arch/alpha/vtophys.cc: fix up vtophys to deal with translations if there is no ptbr, and to deal with PAL addresses add ptomem which is just a wrapper for dma_addr arch/alpha/vtophys.hh: add ptomem which is a wrapper for dma_addr with the same usage as vtomem --HG-- extra : convert_revision : 1ae22073d400e87b708a4a7ef501124227fc6c39
51 lines
2.2 KiB
C++
51 lines
2.2 KiB
C++
/*
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* Copyright (c) 2003 The Regents of The University of Michigan
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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 are
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* met: 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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* 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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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __VTOPHYS_H__
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#define __VTOPHYS_H__
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#include "targetarch/isa_traits.hh"
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#include "targetarch/pmap.h"
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inline bool entry_valid(uint64_t entry)
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{ return (entry & ALPHA_PTE_VALID) != 0; }
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class ExecContext;
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class PhysicalMemory;
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Addr kernel_pte_lookup(PhysicalMemory *pmem, Addr ptbr, Addr vaddr);
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Addr vtophys(PhysicalMemory *xc, Addr vaddr);
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Addr vtophys(ExecContext *xc, Addr vaddr);
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uint8_t *vtomem(ExecContext *xc, Addr vaddr, size_t len);
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uint8_t *ptomem(ExecContext *xc, Addr paddr, size_t len);
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void CopyData(ExecContext *xc, void *dst, Addr vaddr, size_t len);
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void CopyString(ExecContext *xc, char *dst, Addr vaddr, size_t maxlen);
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#endif // __VTOPHYS_H__
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