Import of WGRISC port. (Willowglen R3081 board)

1 files changed, 68 insertions, 0 deletions

diff --git a/sys/arch/wgrisc/include/trap.h b/sys/arch/wgrisc/include/trap.h
new file mode 100644
index 00000000000..bb9fd65c3fb
--- /dev/null
+++ b/sys/arch/wgrisc/include/trap.h
@@ -0,0 +1,68 @@
+/*      $OpenBSD: trap.h,v 1.1 1997/02/06 16:02:43 pefo Exp $	*/
+
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1992, 1993
+ *	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 and Ralph Campbell.
+ *
+ * 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: trap.h 1.1 90/07/09
+ *	from: @(#)trap.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Trap codes
+ * also known in trap.c for name strings
+ */
+
+#define T_INT			0	/* Interrupt pending */
+#define T_TLB_MOD		1	/* TLB modified fault */
+#define T_TLB_LD_MISS		2	/* TLB miss on load or ifetch */
+#define T_TLB_ST_MISS		3	/* TLB miss on a store */
+#define T_ADDR_ERR_LD		4	/* Address error on a load or ifetch */
+#define T_ADDR_ERR_ST		5	/* Address error on a store */
+#define T_BUS_ERR_IFETCH	6	/* Bus error on an ifetch */
+#define T_BUS_ERR_LD_ST		7	/* Bus error on a load or store */
+#define T_SYSCALL		8	/* System call */
+#define T_BREAK			9	/* Breakpoint */
+#define T_RES_INST		10	/* Reserved instruction exception */
+#define T_COP_UNUSABLE		11	/* Coprocessor unusable */
+#define T_OVFLOW		12	/* Arithmetic overflow */
+#define	T_TRAP			13	/* Trap instruction */
+#define	T_VCEI			14	/* Viritual coherency instruction */
+#define	T_FPE			15	/* Floating point exception */
+#define	T_WATCH			23	/* Watch address reference */
+#define T_VCED			31	/* Viritual coherency data */
+
+#define	T_USER			0x20	/* user-mode flag or'ed with type */