baeeef1d8f
x86 needs delayed TLB invalidation because invalidation requires an expensive IPI. PowerPC has had a TLB invalidation instruction since the POWER1 in 1990, so there's no need to delay anything.
84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $NetBSD: proc.h,v 1.2 1997/04/16 22:57:48 thorpej Exp $
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PROC_H_
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#define _MACHINE_PROC_H_
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/*
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* Machine-dependent part of the proc structure
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*/
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struct mdthread {
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int md_spinlock_count; /* (k) */
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register_t md_saved_msr; /* (k) */
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};
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struct mdproc {
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/*
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* Avoid empty structs because they are undefined behavior.
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*/
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long md_spare;
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};
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#ifdef __powerpc64__
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#define KINFO_PROC_SIZE 1088
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#define KINFO_PROC32_SIZE 816
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#else
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#define KINFO_PROC_SIZE 816
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#endif
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struct syscall_args {
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u_int code;
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struct sysent *callp;
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register_t args[10];
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int narg;
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};
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#ifdef _KERNEL
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#include <machine/pcb.h>
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/* Get the current kernel thread stack usage. */
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#define GET_STACK_USAGE(total, used) do { \
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struct thread *td = curthread; \
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(total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb); \
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(used) = (char *)td->td_kstack + \
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td->td_kstack_pages * PAGE_SIZE - \
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(char *)&td; \
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} while (0)
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#endif
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#endif /* !_MACHINE_PROC_H_ */
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