bootstrap/include/elfloader.h

   1 /*
   2  * Copyright (C) 2006 - 2011 The AROS Development Team. All rights reserved.
   3  * $Id$
   4  */
   5
   6 #ifndef BOOTSTRAP_ELFLOADER_H_
   7 #define BOOTSTRAP_ELFLOADER_H_
   8
   9 #include <inttypes.h>
  10
  11 /* The loader operates with a single-linked list of these structures */
  12 struct ELFNode
  13 {
  14     struct ELFNode   *Next;
  15     struct sheader   *sh;
  16     struct elfheader *eh;
  17     char             *Name;
  18 };
  19
  20 /* Some forward declarations */
  21 struct TagItem;
  22 struct KernelBSS;
  23 struct ELF_ModuleInfo;
  24
  25 /* This is the calling convention for kickstart entry point */
  26 typedef int (*kernel_entry_fun_t)(struct TagItem *, unsigned int);
  27
  28 /* Two main functions you will use */
  29 int GetKernelSize(struct ELFNode *FirstELF, unsigned long *ro_size, unsigned long *rw_size, unsigned long *bss_size);
  30 int LoadKernel(struct ELFNode *FirstELF, void *ptr_ro, void *ptr_rw, char *bss_tracker, uintptr_t DefSysBase,
  31                void **kick_end, kernel_entry_fun_t *kernel_entry, struct ELF_ModuleInfo **kernel_debug);
  32
  33 /*
  34  * These functions are used to access files by the loader.
  35  * They need to be provided by your bootstrap implementation.
  36  */
  37 void *open_file(struct ELFNode *n, unsigned int *err);
  38 void close_file(void *file);
  39 int read_block(void *file, unsigned long offset, void *dest, unsigned long length);
  40 void *load_block(void *file, unsigned long offset, unsigned long length, unsigned int *err);
  41 void free_block(void *addr);
  42
  43 #endif