78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
/* $NetBSD: psl.h,v 1.11 2011/01/26 19:07:42 uwe Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)psl.h 5.2 (Berkeley) 1/18/91
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*/
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#ifndef _SH3_PSL_H_
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#define _SH3_PSL_H_
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/*
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* SuperH Processer Status Register.
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*/
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#define PSL_TBIT 0x00000001 /* T bit */
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#define PSL_SBIT 0x00000002 /* S bit */
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#define PSL_IMASK 0x000000f0 /* Interrupt Mask bit */
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#define PSL_QBIT 0x00000100 /* Q bit */
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#define PSL_MBIT 0x00000200 /* M bit */
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#define PSL_FD 0x00008000 /* FPU Disable bit */
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#define PSL_BL 0x10000000 /* Exception Block bit */
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#define PSL_RB 0x20000000 /* Register Bank bit */
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#define PSL_MD 0x40000000 /* Processor Mode bit */
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/* 1 = kernel, 0 = user */
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#define PSL_MBO 0x00000000 /* must be one bits */
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#define PSL_MBZ 0x8ffffc0c /* must be zero bits */
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#define PSL_USERSET 0
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#define PSL_USERSTATIC (PSL_BL|PSL_RB|PSL_MD|PSL_IMASK|PSL_MBO|PSL_MBZ)
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#define KERNELMODE(sr) ((sr) & PSL_MD)
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#ifdef _KERNEL
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#ifndef _LOCORE
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/* SR.IMASK */
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int _cpu_intr_raise(int);
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int _cpu_intr_suspend(void);
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int _cpu_intr_resume(int);
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/* SR.BL */
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int _cpu_exception_suspend(void);
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void _cpu_exception_resume(int);
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#endif /* !_LOCORE */
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#endif /* _KERNEL */
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#endif /* !_SH3_PSL_H_ */
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