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authorkent <kent@NetBSD.org>2003-01-28 01:07:51 +0000
committerkent <kent@NetBSD.org>2003-01-28 01:07:51 +0000
commitcd7d9faeaf3854b5db236bed3fcada463d795d26 (patch)
tree88d17c406f3b25934dd0926548bfbfd7a621dbde /sys/arch/atari/include
parent2dcac9e4eb67baa3de2a0a7954f1b500e2762194 (diff)
Introduce BUS_DMA_NOCACHE, and bus_dmamem_map() of i386 supports it.
Diffstat (limited to 'sys/arch/atari/include')
-rw-r--r--sys/arch/atari/include/bus.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/atari/include/bus.h b/sys/arch/atari/include/bus.h
index 19740444302..72e8ebaa67f 100644
--- a/sys/arch/atari/include/bus.h
+++ b/sys/arch/atari/include/bus.h
@@ -1,4 +1,4 @@
-/* $NetBSD: bus.h,v 1.28 2002/01/07 07:17:17 thorpej Exp $ */
+/* $NetBSD: bus.h,v 1.29 2003/01/28 01:07:56 kent Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -557,6 +557,7 @@ paddr_t bus_space_mmap __P((bus_space_tag_t, bus_addr_t, off_t,
#define BUS_DMA_BUS4 0x080
#define BUS_DMA_READ 0x100 /* mapping is device -> memory only */
#define BUS_DMA_WRITE 0x200 /* mapping is memory -> device only */
+#define BUS_DMA_NOCACHE 0x400 /* hint: map non-cached memory */
/* Forwards needed by prototypes below. */
struct mbuf;