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	1	/*
	2	* Copyright (c) 2007 Apple Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	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.
	14	*
	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
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	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.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	* @OSF_COPYRIGHT@
	30	*/
	31	#ifndef _ARM_CPU_INTERNAL_H_
	32	#define _ARM_CPU_INTERNAL_H_
	33
	34
	35	#include <mach/kern_return.h>
	36	#include <arm/cpu_data_internal.h>
	37
	38	extern void cpu_bootstrap(
	39	void);
	40
	41	extern void cpu_init(
	42	void);
	43
	44	extern void cpu_timebase_init(boolean_t from_boot);
	45
	46	extern kern_return_t cpu_signal(
	47	cpu_data_t *target,
	48	unsigned int signal,
	49	void *p0,
	50	void *p1);
	51
	52	extern kern_return_t cpu_signal_deferred(
	53	cpu_data_t *target);
	54
	55	extern void cpu_signal_cancel(
	56	cpu_data_t *target);
	57
	58	#define SIGPnop 0x00000000U /* Send IPI with no service */
	59	#define SIGPdec 0x00000001U /* Request decremeter service */
	60	/* 0x2U unused */
	61	#define SIGPxcall 0x00000004U /* Call a function on a processor */
	62	#define SIGPast 0x00000008U /* Request AST check */
	63	#define SIGPdebug 0x00000010U /* Request Debug call */
	64	#define SIGPLWFlush 0x00000020UL /* Request LWFlush call */
	65	#define SIGPLWClean 0x00000040UL /* Request LWClean call */
	66	#define SIGPkppet 0x00000100U /* Request kperf PET handler */
	67	#define SIGPxcallImm 0x00000200U /* Send a cross-call, fail if already pending */
	68
	69	#define SIGPdisabled 0x80000000U /* Signal disabled */
	70
	71	extern unsigned int real_ncpus;
	72
	73	#if defined(CONFIG_XNUPOST) && __arm64__
	74	extern void arm64_ipi_test(void);
	75	#endif /* defined(CONFIG_XNUPOST) && __arm64__ */
	76
	77	#if defined(KERNEL_INTEGRITY_CTRR)
	78	extern void init_ctrr_cluster_states(void);
	79	extern lck_spin_t ctrr_cpu_start_lck;
	80	enum ctrr_cluster_states { CTRR_UNLOCKED = 0, CTRR_LOCKING, CTRR_LOCKED };
	81	extern enum ctrr_cluster_states ctrr_cluster_locked[MAX_CPU_CLUSTERS];
	82	#endif /* defined(KERNEL_INTEGRITY_CTRR) */
	83
	84	#endif /* _ARM_CPU_INTERNAL_H_ */