61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*-
|
|
* Copyright (c) 2004-2010 Juli Mallett <jmallett@FreeBSD.org>
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_TLB_H_
|
|
#define _MACHINE_TLB_H_
|
|
|
|
/*
|
|
* The first TLB entry that write random hits.
|
|
* TLB entry 0 maps the kernel stack of the currently running thread
|
|
* TLB entry 1 maps the pcpu area of processor (only for SMP builds)
|
|
*/
|
|
#define KSTACK_TLB_ENTRY 0
|
|
#ifdef SMP
|
|
#define PCPU_TLB_ENTRY 1
|
|
#define VMWIRED_ENTRIES 2
|
|
#else
|
|
#define VMWIRED_ENTRIES 1
|
|
#endif /* SMP */
|
|
|
|
/*
|
|
* The number of process id entries.
|
|
*/
|
|
#define VMNUM_PIDS 256
|
|
|
|
extern int num_tlbentries;
|
|
|
|
void tlb_insert_wired(unsigned, vm_offset_t, pt_entry_t, pt_entry_t);
|
|
void tlb_invalidate_address(struct pmap *, vm_offset_t);
|
|
void tlb_invalidate_all(void);
|
|
void tlb_invalidate_all_user(struct pmap *);
|
|
void tlb_invalidate_range(struct pmap *, vm_offset_t, vm_offset_t);
|
|
void tlb_save(void);
|
|
void tlb_update(struct pmap *, vm_offset_t, pt_entry_t);
|
|
|
|
#endif /* !_MACHINE_TLB_H_ */
|