diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/sun3/sun3/machdep.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/sys/arch/sun3/sun3/machdep.h b/sys/arch/sun3/sun3/machdep.h new file mode 100644 index 00000000000..e6fa956d367 --- /dev/null +++ b/sys/arch/sun3/sun3/machdep.h @@ -0,0 +1,158 @@ + +/* + * 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 */ |