1 files changed, 0 insertions, 114 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/refcnt.h b/qemu/roms/ipxe/src/include/ipxe/refcnt.h
deleted file mode 100644
index 7f489abc9..000000000
--- a/qemu/roms/ipxe/src/include/ipxe/refcnt.h
+++ /dev/null
@@ -1,114 +0,0 @@
-#ifndef _IPXE_REFCNT_H
-#define _IPXE_REFCNT_H
-
-/** @file
- *
- * Reference counting
- *
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <stddef.h>
-#include <assert.h>
-
-/**
- * A reference counter
- *
- * This data structure is designed to be embedded within a
- * reference-counted object.
- *
- * Reference-counted objects are freed when their reference count
- * drops below zero.  This means that a freshly allocated-and-zeroed
- * reference-counted object will be freed on the first call to
- * ref_put().
- */
-struct refcnt {
-	/** Current reference count
-	 *
-	 * When this count is decremented below zero, the free()
-	 * method will be called.
-	 */
-	int count;
-	/** Free containing object
-	 *
-	 * This method is called when the reference count is
-	 * decremented below zero.
-	 *
-	 * If this method is left NULL, the standard library free()
-	 * function will be called.  The upshot of this is that you
-	 * may omit the free() method if the @c refcnt object is the
-	 * first element of your reference-counted struct.
-	 */
-	void ( * free ) ( struct refcnt *refcnt );
-};
-
-/**
- * Initialise a reference counter
- *
- * @v refcnt		Reference counter
- * @v free		Freeing function
- */
-static inline __attribute__ (( always_inline )) void
-ref_init ( struct refcnt *refcnt,
-	   void ( * free ) ( struct refcnt *refcnt ) ) {
-	refcnt->free = free;
-}
-
-/**
- * Initialise a reference counter
- *
- * @v refcnt		Reference counter
- * @v free		Free containing object
- */
-#define ref_init( refcnt, free ) do {					\
-	if ( __builtin_constant_p ( (free) ) && ( (free) == NULL ) ) {	\
-		/* Skip common case of no initialisation required */	\
-	} else {							\
-		ref_init ( (refcnt), (free) );				\
-	}								\
-	} while ( 0 )
-
-/**
- * Initialise a static reference counter
- *
- * @v free_fn		Free containing object
- */
-#define REF_INIT( free_fn ) {						\
-		.free = free_fn,					\
-	}
-
-extern void ref_increment ( struct refcnt *refcnt );
-extern void ref_decrement ( struct refcnt *refcnt );
-
-/**
- * Get additional reference to object
- *
- * @v refcnt		Reference counter, or NULL
- * @ret refcnt		Reference counter
- *
- * If @c refcnt is NULL, no action is taken.
- */
-#define ref_get( refcnt ) ( {						\
-	if ( refcnt )							\
-		assert ( (refcnt)->count >= 0 );			\
-	ref_increment ( refcnt );					\
-	(refcnt); } )
-
-/**
- * Drop reference to object
- *
- * @v refcnt		Reference counter, or NULL
- * @ret refcnt		Reference counter
- *
- * If @c refcnt is NULL, no action is taken.
- */
-#define ref_put( refcnt ) do {						\
-	if ( refcnt )							\
-		assert ( (refcnt)->count >= 0 );			\
-	ref_decrement ( refcnt );					\
-	} while ( 0 )
-
-extern void ref_no_free ( struct refcnt *refcnt );
-
-#endif /* _IPXE_REFCNT_H */