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/* $OpenBSD: cpu.h,v 1.4 1998/09/15 10:50:12 pefo Exp $ */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell and Rick Macklem. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Copyright (C) 1989 Digital Equipment Corporation. * Permission to use, copy, modify, and distribute this software and * its documentation for any purpose and without fee is hereby granted, * provided that the above copyright notice appears in all copies. * Digital Equipment Corporation makes no representations about the * suitability of this software for any purpose. It is provided "as is" * without express or implied warranty. * * from: @(#)cpu.h 8.4 (Berkeley) 1/4/94 * JNPR: cpu.h,v 1.9.2.2 2007/09/10 08:23:46 girish * $FreeBSD: release/9.1.0/sys/mips/include/cpu.h 210158 2010-07-16 06:09:51Z imp $ */ #ifndef _MACHINE_CPU_H_ #define _MACHINE_CPU_H_ #include <machine/endian.h> /* BEGIN: these are going away */ #define SR_KSU_MASK 0x00000018 #define SR_KSU_USER 0x00000010 #define SR_KSU_SUPER 0x00000008 #define SR_KSU_KERNEL 0x00000000 #define soft_int_mask(softintr) (1 << ((softintr) + 8)) #define hard_int_mask(hardintr) (1 << ((hardintr) + 10)) /* END: These are going away */ /* * Exported definitions unique to mips cpu support. */ #ifndef _LOCORE #include <machine/cpufunc.h> #include <machine/frame.h> #define TRAPF_USERMODE(framep) (((framep)->sr & SR_KSU_USER) != 0) #define TRAPF_PC(framep) ((framep)->pc) #define cpu_getstack(td) ((td)->td_frame->sp) #define cpu_setstack(td, nsp) ((td)->td_frame->sp = (nsp)) #define cpu_spinwait() /* nothing */ /* * A machine-independent interface to the CPU's counter. */ #define get_cyclecount() mips_rd_count() #endif /* !_LOCORE */ #if defined(_KERNEL) && !defined(_LOCORE) extern char btext[]; extern char etext[]; void swi_vm(void *); void cpu_halt(void); void cpu_reset(void); #endif /* _KERNEL */ #endif /* !_MACHINE_CPU_H_ */