NetBSD/sys/arch/sh3/include/psl.h

76 lines
2.8 KiB
C

/* $NetBSD: psl.h,v 1.7 2003/08/07 16:29:29 agc 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. 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.
*
* @(#)psl.h 5.2 (Berkeley) 1/18/91
*/
#ifndef _SH3_PSL_H_
#define _SH3_PSL_H_
/*
* SuperH Processer Status Register.
*/
#define PSL_TBIT 0x00000001 /* T bit */
#define PSL_SBIT 0x00000002 /* S bit */
#define PSL_IMASK 0x000000f0 /* Interrupt Mask bit */
#define PSL_QBIT 0x00000100 /* Q bit */
#define PSL_MBIT 0x00000200 /* M bit */
#define PSL_BL 0x10000000 /* Exception Block bit */
#define PSL_RB 0x20000000 /* Register Bank bit */
#define PSL_MD 0x40000000 /* Processor Mode bit */
/* 1 = kernel, 0 = user */
#define PSL_MBO 0x00000000 /* must be one bits */
#define PSL_MBZ 0x8ffffc0c /* must be zero bits */
#define PSL_USERSET 0
#define PSL_USERSTATIC (PSL_BL|PSL_RB|PSL_MD|PSL_IMASK|PSL_MBO|PSL_MBZ)
#define KERNELMODE(sr) ((sr) & PSL_MD)
#ifdef _KERNEL
#ifndef _LOCORE
/* SR.IMASK */
int _cpu_intr_raise(int);
int _cpu_intr_suspend(void);
int _cpu_intr_resume(int);
/* SR.BL */
int _cpu_exception_suspend(void);
void _cpu_exception_resume(int);
#endif /* !_LOCORE */
#include <machine/intr.h>
#endif /* _KERNEL */
#endif /* !_SH3_PSL_H_ */