X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Farch-x86.h;h=1ededd845a869b8751c64ed0a06e5bd41aad3273;hb=0dce9bc9b21a8d91aa55a29258dfaeffc57bd466;hp=4d7ea49dd1cdde71d004050875a95dc9c4c3ea80;hpb=697a606cc0af1c39ac18998c344a522199accb36;p=fio.git

diff --git a/arch/arch-x86.h b/arch/arch-x86.h
index 4d7ea49d..1ededd84 100644
--- a/arch/arch-x86.h
+++ b/arch/arch-x86.h
@@ -1,7 +1,7 @@
 #ifndef ARCH_X86_H
 #define ARCH_X86_H
 
-#define ARCH	(arch_i386)
+#define FIO_ARCH	(arch_i386)
 
 #ifndef __NR_ioprio_set
 #define __NR_ioprio_set		289
@@ -30,6 +30,24 @@
 #define FIO_HAVE_SYSLET
 
 #define nop		__asm__ __volatile__("rep;nop": : :"memory")
-#define read_barrier()	asm volatile ("": : :"memory")
+#define read_barrier()	__asm__ __volatile__("": : :"memory")
+#define write_barrier()	__asm__ __volatile__("": : :"memory")
+
+static inline unsigned long arch_ffz(unsigned long bitmask)
+{
+	__asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
+	return bitmask;
+}
+
+static inline unsigned long long get_cpu_clock(void)
+{
+	unsigned long ret;
+
+	__asm__ __volatile__("rdtsc" : "=A" (ret));
+	return ret;
+}
+
+#define ARCH_HAVE_FFZ
+#define ARCH_HAVE_CPU_CLOCK
 
 #endif