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authorH. Peter Anvin <hpa@linux.intel.com>2013-04-20 20:16:44 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2013-04-20 20:16:44 +0400
commitf53f292eeaa234615c31a1306babe703fc4263f2 (patch)
tree707b0933a20f7dc05495e974243a23b5c9f8c918 /arch/arc/include/uapi/asm/page.h
parent15b9c359f288b09003cb70f7ed204affc0c6614d (diff)
parenta9499fa7cd3fd4824a7202d00c766b269fa3bda6 (diff)
downloadlinux-f53f292eeaa234615c31a1306babe703fc4263f2.tar.xz
Merge remote-tracking branch 'efi/chainsaw' into x86/efi
Resolved Conflicts: drivers/firmware/efivars.c fs/efivarsfs/file.c Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/arc/include/uapi/asm/page.h')
-rw-r--r--arch/arc/include/uapi/asm/page.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arc/include/uapi/asm/page.h b/arch/arc/include/uapi/asm/page.h
new file mode 100644
index 000000000000..e5d41e08240c
--- /dev/null
+++ b/arch/arc/include/uapi/asm/page.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _UAPI__ASM_ARC_PAGE_H
+#define _UAPI__ASM_ARC_PAGE_H
+
+/* PAGE_SHIFT determines the page size */
+#if defined(CONFIG_ARC_PAGE_SIZE_16K)
+#define PAGE_SHIFT 14
+#elif defined(CONFIG_ARC_PAGE_SIZE_4K)
+#define PAGE_SHIFT 12
+#else
+/*
+ * Default 8k
+ * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc
+ * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o
+ * using the correct uClibc header and in their build our autoconf.h is
+ * not available
+ */
+#define PAGE_SHIFT 13
+#endif
+
+#ifdef __ASSEMBLY__
+#define PAGE_SIZE (1 << PAGE_SHIFT)
+#define PAGE_OFFSET (0x80000000)
+#else
+#define PAGE_SIZE (1UL << PAGE_SHIFT) /* Default 8K */
+#define PAGE_OFFSET (0x80000000UL) /* Kernel starts at 2G onwards */
+#endif
+
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+
+#endif /* _UAPI__ASM_ARC_PAGE_H */