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 extern bool cpu_has_SIGPdebug_pending(void); 59 60 #define SIGPnop 0x00000000U /* Send IPI with no service */ 61 #define SIGPdec 0x00000001U /* Request decremeter service */ 62 /* 0x2U unused */ 63 #define SIGPxcall 0x00000004U /* Call a function on a processor */ 64 #define SIGPast 0x00000008U /* Request AST check */ 65 #define SIGPdebug 0x00000010U /* Request Debug call */ 66 #define SIGPLWFlush 0x00000020UL /* Request LWFlush call */ 67 #define SIGPLWClean 0x00000040UL /* Request LWClean call */ 68 #define SIGPkppet 0x00000100U /* Request kperf PET handler */ 69 #define SIGPxcallImm 0x00000200U /* Send a cross-call, fail if already pending */ 70 71 #define SIGPdisabled 0x80000000U /* Signal disabled */ 72 73 extern unsigned int real_ncpus; 74 75 #if defined(CONFIG_XNUPOST) && __arm64__ 76 extern void arm64_ipi_test(void); 77 #endif /* defined(CONFIG_XNUPOST) && __arm64__ */ 78 79 #if defined(KERNEL_INTEGRITY_CTRR) 80 extern void init_ctrr_cluster_states(void); 81 extern lck_spin_t ctrr_cpu_start_lck; 82 enum ctrr_cluster_states { CTRR_UNLOCKED = 0, CTRR_LOCKING, CTRR_LOCKED }; 83 extern enum ctrr_cluster_states ctrr_cluster_locked[MAX_CPU_CLUSTERS]; 84 #endif /* defined(KERNEL_INTEGRITY_CTRR) */ 85 86 #endif /* _ARM_CPU_INTERNAL_H_ */ 87