FreeBSD/Linux Kernel Cross Reference
sys/osfmk/ppc/Firmware.h

     /*
      * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
     * Version 2.0 (the 'License'). You may not use this file except in
     * compliance with the License. Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this
     * file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_LICENSE_HEADER_END@
     */
    /*
     * @OSF_FREE_COPYRIGHT@
     */
    /*
     * @APPLE_FREE_COPYRIGHT@
     */
    
    /*
     * Here be the firmware's public interfaces
     * Lovingly crafted by Bill Angell using traditional methods
    */
    
    #ifndef _FIRMWARE_H_
    #define _FIRMWARE_H_
    
    #ifndef __ppc__
    #error This file is only useful on PowerPC.
    #endif
    
    #include <mach/vm_types.h>
    #include <ppc/Diagnostics.h>
    
    /*
     *      This routine is used to write debug output to either the modem or printer port.
     *      parm 1 is printer (0) or modem (1); parm 2 is ID (printed directly); parm 3 converted to hex
     */
    
    void dbgDisp(unsigned int port, unsigned int id, unsigned int data);
    void dbgLog(unsigned int d0, unsigned int d1, unsigned int d2, unsigned int d3);
    void dbgLog2(unsigned int type, unsigned int p1, unsigned int p2);
    void dbgDispLL(unsigned int port, unsigned int id, unsigned int data);
    void fwSCCinit(unsigned int port);
    void fwEmMck(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int);       /* Start injecting */ 
    void fwSCOM(scomcomm *);        /* Read/Write SCOM */ 
    void setPmon(unsigned int, unsigned int);       /* Set perf mon stuff */ 
    
    extern void dbgTrace(unsigned int item1, unsigned int item2, unsigned int item3, unsigned int item4);
    #if 0           /* (TEST/DEBUG) - eliminate inline */
    extern __inline__ void dbgTrace(unsigned int item1, unsigned int item2, unsigned int item3, unsigned int item4) {
     
                    __asm__ volatile("mr   r3,%0" : : "r" (item1) : "r3");
                    __asm__ volatile("mr   r4,%0" : : "r" (item2) : "r4");
                    __asm__ volatile("mr   r5,%0" : : "r" (item3) : "r5");
                    __asm__ volatile("mr   r6,%0" : : "r" (item3) : "r6");
            __asm__ volatile("lis  r0,hi16(CutTrace)" : : : "r0");
            __asm__ volatile("ori  r0,r0,lo16(CutTrace)" : : : "r0");
            __asm__ volatile("sc");
                    return;
    }
    #endif
    
    extern void DoPreempt(void);
    extern __inline__ void DoPreempt(void) {
            __asm__ volatile("lis  r0,hi16(DoPreemptCall)" : : : "r0");
            __asm__ volatile("ori  r0,r0,lo16(DoPreemptCall)" : : : "r0");
            __asm__ volatile("sc");
                    return;
    }
    
    extern void CreateFakeIO(void);
    extern __inline__ void CreateFakeIO(void) {
                    __asm__ volatile("lis  r0,hi16(CreateFakeIOCall)" : : : "r0");
                    __asm__ volatile("ori  r0,r0,lo16(CreateFakeIOCall)" : : : "r0");
                    __asm__ volatile("sc");
                    return;
    }
    
    extern void CreateFakeDEC(void);
    extern __inline__ void CreateFakeDEC(void) {
            __asm__ volatile("lis  r0,hi16(CreateFakeDECCall)" : : : "r0");
            __asm__ volatile("ori  r0,r0,lo16(CreateFakeDECCall)" : : : "r0");
                    __asm__ volatile("sc");
                    return;
    }
    
   extern void CreateShutdownCTX(void);
   extern __inline__ void CreateShutdownCTX(void) {
           __asm__ volatile("lis  r0,hi16(CreateShutdownCTXCall)" : : : "r0");
           __asm__ volatile("ori  r0,r0,lo16(CreateShutdownCTXCall)" : : : "r0");
                   __asm__ volatile("sc");
                   return;
   }
   
   extern void ChokeSys(unsigned int ercd);
   extern __inline__ void ChokeSys(unsigned int ercd) {
                   __asm__ volatile("mr   r3,%0" : : "r" (ercd) : "r3");
           __asm__ volatile("lis  r0,hi16(Choke)" : : : "r0");
           __asm__ volatile("ori  r0,r0,lo16(Choke)" : : : "r0");
                   __asm__ volatile("sc");
                   return;
   }
   
   typedef struct Boot_Video bootBumbleC;
   
   extern void StoreReal(unsigned int val, unsigned int addr);
   extern void ReadReal(addr64_t raddr, unsigned int *vaddr);
   extern void ClearReal(unsigned int addr, unsigned int lgn);
   extern void LoadDBATs(unsigned int *bat);
   extern void LoadIBATs(unsigned int *bat);
   extern void stFloat(unsigned int *addr);
   extern int stVectors(unsigned int *addr);
   extern int stSpecrs(unsigned int *addr);
   extern unsigned int LLTraceSet(unsigned int tflags);
   extern void GratefulDebInit(bootBumbleC *boot_video_info);
   extern void GratefulDebDisp(unsigned int coord, unsigned int data);
   extern void checkNMI(void);
   
   #pragma pack(4)                                         /* Make sure the structure stays as we defined it */
   typedef struct GDWorkArea {                     /* Grateful Deb work area one per processor */
   
   /*      Note that a lot of info is duplicated for each processor */
   
           unsigned int GDsave[32];                /* Save area for registers */
           
           unsigned int GDfp0[2];
           unsigned int GDfp1[2];
           unsigned int GDfp2[2];
           unsigned int GDfp3[2];
           
           unsigned int GDtop;                             /* Top pixel of CPU's window */
           unsigned int GDleft;                    /* Left pixel of CPU's window */
           unsigned int GDtopleft;                 /* Physical address of top left in frame buffer */
           unsigned int GDrowbytes;                /* Bytes per row */
           unsigned int GDrowchar;                 /* Bytes per row of characters plus leading */
           unsigned int GDdepth;                   /* Bits per pixel */
           unsigned int GDcollgn;                  /* Column width in bytes */
           unsigned int GDready;                   /* We are ready to go */
           unsigned int GDfiller[16];              /* Fill it up to a 256 byte boundary */
           
           unsigned int GDrowbuf1[128];    /* Buffer to an 8 character row */
           unsigned int GDrowbuf2[128];    /* Buffer to an 8 character row */
   
   } GDWorkArea;
   #pragma pack()
   #define GDfontsize 16
   #define GDdispcols 2
   
   #endif /* _FIRMWARE_H_ */

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