mirror of
https://github.com/flyingcys/realtek_ameba.git
synced 2024-11-01 09:54:16 +00:00
135 lines
2.9 KiB
C
135 lines
2.9 KiB
C
/*
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* Routines to access hardware
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*
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* Copyright (c) 2013 Realtek Semiconductor Corp.
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*
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* This module is a confidential and proprietary property of RealTek and
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* possession or use of this module requires written permission of RealTek.
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*/
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#include "ameba_soc.h"
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#include "build_info.h"
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#include <rtthread.h>
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#ifndef RT_MAIN_THREAD_STACK_SIZE
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#define RT_MAIN_THREAD_STACK_SIZE 2048
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#endif
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#ifndef RT_USING_HEAP
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/* if there is not enable heap, we should use static thread and stack. */
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ALIGN(8)
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static rt_uint8_t main_stack[RT_MAIN_THREAD_STACK_SIZE];
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struct rt_thread main_thread;
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#endif
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/* the system main thread */
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void main_thread_entry(void *parameter)
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{
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extern int main(void);
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extern int $Super$$main(void);
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/* RT-Thread components initialization */
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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_init();
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#endif
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/* invoke system main function */
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#if defined (__CC_ARM)
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$Super$$main(); /* for ARMCC. */
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#elif defined(__ICCARM__) || defined(__GNUC__)
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main();
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#endif
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}
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void rt_application_init(void)
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{
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rt_thread_t tid;
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#ifdef RT_USING_HEAP
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tid = rt_thread_create("main", main_thread_entry, RT_NULL,
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RT_MAIN_THREAD_STACK_SIZE, RT_THREAD_PRIORITY_MAX / 3, 20);
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RT_ASSERT(tid != RT_NULL);
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#else
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rt_err_t result;
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tid = &main_thread;
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result = rt_thread_init(tid, "main", main_thread_entry, RT_NULL,
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main_stack, sizeof(main_stack), RT_THREAD_PRIORITY_MAX / 3, 20);
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RT_ASSERT(result == RT_EOK);
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/* if not define RT_USING_HEAP, using to eliminate the warning */
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(void)result;
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#endif
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rt_thread_startup(tid);
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}
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int rtthread_startup(void)
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{
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rt_hw_interrupt_disable();
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/* board level initalization
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* NOTE: please initialize heap inside board initialization.
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*/
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rt_hw_board_init();
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/* show RT-Thread version */
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rt_show_version();
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/* timer system initialization */
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rt_system_timer_init();
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/* scheduler system initialization */
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rt_system_scheduler_init();
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#ifdef RT_USING_SIGNALS
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/* signal system initialization */
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rt_system_signal_init();
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#endif
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/* create init_thread */
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rt_application_init();
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/* timer thread initialization */
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rt_system_timer_thread_init();
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/* idle thread initialization */
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rt_thread_idle_init();
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/* start scheduler */
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rt_system_scheduler_start();
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/* never reach here */
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return 0;
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}
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void APP_Start(void)
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{
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#if CONFIG_SOC_PS_MODULE
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SOCPS_InitSYSIRQ();
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#endif
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extern void PendSV_Handler(void);
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extern void SysTick_Handler(void);
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InterruptForOSInit((VOID*)NULL,
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(VOID*)PendSV_Handler,
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(VOID*)SysTick_Handler);
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#if defined ( __ICCARM__ )
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__iar_cstart_call_ctors(NULL);
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#endif
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// force SP align to 8 byte not 4 byte (initial SP is 4 byte align)
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__asm(
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"mov r0, sp\n"
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"bic r0, r0, #7\n"
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"mov sp, r0\n"
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);
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/* disable interrupt first */
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rt_hw_interrupt_disable();
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/* startup RT-Thread RTOS */
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rtthread_startup();
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}
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