fio: Include support for ARM

Assembly instructions picked from include/asm-arm/system.h

Signed-off-by: Kedar Sovani <kedars@marvell.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/arch/arch-arm.h b/arch/arch-arm.h
new file mode 100644 (file)
index 0000000..1b590f1
--- /dev/null
+++ b/arch/arch-arm.h
@@ -0,0 +1,27 @@
+#ifndef ARCH_ARM_H
+#define ARCH_ARM_H
+
+#define ARCH   (arch_arm)
+
+#ifndef __NR_ioprio_set
+#define __NR_ioprio_set                314
+#define __NR_ioprio_get                315
+#endif
+
+#ifndef __NR_fadvise64
+#define __NR_fadvise64         270
+#endif
+
+#ifndef __NR_sys_splice
+#define __NR_sys_splice                340
+#define __NR_sys_tee           342
+#define __NR_sys_vmsplice      343
+#endif
+
+#if defined (__ARM_ARCH_4__) || defined (__ARM_ARCH_4T__) || defined (__ARM_ARCH_5__) || defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__)
+#define nop             __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t")
+#define read_barrier() __asm__ __volatile__ ("" : : : "memory")
+#define write_barrier()        __asm__ __volatile__ ("" : : : "memory")
+#endif
+
+#endif

diff --git a/arch/arch.h b/arch/arch.h
index f4eb855ebf340d8a002759c8384323cd63218a97..28c6632638c7c61dd32d1edff73c865fe85b4737 100644 (file)
--- a/arch/arch.h
+++ b/arch/arch.h
@@ -10,6 +10,7 @@ enum {
        arch_alpha,
        arch_sparc,
        arch_sparc64,
+       arch_arm,
 };
 
 #if defined(__i386__)
@@ -28,6 +29,8 @@ enum {
 #include "arch-sparc.h"
 #elif defined(__sparc64__)
 #include "arch-sparc64.h"
+#elif defined(__arm__)
+#include "arch-arm.h"
 #else
 #error "Unsupported arch"
 #endif