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psl.h revision 1.9 
      1 /*	$NetBSD: psl.h,v 1.9 2006/10/15 02:11:21 uwe Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1990 The Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * William Jolitz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  *	@(#)psl.h	5.2 (Berkeley) 1/18/91
     35  */
     36 
     37 #ifndef _SH3_PSL_H_
     38 #define	_SH3_PSL_H_
     39 
     40 /*
     41  * SuperH Processer Status Register.
     42  */
     43 #define	PSL_TBIT	0x00000001	/* T bit */
     44 #define	PSL_SBIT	0x00000002	/* S bit */
     45 #define	PSL_IMASK	0x000000f0	/* Interrupt Mask bit */
     46 #define	PSL_QBIT	0x00000100	/* Q bit */
     47 #define	PSL_MBIT	0x00000200	/* M bit */
     48 #define	PSL_BL		0x10000000	/* Exception Block bit */
     49 #define	PSL_RB		0x20000000	/* Register Bank bit */
     50 #define	PSL_MD		0x40000000	/* Processor Mode bit */
     51                                         /* 1 = kernel, 0 = user */
     52 
     53 #define	PSL_MBO		0x00000000	/* must be one bits */
     54 #define	PSL_MBZ		0x8ffffc0c	/* must be zero bits */
     55 
     56 #define	PSL_USERSET	0
     57 #define	PSL_USERSTATIC	(PSL_BL|PSL_RB|PSL_MD|PSL_IMASK|PSL_MBO|PSL_MBZ)
     58 
     59 #define	KERNELMODE(sr)		((sr) & PSL_MD)
     60 
     61 #ifdef _KERNEL
     62 #ifndef _LOCORE
     63 
     64 /* SR.IMASK */
     65 int _cpu_intr_raise(int);
     66 int _cpu_intr_suspend(void);
     67 int _cpu_intr_resume(int);
     68 
     69 /* SR.BL */
     70 int _cpu_exception_suspend(void);
     71 void _cpu_exception_resume(int);
     72 
     73 #include <machine/intr.h>
     74 
     75 #endif /* !_LOCORE */
     76 #endif /* _KERNEL */
     77 
     78 #endif /* !_SH3_PSL_H_ */
     79