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Annotation of sys/arch/sh/include/psl.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: psl.h,v 1.3 2007/02/26 19:34:41 miod Exp $    */
        !             2: /*     $NetBSD: psl.h,v 1.8 2005/12/11 12:18:58 christos Exp $ */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1990 The Regents of the University of California.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to Berkeley by
        !             9:  * William Jolitz.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. Neither the name of the University nor the names of its contributors
        !            20:  *    may be used to endorse or promote products derived from this software
        !            21:  *    without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33:  * SUCH DAMAGE.
        !            34:  *
        !            35:  *     @(#)psl.h       5.2 (Berkeley) 1/18/91
        !            36:  */
        !            37:
        !            38: #ifndef _SH_PSL_H_
        !            39: #define        _SH_PSL_H_
        !            40:
        !            41: /*
        !            42:  * SuperH Processer Status Register.
        !            43:  */
        !            44: #define        PSL_TBIT        0x00000001      /* T bit */
        !            45: #define        PSL_SBIT        0x00000002      /* S bit */
        !            46: #define        PSL_IMASK       0x000000f0      /* Interrupt Mask bit */
        !            47: #define        PSL_QBIT        0x00000100      /* Q bit */
        !            48: #define        PSL_MBIT        0x00000200      /* M bit */
        !            49: #define        PSL_FD          0x00008000      /* FPU Disable bit */
        !            50: #define        PSL_BL          0x10000000      /* Exception Block bit */
        !            51: #define        PSL_RB          0x20000000      /* Register Bank bit */
        !            52: #define        PSL_MD          0x40000000      /* Processor Mode bit */
        !            53:
        !            54: #define        PSL_MBO         0x00000000      /* must be one bits */
        !            55: #define        PSL_MBZ         0x8fff7c0c      /* must be zero bits */
        !            56:
        !            57: #define        PSL_USERSET     0
        !            58: #define        PSL_USERSTATIC  (PSL_BL|PSL_RB|PSL_MD|PSL_IMASK|PSL_FD|PSL_MBO|PSL_MBZ)
        !            59:
        !            60: #define        KERNELMODE(sr)          ((sr) & PSL_MD)
        !            61:
        !            62: #ifdef _KERNEL
        !            63: #ifndef _LOCORE
        !            64: /* SR.IMASK */
        !            65: int _cpu_intr_raise(int);
        !            66: int _cpu_intr_suspend(void);
        !            67: int _cpu_intr_resume(int);
        !            68: /* SR.BL */
        !            69: int _cpu_exception_suspend(void);
        !            70: void _cpu_exception_resume(int);
        !            71: #endif /* !_LOCORE */
        !            72:
        !            73: #include <machine/intr.h>
        !            74: #endif /* _KERNEL */
        !            75:
        !            76: #endif /* !_SH_PSL_H_ */