NetBSD/sys/arch/sun3/include/machdep.h

164 lines
5.0 KiB
C

/* $NetBSD: machdep.h,v 1.8 1997/04/09 20:42:25 thorpej Exp $ */
/*
* Copyright (c) 1994 Gordon W. Ross
* Copyright (c) 1993 Adam Glass
* 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.
*
* from: Utah Hdr: cpu.h 1.16 91/03/25
* from: @(#)cpu.h 7.7 (Berkeley) 6/27/91
* cpu.h,v 1.2 1993/05/22 07:58:17 cgd Exp
*/
/*
* Internal definitions unique to sun3/68k cpu support.
* These are the "private" declarations - those needed
* only here in machine-independent code. The "public"
* definitions are in cpu.h (used by common code).
*/
#ifdef _KERNEL
/* 680X0 function codes */
#define FC_USERD 1 /* user data space */
#define FC_USERP 2 /* user program space */
#define FC_CONTROL 3 /* sun control space */
#define FC_SUPERD 5 /* supervisor data space */
#define FC_SUPERP 6 /* supervisor program space */
#define FC_CPU 7 /* CPU space */
/* fields in the 68020 cache control register */
#define IC_ENABLE 0x0001 /* enable instruction cache */
#define IC_FREEZE 0x0002 /* freeze instruction cache */
#define IC_CE 0x0004 /* clear instruction cache entry */
#define IC_CLR 0x0008 /* clear entire instruction cache */
#define IC_CLEAR (IC_CLR|IC_ENABLE)
/* Prototypes... */
struct frame;
struct fpframe;
struct pcb;
struct proc;
struct reg;
struct trapframe;
struct uio;
extern int cache_size;
extern int cold;
extern int fputype;
extern label_t *nofault;
extern vm_offset_t vmmap; /* XXX - See mem.c */
/* Kernel virtual address space available: */
extern vm_offset_t virtual_avail, virtual_end;
/* Physical address space available: */
extern vm_offset_t avail_start, avail_end;
/* The "hole" (used to skip the Sun3/50 video RAM) */
extern vm_offset_t hole_start, hole_size;
/* Cache flush functions. */
void DCIA __P((void));
void DCIU __P((void));
void ICIA __P((void));
void cache_enable __P((void));
void cache_flush_page(vm_offset_t pgva);
void cache_flush_segment(vm_offset_t sgva);
void cache_flush_context(void);
int cachectl __P((int req, caddr_t addr, int len));
void child_return __P((struct proc *));
void configure __P((void));
void cninit __P((void));
void dumpconf __P((void));
void dumpsys __P((void));
int eeprom_uio __P((struct uio *uio));
int fpu_emulate __P((struct trapframe *, struct fpframe *));
int getdfc __P((void));
int getsfc __P((void));
void** getvbr __P((void));
vm_offset_t high_segment_alloc __P((int npages));
void initfpu __P((void));
void isr_init __P((void));
void isr_config __P((void));
void leds_intr __P((void));
int leds_uio __P((struct uio *uio));
void m68881_save __P((struct fpframe *));
void m68881_restore __P((struct fpframe *));
void netintr __P((void));
void proc_trampoline __P((void));
void pmap_bootstrap __P((void));
void pmap_get_ksegmap __P((u_char *));
void pmap_get_pagemap __P((int *pt, int off));
void savectx __P((struct pcb *));
void setvbr __P((void **));
void sun3_pmeg_init __P((void));
void sun3_reserve_pmeg __P((int pmeg_num));
void sunmon_abort __P((void));
void sunmon_halt __P((void));
void sunmon_init __P((void));
void sunmon_reboot __P((char *));
void swapconf __P((void));
void switch_exit __P((struct proc *));
#endif /* _KERNEL */