Add support for Motorola XGATE embedded CPU
This commit is contained in:
Nick Clifton
@@ -1,3 +1,9 @@
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2012-05-03 Sean Keys <skeys@ipdatasys.com>
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* dis-asm.h (print_insn_xgate): Define.
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(print_insn_xgate): Ditto.
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Added new files for XGATE port.
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2012-05-02 Cary Coutant <ccoutant@google.com>
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* dwarf2.def: Remove DW_FORM_GNU_ref_index,
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@@ -293,6 +293,7 @@ extern int print_insn_v850 (bfd_vma, disassemble_info *);
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extern int print_insn_vax (bfd_vma, disassemble_info *);
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extern int print_insn_w65 (bfd_vma, disassemble_info *);
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extern int print_insn_xc16x (bfd_vma, disassemble_info *);
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extern int print_insn_xgate (bfd_vma, disassemble_info *);
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extern int print_insn_xstormy16 (bfd_vma, disassemble_info *);
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extern int print_insn_xtensa (bfd_vma, disassemble_info *);
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extern int print_insn_z80 (bfd_vma, disassemble_info *);
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@@ -1,3 +1,7 @@
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2012-05-03 Sean Keys <skeys@ipdatasys.com>
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* xgate.h: Mininal file to support XGATE relocations.
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2012-04-27 David S. Miller <davem@davemloft.net>
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* sparc.h: Add new ELF_SPARC_HWCAP_* defines for crypto,
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77
include/elf/xgate.h
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77
include/elf/xgate.h
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@@ -0,0 +1,77 @@
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/* XGATE ELF support for BFD.
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Copyright 2010, 2011, 2012 Free Software Foundation, Inc.
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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 Foundation,
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _ELF_XGATE_H
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#define _ELF_XGATE_H
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#include "elf/reloc-macros.h"
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/* Relocation types. */
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START_RELOC_NUMBERS (elf_xgate_reloc_type)
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RELOC_NUMBER (R_XGATE_NONE, 0)
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RELOC_NUMBER (R_XGATE_8, 1)
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RELOC_NUMBER (R_XGATE_PCREL_8, 2)
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RELOC_NUMBER (R_XGATE_16, 3)
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RELOC_NUMBER (R_XGATE_32, 4)
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RELOC_NUMBER (R_XGATE_PCREL_16, 5)
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/* These are GNU extensions to enable C++ vtable garbage collection. */
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RELOC_NUMBER (R_XGATE_GNU_VTINHERIT, 6)
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RELOC_NUMBER (R_XGATE_GNU_VTENTRY, 7)
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RELOC_NUMBER (R_XGATE_24, 8)
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RELOC_NUMBER (R_XGATE_LO16, 9)
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RELOC_NUMBER (R_XGATE_GPAGE, 10)
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RELOC_NUMBER (R_XGATE_PCREL_9, 11)
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RELOC_NUMBER (R_XGATE_PCREL_10, 12)
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RELOC_NUMBER (R_XGATE_IMM8_LO, 13)
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RELOC_NUMBER (R_XGATE_IMM8_HI, 14)
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RELOC_NUMBER (R_XGATE_IMM3, 15)
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RELOC_NUMBER (R_XGATE_IMM4, 16)
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RELOC_NUMBER (R_XGATE_IMM5, 17)
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/* GNU extension for linker relaxation.
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Mark beginning of a jump instruction (any form). */
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RELOC_NUMBER (R_XGATE_RL_JUMP, 18)
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/* Mark beginning of Gcc relaxation group instruction. */
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RELOC_NUMBER (R_XGATE_RL_GROUP, 19)
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END_RELOC_NUMBERS (R_XGATE_max)
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/* Processor specific flags for the ELF header e_flags field. */
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/* ABI identification. */
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#define EF_XGATE_ABI 0x00000000F
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/* Integers are 32-bit long. */
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#define E_XGATE_I32 0x000000001
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/* Doubles are 64-bit long. */
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#define E_XGATE_F64 0x000000002
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#define EF_XGATE_MACH_MASK 0xF0
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#define EF_XGATE_MACH 0x80 /* XGATE microcontroller. */
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#define E_M68HCS12X_GLOBAL 0x100
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/* Identify interrupt handlers. This is used by the debugger to
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correctly compute the stack frame. */
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#define STO_XGATE_INTERRUPT 0x40
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#endif
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@@ -1,3 +1,7 @@
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2012-05-03 Sean Keys <skeys@ipdatasys.com>
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* xgate.h: Header file for XGATE assembler.
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2012-04-27 David S. Miller <davem@davemloft.net>
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* sparc.h: Document new arg code' )' for crypto RS3
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120
include/opcode/xgate.h
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120
include/opcode/xgate.h
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@@ -0,0 +1,120 @@
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/* xgate.h -- Freescale XGATE opcode list
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Copyright 2010, 2011, 2012 Free Software Foundation, Inc.
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Written by Sean Keys (skeys@ipdatasys.com)
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This file is part of the GNU opcodes library.
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This library 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 3, or (at your option)
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any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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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 file; see the file COPYING. If not, write to the
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Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef _OPCODE_XGATE_H
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#define _OPCODE_XGATE_H
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/* XGATE CCR flag definitions. */
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#define XGATE_N_BIT 0x08 /* XGN - Sign Flag */
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#define XGATE_Z_BIT 0x04 /* XGZ - Zero Flag */
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#define XGATE_V_BIT 0x02 /* XGV - Overflow Flag */
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#define XGATE_C_BIT 0x01 /* XGC - Carry Flag */
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/* Access Detail Notation
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V — Vector fetch: always an aligned word read, lasts for at least one RISC core cycle
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P — Program word fetch: always an aligned word read, lasts for at least one RISC core cycle
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r — 8-bit data read: lasts for at least one RISC core cycle
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R — 16-bit data read: lasts for at least one RISC core cycle
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w — 8-bit data write: lasts for at least one RISC core cycle
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W — 16-bit data write: lasts for at least one RISC core cycle
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A — Alignment cycle: no read or write, lasts for zero or one RISC core cycles
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f — Free cycle: no read or write, lasts for one RISC core cycles. */
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#define XGATE_CYCLE_V 0x01
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#define XGATE_CYCLE_P 0x02
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#define XGATE_CYCLE_r 0x04
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#define XGATE_CYCLE_R 0x08
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#define XGATE_CYCLE_w 0x10
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#define XGATE_CYCLE_W 0x20
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#define XGATE_CYCLE_A 0x40
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#define XGATE_CYCLE_f 0x80
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/* Opcode format abbreviations. */
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#define XG_INH 0x0001 /* Inherent. */
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#define XG_I 0x0002 /* 3-bit immediate address. */
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#define XG_R_I 0x0004 /* Register followed by 4/8-bit immediate value. */
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#define XG_R_R 0x0008 /* Register followed by a register. */
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#define XG_R_R_R 0x0010 /* Register followed by two registers. */
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#define XG_R 0x0020 /* Single register. */
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#define XG_PC 0x0040 /* PC relative 10 or 11 bit. */
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#define XG_R_C 0x0080 /* General register followed by ccr register. */
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#define XG_C_R 0x0100 /* CCR register followed by a general register. */
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#define XG_R_P 0x0200 /* General register followed by pc register. */
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#define XG_R_R_I 0x0400 /* Two general registers followed by an immediate value. */
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#define XG_PCREL 0x0800 /* Immediate value that is relative to the current pc. */
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/* XGATE operand formats as stored in the XGATE_opcode table.
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They are only used by GAS to recognize operands. */
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#define XGATE_OP_INH ""
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#define XGATE_OP_TRI "r,r,r"
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#define XGATE_OP_DYA "r,r"
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#define XGATE_OP_IMM16 "r,if"
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#define XGATE_OP_IMM8 "r,i8"
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#define XGATE_OP_IMM4 "r,i4"
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#define XGATE_OP_IMM3 "i3"
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#define XGATE_OP_MON "r"
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#define XGATE_OP_MON_R_C "r,c"
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#define XGATE_OP_MON_C_R "c,r"
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#define XGATE_OP_MON_R_P "r,p"
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#define XGATE_OP_IDR "r,r,+"
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#define XGATE_OP_IDO5 "r,r,i5"
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#define XGATE_OP_REL9 "b9"
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#define XGATE_OP_REL10 "ba"
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#define XGATE_OP_DYA_MON "=r,r"
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/* Macro definitions. */
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#define XGATE_OP_IMM16mADD "r,if; addl addh"
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#define XGATE_OP_IMM16mAND "r,if; andl andh"
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#define XGATE_OP_IMM16mCPC "r,if; cmpl cpch"
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#define XGATE_OP_IMM16mSUB "r,if; subl subh"
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#define XGATE_OP_IMM16mLDW "r,if; ldl ldh"
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/* CPU variant identification. */
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#define XGATE_V1 0x1
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#define XGATE_V2 0x2
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#define XGATE_V3 0x4
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/* Max opcodes per opcode handle. */
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#define MAX_OPCODES 0x05
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#define MAX_DETECT_CHARS 0x10
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/* The opcode table definitions. */
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struct xgate_opcode
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{
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char * name; /* Op-code name. */
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char * constraints; /* Constraint chars. */
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char * format; /* Bit definitions. */
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unsigned int sh_format; /* Shorthand format mask. */
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unsigned int size; /* Opcode size in bytes. */
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unsigned int bin_opcode; /* Binary opcode with operands masked off. */
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unsigned char cycles_min; /* Minimum cpu cycles needed. */
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unsigned char cycles_max; /* Maximum cpu cycles needed. */
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unsigned char set_flags_mask; /* CCR flags set. */
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unsigned char clr_flags_mask; /* CCR flags cleared. */
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unsigned char chg_flags_mask; /* CCR flags changed. */
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unsigned char arch; /* CPU variant. */
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};
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/* The opcode table. The table contains all the opcodes (all pages).
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You can't rely on the order. */
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extern const struct xgate_opcode xgate_opcodes[];
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extern const int xgate_num_opcodes;
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#endif /* _OPCODE_XGATE_H */
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