cd3e4f8ebc
kernel ABI (i.e. not i386 or amd64). Due to the "half function, half macro, all noodles" nature of pmap.h, it's too entangling and too brittle to keep up with an ifdeffy MI implementation.
93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/* $NetBSD: pmap_stub.c,v 1.24 2010/06/16 11:45:21 pooka Exp $ */
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/*
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* Copyright (c) 2010 Antti Kantee. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pmap_stub.c,v 1.24 2010/06/16 11:45:21 pooka Exp $");
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#include <sys/param.h>
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#include <uvm/uvm_extern.h>
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/*
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* This is the MI pmap implementation for rump. It's used only by
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* architectures which do not conform to the kernel ABI. The kernel
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* ABI conformant architectures provide their own pmap under librump/arch
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* (due to various messiness with macros in the pmap "interface").
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*/
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struct pmap *const kernel_pmap_ptr = (struct pmap *const)-1;
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void
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pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot, u_int fl)
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{
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panic("%s: unavailable", __func__);
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}
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void
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pmap_kremove(vaddr_t va, vsize_t size)
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{
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panic("%s: unavailable", __func__);
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}
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int
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pmap_enter(pmap_t pmap, vaddr_t va, paddr_t pa, vm_prot_t prot, u_int flags)
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{
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panic("%s: unavailable", __func__);
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}
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void
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pmap_remove(pmap_t pmap, vaddr_t sva, vaddr_t eva)
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{
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panic("%s: unavailable", __func__);
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}
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bool
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pmap_extract(pmap_t pmap, vaddr_t va, paddr_t *pap)
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{
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*pap = va;
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return true;
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}
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void
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pmap_page_protect(struct vm_page *pg, vm_prot_t prot)
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{
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/* nada */
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}
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bool
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pmap_clear_modify(struct vm_page *pg)
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{
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return true;
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}
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