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Diffstat (limited to 'sys/ia64/include/pmap.h')
| -rw-r--r-- | sys/ia64/include/pmap.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/sys/ia64/include/pmap.h b/sys/ia64/include/pmap.h deleted file mode 100644 index e9c8952..0000000 --- a/sys/ia64/include/pmap.h +++ /dev/null @@ -1,143 +0,0 @@ -/*- - * Copyright (c) 1991 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 and William Jolitz of UUNET Technologies Inc. - * - * 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. - * - * Derived from hp300 version by Mike Hibler, this version by William - * Jolitz uses a recursive map [a pde points to the page directory] to - * map the page tables using the pagetables themselves. This is done to - * reduce the impact on kernel virtual memory for lots of sparse address - * space, and to reduce the cost of memory to each process. - * - * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90 - * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91 - * from: i386 pmap.h,v 1.54 1997/11/20 19:30:35 bde Exp - * $FreeBSD$ - */ - -#ifndef _MACHINE_PMAP_H_ -#define _MACHINE_PMAP_H_ - -#include <sys/queue.h> -#include <sys/_lock.h> -#include <sys/_mutex.h> -#include <machine/atomic.h> -#include <machine/pte.h> -#include <machine/vmparam.h> - -#ifdef _KERNEL - -#define MAXKPT (PAGE_SIZE/sizeof(vm_offset_t)) - -#define vtophys(va) pmap_kextract((vm_offset_t)(va)) - -#endif /* _KERNEL */ - -/* - * Pmap stuff - */ -struct pv_entry; -struct pv_chunk; - -struct md_page { - TAILQ_HEAD(,pv_entry) pv_list; - vm_memattr_t memattr; -}; - -struct pmap { - struct mtx pm_mtx; - TAILQ_HEAD(,pv_chunk) pm_pvchunk; /* list of mappings in pmap */ - uint32_t pm_rid[IA64_VM_MINKERN_REGION]; - struct pmap_statistics pm_stats; /* pmap statistics */ -}; - -typedef struct pmap *pmap_t; - -#ifdef _KERNEL -extern struct pmap kernel_pmap_store; -#define kernel_pmap (&kernel_pmap_store) - -#define PMAP_LOCK(pmap) mtx_lock(&(pmap)->pm_mtx) -#define PMAP_LOCK_ASSERT(pmap, type) \ - mtx_assert(&(pmap)->pm_mtx, (type)) -#define PMAP_LOCK_DESTROY(pmap) mtx_destroy(&(pmap)->pm_mtx) -#define PMAP_LOCK_INIT(pmap) mtx_init(&(pmap)->pm_mtx, "pmap", \ - NULL, MTX_DEF) -#define PMAP_LOCKED(pmap) mtx_owned(&(pmap)->pm_mtx) -#define PMAP_MTX(pmap) (&(pmap)->pm_mtx) -#define PMAP_TRYLOCK(pmap) mtx_trylock(&(pmap)->pm_mtx) -#define PMAP_UNLOCK(pmap) mtx_unlock(&(pmap)->pm_mtx) -#endif - -/* - * For each vm_page_t, there is a list of all currently valid virtual - * mappings of that page. An entry is a pv_entry_t, the list is pv_list. - */ -typedef struct pv_entry { - vm_offset_t pv_va; /* virtual address for mapping */ - TAILQ_ENTRY(pv_entry) pv_list; -} *pv_entry_t; - -#ifdef _KERNEL - -extern vm_paddr_t phys_avail[]; -extern vm_offset_t virtual_avail; -extern vm_offset_t virtual_end; - -extern uint64_t pmap_vhpt_base[]; -extern int pmap_vhpt_log2size; - -#define pmap_mapbios(pa,sz) pmap_mapdev_attr(pa,sz,VM_MEMATTR_UNCACHEABLE) -#define pmap_mapdev(pa,sz) pmap_mapdev_attr(pa,sz,VM_MEMATTR_UNCACHEABLE) -#define pmap_unmapbios(va,sz) pmap_unmapdev(va,sz) - -#define pmap_page_get_memattr(m) ((m)->md.memattr) -#define pmap_page_is_mapped(m) (!TAILQ_EMPTY(&(m)->md.pv_list)) -#define pmap_page_is_write_mapped(m) (((m)->aflags & PGA_WRITEABLE) != 0) - -void pmap_kenter(vm_offset_t va, vm_paddr_t pa); -vm_paddr_t pmap_kextract(vm_offset_t va); -void pmap_kremove(vm_offset_t); -void *pmap_mapdev_attr(vm_paddr_t, vm_size_t, vm_memattr_t); -void pmap_page_set_memattr(vm_page_t, vm_memattr_t); -void pmap_unmapdev(vm_offset_t, vm_size_t); - -/* Machine-architecture private */ -vm_offset_t pmap_alloc_vhpt(void); -void pmap_bootstrap(void); -void pmap_invalidate_all(void); -vm_offset_t pmap_mapdev_priv(vm_paddr_t, vm_size_t, vm_memattr_t); -vm_offset_t pmap_page_to_va(vm_page_t); -vm_offset_t pmap_steal_memory(vm_size_t); -struct pmap *pmap_switch(struct pmap *pmap); - -#endif /* _KERNEL */ - -#endif /* !_MACHINE_PMAP_H_ */ |
