/* Table of opcodes for the OpenRISC 1000 ISA.   Copyright 2002, 2003, 2010 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 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.  */ /* 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) #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) (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_EXECUTIONextern void l_invalid (void);extern void l_sfne    (void);extern void l_bf      (void);extern void l_add     (void);extern void l_sw      (void);extern void l_sb      (void);extern void l_sh      (void);extern void l_lwz     (void);extern void l_lbs     (void);extern void l_lbz     (void);extern void l_lhs     (void);extern void l_lhz     (void);extern void l_movhi   (void);extern void l_and     (void);extern void l_or      (void);extern void l_xor     (void);extern void l_sub     (void);extern void l_mul     (void);extern void l_div     (void);extern void l_divu    (void);extern void l_sll     (void);extern void l_sra     (void);extern void l_srl     (void);extern void l_j       (void);extern void l_jal     (void);extern void l_jalr    (void);extern void l_jr      (void);extern void l_rfe     (void);extern void l_nop     (void);extern void l_bnf     (void);extern void l_sfeq    (void);extern void l_sfgts   (void);extern void l_sfges   (void);extern void l_sflts   (void);extern void l_sfles   (void);extern void l_sfgtu   (void);extern void l_sfgeu   (void);extern void l_sfltu   (void);extern void l_sfleu   (void);extern void l_mtspr   (void);extern void l_mfspr   (void);extern void l_sys     (void);extern void l_trap    (void); /* CZ 21/06/01.  */extern void l_macrc   (void);extern void l_mac     (void);extern void l_msb     (void);extern void l_invalid (void);extern void l_cust1   (void);extern void l_cust2   (void);extern void l_cust3   (void);extern void l_cust4   (void);#endifextern void l_none    (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 (int); /* Is individual insn's operand signed or unsigned?  */extern int letter_signed (char); /* Number of letters in the individual lettered operand.  */extern int letter_range (char); /* MM: Returns index of given instruction name.  */extern int insn_index (char *); /* MM: Returns instruction name from index.  */extern const char *insn_name (int); /* MM: Constructs new FSM, based on or32_opcodes.  */ extern void build_automata (void); /* MM: Destructs FSM.  */ extern void destruct_automata (void); /* MM: Decodes instruction using FSM.  Call build_automata first.  */extern int insn_decode (unsigned int); /* Disassemble one instruction from insn to disassemble.   Return the size of the instruction.  */int disassemble_insn (unsigned long); #endif