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/*
* Copyright (C) 1995-1997 Wolfgang Solfrank.
* Copyright (C) 1995-1997 TooLs GmbH.
* All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
*
* $NetBSD: cpu.h,v 1.11 2000/05/26 21:19:53 thorpej Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_CPU_H_
#define _MACHINE_CPU_H_
#include <machine/frame.h>
#include <machine/pcb.h>
#include <machine/psl.h>
#define CLKF_USERMODE(frame) (((frame)->srr1 & PSL_PR) != 0)
#define CLKF_BASEPRI(frame) ((frame)->pri == 0)
#define CLKF_PC(frame) ((frame)->srr0)
#define CLKF_INTR(frame) ((frame)->depth > 0)
#define TRAPF_USERMODE(frame) ((frame)->srr1 & PSL_PR) != 0)
#define TRAPF_PC(frame) ((frame)->srr0)
#define cpu_swapout(p)
#define cpu_number() 0
extern void delay __P((unsigned));
#define DELAY(n) delay(n)
extern int want_resched;
extern int astpending;
extern char bootpath[];
#if defined(_KERNEL) || defined(_STANDALONE)
#define CACHELINESIZE 32
#endif
extern void __syncicache __P((void *, int));
/*
* CTL_MACHDEP definitions.
*/
#define CPU_CACHELINE 1
#define CPU_MAXID 2
#define CPU_CONSDEV 1
#define CTL_MACHDEP_NAMES { \
{ 0, 0 }, \
{ "cachelinesize", CTLTYPE_INT }, \
}
static __inline u_int64_t
get_cyclecount(void)
{
u_int32_t upper, lower;
u_int64_t time;
__asm __volatile(
"mftb %0\n"
"mftbu %1"
: "=r" (lower), "=r" (upper));
time = (u_int64_t)upper;
time = (time << 32) + lower;
return (time);
}
#define cpu_getstack(td) ((td)->td_frame->fixreg[1])
void savectx __P((struct pcb *));
#endif /* _MACHINE_CPU_H_ */
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