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Annotation of sys/arch/sh/include/psl.h, Revision 1.1.1.1

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_ */