changeset 421:cd77224d4224

Code load implementation... (not yet tested)
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 24 Sep 2009 16:04:23 +0900
parents 90d677a9c00b
children 960471b7ee54
files TaskManager/kernel/schedule/SchedTask.cc TaskManager/kernel/schedule/SchedTask.h TaskManager/kernel/schedule/SchedTaskList.cc TaskManager/kernel/schedule/Scheduler.cc TaskManager/kernel/schedule/Scheduler.h example/get_segment/spe/Hello.cc example/get_segment/spe/spe-main.cc
diffstat 7 files changed, 114 insertions(+), 42 deletions(-) [+]
line wrap: on
line diff
--- a/TaskManager/kernel/schedule/SchedTask.cc	Wed Sep 23 21:29:30 2009 +0900
+++ b/TaskManager/kernel/schedule/SchedTask.cc	Thu Sep 24 16:04:23 2009 +0900
@@ -11,13 +11,31 @@
 
 //#define NO_PIPELINE
 
+/**
+   Task Object を作る
+   code loading ならば、loading の終了を待つ
+ */
+
 SchedTask *
 createSchedTask(Scheduler *scheduler, TaskPtr task)
 {
+    task_list[task->command].wait(scheduler,task->command);
     return task_list[task->command].creator(scheduler);
 }
 
 
+/**
+   code load を始める。既に get_segment hash に入っていれば何もしない。
+   最初の一回は SchedTaskList:: next から呼ばれる。
+   この段階では、SchedTask object は、まだ作られてない。
+ */
+void
+loadSchedTask(Scheduler *scheduler,TaskPtr task)
+{
+    task_list[task->command].load(scheduler,task->command);
+}
+
+
 SchedTask::SchedTask()
 {
     __list        = NULL;
@@ -322,6 +340,10 @@
             return nextSched;
         } else {
             TaskPtr nextTask = &__list->tasks[__cur_index++];
+	    if (__cur_index < __list->length) {
+		// load next task
+		loadSchedTask(__scheduler, &__list->tasks[__cur_index]);
+	    }
             nextSched = createSchedTask(__scheduler, nextTask);
             ((SchedTask*)nextSched)->__init__(__list, nextTask, __cur_index,
                                               __scheduler->get_curReadBuf(),
--- a/TaskManager/kernel/schedule/SchedTask.h	Wed Sep 23 21:29:30 2009 +0900
+++ b/TaskManager/kernel/schedule/SchedTask.h	Thu Sep 24 16:04:23 2009 +0900
@@ -162,6 +162,8 @@
 const int SCHED_TASK_RENEW  = 1;
 
 extern SchedTask* createSchedTask(Scheduler *,TaskPtr);
+extern void loadSchedTask(Scheduler *scheduler,TaskPtr task);
+
 
 #endif
 
--- a/TaskManager/kernel/schedule/SchedTaskList.cc	Wed Sep 23 21:29:30 2009 +0900
+++ b/TaskManager/kernel/schedule/SchedTaskList.cc	Thu Sep 24 16:04:23 2009 +0900
@@ -67,6 +67,8 @@
 
     } else {
 	TaskPtr nextTask = &list->tasks[0];
+	// code load を開始する。
+	loadSchedTask(scheduler, nextTask);
 	nextSched = createSchedTask(scheduler, nextTask);
 
 	if (flag_renewTaskList == SCHED_TASKLIST_RENEW) {
--- a/TaskManager/kernel/schedule/Scheduler.cc	Wed Sep 23 21:29:30 2009 +0900
+++ b/TaskManager/kernel/schedule/Scheduler.cc	Thu Sep 24 16:04:23 2009 +0900
@@ -325,16 +325,63 @@
     return mainMemList[id];
 }
 
+/** 
+ *  Task load API
+ */
 
-/**
- * 本当は Scheduler クラスに入れるべきなんだろうか。。。
- * なんか手抜きの感がある
- */
-void register_task(int cmd, TaskObjectCreator creator)
+static void
+load_task(Scheduler *m, int task_id)
+{
+    MemorySegment *s = m->get_segment(
+	task_list[task_id].location, 
+	m->code_segment_pool);
+    task_list[task_id].segment = s;
+}
+
+static void
+null_loader(Scheduler *m, int task_id)
+{
+}
+
+static void
+wait_load(Scheduler *m, int task_id)
+{
+    // wait for code segment load
+    m->wait_segment(task_list[task_id].segment);
+    // calcurate call address
+    TaskObjectCreator creator = 
+        (TaskObjectCreator)(
+            (char*)task_list[task_id].segment->data +
+            task_list[task_id].entry_offset);
+    task_list[task_id].creator = creator;
+}
+
+static void
+null_waiter(Scheduler *m, int task_id)
+{
+}
+
+extern void 
+register_task(int cmd, TaskObjectCreator creator)
 {
     task_list[cmd].creator = creator;
+    task_list[cmd].load = null_loader;
+    task_list[cmd].wait = null_waiter;
 }
 
+extern void 
+register_dynamic_task(int cmd, 
+    memaddr start, memaddr end, int entry_offset)
+{
+    task_list[cmd].creator = 0;
+    task_list[cmd].location = start;
+    task_list[cmd].end = end;
+    task_list[cmd].entry_offset = entry_offset;
+    task_list[cmd].load = load_task;
+    task_list[cmd].wait = wait_load;
+}
+
+
 /*!
 
   size 単位のMemory Segment を count 個作る
@@ -405,6 +452,7 @@
     return s;
 }
 
+
 uint32
 Scheduler::get_tag()
 {
--- a/TaskManager/kernel/schedule/Scheduler.h	Wed Sep 23 21:29:30 2009 +0900
+++ b/TaskManager/kernel/schedule/Scheduler.h	Thu Sep 24 16:04:23 2009 +0900
@@ -90,13 +90,21 @@
     /* MainMemory Allocate Command List */
     void* mainMemList[MAX_MAINMEM_AREA];
 
+    /* Code Area */
+    MemList *code_segment_pool;
+
     // Task Object Table
     //  this is named TaskObject but it is not an object.
     //  It is a pointer to an object creation function
+    //  大きいので、SPEには置かない方が本当は良い...
     typedef struct {
 	TaskObjectCreator creator;
 	uint64 location;            // location address in a.out
+	uint64 end;            
 	uint32 entry_offset;        // offset for create();
+	MemorySegment *segment;
+	void (*load)(Scheduler *,int);
+	void (*wait)(Scheduler *,int);
     } TaskObject, *TaskObjectPtr;
 
     DmaManager* connector;
@@ -144,6 +152,8 @@
     void *mainMem_get(int id);
 
     MemorySegment * get_segment(memaddr addr, MemList *m);
+    MemorySegment * Scheduler::load_task(memaddr task);
+
     virtual uint32 get_tag();
     void put_segment(MemorySegment *s);
     void wait_segment(MemorySegment *s);
@@ -161,26 +171,43 @@
 };
 
 extern void register_task(int cmd, TaskObjectCreator creator);
+extern void register_dynamic_task(int cmd, TaskObjectCreator creator,
+    memaddr start, memaddr end, int entry_offset);
 
 #endif
 
 
 #define SchedConstructor(str)                                           \
-    str() {}                                                        \
+    str() {}                                                            \
     BASE_NEW_DELETE(str)                                                \
 
 #define SchedDefineTask(str)                                            \
-    SchedTask* createTask_##str(Scheduler *manager)                   \
+    SchedTask* createTask_##str(Scheduler *manager)   \
     {                                                                   \
         return new str();                                               \
     }
 
 #define SchedExternTask(str)                                            \
-    extern                                                              \
-    SchedTask* createTask_##str(Scheduler *manager);
+    extern SchedTask* createTask_##str(Scheduler *manager)   ;
 
 #define SchedRegisterTask(cmd, str)             \
     register_task(cmd, createTask_##str);
 
+#define SchedDefineDynamicTask(str,segment)                             \
+    SchedTask* createTask_##str(Scheduler *manager)    \
+    {                                                                   \
+        return new str();                                               \
+    }
+
+#define SchedExternDynamicTask(str,segment)                             \
+    extern memaddr __load_start_##segment,                             \
+           memaddr __loat_stop_##segment,                              \
+           spe_load_entry;                                             \
+    extern SchedTask* createTask_##str(Scheduler *manager)
+
+
+#define SchedRegisterDynamicTask(cmd, str, segment)                    \
+    register_dynamic_task(cmd,  __load_start_##segment, __loat_stop_##segment, createTask__#str-spe_load_entry);
+
 
 /* end */
--- a/example/get_segment/spe/Hello.cc	Wed Sep 23 21:29:30 2009 +0900
+++ b/example/get_segment/spe/Hello.cc	Thu Sep 24 16:04:23 2009 +0900
@@ -3,7 +3,7 @@
 #include "Func.h"
 
 /* これは必須 */
-SchedDefineTask(Hello);
+SchedDefineDynamicTask(Hello,Segment1);
 
 #define PP_STORE 3
 #define SIZE (4096*sizeof(int))
@@ -12,37 +12,8 @@
 Hello::run(void *rbuf, void *wbuf)
 {
     int task_id = get_param(0);
-    int *ptr = 0;
-#if 1
-    ptr = (int*)smanager->allocate(SIZE);
-
-    smanager->mainMem_alloc(0, SIZE);
-
-    int i;
-    for(i=0;i<4096;i++) {
-	ptr[i] = i;
-    }
-#endif
 
-    memaddr *next = 0;
-#if 1
-    smanager->mainMem_wait();
-    next = (memaddr*)smanager->mainMem_get(0);
+    fprintf(stderr,"Hello!\n");
 
-    smanager->dma_wait(PP_STORE);
-    smanager->dma_store(ptr, (uint32)next,
-		SIZE, PP_STORE);
-    smanager->dma_wait(PP_STORE);
-    uint32 wait_id = smanager->get_segment(next, SIZE);
-    void* cur = smanager->wait_segment(wait_id);
-    //smanager->put_segment(wait_id);
-    //comparePtr *next;
-#endif
-
-
-    fprintf(stderr,"sizeof(int) = [%d] sizeof(void*)=[%d]\n", (int)sizeof(int),(int)sizeof(void*));
-    fprintf(stderr,"[%d] Main Mem %0x len %d\n", task_id, (unsigned int)next,(int)SIZE);
-
-    free(ptr);
     return 0;
 }
--- a/example/get_segment/spe/spe-main.cc	Wed Sep 23 21:29:30 2009 +0900
+++ b/example/get_segment/spe/spe-main.cc	Thu Sep 24 16:04:23 2009 +0900
@@ -1,7 +1,7 @@
 #include "Func.h"
 #include "Scheduler.h"
 
-SchedExternTask(Hello);
+SchedExternDynamicTask(Hello);
 
 /**
  * この関数は SpeScheduler から呼ばれるので
@@ -10,5 +10,5 @@
 void
 task_init(void)
 {
-    SchedRegisterTask(HELLO_TASK, Hello);
+    SchedRegisterDynamicTask(HELLO_TASK, Hello, Segment1);
 }