X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..4a3eedf9ecc9bbe3f3a5c6ce5e53ad199d639d32:/osfmk/ppc/commpage/commpage.h

diff --git a/osfmk/ppc/commpage/commpage.h b/osfmk/ppc/commpage/commpage.h
index 7b48fda34..ec176ec4e 100644
--- a/osfmk/ppc/commpage/commpage.h
+++ b/osfmk/ppc/commpage/commpage.h
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef _PPC_COMMPAGE_H
@@ -34,19 +37,26 @@
 /* Special check bits for the compage_descriptor "special" field. */
  
 #define	kCommPageDCBA		0x0001			// this routine uses DCBA, map to NOP if not appropriate
-#define	kCommPageSYNC		0x0002			// this routine uses SYNC, map to NOP if UP
-#define	kCommPageMTCRF		0x0004			// set bit 11 in MTCRF if only 1 cr specified
+#define	kCommPageSYNC		0x0002			// this routine uses SYNC, LWSYNC, or EIEIO, map to NOP if UP
+#define kCommPageISYNC		0x0004			// this routine uses ISYNC, map to NOP if UP
+#define	kCommPageMTCRF		0x0008			// set bit 11 in MTCRF if only 1 cr specified
+
+#define kPort32to64			0x1000			// written for 32-bit, must port to 64-bit
+#define kCommPage64			0x2000			// this routine is useable in 64-bit mode
+#define kCommPage32			0x4000			// this routine is useable in 32-bit mode
+#define kCommPageBoth		(kCommPage32+kCommPage64)
 
 
 #ifdef	__ASSEMBLER__
 
 #define	COMMPAGE_DESCRIPTOR(label,address,must,cant,special)	\
+    .globl  EXT(label)  @\
 LEXT(label)	@\
     .short	label-.	@\
     .short	.-label-2	@\
     .short	address	@\
     .short	special	@\
-    .long	must	@\
+    .long	must    @\
     .long	cant
     
 
@@ -67,11 +77,14 @@ typedef	struct	commpage_descriptor	{
 } commpage_descriptor;
 
 
-extern	char	*commPagePtr;				// virt address of commpage in kernel map
+extern	char	*commPagePtr32;				// virt address of 32-bit commpage in kernel map
+extern	char	*commPagePtr64;				// virt address of 64-bit commpage in kernel map
+
+extern	void	commpage_set_timestamp(uint64_t tbr, uint64_t secs, uint32_t ticks_per_sec);
 
+#define	commpage_disable_timestamp() commpage_set_timestamp( 0, 0, 0 )
 
-extern	void	commpage_set_timestamp(uint64_t tbr,uint32_t secs,uint32_t usecs,uint32_t ticks_per_sec);
-extern	int		commpage_time_dcba( void );
+extern	int	commpage_time_dcba( void );
 
 #endif	/* __ASSEMBLER__ */