sched: add root vm-region and handle table to struct task

sched/task.c

@@ -1,10 +1,12 @@
 #include <mango/clock.h>
 #include <mango/cpu.h>
+#include <mango/handle.h>
 #include <mango/libc/stdio.h>
 #include <mango/locks.h>
 #include <mango/object.h>
 #include <mango/printk.h>
 #include <mango/sched.h>
+#include <mango/vm-region.h>
 
 #define TASK_CAST(p) OBJECT_C_CAST(struct task, t_base, &task_type, p)
 
@@ -84,6 +86,14 @@ kern_status_t setup_kernel_task(void)
 	__kernel_task->t_state = TASK_RUNNING;
 	__kernel_task->t_pmap = get_kernel_pmap();
 
+	vm_region_create(
+		NULL,
+		"root",
+		VM_KERNEL_BASE,
+		VM_KERNEL_LIMIT - VM_KERNEL_BASE,
+		VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXEC | VM_PROT_SVR,
+		&__kernel_task->t_address_space);
+
 	snprintf(
 		__kernel_task->t_name,
 		sizeof __kernel_task->t_name,