sys/arch/hpc/stand/hpcboot/load_coff.h

   1 /* -*-C++-*-    $NetBSD: load_coff.h,v 1.3 2005/12/11 12:17:28 christos 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_