Index: kernel/arch/sparc64/Makefile.inc
===================================================================
--- kernel/arch/sparc64/Makefile.inc	(revision d0485c6a1e50e0398bb04d70d1e1ed89ea3db22a)
+++ kernel/arch/sparc64/Makefile.inc	(revision 3d769966455541f6a4296056f6156d2ad7eb2ef0)
@@ -84,4 +84,5 @@
 	arch/$(ARCH)/src/dummy.s \
 	arch/$(ARCH)/src/mm/as.c \
+	arch/$(ARCH)/src/mm/cache.c \
 	arch/$(ARCH)/src/mm/frame.c \
 	arch/$(ARCH)/src/mm/page.c \
Index: kernel/arch/sparc64/include/arch.h
===================================================================
--- kernel/arch/sparc64/include/arch.h	(revision d0485c6a1e50e0398bb04d70d1e1ed89ea3db22a)
+++ kernel/arch/sparc64/include/arch.h	(revision 3d769966455541f6a4296056f6156d2ad7eb2ef0)
@@ -41,4 +41,5 @@
 #define ASI_AIUS		0x11	/** Access to secondary context with user privileges. */
 #define ASI_NUCLEUS_QUAD_LDD	0x24	/** ASI for 16-byte atomic loads. */
+#define ASI_DCACHE_TAG		0x47	/** ASI D-Cache Tag. */
 #define ASI_UPA_CONFIG		0x4a	/** ASI of the UPA_CONFIG register. */
 
Index: kernel/arch/sparc64/include/mm/cache.h
===================================================================
--- kernel/arch/sparc64/include/mm/cache.h	(revision 3d769966455541f6a4296056f6156d2ad7eb2ef0)
+++ kernel/arch/sparc64/include/mm/cache.h	(revision 3d769966455541f6a4296056f6156d2ad7eb2ef0)
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup sparc64mm	
+ * @{
+ */
+/** @file
+ */
+
+#ifndef KERN_sparc64_CACHE_H_
+#define KERN_sparc64_CACHE_H_
+
+extern void dcache_flush(void);
+
+#endif
+
+/** @}
+ */
Index: kernel/arch/sparc64/src/mm/cache.S
===================================================================
--- kernel/arch/sparc64/src/mm/cache.S	(revision 3d769966455541f6a4296056f6156d2ad7eb2ef0)
+++ kernel/arch/sparc64/src/mm/cache.S	(revision 3d769966455541f6a4296056f6156d2ad7eb2ef0)
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2006 Jakub Jermar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch/arch.h>
+
+#define DCACHE_SIZE		(16*1024)
+#define DCACHE_LINE_SIZE	64
+
+.global dcache_flush
+dcache_flush:
+	set (DCACHE_SIZE - DCACHE_LINE_SIZE), %g1
+	stxa %g0, [%g1] ASI_DCACHE_TAG
+0:	membar #Sync
+	subcc %g1, DCACHE_LINE_SIZE, %g1
+	bnz,pt %xcc, 0b
+	stxa %g0, [%g1] ASI_DCACHE_TAG
+	retl
+	membar #Sync
+
Index: kernel/arch/sparc64/src/start.S
===================================================================
--- kernel/arch/sparc64/src/start.S	(revision d0485c6a1e50e0398bb04d70d1e1ed89ea3db22a)
+++ kernel/arch/sparc64/src/start.S	(revision 3d769966455541f6a4296056f6156d2ad7eb2ef0)
@@ -252,4 +252,10 @@
 
 	/*
+	 * Flush D-Cache.
+	 */
+	call dcache_flush
+	nop
+
+	/*
 	 * So far, we have not touched the stack.
 	 * It is a good idea to set the kernel stack to a known state now.