osfmk/i386/Diagnostics.h

   1 /*
   2  * Copyright (c) 2005 Apple Computer, 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_FREE_COPYRIGHT@
  30  */
  31 /*
  32  * @APPLE_FREE_COPYRIGHT@
  33  */
  34
  35 /*
  36  *      Here are the Diagnostic interface interfaces
  37  *      Lovingly crafted by Bill Angell using traditional methods
  38  */
  39 #ifdef  KERNEL_PRIVATE
  40
  41 #ifndef _DIAGNOSTICS_H_
  42 #define _DIAGNOSTICS_H_
  43
  44 #if !(defined(__i386__) || defined(__x86_64__))
  45 #error This file is not useful on non-Intel
  46 #endif
  47
  48 int diagCall64(x86_saved_state_t *regs);
  49
  50 #define diagSCnum 0x00006000
  51
  52 #define dgAdjTB 0
  53 #define dgLRA 1
  54 #define dgpcpy 2
  55 #define dgreset 3
  56 #define dgtest 4
  57 #define dgBMphys 5
  58 #define dgUnMap 6
  59 #define dgBootScreen 7
  60 #define dgFlush 8
  61 #define dgAlign 9
  62 #define dgGzallocTest 10
  63 #define dgmck 11
  64 #define dg64 12
  65 #define dgProbeRead 13
  66 #define dgCPNull 14
  67 #define dgPerfMon 15
  68 #define dgMapPage 16
  69 #define dgPowerStat 17
  70 #define dgBind 18
  71 #define dgAcntg 20
  72 #define dgKlra 21
  73 #define dgEnaPMC 22
  74 #define dgWar 23
  75 #define dgNapStat 24
  76 #define dgRuptStat 25
  77 #define dgPermCheck 26
  78
  79 typedef struct diagWork {                       /* Diagnostic work area */
  80         unsigned int dgLock;                    /* Lock if needed */
  81         unsigned int dgFlags;                   /* Flags */
  82 #define enaExpTrace 0x00000001
  83 #define enaUsrFCall 0x00000002
  84 #define enaUsrPhyMp 0x00000004
  85 #define enaDiagSCs  0x00000008
  86 #define enaDiagDM  0x00000010
  87 #define enaDiagEM  0x00000020
  88 #define enaDiagTrap  0x00000040
  89 #define enaNotifyEM  0x00000080
  90
  91         unsigned int dgMisc0;
  92         unsigned int dgMisc1;
  93         unsigned int dgMisc2;
  94         unsigned int dgMisc3;
  95         unsigned int dgMisc4;
  96         unsigned int dgMisc5;
  97 } diagWork;
  98
  99 extern diagWork dgWork;
 100
 101 #define FIXED_PMC (1 << 30)
 102 #define FIXED_PMC0 (FIXED_PMC)
 103 #define FIXED_PMC1 (FIXED_PMC | 1)
 104 #define FIXED_PMC2 (FIXED_PMC | 2)
 105 #define GPMC0 (0)
 106 #define GPMC1 (1)
 107 #define GPMC2 (2)
 108 #define GPMC3 (3)
 109
 110 static inline uint64_t
 111 read_pmc(uint32_t counter)
 112 {
 113         uint32_t lo = 0, hi = 0;
 114         __asm__ volatile ("rdpmc" : "=a" (lo), "=d" (hi) : "c" (counter));
 115         return (((uint64_t)hi) << 32) | ((uint64_t)lo);
 116 }
 117 #endif /* _DIAGNOSTICS_H_ */
 118
 119 #endif /* KERNEL_PRIVATE */