348 lines
11 KiB
C
348 lines
11 KiB
C
/* $NetBSD: cpu.h,v 1.63 1999/08/10 21:08:07 thorpej Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1988 University of Utah.
|
|
* Copyright (c) 1982, 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* 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 the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1992, 1993 BCDL Labs. All rights reserved.
|
|
* Allen Briggs, Chris Caputo, Michael Finch, Brad Grantham, Lawrence Kesteloot
|
|
|
|
* Redistribution of this source code or any part thereof is permitted,
|
|
* provided that the following conditions are met:
|
|
* 1) Utilized source contains the copyright message above, this list
|
|
* of conditions, and the following disclaimer.
|
|
* 2) Binary objects containing compiled source reproduce the
|
|
* copyright notice above on startup.
|
|
*
|
|
* CAVEAT: This source code is provided "as-is" by BCDL Labs, and any
|
|
* warranties of ANY kind are disclaimed. We don't even claim that it
|
|
* won't crash your hard disk. Basically, we want a little credit if
|
|
* it works, but we don't want to get mail-bombed if it doesn't.
|
|
*/
|
|
|
|
/*
|
|
* from: Utah $Hdr: cpu.h 1.16 91/03/25$
|
|
*
|
|
* @(#)cpu.h 7.7 (Berkeley) 6/27/91
|
|
*/
|
|
|
|
#ifndef _CPU_MACHINE_
|
|
#define _CPU_MACHINE_
|
|
|
|
/*
|
|
* Exported definitions unique to mac68k/68k cpu support.
|
|
*/
|
|
|
|
/*
|
|
* Get common m68k definitions.
|
|
*/
|
|
#include <m68k/cpu.h>
|
|
#define M68K_MMU_MOTOROLA
|
|
|
|
/*
|
|
* Get interrupt glue.
|
|
*/
|
|
#include <machine/intr.h>
|
|
|
|
/*
|
|
* definitions of cpu-dependent requirements
|
|
* referenced in generic code
|
|
*/
|
|
#define cpu_swapin(p) /* nothing */
|
|
#define cpu_wait(p) /* nothing */
|
|
#define cpu_swapout(p) /* nothing */
|
|
#define cpu_number() 0
|
|
|
|
/*
|
|
* Arguments to hardclock and gatherstats encapsulate the previous
|
|
* machine state in an opaque clockframe. One the hp300, we use
|
|
* what the hardware pushes on an interrupt (frame format 0).
|
|
*/
|
|
struct clockframe {
|
|
u_short sr; /* sr at time of interrupt */
|
|
u_long pc; /* pc at time of interrupt */
|
|
u_short vo; /* vector offset (4-word frame) */
|
|
};
|
|
|
|
#define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0)
|
|
#define CLKF_BASEPRI(framep) (((framep)->sr & PSL_IPL) == 0)
|
|
#define CLKF_PC(framep) ((framep)->pc)
|
|
#define CLKF_INTR(framep) (0) /* XXX should use PSL_M (see hp300) */
|
|
|
|
/*
|
|
* Preempt the current process if in interrupt from user mode,
|
|
* or after the current trap/syscall if in system mode.
|
|
*/
|
|
extern int want_resched; /* resched() was called */
|
|
#define need_resched() { want_resched++; aston(); }
|
|
|
|
/*
|
|
* Give a profiling tick to the current process from the softclock
|
|
* interrupt. Request an ast to send us through trap(),
|
|
* marking the proc as needing a profiling tick.
|
|
*/
|
|
#define need_proftick(p) ( (p)->p_flag |= P_OWEUPC, aston() )
|
|
|
|
/*
|
|
* Notify the current process (p) that it has a signal pending,
|
|
* process as soon as possible.
|
|
*/
|
|
#define signotify(p) aston()
|
|
|
|
extern int astpending; /* need to trap before returning to user mode */
|
|
#define aston() (astpending++)
|
|
|
|
#define CPU_CONSDEV 1
|
|
#define CPU_MAXID 2
|
|
|
|
#define CTL_MACHDEP_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ "console_device", CTLTYPE_STRUCT }, \
|
|
}
|
|
|
|
/* values for machineid --
|
|
* These are equivalent to the MacOS Gestalt values. */
|
|
#define MACH_MACII 6
|
|
#define MACH_MACIIX 7
|
|
#define MACH_MACIICX 8
|
|
#define MACH_MACSE30 9
|
|
#define MACH_MACIICI 11
|
|
#define MACH_MACIIFX 13
|
|
#define MACH_MACIISI 18
|
|
#define MACH_MACQ900 20
|
|
#define MACH_MACPB170 21
|
|
#define MACH_MACQ700 22
|
|
#define MACH_MACCLASSICII 23
|
|
#define MACH_MACPB100 24
|
|
#define MACH_MACPB140 25
|
|
#define MACH_MACQ950 26
|
|
#define MACH_MACLCIII 27
|
|
#define MACH_MACPB210 29
|
|
#define MACH_MACC650 30
|
|
#define MACH_MACPB230 32
|
|
#define MACH_MACPB180 33
|
|
#define MACH_MACPB160 34
|
|
#define MACH_MACQ800 35
|
|
#define MACH_MACQ650 36
|
|
#define MACH_MACLCII 37
|
|
#define MACH_MACPB250 38
|
|
#define MACH_MACIIVI 44
|
|
#define MACH_MACP600 45
|
|
#define MACH_MACIIVX 48
|
|
#define MACH_MACCCLASSIC 49
|
|
#define MACH_MACPB165C 50
|
|
#define MACH_MACC610 52
|
|
#define MACH_MACQ610 53
|
|
#define MACH_MACPB145 54
|
|
#define MACH_MACLC520 56
|
|
#define MACH_MACC660AV 60
|
|
#define MACH_MACP460 62
|
|
#define MACH_MACPB180C 71
|
|
#define MACH_MACPB500 72
|
|
#define MACH_MACPB270 77
|
|
#define MACH_MACQ840AV 78
|
|
#define MACH_MACP550 80
|
|
#define MACH_MACCCLASSICII 83
|
|
#define MACH_MACPB165 84
|
|
#define MACH_MACTV 88
|
|
#define MACH_MACLC475 89
|
|
#define MACH_MACLC475_33 90
|
|
#define MACH_MACLC575 92
|
|
#define MACH_MACQ605 94
|
|
#define MACH_MACQ605_33 95
|
|
#define MACH_MACQ630 98
|
|
#define MACH_MACP580 99
|
|
#define MACH_MACPB280 102
|
|
#define MACH_MACPB280C 103
|
|
#define MACH_MACPB150 115
|
|
#define MACH_MACPB190 122
|
|
|
|
/*
|
|
* Machine classes. These define subsets of the above machines.
|
|
*/
|
|
#define MACH_CLASSH 0x0000 /* Hopeless cases... */
|
|
#define MACH_CLASSII 0x0001 /* MacII class */
|
|
#define MACH_CLASSIIci 0x0004 /* Have RBV, but no Egret */
|
|
#define MACH_CLASSIIsi 0x0005 /* Similar to IIci -- Have Egret. */
|
|
#define MACH_CLASSIIvx 0x0006 /* Similar to IIsi -- different via2 emul? */
|
|
#define MACH_CLASSLC 0x0007 /* Low-Cost/Performa/Wal-Mart Macs. */
|
|
#define MACH_CLASSPB 0x0008 /* Powerbooks. Power management. */
|
|
#define MACH_CLASSDUO 0x0009 /* Powerbooks Duos. More integration/Docks. */
|
|
#define MACH_CLASSIIfx 0x0080 /* The IIfx is in a class by itself. */
|
|
#define MACH_CLASSQ 0x0100 /* non-A/V Centris/Quadras. */
|
|
#define MACH_CLASSAV 0x0101 /* A/V Centris/Quadras. */
|
|
#define MACH_CLASSQ2 0x0102 /* More Centris/Quadras, different sccA. */
|
|
#define MACH_CLASSP580 0x0103 /* Similar to Quadras, but not quite.. */
|
|
|
|
#define MACH_68020 0
|
|
#define MACH_68030 1
|
|
#define MACH_68040 2
|
|
#define MACH_PENTIUM 3 /* 66 and 99 MHz versions *only* */
|
|
|
|
#ifdef _KERNEL
|
|
struct mac68k_machine_S {
|
|
int cpu_model_index;
|
|
/*
|
|
* Misc. info from booter.
|
|
*/
|
|
int machineid;
|
|
int mach_processor;
|
|
int mach_memsize;
|
|
int booter_version;
|
|
/*
|
|
* Debugging flags.
|
|
*/
|
|
int do_graybars;
|
|
int serial_boot_echo;
|
|
int serial_console;
|
|
|
|
int zs_chip; /* what type of chip we've got */
|
|
int modem_flags;
|
|
int modem_cts_clk;
|
|
int modem_dcd_clk;
|
|
int modem_d_speed;
|
|
int print_flags;
|
|
int print_cts_clk;
|
|
int print_dcd_clk;
|
|
int print_d_speed;
|
|
/*
|
|
* Misc. hardware info.
|
|
*/
|
|
int scsi80; /* Has NCR 5380 */
|
|
int scsi96; /* Has NCR 53C96 */
|
|
int scsi96_2; /* Has 2nd 53C96 */
|
|
int sonic; /* Has SONIC e-net */
|
|
|
|
int via1_ipl;
|
|
int via2_ipl;
|
|
int aux_interrupts;
|
|
};
|
|
|
|
/* What kind of model is this */
|
|
struct cpu_model_info {
|
|
int machineid; /* MacOS Gestalt value. */
|
|
char *model_major; /* Make this distinction to save a few */
|
|
char *model_minor; /* bytes--might be useful, too. */
|
|
int class; /* Rough class of machine. */
|
|
/* forwarded romvec_s is defined in mac68k/macrom.h */
|
|
struct romvec_s *rom_vectors; /* Pointer to our known rom vectors */
|
|
};
|
|
extern struct cpu_model_info *current_mac_model;
|
|
|
|
extern unsigned long IOBase; /* Base address of I/O */
|
|
extern unsigned long NuBusBase; /* Base address of NuBus */
|
|
|
|
extern struct mac68k_machine_S mac68k_machine;
|
|
extern unsigned long load_addr;
|
|
#endif /* _KERNEL */
|
|
|
|
/* physical memory sections */
|
|
#define ROMBASE (0x40800000)
|
|
#define ROMLEN (0x00200000) /* 2MB will work for all 68k */
|
|
#define ROMMAPSIZE btoc(ROMLEN) /* 32k of page tables. */
|
|
|
|
#define IIOMAPSIZE btoc(0x00100000) /* 1MB should be enough */
|
|
|
|
/* XXX -- Need to do something about superspace.
|
|
* Technically, NuBus superspace starts at 0x60000000, but no
|
|
* known Macintosh has used any slot lower numbered than 9, and
|
|
* the super space is defined as 0xS000 0000 through 0xSFFF FFFF
|
|
* where S is the slot number--ranging from 0x9 - 0xE.
|
|
*/
|
|
#define NBSBASE 0x90000000
|
|
#define NBSTOP 0xF0000000
|
|
#define NBBASE 0xF9000000 /* NUBUS space */
|
|
#define NBTOP 0xFF000000 /* NUBUS space */
|
|
#define NBMAPSIZE btoc(NBTOP-NBBASE) /* ~ 96 megs */
|
|
#define NBMEMSIZE 0x01000000 /* 16 megs per card */
|
|
#define NBROMOFFSET 0x00FF0000 /* Last 64K == ROM */
|
|
|
|
#ifdef _KERNEL
|
|
|
|
struct frame;
|
|
struct fpframe;
|
|
struct pcb;
|
|
|
|
/* machdep.c */
|
|
void mac68k_set_bell_callback __P((int (*)(void *, int, int, int), void *));
|
|
int mac68k_ring_bell __P((int, int, int));
|
|
u_int get_mapping __P((void));
|
|
|
|
/* locore.s functions */
|
|
void m68881_save __P((struct fpframe *));
|
|
void m68881_restore __P((struct fpframe *));
|
|
void DCIA __P((void));
|
|
void DCIS __P((void));
|
|
void DCIU __P((void));
|
|
void ICIA __P((void));
|
|
void ICPA __P((void));
|
|
void PCIA __P((void));
|
|
void TBIA __P((void));
|
|
void TBIS __P((vaddr_t));
|
|
void TBIAS __P((void));
|
|
void TBIAU __P((void));
|
|
#if defined(M68040)
|
|
void DCFA __P((void));
|
|
void DCFP __P((paddr_t));
|
|
void DCFL __P((paddr_t));
|
|
void DCPL __P((paddr_t));
|
|
void DCPP __P((paddr_t));
|
|
void ICPL __P((paddr_t));
|
|
void ICPP __P((paddr_t));
|
|
#endif
|
|
int suline __P((caddr_t, caddr_t));
|
|
void savectx __P((struct pcb *));
|
|
void switch_exit __P((struct proc *));
|
|
void proc_trampoline __P((void));
|
|
void loadustp __P((int));
|
|
|
|
/* sys_machdep.c */
|
|
int cachectl1 __P((unsigned long, vaddr_t, size_t, struct proc *));
|
|
|
|
/* vm_machdep.c */
|
|
void physaccess __P((caddr_t, caddr_t, register int, register int));
|
|
void physunaccess __P((caddr_t, register int));
|
|
int kvtop __P((caddr_t));
|
|
|
|
/* trap.c */
|
|
void child_return __P((void *));
|
|
|
|
#endif
|
|
|
|
#endif /* _CPU_MACHINE_ */
|