[apple/xnu.git] / osfmk / chud / chud_xnu.h

/*
 * Copyright (c) 2003-2008 Apple 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. 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
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#ifndef _CHUD_XNU_H_
#define _CHUD_XNU_H_

#include <stdint.h>
#include <mach/boolean.h>
#include <mach/mach_types.h>
#include <kern/thread_call.h>

/* Unslide the provided pointer if it's a kernel address. */
static inline uint64_t
chudxnu_vm_unslide( uint64_t ptr, int kaddr )
{
	if( !kaddr )
		return ptr;

	return VM_KERNEL_UNSLIDE(ptr);
}

#if 0
#pragma mark **** version ****
#endif
extern uint32_t chudxnu_version(void);

#if 0
#pragma mark **** task ****
#endif
// ********************************************************************************
// task
// ********************************************************************************
extern kern_return_t chudxnu_task_read(task_t task, void *kernaddr, uint64_t usraddr, vm_size_t size);
extern kern_return_t chudxnu_task_write(task_t task, uint64_t useraddr, void *kernaddr, vm_size_t size);
extern kern_return_t chudxnu_kern_read(void *destaddr, vm_offset_t srcaddr, vm_size_t size);
extern kern_return_t chudxnu_kern_write(vm_offset_t destaddr, void *srcaddr, vm_size_t size);

extern boolean_t chudxnu_is_64bit_task(task_t task);

#if 0
#pragma mark **** thread ****
#endif
// ********************************************************************************
// thread
// ********************************************************************************
extern kern_return_t chudxnu_bind_thread(thread_t thread, int cpu, int options);
extern kern_return_t chudxnu_unbind_thread(thread_t thread, int options);

extern kern_return_t chudxnu_thread_get_state(thread_t thread, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t *count, boolean_t user_only);
extern kern_return_t chudxnu_thread_set_state(thread_t thread, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count, boolean_t user_only);

extern kern_return_t chudxnu_thread_get_callstack64(thread_t thread, uint64_t *callStack, mach_msg_type_number_t *count, boolean_t user_only);
extern kern_return_t chudxnu_thread_get_callstack64_kperf(thread_t thread, uint64_t *callStack, mach_msg_type_number_t *count, boolean_t user_only);

#if 0
#pragma mark **** memory ****
#endif
// ********************************************************************************
// memory
// ********************************************************************************

extern uint64_t chudxnu_avail_memory_size(void);
extern uint64_t chudxnu_phys_memory_size(void);
extern uint64_t chudxnu_free_memory_size(void);
extern uint64_t chudxnu_inactive_memory_size(void);

#if 0
#pragma mark **** cpu ****
#endif
// ********************************************************************************
// cpu
// ********************************************************************************
extern int chudxnu_logical_cpu_count(void);
extern int chudxnu_phys_cpu_count(void);
extern int chudxnu_cpu_number(void);

extern kern_return_t chudxnu_enable_cpu(int cpu, boolean_t enable);

extern boolean_t chudxnu_set_interrupts_enabled(boolean_t enable);
extern void chudxnu_cause_interrupt(void);

extern void chudxnu_enable_preemption(void);
extern void chudxnu_disable_preemption(void);
extern int chudxnu_get_preemption_level(void);

extern kern_return_t chudxnu_perfmon_acquire_facility(task_t);
extern kern_return_t chudxnu_perfmon_release_facility(task_t);

typedef struct {
    uint32_t hwResets;
    uint32_t hwMachineChecks;
    uint32_t hwDSIs;
    uint32_t hwISIs;
    uint32_t hwExternals;
    uint32_t hwAlignments;
    uint32_t hwPrograms;
    uint32_t hwFloatPointUnavailable;
    uint32_t hwDecrementers;
    uint32_t hwIOErrors;
    uint32_t hwSystemCalls;
    uint32_t hwTraces;
    uint32_t hwFloatingPointAssists;
    uint32_t hwPerformanceMonitors;
    uint32_t hwAltivecs;
    uint32_t hwInstBreakpoints;
    uint32_t hwSystemManagements;
    uint32_t hwAltivecAssists;
    uint32_t hwThermal;
    uint32_t hwSoftPatches;
    uint32_t hwMaintenances;
    uint32_t hwInstrumentations;
} interrupt_counters_t;

extern kern_return_t chudxnu_get_cpu_interrupt_counters(int cpu, interrupt_counters_t *rupts);
extern kern_return_t chudxnu_clear_cpu_interrupt_counters(int cpu);

#if 0
#pragma mark **** callbacks ****
#endif
// ********************************************************************************
// callbacks
// ********************************************************************************

extern void chudxnu_cancel_all_callbacks(void);

// cpu timer - each cpu has its own callback 
typedef kern_return_t (*chudxnu_cpu_timer_callback_func_t)(thread_flavor_t flavor, thread_state_t tstate,  mach_msg_type_number_t count);
extern kern_return_t chudxnu_cpu_timer_callback_enter(chudxnu_cpu_timer_callback_func_t func, uint32_t time, uint32_t units); // callback is entered on current cpu
extern kern_return_t chudxnu_cpu_timer_callback_cancel(void); // callback is cleared on current cpu
extern kern_return_t chudxnu_cpu_timer_callback_cancel_all(void); // callback is cleared on all cpus

enum {
    PPC_TRAP_PROGRAM		= 0x700,
    PPC_TRAP_TRACE		= 0xD00,
    PPC_TRAP_PERFMON		= 0xF00,
};

enum {
	X86_TRAP_DEBUG			= 0x1,
};

// trap callback - one callback for system
typedef kern_return_t (*chudxnu_trap_callback_func_t)(uint32_t trapentry, thread_flavor_t flavor, thread_state_t tstate,  mach_msg_type_number_t count);
extern kern_return_t chudxnu_trap_callback_enter(chudxnu_trap_callback_func_t func);
extern kern_return_t chudxnu_trap_callback_cancel(void);

enum {
    PPC_INTERRUPT_DECREMENTER	= 0x900,
    PPC_INTERRUPT_INTERRUPT	= 0x500,
    PPC_INTERRUPT_CPU_SIGNAL	= 0x2200,
};

enum {
    X86_INTERRUPT_PERFMON	= 0xB,
};

// interrupt callback - one callback for system
typedef kern_return_t (*chudxnu_interrupt_callback_func_t)(uint32_t trapentry, thread_flavor_t flavor, thread_state_t tstate,  mach_msg_type_number_t count);
extern kern_return_t chudxnu_interrupt_callback_enter(chudxnu_interrupt_callback_func_t func);
extern kern_return_t chudxnu_interrupt_callback_cancel(void);

// ast callback - one callback for system
typedef kern_return_t (*chudxnu_perfmon_ast_callback_func_t)(thread_flavor_t flavor, thread_state_t tstate,  mach_msg_type_number_t count);
extern kern_return_t chudxnu_perfmon_ast_callback_enter(chudxnu_perfmon_ast_callback_func_t func);
extern kern_return_t chudxnu_perfmon_ast_callback_cancel(void);
extern kern_return_t chudxnu_perfmon_ast_send_urgent(boolean_t urgent);

// cpusig callback - one callback for system
typedef kern_return_t (*chudxnu_cpusig_callback_func_t)(int request, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count);
extern kern_return_t chudxnu_cpusig_callback_enter(chudxnu_cpusig_callback_func_t func);
extern kern_return_t chudxnu_cpusig_callback_cancel(void);
extern kern_return_t chudxnu_cpusig_send(int otherCPU, uint32_t request);

// kdebug callback - one callback for system
typedef kern_return_t (*chudxnu_kdebug_callback_func_t)(uint32_t debugid, uintptr_t arg0, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
extern kern_return_t chudxnu_kdebug_callback_enter(chudxnu_kdebug_callback_func_t func);
extern kern_return_t chudxnu_kdebug_callback_cancel(void);

// timer callback - multiple callbacks
typedef kern_return_t (*chudxnu_timer_callback_func_t)(thread_call_param_t param0, thread_call_param_t param1);
typedef void *	chud_timer_t;
extern chud_timer_t chudxnu_timer_alloc(chudxnu_timer_callback_func_t func, thread_call_param_t param0);
extern kern_return_t chudxnu_timer_callback_enter(chud_timer_t timer, thread_call_param_t param1, uint32_t time, uint32_t units);
extern kern_return_t chudxnu_timer_callback_cancel(chud_timer_t timer);
extern kern_return_t chudxnu_timer_free(chud_timer_t timer);

// CHUD systemcall callback - one callback for system
typedef kern_return_t (*chudxnu_syscall_callback_func_t)(uint64_t code, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5);
extern kern_return_t chudxnu_syscall_callback_enter(chudxnu_syscall_callback_func_t func);
extern kern_return_t chudxnu_syscall_callback_cancel(void);

// ********************************************************************************
// DEPRECATED
// ********************************************************************************
extern kern_return_t chudxnu_thread_get_callstack(thread_t thread, uint32_t *callStack, mach_msg_type_number_t *count, boolean_t user_only);

extern kern_return_t chudxnu_set_shadowed_spr(int cpu, int spr, uint32_t val);
extern kern_return_t chudxnu_set_shadowed_spr64(int cpu, int spr, uint64_t val);

extern kern_return_t chudxnu_enable_cpu_nap(int cpu, boolean_t enable);
extern boolean_t chudxnu_cpu_nap_enabled(int cpu);

extern kern_return_t chudxnu_read_spr(int cpu, int spr, uint32_t *val_p);
extern kern_return_t chudxnu_read_spr64(int cpu, int spr, uint64_t *val_p);
extern kern_return_t chudxnu_write_spr(int cpu, int spr, uint32_t val);
extern kern_return_t chudxnu_write_spr64(int cpu, int spr, uint64_t val);

#endif /* _CHUD_XNU_H_ */
Commit	Line	Data
0c530ab8	1	/*
b0d623f7	2	* Copyright (c) 2003-2008 Apple Inc. All rights reserved.
0c530ab8	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
0c530ab8	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
0c530ab8	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
0c530ab8 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
0c530ab8 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
0c530ab8	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
0c530ab8 A	27	*/
	28
	29	#ifndef _CHUD_XNU_H_
	30	#define _CHUD_XNU_H_
	31
0c530ab8 A	32	#include <stdint.h>
	33	#include <mach/boolean.h>
	34	#include <mach/mach_types.h>
b0d623f7	35	#include <kern/thread_call.h>
0c530ab8	36
39236c6e A	37	/* Unslide the provided pointer if it's a kernel address. */
	38	static inline uint64_t
	39	chudxnu_vm_unslide( uint64_t ptr, int kaddr )
	40	{
	41	if( !kaddr )
	42	return ptr;
	43
	44	return VM_KERNEL_UNSLIDE(ptr);
	45	}
	46
b0d623f7	47	#if 0
0c530ab8	48	#pragma mark ** version **
b0d623f7	49	#endif
0c530ab8 A	50	extern uint32_t chudxnu_version(void);
0c530ab8 A	51
b0d623f7	52	#if 0
0c530ab8	53	#pragma mark ** task **
b0d623f7	54	#endif
0c530ab8 A	55	// ********************************************************************************
	56	// task
	57	// ********************************************************************************
0c530ab8 A	58	extern kern_return_t chudxnu_task_read(task_t task, void *kernaddr, uint64_t usraddr, vm_size_t size);
	59	extern kern_return_t chudxnu_task_write(task_t task, uint64_t useraddr, void *kernaddr, vm_size_t size);
	60	extern kern_return_t chudxnu_kern_read(void *destaddr, vm_offset_t srcaddr, vm_size_t size);
	61	extern kern_return_t chudxnu_kern_write(vm_offset_t destaddr, void *srcaddr, vm_size_t size);
	62
	63	extern boolean_t chudxnu_is_64bit_task(task_t task);
	64
b0d623f7	65	#if 0
0c530ab8	66	#pragma mark ** thread **
b0d623f7	67	#endif
0c530ab8 A	68	// ********************************************************************************
	69	// thread
	70	// ********************************************************************************
2d21ac55 A	71	extern kern_return_t chudxnu_bind_thread(thread_t thread, int cpu, int options);
2d21ac55 A	72	extern kern_return_t chudxnu_unbind_thread(thread_t thread, int options);
0c530ab8 A	73
	74	extern kern_return_t chudxnu_thread_get_state(thread_t thread, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t *count, boolean_t user_only);
	75	extern kern_return_t chudxnu_thread_set_state(thread_t thread, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count, boolean_t user_only);
0c530ab8	76
0c530ab8	77	extern kern_return_t chudxnu_thread_get_callstack64(thread_t thread, uint64_t callStack, mach_msg_type_number_t count, boolean_t user_only);
39236c6e	78	extern kern_return_t chudxnu_thread_get_callstack64_kperf(thread_t thread, uint64_t callStack, mach_msg_type_number_t count, boolean_t user_only);
0c530ab8	79
b0d623f7	80	#if 0
0c530ab8	81	#pragma mark ** memory **
b0d623f7	82	#endif
0c530ab8 A	83	// ********************************************************************************
	84	// memory
	85	// ********************************************************************************
	86
	87	extern uint64_t chudxnu_avail_memory_size(void);
	88	extern uint64_t chudxnu_phys_memory_size(void);
	89	extern uint64_t chudxnu_free_memory_size(void);
2d21ac55	90	extern uint64_t chudxnu_inactive_memory_size(void);
0c530ab8	91
b0d623f7	92	#if 0
0c530ab8	93	#pragma mark ** cpu **
b0d623f7	94	#endif
0c530ab8 A	95	// ********************************************************************************
	96	// cpu
	97	// ********************************************************************************
2d21ac55	98	extern int chudxnu_logical_cpu_count(void);
0c530ab8 A	99	extern int chudxnu_phys_cpu_count(void);
	100	extern int chudxnu_cpu_number(void);
	101
	102	extern kern_return_t chudxnu_enable_cpu(int cpu, boolean_t enable);
	103
0c530ab8	104	extern boolean_t chudxnu_set_interrupts_enabled(boolean_t enable);
0c530ab8 A	105	extern void chudxnu_cause_interrupt(void);
	106
	107	extern void chudxnu_enable_preemption(void);
	108	extern void chudxnu_disable_preemption(void);
	109	extern int chudxnu_get_preemption_level(void);
	110
0c530ab8 A	111	extern kern_return_t chudxnu_perfmon_acquire_facility(task_t);
	112	extern kern_return_t chudxnu_perfmon_release_facility(task_t);
	113
0c530ab8 A	114	typedef struct {
	115	uint32_t hwResets;
	116	uint32_t hwMachineChecks;
	117	uint32_t hwDSIs;
	118	uint32_t hwISIs;
	119	uint32_t hwExternals;
	120	uint32_t hwAlignments;
	121	uint32_t hwPrograms;
	122	uint32_t hwFloatPointUnavailable;
	123	uint32_t hwDecrementers;
	124	uint32_t hwIOErrors;
	125	uint32_t hwSystemCalls;
	126	uint32_t hwTraces;
	127	uint32_t hwFloatingPointAssists;
	128	uint32_t hwPerformanceMonitors;
	129	uint32_t hwAltivecs;
	130	uint32_t hwInstBreakpoints;
	131	uint32_t hwSystemManagements;
	132	uint32_t hwAltivecAssists;
	133	uint32_t hwThermal;
	134	uint32_t hwSoftPatches;
	135	uint32_t hwMaintenances;
	136	uint32_t hwInstrumentations;
b0d623f7	137	} interrupt_counters_t;
0c530ab8	138
b0d623f7	139	extern kern_return_t chudxnu_get_cpu_interrupt_counters(int cpu, interrupt_counters_t *rupts);
2d21ac55	140	extern kern_return_t chudxnu_clear_cpu_interrupt_counters(int cpu);
0c530ab8	141
b0d623f7	142	#if 0
0c530ab8	143	#pragma mark ** callbacks **
b0d623f7	144	#endif
0c530ab8 A	145	// ********************************************************************************
	146	// callbacks
	147	// ********************************************************************************
	148
	149	extern void chudxnu_cancel_all_callbacks(void);
	150
	151	// cpu timer - each cpu has its own callback
	152	typedef kern_return_t (*chudxnu_cpu_timer_callback_func_t)(thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count);
	153	extern kern_return_t chudxnu_cpu_timer_callback_enter(chudxnu_cpu_timer_callback_func_t func, uint32_t time, uint32_t units); // callback is entered on current cpu
	154	extern kern_return_t chudxnu_cpu_timer_callback_cancel(void); // callback is cleared on current cpu
	155	extern kern_return_t chudxnu_cpu_timer_callback_cancel_all(void); // callback is cleared on all cpus
	156
	157	enum {
	158	PPC_TRAP_PROGRAM = 0x700,
	159	PPC_TRAP_TRACE = 0xD00,
	160	PPC_TRAP_PERFMON = 0xF00,
	161	};
	162
	163	enum {
	164	X86_TRAP_DEBUG = 0x1,
	165	};
	166
	167	// trap callback - one callback for system
	168	typedef kern_return_t (*chudxnu_trap_callback_func_t)(uint32_t trapentry, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count);
	169	extern kern_return_t chudxnu_trap_callback_enter(chudxnu_trap_callback_func_t func);
	170	extern kern_return_t chudxnu_trap_callback_cancel(void);
	171
	172	enum {
	173	PPC_INTERRUPT_DECREMENTER = 0x900,
	174	PPC_INTERRUPT_INTERRUPT = 0x500,
	175	PPC_INTERRUPT_CPU_SIGNAL = 0x2200,
	176	};
	177
	178	enum {
	179	X86_INTERRUPT_PERFMON = 0xB,
	180	};
	181
	182	// interrupt callback - one callback for system
	183	typedef kern_return_t (*chudxnu_interrupt_callback_func_t)(uint32_t trapentry, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count);
	184	extern kern_return_t chudxnu_interrupt_callback_enter(chudxnu_interrupt_callback_func_t func);
	185	extern kern_return_t chudxnu_interrupt_callback_cancel(void);
	186
	187	// ast callback - one callback for system
	188	typedef kern_return_t (*chudxnu_perfmon_ast_callback_func_t)(thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count);
	189	extern kern_return_t chudxnu_perfmon_ast_callback_enter(chudxnu_perfmon_ast_callback_func_t func);
	190	extern kern_return_t chudxnu_perfmon_ast_callback_cancel(void);
0c530ab8 A	191	extern kern_return_t chudxnu_perfmon_ast_send_urgent(boolean_t urgent);
	192
	193	// cpusig callback - one callback for system
	194	typedef kern_return_t (*chudxnu_cpusig_callback_func_t)(int request, thread_flavor_t flavor, thread_state_t tstate, mach_msg_type_number_t count);
	195	extern kern_return_t chudxnu_cpusig_callback_enter(chudxnu_cpusig_callback_func_t func);
	196	extern kern_return_t chudxnu_cpusig_callback_cancel(void);
	197	extern kern_return_t chudxnu_cpusig_send(int otherCPU, uint32_t request);
	198
	199	// kdebug callback - one callback for system
b0d623f7	200	typedef kern_return_t (*chudxnu_kdebug_callback_func_t)(uint32_t debugid, uintptr_t arg0, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t arg4);
0c530ab8 A	201	extern kern_return_t chudxnu_kdebug_callback_enter(chudxnu_kdebug_callback_func_t func);
	202	extern kern_return_t chudxnu_kdebug_callback_cancel(void);
	203
	204	// timer callback - multiple callbacks
b0d623f7	205	typedef kern_return_t (*chudxnu_timer_callback_func_t)(thread_call_param_t param0, thread_call_param_t param1);
0c530ab8	206	typedef void * chud_timer_t;
b0d623f7 A	207	extern chud_timer_t chudxnu_timer_alloc(chudxnu_timer_callback_func_t func, thread_call_param_t param0);
b0d623f7 A	208	extern kern_return_t chudxnu_timer_callback_enter(chud_timer_t timer, thread_call_param_t param1, uint32_t time, uint32_t units);
0c530ab8 A	209	extern kern_return_t chudxnu_timer_callback_cancel(chud_timer_t timer);
	210	extern kern_return_t chudxnu_timer_free(chud_timer_t timer);
	211
	212	// CHUD systemcall callback - one callback for system
b0d623f7	213	typedef kern_return_t (*chudxnu_syscall_callback_func_t)(uint64_t code, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5);
0c530ab8 A	214	extern kern_return_t chudxnu_syscall_callback_enter(chudxnu_syscall_callback_func_t func);
	215	extern kern_return_t chudxnu_syscall_callback_cancel(void);
	216
	217	// ********************************************************************************
	218	// DEPRECATED
	219	// ********************************************************************************
2d21ac55	220	extern kern_return_t chudxnu_thread_get_callstack(thread_t thread, uint32_t callStack, mach_msg_type_number_t count, boolean_t user_only);
0c530ab8	221
b0d623f7 A	222	extern kern_return_t chudxnu_set_shadowed_spr(int cpu, int spr, uint32_t val);
b0d623f7 A	223	extern kern_return_t chudxnu_set_shadowed_spr64(int cpu, int spr, uint64_t val);
0c530ab8	224
2d21ac55 A	225	extern kern_return_t chudxnu_enable_cpu_nap(int cpu, boolean_t enable);
	226	extern boolean_t chudxnu_cpu_nap_enabled(int cpu);
	227
2d21ac55 A	228	extern kern_return_t chudxnu_read_spr(int cpu, int spr, uint32_t *val_p);
	229	extern kern_return_t chudxnu_read_spr64(int cpu, int spr, uint64_t *val_p);
	230	extern kern_return_t chudxnu_write_spr(int cpu, int spr, uint32_t val);
	231	extern kern_return_t chudxnu_write_spr64(int cpu, int spr, uint64_t val);
	232
0c530ab8	233	#endif /* _CHUD_XNU_H_ */