/*
* @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);
}
/*
* @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;
}