Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arc / include / uapi / asm / page.h

diff --git a/kernel/arch/arc/include/uapi/asm/page.h b/kernel/arch/arc/include/uapi/asm/page.h
new file mode 100644 (file)
index 0000000..e5d41e0
--- /dev/null
+++ b/kernel/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 */