From ff21dc0ea5db921f0bc891fc6c4f8742198c5b6c Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Wed, 17 Jul 2002 14:15:50 +0000 Subject: Add IP2k support to BFD and LD --- include/elf/ChangeLog | 12 ++++++++++ include/elf/common.h | 1 + include/elf/ip2k.h | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 75 insertions(+) create mode 100644 include/elf/ip2k.h diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 3e64a32c0..e7b8b76d4 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,15 @@ +2002-07-15 Denis Chertykov + Frank Ch. Eigler + Ben Elliston + Alan Lehotsky + John Healy + Graham Stott + Jeff Johnston + + * common.h (EM_IP2K): New macro. + (EM_IP2K_OLD): New macro. + * ip2k.h: New file. + 2002-07-01 Matt Thomas * vax.h: Rename EF_* to EF_VAX_*. diff --git a/include/elf/common.h b/include/elf/common.h index 4e1b50276..86b82fe34 100644 --- a/include/elf/common.h +++ b/include/elf/common.h @@ -176,6 +176,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ +#define EM_IP2K 101 /* Ubicom IP2022 micro controller */ /* If it is necessary to assign new unofficial EM_* values, please pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision diff --git a/include/elf/ip2k.h b/include/elf/ip2k.h new file mode 100644 index 000000000..c331b720f --- /dev/null +++ b/include/elf/ip2k.h @@ -0,0 +1,62 @@ +/* IP2xxx ELF support for BFD. + Copyright (C) 2000, 2002 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 2 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., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 */ -- cgit v1.2.3