C++ (Cpp) finsh_system_var_init示例

示例#1

文件： shell.c 项目： wuhaixiang/VoiceCode

/*
 * @ingroup finsh
 *
 * This function will initialize finsh shell
 */
void finsh_system_init(void)
{
	rt_err_t result;

#ifdef FINSH_USING_SYMTAB
#ifdef __CC_ARM                 /* ARM C Compiler */
    extern const int FSymTab$$Base;
    extern const int FSymTab$$Limit;
    extern const int VSymTab$$Base;
    extern const int VSymTab$$Limit;
	finsh_system_function_init(&FSymTab$$Base, &FSymTab$$Limit);
	finsh_system_var_init(&VSymTab$$Base, &VSymTab$$Limit);
#elif defined (__ICCARM__)      /* for IAR Compiler */
    finsh_system_function_init(__section_begin("FSymTab"),
                               __section_end("FSymTab"));
    finsh_system_var_init(__section_begin("VSymTab"),
                          __section_end("VSymTab"));
#elif defined (__GNUC__)        /* GNU GCC Compiler */
	extern const int __fsymtab_start;
	extern const int __fsymtab_end;
	extern const int __vsymtab_start;
	extern const int __vsymtab_end;
	finsh_system_function_init(&__fsymtab_start, &__fsymtab_end);
	finsh_system_var_init(&__vsymtab_start, &__vsymtab_end);
#endif
#endif

	/* create or set shell structure */
#ifdef RT_USING_HEAP
	shell = (struct finsh_shell*)rt_malloc(sizeof(struct finsh_shell));
#else
	shell = &_shell;
#endif
	if (shell == RT_NULL)
	{
		rt_kprintf("no memory for shell\n");
		return;
	}
	
	memset(shell, 0, sizeof(struct finsh_shell));

	rt_sem_init(&(shell->rx_sem), "shrx", 0, 0);
	result = rt_thread_init(&finsh_thread,
		"tshell",
		finsh_thread_entry, RT_NULL,
		&finsh_thread_stack[0], sizeof(finsh_thread_stack),
		FINSH_THREAD_PRIORITY, 10);

	if (result == RT_EOK)
		rt_thread_startup(&finsh_thread);
}

示例#2

文件： shell.c 项目： alandigi/rt-thread

/*
 * @ingroup finsh
 *
 * This function will initialize finsh shell
 */
int finsh_system_init(void)
{
	rt_err_t result;

#ifdef FINSH_USING_SYMTAB
#ifdef __CC_ARM                 /* ARM C Compiler */
    extern const int FSymTab$$Base;
    extern const int FSymTab$$Limit;
    extern const int VSymTab$$Base;
    extern const int VSymTab$$Limit;
	finsh_system_function_init(&FSymTab$$Base, &FSymTab$$Limit);
	finsh_system_var_init(&VSymTab$$Base, &VSymTab$$Limit);
#elif defined (__ICCARM__)      /* for IAR Compiler */
    finsh_system_function_init(__section_begin("FSymTab"),
                               __section_end("FSymTab"));
    finsh_system_var_init(__section_begin("VSymTab"),
                          __section_end("VSymTab"));
#elif defined (__GNUC__) || defined(__TI_COMPILER_VERSION__)
    /* GNU GCC Compiler and TI CCS */
	extern const int __fsymtab_start;
	extern const int __fsymtab_end;
	extern const int __vsymtab_start;
	extern const int __vsymtab_end;
	finsh_system_function_init(&__fsymtab_start, &__fsymtab_end);
	finsh_system_var_init(&__vsymtab_start, &__vsymtab_end);
#elif defined(__ADSPBLACKFIN__) /* for VisualDSP++ Compiler */
    finsh_system_function_init(&__fsymtab_start, &__fsymtab_end);
    finsh_system_var_init(&__vsymtab_start, &__vsymtab_end);
#elif defined(_MSC_VER)
	unsigned int *ptr_begin, *ptr_end;

	ptr_begin = (unsigned int*)&__fsym_begin; ptr_begin += (sizeof(struct finsh_syscall)/sizeof(unsigned int));
	while (*ptr_begin == 0) ptr_begin ++;

	ptr_end = (unsigned int*) &__fsym_end; ptr_end --;
	while (*ptr_end == 0) ptr_end --;

	finsh_system_function_init(ptr_begin, ptr_end);
#endif
#endif

	/* create or set shell structure */
#ifdef RT_USING_HEAP
	shell = (struct finsh_shell*)rt_malloc(sizeof(struct finsh_shell));
#else
	shell = &_shell;
#endif
	if (shell == RT_NULL)
	{
		rt_kprintf("no memory for shell\n");
		return -1;
	}
	
	memset(shell, 0, sizeof(struct finsh_shell));

	rt_sem_init(&(shell->rx_sem), "shrx", 0, 0);
	result = rt_thread_init(&finsh_thread,
		"tshell",
		finsh_thread_entry, RT_NULL,
		&finsh_thread_stack[0], sizeof(finsh_thread_stack),
		FINSH_THREAD_PRIORITY, 10);

	if (result == RT_EOK)
		rt_thread_startup(&finsh_thread);
	return 0;
}