osfmk/arm/cpuid_internal.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 _ARM_CPUID_INTERNAL_H_
  30 #define _ARM_CPUID_INTERNAL_H_
  31
  32 void machine_do_debugid(void);
  33 arm_debug_info_t *machine_arm_debug_info(void);
  34
  35 void machine_do_mvfpid(void);
  36 arm_mvfp_info_t *machine_arm_mvfp_info(void);
  37
  38 uint32_t machine_read_midr(void);
  39 uint32_t machine_read_clidr(void);
  40 uint32_t machine_read_ccsidr(void);
  41
  42 typedef enum {
  43         CSSELR_L1 = 0x0,
  44         CSSELR_L2 = 0x2,
  45         CSSELR_L3 = 0x4
  46 } csselr_cache_level;
  47
  48 typedef enum {
  49         CSSELR_DATA_UNIFIED = 0x0,
  50         CSSELR_INSTR = 0x1
  51 } csselr_cache_type;
  52
  53 void machine_write_csselr(csselr_cache_level level, csselr_cache_type type);
  54
  55 #endif /* _ARM_CPUID_INTERNAL_H_ */