X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=arch%2Farch-ppc.h;h=d495a1b21aff4df9e4bd16c71f47435c04fa88dc;hp=061153873131db5964ca650a6d255e72b8035866;hb=2995607f86b7cfc918b3c140f481c5809fc3306c;hpb=3b02d57453fc574331020c3d842a27c67846a4b7

diff --git a/arch/arch-ppc.h b/arch/arch-ppc.h
index 06115387..d495a1b2 100644
--- a/arch/arch-ppc.h
+++ b/arch/arch-ppc.h
@@ -42,6 +42,23 @@ static inline int arch_ffz(unsigned long bitmask)
 		return 32;
 	return  __ilog2(bitmask & -bitmask);
 }
+
+static inline unsigned long long get_cpu_clock(void)
+{
+	unsigned int tbl, tbu0, tbu1;
+	unsigned long long ret;
+
+	do {
+		__asm__ __volatile__ ("mftbu %0" : "=r"(tbu0));
+		__asm__ __volatile__ ("mftb %0"  : "=r"(tbl) );
+		__asm__ __volatile__ ("mftbu %0" : "=r"(tbu1));
+	} while (tbu0 != tbu1);
+
+	ret = (((unsigned long long)tbu0) << 32) | tbl;
+	return ret;
+}
+
 #define ARCH_HAVE_FFZ
+#define ARCH_HAVE_CPU_CLOCK
 
 #endif