1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/scheduler.c b/kernel/scheduler.c
index cfd0fcd..5316438 100644
--- a/kernel/scheduler.c
+++ b/kernel/scheduler.c
@@ -292,3 +292,36 @@ volatile void task_set_brk(uint32_t brk)
 {
     task_list[current_task].brk=brk;
 }
+
+void userfunc()
+{
+
+    // we need enable here again (since the pushed eflags have it disabled)!
+    x86_sti(); 
+
+    // if we are pid 0, replace ourselves with /bin/init and enter usermode
+    if(task_get_current_pid()==0)
+    {
+	    uint32_t alloc;
+	    uint32_t entry_global=load_elf(BIN_INIT,&alloc);
+	    task_set_brk(alloc);
+	    asm_usermode(entry_global); 
+    }
+
+    // kernel worker thread: SLEEPER
+    if(task_get_current_pid()==1)
+    {
+	while(1)
+	{
+	    __asm__("hlt");
+	}
+    }
+
+    // kernel worker thread: SYSCALL CHECKER
+    if(task_get_current_pid()==2)
+    {
+        task_syscall_worker();
+    }
+}
+
+