void GuiElement::LockElement()
{
// LWP_MutexLock(mutex);
for (;;) // loop while element is locked by self
{
LWP_MutexLock(_lock_mutex);
if (_lock_thread == LWP_THREAD_NULL) // element is not locked
{
_lock_thread = LWP_GetSelf(); // mark as locked
_lock_count = 1; // set count of lock to 1
LWP_MutexUnlock(_lock_mutex);
return;
}
else if (_lock_thread == LWP_GetSelf()) // thread is locked by my self
{
_lock_count++; // inc count of locks;
LWP_MutexUnlock(_lock_mutex);
return;
}
else // otherwise the element is locked by an other thread
{
if (_lock_queue == LWP_TQUEUE_NULL) // no queue - meens it is the first access to the locked element
LWP_InitQueue(&_lock_queue); // init queue
LWP_MutexUnlock(_lock_mutex);
LWP_ThreadSleep(_lock_queue); // and sleep
// try lock again;
}
}
}
void LWP_SetThreadPriority(lwp_t thethread,u32 prio)
{
lwp_cntrl *lwp_thread;
if(thethread==LWP_THREAD_NULL) thethread = LWP_GetSelf();
lwp_thread = __lwp_cntrl_open(thethread);
if(!lwp_thread) return;
__lwp_thread_changepriority(lwp_thread,__lwp_priotocore(prio),TRUE);
__lwp_thread_dispatchenable();
}
void GuiElement::UnlockElement()
{
// LWP_MutexUnlock(mutex);
LWP_MutexLock(_lock_mutex);
// only the thread was locked this element, can call unlock
if (_lock_thread == LWP_GetSelf()) // but we check it here safe is safe
{
if (--_lock_count == 0) // dec count of locks and check if it last lock;
{
_lock_thread = LWP_THREAD_NULL; // mark as unlocked
if (_lock_queue != LWP_TQUEUE_NULL) // has a queue
{
LWP_CloseQueue(_lock_queue); // close the queue and wake all waited threads
_lock_queue = LWP_TQUEUE_NULL;
}
}
}
LWP_MutexUnlock(_lock_mutex);
}
Uint32 SDL_ThreadID(void)
{
return (Uint32) LWP_GetSelf();
}
int main(void) {
int ret;
void *frame_buffer = NULL;
GXRModeObj *rmode = NULL;
/* The game's boot loader is statically loaded at 0x81200000, so we'd better
* not start mallocing there! */
SYS_SetArena1Hi((void *)0x81200000);
/* initialise all subsystems */
if (!Event_Init(&main_event_fat_loaded))
goto exit_error;
if (!Apploader_Init())
goto exit_error;
if (!Module_Init())
goto exit_error;
if (!Search_Init())
goto exit_error;
/* main thread is UI, so set thread prior to UI */
LWP_SetThreadPriority(LWP_GetSelf(), THREAD_PRIO_UI);
/* configure the video */
VIDEO_Init();
rmode = VIDEO_GetPreferredMode(NULL);
frame_buffer = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
if (!frame_buffer)
goto exit_error;
console_init(
frame_buffer, 20, 20, rmode->fbWidth, rmode->xfbHeight,
rmode->fbWidth * VI_DISPLAY_PIX_SZ);
/* spawn lots of worker threads to do stuff */
if (!Apploader_RunBackground())
goto exit_error;
if (!Module_RunBackground())
goto exit_error;
if (!Search_RunBackground())
goto exit_error;
VIDEO_Configure(rmode);
VIDEO_SetNextFramebuffer(frame_buffer);
VIDEO_SetBlack(false);
VIDEO_Flush();
VIDEO_WaitVSync();
if (rmode->viTVMode & VI_NON_INTERLACE)
VIDEO_WaitVSync();
/* display the welcome message */
printf("\x1b[2;0H");
printf("BrainSlug Wii v%x.%02x.%04x"
#ifndef NDEBUG
" DEBUG build"
#endif
"\n",
BSLUG_VERSION_MAJOR(BSLUG_LOADER_VERSION),
BSLUG_VERSION_MINOR(BSLUG_LOADER_VERSION),
BSLUG_VERSION_REVISION(BSLUG_LOADER_VERSION));
printf(" by Chadderz\n\n");
if (!__io_wiisd.startup() || !__io_wiisd.isInserted()) {
printf("Please insert an SD card.\n\n");
do {
__io_wiisd.shutdown();
} while (!__io_wiisd.startup() || !__io_wiisd.isInserted());
}
__io_wiisd.shutdown();
if (!fatMountSimple("sd", &__io_wiisd)) {
fprintf(stderr, "Could not mount SD card.\n");
goto exit_error;
}
Event_Trigger(&main_event_fat_loaded);
printf("Waiting for game disk...\n");
Event_Wait(&apploader_event_disk_id);
printf("Game ID: %.4s\n", os0->disc.gamename);
printf("Loading modules...\n");
Event_Wait(&module_event_list_loaded);
if (module_list_count == 0) {
printf("No valid modules found!\n");
} else {
size_t module;
printf(
"%u module%s found.\n",
module_list_count, module_list_count > 1 ? "s" : "");
for (module = 0; module < module_list_count; module++) {
printf(
"\t%s %s by %s (", module_list[module]->name,
module_list[module]->version, module_list[module]->author);
Main_PrintSize(module_list[module]->size);
puts(").");
}
Main_PrintSize(module_list_size);
puts(" total.");
}
Event_Wait(&apploader_event_complete);
Event_Wait(&module_event_complete);
fatUnmount("sd");
__io_wiisd.shutdown();
if (module_has_error) {
printf("\nPress RESET to exit.\n");
goto exit_error;
}
if (apploader_game_entry_fn == NULL) {
fprintf(stderr, "Error... entry point is NULL.\n");
} else {
if (module_has_info || search_has_info) {
printf("\nPress RESET to launch game.\n");
while (!SYS_ResetButtonDown())
VIDEO_WaitVSync();
while (SYS_ResetButtonDown())
VIDEO_WaitVSync();
}
SYS_ResetSystem(SYS_SHUTDOWN, 0, 0);
apploader_game_entry_fn();
}
ret = 0;
goto exit;
exit_error:
ret = -1;
exit:
while (!SYS_ResetButtonDown())
VIDEO_WaitVSync();
while (SYS_ResetButtonDown())
VIDEO_WaitVSync();
VIDEO_SetBlack(true);
VIDEO_Flush();
VIDEO_WaitVSync();
free(frame_buffer);
exit(ret);
return ret;
}
