app module for simulator: add the missing module_win32.c

bsp/simulator/applications/module_win32.c

+/*
+ * File      : module.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2013-02-26     prife        first version for win32
+ */
+
+#include <rthw.h>
+#include <rtthread.h>
+#include <rtm.h>
+
+#ifdef RT_USING_MODULE
+static void rt_module_init_object_container(struct rt_module *module)
+{
+    RT_ASSERT(module != RT_NULL);
+
+    /* initialize object container - thread */
+    rt_list_init(&(module->module_object[RT_Object_Class_Thread].object_list));
+    module->module_object[RT_Object_Class_Thread].object_size = sizeof(struct rt_thread);
+    module->module_object[RT_Object_Class_Thread].type = RT_Object_Class_Thread;
+
+#ifdef RT_USING_SEMAPHORE
+    /* initialize object container - semaphore */
+    rt_list_init(&(module->module_object[RT_Object_Class_Semaphore].object_list));
+    module->module_object[RT_Object_Class_Semaphore].object_size = sizeof(struct rt_semaphore);
+    module->module_object[RT_Object_Class_Semaphore].type = RT_Object_Class_Semaphore;
+#endif
+
+#ifdef RT_USING_MUTEX
+    /* initialize object container - mutex */
+    rt_list_init(&(module->module_object[RT_Object_Class_Mutex].object_list));
+    module->module_object[RT_Object_Class_Mutex].object_size = sizeof(struct rt_mutex);
+    module->module_object[RT_Object_Class_Mutex].type = RT_Object_Class_Mutex;
+#endif
+
+#ifdef RT_USING_EVENT
+    /* initialize object container - event */
+    rt_list_init(&(module->module_object[RT_Object_Class_Event].object_list));
+    module->module_object[RT_Object_Class_Event].object_size = sizeof(struct rt_event);
+    module->module_object[RT_Object_Class_Event].type = RT_Object_Class_Event;
+#endif
+
+#ifdef RT_USING_MAILBOX
+    /* initialize object container - mailbox */
+    rt_list_init(&(module->module_object[RT_Object_Class_MailBox].object_list));
+    module->module_object[RT_Object_Class_MailBox].object_size = sizeof(struct rt_mailbox);
+    module->module_object[RT_Object_Class_MailBox].type = RT_Object_Class_MailBox;
+#endif
+
+#ifdef RT_USING_MESSAGEQUEUE
+    /* initialize object container - message queue */
+    rt_list_init(&(module->module_object[RT_Object_Class_MessageQueue].object_list));
+    module->module_object[RT_Object_Class_MessageQueue].object_size = sizeof(struct rt_messagequeue);
+    module->module_object[RT_Object_Class_MessageQueue].type = RT_Object_Class_MessageQueue;
+#endif
+
+#ifdef RT_USING_MEMHEAP
+    /* initialize object container - memory heap */
+    rt_list_init(&(module->module_object[RT_Object_Class_MemHeap].object_list));
+    module->module_object[RT_Object_Class_MemHeap].object_size = sizeof(struct rt_memheap);
+    module->module_object[RT_Object_Class_MemHeap].type = RT_Object_Class_MemHeap;
+#endif
+
+#ifdef RT_USING_MEMPOOL
+    /* initialize object container - memory pool */
+    rt_list_init(&(module->module_object[RT_Object_Class_MemPool].object_list));
+    module->module_object[RT_Object_Class_MemPool].object_size = sizeof(struct rt_mempool);
+    module->module_object[RT_Object_Class_MemPool].type = RT_Object_Class_MemPool;
+#endif
+
+#ifdef RT_USING_DEVICE
+    /* initialize object container - device */
+    rt_list_init(&(module->module_object[RT_Object_Class_Device].object_list));
+    module->module_object[RT_Object_Class_Device].object_size = sizeof(struct rt_device);
+    module->module_object[RT_Object_Class_Device].type = RT_Object_Class_Device;
+#endif
+
+    /* initialize object container - timer */
+    rt_list_init(&(module->module_object[RT_Object_Class_Timer].object_list));
+    module->module_object[RT_Object_Class_Timer].object_size = sizeof(struct rt_timer);
+    module->module_object[RT_Object_Class_Timer].type = RT_Object_Class_Timer;
+}
+
+#ifdef RT_USING_HOOK
+static void (*rt_module_load_hook)(rt_module_t module);
+static void (*rt_module_unload_hook)(rt_module_t module);
+
+/**
+ * @addtogroup Hook
+ */
+
+/*@{*/
+
+/**
+ * This function will set a hook function, which will be invoked when module
+ * be loaded to system.
+ *
+ * @param hook the hook function
+ */
+void rt_module_load_sethook(void (*hook)(rt_module_t module))
+{
+    rt_module_load_hook = hook;
+}
+
+/**
+ * This function will set a hook function, which will be invoked when module
+ * be unloaded from system.
+ *
+ * @param hook the hook function
+ */
+void rt_module_unload_sethook(void (*hook)(rt_module_t module))
+{
+    rt_module_unload_hook = hook;
+}
+
+/*@}*/
+#endif
+
+/**
+ * @ingroup SystemInit
+ *
+ * This function will initialize system module
+ */
+void rt_system_module_init(void)
+{
+}
+
+/**
+ * This function will return self module object
+ *
+ * @return the self module object
+ */
+rt_module_t rt_module_self(void)
+{
+    rt_thread_t tid;
+
+    tid = rt_thread_self();
+    if (tid == RT_NULL)
+        return RT_NULL;
+
+    /* return current module */
+    return (rt_module_t)tid->module_id;
+}
+
+/**
+ * This function will find the specified module.
+ *
+ * @param name the name of module finding
+ *
+ * @return the module
+ */
+rt_module_t rt_module_find(const char *name)
+{
+    struct rt_object_information *information;
+    struct rt_object *object;
+    struct rt_list_node *node;
+
+    extern struct rt_object_information rt_object_container[];
+
+    RT_DEBUG_NOT_IN_INTERRUPT;
+
+    /* enter critical */
+    rt_enter_critical();
+
+    /* try to find device object */
+    information = &rt_object_container[RT_Object_Class_Module];
+    for (node = information->object_list.next;
+        node != &(information->object_list);
+        node = node->next)
+    {
+        object = rt_list_entry(node, struct rt_object, list);
+        if (rt_strncmp(object->name, name, RT_NAME_MAX) == 0)
+        {
+            /* leave critical */
+            rt_exit_critical();
+
+            return (rt_module_t)object;
+        }
+    }
+
+    /* leave critical */
+    rt_exit_critical();
+
+    /* not found */
+    return RT_NULL;
+}
+
+#ifdef RT_USING_DFS
+#include <windows.h>
+#include <dfs_posix.h>
+extern char * dfs_win32_dirdup(char * path);
+static char* _module_name(const char *path)
+{
+    const char *first, *end, *ptr;
+    char *name;
+    int size;
+
+    ptr   = (char *)path;
+    first = ptr;
+    end   = path + rt_strlen(path);
+
+    while (*ptr != '\0')
+    {
+        if (*ptr == '/')
+            first = ptr + 1;
+        if (*ptr == '.')
+            end = ptr - 1;
+
+        ptr ++;
+    }
+
+    size = end - first + 1;
+    name = rt_malloc(size);
+    rt_strncpy(name, first, size);
+    name[size] = '\0';
+
+    return name;
+}
+
+typedef int (*appentry_t)(void);
+/**
+ * This function will load a module from a file
+ *
+ * @param path the full path of application module
+ *
+ * @return the module object
+ */
+rt_module_t rt_module_open(const char *path)
+{
+    struct dfs_filesystem *fs;
+    appentry_t fptr;
+    HINSTANCE hinstlib;
+    int len;
+    char * winpath;
+    rt_module_t module;
+    char * name;
+
+    RT_DEBUG_NOT_IN_INTERRUPT;
+
+    /* check parameters */
+    RT_ASSERT(path != RT_NULL);
+
+    /* app module should only in DFS_WIN32 */
+    fs = dfs_filesystem_lookup(path);
+    if ((fs == RT_NULL) || (strcmp(fs->ops->name,"wdir") != 0))
+    {
+        rt_kprintf("invalid path: %s\n", path);
+        return RT_NULL;
+    }
+
+    /* change path */
+    len = strlen(path+1);
+    if ((winpath = dfs_win32_dirdup((char *)path)) == RT_NULL)
+    {
+        rt_kprintf("out of memory, exit", path);
+        return RT_NULL;
+    }
+
+    hinstlib = LoadLibrary(winpath);
+    if (hinstlib == NULL)
+    {
+        rt_kprintf("error: unable to open %s\n", winpath);
+        return RT_NULL;
+    }
+
+    fptr = (appentry_t)GetProcAddress(hinstlib, "main");
+    if (fptr == NULL)
+    {
+        rt_kprintf("error: unable to find function in %s\n", winpath);
+        FreeLibrary(hinstlib);
+        return RT_NULL;
+    }
+
+    /* get the name of the module */
+    name = _module_name(path);
+
+    /* allocate module */
+    module = (struct rt_module *)rt_object_allocate(RT_Object_Class_Module,
+        name);
+    if (!module)
+        return RT_NULL;
+
+    module->nref = 0;
+    module->module_entry = fptr;
+
+    /* init module object container */
+    rt_module_init_object_container(module);
+
+    /* increase module reference count */
+    module->nref ++;
+
+    if (module->module_entry != 0)
+    {
+        rt_uint32_t *stack_size;
+        rt_uint8_t  *priority;
+
+#ifdef RT_USING_SLAB
+        /* init module memory allocator */
+        module->mem_list = RT_NULL;
+
+        /* create page array */
+        module->page_array = 
+            (void *)rt_malloc(PAGE_COUNT_MAX * sizeof(struct rt_page_info));
+        module->page_cnt = 0;
+#endif
+
+        /* get the main thread stack size */
+        module->stack_size = 2048;
+        module->thread_priority = RT_THREAD_PRIORITY_MAX - 2;
+
+        /* create module thread */
+        module->module_thread =
+            rt_thread_create(name,
+            (void(*)(void *))module->module_entry,
+            RT_NULL,
+            module->stack_size,
+            module->thread_priority,
+            10);
+
+        RT_DEBUG_LOG(RT_DEBUG_MODULE, ("thread entry 0x%x\n",
+            module->module_entry));
+
+        /* set module id */
+        module->module_thread->module_id = (void *)module;
+        module->parent.flag = RT_MODULE_FLAG_WITHENTRY;
+
+        /* startup module thread */
+        rt_thread_startup(module->module_thread);
+    }
+    else
+    {
+        /* without entry point */
+        module->parent.flag |= RT_MODULE_FLAG_WITHOUTENTRY;
+    }
+
+#ifdef RT_USING_HOOK
+    if (rt_module_load_hook != RT_NULL)
+    {
+        rt_module_load_hook(module);
+    }
+#endif
+
+    rt_free(name);
+    return module;
+    /* FreeLibrary(hinstlib); */
+}
+
+#if defined(RT_USING_FINSH)
+#include <finsh.h>
+
+FINSH_FUNCTION_EXPORT_ALIAS(rt_module_open, exec, exec module from a file);
+#endif
+
+#endif
+
+rt_err_t rt_module_destroy(rt_module_t module)
+{
+    return 0;
+}
+#endif