include/elf/ip2k.h

/* IP2xxx ELF support for BFD.
   Copyright (C) 2000-2021 Free Software Foundation, Inc.

   This file is part of BFD, the Binary File Descriptor library.

   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; either version 3 of the License, or
   (at your option) any later version.

   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 Street - Fifth Floor, Boston, MA 02110-1301, USA.  */

#ifndef _ELF_IP2K_H
#define _ELF_IP2K_H

#include "elf/reloc-macros.h"

/* Relocations.  */
START_RELOC_NUMBERS (elf_ip2k_reloc_type)
  RELOC_NUMBER (R_IP2K_NONE, 0)
  RELOC_NUMBER (R_IP2K_16, 1)
  RELOC_NUMBER (R_IP2K_32, 2)
  RELOC_NUMBER (R_IP2K_FR9, 3)
  RELOC_NUMBER (R_IP2K_BANK, 4)
  RELOC_NUMBER (R_IP2K_ADDR16CJP, 5)
  RELOC_NUMBER (R_IP2K_PAGE3, 6)
  RELOC_NUMBER (R_IP2K_LO8DATA, 7)
  RELOC_NUMBER (R_IP2K_HI8DATA, 8)
  RELOC_NUMBER (R_IP2K_LO8INSN, 9)
  RELOC_NUMBER (R_IP2K_HI8INSN, 10)
  RELOC_NUMBER (R_IP2K_PC_SKIP, 11)
  RELOC_NUMBER (R_IP2K_TEXT, 12)
  RELOC_NUMBER (R_IP2K_FR_OFFSET, 13)
  RELOC_NUMBER (R_IP2K_EX8DATA, 14)
END_RELOC_NUMBERS(R_IP2K_max)


/* Define the data & instruction memory discriminator.  In a linked
   executable, an symbol should be deemed to point to an instruction
   if ((address & IP2K_INSN_MASK) == IP2K_INSN_VALUE), and similarly
   for the data space.  See also `ld/emulparams/elf32ip2k.sh'.  */
/* ??? Consider extending the _MASK values to include all the
   intermediate bits that must be zero due to the limited physical
   memory size on the IP2K.  */

#define IP2K_DATA_MASK   0xff000000
#define IP2K_DATA_VALUE  0x01000000
#define IP2K_INSN_MASK   0xff000000
#define IP2K_INSN_VALUE  0x02000000

/* The location of the memory mapped hardware stack.  */
#define IP2K_STACK_VALUE 0x0f000000
#define IP2K_STACK_SIZE  0x20

#endif /* _ELF_IP2K_H */