Reset_Handler(void)
{
// Use Old Style Data and BSS section initialisation,
// That will initialise a single BSS sections.
// Zero fill the bss segment
bss_init(&__bss_start__, &__bss_end__);
// Call the standard library initialisation (mandatory, SystemInit()
// and C++ static constructors are called from here).
__libc_init_array();
// Call the main entry point, and save the exit code.
int r = main();
// Run the static destructors.
__libc_fini_array();
// On test platforms, like semi-hosting, this can be used to inform
// the host on the test result.
// On embedded platforms, usually reset the processor.
_exit(r);
}
void Boot_Init()
{
SystemInit(); // CMSIS system initialization
Board_EarlyInit();
Console_EarlyInit();
// Libc-provided function to initialize global structures e.g.
// calling constructors on global C++ objects
__libc_init_array();
OS_Init();
Console_LateInit();
Board_LateInit();
if (__main)
__main();
int return_code = main(0, NULL, NULL);
// If main() returns, call the finalizers/destructors
extern void __libc_fini_array();
__libc_fini_array();
// If we have exit() call that
if (exit)
exit(return_code);
// If exit() returns (!) power down the board
PowerManagement_PowerDown();
}
void exit(int return_code) {
uint8_t i;
for (i = 0; i < atexit_count; i++) {
atexit_funcs[i]();
}
__libc_fini_array();
_exit(return_code);
}
void __attribute__((weak)) NORETURN __libnx_exit(int rc)
{
// Call destructors.
void __libc_fini_array(void);
__libc_fini_array();
// Clean up services.
__appExit();
__nx_exit(0, envGetExitFuncPtr());
}
void _exit(int ret)
{
int i;
for (i = 0; __DTOR_LIST__[i] != 0; i++)
((void((*)(void)))__DTOR_LIST__[i]) ();
close_all_files();
__libc_fini_array();
printk("main returned %d\n", ret);
#if defined(HAVE_LWIP) && defined(CONFIG_NETFRONT)
stop_networking();
#endif
stop_kernel();
if (!ret) {
/* No problem, just shutdown. */
struct sched_shutdown sched_shutdown = { .reason = SHUTDOWN_poweroff };
HYPERVISOR_sched_op(SCHEDOP_shutdown, &sched_shutdown);
}
do_exit();
}
void __attribute__((noreturn)) __ctru_exit(int rc)
{
// Run the global destructors
__libc_fini_array();
// TODO: APT exit goes here
// Unmap the linear heap
svcControlMemory(&__linear_heap, __linear_heap, 0x0, __linear_heap_size, MEMOP_FREE, 0x0);
// Unmap the application heap
svcControlMemory(&heapBase, heapBase, 0x0, __heap_size, MEMOP_FREE, 0x0);
// Jump to the loader if it provided a callback
if (__system_retAddr)
__system_retAddr();
// Since above did not jump, end this process
svcExitProcess();
}
void __attribute__((noreturn)) __ctru_exit(int rc)
{
__libc_fini_array();
__appExit();
__libctru_exit(rc);
}