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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /sys/arch/vax/include/trap.h
initial import of NetBSD tree
Diffstat (limited to 'sys/arch/vax/include/trap.h')
-rw-r--r--sys/arch/vax/include/trap.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/sys/arch/vax/include/trap.h b/sys/arch/vax/include/trap.h
new file mode 100644
index 00000000000..b1cafc13785
--- /dev/null
+++ b/sys/arch/vax/include/trap.h
@@ -0,0 +1,109 @@
+/* $NetBSD: trap.h,v 1.8 1995/06/16 15:17:40 ragge Exp $ */
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ *
+ * @(#)trap.h 5.4 (Berkeley) 5/9/91
+ */
+
+/*
+ * Trap type values
+ * also known in trap.c for name strings
+ */
+#ifndef _VAX_TRAP_H_
+#define _VAX_TRAP_H_
+
+#define T_RESADFLT 0 /* reserved addressing */
+#define T_PRIVINFLT 1 /* privileged instruction */
+#define T_RESOPFLT 2 /* reserved operand */
+#define T_BPTFLT 3 /* breakpoint instruction */
+#define T_SYSCALL 5 /* system call (kcall) */
+#define T_ARITHFLT 6 /* arithmetic trap */
+#define T_ASTFLT 7 /* system forced exception */
+#define T_PTELEN 8 /* Page table length exceeded */
+#define T_TRANSFLT 9 /* translation fault */
+#define T_TRCTRAP 10 /* trace trap */
+/* #define T_COMPAT 11 /* compatibility mode fault on VAX */
+#define T_ACCFLT 12 /* Access violation fault */
+/* #define T_TABLEFLT 13 /* page table fault */
+/* #define T_ALIGNFLT 14 /* alignment fault */
+#define T_KSPNOTVAL 15 /* kernel stack pointer not valid */
+/* #define T_BUSERR 16 /* bus error */
+#define T_KDBTRAP 17 /* kernel debugger trap */
+
+/* #define T_DIVIDE 18 /* integer divide fault */
+/* #define T_NMI 19 /* non-maskable trap */
+/* #define T_OFLOW 20 /* overflow trap */
+/* #define T_BOUND 21 /* bound instruction fault */
+/* #define T_DNA 22 /* device not available fault */
+/* #define T_DOUBLEFLT 23 /* double fault */
+/* #define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */
+/* #define T_TSSFLT 25 /* invalid tss fault */
+/* #define T_SEGNPFLT 26 /* segment not present fault */
+/* #define T_STKFLT 27 /* stack fault */
+/* #define T_RESERVED 28 /* reserved fault base */
+
+/* These gets ORed with the word for page handling routines */
+#define T_WRITE 0x80
+#define T_PTEFETCH 0x40
+
+/* Trap's coming from user mode */
+#define T_USER 0x100
+
+#ifndef ASSEMBLER
+/* If we want to alter USP in some syscall, we do it with mtpr */
+struct trapframe {
+ int fp; /* Stack frame pointer */
+ int ap; /* Argument pointer on user stack */
+ int r0; /* General registers saved upon trap/syscall */
+ int r1;
+ int r2;
+ int r3;
+ int r4;
+ int r5;
+ int r6;
+ int r7;
+ int r8;
+ int r9;
+ int r10;
+ int r11;
+ int trap; /* Type of trap */
+ u_int code; /* Trap specific code */
+ u_int pc; /* User pc */
+ u_int psl; /* User psl */
+};
+#endif /* ASSEMBLER */
+
+#endif _VAX_TRAP_H_