Add support for OpenRISC 32-bit embedded processor
This commit is contained in:
Nick Clifton
parent
29a1ad942e
commit
5d4ac1011e
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@ -1,6 +1,6 @@
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2002-01-28 Jason Merrill <jason@redhat.com>
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2002-01-31 Ivan Guzvinec <ivang@opencores.org>
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* elf/dwarf2.h: Sync with gcc version.
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* dis-asm.h : Add support for or32 targets
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2002-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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@ -10,11 +10,6 @@
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* cgen.h (BFD_VERSION): Use BFD_VERSION_DATE instead.
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2002-01-15 Richard Earnshaw <rearnsha@arm.com>
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* coff/arm.h (F_VFP_FLOAT): Define.
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* elf/arm.h (F_VFP_FLOAT, EF_ARM_VFP_FLOAT): Define.
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2001-12-14 Nick Clifton <nickc@cambridge.redhat.com>
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* dis-asm.h (INIT_DISASSEMBLE_INFO_NO_ARCH): Initialise the
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@ -22,7 +17,6 @@
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2001-12-13 Jakub Jelinek <jakub@redhat.com>
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* elf/common.h (PT_GNU_EH_FRAME): Define.
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* bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field.
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2001-12-07 Geoffrey Keating <geoffk@redhat.com>
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@ -48,7 +42,7 @@
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2001-10-24 Neil Booth <neil@daikokuya.demon.co.uk>
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* include/safe-ctype.h (_sch_isbasic, IS_ISOBASIC): New.
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* safe-ctype.h (_sch_isbasic, IS_ISOBASIC): New.
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2001-10-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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@ -160,12 +154,6 @@
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* libiberty.h (lbasename): Change function declaration to return a
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const char pointer.
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2001-08-10 Richard Sandiford <rsandifo@redhat.com>
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* opcode/mips.h (INSN_GP32): Remove.
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(OPCODE_IS_MEMBER): Remove gp32 parameter.
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(M_MOVE): New macro identifier.
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2001-08-02 Mark Kettenis <kettenis@gnu.org>
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* xregex.h (_REGEX_RE_COMP): Define.
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@ -177,19 +165,10 @@
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* bfdlink.h (struct bfd_link_info): add new boolean
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field pei386_auto_import.
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2001-08-01 Aldy Hernandez <aldyh@redhat.com>
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* opcode/mips.h (INSN_ISA_MASK): Nuke bits 12-15.
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2001-07-18 Andreas Jaeger <aj@suse.de>
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* xregex2.h: Place under LGPL version 2.1.
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2001-07-12 Jeff Johnston <jjohnstn@redhat.com>
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* opcode/cgen.h (CGEN_INSN): Add regex support.
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(build_insn_regex): Declare.
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2001-07-10 Jeff Johnston <jjohnstn@redhat.com>
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* xregex.h: New file to support libiberty regex.
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@ -207,11 +186,6 @@
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* ansidecl.h (NULL_PTR): Delete.
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2001-05-11 Jakub Jelinek <jakub@redhat.com>
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* elf/ia64.h (ELF_STRING_ia64_unwind_once): Define.
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(ELF_STRING_ia64_unwind_info_once): Define.
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2001-05-07 Zack Weinberg <zackw@stanford.edu>
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* demangle.h: Use PARAMS for all prototypes.
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@ -1,3 +1,7 @@
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2002-01-31 Ivan Guzvinec <ivang@opencores.org>
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* or32.h: New file.
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2001-12-24 Tom Rix <trix@redhat.com>
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* xcoff.h (xcoff_big_format_p): Make <bigaf> the default archive
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@ -5,7 +9,6 @@
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(XCOFFARMAG_ELEMENT_SIZE, XCOFFARMAGBIG_ELEMENT_SIZE): Define for
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archive header ascii elements.
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2001-12-17 Tom Rix <trix@redhat.com>
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* xcoff.h : Add .except and .typchk section string and styp flags.
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@ -15,6 +18,10 @@
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* xcoff.h : Clean up formatting.
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2002-01-15 Richard Earnshaw <rearnsha@arm.com>
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* arm.h (F_VFP_FLOAT): Define.
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2001-11-11 Timothy Wall <twall@alum.mit.edu>
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* ti.h: Move arch-specific stuff from here...
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287
include/coff/or32.h
Normal file
287
include/coff/or32.h
Normal file
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@ -0,0 +1,287 @@
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/* COFF specification for OpenRISC 1000.
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Copyright (C) 1993-2000, 2002 Free Software Foundation, Inc.
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Contributed by David Wood @ New York University.
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Modified by Johan Rydberg, <johan.rydberg@netinsight.se>
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef OR32
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# define OR32
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#endif
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/* File Header and related definitions. */
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struct external_filehdr
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{
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char f_magic[2]; /* magic number */
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char f_nscns[2]; /* number of sections */
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char f_timdat[4]; /* time & date stamp */
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char f_symptr[4]; /* file pointer to symtab */
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char f_nsyms[4]; /* number of symtab entries */
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char f_opthdr[2]; /* sizeof(optional hdr) */
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char f_flags[2]; /* flags */
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};
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#define FILHDR struct external_filehdr
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#define FILHSZ 20
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/* Magic numbers for OpenRISC 1000. As it is know we use the
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numbers for Am29000.
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(AT&T will assign the "real" magic number). */
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#define SIPFBOMAGIC 0572 /* Am29000 (Byte 0 is MSB). */
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#define SIPRBOMAGIC 0573 /* Am29000 (Byte 0 is LSB). */
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#define OR32_MAGIC_BIG SIPFBOMAGIC
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#define OR32_MAGIC_LITTLE SIPRBOMAGIC
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#define OR32BADMAG(x) (((x).f_magic!=OR32_MAGIC_BIG) && \
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((x).f_magic!=OR32_MAGIC_LITTLE))
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#define OMAGIC OR32_MAGIC_BIG
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/* Optional (a.out) header. */
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typedef struct external_aouthdr
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{
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char magic[2]; /* type of file */
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char vstamp[2]; /* version stamp */
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char tsize[4]; /* text size in bytes, padded to FW bdry */
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char dsize[4]; /* initialized data " " */
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char bsize[4]; /* uninitialized data " " */
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char entry[4]; /* entry pt. */
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char text_start[4]; /* base of text used for this file */
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char data_start[4]; /* base of data used for this file */
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} AOUTHDR;
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#define AOUTSZ 28
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#define AOUTHDRSZ 28
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/* aouthdr magic numbers. */
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#define NMAGIC 0410 /* separate i/d executable. */
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#define SHMAGIC 0406 /* NYU/Ultra3 shared data executable
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(writable text). */
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#define _ETEXT "_etext"
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/* Section header and related definitions. */
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struct external_scnhdr
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{
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char s_name[8]; /* section name */
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char s_paddr[4]; /* physical address, aliased s_nlib */
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char s_vaddr[4]; /* virtual address */
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char s_size[4]; /* section size */
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char s_scnptr[4]; /* file ptr to raw data for section */
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char s_relptr[4]; /* file ptr to relocation */
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char s_lnnoptr[4]; /* file ptr to line numbers */
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char s_nreloc[2]; /* number of relocation entries */
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char s_nlnno[2]; /* number of line number entries */
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char s_flags[4]; /* flags */
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};
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#define SCNHDR struct external_scnhdr
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#define SCNHSZ 40
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/* Names of "special" sections: */
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#define _TEXT ".text"
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#define _DATA ".data"
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#define _BSS ".bss"
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#define _LIT ".lit"
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/* Section types - with additional section type for global
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registers which will be relocatable for the OpenRISC 1000.
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In instances where it is necessary for a linker to produce an
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output file which contains text or data not based at virtual
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address 0, e.g. for a ROM, then the linker should accept
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address base information as command input and use PAD sections
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to skip over unused addresses. */
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#define STYP_BSSREG 0x1200 /* Global register area (like STYP_INFO) */
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#define STYP_ENVIR 0x2200 /* Environment (like STYP_INFO) */
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#define STYP_ABS 0x4000 /* Absolute (allocated, not reloc, loaded) */
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/* Relocation information declaration and related definitions: */
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struct external_reloc
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{
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char r_vaddr[4]; /* (virtual) address of reference */
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char r_symndx[4]; /* index into symbol table */
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char r_type[2]; /* relocation type */
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};
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#define RELOC struct external_reloc
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#define RELSZ 10 /* sizeof (RELOC) */
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/* Relocation types for the OpenRISC 1000: */
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#define R_ABS 0 /* reference is absolute */
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#define R_IREL 030 /* instruction relative (jmp/call) */
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#define R_IABS 031 /* instruction absolute (jmp/call) */
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#define R_ILOHALF 032 /* instruction low half (const) */
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#define R_IHIHALF 033 /* instruction high half (consth) part 1 */
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#define R_IHCONST 034 /* instruction high half (consth) part 2 */
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/* constant offset of R_IHIHALF relocation */
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#define R_BYTE 035 /* relocatable byte value */
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#define R_HWORD 036 /* relocatable halfword value */
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#define R_WORD 037 /* relocatable word value */
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#define R_IGLBLRC 040 /* instruction global register RC */
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#define R_IGLBLRA 041 /* instruction global register RA */
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#define R_IGLBLRB 042 /* instruction global register RB */
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/*
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NOTE:
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All the "I" forms refer to 29000 instruction formats. The linker is
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expected to know how the numeric information is split and/or aligned
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within the instruction word(s). R_BYTE works for instructions, too.
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If the parameter to a CONSTH instruction is a relocatable type, two
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relocation records are written. The first has an r_type of R_IHIHALF
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(33 octal) and a normal r_vaddr and r_symndx. The second relocation
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record has an r_type of R_IHCONST (34 octal), a normal r_vaddr (which
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is redundant), and an r_symndx containing the 32-bit constant offset
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to the relocation instead of the actual symbol table index. This
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second record is always written, even if the constant offset is zero.
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The constant fields of the instruction are set to zero. */
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/* Line number entry declaration and related definitions: */
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struct external_lineno
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{
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union
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{
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char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/
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char l_paddr[4]; /* (physical) address of line number */
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}
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l_addr;
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char l_lnno[2]; /* line number */
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};
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#define LINENO struct external_lineno
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#define LINESZ 6 /* sizeof (LINENO) */
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/* Symbol entry declaration and related definitions: */
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#define E_SYMNMLEN 8 /* Number of characters in a symbol name */
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struct external_syment
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{
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union
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{
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char e_name[E_SYMNMLEN];
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struct
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{
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char e_zeroes[4];
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char e_offset[4];
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}
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e;
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}
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e;
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char e_value[4];
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char e_scnum[2];
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char e_type[2];
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char e_sclass[1];
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char e_numaux[1];
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};
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#define SYMENT struct external_syment
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#define SYMESZ 18
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/* Storage class definitions - new classes for global registers: */
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#define C_GLBLREG 19 /* global register */
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#define C_EXTREG 20 /* external global register */
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#define C_DEFREG 21 /* ext. def. of global register */
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/* Derived symbol mask/shifts: */
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#define N_BTMASK (0xf)
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#define N_BTSHFT (4)
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#define N_TMASK (0x30)
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#define N_TSHIFT (2)
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/* Auxiliary symbol table entry declaration and related
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definitions. */
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#define E_FILNMLEN 14 /* # characters in a file name */
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#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
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union external_auxent
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{
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struct
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{
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char x_tagndx[4]; /* str, un, or enum tag indx */
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union
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{
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struct
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{
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char x_lnno[2]; /* declaration line number */
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char x_size[2]; /* str/union/array size */
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}
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x_lnsz;
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char x_fsize[4]; /* size of function */
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}
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x_misc;
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union
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{
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struct /* if ISFCN, tag, or .bb */
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{
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char x_lnnoptr[4]; /* ptr to fcn line # */
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char x_endndx[4]; /* entry ndx past block end */
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}
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x_fcn;
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struct /* if ISARY, up to 4 dimen. */
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{
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char x_dimen[E_DIMNUM][2];
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}
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x_ary;
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}
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x_fcnary;
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char x_tvndx[2]; /* tv index */
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}
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x_sym;
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union
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{
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char x_fname[E_FILNMLEN];
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struct
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{
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char x_zeroes[4];
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char x_offset[4];
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}
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x_n;
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}
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x_file;
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struct
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{
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char x_scnlen[4]; /* section length */
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char x_nreloc[2]; /* # relocation entries */
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char x_nlinno[2]; /* # line numbers */
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}
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x_scn;
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struct
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{
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char x_tvfill[4]; /* tv fill value */
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char x_tvlen[2]; /* length of .tv */
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char x_tvran[2][2]; /* tv range */
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}
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x_tv; /* info about .tv section
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(in auxent of symbol .tv)) */
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};
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#define AUXENT union external_auxent
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#define AUXESZ 18
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@ -1,6 +1,6 @@
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/* Interface between the opcode library and its callers.
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|
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Copyright 2001 Free Software Foundation, Inc.
|
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Copyright 2001, 2002 Free Software Foundation, Inc.
|
||||
|
||||
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
|
||||
|
|
@ -212,6 +212,8 @@ extern int print_insn_mn10200 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_mn10300 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_ns32k PARAMS ((bfd_vma, disassemble_info*));
|
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extern int print_insn_openrisc PARAMS ((bfd_vma, disassemble_info*));
|
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extern int print_insn_big_or32 PARAMS ((bfd_vma, disassemble_info*));
|
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extern int print_insn_little_or32 PARAMS ((bfd_vma, disassemble_info*));
|
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extern int print_insn_pdp11 PARAMS ((bfd_vma, disassemble_info*));
|
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extern int print_insn_pj PARAMS ((bfd_vma, disassemble_info*));
|
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extern int print_insn_big_powerpc PARAMS ((bfd_vma, disassemble_info*));
|
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|
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|
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@ -1,7 +1,20 @@
|
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2002-01-31 Ivan Guzvinec <ivang@opencores.org>
|
||||
|
||||
* or32.h: New file.
|
||||
* common.h: Add support for or32 targets.
|
||||
|
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2002-01-28 Jason Merrill <jason@redhat.com>
|
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|
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* dwarf2.h: Sync with gcc version.
|
||||
|
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2002-01-16 Alan Modra <amodra@bigpond.net.au>
|
||||
|
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* ppc.h (DT_PPC64_GLINK): Define.
|
||||
|
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2002-01-15 Richard Earnshaw <rearnsha@arm.com>
|
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|
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* arm.h (F_VFP_FLOAT, EF_ARM_VFP_FLOAT): Define.
|
||||
|
||||
2002-01-09 Jason Thorpe <thorpej@wasabisystems.com>
|
||||
|
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* common.h: Update copyright years.
|
||||
|
|
@ -24,6 +37,10 @@
|
|||
unsigned int.
|
||||
* common.h (SHN_BAD): Define.
|
||||
|
||||
2001-12-13 Jakub Jelinek <jakub@redhat.com>
|
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|
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* elf/common.h (PT_GNU_EH_FRAME): Define.
|
||||
|
||||
2001-12-11 Alan Modra <amodra@bigpond.net.au>
|
||||
|
||||
* common.h (SHN_XINDEX): Comment typo fix.
|
||||
|
|
@ -90,7 +107,7 @@
|
|||
(E_H8_MACH_H8300, E_H8_MACH_H8300H, E_H8_MACH_H8300S): New
|
||||
machine types.
|
||||
|
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Tue Aug 26 23:32:34 2001 J"orn Rennecke <amylaar@redhat.com>
|
||||
2001-08-26 J"orn Rennecke <amylaar@redhat.com>
|
||||
|
||||
* h8.h: New file.
|
||||
|
||||
|
|
@ -118,6 +135,11 @@ Tue Aug 26 23:32:34 2001 J"orn Rennecke <amylaar@redhat.com>
|
|||
* common.h: Remove definition of EM_MIPS_RS4_BE. The constant was
|
||||
never in active use and is used otherwise by the ABI.
|
||||
|
||||
2001-05-11 Jakub Jelinek <jakub@redhat.com>
|
||||
|
||||
* ia64.h (ELF_STRING_ia64_unwind_once): Define.
|
||||
(ELF_STRING_ia64_unwind_info_once): Define.
|
||||
|
||||
2001-05-07 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
|
||||
|
||||
* external.h: Fix typo.
|
||||
|
|
@ -390,8 +412,8 @@ Tue Aug 26 23:32:34 2001 J"orn Rennecke <amylaar@redhat.com>
|
|||
(ELFOSABI_MODESTO): Defined.
|
||||
(ELFOSABI_OPENBSD): Likewise.
|
||||
|
||||
Fri Apr 21 13:20:53 2000 Richard Henderson <rth@cygnus.com>
|
||||
David Mosberger <davidm@hpl.hp.com>
|
||||
2000-04-21 Richard Henderson <rth@cygnus.com>
|
||||
David Mosberger <davidm@hpl.hp.com>
|
||||
|
||||
* ia64.h: New file.
|
||||
|
||||
|
|
@ -425,7 +447,7 @@ Fri Apr 21 13:20:53 2000 Richard Henderson <rth@cygnus.com>
|
|||
(PF_ARM_PI): Define.
|
||||
(PF_ARM_ABS): Define.
|
||||
|
||||
Wed Apr 5 22:08:59 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
|
||||
2000-04-05 J"orn Rennecke <amylaar@cygnus.co.uk>
|
||||
|
||||
* sh.h (R_SH_LOOP_START, R_SH_LOOP_END): New RELOC_NUMBERs.
|
||||
|
||||
|
|
@ -454,7 +476,7 @@ Wed Apr 5 22:08:59 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
|
|||
|
||||
* common.h (ELFOSABI_LINUX): Define.
|
||||
|
||||
Thu Feb 17 00:18:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
|
||||
2000-02-17 J"orn Rennecke <amylaar@cygnus.co.uk>
|
||||
|
||||
* sh.h: (EF_SH_MACH_MASK, EF_SH_UNKNOWN, EF_SH1, EF_SH2): New macros.
|
||||
(EF_SH3, EF_SH_HAS_DSP, EF_SH_DSP, EF_SH3_DSP): Likewise.
|
||||
|
|
|
|||
|
|
@ -199,6 +199,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
/* Old version of PowerPC, this should be removed shortly. */
|
||||
#define EM_PPC_OLD 17
|
||||
|
||||
/* (Depreciated) Temporary number for the OpenRISC processor. */
|
||||
#define EM_OR32 0x8472
|
||||
|
||||
/* Cygnus M32R ELF backend. Written in the absence of an ABI. */
|
||||
#define EM_CYGNUS_M32R 0x9041
|
||||
|
||||
|
|
|
|||
62
include/elf/or32.h
Normal file
62
include/elf/or32.h
Normal file
|
|
@ -0,0 +1,62 @@
|
|||
/* OR1K ELF support for BFD. Derived from ppc.h.
|
||||
Copyright (C) 2002 Free Software Foundation, Inc.
|
||||
Contributed by Ivan Guzvinec <ivang@opencores.org>
|
||||
|
||||
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_OR1K_H
|
||||
#define _ELF_OR1K_H
|
||||
|
||||
#include "elf/reloc-macros.h"
|
||||
|
||||
/* Relocations. */
|
||||
START_RELOC_NUMBERS (elf_or32_reloc_type)
|
||||
RELOC_NUMBER (R_OR32_NONE, 0)
|
||||
RELOC_NUMBER (R_OR32_32, 1)
|
||||
RELOC_NUMBER (R_OR32_16, 2)
|
||||
RELOC_NUMBER (R_OR32_8, 3)
|
||||
RELOC_NUMBER (R_OR32_CONST, 4)
|
||||
RELOC_NUMBER (R_OR32_CONSTH, 5)
|
||||
RELOC_NUMBER (R_OR32_JUMPTARG, 6)
|
||||
RELOC_NUMBER (R_OR32_GNU_VTENTRY, 7)
|
||||
RELOC_NUMBER (R_OR32_GNU_VTINHERIT, 8)
|
||||
END_RELOC_NUMBERS (R_OR32_max)
|
||||
|
||||
/* Four bit OR32 machine type field. */
|
||||
#define EF_OR32_MACH 0x0000000f
|
||||
|
||||
/* Various CPU types. */
|
||||
#define E_OR32_MACH_BASE 0x00000000
|
||||
#define E_OR32_MACH_UNUSED1 0x00000001
|
||||
#define E_OR32_MACH_UNUSED2 0x00000002
|
||||
#define E_OR32_MACH_UNUSED4 0x00000003
|
||||
|
||||
/* Processor specific section headers, sh_type field */
|
||||
#define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \
|
||||
entries in this section \
|
||||
based on the address \
|
||||
specified in the associated \
|
||||
symbol table entry. */
|
||||
|
||||
/* Processor specific section flags, sh_flags field */
|
||||
#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \
|
||||
this section from executable \
|
||||
and shared objects that it \
|
||||
builds when those objects \
|
||||
are not to be furhter \
|
||||
relocated. */
|
||||
#endif /* _ELF_OR1K_H */
|
||||
|
|
@ -1,3 +1,7 @@
|
|||
2002-01-31 Ivan Guzvinec <ivang@opencores.org>
|
||||
|
||||
* or32.h: New file.
|
||||
|
||||
2002-01-22 Graydon Hoare <graydon@redhat.com>
|
||||
|
||||
* cgen.h (CGEN_MAYBE_MULTI_IFLD): New structure.
|
||||
|
|
@ -118,11 +122,26 @@ Mon Dec 31 16:45:41 2001 Jeffrey A Law (law@cygnus.com)
|
|||
|
||||
* ppc.h: Revert 2001-08-08.
|
||||
|
||||
2001-08-10 Richard Sandiford <rsandifo@redhat.com>
|
||||
|
||||
* mips.h (INSN_GP32): Remove.
|
||||
(OPCODE_IS_MEMBER): Remove gp32 parameter.
|
||||
(M_MOVE): New macro identifier.
|
||||
|
||||
2001-08-08 Alan Modra <amodra@one.net.au>
|
||||
|
||||
1999-10-25 Torbjorn Granlund <tege@swox.com>
|
||||
* ppc.h (struct powerpc_operand): New field `reloc'.
|
||||
|
||||
2001-08-01 Aldy Hernandez <aldyh@redhat.com>
|
||||
|
||||
* mips.h (INSN_ISA_MASK): Nuke bits 12-15.
|
||||
|
||||
2001-07-12 Jeff Johnston <jjohnstn@redhat.com>
|
||||
|
||||
* cgen.h (CGEN_INSN): Add regex support.
|
||||
(build_insn_regex): Declare.
|
||||
|
||||
2001-07-11 Frank Ch. Eigler <fche@redhat.com>
|
||||
|
||||
* cgen.h (CGEN_MACH): Add insn_chunk_bitsize field.
|
||||
|
|
|
|||
188
include/opcode/or32.h
Normal file
188
include/opcode/or32.h
Normal file
|
|
@ -0,0 +1,188 @@
|
|||
/* Table of opcodes for the OpenRISC 1000 ISA.
|
||||
Copyright 2002 Free Software Foundation, Inc.
|
||||
Contributed by Damjan Lampret (lampret@opencores.org).
|
||||
|
||||
This file is part of or1k_gen_isa, or1ksim, GDB and GAS.
|
||||
|
||||
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. */
|
||||
|
||||
/* We treat all letters the same in encode/decode routines so
|
||||
we need to assign some characteristics to them like signess etc. */
|
||||
|
||||
#ifndef OR32_H_ISA
|
||||
#define OR32_H_ISA
|
||||
|
||||
#define NUM_UNSIGNED (0)
|
||||
#define NUM_SIGNED (1)
|
||||
|
||||
#ifndef PARAMS
|
||||
#define PARAMS(x) x
|
||||
#endif
|
||||
|
||||
#ifndef CONST
|
||||
#define CONST const
|
||||
#endif
|
||||
|
||||
#define MAX_GPRS 32
|
||||
#define PAGE_SIZE 4096
|
||||
#undef __HALF_WORD_INSN__
|
||||
|
||||
#define OPERAND_DELIM (',')
|
||||
|
||||
#define OR32_IF_DELAY (1)
|
||||
#define OR32_W_FLAG (2)
|
||||
#define OR32_R_FLAG (4)
|
||||
|
||||
struct or32_letter
|
||||
{
|
||||
char letter;
|
||||
int sign;
|
||||
/* int reloc; relocation per letter ?? */
|
||||
};
|
||||
|
||||
/* Main instruction specification array. */
|
||||
struct or32_opcode
|
||||
{
|
||||
/* Name of the instruction. */
|
||||
char *name;
|
||||
|
||||
/* A string of characters which describe the operands.
|
||||
Valid characters are:
|
||||
,() Itself. Characters appears in the assembly code.
|
||||
rA Register operand.
|
||||
rB Register operand.
|
||||
rD Register operand.
|
||||
I An immediate operand, range -32768 to 32767.
|
||||
J An immediate operand, range . (unused)
|
||||
K An immediate operand, range 0 to 65535.
|
||||
L An immediate operand, range 0 to 63.
|
||||
M An immediate operand, range . (unused)
|
||||
N An immediate operand, range -33554432 to 33554431.
|
||||
O An immediate operand, range . (unused). */
|
||||
char *args;
|
||||
|
||||
/* Opcode and operand encoding. */
|
||||
char *encoding;
|
||||
void (*exec) PARAMS ((void));
|
||||
unsigned int flags;
|
||||
};
|
||||
|
||||
#define OPTYPE_LAST (0x80000000)
|
||||
#define OPTYPE_OP (0x40000000)
|
||||
#define OPTYPE_REG (0x20000000)
|
||||
#define OPTYPE_SIG (0x10000000)
|
||||
#define OPTYPE_DIS (0x08000000)
|
||||
#define OPTYPE_DST (0x04000000)
|
||||
#define OPTYPE_SBIT (0x00001F00)
|
||||
#define OPTYPE_SHR (0x0000001F)
|
||||
#define OPTYPE_SBIT_SHR (8)
|
||||
|
||||
/* MM: Data how to decode operands. */
|
||||
extern struct insn_op_struct
|
||||
{
|
||||
unsigned long type;
|
||||
unsigned long data;
|
||||
} **op_start;
|
||||
|
||||
#ifdef HAS_EXECUTION
|
||||
extern void l_invalid PARAMS ((void));
|
||||
extern void l_sfne PARAMS ((void));
|
||||
extern void l_bf PARAMS ((void));
|
||||
extern void l_add PARAMS ((void));
|
||||
extern void l_sw PARAMS ((void));
|
||||
extern void l_sb PARAMS ((void));
|
||||
extern void l_sh PARAMS ((void));
|
||||
extern void l_lwz PARAMS ((void));
|
||||
extern void l_lbs PARAMS ((void));
|
||||
extern void l_lbz PARAMS ((void));
|
||||
extern void l_lhs PARAMS ((void));
|
||||
extern void l_lhz PARAMS ((void));
|
||||
extern void l_movhi PARAMS ((void));
|
||||
extern void l_and PARAMS ((void));
|
||||
extern void l_or PARAMS ((void));
|
||||
extern void l_xor PARAMS ((void));
|
||||
extern void l_sub PARAMS ((void));
|
||||
extern void l_mul PARAMS ((void));
|
||||
extern void l_div PARAMS ((void));
|
||||
extern void l_divu PARAMS ((void));
|
||||
extern void l_sll PARAMS ((void));
|
||||
extern void l_sra PARAMS ((void));
|
||||
extern void l_srl PARAMS ((void));
|
||||
extern void l_j PARAMS ((void));
|
||||
extern void l_jal PARAMS ((void));
|
||||
extern void l_jalr PARAMS ((void));
|
||||
extern void l_jr PARAMS ((void));
|
||||
extern void l_rfe PARAMS ((void));
|
||||
extern void l_nop PARAMS ((void));
|
||||
extern void l_bnf PARAMS ((void));
|
||||
extern void l_sfeq PARAMS ((void));
|
||||
extern void l_sfgts PARAMS ((void));
|
||||
extern void l_sfges PARAMS ((void));
|
||||
extern void l_sflts PARAMS ((void));
|
||||
extern void l_sfles PARAMS ((void));
|
||||
extern void l_sfgtu PARAMS ((void));
|
||||
extern void l_sfgeu PARAMS ((void));
|
||||
extern void l_sfltu PARAMS ((void));
|
||||
extern void l_sfleu PARAMS ((void));
|
||||
extern void l_mtspr PARAMS ((void));
|
||||
extern void l_mfspr PARAMS ((void));
|
||||
extern void l_sys PARAMS ((void));
|
||||
extern void l_trap PARAMS ((void)); /* CZ 21/06/01. */
|
||||
extern void l_macrc PARAMS ((void));
|
||||
extern void l_mac PARAMS ((void));
|
||||
extern void l_msb PARAMS ((void));
|
||||
extern void l_invalid PARAMS ((void));
|
||||
extern void l_cust1 PARAMS ((void));
|
||||
extern void l_cust2 PARAMS ((void));
|
||||
extern void l_cust3 PARAMS ((void));
|
||||
extern void l_cust4 PARAMS ((void));
|
||||
#endif
|
||||
extern void l_none PARAMS ((void));
|
||||
|
||||
extern const struct or32_letter or32_letters[];
|
||||
|
||||
extern const struct or32_opcode or32_opcodes[];
|
||||
|
||||
extern const unsigned int or32_num_opcodes;
|
||||
|
||||
/* Calculates instruction length in bytes. Always 4 for OR32. */
|
||||
extern int insn_len PARAMS ((int));
|
||||
|
||||
/* Is individual insn's operand signed or unsigned? */
|
||||
extern int letter_signed PARAMS ((char));
|
||||
|
||||
/* Number of letters in the individual lettered operand. */
|
||||
extern int letter_range PARAMS ((char));
|
||||
|
||||
/* MM: Returns index of given instruction name. */
|
||||
extern int insn_index PARAMS ((char *));
|
||||
|
||||
/* MM: Returns instruction name from index. */
|
||||
extern const char *insn_name PARAMS ((int));
|
||||
|
||||
/* MM: Constructs new FSM, based on or32_opcodes. */
|
||||
extern void build_automata PARAMS ((void));
|
||||
|
||||
/* MM: Destructs FSM. */
|
||||
extern void destruct_automata PARAMS ((void));
|
||||
|
||||
/* MM: Decodes instruction using FSM. Call build_automata first. */
|
||||
extern int insn_decode PARAMS ((unsigned int));
|
||||
|
||||
/* Disassemble one instruction from insn to disassemble.
|
||||
Return the size of the instruction. */
|
||||
int disassemble_insn PARAMS ((unsigned long));
|
||||
|
||||
#endif
|
||||
Loading…
Reference in a new issue