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| Current File : //usr/src/contrib/binutils/include/opcode/score-inst.h |
/* score-inst.h -- Score Instructions Table
Copyright 2006 Free Software Foundation, Inc.
Contributed by:
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 2, 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 COPYING. 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_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_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,
};
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,
};
#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)
struct datafield_range
{
int data_type;
int bits;
int range[2];
};
struct datafield_range score_df_range[] =
{
{_IMM4, 4, {0, (1 << 4) - 1}}, /* ( 0 ~ 15 ) */
{_IMM5, 5, {0, (1 << 5) - 1}}, /* ( 0 ~ 31 ) */
{_IMM8, 8, {0, (1 << 8) - 1}}, /* ( 0 ~ 255 ) */
{_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 16383) */
{_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */
{_IMM16, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */
{_SIMM10, 10, {-(1 << 9), (1 << 9) - 1}}, /* ( -512 ~ 511 ) */
{_SIMM12, 12, {-(1 << 11), (1 << 11) - 1}}, /* ( -2048 ~ 2047 ) */
{_SIMM14, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8192 ~ 8191 ) */
{_SIMM15, 15, {-(1 << 14), (1 << 14) - 1}}, /* (-16384 ~ 16383) */
{_SIMM16, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
{_SIMM14_NEG, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8191 ~ 8192 ) */
{_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* (-65535 ~ 0 ) */
{_SIMM16_NEG, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
{_IMM20, 20, {0, (1 << 20) - 1}},
{_IMM25, 25, {0, (1 << 25) - 1}},
{_DISP8div2, 8, {-(1 << 8), (1 << 8) - 1}}, /* ( -256 ~ 255 ) */
{_DISP11div2, 11, {0, 0}},
{_DISP19div2, 19, {-(1 << 19), (1 << 19) - 1}}, /* (-524288 ~ 524287) */
{_DISP24div2, 24, {0, 0}},
{_VALUE, 32, {0, ((unsigned int)1 << 31) - 1}},
{_VALUE_HI16, 16, {0, (1 << 16) - 1}},
{_VALUE_LO16, 16, {0, (1 << 16) - 1}},
{_VALUE_LDST_LO16, 16, {0, (1 << 16) - 1}},
{_SIMM16_LA, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
{_IMM5_RSHIFT_1, 5, {0, (1 << 6) - 1}}, /* ( 0 ~ 63 ) */
{_IMM5_RSHIFT_2, 5, {0, (1 << 7) - 1}}, /* ( 0 ~ 127 ) */
{_SIMM16_LA_POS, 16, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */
{_IMM5_RANGE_8_31, 5, {8, 31}}, /* But for cop0 the valid data : (8 ~ 31). */
{_IMM10_RSHIFT_2, 10, {-(1 << 11), (1 << 11) - 1}}, /* For ldc#, stc#. */
{_SIMM10, 10, {0, (1 << 10) - 1}}, /* ( -1024 ~ 1023 ) */
{_SIMM12, 12, {0, (1 << 12) - 1}}, /* ( -2048 ~ 2047 ) */
{_SIMM14, 14, {0, (1 << 14) - 1}}, /* ( -8192 ~ 8191 ) */
{_SIMM15, 15, {0, (1 << 15) - 1}}, /* (-16384 ~ 16383) */
{_SIMM16, 16, {0, (1 << 16) - 1}}, /* (-65536 ~ 65536) */
{_SIMM14_NEG, 14, {0, (1 << 16) - 1}}, /* ( -8191 ~ 8192 ) */
{_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
{_SIMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
{_IMM20, 20, {0, (1 << 20) - 1}}, /* (-32768 ~ 32767) */
{_IMM25, 25, {0, (1 << 25) - 1}}, /* (-32768 ~ 32767) */
{_GP_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 65535) */
{_GP_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 65535) */
{_SIMM16_pic, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
{_IMM16_LO16_pic, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
{_IMM16_pic, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */
};
struct shift_bitmask
{
int opd_type;
int opd_num;
struct datafield_range *df_range;
int sh[4];
long fieldbits[4];
};
struct shift_bitmask score_sh_bits_map[] =
{
{
Rd_I4, 2, &score_df_range[_IMM4],
{OP16_SH_REGD, OP16_SH_I45, 0, 0},
{0xf, 0xf, 0, 0},
},
{
Rd_I5, 2, &score_df_range[_IMM5],
{OP16_SH_REGD, OP16_SH_I45, 0, 0},
{0xf, 0x1f, 0, 0},
},
{
Rd_rvalueBP_I5, 2, &score_df_range[_IMM5],
{OP16_SH_REGD, OP16_SH_I45, 0, 0},
{0xf, 0x1f, 0, 0},
},
{
Rd_lvalueBP_I5, 2, &score_df_range[_IMM5],
{OP16_SH_REGD, OP16_SH_I45, 0, 0},
{0xf, 0x1f, 0, 0},
},
{
Rd_Rs_I5, 3, &score_df_range[_IMM5],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_I5, 0},
{0x1f, 0x1f, 0x1f, 0},
},
{
x_Rs_I5, 2, &score_df_range[_IMM5],
{OP_SH_REGS1, OP_SH_I5, 0, 0},
{0x1f, 0x1f, 0, 0},
},
{
x_I5_x, 1, &score_df_range[_IMM5],
{OP_SH_TRAPI5, 0, 0, 0},
{0x1f, 0, 0, 0},
},
{
Rd_I8, 2, &score_df_range[_IMM8],
{OP16_SH_REGD, OP16_SH_I8, 0, 0},
{0xf, 0xff, 0, 0},
},
{
Rd_Rs_I14, 3, &score_df_range[_IMM14],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_I, 0},
{0x1f, 0x1f, 0x3fff, 0},
},
{
I15, 1, &score_df_range[_IMM15],
{OP_SH_I15, 0, 0, 0},
{0x7fff, 0, 0, 0},
},
{
Rd_I16, 2, &score_df_range[_IMM16],
{OP_SH_REGD, OP_SH_I, 0, 0},
{0x1f, 0xffff, 0, 0},
},
{
Rd_rvalueRs_SI10, 3, &score_df_range[_SIMM10],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_I10, 0},
{0x1f, 0x1f, 0x3ff, 0},
},
{
Rd_lvalueRs_SI10, 3, &score_df_range[_SIMM10],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_I10, 0},
{0x1f, 0x1f, 0x3ff, 0},
},
{
Rd_rvalueRs_preSI12, 3, &score_df_range[_SIMM12],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
{0xf, 0xf, 0xfff, 0},
},
{
Rd_rvalueRs_postSI12, 3, &score_df_range[_SIMM12],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
{0xf, 0xf, 0xfff, 0},
},
{
Rd_lvalueRs_preSI12, 3, &score_df_range[_SIMM12],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
{0xf, 0xf, 0xfff, 0},
},
{
Rd_lvalueRs_postSI12, 3, &score_df_range[_SIMM12],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
{0xf, 0xf, 0xfff, 0},
},
{
Rd_Rs_SI14, 3, &score_df_range[_SIMM14],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_I, 0},
{0x1f, 0x1f, 0x3fff, 0},
},
{
Rd_rvalueRs_SI15, 3, &score_df_range[_SIMM15],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_RI15, 0},
{0x1f, 0x1f, 0x7fff, 0},
},
{
Rd_lvalueRs_SI15, 3, &score_df_range[_SIMM15],
{OP_SH_REGD, OP_SH_REGS1, OP_SH_RI15, 0},
{0x1f, 0x1f, 0x7fff, 0},
},
{
Rd_SI16, 2, &score_df_range[_SIMM16],
{OP_SH_REGD, OP_SH_I, 0, 0},
{0x1f, 0xffff, 0, 0},
},
{
PC_DISP8div2, 1, &score_df_range[_DISP8div2],
{OP16_SH_DISP8, 0, 0, 0},
{0xff, 0, 0, 0},
},
{
PC_DISP11div2, 1, &score_df_range[_DISP11div2],
{OP16_SH_DISP11, 0, 0, 0},
{0x7ff, 0, 0, 0},
},
{
PC_DISP19div2, 2, &score_df_range[_DISP19div2],
{OP_SH_DISP19_p1, OP_SH_DISP19_p2, 0, 0},
{0x3ff, 0x1ff, 0, 0},
},
{
PC_DISP24div2, 1, &score_df_range[_DISP24div2],
{OP_SH_DISP24, 0, 0, 0},
{0xffffff, 0, 0, 0},
},
{
Rd_Rs_Rs, 3, NULL,
{OP_SH_REGD, OP_SH_REGS1, OP_SH_REGS2, 0},
{0x1f, 0x1f, 0x1f, 0}
},
{
Rd_Rs_x, 2, NULL,
{OP_SH_REGD, OP_SH_REGS1, 0, 0},
{0x1f, 0x1f, 0, 0},
},
{
Rd_x_Rs, 2, NULL,
{OP_SH_REGD, OP_SH_REGS2, 0, 0},
{0x1f, 0x1f, 0, 0},
},
{
Rd_x_x, 1, NULL,
{OP_SH_REGD, 0, 0, 0},
{0x1f, 0, 0, 0},
},
{
x_Rs_Rs, 2, NULL,
{OP_SH_REGS1, OP_SH_REGS2, 0, 0},
{0x1f, 0x1f, 0, 0},
},
{
x_Rs_x, 1, NULL,
{OP_SH_REGS1, 0, 0, 0},
{0x1f, 0, 0, 0},
},
{
Rd_Rs, 2, NULL,
{OP16_SH_REGD, OP16_SH_REGS1, 0, 0},
{0xf, 0xf, 0, 0},
},
{
Rd_HighRs, 2, NULL,
{OP16_SH_REGD, OP16_SH_REGS1, 0, 0},
{0xf, 0xf, 0x1f, 0},
},
{
Rd_rvalueRs, 2, NULL,
{OP16_SH_REGD, OP16_SH_REGS1, 0, 0},
{0xf, 0xf, 0, 0},
},
{
Rd_lvalueRs, 2, NULL,
{OP16_SH_REGD, OP16_SH_REGS1, 0, 0},
{0xf, 0xf, 0, 0}
},
{
Rd_lvalue32Rs, 2, NULL,
{OP_SH_REGD, OP_SH_REGS1, 0, 0},
{0x1f, 0x1f, 0, 0},
},
{
Rd_rvalue32Rs, 2, NULL,
{OP_SH_REGD, OP_SH_REGS1, 0, 0},
{0x1f, 0x1f, 0, 0},
},
{
x_Rs, 1, NULL,
{OP16_SH_REGS1, 0, 0, 0},
{0xf, 0, 0, 0},
},
{
NO_OPD, 0, NULL,
{0, 0, 0, 0},
{0, 0, 0, 0},
},
{
NO16_OPD, 0, NULL,
{0, 0, 0, 0},
{0, 0, 0, 0},
},
};
struct asm_opcode
{
/* Instruction name. */
const char *template;
/* Instruction Opcode. */
unsigned long value;
/* Instruction bit mask. */
unsigned long bitmask;
/* Relax instruction opcode. 0x8000 imply no relaxation. */
unsigned long relax_value;
/* Instruction type. */
enum score_insn_type type;
/* Function to call to parse args. */
void (*parms) (char *);
};
enum insn_class
{
INSN_CLASS_16,
INSN_CLASS_32,
INSN_CLASS_PCE,
INSN_CLASS_SYN
};
#endif