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
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