| 1 | /* | 
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| 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. | 
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| 3 | * | 
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| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | 
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| 5 | * | 
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| 6 | * This file contains Original Code and/or Modifications of Original Code | 
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| 7 | * as defined in and that are subject to the Apple Public Source License | 
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| 8 | * Version 2.0 (the 'License'). You may not use this file except in | 
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| 9 | * compliance with the License. The rights granted to you under the License | 
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| 10 | * may not be used to create, or enable the creation or redistribution of, | 
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| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | 
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| 12 | * circumvent, violate, or enable the circumvention or violation of, any | 
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| 13 | * terms of an Apple operating system software license agreement. | 
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| 14 | * | 
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| 15 | * Please obtain a copy of the License at | 
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| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | 
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| 17 | * | 
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| 18 | * The Original Code and all software distributed under the License are | 
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| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | 
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| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | 
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| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | 
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| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | 
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| 23 | * Please see the License for the specific language governing rights and | 
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| 24 | * limitations under the License. | 
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| 25 | * | 
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| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | 
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| 27 | */ | 
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| 28 |  | 
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| 29 | /* | 
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| 30 | * Internal definitions for kdp module | 
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| 31 | */ | 
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| 32 |  | 
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| 33 | #include <kdp/kdp.h> | 
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| 34 | #include <kern/machine.h> | 
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| 35 | #include <kdp/kdp_protocol.h> | 
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| 36 | #include <mach/vm_types.h> | 
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| 37 | #include <mach/boolean.h> | 
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| 38 | #include <mach/mach_types.h> | 
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| 39 | #include <libsa/types.h> | 
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| 40 |  | 
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| 41 | typedef struct { | 
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| 42 | void                        *saved_state; | 
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| 43 | thread_t                    kdp_thread; | 
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| 44 | int                         kdp_cpu; | 
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| 45 | uint32_t                    session_key; | 
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| 46 | unsigned int                conn_seq; | 
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| 47 | unsigned short              reply_port; | 
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| 48 | unsigned short              exception_port; | 
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| 49 | boolean_t                   is_conn; | 
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| 50 | boolean_t                   is_halted; | 
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| 51 | unsigned char               exception_seq; | 
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| 52 | boolean_t                   exception_ack_needed; | 
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| 53 | } kdp_glob_t; | 
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| 54 |  | 
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| 55 | extern kdp_glob_t       kdp; | 
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| 56 |  | 
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| 57 | extern volatile int     kdp_flag; | 
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| 58 | extern int            noresume_on_disconnect; | 
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| 59 |  | 
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| 60 | extern char kdp_kernelversion_string[256]; | 
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| 61 |  | 
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| 62 | #define KDP_READY       0x1 | 
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| 63 | #define KDP_ARP         0x2 | 
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| 64 | #define KDP_BP_DIS      0x4 | 
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| 65 | #define KDP_GETC_ENA    0x8 | 
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| 66 | #define KDP_PANIC_DUMP_ENABLED 0x10 | 
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| 67 | #define PANIC_CORE_ON_NMI 0x20 | 
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| 68 | #define DBG_POST_CORE     0x40 | 
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| 69 | #define PANIC_LOG_DUMP    0x80 | 
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| 70 | #define REBOOT_POST_CORE  0x100 | 
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| 71 | #define SYSTEM_LOG_DUMP   0x200 | 
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| 72 | typedef boolean_t | 
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| 73 | (*kdp_dispatch_t) ( | 
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| 74 | kdp_pkt_t *, | 
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| 75 | int  *, | 
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| 76 | unsigned short * | 
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| 77 | ); | 
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| 78 |  | 
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| 79 | extern | 
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| 80 | boolean_t | 
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| 81 | kdp_packet( | 
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| 82 | unsigned char *, | 
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| 83 | int *, | 
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| 84 | unsigned short * | 
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| 85 | ); | 
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| 86 |  | 
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| 87 | extern | 
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| 88 | boolean_t | 
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| 89 | kdp_remove_all_breakpoints(void); | 
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| 90 |  | 
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| 91 | extern | 
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| 92 | void | 
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| 93 | kdp_exception( | 
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| 94 | unsigned char *, | 
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| 95 | int *, | 
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| 96 | unsigned short *, | 
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| 97 | unsigned int, | 
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| 98 | unsigned int, | 
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| 99 | unsigned int | 
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| 100 | ); | 
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| 101 |  | 
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| 102 | extern | 
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| 103 | boolean_t | 
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| 104 | kdp_exception_ack( | 
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| 105 | unsigned char *, | 
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| 106 | int | 
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| 107 | ); | 
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| 108 |  | 
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| 109 | extern | 
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| 110 | void | 
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| 111 | kdp_panic( | 
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| 112 | const char          *fmt, | 
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| 113 | ... | 
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| 114 | ) __printflike(1, 2); | 
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| 115 |  | 
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| 116 | extern | 
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| 117 | void | 
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| 118 | kdp_machine_reboot( | 
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| 119 | void | 
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| 120 | ); | 
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| 121 |  | 
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| 122 | extern | 
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| 123 | void | 
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| 124 | kdp_us_spin( | 
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| 125 | int usec | 
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| 126 | ); | 
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| 127 |  | 
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| 128 | extern | 
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| 129 | int | 
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| 130 | kdp_intr_disbl( | 
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| 131 | void | 
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| 132 | ); | 
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| 133 |  | 
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| 134 | extern | 
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| 135 | void | 
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| 136 | kdp_intr_enbl( | 
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| 137 | int s | 
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| 138 | ); | 
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| 139 |  | 
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| 140 | extern | 
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| 141 | kdp_error_t | 
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| 142 | kdp_machine_read_regs( | 
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| 143 | unsigned int cpu, | 
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| 144 | unsigned int flavor, | 
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| 145 | char *data, | 
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| 146 | int *size | 
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| 147 | ); | 
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| 148 |  | 
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| 149 | extern | 
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| 150 | kdp_error_t | 
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| 151 | kdp_machine_write_regs( | 
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| 152 | unsigned int cpu, | 
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| 153 | unsigned int flavor, | 
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| 154 | char *data, | 
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| 155 | int *size | 
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| 156 | ); | 
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| 157 |  | 
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| 158 | extern | 
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| 159 | void | 
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| 160 | kdp_machine_hostinfo( | 
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| 161 | kdp_hostinfo_t *hostinfo | 
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| 162 | ); | 
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| 163 |  | 
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| 164 | extern | 
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| 165 | void | 
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| 166 | kdp_sync_cache( | 
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| 167 | void | 
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| 168 | ); | 
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| 169 |  | 
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| 170 | /* Return a byte array that can be byte-copied to a memory address | 
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| 171 | * to trap into the debugger. Must be 4 bytes or less in the current | 
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| 172 | * implementation | 
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| 173 | */ | 
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| 174 | #define MAX_BREAKINSN_BYTES 4 | 
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| 175 |  | 
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| 176 | void | 
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| 177 | kdp_machine_get_breakinsn( | 
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| 178 | uint8_t *bytes, | 
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| 179 | uint32_t *size | 
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| 180 | ); | 
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| 181 |  | 
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| 182 | extern void | 
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| 183 | kdp_ml_enter_debugger( | 
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| 184 | void | 
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| 185 | ); | 
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| 186 |  | 
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| 187 | mach_vm_size_t | 
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| 188 | kdp_machine_vm_read( mach_vm_address_t, caddr_t, mach_vm_size_t); | 
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| 189 |  | 
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| 190 | mach_vm_size_t | 
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| 191 | kdp_machine_vm_write( caddr_t, mach_vm_address_t, mach_vm_size_t); | 
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| 192 |  | 
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| 193 | mach_vm_size_t | 
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| 194 | kdp_machine_phys_read(kdp_readphysmem64_req_t * rq, caddr_t /* data */, | 
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| 195 | uint16_t /* lcpu */); | 
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| 196 |  | 
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| 197 | mach_vm_size_t | 
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| 198 | kdp_machine_phys_write(kdp_writephysmem64_req_t * rq, caddr_t /* data */, | 
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| 199 | uint16_t /* lcpu */); | 
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| 200 |  | 
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| 201 | int | 
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| 202 | kdp_machine_ioport_read(kdp_readioport_req_t *, caddr_t /* data */, uint16_t /* lcpu */); | 
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| 203 |  | 
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| 204 | int | 
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| 205 | kdp_machine_ioport_write(kdp_writeioport_req_t *, caddr_t /* data */, uint16_t /* lcpu */); | 
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| 206 |  | 
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| 207 | int | 
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| 208 | kdp_machine_msr64_read(kdp_readmsr64_req_t *, caddr_t /* data */, uint16_t /* lcpu */); | 
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| 209 |  | 
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| 210 | int | 
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| 211 | kdp_machine_msr64_write(kdp_writemsr64_req_t *, caddr_t /* data */, uint16_t /* lcpu */); | 
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| 212 |  | 
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| 213 | vm_map_offset_t | 
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| 214 | kdp_core_start_addr(void); | 
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| 215 |  | 
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