/*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2008 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/cpu_topology.h>
+#include <i386/mp.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)
+
+#define cpu_to_lcpu(cpu) ((cpu_datap(cpu) != NULL) ? _cpu_to_lcpu(cpu) : NULL)
+#define cpu_to_core(cpu) ((cpu_to_lcpu(cpu) != NULL) ? _cpu_to_lcpu(cpu)->core : NULL)
+#define cpu_to_die(cpu) ((cpu_to_lcpu(cpu) != NULL) ? _cpu_to_lcpu(cpu)->die : NULL)
+#define cpu_to_package(cpu) ((cpu_to_lcpu(cpu) != NULL) ? _cpu_to_lcpu(cpu)->package : NULL)
/* Fast access: */
-#define cpu_core() ((cpu_core_t *) get_cpu_core())
+#define x86_lcpu() (¤t_cpu_datap()->lcpu)
+#define x86_core() (x86_lcpu()->core)
+#define x86_die() (x86_lcpu()->die)
+#define x86_package() (x86_lcpu()->package)
#define cpu_is_same_core(cpu1,cpu2) (cpu_to_core(cpu1) == cpu_to_core(cpu2))
+#define cpu_is_same_die(cpu1,cpu2) (cpu_to_die(cpu1) == cpu_to_die(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 void x86_set_logical_topology(x86_lcpu_t *lcpu, int pnum, int lnum);
+extern void x86_validate_topology(void);
+
+extern x86_topology_parameters_t topoParms;
+
+extern boolean_t topo_dbg;
+#define TOPO_DBG(x...) \
+ do { \
+ if (topo_dbg) \
+ kprintf(x); \
+ } while (0) \
-extern int ncore;
#endif /* _I386_CPU_THREADS_H_ */
projects / apple / xnu.git / blobdiff