osfmk/kdp/ml/i386/kdp_x86_common.h

   1 /*
   2  * Copyright (c) 2011 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 #ifndef _KDP_X86_COMMON_H_
  30 #define _KDP_X86_COMMON_H_
  31
  32 #include <libsa/types.h>
  33 #include <mach/machine/vm_types.h>
  34 #include <i386/pmap.h>
  35
  36 /*
  37  * Attempt to discover all virtually contiguous ranges in a pmap
  38  * that have valid mappings to DRAM (not MMIO device memory for example).
  39  * Results are returned via a callback. If the callback returns an error,
  40  * traversal is aborted.
  41  */
  42 typedef int (*pmap_traverse_callback)(vm_map_offset_t start,
  43                                                                           vm_map_offset_t end,
  44                                                                           void *context);
  45
  46 extern int pmap_traverse_present_mappings(pmap_t pmap,
  47                                                                                   vm_map_offset_t start,
  48                                                                                   vm_map_offset_t end,
  49                                                                                   pmap_traverse_callback callback,
  50                                                                                   void *context);
  51
  52
  53 extern int kern_dump(void);
  54 extern size_t kern_collectth_state_size(void);
  55 extern void kern_collectth_state(thread_t thread, void *buffer, size_t size);
  56
  57 #endif /* _KDP_X86_COMMON_H_ */