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authorMichal Simek <monstr@monstr.eu>2009-03-27 14:25:37 +0100
committerMichal Simek <monstr@monstr.eu>2009-03-27 14:25:37 +0100
commit6a3cece5e5e7e7c0fde769d7cf065fb8aef6e54e (patch)
tree9962f685e0155b87d8adf2ca6fa828ae964785d9 /arch/microblaze/include/asm/pgtable.h
parent10713b1d9f4e64468e9b9d38c32eea0814568b92 (diff)
microblaze_v8: headers pgalloc.h pgtable.h
Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/include/asm/pgtable.h')
-rw-r--r--arch/microblaze/include/asm/pgtable.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
new file mode 100644
index 000000000000..4df31e46568e
--- /dev/null
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_PGTABLE_H
+#define _ASM_MICROBLAZE_PGTABLE_H
+
+#include <asm/setup.h>
+
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
+ remap_pfn_range(vma, vaddr, pfn, size, prot)
+
+#define pgd_present(pgd) (1) /* pages are always present on non MMU */
+#define pgd_none(pgd) (0)
+#define pgd_bad(pgd) (0)
+#define pgd_clear(pgdp)
+#define kern_addr_valid(addr) (1)
+#define pmd_offset(a, b) ((void *) 0)
+
+#define PAGE_NONE __pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_SHARED __pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_COPY __pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_READONLY __pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_KERNEL __pgprot(0) /* these mean nothing to non MMU */
+
+#define __swp_type(x) (0)
+#define __swp_offset(x) (0)
+#define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
+#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
+#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
+
+#ifndef __ASSEMBLY__
+static inline int pte_file(pte_t pte) { return 0; }
+#endif /* __ASSEMBLY__ */
+
+#define ZERO_PAGE(vaddr) ({ BUG(); NULL; })
+
+#define swapper_pg_dir ((pgd_t *) NULL)
+
+#define pgtable_cache_init() do {} while (0)
+
+#define arch_enter_lazy_cpu_mode() do {} while (0)
+
+#ifndef __ASSEMBLY__
+#include <asm-generic/pgtable.h>
+
+void setup_memory(void);
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_MICROBLAZE_PGTABLE_H */