xnu-1228.0.2.tar.gz

[apple/xnu.git] / osfmk / i386 / cpu_threads.h

diff --git a/osfmk/i386/cpu_threads.h b/osfmk/i386/cpu_threads.h
index ba98631be77b13036e11aa2cf80f56011d1c2af1..e22f231cf02dfc06c6f39919d72d35072141cfa1 100644 (file)
--- a/osfmk/i386/cpu_threads.h
+++ b/osfmk/i386/cpu_threads.h
@@ -1,56 +1,64 @@
 /*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2007 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * 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. 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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 OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 #ifndef _I386_CPU_THREADS_H_
 #define _I386_CPU_THREADS_H_
 
-#include <i386/mp.h>
 #include <i386/cpu_data.h>
+#include <i386/mp.h>
+#include <i386/cpu_topology.h>
 
-struct pmc;
-
-typedef struct {
-       int             base_cpu;       /* Number of the cpu first in core */
-       int             num_threads;    /* Number of threads (logical cpus) */
-       int             active_threads; /* Number of non-halted thredas */
-       struct pmc      *pmc;           /* Pointer to perfmon data */
-} cpu_core_t;
-
+/*
+ * These are defined here rather than in cpu_topology.h so as to keep
+ * cpu_topology.h from having a dependency on cpu_data.h.
+ */
 #define CPU_THREAD_MASK                        0x00000001
 #define cpu_to_core_lapic(cpu)         (cpu_to_lapic[cpu] & ~CPU_THREAD_MASK)
 #define cpu_to_core_cpu(cpu)           (lapic_to_cpu[cpu_to_core_lapic(cpu)])
 #define cpu_to_logical_cpu(cpu)                (cpu_to_lapic[cpu] & CPU_THREAD_MASK)
 #define cpu_is_core_cpu(cpu)           (cpu_to_logical_cpu(cpu) == 0)
 
-#define cpu_to_core(cpu)               (cpu_datap(cpu)->cpu_core)
+#define cpu_to_lcpu(cpu)               (&cpu_datap(cpu)->lcpu)
+#define cpu_to_core(cpu)               (cpu_to_lcpu(cpu)->core)
+#define cpu_to_package(cpu)            (cpu_to_core(cpu)->package)
 
 /* Fast access: */
-#define cpu_core()                     ((cpu_core_t *) get_cpu_core())
+#define x86_lcpu()                     (&current_cpu_datap()->lcpu)
+#define x86_core()                     (x86_lcpu()->core)
+#define x86_package()                  (x86_core()->package)
 
 #define cpu_is_same_core(cpu1,cpu2)    (cpu_to_core(cpu1) == cpu_to_core(cpu2))
+#define cpu_is_same_package(cpu1,cpu2) (cpu_to_package(cpu1) == cpu_to_package(cpu2))
+#define cpus_share_cache(cpu1,cpu2,_cl) (cpu_to_lcpu(cpu1)->caches[_cl] == cpu_to_lcpu(cpu2)->caches[_cl])
 
+extern decl_simple_lock_data(, x86_topo_lock);
+
+extern void *cpu_thread_alloc(int);
 extern void cpu_thread_init(void);
 extern void cpu_thread_halt(void);
 
-extern int idlehalt;
-
-extern int ncore;
 #endif /* _I386_CPU_THREADS_H_ */