osfmk/ppc/Firmware.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 be the firmware's public interfaces
  31  * Lovingly crafted by Bill Angell using traditional methods
  32 */
  33
  34 #ifndef _FIRMWARE_H_
  35 #define _FIRMWARE_H_
  36
  37 #ifndef __ppc__
  38 #error This file is only useful on PowerPC.
  39 #endif
  40
  41 #include <mach/vm_types.h>
  42 #include <ppc/Diagnostics.h>
  43
  44 /*
  45  *      This routine is used to write debug output to either the modem or printer port.
  46  *      parm 1 is printer (0) or modem (1); parm 2 is ID (printed directly); parm 3 converted to hex
  47  */
  48
  49 void dbgDisp(unsigned int port, unsigned int id, unsigned int data);
  50 void dbgLog(unsigned int d0, unsigned int d1, unsigned int d2, unsigned int d3);
  51 void dbgLog2(unsigned int type, unsigned int p1, unsigned int p2);
  52 void dbgDispLL(unsigned int port, unsigned int id, unsigned int data);
  53 void fwSCCinit(unsigned int port);
  54 void fwEmMck(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int);       /* Start injecting */
  55 void fwSCOM(scomcomm *);        /* Read/Write SCOM */
  56 void setPmon(unsigned int, unsigned int);       /* Set perf mon stuff */
  57
  58 extern void dbgTrace(unsigned int item1, unsigned int item2, unsigned int item3, unsigned int item4);
  59 #if 0           /* (TEST/DEBUG) - eliminate inline */
  60 extern __inline__ void dbgTrace(unsigned int item1, unsigned int item2, unsigned int item3, unsigned int item4) {
  61
  62                 __asm__ volatile("mr   r3,%0" : : "r" (item1) : "r3");
  63                 __asm__ volatile("mr   r4,%0" : : "r" (item2) : "r4");
  64                 __asm__ volatile("mr   r5,%0" : : "r" (item3) : "r5");
  65                 __asm__ volatile("mr   r6,%0" : : "r" (item3) : "r6");
  66         __asm__ volatile("lis  r0,hi16(CutTrace)" : : : "r0");
  67         __asm__ volatile("ori  r0,r0,lo16(CutTrace)" : : : "r0");
  68         __asm__ volatile("sc");
  69                 return;
  70 }
  71 #endif
  72
  73 extern void DoPreempt(void);
  74 extern __inline__ void DoPreempt(void) {
  75         __asm__ volatile("lis  r0,hi16(DoPreemptCall)" : : : "r0");
  76         __asm__ volatile("ori  r0,r0,lo16(DoPreemptCall)" : : : "r0");
  77         __asm__ volatile("sc");
  78                 return;
  79 }
  80
  81 extern void CreateFakeIO(void);
  82 extern __inline__ void CreateFakeIO(void) {
  83                 __asm__ volatile("lis  r0,hi16(CreateFakeIOCall)" : : : "r0");
  84                 __asm__ volatile("ori  r0,r0,lo16(CreateFakeIOCall)" : : : "r0");
  85                 __asm__ volatile("sc");
  86                 return;
  87 }
  88
  89 extern void CreateFakeDEC(void);
  90 extern __inline__ void CreateFakeDEC(void) {
  91         __asm__ volatile("lis  r0,hi16(CreateFakeDECCall)" : : : "r0");
  92         __asm__ volatile("ori  r0,r0,lo16(CreateFakeDECCall)" : : : "r0");
  93                 __asm__ volatile("sc");
  94                 return;
  95 }
  96
  97 extern void CreateShutdownCTX(void);
  98 extern __inline__ void CreateShutdownCTX(void) {
  99         __asm__ volatile("lis  r0,hi16(CreateShutdownCTXCall)" : : : "r0");
 100         __asm__ volatile("ori  r0,r0,lo16(CreateShutdownCTXCall)" : : : "r0");
 101                 __asm__ volatile("sc");
 102                 return;
 103 }
 104
 105 extern void ChokeSys(unsigned int ercd);
 106 extern __inline__ void ChokeSys(unsigned int ercd) {
 107                 __asm__ volatile("mr   r3,%0" : : "r" (ercd) : "r3");
 108         __asm__ volatile("lis  r0,hi16(Choke)" : : : "r0");
 109         __asm__ volatile("ori  r0,r0,lo16(Choke)" : : : "r0");
 110                 __asm__ volatile("sc");
 111                 return;
 112 }
 113
 114 typedef struct Boot_Video bootBumbleC;
 115
 116 extern void StoreReal(unsigned int val, unsigned int addr);
 117 extern void ReadReal(addr64_t raddr, unsigned int *vaddr);
 118 extern void ClearReal(unsigned int addr, unsigned int lgn);
 119 extern void LoadDBATs(unsigned int *bat);
 120 extern void LoadIBATs(unsigned int *bat);
 121 extern void stFloat(unsigned int *addr);
 122 extern int stVectors(unsigned int *addr);
 123 extern int stSpecrs(unsigned int *addr);
 124 extern unsigned int LLTraceSet(unsigned int tflags);
 125 extern void GratefulDebInit(bootBumbleC *boot_video_info);
 126 extern void GratefulDebDisp(unsigned int coord, unsigned int data);
 127 extern void checkNMI(void);
 128
 129 #pragma pack(4)                                         /* Make sure the structure stays as we defined it */
 130 typedef struct GDWorkArea {                     /* Grateful Deb work area one per processor */
 131
 132 /*      Note that a lot of info is duplicated for each processor */
 133
 134         unsigned int GDsave[32];                /* Save area for registers */
 135
 136         unsigned int GDfp0[2];
 137         unsigned int GDfp1[2];
 138         unsigned int GDfp2[2];
 139         unsigned int GDfp3[2];
 140
 141         unsigned int GDtop;                             /* Top pixel of CPU's window */
 142         unsigned int GDleft;                    /* Left pixel of CPU's window */
 143         unsigned int GDtopleft;                 /* Physical address of top left in frame buffer */
 144         unsigned int GDrowbytes;                /* Bytes per row */
 145         unsigned int GDrowchar;                 /* Bytes per row of characters plus leading */
 146         unsigned int GDdepth;                   /* Bits per pixel */
 147         unsigned int GDcollgn;                  /* Column width in bytes */
 148         unsigned int GDready;                   /* We are ready to go */
 149         unsigned int GDfiller[16];              /* Fill it up to a 256 byte boundary */
 150
 151         unsigned int GDrowbuf1[128];    /* Buffer to an 8 character row */
 152         unsigned int GDrowbuf2[128];    /* Buffer to an 8 character row */
 153
 154 } GDWorkArea;
 155 #pragma pack()
 156 #define GDfontsize 16
 157 #define GDdispcols 2
 158
 159 #endif /* _FIRMWARE_H_ */