osfmk/arm/cpu_internal.h

   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_ */