99 lines
3.0 KiB
C
99 lines
3.0 KiB
C
|
/*
|
||
|
|
* 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 cpu_swapout(p)
|
||
|
|
#define cpu_number() 0
|
||
|
|
|
||
|
|
extern void delay __P((unsigned));
|
||
|
|
#define DELAY(n) delay(n)
|
||
|
|
|
||
|
|
extern int want_resched;
|
||
|
|
extern int astpending;
|
||
|
|
|
||
|
|
#define need_proftick(p) ((p)->p_flag |= PS_OWEUPC, astpending = 1)
|
||
|
|
|
||
|
|
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(p) ((p)->p_md.md_regs[1])
|
||
|
|
|
||
|
|
void savectx __P((struct pcb *));
|
||
|
|
|
||
|
|
#endif /* _MACHINE_CPU_H_ */
|