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authorIan Campbell <ian.campbell@citrix.com>2013-02-22 08:57:45 +0000
committerIan Campbell <ian.campbell@citrix.com>2013-02-22 12:14:51 +0000
commitae01113535e9c1f7220e72ebe602030dd82b4fb0 (patch)
treee5aadabac9675b1dccf879c500731fc0ae3a7cfc /xen/include/asm-arm/config.h
parentdac84b66cc9adfdf7231f4c433553cc95db30930 (diff)
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xen: arm64: basic config and types headers
The 64-bit bitops are taken from the Linux asm-generic implementations. They should be replaced with optimised versions from the Linux arm64 port when they become available. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Tim Deegan <tim@xen.org>
Diffstat (limited to 'xen/include/asm-arm/config.h')
-rw-r--r--xen/include/asm-arm/config.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/xen/include/asm-arm/config.h b/xen/include/asm-arm/config.h
index 5a1ea1d51c..3910dd27f3 100644
--- a/xen/include/asm-arm/config.h
+++ b/xen/include/asm-arm/config.h
@@ -7,6 +7,21 @@
#ifndef __ARM_CONFIG_H__
#define __ARM_CONFIG_H__
+#if defined(__aarch64__)
+# define CONFIG_ARM_64 1
+#elif defined(__arm__)
+# define CONFIG_ARM_32 1
+#endif
+
+#if defined(CONFIG_ARM_64)
+# define LONG_BYTEORDER 3
+#else
+# define LONG_BYTEORDER 2
+#endif
+
+#define BYTES_PER_LONG (1 << LONG_BYTEORDER)
+#define BITS_PER_LONG (BYTES_PER_LONG << 3)
+
#define CONFIG_PAGING_ASSISTANCE 1
#define CONFIG_PAGING_LEVELS 3