text: /*
   * This file is part of the coreboot project.
   *
   * Copyright (C) 2007 Advanced Micro Devices, Inc.
   * Copyright (C) 2009-2010 coresystems GmbH
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; version 2 of the License.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
   */
  
  #ifndef __DEVICE_OPROM_REALMODE_X86_H__
  #define __DEVICE_OPROM_REALMODE_X86_H__
  
  #include <arch/cpu.h>
  
  #define REALMODE_BASE ((void *)0x600)
  
  struct realmode_idt {
  	u16 offset, cs;
  };
  
  void x86_exception(struct eregs *info);
  
  /* From x86_asm.S */
  extern unsigned char __idt_handler;
  extern unsigned int __idt_handler_size;
  extern unsigned char __realmode_code;
  extern unsigned int __realmode_code_size;
  
  extern void (*realmode_call)(u32 addr, u32 eax, u32 ebx, u32 ecx, u32 edx,
  		u32 esi, u32 edi) asmlinkage;
  
  extern void (*realmode_interrupt)(u32 intno, u32 eax, u32 ebx, u32 ecx, u32 edx,
  		u32 esi, u32 edi) asmlinkage;
  
  #define FAKE_MEMORY_SIZE (1024*1024) // only 1MB
  #define INITIAL_EBDA_SEGMENT 0xF600
  #define INITIAL_EBDA_SIZE 0x400
  
  int int10_handler(void);
  int int12_handler(void);
  int int16_handler(void);
  int int1a_handler(void);
  
  #endif
  