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authorMichael Shalayeff <mickey@cvs.openbsd.org>1999-09-18 20:39:56 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>1999-09-18 20:39:56 +0000
commit8ff9188946d004f69e0c6264e7b9c7c6c0304aab (patch)
tree89c84ed71acedf5babd7c07bdc7af0c6e086a414 /sys/arch/hppa/include
parent3cbfaa82d06636af2228263df6109d004a4f7618 (diff)
rewrite
add some more trap flags and fix T_USER wrt the pa1.1 specs
Diffstat (limited to 'sys/arch/hppa/include')
-rw-r--r--sys/arch/hppa/include/trap.h169
1 files changed, 87 insertions, 82 deletions
diff --git a/sys/arch/hppa/include/trap.h b/sys/arch/hppa/include/trap.h
index 461dfeb809d..953a95e3a7d 100644
--- a/sys/arch/hppa/include/trap.h
+++ b/sys/arch/hppa/include/trap.h
@@ -1,102 +1,107 @@
-/* $OpenBSD: trap.h,v 1.5 1999/05/03 15:40:27 mickey Exp $ */
+/* $OpenBSD: trap.h,v 1.6 1999/09/18 20:39:55 mickey Exp $ */
-/*
- * Copyright (c) 1988-1994, The University of Utah and
- * the Computer Systems Laboratory at the University of Utah (CSL).
+/*
+ * Copyright (c) 1999 Michael Shalayeff
* All rights reserved.
*
- * Permission to use, copy, modify and distribute this software is hereby
- * granted provided that (1) source code retains these copyright, permission,
- * and disclaimer notices, and (2) redistributions including binaries
- * reproduce the notices in supporting documentation, and (3) all advertising
- * materials mentioning features or use of this software display the following
- * acknowledgement: ``This product includes software developed by the
- * Computer Systems Laboratory at the University of Utah.''
- *
- * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
- * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
- * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * CSL requests users of this software to return to csl-dist@cs.utah.edu any
- * improvements that they make and grant CSL redistribution rights.
- *
- * Utah $Hdr: trap.h 1.6 94/12/16$
+ * 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 Michael Shalayeff.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * Utah $Hdr: break.h 1.10 94/12/14$
- * Author: Bob Wheeler, University of Utah CSL
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR OR HIS RELATIVES 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 MIND, 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_TRAP_H_
-#define _MACHINE_TRAP_H_
+#ifndef _MACHINE_TRAP_H_
+#define _MACHINE_TRAP_H_
/*
- * Trap type values
- * also known in trap.c for name strings
+ * This is PA-RISC trap types per 1.1 specs, see .c files for references.
*/
+#define T_NONEXIST 0 /* invalid interrupt vector */
+#define T_HPMC 1 /* high priority machine check */
+#define T_POWERFAIL 2 /* power failure */
+#define T_RECOVERY 3 /* recovery counter */
+#define T_INTERRUPT 4 /* external interrupt */
+#define T_LPMC 5 /* low-priority machine check */
+#define T_ITLBMISS 6 /* instruction TLB miss fault */
+#define T_IPROT 7 /* instruction protection */
+#define T_ILLEGAL 8 /* Illegal instruction */
+#define T_IBREAK 9 /* break instruction */
+#define T_PRIV_OP 10 /* privileged operation */
+#define T_PRIV_REG 11 /* privileged register */
+#define T_OVERFLOW 12 /* overflow */
+#define T_CONDITION 13 /* conditional */
+#define T_EXCEPTION 14 /* assist exception */
+#define T_DTLBMISS 15 /* data TLB miss */
+#define T_ITLBMISSNA 16 /* ITLB non-access miss */
+#define T_DTLBMISSNA 17 /* DTLB non-access miss */
+#define T_DPROT 18 /* data protection/rights/alignment <7100 */
+#define T_DBREAK 19 /* data break */
+#define T_TLB_DIRTY 20 /* TLB dirty bit */
+#define T_PAGEREF 21 /* page reference */
+#define T_EMULATION 22 /* assist emulation */
+#define T_HIGHERPL 23 /* higher-privelege transfer */
+#define T_LOWERPL 24 /* lower-privilege transfer */
+#define T_TAKENBR 25 /* taken branch */
+#define T_DATACC 26 /* data access rights >=7100 */
+#define T_DATAPID 27 /* data protection ID >=7100 */
+#define T_DATALIGN 28 /* unaligned data ref */
-#define T_NONEXIST 0
-#define T_HPMC 1
-#define T_POWERFAIL 2
-#define T_RECOVERY 3
-#define T_INTERRUPT 4
-#define T_LPMC 5
-#define T_ITLBMISS 6
-#define T_IPROT 7
-#define T_ILLEGAL 8
-#define T_IBREAK 9
-#define T_PRIV_OP 10
-#define T_PRIV_REG 11
-#define T_OVERFLOW 12
-#define T_CONDITION 13
-#define T_EXCEPTION 14
-#define T_DTLBMISS 15
-#define T_ITLBMISSNA 16
-#define T_DTLBMISSNA 17
-#define T_DPROT 18
-#define T_DBREAK 19
-#define T_TLB_DIRTY 20
-#define T_PAGEREF 21
-#define T_EMULATION 22
-#define T_HIGHERPL 23
-#define T_LOWERPL 24
-#define T_TAKENBR 25
-
-#define T_DATACC 26 /* 7100 */
-#define T_DATAPID 27 /* 7100 */
-#define T_DATALIGN 28 /* 7100 */
-
-#define T_USER 0x20 /* user-mode flag or'ed with type */
+/*
+ * Reserved range for traps is 0-63, place user flag at 6th bit
+ */
+#define T_USER_POS 25
+#define T_USER (1 << (31 - T_USER_POS))
-/* Values for break instructions */
+/*
+ * Various trap frame flags.
+ */
+#define TFF_LAST_POS 0
+#define TFF_ITLB_POS 1
-/* values for the im5 field of the break instruction */
-#define HPPA_BREAK_KERNEL 0
-#define HPPA_BREAK_MAYDEBUG 31 /* Reserved for Mayfly debugger. */
+#define TFF_LAST (1 << (31 - TFF_LAST_POS))
+#define TFF_ITLB (1 << (31 - TFF_ITLB_POS))
-/* values for the im13 field of the break instruction */
-#define HPPA_BREAK_PDC_DUMP 2
-#define HPPA_BREAK_KERNTRACE 3
-#define HPPA_BREAK_MACH_DEBUGGER 4
-#define HPPA_BREAK_KGDB 5
-#define HPPA_BREAK_KERNPRINT 6
-#define HPPA_BREAK_IVA 7
-#define HPPA_BREAK_PDC_IODC_CALL 8
-#define HPPA_BREAK_GDB 8 /* Standard GDB breakpoint. */
-#define HPPA_BREAK_GET_PSW 9
-#define HPPA_BREAK_SET_PSW 10
+/*
+ * Definre this for pretty printings of trapflags.
+ */
+#define T_BITS "\020\07user\037itlb\040last"
/*
- * Tear apart a break instruction to find its type.
+ * These are break instruction entry points.
*/
-#define break5(x) ((x) & 0x1F)
-#define break13(x) (((x) >> 13) & 0x1FFF)
+/* im5 */
+#define HPPA_BREAK_KERNEL 0
+/* im13 */
+#define HPPA_BREAK_KGDB 5
+#define HPPA_BREAK_GET_PSW 9
+#define HPPA_BREAK_SET_PSW 10
/*
- * Trace debugging.
+ * break instruction decoding.
*/
-#define HPPA_TRACE_OFF 0
-#define HPPA_TRACE_JUMP -1
-#define HPPA_TRACE_SUSPEND -2
-#define HPPA_TRACE_RESUME -3
+#define break5(i) ((i) & 0x1f)
+#define break13(i) (((i) >> 13) & 0x1fff)
+
+#endif /* _MACHINE_TRAP_H_ */
-#endif /* _MACHINE_TRAP_H_ */