NetBSD-5.0.2/sys/arch/mac68k/include/cpu.h
/* $NetBSD: cpu.h,v 1.92 2008/02/27 18:26:16 xtraeme Exp $ */
/*
* 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. 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) 1988 University of Utah.
*
* 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_
#if defined(_KERNEL)
/*
* Exported definitions unique to mac68k/68k cpu support.
*/
#if defined(_KERNEL_OPT)
#include "opt_lockdebug.h"
#endif
/*
* Get common m68k definitions.
*/
#include <m68k/cpu.h>
#define M68K_MMU_MOTOROLA
/*
* Get interrupt glue.
*/
#include <machine/intr.h>
#include <sys/cpu_data.h>
struct cpu_info {
struct cpu_data ci_data; /* MI per-cpu data */
cpuid_t ci_cpuid;
int ci_mtx_oldspl;
int ci_mtx_count;
int ci_want_resched;
};
extern struct cpu_info cpu_info_store;
#define curcpu() (&cpu_info_store)
/*
* definitions of cpu-dependent requirements
* referenced in generic code
*/
#define cpu_swapin(p) /* nothing */
#define cpu_swapout(p) /* nothing */
#define cpu_number() 0
void cpu_proc_fork(struct proc *, struct proc *);
/*
* 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) */
} __attribute__((packed));
#define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 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.
*/
#define cpu_need_resched(ci, v) { ci->ci_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 cpu_need_proftick(l) ( (l)->l_pflag |= LP_OWEUPC, aston() )
/*
* Notify the current process (p) that it has a signal pending,
* process as soon as possible.
*/
#define cpu_signotify(l) aston()
extern int astpending; /* need to trap before returning to user mode */
#define aston() (astpending++)
#endif /* _KERNEL */
#define CPU_CONSDEV 1
#define CPU_MAXID 2
/* 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_MACPB190CS 85
#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. */
const char *model_major; /* Make this distinction to save a few */
const 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 fpframe;
/* machdep.c */
void mac68k_set_bell_callback(int (*)(void *, int, int, int), void *);
int mac68k_ring_bell(int, int, int);
u_int get_mapping(void);
/* locore.s functions */
void m68881_save(struct fpframe *);
void m68881_restore(struct fpframe *);
int suline(void *, void *);
void loadustp(int);
/* fpu.c */
void initfpu(void);
#endif
#endif /* _CPU_MACHINE_ */