96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
/* -*-C++-*- $NetBSD: load.h,v 1.3 2002/02/11 17:05:45 uch Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HPCBOOT_LOAD_H_
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#define _HPCBOOT_LOAD_H_
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#include <hpcboot.h>
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#include <machine/endian_machdep.h>
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#undef PAGE_LINK_DUMP // debug use only. if defined, you can't boot.
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class Console;
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class MemoryManager;
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class File;
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class Loader {
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private:
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struct PageTag *_pvec_prev, *_opvec_prev, *_pvec_clr;
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paddr_t _pvec_clr_paddr;
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int _nload_link, _n0clr_link;
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size_t _tpsz;
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struct PageTag *_load_page(vaddr_t, off_t, size_t, struct PageTag *);
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BOOL _error;
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protected:
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BOOL _debug;
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Console *&_cons;
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MemoryManager *&_mem;
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File *_file;
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paddr_t _page_tag_start;
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paddr_t _kernend;
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Loader(Console *&, MemoryManager *&);
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void _load_segment_start(void);
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void _load_segment(vaddr_t, vsize_t, off_t, size_t);
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void _load_memory(vaddr_t, vsize_t, void *);
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void _load_segment_end(void);
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BOOL _load_success(void) const { return !_error; };
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public:
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virtual ~Loader(void) { /* NO-OP */ }
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BOOL &setDebug(void) { return _debug; }
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virtual BOOL setFile(File *&file) { _file = file; return TRUE; }
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virtual size_t memorySize(void) = 0;
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virtual BOOL load(void) = 0;
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virtual kaddr_t jumpAddr(void) = 0;
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paddr_t tagStart(void);
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BOOL loadExtData(void);
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void loadEnd(void);
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void tagDump(int); // for debug
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static LoaderOps objectFormat(File &);
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};
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#endif //_HPCBOOT_LOAD_H_
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