[Xen-devel] [PATCH 5/9] tools: libxc: arm64 support

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 tools/libxc/xc_core.h |    2 +-
 tools/libxc/xenctrl.h |    4 ++++
 2 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/tools/libxc/xc_core.h b/tools/libxc/xc_core.h
index 67b56a4..10cbfca 100644
--- a/tools/libxc/xc_core.h
+++ b/tools/libxc/xc_core.h
@@ -151,7 +151,7 @@ int xc_core_arch_map_p2m_writable(xc_interface *xch, 
unsigned int guest_width,
 
 #if defined (__i386__) || defined (__x86_64__)
 # include "xc_core_x86.h"
-#elif defined (__arm__)
+#elif defined (__arm__) || defined(__aarch64__)
 # include "xc_core_arm.h"
 #else
 # error "unsupported architecture"
diff --git a/tools/libxc/xenctrl.h b/tools/libxc/xenctrl.h
index 32122fd..50853af 100644
--- a/tools/libxc/xenctrl.h
+++ b/tools/libxc/xenctrl.h
@@ -79,6 +79,10 @@
 #define xen_mb()   asm volatile ("dmb" : : : "memory")
 #define xen_rmb()  asm volatile ("dmb" : : : "memory")
 #define xen_wmb()  asm volatile ("dmb" : : : "memory")
+#elif defined(__aarch64__)
+#define xen_mb()   asm volatile ("dmb sy" : : : "memory")
+#define xen_rmb()  asm volatile ("dmb sy" : : : "memory")
+#define xen_wmb()  asm volatile ("dmb sy" : : : "memory")
 #else
 #error "Define barriers"
 #endif
-- 
1.7.2.5


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