osfmk/ppc/Diagnostics.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_FREE_COPYRIGHT@
  27  */
  28 /*
  29  * @APPLE_FREE_COPYRIGHT@
  30  */
  31
  32 /*
  33  * Here are the Diagnostic interface interfaces
  34  * Lovingly crafted by Bill Angell using traditional methods
  35 */
  36
  37 #ifndef _DIAGNOSTICS_H_
  38 #define _DIAGNOSTICS_H_
  39
  40 #ifndef __ppc__
  41 #error This file is only useful on PowerPC.
  42 #endif
  43 #include <ppc/savearea.h>
  44
  45 int diagCall(struct savearea *save);
  46
  47 #define diagSCnum 0x00006000
  48
  49 #define dgAdjTB 0
  50 #define dgLRA 1
  51 #define dgpcpy 2
  52 #define dgreset 3
  53 #define dgtest 4
  54 #define dgBMphys 5
  55 #define dgUnMap 6
  56 #define dgBootScreen 7
  57 #define dgFlush 8
  58 #define dgAlign 9
  59 #define dgprw 10
  60 #define dgmck 11
  61 #define dg64 12
  62 #define dgProbeRead 13
  63 #define dgCPNull 14
  64 #define dgPerfMon 15
  65 #define dgMapPage 16
  66 #define dgScom 17
  67
  68
  69 typedef struct diagWork {                       /* Diagnostic work area */
  70
  71         unsigned int dgLock;                    /* Lock if needed */
  72         unsigned int dgFlags;                   /* Flags */
  73 #define enaExpTrace 0x00000001
  74 #define enaExpTraceb 31
  75 #define enaUsrFCall 0x00000002
  76 #define enaUsrFCallb 30
  77 #define enaUsrPhyMp 0x00000004
  78 #define enaUsrPhyMpb 29
  79 #define enaDiagSCs  0x00000008
  80 #define enaDiagSCsb  28
  81 #define enaDiagDM  0x00000010
  82 #define enaDiagSDMb  27
  83 #define enaDiagEM  0x00000020
  84 #define enaDiagEMb  26
  85 #define enaDiagTrap  0x00000040
  86 #define enaDiagTrapb  25
  87 #define enaNotifyEM  0x00000080
  88 #define enaNotifyEMb  24
  89 /* Suppress lock checks */
  90 #define disLkType 0x80000000
  91 #define disLktypeb 0
  92 #define disLkThread 0x40000000
  93 #define disLkThreadb 1
  94 #define disLkNmSimp     0x20000000
  95 #define disLkNmSimpb 2
  96 #define disLkMyLck 0x10000000
  97 #define disLkMyLckb 3
  98
  99         unsigned int dgMisc0;
 100         unsigned int dgMisc1;
 101         unsigned int dgMisc2;
 102         unsigned int dgMisc3;
 103         unsigned int dgMisc4;
 104         unsigned int dgMisc5;
 105
 106 } diagWork;
 107
 108 typedef struct scomcomm {
 109         uint16_t        scomcpu;        /* CPU number */
 110         uint16_t        scomfunc;       /* 0 = read; 1 = write */
 111         uint32_t        scomreg;        /* SCOM register */
 112         uint64_t        scomstat;       /* returned status */
 113         uint64_t        scomdata;       /* input for write,  output for read */
 114 } scomcomm;
 115
 116 extern diagWork dgWork;
 117 extern int diagTrap(struct savearea *, unsigned int);
 118
 119
 120 #endif /* _DIAGNOSTICS_H_ */