freebsd-dev/sys/mips/include/cpu.h
Warner Losh e0e27ec197 Use #define for get_cyclecount rather than inline function.
mips_rd_count() isn't defined in userland, and cpu.h is included there
in alias_scpt.h (maybe they don't need it in the first place).
2010-07-16 06:09:51 +00:00

95 lines
3.3 KiB
C

/* $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
* $FreeBSD$
*/
#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_ */