X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Farch-ppc.h;h=b790a55e898163cfc317c860403577f8b8bebb6c;hb=3d7174e3c4b8aa4daa36261a8e638b702fac5aba;hp=8bfed5979bf2f77ad7f7806e3464a486eeec05a3;hpb=317b95d07d4921d2594a1be6e014c9c2d062fe75;p=fio.git

diff --git a/arch/arch-ppc.h b/arch/arch-ppc.h
index 8bfed597..b790a55e 100644
--- a/arch/arch-ppc.h
+++ b/arch/arch-ppc.h
@@ -1,7 +1,7 @@
 #ifndef ARCH_PPC_H
 #define ARCH_PPH_H
 
-#define ARCH	(arch_ppc)
+#define FIO_ARCH	(arch_ppc)
 
 #ifndef __NR_ioprio_set
 #define __NR_ioprio_set		273
@@ -20,6 +20,14 @@
 
 #define nop	do { } while (0)
 
+#ifdef __powerpc64__
+#define read_barrier()	__asm__ __volatile__ ("lwsync" : : : "memory")
+#else
+#define read_barrier()	__asm__ __volatile__ ("sync" : : : "memory")
+#endif
+
+#define write_barrier()	__asm__ __volatile__ ("sync" : : : "memory")
+
 static inline int __ilog2(unsigned long bitmask)
 {
 	int lz;
@@ -28,11 +36,29 @@ static inline int __ilog2(unsigned long bitmask)
 	return 31 - lz;
 }
 
-static inline int ffz(unsigned long bitmask)
+static inline int arch_ffz(unsigned long bitmask)
 {
 	if ((bitmask = ~bitmask) == 0)
 		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