X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=StdLib%2FInclude%2FIpf%2Fmachine%2Fpmap.h;fp=StdLib%2FInclude%2FIpf%2Fmachine%2Fpmap.h;h=0000000000000000000000000000000000000000;hp=04b78a3e603a73b941be381831a1fca3b1c8b7b5;hb=56ca900782d5d478e6e6389aca42b7ea0e0b3193;hpb=659e7817e300bf2a80a8b45347a6b2486fd8c5dd diff --git a/StdLib/Include/Ipf/machine/pmap.h b/StdLib/Include/Ipf/machine/pmap.h deleted file mode 100644 index 04b78a3e60..0000000000 --- a/StdLib/Include/Ipf/machine/pmap.h +++ /dev/null @@ -1,162 +0,0 @@ -/*- - * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, - * NASA Ames Research Center and by Chris G. Demetriou. - * - * 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 the NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. - */ - -/*- - * 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: src/sys/ia64/include/pmap.h,v 1.25 2005/09/03 23:53:50 marcel Exp $ - */ - -#ifndef _PMAP_MACHINE_ -#define _PMAP_MACHINE_ - -#include - -paddr_t vtophys(vaddr_t); - -struct pv_entry; /* Forward declaration. */ - -struct pmap { - TAILQ_ENTRY(pmap) pm_list; /* list of all pmaps */ - TAILQ_HEAD(,pv_entry) pm_pvlist; /* list of mappings in pmap */ - int pm_count; /* pmap reference count */ - struct simplelock pm_slock; /* lock on pmap */ - u_int32_t pm_rid[5]; /* base RID for pmap */ - int pm_active; /* active flag */ - struct pmap_statistics pm_stats; /* pmap statistics */ - unsigned long pm_cpus; /* mask of CPUs using pmap */ - -}; - -typedef struct pmap *pmap_t; - -/* - * 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_pvlist. - */ -typedef struct pv_entry { - pmap_t pv_pmap; /* pmap where mapping lies */ - vaddr_t pv_va; /* virtual address for mapping */ - TAILQ_ENTRY(pv_entry) pv_list; - TAILQ_ENTRY(pv_entry) pv_plist; -} *pv_entry_t; - -/* pvh_attrs */ -#define PGA_MODIFIED 0x01 /* modified */ -#define PGA_REFERENCED 0x02 /* referenced */ - - -extern struct pmap kernel_pmap_store; - -#define pmap_kernel() (&kernel_pmap_store) - -#define pmap_resident_count(pmap) ((pmap)->pm_stats.resident_count) -#define pmap_wired_count(pmap) ((pmap)->pm_stats.wired_count) - -#define pmap_copy(dp, sp, da, l, sa) /* nothing */ -#define pmap_update(pmap) /* nothing (yet) */ - -void pmap_bootstrap(void); - -#define pmap_is_referenced(pg) \ - (((pg)->mdpage.pvh_attrs & PGA_REFERENCED) != 0) -#define pmap_is_modified(pg) \ - (((pg)->mdpage.pvh_attrs & PGA_MODIFIED) != 0) - - -#define PMAP_STEAL_MEMORY /* enable pmap_steal_memory() */ - -/* - * Alternate mapping hooks for pool pages. Avoids thrashing the TLB. - */ -#define PMAP_MAP_POOLPAGE(pa) IA64_PHYS_TO_RR7((pa)) -#define PMAP_UNMAP_POOLPAGE(va) IA64_RR_MASK((va)) - -/* - * Macros for locking pmap structures. - * - * Note that we if we access the kernel pmap in interrupt context, it - * is only to update statistics. Since stats are updated using atomic - * operations, locking the kernel pmap is not necessary. Therefore, - * it is not necessary to block interrupts when locking pmap strucutres. - */ -#define PMAP_LOCK(pmap) simple_lock(&(pmap)->pm_slock) -#define PMAP_UNLOCK(pmap) simple_unlock(&(pmap)->pm_slock) - - -#define PMAP_VHPT_LOG2SIZE 16 - - -#endif /* _PMAP_MACHINE_ */