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authordrochner <drochner@NetBSD.org>2000-01-25 22:13:17 +0000
committerdrochner <drochner@NetBSD.org>2000-01-25 22:13:17 +0000
commit8eb798e60318d2aa98f3cfb8bd76932f6a2c1ffe (patch)
treedd36d2f83bee2cb559cbd1a382be4a64d3f0abda /sys/arch/macppc/include
parent62fb37ba49fa1cae3d41fe28854911cfb6a25604 (diff)
define a "BUS_SPACE_MAP_PREFETCHABLE" flag which basically means that
device accesses are idempotent (but should not be cached by the CPU)
Diffstat (limited to 'sys/arch/macppc/include')
-rw-r--r--sys/arch/macppc/include/bus.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/arch/macppc/include/bus.h b/sys/arch/macppc/include/bus.h
index 411f3a31ce6..94e18276e48 100644
--- a/sys/arch/macppc/include/bus.h
+++ b/sys/arch/macppc/include/bus.h
@@ -1,4 +1,4 @@
-/* $NetBSD: bus.h,v 1.8 1999/06/18 04:49:25 cgd Exp $ */
+/* $NetBSD: bus.h,v 1.9 2000/01/25 22:13:22 drochner Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@@ -105,8 +105,9 @@ typedef u_int32_t bus_space_handle_t;
* Map a region of bus space.
*/
-#define BUS_SPACE_MAP_CACHEABLE 0x01
-#define BUS_SPACE_MAP_LINEAR 0x02
+#define BUS_SPACE_MAP_CACHEABLE 0x01
+#define BUS_SPACE_MAP_LINEAR 0x02
+#define BUS_SPACE_MAP_PREFETCHABLE 0x04
extern void * mapiodev __P((paddr_t, psize_t));