xnu-792.6.61.tar.gz

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

diff --git a/osfmk/ppc/commpage/commpage.h b/osfmk/ppc/commpage/commpage.h
index 7b48fda34558a61a84f7720107b24dde9305a38e..9ba062f5df0c395f946e481a1c8119a8932b6970 100644 (file)
--- a/osfmk/ppc/commpage/commpage.h
+++ b/osfmk/ppc/commpage/commpage.h
@@ -3,22 +3,19 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
  * 
- * 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.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -34,19 +31,26 @@
 /* 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
     
 
@@ -67,7 +71,8 @@ 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,uint32_t secs,uint32_t usecs,uint32_t ticks_per_sec);