159 lines
4.9 KiB
C
159 lines
4.9 KiB
C
|
|
||
|
|
/*
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef _KERNEL
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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).
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* 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 pmap;
|
||
|
|
|
||
|
|
extern int cache_size;
|
||
|
|
extern int cold;
|
||
|
|
extern int fpu_type;
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
void ICIA __P((void));
|
||
|
|
void DCIA __P((void));
|
||
|
|
void DCIU __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 fpu_emulate __P((struct frame *, 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 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));
|
||
|
|
int pmap_fault_reload __P((struct pmap *, vm_offset_t, int));
|
||
|
|
void pmap_get_ksegmap __P((u_char *));
|
||
|
|
void pmap_get_pagemap __P((int *pt, int off));
|
||
|
|
|
||
|
|
void regdump __P((struct frame *, int));
|
||
|
|
|
||
|
|
void savectx __P((struct pcb *));
|
||
|
|
|
||
|
|
void setvbr __P((void **));
|
||
|
|
|
||
|
|
void sun3_mon_abort __P((void));
|
||
|
|
void sun3_mon_halt __P((void));
|
||
|
|
void sun3_mon_reboot __P((char *));
|
||
|
|
void sun3_pmeg_init __P((void));
|
||
|
|
void sun3_reserve_pmeg __P((int pmeg_num));
|
||
|
|
|
||
|
|
void swapconf __P((void));
|
||
|
|
void swapgeneric __P((void));
|
||
|
|
|
||
|
|
void switch_exit __P((struct proc *));
|
||
|
|
|
||
|
|
#endif /* _KERNEL */
|