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/* $FreeBSD$ */
/* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */
/*-
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1982, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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.
*
* from: Utah $Hdr: cpu.h 1.16 91/03/25$
*
* @(#)cpu.h 8.4 (Berkeley) 1/5/94
*/
#ifndef _ALPHA_CPU_H_
#define _ALPHA_CPU_H_
/*
* Exported definitions unique to Alpha cpu support.
*/
#include <machine/frame.h>
/*
* Arguments to hardclock and gatherstats encapsulate the previous
* machine state in an opaque clockframe. One the Alpha, we use
* what we push on an interrupt (a trapframe).
*/
struct clockframe {
struct trapframe cf_tf;
};
#define TRAPF_USERMODE(framep) \
(((framep)->tf_regs[FRAME_PS] & ALPHA_PSL_USERMODE) != 0)
#define TRAPF_PC(framep) ((framep)->tf_regs[FRAME_PC])
#define CLKF_USERMODE(framep) TRAPF_USERMODE(&(framep)->cf_tf)
#define CLKF_PC(framep) TRAPF_PC(&(framep)->cf_tf)
/*
* CTL_MACHDEP definitions.
*/
#define CPU_CONSDEV 1 /* dev_t: console terminal device */
#define CPU_ROOT_DEVICE 2 /* string: root device name */
#define CPU_UNALIGNED_PRINT 3 /* int: print unaligned accesses */
#define CPU_UNALIGNED_FIX 4 /* int: fix unaligned accesses */
#define CPU_UNALIGNED_SIGBUS 5 /* int: SIGBUS unaligned accesses */
#define CPU_BOOTED_KERNEL 6 /* string: booted kernel name */
#define CPU_ADJKERNTZ 7 /* int: timezone offset (seconds) */
#define CPU_DISRTCSET 8 /* int: disable resettodr() call */
#define CPU_WALLCLOCK 9 /* int: indicates wall CMOS clock */
#define CPU_MAXID 10 /* valid machdep IDs */
#define CTL_MACHDEP_NAMES { \
{ 0, 0 }, \
{ "console_device", CTLTYPE_STRUCT }, \
{ "root_device", CTLTYPE_STRING }, \
{ "unaligned_print", CTLTYPE_INT }, \
{ "unaligned_fix", CTLTYPE_INT }, \
{ "unaligned_sigbus", CTLTYPE_INT }, \
{ "booted_kernel", CTLTYPE_STRING }, \
{ "adjkerntz", CTLTYPE_INT }, \
{ "disable_rtc_set", CTLTYPE_INT }, \
{ "wall_cmos_clock", CTLTYPE_INT }, \
}
#ifdef _KERNEL
#ifdef GPROF
extern char btext[];
extern char etext[];
#endif
#define cpu_getstack(td) (alpha_pal_rdusp())
#define cpu_spinwait() /* nothing */
#define get_cyclecount alpha_rpcc
void cpu_halt(void);
void cpu_reset(void);
void fork_trampoline(void); /* MAGIC */
void swi_vm(void *);
#endif /* _KERNEL */
#endif /* _ALPHA_CPU_H_ */
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