X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Farch-ppc.h;h=d4a080c4e91f31050404cab8c61b6d23bbe7f371;hb=5c94b00876437a27f1761e47437166780c3c3b93;hp=751762750dd5081b5710466b0d4b3c9b6d60b353;hpb=4247d1a9a27b6a23092a2c75e94e0545ad6a3376;p=fio.git

diff --git a/arch/arch-ppc.h b/arch/arch-ppc.h
index 75176275..d4a080c4 100644
--- a/arch/arch-ppc.h
+++ b/arch/arch-ppc.h
@@ -1,5 +1,5 @@
 #ifndef ARCH_PPC_H
-#define ARCH_PPH_H
+#define ARCH_PPC_H
 
 #include <unistd.h>
 #include <stdlib.h>
@@ -72,9 +72,9 @@ static inline unsigned long long get_cpu_clock(void)
 			tbl = mfspr(SPRN_ATBL);
 			tbu1 = mfspr(SPRN_ATBU);
 		} else {
-			__asm__ __volatile__("mftbu %0" : "=r"(tbu0));
-			__asm__ __volatile__("mftb %0"  : "=r"(tbl) );
-			__asm__ __volatile__("mftbu %0" : "=r"(tbu1));
+			tbu0 = mfspr(SPRN_TBRU);
+			tbl = mfspr(SPRN_TBRL);
+			tbu1 = mfspr(SPRN_TBRU);
 		}
 	} while (tbu0 != tbu1);
 
@@ -82,6 +82,7 @@ static inline unsigned long long get_cpu_clock(void)
 	return ret;
 }
 
+#if 0
 static void atb_child(void)
 {
 	arch_flags |= ARCH_FLAG_1;
@@ -96,28 +97,37 @@ static void atb_clocktest(void)
 	pid = fork();
 	if (!pid)
 		atb_child();
-	else {
+	else if (pid != -1) {
 		int status;
 
-		wait(&status);
-		if (!WIFEXITED(status))
+		pid = wait(&status);
+		if (pid == -1 || !WIFEXITED(status))
 			arch_flags &= ~ARCH_FLAG_1;
 		else
 			arch_flags |= ARCH_FLAG_1;
 	}
 }
+#endif
 
 #define ARCH_HAVE_INIT
 extern int tsc_reliable;
 
 static inline int arch_init(char *envp[])
 {
+#if 0
 	tsc_reliable = 1;
 	atb_clocktest();
+#endif
 	return 0;
 }
 
 #define ARCH_HAVE_FFZ
-#define ARCH_HAVE_CPU_CLOCK
+
+/*
+ * We don't have it on all platforms, lets comment this out until we
+ * can handle it more intelligently.
+ *
+ * #define ARCH_HAVE_CPU_CLOCK
+ */
 
 #endif