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This commit is contained in:
Bahadir Balban
2008-03-05 01:59:31 +00:00
parent 58b833dd7f
commit 5681f3d1cb
10 changed files with 209 additions and 219 deletions
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49
tasks/mm0/src/task.c
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@@ -41,36 +41,20 @@ struct tcb *find_task(int tid)
return 0;
}
#if 0
void dump_tasks(void)
struct tcb *tcb_alloc_init(void)
{
struct tcb *t;
struct tcb *task;
list_for_each_entry(t, &tcb_head.list, list) {
printf("Task %s: id/spid: %d/%d\n", &t->name[0], t->tid, t->spid);
printf("Task vm areas:\n");
dump_vm_areas(t);
printf("Task swapfile:\n");
dump_task_swapfile(t);
}
}
#endif
struct tcb *create_init_tcb(struct tcb_head *tcbs)
{
struct tcb *task = kzalloc(sizeof(struct tcb));
if (!(task = kzalloc(sizeof(struct tcb))))
return PTR_ERR(-ENOMEM);
/* Ids will be acquired from the kernel */
task->tid = TASK_ID_INVALID;
task->spid = TASK_ID_INVALID;
/* Initialise its lists */
INIT_LIST_HEAD(&task->list);
INIT_LIST_HEAD(&task->vm_area_list);
list_add_tail(&task->list, &tcbs->list);
tcbs->total++;
/* Allocate a utcb virtual address */
task->utcb_address = (unsigned long)utcb_vaddr_new();
return task;
}
@@ -78,15 +62,15 @@ struct tcb *create_init_tcb(struct tcb_head *tcbs)
int start_boot_tasks(struct initdata *initdata, struct tcb_head *tcbs)
{
int err;
struct vm_file *file;
struct svc_image *img;
unsigned int sp, pc;
struct tcb *task;
struct task_ids ids;
struct bootdesc *bd = initdata->bootdesc;
struct bootdesc *bd;
struct vm_object *vm_obj;
bd = initdata->bootdesc;
INIT_LIST_HEAD(&tcb_head.list);
INIT_LIST_HEAD(&initdata->boot_file_list);
for (int i = 0; i < bd->total_images; i++) {
img = &bd->images[i];
@@ -113,16 +97,17 @@ int start_boot_tasks(struct initdata *initdata, struct tcb_head *tcbs)
/* Create a task and use returned space and thread ids. */
printf("New task with id: %d, space id: %d\n", ids.tid, ids.spid);
task = create_init_tcb(tcbs);
task = tcb_alloc_init(tcbs);
task->tid = ids.tid;
task->spid = ids.spid;
/*
* For boot files, we use the physical address of the memory
* file as its mock-up inode.
*/
file = vmfile_alloc_init();
file->vnum = img->phys_start;
/* Allocate a utcb virtual address */
task->utcb_address = (unsigned long)utcb_vaddr_new();
/* Allocate the first vm_object we want to map */
vm_obj = vm_obj_alloc_init();
vm_obj->priv.img = img;
file->length = img->phys_end - img->phys_start;
file->pager = &boot_file_pager;
list_add(&file->list, &initdata->boot_file_list);