1 files changed, 84 insertions, 0 deletions
diff --git a/bsps/sparc64/include/arch/mm/sun4u/page.h b/bsps/sparc64/include/arch/mm/sun4u/page.h
new file mode 100644
index 0000000000..f1451a2866
--- /dev/null
+++ b/bsps/sparc64/include/arch/mm/sun4u/page.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2005 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_PAGE_H_
+#define KERN_sparc64_PAGE_H_
+
+#include <arch/mm/frame.h>
+
+/*
+ * On the TLB and TSB level, we still use 8K pages, which are supported by the
+ * MMU.
+ */
+#define MMU_PAGE_WIDTH	MMU_FRAME_WIDTH
+#define MMU_PAGE_SIZE	MMU_FRAME_SIZE
+
+/*
+ * On the page table level, we use 16K pages. 16K pages are not supported by
+ * the MMU but we emulate them with pairs of 8K pages.
+ */
+#define PAGE_WIDTH	FRAME_WIDTH
+#define PAGE_SIZE	FRAME_SIZE
+
+#define MMU_PAGES_PER_PAGE	(1 << (PAGE_WIDTH - MMU_PAGE_WIDTH))
+
+#ifdef KERNEL
+
+#ifndef __ASM__
+
+#include <arch/interrupt.h>
+
+extern uintptr_t physmem_base;
+
+#define KA2PA(x)	(((uintptr_t) (x)) + physmem_base)
+#define PA2KA(x)	(((uintptr_t) (x)) - physmem_base)
+
+typedef union {
+	uintptr_t address;
+	struct {
+		uint64_t vpn : 51;		/**< Virtual Page Number. */
+		unsigned offset : 13;		/**< Offset. */
+	} __attribute__ ((packed));
+} page_address_t;
+
+extern void page_arch_init(void);
+
+#endif /* !def __ASM__ */
+
+#endif /* KERNEL */
+
+#endif
+
+/** @}
+ */