new NetBSD file

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 */