osfmk/ppc/Diagnostics.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_FREE_COPYRIGHT@
  24  */
  25 /*
  26  * @APPLE_FREE_COPYRIGHT@
  27  */
  28
  29 /*
  30  * Here are the Diagnostic interface interfaces
  31  * Lovingly crafted by Bill Angell using traditional methods
  32 */
  33
  34 #ifndef _DIAGNOSTICS_H_
  35 #define _DIAGNOSTICS_H_
  36
  37 #ifndef __ppc__
  38 #error This file is only useful on PowerPC.
  39 #endif
  40 #include <ppc/savearea.h>
  41
  42 int diagCall(struct savearea *save);
  43
  44 #define diagSCnum 0x00006000
  45
  46 #define dgAdjTB 0
  47 #define dgLRA 1
  48 #define dgpcpy 2
  49 #define dgreset 3
  50 #define dgtest 4
  51 #define dgBMphys 5
  52 #define dgUnMap 6
  53 #define dgBootScreen 7
  54 #define dgFlush 8
  55 #define dgAlign 9
  56 #define dgprw 10
  57 #define dgmck 11
  58 #define dg64 12
  59 #define dgProbeRead 13
  60 #define dgCPNull 14
  61 #define dgPerfMon 15
  62 #define dgMapPage 16
  63 #define dgScom 17
  64
  65
  66 typedef struct diagWork {                       /* Diagnostic work area */
  67
  68         unsigned int dgLock;                    /* Lock if needed */
  69         unsigned int dgFlags;                   /* Flags */
  70 #define enaExpTrace 0x00000001
  71 #define enaExpTraceb 31
  72 #define enaUsrFCall 0x00000002
  73 #define enaUsrFCallb 30
  74 #define enaUsrPhyMp 0x00000004
  75 #define enaUsrPhyMpb 29
  76 #define enaDiagSCs  0x00000008
  77 #define enaDiagSCsb  28
  78 #define enaDiagDM  0x00000010
  79 #define enaDiagSDMb  27
  80 #define enaDiagEM  0x00000020
  81 #define enaDiagEMb  26
  82 #define enaDiagTrap  0x00000040
  83 #define enaDiagTrapb  25
  84 #define enaNotifyEM  0x00000080
  85 #define enaNotifyEMb  24
  86 /* Suppress lock checks */
  87 #define disLkType 0x80000000
  88 #define disLktypeb 0
  89 #define disLkThread 0x40000000
  90 #define disLkThreadb 1
  91 #define disLkNmSimp     0x20000000
  92 #define disLkNmSimpb 2
  93 #define disLkMyLck 0x10000000
  94 #define disLkMyLckb 3
  95
  96         unsigned int dgMisc0;
  97         unsigned int dgMisc1;
  98         unsigned int dgMisc2;
  99         unsigned int dgMisc3;
 100         unsigned int dgMisc4;
 101         unsigned int dgMisc5;
 102
 103 } diagWork;
 104
 105 typedef struct scomcomm {
 106         uint16_t        scomcpu;        /* CPU number */
 107         uint16_t        scomfunc;       /* 0 = read; 1 = write */
 108         uint32_t        scomreg;        /* SCOM register */
 109         uint64_t        scomstat;       /* returned status */
 110         uint64_t        scomdata;       /* input for write,  output for read */
 111 } scomcomm;
 112
 113 extern diagWork dgWork;
 114 extern int diagTrap(struct savearea *, unsigned int);
 115
 116
 117 #endif /* _DIAGNOSTICS_H_ */