[星火一号] 代码模板, 手动写启动代码, 开机后 snprintf 不能处理 %llu 了, 是有什么配置上的冲突吗?

void entry_init()
{
    __disable_irq();
    //SCB_EnableICache();
    //SCB_EnableDCache();
    HAL_Init(); //stm32f4xx_hal.c
    Config_Clock();
    HAL_UART_Init(&uart1_runtime_handle);
    char stackchars[128];
    for(int64_t t=0;t<100;t++)
    {
        snprintf(stackchars, sizeof(stackchars), "Welcome %llu\r\n",++t);
        for (const char* msg=stackchars;; msg++)
        {
            char c = *msg;
            if (!c)
                break;
            uart1_runtime_handle.Instance->DR = c;
            while (__HAL_UART_GET_FLAG(&uart1_runtime_handle, UART_FLAG_TC) == RESET);
        }
    }
}