NetBSD-5.0.2/sys/arch/mac68k/mac68k/macrom.h
/* $NetBSD: macrom.h,v 1.18 2007/03/04 06:00:08 christos Exp $ */
/*-
* Copyright (C) 1994 Bradley A. Grantham
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bradley A. Grantham.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <machine/frame.h>
/* Low-memory Globals */
extern void * ROMBase; /* Base address of ROM space */
extern void * ADBBase; /* Base address of ADB scratch */
extern void * ADBYMM; /* Base address of yet more ADB mem */
extern void * ADBState; /* Base address of ADB scratch ? */
extern void (*JADBProc)(void); /* ADBReInit pre/post processing */
extern void (*Lvl1DT[8])(void); /* VIA1 interrupt table by bit */
extern void (*Lvl2DT[8])(void); /* VIA2 interrupt table by bit */
extern void (*jADBOp)(void); /* low memory pointer to ADBOp */
extern void (*jUnimplTrap)(void); /* Unimplemented trap */
/* loglob(KbdLast, 0x218) * addr of last kbd to send */
/* loglob(KbdType, 0x21E) * type of last kbd to send */
extern void (*JKybdTask)(void); /* Keyboard task ptr? */
extern u_char CPUFlag; /* Type of CPU in this machine */
extern void (*MacJmp)(void); /* ??? */
extern u_long Lo3Bytes; /* 0x00ffffff */
extern u_long MinusOne; /* 0xffffffff */
extern u_short MMU32Bit; /* MMU mode; short? */
extern u_char Scratch8[8]; /* 8-byte scratch */
extern u_char Scratch20[20]; /* 20-byte scratch */
extern u_long Ticks; /* ticks since startup */
extern u_long Time; /* ticks since startup */
extern u_short TimeDBRA; /* DBRA's per milli */
extern u_short ADBDelay; /* DBRAs per ADB loop, / 8 */
extern u_char ToolScratch[8]; /* Yet another 8-byte scratch area */
extern void * VIA; /* VIA1 base address */
extern void * mrg_VIA2; /* VIA2 base address */
extern void * SCCRd; /* SCC read base address */
extern u_char FinderName[20]; /* FinderName - Pascal string */
extern void (*jSwapMMU)(void); /* Pointer to MMU Swap routine */
extern void (*jEgret)(void); /* Pointer to MMU Swap routine */
extern u_int16_t HwCfgFlags; /* Hardware config flags */
extern u_int32_t HwCfgFlags2; /* more hardware config flags */
extern u_int32_t HwCfgFlags3; /* more hardware config flags */
extern u_int32_t ADBReInit_JTBL; /* pointer to patch table */
extern void (*jClkNoMem)(void); /* pointer to ClkNoMem */
extern u_char SysParam[20]; /* Place where PRam data gets stored */
extern void * ExpandMem; /* pointer to Expanded Memory used by */
/* newer ADB routines (since LCIII) */
extern u_int16_t VBLQueue; /* Vertical blanking Queue, unused ? */
extern void * VBLQueue_head; /* Vertical blanking Queue, head */
extern void * VBLQueue_tail; /* Vertical blanking Queue, tail */
extern void * jDTInstall; /* Deferred task mgr trap handler */
extern u_int32_t **InitEgretJTVec; /* pointer to a jump table for */
/* InitEgret on AV machines */
/* Types */
typedef void *Ptr;
typedef void **Handle;
/* ADB Manager */
typedef struct {
Ptr siServiceRtPtr;
Ptr siDataAreaAddr;
} ADBSetInfoBlock;
typedef struct {
unsigned char devType;
unsigned char origADBAddr;
Ptr dbServiceRtPtr;
Ptr dbDataAreaAddr;
} ADBDataBlock;
/* Trap Flesh; these functions are C, not Pascal */
/* trap tests */
int MyOwnTrap(void);
void KnownRTS(void);
#ifdef MRG_ADB
/*
* These functions are defined in adb_direct.c if we are not using
* the MRG method of accessing the ADB/PRAM/RTC.
*/
/* ADB Manager */
int SetADBInfo(ADBSetInfoBlock *, int);
int CountADBs(void);
int GetIndADB(ADBDataBlock *, int);
int GetADBInfo(ADBDataBlock *, int);
void ADBReInit(void);
/* note different order of parameters */
int ADBOp(Ptr, Ptr, Ptr, short);
void ADBAlternateInit(void);
#endif
/* Memory Manager */
Ptr NewPtr(int);
int DisposPtr(Ptr);
int GetPtrSize(Ptr);
int SetPtrSize(Ptr, int);
/* Resource Manager */
Handle GetResource(u_int, short);
short ResError(void);
short mrg_CountResources(u_int32_t);
short Count_Resources(u_int32_t);
void * *mrg_GetIndResource(u_int16_t, u_int32_t);
/* Mac ROM Glue globals for BSD kernel */
extern void *mrg_romadbintr;
extern void *mrg_ADBIntrPtr;
extern u_char mrg_GetResource[]; /* type is almost a lie;
call it an array of bytes of code */
extern u_char mrg_ResError[];
/* MacOS Error Codes */
#define noErr 0
#define memFullErr -108
#define memWZErr -111
#define resNotFound -192
/* Dump instruction trace */
void dumptrace(void);
/* Stuff for configuring ROM Glue */
typedef struct rsrc_s {
u_int16_t unknown[4]; /* ???? */
u_int32_t next; /* pointer to next resoure in list */
u_int32_t body; /* pointer to resource body? */
u_int32_t name; /* resource name */
u_int16_t index; /* ???? */
} rsrc_t;
typedef struct romvec_s {
const char *romident; /* just to print it out */
void *adbintr; /* where is ADB interrupt */
void *pmintr; /* where is ADB/PM interrupt, on machines */
/* that have it */
void *adb130intr; /* ADBBase[0x130] interrupt; don't know */
/* what it is, but it's important. Don't */
/* you love reverse engineering? */
void *CountADBs;
void *GetIndADB;
void *GetADBInfo;
void *SetADBInfo;
void *ADBReInit;
void *ADBOp;
void *PMgrOp; /* On machines that have it */
void *WriteParam;
void *SetDateTime;
void *InitUtil;
void *ReadXPRam;
void *WriteXPRam;
void *jClkNoMem;
void *ADBAlternateInit; /* more fundamental than ABDReInit */
void *Egret;
void *InitEgret; /* Set up Buffer for Egret routines */
void *ADBReInit_JTBL;
void *ROMResourceMap; /* Address of first Resource in linked list */
void *FixDiv;
void *FixMul;
} romvec_t;
/*
* Function prototypes.
*/
/* macrom.c */
void mrg_setvectors(romvec_t *);
int mrg_romready(void);
void * *Get_Ind_Resource(u_int32_t, u_int16_t);
void mrg_initadbintr(void);
long mrg_adbintr(void);
long mrg_pmintr(void);
void mrg_fixupROMBase(void *, void *);
int mrg_Delay(void);
void mrg_DTInstall(void);
void mrg_execute_deferred(void);
void mrg_VBLQueue(void);
void mrg_init_stub_1(void);
void mrg_init_stub_2(void);
void mrg_1sec_timer_tick(void);
void mrg_lvl1dtpanic(void);
void mrg_lvl2dtpanic(void);
void mrg_jadbprocpanic(void);
void mrg_jswapmmupanic(void);
void mrg_jkybdtaskpanic(void);
void mrg_notrap(void);
int myowntrap(void);
int mrg_NewPtr(void);
int mrg_DisposPtr(void);
int mrg_GetPtrSize(void);
int mrg_SetPtrSize(void);
int mrg_PostEvent(void);
int mrg_SetTrapAddress(void);
void mrg_StripAddress(void);
void mrg_aline_super(struct frame *);
void mrg_init(void);
void mrg_FixDiv(void);
void mrg_FixMul(void);
/* machdep.c */
int mach_cputype(void);
/* Tracing aids */
/* trace all instructions, not just flow changes. */
#define tron() \
__asm("movw %%sr, %%d0 ; orw #0x8000, %%d0 ; movw %%d0, %%sr" : : : "d0")
#define troff() \
__asm("movw %%sr, %%d0 ; andw #0x3fff, %%d0 ; movw %%d0, %%sr" : : : "d0")