libs/rt-thread-official
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rt-thread-official
mirror of https://github.com/RT-Thread/rt-thread.git
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module update 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@905 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
qiuyiuestc 2010-09-13 01:03:09 +00:00
parent e78285e76f
commit d54f2bbfc6
2 changed files with 60 additions and 20 deletions
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5
src/idle.c
View File

@ -105,10 +105,9 @@ void rt_thread_idle_excute(void)
module->module_thread = RT_NULL;
}
/* if sub thread list and main thread are null */
/* if sub thread list and main thread are all enmpy */
if((module->module_thread == RT_NULL) &&
rt_list_isempty(&module->module_object[RT_Object_Class_Thread].object_list) &&
(module->module_info->module_type == RT_Module_Class_APP))
rt_list_isempty(&module->module_object[RT_Object_Class_Thread].object_list) )
{
/* unload module */
rt_module_unload(module);

59
src/module.c
View File

@ -37,7 +37,18 @@
struct rt_module* rt_current_module;
int rt_module_arm_relocate(struct rt_module* module, Elf32_Rel *rel, Elf32_Addr sym_val)
/**
* This function will return self module object
*
* @return the self thread object
*
*/
rt_module_t rt_module_self (void)
{
return rt_current_module;
}
static int rt_module_arm_relocate(struct rt_module* module, Elf32_Rel *rel, Elf32_Addr sym_val)
{
Elf32_Addr *where, tmp;
Elf32_Sword addend;
@ -150,7 +161,16 @@ static void rt_module_init_object_container(struct rt_module* module)
module->module_object[RT_Object_Class_Timer].type = RT_Object_Class_Timer;
}
struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
/**
* This function will load a module from memory and create a thread for it
*
* @param name the name of module, which shall be unique
* @param module_ptr the memory address of module image
*
* @return the module object
*
*/
rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr)
{
rt_uint32_t index;
rt_uint32_t module_size = 0;
@ -160,12 +180,11 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
#ifdef RT_MODULE_DEBUG
rt_kprintf("rt_module_load: %s\n", name);
#endif
/* check ELF header */
if (rt_memcmp(elf_module->e_ident, RTMMAG, SELFMAG) != 0 ||
elf_module->e_ident[EI_CLASS] != ELFCLASS32)
{
rt_kprintf(" wrong magic\n");
rt_kprintf(" module magic error\n");
return RT_NULL;
}
@ -176,7 +195,11 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
module_size += phdr[index].p_memsz;
}
if (module_size == 0) return module;
if (module_size == 0)
{
rt_kprintf(" module size error\n");
return module;
}
/* allocate module */
module = (struct rt_module *)rt_object_allocate(RT_Object_Class_Module, (const char*)name);
@ -240,18 +263,27 @@ struct rt_module* rt_module_load(void* module_ptr, const rt_uint8_t* name)
/* init module object container */
rt_module_init_object_container(module);
module->stack_size = 512;
module->thread_priority = 90;
module->module_thread = rt_thread_create(name,
module->module_entry, RT_NULL,
512, 90, 10);
module->stack_size,
module->thread_priority, 10);
module->module_thread->module_parent = module;
rt_thread_startup(module->module_thread);
rt_free(module_ptr);
return module;
}
void rt_module_unload(struct rt_module* module)
/**
* This function will unload a module from memory and release resources
*
* @param module the module to be unloaded
*
* @return the operation status, RT_EOK on OK; -RT_ERROR on error
*
*/
rt_err_t rt_module_unload(rt_module_t module)
{
int i;
struct rt_object* object;
@ -287,8 +319,17 @@ void rt_module_unload(struct rt_module* module)
/* release module memory */
rt_free(module->module_space);
rt_object_delete((struct rt_object *)module);
return RT_EOK;
}
/**
* This function will find the specified module.
*
* @param name the name of module finding
*
* @return the module
*/
rt_module_t rt_module_find(char* name)
{
struct rt_object_information *information;