NetBSD/sys/arch/hpc/stand/hpcboot/load.h

94 lines
3.2 KiB
C++

/* -*-C++-*- $NetBSD: load.h,v 1.2 2001/03/21 14:06:25 toshii Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* 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.
*/
#ifndef _HPCBOOT_LOAD_H_
#define _HPCBOOT_LOAD_H_
#include <hpcboot.h>
#include <machine/endian_machdep.h>
#undef PAGE_LINK_DUMP // debug use only. if defined, you can't boot.
class Console;
class MemoryManager;
class File;
class Loader {
private:
struct PageTag *_pvec_prev, *_opvec_prev, *_pvec_clr;
paddr_t _pvec_clr_paddr;
int _nload_link, _n0clr_link;
size_t _tpsz;
struct PageTag *_load_page(vaddr_t, off_t, size_t, struct PageTag *);
protected:
BOOL _debug;
Console *&_cons;
MemoryManager *&_mem;
File *_file;
paddr_t _page_tag_start;
paddr_t _kernend;
Loader(Console *&, MemoryManager *&);
void _load_segment_start(void);
void _load_segment(vaddr_t, vsize_t, off_t, size_t);
void _load_memory(vaddr_t, vsize_t, void *);
void _load_segment_end(void);
public:
virtual ~Loader(void) { /* NO-OP */ }
BOOL &setDebug(void) { return _debug; }
virtual BOOL setFile(File *&file) { _file = file; return TRUE; }
virtual size_t memorySize(void) = 0;
virtual BOOL load(void) = 0;
virtual kaddr_t jumpAddr(void) = 0;
paddr_t tagStart(void);
void loadExtData(void);
void loadEnd(void);
void tagDump(int); // for debug
static LoaderOps objectFormat(File &);
};
#endif //_HPCBOOT_LOAD_H_