Almost finished scheduler, switched to circular linked list

src/scheduler/sched.h

@@ -9,20 +9,23 @@ typedef enum proc_state {
     UNUSED = 0
 }proc_state;
 
-typedef struct context {
+struct context {
     uint64_t r15, r14, r13, r12, rbp, rbx, rip;
-} context;
+};
 
-typedef struct proc {
+struct thread {
+    struct thread *next;
+    struct thread *prev;
     uint64_t *mem;
     uint64_t *kstack;
     proc_state state;
     uint16_t pid;
-    context *context;
-}proc;
+    struct context *context;
+};
 
 void scheduler_init();
-void enter_scheduler();
+[[noreturn]] void sched();
+void yield();
 
 #define PROC_MAX    512 // Max number of processes