Feat: lab 3

kernel/include/interrupt.h

@@ -2,5 +2,24 @@
 
 #include <stddef.h>
 
+typedef void (*interrupt_callback_func_t)(uint64_t);
+
+typedef struct interrupt {
+  struct interrupt *_l, *_r;
+  uint32_t _d;
+
+  uint64_t priority;
+  interrupt_callback_func_t func;
+  uint64_t param;
+} interrupt_t;
+
+void add_interrupt_task(uint64_t priority,
+                        interrupt_callback_func_t func,
+                        uint64_t param);
+
 void init_interrupt(void);
 void irq_handler(void);
+
+void wfe(void);
+
+extern interrupt_t *global_interrupt_pool;