1 /* $OpenBSD: cpu.h,v 1.4 1998/09/15 10:50:12 pefo Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (c) 1992, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * Ralph Campbell and Rick Macklem. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * Copyright (C) 1989 Digital Equipment Corporation. 37 * Permission to use, copy, modify, and distribute this software and 38 * its documentation for any purpose and without fee is hereby granted, 39 * provided that the above copyright notice appears in all copies. 40 * Digital Equipment Corporation makes no representations about the 41 * suitability of this software for any purpose. It is provided "as is" 42 * without express or implied warranty. 43 * 44 * from: @(#)cpu.h 8.4 (Berkeley) 1/4/94 45 * JNPR: cpu.h,v 1.9.2.2 2007/09/10 08:23:46 girish 46 * $FreeBSD$ 47 */ 48 49 #ifndef _MACHINE_CPU_H_ 50 #define _MACHINE_CPU_H_ 51 52 #include <machine/endian.h> 53 54 /* BEGIN: these are going away */ 55 56 #define soft_int_mask(softintr) (1 << ((softintr) + 8)) 57 #define hard_int_mask(hardintr) (1 << ((hardintr) + 10)) 58 59 /* END: These are going away */ 60 61 /* 62 * Exported definitions unique to mips cpu support. 63 */ 64 65 #ifndef _LOCORE 66 #include <machine/cpufunc.h> 67 #include <machine/frame.h> 68 69 #define TRAPF_USERMODE(framep) (((framep)->sr & MIPS_SR_KSU_USER) != 0) 70 #define TRAPF_PC(framep) ((framep)->pc) 71 #define cpu_getstack(td) ((td)->td_frame->sp) 72 #define cpu_setstack(td, nsp) ((td)->td_frame->sp = (nsp)) 73 #define cpu_spinwait() /* nothing */ 74 #define cpu_lock_delay() DELAY(1) 75 76 /* 77 * A machine-independent interface to the CPU's counter. 78 */ 79 #define get_cyclecount() mips_rd_count() 80 #endif /* !_LOCORE */ 81 82 #if defined(_KERNEL) && !defined(_LOCORE) 83 84 extern char btext[]; 85 extern char etext[]; 86 87 void swi_vm(void *); 88 void cpu_halt(void); 89 void cpu_reset(void); 90 91 #endif /* _KERNEL */ 92 #endif /* !_MACHINE_CPU_H_ */ 93