xnu-792.22.5.tar.gz

[apple/xnu.git] / osfmk / ppc / cpu_capabilities.h

diff --git a/osfmk/ppc/cpu_capabilities.h b/osfmk/ppc/cpu_capabilities.h
index e11feacc01d531e4d3467ee3cf7d5d666495317b..6afde90c3fe24367ab0ba14b0f23716d1651dd59 100644 (file)
--- a/osfmk/ppc/cpu_capabilities.h
+++ b/osfmk/ppc/cpu_capabilities.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2006 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -97,6 +97,17 @@ static __inline__ int _NumCPUs( void ) { return (_cpu_capabilities & kNumCPUs) >
 #define        _COMM_PAGE_AREA_LENGTH                  ( 7*4096)                                               // reserved length of entire comm area
 #define        _COMM_PAGE_AREA_USED                    ( 2*4096)                                               // we use two pages so far
 
+/* The following set of definitions are used in the kernel, which needs to distinguish between
+ * the 32 and 64-bit commpage addresses and lengths.  On PPC they are the same, but on Imtel
+ * they are not.
+ */
+#define _COMM_PAGE32_BASE_ADDRESS              ( _COMM_PAGE_BASE_ADDRESS )
+#define _COMM_PAGE64_BASE_ADDRESS              ( _COMM_PAGE_BASE_ADDRESS )
+#define        _COMM_PAGE32_AREA_LENGTH                ( _COMM_PAGE_AREA_LENGTH )
+#define        _COMM_PAGE64_AREA_LENGTH                ( _COMM_PAGE_AREA_LENGTH )
+#define        _COMM_PAGE32_AREA_USED                  ( _COMM_PAGE_AREA_USED )
+#define        _COMM_PAGE64_AREA_USED                  ( _COMM_PAGE_AREA_USED )
+
 /* The Objective-C runtime fixed address page to optimize message dispatch */
 #define _OBJC_PAGE_BASE_ADDRESS                        (-20*4096)                                              // start at page -20, ie 0xFFFEC000