X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/4452a7af2eac33dbad800bcc91f2399d62c18f53..7ddcb079202367355dddccdfa4318e57d50318be:/osfmk/i386/tsc.h?ds=sidebyside

diff --git a/osfmk/i386/tsc.h b/osfmk/i386/tsc.h
index df66a83c0..2f6011b93 100644
--- a/osfmk/i386/tsc.h
+++ b/osfmk/i386/tsc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2007 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -40,10 +40,11 @@
 #ifndef _I386_TSC_H_
 #define _I386_TSC_H_
 
-#define BusRatioShift 40
-#define BusRatioMask 0x1F
-#define IA32_PERF_STS 0x198
+#define BASE_NHM_CLOCK_SOURCE 	133333333ULL
+#define IA32_PERF_STS		0x198
+#define	SLOW_TSC_THRESHOLD	1000067800	/* TSC is too slow for regular nanotime() algorithm */
 
+#ifndef ASSEMBLER
 extern uint64_t	busFCvtt2n;
 extern uint64_t	busFCvtn2t;
 extern uint64_t tscFreq;
@@ -51,22 +52,30 @@ extern uint64_t tscFCvtt2n;
 extern uint64_t tscFCvtn2t;
 extern uint64_t tscGranularity;
 extern uint64_t bus2tsc;
+extern uint64_t busFreq;
+extern uint32_t	flex_ratio;
+extern uint32_t	flex_ratio_min;
+extern uint32_t	flex_ratio_max;
 
 struct tscInfo
 {
-uint64_t	busFCvtt2n;
-uint64_t	busFCvtn2t;
-uint64_t	tscFreq;
-uint64_t	tscFCvtt2n;
-uint64_t	tscFCvtn2t;
-uint64_t	tscGranularity;
-uint64_t	bus2tsc;
+	uint64_t	busFCvtt2n;
+	uint64_t	busFCvtn2t;
+	uint64_t	tscFreq;
+	uint64_t	tscFCvtt2n;
+	uint64_t	tscFCvtn2t;
+	uint64_t	tscGranularity;
+	uint64_t	bus2tsc;
+	uint64_t	busFreq;
+	uint32_t	flex_ratio;
+	uint32_t	flex_ratio_min;
+	uint32_t	flex_ratio_max;
 };
 typedef struct tscInfo tscInfo_t;
 
 extern void tsc_get_info(tscInfo_t *info);
 
 extern void tsc_init(void);
-
+#endif /* ASSEMBLER */
 #endif /* _I386_TSC_H_ */
 #endif /* KERNEL_PRIVATE */