/* CRT initialization code called from Reset_Handler after it calls SystemInit() */
extern "C" __attribute__ ((section(".mbed_init"))) void __main(void)
{
unsigned long* pulDest;
unsigned long* pulSrc;
int ExitCode;
/* Copy the data segment initializers from flash to SRAM in ROM mode if needed */
if (&_sidata != &_sdata) // only if needed
{
pulSrc = &_sidata;
for(pulDest = &_sdata; pulDest < &_edata; )
{
*(pulDest++) = *(pulSrc++);
}
}
/* Copy the .fastcode code from ROM to SRAM if needed */
if (&_sifastcode != &_sfastcode)
{
pulSrc = &_sifastcode;
for(pulDest = &_sfastcode; pulDest < &_efastcode; )
{
*(pulDest++) = *(pulSrc++);
}
}
/* Zero fill the bss segment. */
for(pulDest = &_sbss; pulDest < &_ebss; )
{
*(pulDest++) = 0;
}
/* Initialize stdin/stdout/stderr file handles. */
if (!MRI_SEMIHOST_STDIO && !GCC4MBED_DELAYED_STDIO_INIT)
{
__GCC4MBEDOpenStandardHandles();
}
if (MRI_ENABLE)
{
__mriInit(MRI_INIT_PARAMETERS);
if (MRI_BREAK_ON_INIT)
{
__debugbreak();
}
}
/* Initialize static constructors. */
__libc_init_array();
/* Call the application's entry point. */
ExitCode = main();
/* Call exit */
exit(ExitCode);
}
// extern "C" void exit(int ErrorCode);
extern "C" void _start(void)
{
int bssSize = (int)&__bss_end__ - (int)&__bss_start__;
int mainReturnValue;
memset(&__bss_start__, 0, bssSize);
fillUnusedRAM();
if (STACK_SIZE)
{
configureStackSizeLimit(STACK_SIZE);
}
if (WRITE_BUFFER_DISABLE)
{
disableMPU();
configureMpuRegionToAccessAllMemoryWithNoCaching();
enableMPU();
}
if (MRI_ENABLE)
{
__mriInit(MRI_INIT_PARAMETERS);
if (MRI_BREAK_ON_INIT)
__debugbreak();
}
// MemoryPool stuff - needs to be initialised before __libc_init_array
// so static ctors can use them
extern uint8_t __AHB0_dyn_start;
extern uint8_t __AHB0_end;
extern uint8_t __AHB1_dyn_start;
extern uint8_t __AHB1_end;
MemoryPool _AHB0_stack(&__AHB0_dyn_start, &__AHB0_end - &__AHB0_dyn_start);
MemoryPool _AHB1_stack(&__AHB1_dyn_start, &__AHB1_end - &__AHB1_dyn_start);
_AHB0 = &_AHB0_stack;
_AHB1 = &_AHB1_stack;
// MemoryPool init done
__libc_init_array();
mainReturnValue = main();
exit(mainReturnValue);
}
void _start(void)
{
int bssSize = (int)&__bss_end__ - (int)&__bss_start__;
int mainReturnValue;
memset(&__bss_start__, 0, bssSize);
if (MRI_ENABLE)
{
__mriInit(MRI_INIT_PARAMETERS);
if (MRI_BREAK_ON_INIT)
__debugbreak();
}
software_init_hook();
__libc_init_array();
mainReturnValue = main();
exit(mainReturnValue);
}
