Interrupt Thread %d", i);
OSCreateThread(thread, InterruptThreadEntryPoint, i, nullptr,
reinterpret_cast<be_val<uint32_t>*>(stack + stackSize), stackSize, -1,
static_cast<OSThreadAttributes::Flags>(1 << i));
OSSetInterruptThread(i, thread);
OSSetThreadName(thread, name);
OSResumeThread(thread);
}
// Run thread 1
OSRunThread(OSGetDefaultThread(1), appModule->entryPoint, 0, nullptr);
}
void _start()
{
asm(
"lis %r1, 0x1ab5 ;"
"ori %r1, %r1, 0xd138 ;"
);
unsigned int coreinit_handle, gx2_handle;
OSDynLoad_Acquire("coreinit", &coreinit_handle);
OSDynLoad_Acquire("gx2", &gx2_handle);
//OS Memory functions
void*(*memset)(void * dest, unsigned int value, unsigned int bytes);
void*(*OSAllocFromSystem)(unsigned int 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);
//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);
//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--) ;
/* Get the framebuffer of the TV or DRC */
void(*GX2SwapScanBuffers)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2SwapScanBuffers", &GX2SwapScanBuffers);
unsigned char *abuseFunc = (unsigned char*)GX2SwapScanBuffers;
unsigned short f_hi = *(unsigned short*)(abuseFunc+0x12);
unsigned short f_lo = *(unsigned short*)(abuseFunc+0x16);
unsigned int gx2settingBase = (((f_lo & 0x8000) ? (f_hi-1) : f_hi) << 16) | f_lo;
unsigned int args[2];
args[0] = *((unsigned int*)(gx2settingBase + 0x304));
args[1] = *((unsigned int*)(gx2settingBase + 0x304 + 0x20));
int(*OSGetCoreId)();
OSDynLoad_FindExport(coreinit_handle, 0, "OSGetCoreId", &OSGetCoreId);
void(*OSTestThreadCancel)();
OSDynLoad_FindExport(coreinit_handle, 0, "OSTestThreadCancel", &OSTestThreadCancel);
void(*GX2Shutdown)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2Shutdown", &GX2Shutdown);
int(*GX2GetMainCoreId)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2GetMainCoreId", &GX2GetMainCoreId);
/* Prepare for our own death */
void*(*OSGetCurrentThread)();
OSDynLoad_FindExport(coreinit_handle, 0, "OSGetCurrentThread", &OSGetCurrentThread);
void *myBorkedThread = OSGetCurrentThread();
int (*OSSuspendThread)(void *thread);
OSDynLoad_FindExport(coreinit_handle, 0, "OSSuspendThread", &OSSuspendThread);
/* Prepare for thread startups */
int (*OSCreateThread)(void *thread, void *entry, int argc, void *args, unsigned int stack, unsigned int stack_size, int priority, unsigned short attr);
int (*OSResumeThread)(void *thread);
int (*OSIsThreadTerminated)(void *thread);
OSDynLoad_FindExport(coreinit_handle, 0, "OSCreateThread", &OSCreateThread);
OSDynLoad_FindExport(coreinit_handle, 0, "OSResumeThread", &OSResumeThread);
OSDynLoad_FindExport(coreinit_handle, 0, "OSIsThreadTerminated", &OSIsThreadTerminated);
/* Allocate a stack for the thread */
unsigned int stack = (unsigned int) OSAllocFromSystem(0x1000, 0x10);
stack += 0x1000;
/* Create the thread */
void *thread = OSAllocFromSystem(OSTHREAD_SIZE, 8);
if(OSGetCoreId() != GX2GetMainCoreId()) //needed for access without crashing
{
int ret = OSCreateThread(thread, GX2Shutdown, 0, (void*)0, stack, 0x1000, 0, 0x10 | (1<<GX2GetMainCoreId()));
if (ret == 0)
OSFatal("Failed to create thread");
/* Schedule it for execution */
OSResumeThread(thread);
while(OSIsThreadTerminated(thread) == 0) ;
}
else //same core, easy
GX2Shutdown();
//current thread is broken, switch to a working one in core 1
int ret = OSCreateThread(thread, myGXthread, 2, args, stack, 0x1000, 0, 0xA);
if (ret == 0)
OSFatal("Failed to create thread");
/* Schedule it for execution */
OSResumeThread(thread);
/* SO UGLY but it works magically */
while(1) ;
//would be better but again, crashes 5.3.2
//OSSuspendThread(myBorkedThread);
//OSFatal("I am still not dead!");
}