/*
 * Copyright (c) 2006-2020, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2020-09-25     armink       the first version
 */

#include <rthw.h>
#include <rtthread.h>
#include "w25qxx.h"

void rt_application_init(void);
void rt_hw_board_init(void);
int rtthread_startup(void);

#if defined(__CC_ARM) || defined(__CLANG_ARM)
extern int $Super$$main(void);
/* re-define main function */
int $Sub$$main(void)
{
    rtthread_startup();
    return 0;
}
#elif defined(__ICCARM__)
extern int main(void);
/* __low_level_init will auto called by IAR cstartup */
extern void __iar_data_init3(void);
int __low_level_init(void)
{
    // call IAR table copy function.
    __iar_data_init3();
    rtthread_startup();
    return 0;
}
#elif defined(__GNUC__)
/* Add -eentry to arm-none-eabi-gcc argument */
int entry(void)
{
    rtthread_startup();
    return 0;
}
#endif

#ifndef RT_USING_HEAP
/* if there is not enable heap, we should use static thread and stack. */
ALIGN(8)
static rt_uint8_t main_stack[RT_MAIN_THREAD_STACK_SIZE];
struct rt_thread main_thread;
#endif

/* the system main thread */
void main_thread_entry(void *parameter)
{
    extern int main(void);
    extern int $Super$$main(void);

#ifdef RT_USING_COMPONENTS_INIT
    /* RT-Thread components initialization */
    rt_components_init();
#endif
#ifdef RT_USING_SMP
    rt_hw_secondary_cpu_up();
#endif
    /* invoke system main function */
#if defined(__CC_ARM) || defined(__CLANG_ARM)
    $Super$$main(); /* for ARMCC. */
#elif defined(__ICCARM__) || defined(__GNUC__)
    main();
#endif
}

void rt_application_init(void)
{
    rt_thread_t tid;

#ifdef RT_USING_HEAP
    tid = rt_thread_create("main", main_thread_entry, RT_NULL,
                           2048, 10, 20);
    RT_ASSERT(tid != RT_NULL);
#else
    rt_err_t result;

    tid = &main_thread;
    result = rt_thread_init(tid, "main", main_thread_entry, RT_NULL,
                            main_stack, sizeof(main_stack), RT_MAIN_THREAD_PRIORITY, 20);
    RT_ASSERT(result == RT_EOK);

    /* if not define RT_USING_HEAP, using to eliminate the warning */
    (void)result;
#endif

    rt_thread_startup(tid);
}

void art_pi_boot_show_logo(void)
{
    rt_kprintf("\n   ___  ______  _____         ______  _   ______  _____  _____  _____ \n");
    rt_kprintf("  / _ \\ | ___ \\|_   _|        | ___ \\(_)  | ___ \\/  _  \\/  _  \\|_   _|\n");
    rt_kprintf(" / /_\\ \\| |_/ /  | |   ______ | |_/ / _   | |_/ /| | | || | | |  | |  \n");
    rt_kprintf(" |  _  ||    /   | |  |______||  __/ | |  | ___ \\| | | || | | |  | |  \n");
    rt_kprintf(" | | | || |\\ \\   | |          | |    | |  | |_/ /\\ \\_/ /\\ \\_/ /  | |  \n");
    rt_kprintf(" \\_| |_/\\_| \\_|  \\_/          \\_|    |_|  \\____/  \\___/  \\___/   \\_/  \n");
    rt_kprintf("\n Powered by RT-Thread.\n\n");
}

int rtthread_startup(void)
{
    rt_hw_interrupt_disable();

    /* board level initialization
     * NOTE: please initialize heap inside board initialization.
     */
    rt_hw_board_init();

    /* show bootloader bar */
    art_pi_boot_show_logo();

    /* timer system initialization */
    rt_system_timer_init();

    /* scheduler system initialization */
    rt_system_scheduler_init();

#ifdef RT_USING_SIGNALS
    /* signal system initialization */
    rt_system_signal_init();
#endif

    /* create init_thread */
    rt_application_init();

    /* timer thread initialization */
    rt_system_timer_thread_init();

    /* idle thread initialization */
    rt_thread_idle_init();

#ifdef RT_USING_SMP
    rt_hw_spin_lock(&_cpus_lock);
#endif /*RT_USING_SMP*/

#ifndef FIRMWARE_EXEC_USING_QEMU
    MX_QUADSPI_Init();

    W25QXX_ExitQPIMode();
    W25QXX_Reset();
#endif
    
    /* start scheduler */
    rt_system_scheduler_start();

    /* never reach here */
    return 0;
}