xnu-792.12.6.tar.gz

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

diff --git a/osfmk/ppc/cpu_data.h b/osfmk/ppc/cpu_data.h
index 34c2ff7eaf7668ff55773dcff2b26733221fae93..fff445746ec210e72d6b70b9e21f8386f0bf787f 100644 (file)
--- a/osfmk/ppc/cpu_data.h
+++ b/osfmk/ppc/cpu_data.h
@@ -1,26 +1,31 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
- * 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
+ * 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.  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
- * 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
+ *
+ * The 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.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -30,48 +35,31 @@
 #ifndef        PPC_CPU_DATA
 #define PPC_CPU_DATA
 
-typedef struct
-{
-       int             preemption_level;
-       int             simple_lock_count;
-       int             interrupt_level;
-} cpu_data_t;
+#ifdef MACH_KERNEL_PRIVATE
 
-#define disable_preemption                     _disable_preemption
-#define enable_preemption                      _enable_preemption
-#define enable_preemption_no_check             _enable_preemption_no_check
-#define mp_disable_preemption                  _disable_preemption
-#define mp_enable_preemption                   _enable_preemption
-#define mp_enable_preemption_no_check          _enable_preemption_no_check
+#include <mach/mach_types.h>
+#include <machine/thread.h>
 
-extern __inline__ thread_act_t current_act(void) 
+extern thread_t current_thread(void);
+extern __inline__ thread_t current_thread(void) 
 {
-       thread_act_t act;
-       __asm__ volatile("mfsprg %0,1" : "=r" (act));  
-       return act;
-};
+       thread_t        result;
 
-/*
- *     Note that the following function is ONLY guaranteed when preemption or interrupts are disabled
- */
-extern __inline__ struct per_proc_info *getPerProc(void) 
-{
-       struct per_proc_info *perproc;
-       __asm__ volatile("mfsprg %0,0" : "=r" (perproc));  
-       return perproc;
-};
+       __asm__ volatile("mfsprg %0,1" : "=r" (result));
 
-#define        current_thread()        current_act()->thread
+       return (result);
+}
 
-extern void                                    set_machine_current_act(thread_act_t);
+#define        getPerProc()            current_thread()->machine.PerProc
 
 extern int                                     get_preemption_level(void);
-extern void                                    disable_preemption(void);
-extern void                                    enable_preemption(void);
-extern void                                    enable_preemption_no_check(void);
-extern void                                    mp_disable_preemption(void);
-extern void                                    mp_enable_preemption(void);
-extern void                                    mp_enable_preemption_no_check(void);
-extern int                                     get_simple_lock_count(void);
+extern void                                    _enable_preemption_no_check(void);
+
+#define enable_preemption_no_check()           _enable_preemption_no_check()
+#define mp_disable_preemption()                        _disable_preemption()
+#define mp_enable_preemption()                 _enable_preemption()
+#define mp_enable_preemption_no_check()                _enable_preemption_no_check()
+
+#endif /* MACH_KERNEL_PRIVATE */
 
 #endif /* PPC_CPU_DATA */