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psl.h revision 1.4 
      1 /*	$NetBSD: psl.h,v 1.4 2002/03/24 18:04:39 uch 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. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  *	@(#)psl.h	5.2 (Berkeley) 1/18/91
     39  */
     40 
     41 #ifndef _SH3_PSL_H_
     42 #define _SH3_PSL_H_
     43 
     44 /*
     45  * SuperH Processer Status Register.
     46  */
     47 #define PSL_TBIT	0x00000001	/* T bit */
     48 #define PSL_SBIT	0x00000002	/* S bit */
     49 #define PSL_IMASK	0x000000f0	/* Interrupt Mask bit */
     50 #define	PSL_QBIT	0x00000100	/* Q bit */
     51 #define	PSL_MBIT	0x00000200	/* M bit */
     52 #define	PSL_BL		0x10000000	/* Exception Block bit */
     53 #define	PSL_RB		0x20000000	/* Register Bank bit */
     54 #define	PSL_MD		0x40000000	/* Processor Mode bit */
     55                                         /* 1 = kernel, 0 = user */
     56 
     57 #define	PSL_MBO		0x00000000	/* must be one bits */
     58 #define	PSL_MBZ		0x8ffffc0c	/* must be zero bits */
     59 
     60 #define PSL_USERSET	0
     61 #define PSL_USERSTATIC	(PSL_BL|PSL_RB|PSL_MD|PSL_IMASK|PSL_MBO|PSL_MBZ)
     62 
     63 #define	KERNELMODE(sr)		((sr) & PSL_MD)
     64 #define	USERMODE(sr)		(!KERNELMODE(sr))
     65 
     66 #ifdef _KERNEL
     67 #ifndef _LOCORE
     68 /* SR.IMASK */
     69 int _cpu_intr_raise(int);
     70 int _cpu_intr_suspend(void);
     71 int _cpu_intr_resume(int);
     72 /* SR.BL */
     73 int _cpu_exception_suspend(void);
     74 void _cpu_exception_resume(int);
     75 #endif /* !_LOCORE */
     76 
     77 #include <machine/intr.h>
     78 #endif /* _KERNEL */
     79 
     80 #endif /* !_SH3_PSL_H_ */
     81