1 /* $NetBSD: psl.h,v 1.11 2011/01/26 19:07:42 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_FD 0x00008000 /* FPU Disable bit */ 49 #define PSL_BL 0x10000000 /* Exception Block bit */ 50 #define PSL_RB 0x20000000 /* Register Bank bit */ 51 #define PSL_MD 0x40000000 /* Processor Mode bit */ 52 /* 1 = kernel, 0 = user */ 53 54 #define PSL_MBO 0x00000000 /* must be one bits */ 55 #define PSL_MBZ 0x8ffffc0c /* must be zero bits */ 56 57 #define PSL_USERSET 0 58 #define PSL_USERSTATIC (PSL_BL|PSL_RB|PSL_MD|PSL_IMASK|PSL_MBO|PSL_MBZ) 59 60 #define KERNELMODE(sr) ((sr) & PSL_MD) 61 62 #ifdef _KERNEL 63 #ifndef _LOCORE 64 65 /* SR.IMASK */ 66 int _cpu_intr_raise(int); 67 int _cpu_intr_suspend(void); 68 int _cpu_intr_resume(int); 69 70 /* SR.BL */ 71 int _cpu_exception_suspend(void); 72 void _cpu_exception_resume(int); 73 74 #endif /* !_LOCORE */ 75 #endif /* _KERNEL */ 76 77 #endif /* !_SH3_PSL_H_ */ 78