diff options
author | Nick Clifton <nickc@redhat.com> | 2012-05-03 17:12:06 +0400 |
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committer | Nick Clifton <nickc@redhat.com> | 2012-05-03 17:12:06 +0400 |
commit | 1c46670094d3fb8c10bc4663f3efb587c47cb39d (patch) | |
tree | 75eef98edd071943241173e7858282d05883727e | |
parent | 00a76ece10b91c8f6664de0ddd36af596ccac3c8 (diff) |
Add support for Motorola XGATE embedded CPU
-rw-r--r-- | include/ChangeLog | 6 | ||||
-rw-r--r-- | include/dis-asm.h | 1 | ||||
-rw-r--r-- | include/elf/ChangeLog | 4 | ||||
-rw-r--r-- | include/elf/xgate.h | 77 | ||||
-rw-r--r-- | include/opcode/ChangeLog | 4 | ||||
-rw-r--r-- | include/opcode/xgate.h | 120 |
6 files changed, 212 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index e3b178811..7a747a7cc 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +2012-05-03 Sean Keys <skeys@ipdatasys.com> + + * dis-asm.h (print_insn_xgate): Define. + (print_insn_xgate): Ditto. + Added new files for XGATE port. + 2012-05-02 Cary Coutant <ccoutant@google.com> * dwarf2.def: Remove DW_FORM_GNU_ref_index, diff --git a/include/dis-asm.h b/include/dis-asm.h index c9cbfbb32..203b11366 100644 --- a/include/dis-asm.h +++ b/include/dis-asm.h @@ -293,6 +293,7 @@ extern int print_insn_v850 (bfd_vma, disassemble_info *); extern int print_insn_vax (bfd_vma, disassemble_info *); extern int print_insn_w65 (bfd_vma, disassemble_info *); extern int print_insn_xc16x (bfd_vma, disassemble_info *); +extern int print_insn_xgate (bfd_vma, disassemble_info *); extern int print_insn_xstormy16 (bfd_vma, disassemble_info *); extern int print_insn_xtensa (bfd_vma, disassemble_info *); extern int print_insn_z80 (bfd_vma, disassemble_info *); diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index eb6edc55c..ab9b2deae 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,7 @@ +2012-05-03 Sean Keys <skeys@ipdatasys.com> + + * xgate.h: Mininal file to support XGATE relocations. + 2012-04-27 David S. Miller <davem@davemloft.net> * sparc.h: Add new ELF_SPARC_HWCAP_* defines for crypto, diff --git a/include/elf/xgate.h b/include/elf/xgate.h new file mode 100644 index 000000000..33286a8d0 --- /dev/null +++ b/include/elf/xgate.h @@ -0,0 +1,77 @@ +/* XGATE ELF support for BFD. + Copyright 2010, 2011, 2012 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + +#ifndef _ELF_XGATE_H +#define _ELF_XGATE_H + +#include "elf/reloc-macros.h" + +/* Relocation types. */ +START_RELOC_NUMBERS (elf_xgate_reloc_type) + RELOC_NUMBER (R_XGATE_NONE, 0) + RELOC_NUMBER (R_XGATE_8, 1) + RELOC_NUMBER (R_XGATE_PCREL_8, 2) + RELOC_NUMBER (R_XGATE_16, 3) + RELOC_NUMBER (R_XGATE_32, 4) + RELOC_NUMBER (R_XGATE_PCREL_16, 5) + /* These are GNU extensions to enable C++ vtable garbage collection. */ + RELOC_NUMBER (R_XGATE_GNU_VTINHERIT, 6) + RELOC_NUMBER (R_XGATE_GNU_VTENTRY, 7) + + RELOC_NUMBER (R_XGATE_24, 8) + RELOC_NUMBER (R_XGATE_LO16, 9) + RELOC_NUMBER (R_XGATE_GPAGE, 10) + RELOC_NUMBER (R_XGATE_PCREL_9, 11) + RELOC_NUMBER (R_XGATE_PCREL_10, 12) + RELOC_NUMBER (R_XGATE_IMM8_LO, 13) + RELOC_NUMBER (R_XGATE_IMM8_HI, 14) + RELOC_NUMBER (R_XGATE_IMM3, 15) + RELOC_NUMBER (R_XGATE_IMM4, 16) + RELOC_NUMBER (R_XGATE_IMM5, 17) + + /* GNU extension for linker relaxation. + Mark beginning of a jump instruction (any form). */ + RELOC_NUMBER (R_XGATE_RL_JUMP, 18) + + /* Mark beginning of Gcc relaxation group instruction. */ + RELOC_NUMBER (R_XGATE_RL_GROUP, 19) +END_RELOC_NUMBERS (R_XGATE_max) + +/* Processor specific flags for the ELF header e_flags field. */ + +/* ABI identification. */ +#define EF_XGATE_ABI 0x00000000F + +/* Integers are 32-bit long. */ +#define E_XGATE_I32 0x000000001 + +/* Doubles are 64-bit long. */ +#define E_XGATE_F64 0x000000002 + +#define EF_XGATE_MACH_MASK 0xF0 + +#define EF_XGATE_MACH 0x80 /* XGATE microcontroller. */ + +#define E_M68HCS12X_GLOBAL 0x100 + +/* Identify interrupt handlers. This is used by the debugger to + correctly compute the stack frame. */ +#define STO_XGATE_INTERRUPT 0x40 + +#endif diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index d4fb38402..af70340d6 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,3 +1,7 @@ +2012-05-03 Sean Keys <skeys@ipdatasys.com> + + * xgate.h: Header file for XGATE assembler. + 2012-04-27 David S. Miller <davem@davemloft.net> * sparc.h: Document new arg code' )' for crypto RS3 diff --git a/include/opcode/xgate.h b/include/opcode/xgate.h new file mode 100644 index 000000000..c51673342 --- /dev/null +++ b/include/opcode/xgate.h @@ -0,0 +1,120 @@ +/* xgate.h -- Freescale XGATE opcode list + Copyright 2010, 2011, 2012 Free Software Foundation, Inc. + Written by Sean Keys (skeys@ipdatasys.com) + + This file is part of the GNU opcodes library. + + This library 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, or (at your option) + any later version. + + It 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 file; see the file COPYING. If not, write to the + Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef _OPCODE_XGATE_H +#define _OPCODE_XGATE_H + +/* XGATE CCR flag definitions. */ +#define XGATE_N_BIT 0x08 /* XGN - Sign Flag */ +#define XGATE_Z_BIT 0x04 /* XGZ - Zero Flag */ +#define XGATE_V_BIT 0x02 /* XGV - Overflow Flag */ +#define XGATE_C_BIT 0x01 /* XGC - Carry Flag */ + +/* Access Detail Notation + V — Vector fetch: always an aligned word read, lasts for at least one RISC core cycle + P — Program word fetch: always an aligned word read, lasts for at least one RISC core cycle + r — 8-bit data read: lasts for at least one RISC core cycle + R — 16-bit data read: lasts for at least one RISC core cycle + w — 8-bit data write: lasts for at least one RISC core cycle + W — 16-bit data write: lasts for at least one RISC core cycle + A — Alignment cycle: no read or write, lasts for zero or one RISC core cycles + f — Free cycle: no read or write, lasts for one RISC core cycles. */ +#define XGATE_CYCLE_V 0x01 +#define XGATE_CYCLE_P 0x02 +#define XGATE_CYCLE_r 0x04 +#define XGATE_CYCLE_R 0x08 +#define XGATE_CYCLE_w 0x10 +#define XGATE_CYCLE_W 0x20 +#define XGATE_CYCLE_A 0x40 +#define XGATE_CYCLE_f 0x80 + +/* Opcode format abbreviations. */ +#define XG_INH 0x0001 /* Inherent. */ +#define XG_I 0x0002 /* 3-bit immediate address. */ +#define XG_R_I 0x0004 /* Register followed by 4/8-bit immediate value. */ +#define XG_R_R 0x0008 /* Register followed by a register. */ +#define XG_R_R_R 0x0010 /* Register followed by two registers. */ +#define XG_R 0x0020 /* Single register. */ +#define XG_PC 0x0040 /* PC relative 10 or 11 bit. */ +#define XG_R_C 0x0080 /* General register followed by ccr register. */ +#define XG_C_R 0x0100 /* CCR register followed by a general register. */ +#define XG_R_P 0x0200 /* General register followed by pc register. */ +#define XG_R_R_I 0x0400 /* Two general registers followed by an immediate value. */ +#define XG_PCREL 0x0800 /* Immediate value that is relative to the current pc. */ + +/* XGATE operand formats as stored in the XGATE_opcode table. + They are only used by GAS to recognize operands. */ +#define XGATE_OP_INH "" +#define XGATE_OP_TRI "r,r,r" +#define XGATE_OP_DYA "r,r" +#define XGATE_OP_IMM16 "r,if" +#define XGATE_OP_IMM8 "r,i8" +#define XGATE_OP_IMM4 "r,i4" +#define XGATE_OP_IMM3 "i3" +#define XGATE_OP_MON "r" +#define XGATE_OP_MON_R_C "r,c" +#define XGATE_OP_MON_C_R "c,r" +#define XGATE_OP_MON_R_P "r,p" +#define XGATE_OP_IDR "r,r,+" +#define XGATE_OP_IDO5 "r,r,i5" +#define XGATE_OP_REL9 "b9" +#define XGATE_OP_REL10 "ba" +#define XGATE_OP_DYA_MON "=r,r" +/* Macro definitions. */ +#define XGATE_OP_IMM16mADD "r,if; addl addh" +#define XGATE_OP_IMM16mAND "r,if; andl andh" +#define XGATE_OP_IMM16mCPC "r,if; cmpl cpch" +#define XGATE_OP_IMM16mSUB "r,if; subl subh" +#define XGATE_OP_IMM16mLDW "r,if; ldl ldh" + +/* CPU variant identification. */ +#define XGATE_V1 0x1 +#define XGATE_V2 0x2 +#define XGATE_V3 0x4 + +/* Max opcodes per opcode handle. */ +#define MAX_OPCODES 0x05 + +#define MAX_DETECT_CHARS 0x10 + +/* The opcode table definitions. */ +struct xgate_opcode +{ + char * name; /* Op-code name. */ + char * constraints; /* Constraint chars. */ + char * format; /* Bit definitions. */ + unsigned int sh_format; /* Shorthand format mask. */ + unsigned int size; /* Opcode size in bytes. */ + unsigned int bin_opcode; /* Binary opcode with operands masked off. */ + unsigned char cycles_min; /* Minimum cpu cycles needed. */ + unsigned char cycles_max; /* Maximum cpu cycles needed. */ + unsigned char set_flags_mask; /* CCR flags set. */ + unsigned char clr_flags_mask; /* CCR flags cleared. */ + unsigned char chg_flags_mask; /* CCR flags changed. */ + unsigned char arch; /* CPU variant. */ +}; + +/* The opcode table. The table contains all the opcodes (all pages). + You can't rely on the order. */ +extern const struct xgate_opcode xgate_opcodes[]; +extern const int xgate_num_opcodes; + +#endif /* _OPCODE_XGATE_H */ |