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      1 /* -*-C++-*-	$NetBSD: load_coff.h,v 1.4 2008/04/28 20:23:20 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _HPCBOOT_LOAD_COFF_H_
     33 #define	_HPCBOOT_LOAD_COFF_H_
     34 
     35 #include <exec_coff.h>
     36 
     37 #define	FILHSZ	(sizeof(struct coff_filehdr))
     38 #define	SCNHSZ	(sizeof(struct coff_scnhdr))
     39 
     40 #define	N_TXTOFF(f, a)							\
     41 	((a)->a_vstamp < 23 ?						\
     42 	((FILHSZ +(f)->f_opthdr +(f)->f_nscns * SCNHSZ + 7) & ~7) :	\
     43 	((FILHSZ +(f)->f_opthdr +(f)->f_nscns * SCNHSZ + 15) & ~15))
     44 
     45 class CoffLoader : public Loader {
     46 private:
     47 	struct coff_exechdr _eh;
     48 	struct coff_filehdr *_fh;
     49 	struct coff_aouthdr *_ah;
     50 
     51 	BOOL read_header(void);
     52 	struct PageTag *load_page(vaddr_t, off_t, size_t, struct PageTag *);
     53 
     54 public:
     55 	CoffLoader(Console *&, MemoryManager *&);
     56 	virtual ~CoffLoader(void);
     57 
     58 	BOOL setFile(File *&);
     59 	size_t memorySize(void);
     60 	BOOL load(void);
     61 	kaddr_t jumpAddr(void);
     62 };
     63 
     64 #endif //_HPCBOOT_LOAD_COFF_H_
     65