source: trunk/libs/newlib/src/include/opcode/score-inst.h @ 559

/* score-inst.h -- Score Instructions Table
   Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   Contributed by: 
   Brain.lin (brain.lin@sunplusct.com)
   Mei Ligang (ligang@sunnorth.com.cn)
   Pei-Lin Tsai (pltsai@sunplus.com)

   This file is part of GAS, the GNU Assembler.

   GAS 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.

   GAS 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 GAS; see the file COPYING3.  If not, write to the Free
   Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
   02110-1301, USA.  */

#ifndef SCORE_INST_H
#define SCORE_INST_H

#define LDST_UNALIGN_MASK 0x0000007f
#define UA_LCB            0x00000060
#define UA_LCW            0x00000062
#define UA_LCE            0x00000066
#define UA_SCB            0x00000068
#define UA_SCW            0x0000006a
#define UA_SCE            0x0000006e
#define UA_LL             0x0000000c
#define UA_SC             0x0000000e
#define LDST16_RR_MASK   0x0000000f
#define N16_LW           8
#define N16_LH           9
#define N16_POP          10
#define N16_LBU          11
#define N16_SW           12
#define N16_SH           13
#define N16_PUSH         14
#define N16_SB           15
#define LDST16_RI_MASK   0x7007
#define N16_LWP          0x7000
#define N16_LHP          0x7001
#define N16_LBUP         0x7003
#define N16_SWP          0x7004
#define N16_SHP          0x7005
#define N16_SBP          0x7007
#define N16_LIU          0x5000

#define OPC_PSEUDOLDST_MASK     0x00000007

enum
{
  INSN_LW = 0,
  INSN_LH = 1,
  INSN_LHU = 2,
  INSN_LB = 3,
  INSN_SW = 4,
  INSN_SH = 5,
  INSN_LBU = 6,
  INSN_SB = 7,
};

/* Sub opcdoe opcode.  */
enum
{
  INSN16_LBU = 11,
  INSN16_LH = 9,
  INSN16_LW = 8,
  INSN16_SB = 15,
  INSN16_SH = 13,
  INSN16_SW = 12,
};

enum
{
  LDST_NOUPDATE = 0,
  LDST_PRE = 1,
  LDST_POST = 2,
};

enum score_insn_type
{
  Rd_I4,
  Rd_I5,
  Rd_rvalueBP_I5,
  Rd_lvalueBP_I5,
  Rd_Rs_I5,
  x_Rs_I5,
  x_I5_x,
  Rd_I8,
  Rd_Rs_I14,
  I15,
  Rd_I16,
  Rd_I30, 
  Rd_I32, 
  Rd_rvalueRs_SI10,
  Rd_lvalueRs_SI10,
  Rd_rvalueRs_preSI12,
  Rd_rvalueRs_postSI12,
  Rd_lvalueRs_preSI12,
  Rd_lvalueRs_postSI12,
  Rd_Rs_SI14,
  Rd_rvalueRs_SI15,
  Rd_lvalueRs_SI15,
  Rd_SI5,
  Rd_SI6,
  Rd_SI16,
  PC_DISP8div2,
  PC_DISP11div2,
  PC_DISP19div2,
  PC_DISP24div2,
  Rd_Rs_Rs,
  x_Rs_x,
  x_Rs_Rs,
  Rd_Rs_x,
  Rd_x_Rs,
  Rd_x_x,
  Rd_Rs,
  Rd_HighRs,
  Rd_lvalueRs,
  Rd_rvalueRs,
  Rd_lvalue32Rs,
  Rd_rvalue32Rs,
  x_Rs,
  NO_OPD,
  NO16_OPD,
  OP5_rvalueRs_SI15,
  I5_Rs_Rs_I5_OP5,
  x_rvalueRs_post4,
  Rd_rvalueRs_post4,
  Rd_x_I5,
  Rd_lvalueRs_post4,
  x_lvalueRs_post4,
  Rd_LowRs,
  Rd_Rs_Rs_imm,
  Insn_Type_PCE,
  Insn_Type_SYN,
  Insn_GP,
  Insn_PIC,
  Insn_internal,
  Insn_BCMP,
  Ra_I9_I5,
};

enum score_data_type
{
  _IMM4 = 0,
  _IMM5,
  _IMM8,
  _IMM14,
  _IMM15,
  _IMM16,
  _SIMM10 = 6,
  _SIMM12,
  _SIMM14,
  _SIMM15,
  _SIMM16,
  _SIMM14_NEG = 11,
  _IMM16_NEG,
  _SIMM16_NEG,
  _IMM20,
  _IMM25,
  _DISP8div2 = 16,
  _DISP11div2,
  _DISP19div2,
  _DISP24div2,
  _VALUE,
  _VALUE_HI16,
  _VALUE_LO16,
  _VALUE_LDST_LO16 = 23,
  _SIMM16_LA,
  _IMM5_RSHIFT_1,
  _IMM5_RSHIFT_2,
  _SIMM16_LA_POS,
  _IMM5_RANGE_8_31,
  _IMM10_RSHIFT_2,
  _GP_IMM15 = 30,
  _GP_IMM14 = 31,
  _SIMM16_pic = 42,   /* Index in score_df_range.  */
  _IMM16_LO16_pic = 43,
  _IMM16_pic = 44,

  _SIMM5 = 45,
  _SIMM6 = 46,
  _IMM32 = 47,
  _SIMM32 = 48,
  _IMM11 = 49,
  _IMM5_MULTI_LOAD = 50,
};

#define REG_TMP                   1

#define OP_REG_TYPE             (1 << 6)
#define OP_IMM_TYPE             (1 << 7)
#define OP_SH_REGD              (OP_REG_TYPE |20)
#define OP_SH_REGS1             (OP_REG_TYPE |15)
#define OP_SH_REGS2             (OP_REG_TYPE |10)
#define OP_SH_I                 (OP_IMM_TYPE | 1)
#define OP_SH_RI15              (OP_IMM_TYPE | 0)
#define OP_SH_I12               (OP_IMM_TYPE | 3)
#define OP_SH_DISP24            (OP_IMM_TYPE | 1)
#define OP_SH_DISP19_p1         (OP_IMM_TYPE |15)
#define OP_SH_DISP19_p2         (OP_IMM_TYPE | 1)
#define OP_SH_I5                (OP_IMM_TYPE |10)
#define OP_SH_I10               (OP_IMM_TYPE | 5)
#define OP_SH_COPID             (OP_IMM_TYPE | 5)
#define OP_SH_TRAPI5            (OP_IMM_TYPE |15)
#define OP_SH_I15               (OP_IMM_TYPE |10)

#define OP16_SH_REGD            (OP_REG_TYPE | 8)
#define OP16_SH_REGS1           (OP_REG_TYPE | 4)
#define OP16_SH_I45             (OP_IMM_TYPE | 3)
#define OP16_SH_I8              (OP_IMM_TYPE | 0)
#define OP16_SH_DISP8           (OP_IMM_TYPE | 0)
#define OP16_SH_DISP11          (OP_IMM_TYPE | 1)

enum insn_class
{
  INSN_CLASS_16,
  INSN_CLASS_32,
  INSN_CLASS_48,
  INSN_CLASS_PCE,
  INSN_CLASS_SYN
};

/* s3_s7: Globals for both tc-score.c and elf32-score.c.  */
extern int score3;
extern int score7;

#endif