Made changes to map devices dynamically upon irq registration.

All will be reverted since mapping devices statically is much simpler.

include/l4/lib/addr.h

@@ -0,0 +1,24 @@
+/*
+ * Address allocation pool
+ *
+ * Copyright (C) 2007 - 2009 Bahadir Balban
+ */
+#ifndef __KERNEL_ADDR_H__
+#define __KERNEL_ADDR_H__
+
+#include <lib/idpool.h>
+
+/* Address pool to allocate from a range of addresses */
+struct address_pool {
+	struct id_pool idpool;
+	unsigned long start;
+	unsigned long end;
+};
+
+void *kernel_new_address(int npages);
+int kernel_delete_address(void *addr, int npages);
+
+void *address_new(struct address_pool *pool, int npages);
+int address_del(struct address_pool *, void *addr, int npages);
+
+#endif /* __KERNEL_ADDR_H__ */

include/l4/lib/spinlock.h

@@ -40,9 +40,9 @@ static inline void spin_unlock(struct spinlock *s)
  *   on other cpus.
  */
 static inline void spin_lock_irq(struct spinlock *s,
-				 unsigned long state)
+				 unsigned long *state)
 {
-	irq_local_disable_save(&state);
+	irq_local_disable_save(state);
 #if defined(CONFIG_SMP)
 	__spin_lock(&s->lock);
 #endif

include/l4/lib/wait.h

@@ -13,8 +13,9 @@ struct waitqueue {
 #define WAKEUP_ASYNC			0
 
 enum wakeup_flags {
-	WAKEUP_INTERRUPT = (1 << 0),
-	WAKEUP_SYNC	 = (1 << 1)
+	WAKEUP_INTERRUPT = (1 << 0),	/* Set interrupt flag for task */
+	WAKEUP_SYNC	 = (1 << 1),	/* Wake it up synchronously */
+	WAKEUP_IRQ	 = (1 << 2)	/* Disable irqs on spinlocks */
 };
 
 #define CREATE_WAITQUEUE_ON_STACK(wq, tsk)		\