void __attribute__((weak)) __system_allocateHeaps(void) {
u32 tmp=0;
if(envIsHomebrew()) {
// Use launcher-provided heap information.
__ctru_heap_size = envGetHeapSize();
__ctru_linear_heap_size = envGetLinearHeapSize();
} else {
// Distribute available memory into halves, aligning to page size.
u32 size = (osGetMemRegionFree(MEMREGION_APPLICATION) / 2) & 0xFFFFF000;
__ctru_heap_size = size;
__ctru_linear_heap_size = size;
}
// Allocate the application heap
__ctru_heap = 0x08000000;
svcControlMemory(&tmp, __ctru_heap, 0x0, __ctru_heap_size, MEMOP_ALLOC, MEMPERM_READ | MEMPERM_WRITE);
// Allocate the linear heap
svcControlMemory(&__ctru_linear_heap, 0x0, 0x0, __ctru_linear_heap_size, MEMOP_ALLOC_LINEAR, MEMPERM_READ | MEMPERM_WRITE);
// Set up newlib heap
fake_heap_start = (char*)__ctru_heap;
fake_heap_end = fake_heap_start + __ctru_heap_size;
}
void __attribute__((weak)) __libctru_init(void (*retAddr)(void))
{
/* Store the return address */
__system_retAddr = NULL;
if (envIsHomebrew()) {
__system_retAddr = retAddr;
}
/* Initialize the synchronization subsystem */
__sync_init();
/* Initialize newlib support system calls */
__system_initSyscalls();
/* Allocate application and linear heaps */
__system_allocateHeaps();
}
void __attribute__((weak)) __libctru_init(void (*retAddr)(void))
{
// Store the return address
__system_retAddr = envIsHomebrew() ? retAddr : NULL;
// Initialize the synchronization subsystem
__sync_init();
// Initialize newlib support system calls
__system_initSyscalls();
// Allocate application and linear heaps
__system_allocateHeaps();
// Build argc/argv if present
__system_initArgv();
}
int main(int argc, char **argv)
{
(void) argc, (void) argv;
Result res = MAKERESULT(RL_SUCCESS, RS_SUCCESS, 0, RD_SUCCESS);
gfxInitDefault();
PrintConsole top;
consoleInit(GFX_TOP, &top);
util_debug_init();
consoleSelect(&top);
if (R_FAILED(res = acInit())) {
util_presult("acInit failed", res);
goto ac_failure;
}
u32 wifi = 0;
if (R_FAILED(res = ACU_GetWifiStatus(&wifi))) {
util_presult("ACU_GetWifiStatus failed", res);
fprintf(stderr, "Did you enable Wifi?\n");
goto wifi_check_failure;
}
if (!wifi) {
fprintf(stderr, "Wifi disabled.\n");
goto wifi_check_failure;
}
if ((sock_ctx = memalign(SOCU_BUFSZ, SOCU_ALIGN)) == NULL) {
util_perror("Allocating SOC buffer");
res = MAKERESULT(
RL_PERMANENT, RS_OUTOFRESOURCE, RM_SOC, RD_OUT_OF_MEMORY);
goto soc_alloc_failure;
}
if (R_FAILED(res = socInit(sock_ctx, SOCU_BUFSZ))) {
util_presult("socInit failed", res);
goto soc_failure;
}
if (R_FAILED(res = hidInit())) {
util_presult("hidInit failed", res);
goto hid_failure;
}
if (R_FAILED(res = HIDUSER_EnableAccelerometer())) {
util_presult("Failed to enable accelerometer", res);
goto accel_failure;
}
if (R_FAILED(res = ctrollerInit())) {
fprintf(stderr, "Do you have a valid IP in\n '" CFG_FILE "'?");
goto failure;
}
bool isHomebrew = envIsHomebrew();
printf("Press %s to exit.\n", isHomebrew ? EXIT_DESC : "HOME");
fflush(stdout);
while (aptMainLoop()) {
if (isHomebrew) {
if (hidKeysHeld() == EXIT_KEYS) {
res = RL_SUCCESS;
break;
}
}
if (ctrollerSendHIDInfo()) {
util_perror("Sending HID info");
fflush(stderr);
for (int i = 3; i > 0; i--) {
util_debug_printf("\rRetrying in %ds... ", i);
svcSleepThread(1000000000L);
}
util_debug_printf("\rRetrying now.\x1b[K\n");
}
gspWaitForVBlank();
gfxFlushBuffers();
gfxSwapBuffers();
}
puts("Exiting...");
failure:
HIDUSER_DisableAccelerometer();
accel_failure:
hidExit();
hid_failure:
socExit();
soc_failure:
free(sock_ctx);
soc_alloc_failure:
wifi_check_failure:
acExit();
ac_failure:
if (R_FAILED(res)) {
util_hang(res);
}
gfxExit();
return res;
}
