linux-kernel - [PATCH 40/58] microblaze_v5: headers pgalloc.h pgtable.h

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Message-Id: <5174afd0eaa5c6cb9344ea3217199e48899be313.1215517976.git.monstr@monstr.eu>
Date:	Tue,  8 Jul 2008 13:59:40 +0200
From:	monstr@...str.eu
To:	linux-kernel@...r.kernel.org
Cc:	monstr@...nam.cz, arnd@...db.de, linux-arch@...r.kernel.org,
	stephen.neuendorffer@...inx.com, John.Linn@...inx.com,
	john.williams@...alogix.com, matthew@....cx, will.newton@...il.com,
	drepper@...hat.com, microblaze-uclinux@...e.uq.edu.au,
	grant.likely@...retlab.ca, vapier.adi@...il.com,
	alan@...rguk.ukuu.org.uk, hpa@...or.com, lethal@...ux-sh.org,
	florian@...nwrt.org, Michal Simek <monstr@...str.eu>
Subject: [PATCH 40/58] microblaze_v5: headers pgalloc.h pgtable.h

From: Michal Simek <monstr@...str.eu>

Acked-by: Stephen Neuendorffer <stephen.neuendorffer@...inx.com>
Signed-off-by: Michal Simek <monstr@...str.eu>
---
 include/asm-microblaze/pgalloc.h |   14 +++++++++++
 include/asm-microblaze/pgtable.h |   48 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+), 0 deletions(-)
 create mode 100644 include/asm-microblaze/pgalloc.h
 create mode 100644 include/asm-microblaze/pgtable.h

diff --git a/include/asm-microblaze/pgalloc.h b/include/asm-microblaze/pgalloc.h
new file mode 100644
index 0000000..2a4b354
--- /dev/null
+++ b/include/asm-microblaze/pgalloc.h
@@ -0,0 +1,14 @@
+/*
+ * 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_PGALLOC_H
+#define _ASM_MICROBLAZE_PGALLOC_H
+
+#define check_pgt_cache()	do {} while (0)
+
+#endif /* _ASM_MICROBLAZE_PGALLOC_H */
diff --git a/include/asm-microblaze/pgtable.h b/include/asm-microblaze/pgtable.h
new file mode 100644
index 0000000..0354908
--- /dev/null
+++ b/include/asm-microblaze/pgtable.h
@@ -0,0 +1,48 @@
+/*
+ * 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
+
+#define pgd_present(pgd)	(1) /* pages are always present on NO_MM */
+#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 NO_MM */
+#define PAGE_SHARED		__pgprot(0) /* these mean nothing to NO_MM */
+#define PAGE_COPY		__pgprot(0) /* these mean nothing to NO_MM */
+#define PAGE_READONLY		__pgprot(0) /* these mean nothing to NO_MM */
+#define PAGE_KERNEL		__pgprot(0) /* these mean nothing to NO_MM */
+
+#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
+
+#define ZERO_PAGE(vaddr)	({ BUG(); NULL; })
+
+#define swapper_pg_dir ((pgd_t *) NULL)
+
+#define pgtable_cache_init()	do {} while (0)
+
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)		\
+		remap_pfn_range(vma, vaddr, pfn, size, prot)
+
+#define arch_enter_lazy_cpu_mode()	do {} while (0)
+
+void paging_init(void);
+
+#endif /* _ASM_MICROBLAZE_PGTABLE_H */
-- 
1.5.4.GIT

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