// Activate the bootloader without BOOT* pins.
STATIC NORETURN mp_obj_t machine_bootloader(void) {
pyb_usb_dev_deinit();
storage_flush();
HAL_RCC_DeInit();
HAL_DeInit();
#if defined(MCU_SERIES_F7)
// arm-none-eabi-gcc 4.9.0 does not correctly inline this
// MSP function, so we write it out explicitly here.
//__set_MSP(*((uint32_t*) 0x1FF00000));
__ASM volatile ("movw r3, #0x0000\nmovt r3, #0x1FF0\nldr r3, [r3, #0]\nMSR msp, r3\n" : : : "r3", "sp");
((void (*)(void)) *((uint32_t*) 0x1FF00004))();
#else
__HAL_REMAPMEMORY_SYSTEMFLASH();
// arm-none-eabi-gcc 4.9.0 does not correctly inline this
// MSP function, so we write it out explicitly here.
//__set_MSP(*((uint32_t*) 0x00000000));
__ASM volatile ("movs r3, #0\nldr r3, [r3, #0]\nMSR msp, r3\n" : : : "r3", "sp");
((void (*)(void)) *((uint32_t*) 0x00000004))();
#endif
while (1);
}
int FLASHPlugin_Unload()
{
BSP_QSPI_DeInit();
HAL_DeInit();
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
for (int i = 0; i < sizeof(NVIC->ICER) / sizeof(NVIC->ICER[0]); i++)
NVIC->ICER[0] = -1;
return 0;
}
