get_current_stack set CR3 => required for a context switch

arch/x86/kernel/tasks.c

@@ -36,6 +36,9 @@ size_t* get_current_stack(void)
 {
 	task_t* curr_task = current_task;
 
+	// use new page table
+	write_cr3(curr_task->page_map);
+
 	return curr_task->last_stack_pointer;
 }
 

include/eduos/tasks_types.h

@@ -76,7 +76,7 @@ typedef struct task {
 	/// Task priority
 	uint8_t			prio;
 	/// Physical address of root page table
-	size_t				page_map;
+	size_t			page_map;
 	/// Lock for page tables
 	spinlock_irqsave_t	page_lock;
 	/// usage in number of pages (including page map tables)

kernel/main.c

@@ -127,7 +127,7 @@ int main(void)
 
 
 	create_kernel_task(&id1, foo, "foo1", NORMAL_PRIO);
-	create_kernel_task(&id2, wrapper, "userfoo", NORMAL_PRIO);
+	//create_kernel_task(&id2, wrapper, "userfoo", NORMAL_PRIO);
 
 	while(1) { 
 		HALT;