linux-kernel - [PATCH 41/52] [microblaze] headers pgalloc.h pgtable.h

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Message-Id: <155ee14d990137f7eb6fa76beee06c880c97e790.1201107832.git.monstr@monstr.eu>
Date:	Thu, 24 Jan 2008 16:03:16 +0100
From:	monstr@...str.eu
To:	monstr@...str.eu
Cc:	linux-kernel@...r.kernel.org, stephen.neuendorffer@...inx.com,
	john.williams@...alogix.com, microblaze-uclinux@...e.uq.edu.au
Subject: [PATCH 41/52] [microblaze] headers pgalloc.h pgtable.h

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


Signed-off-by: Michal Simek <monstr@...str.eu>
---
 include/asm-microblaze/pgalloc.h |   16 ++++++++++++
 include/asm-microblaze/pgtable.h |   50 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 66 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..c6fd99d
--- /dev/null
+++ b/include/asm-microblaze/pgalloc.h
@@ -0,0 +1,16 @@
+/*
+ * include/asm-microblaze/pgalloc.h
+ *
+ * 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.
+ *
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_PGALLOC_H
+#define _ASM_PGALLOC_H
+
+#define check_pgt_cache()	do {} while (0)
+
+#endif /* _ASM_PGALLOC_H */
diff --git a/include/asm-microblaze/pgtable.h b/include/asm-microblaze/pgtable.h
new file mode 100644
index 0000000..6e9db76
--- /dev/null
+++ b/include/asm-microblaze/pgtable.h
@@ -0,0 +1,50 @@
+/*
+ * include/asm-microblaze/pgtable.h
+ *
+ * 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.
+ *
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_PGTABLE_H
+#define _ASM_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_PGTABLE_H */
-- 
1.5.4.rc4.14.g6fc74

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