1 files changed, 83 insertions, 0 deletions
diff --git a/sys/arch/sun3/include/pte.h b/sys/arch/sun3/include/pte.h
new file mode 100644
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+++ b/sys/arch/sun3/include/pte.h
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+/*	$NetBSD: pte.h,v 1.9 1995/03/10 02:28:01 gwr Exp $	*/
+
+/*
+ * Copyright (c) 1994 Gordon W. Ross
+ * Copyright (c) 1993 Adam Glass
+ * All rights reserved.
+ *
+ * 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 Adam Glass.
+ * 4. The name of the Author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Adam Glass ``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.
+ */
+
+#ifndef _MACHINE_PTE_H
+#define _MACHINE_PTE_H
+
+#define NCONTEXT 8
+#define SEGINV 255
+#define NPAGSEG 16
+#define NSEGMAP 2048
+
+#define PG_VALID   0x80000000
+#define PG_WRITE   0x40000000
+#define PG_SYSTEM  0x20000000
+#define PG_NC      0x10000000
+#define PG_TYPE    0x0C000000
+#define PG_REF     0x02000000
+#define PG_MOD     0x01000000
+
+#define PG_SPECIAL (PG_VALID|PG_WRITE|PG_SYSTEM|PG_NC|PG_REF|PG_MOD)
+#define PG_PERM    (PG_VALID|PG_WRITE|PG_SYSTEM|PG_NC)
+#define	PG_MODREF  (PG_REF|PG_MOD)
+#define PG_FRAME   0x0007FFFF
+
+#define PG_MOD_SHIFT 24
+#define PG_PERM_SHIFT 28
+
+#define OBMEM	0
+#define OBIO 	1
+#define VME_D16	2
+#define VME_D32	3
+#define PG_TYPE_SHIFT 26
+
+#define PG_INVAL   0x0
+
+#define MAKE_PGTYPE(x) ((x) << PG_TYPE_SHIFT)
+#define PG_PGNUM(pte) (pte & PG_FRAME)
+#define PG_PA(pte) ((pte & PG_FRAME) <<PGSHIFT)
+
+#define	PGT_MASK	MAKE_PGTYPE(3)
+#define	PGT_OBMEM	MAKE_PGTYPE(OBMEM)		/* onboard memory */
+#define	PGT_OBIO	MAKE_PGTYPE(OBIO)		/* onboard I/O */
+#define	PGT_VME_D16	MAKE_PGTYPE(VME_D16)	/* VMEbus 16-bit data */
+#define	PGT_VME_D32	MAKE_PGTYPE(VME_D32)	/* VMEbus 32-bit data */
+
+#define VA_PTE_NUM_SHIFT  13
+#define VA_PTE_NUM_MASK (0xF << VA_PTE_NUM_SHIFT)
+#define VA_PTE_NUM(va) ((va & VA_PTE_NUM_MASK) >> VA_PTE_NUM_SHIFT)
+
+#define PA_PGNUM(pa) ((unsigned)pa >> PGSHIFT)
+
+#endif /* !_MACHINE_PTE_H*/