1 /* $OpenBSD: psl.h,v 1.4 2010/04/25 18:11:36 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 Processor 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 #endif /* _KERNEL */ 73 74 #endif /* !_SH_PSL_H_ */ 75