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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1991, by Sun Microsystems, Inc.
*/
#ifndef _SYS_SCB_H
#define _SYS_SCB_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#define VEC_MIN 0
#define VEC_MAX 255
#define AUTOBASE 16 /* base for autovectored ints */
#ifndef _ASM
typedef struct trapvec {
int instr[8];
} trapvec;
/*
* Sparc9 System control block layout
*/
struct scb {
trapvec tl0_hwtraps[256]; /* 0 - 255 tl0 hw traps */
trapvec tl0_swtraps[256]; /* 256 - 511 tl0 sw traps */
trapvec tl1_hwtraps[256]; /* 512 - 767 tl>0 hw traps */
/* we don't use tl>0 sw traps */
};
#ifdef _KERNEL
extern struct scb scb;
#endif /* _KERNEL */
#endif /* _ASM */
/*
* These defines are used by the TL1 tlb miss handlers to calculate
* the pc to jump to in the case the entry was not found in the TSB.
*/
#define WTRAP_ALIGN 0x7f /* window handlers are 128 byte align */
#define WTRAP_FAULTOFF 124 /* last instruction in handler */
/* use the following defines to determine if trap was a fill or a spill */
#define WTRAP_TTMASK 0x180
#define WTRAP_TYPE 0x080
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCB_H */
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