508 lines
13 KiB
C
508 lines
13 KiB
C
/* score-inst.h -- Score Instructions Table
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Copyright 2006 Free Software Foundation, Inc.
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Contributed by:
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Mei Ligang (ligang@sunnorth.com.cn)
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Pei-Lin Tsai (pltsai@sunplus.com)
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This file is part of GAS, the GNU Assembler.
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GAS 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, or (at your option)
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any later version.
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GAS 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 GAS; see the file COPYING. If not, write to the Free
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Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef SCORE_INST_H
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#define SCORE_INST_H
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#define LDST_UNALIGN_MASK 0x0000007f
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#define UA_LCB 0x00000060
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#define UA_LCW 0x00000062
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#define UA_LCE 0x00000066
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#define UA_SCB 0x00000068
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#define UA_SCW 0x0000006a
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#define UA_SCE 0x0000006e
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#define UA_LL 0x0000000c
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#define UA_SC 0x0000000e
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#define LDST16_RR_MASK 0x0000000f
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#define N16_LW 8
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#define N16_LH 9
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#define N16_POP 10
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#define N16_LBU 11
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#define N16_SW 12
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#define N16_SH 13
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#define N16_PUSH 14
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#define N16_SB 15
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#define LDST16_RI_MASK 0x7007
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#define N16_LWP 0x7000
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#define N16_LHP 0x7001
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#define N16_LBUP 0x7003
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#define N16_SWP 0x7004
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#define N16_SHP 0x7005
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#define N16_SBP 0x7007
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#define N16_LIU 0x5000
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#define OPC_PSEUDOLDST_MASK 0x00000007
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enum
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{
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INSN_LW = 0,
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INSN_LH = 1,
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INSN_LHU = 2,
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INSN_LB = 3,
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INSN_SW = 4,
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INSN_SH = 5,
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INSN_LBU = 6,
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INSN_SB = 7,
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};
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/* Sub opcdoe opcode. */
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enum
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{
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INSN16_LBU = 11,
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INSN16_LH = 9,
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INSN16_LW = 8,
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INSN16_SB = 15,
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INSN16_SH = 13,
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INSN16_SW = 12,
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};
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enum
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{
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LDST_NOUPDATE = 0,
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LDST_PRE = 1,
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LDST_POST = 2,
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};
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enum score_insn_type
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{
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Rd_I4,
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Rd_I5,
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Rd_rvalueBP_I5,
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Rd_lvalueBP_I5,
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Rd_Rs_I5,
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x_Rs_I5,
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x_I5_x,
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Rd_I8,
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Rd_Rs_I14,
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I15,
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Rd_I16,
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Rd_rvalueRs_SI10,
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Rd_lvalueRs_SI10,
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Rd_rvalueRs_preSI12,
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Rd_rvalueRs_postSI12,
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Rd_lvalueRs_preSI12,
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Rd_lvalueRs_postSI12,
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Rd_Rs_SI14,
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Rd_rvalueRs_SI15,
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Rd_lvalueRs_SI15,
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Rd_SI16,
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PC_DISP8div2,
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PC_DISP11div2,
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PC_DISP19div2,
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PC_DISP24div2,
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Rd_Rs_Rs,
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x_Rs_x,
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x_Rs_Rs,
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Rd_Rs_x,
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Rd_x_Rs,
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Rd_x_x,
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Rd_Rs,
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Rd_HighRs,
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Rd_lvalueRs,
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Rd_rvalueRs,
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Rd_lvalue32Rs,
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Rd_rvalue32Rs,
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x_Rs,
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NO_OPD,
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NO16_OPD,
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OP5_rvalueRs_SI15,
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I5_Rs_Rs_I5_OP5,
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x_rvalueRs_post4,
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Rd_rvalueRs_post4,
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Rd_x_I5,
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Rd_lvalueRs_post4,
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x_lvalueRs_post4,
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Rd_LowRs,
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Rd_Rs_Rs_imm,
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Insn_Type_PCE,
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Insn_Type_SYN,
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Insn_GP,
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Insn_PIC,
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Insn_internal,
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};
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enum score_data_type
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{
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_IMM4 = 0,
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_IMM5,
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_IMM8,
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_IMM14,
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_IMM15,
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_IMM16,
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_SIMM10 = 6,
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_SIMM12,
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_SIMM14,
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_SIMM15,
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_SIMM16,
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_SIMM14_NEG = 11,
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_IMM16_NEG,
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_SIMM16_NEG,
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_IMM20,
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_IMM25,
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_DISP8div2 = 16,
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_DISP11div2,
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_DISP19div2,
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_DISP24div2,
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_VALUE,
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_VALUE_HI16,
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_VALUE_LO16,
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_VALUE_LDST_LO16 = 23,
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_SIMM16_LA,
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_IMM5_RSHIFT_1,
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_IMM5_RSHIFT_2,
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_SIMM16_LA_POS,
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_IMM5_RANGE_8_31,
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_IMM10_RSHIFT_2,
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_GP_IMM15 = 30,
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_GP_IMM14 = 31,
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_SIMM16_pic = 42, /* Index in score_df_range. */
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_IMM16_LO16_pic = 43,
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_IMM16_pic = 44,
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};
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#define REG_TMP 1
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#define OP_REG_TYPE (1 << 6)
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#define OP_IMM_TYPE (1 << 7)
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#define OP_SH_REGD (OP_REG_TYPE |20)
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#define OP_SH_REGS1 (OP_REG_TYPE |15)
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#define OP_SH_REGS2 (OP_REG_TYPE |10)
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#define OP_SH_I (OP_IMM_TYPE | 1)
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#define OP_SH_RI15 (OP_IMM_TYPE | 0)
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#define OP_SH_I12 (OP_IMM_TYPE | 3)
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#define OP_SH_DISP24 (OP_IMM_TYPE | 1)
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#define OP_SH_DISP19_p1 (OP_IMM_TYPE |15)
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#define OP_SH_DISP19_p2 (OP_IMM_TYPE | 1)
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#define OP_SH_I5 (OP_IMM_TYPE |10)
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#define OP_SH_I10 (OP_IMM_TYPE | 5)
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#define OP_SH_COPID (OP_IMM_TYPE | 5)
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#define OP_SH_TRAPI5 (OP_IMM_TYPE |15)
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#define OP_SH_I15 (OP_IMM_TYPE |10)
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#define OP16_SH_REGD (OP_REG_TYPE | 8)
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#define OP16_SH_REGS1 (OP_REG_TYPE | 4)
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#define OP16_SH_I45 (OP_IMM_TYPE | 3)
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#define OP16_SH_I8 (OP_IMM_TYPE | 0)
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#define OP16_SH_DISP8 (OP_IMM_TYPE | 0)
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#define OP16_SH_DISP11 (OP_IMM_TYPE | 1)
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struct datafield_range
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{
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int data_type;
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int bits;
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int range[2];
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};
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struct datafield_range score_df_range[] =
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{
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{_IMM4, 4, {0, (1 << 4) - 1}}, /* ( 0 ~ 15 ) */
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{_IMM5, 5, {0, (1 << 5) - 1}}, /* ( 0 ~ 31 ) */
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{_IMM8, 8, {0, (1 << 8) - 1}}, /* ( 0 ~ 255 ) */
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{_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 16383) */
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{_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */
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{_IMM16, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */
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{_SIMM10, 10, {-(1 << 9), (1 << 9) - 1}}, /* ( -512 ~ 511 ) */
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{_SIMM12, 12, {-(1 << 11), (1 << 11) - 1}}, /* ( -2048 ~ 2047 ) */
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{_SIMM14, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8192 ~ 8191 ) */
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{_SIMM15, 15, {-(1 << 14), (1 << 14) - 1}}, /* (-16384 ~ 16383) */
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{_SIMM16, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
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{_SIMM14_NEG, 14, {-(1 << 13), (1 << 13) - 1}}, /* ( -8191 ~ 8192 ) */
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{_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* (-65535 ~ 0 ) */
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{_SIMM16_NEG, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
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{_IMM20, 20, {0, (1 << 20) - 1}},
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{_IMM25, 25, {0, (1 << 25) - 1}},
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{_DISP8div2, 8, {-(1 << 8), (1 << 8) - 1}}, /* ( -256 ~ 255 ) */
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{_DISP11div2, 11, {0, 0}},
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{_DISP19div2, 19, {-(1 << 19), (1 << 19) - 1}}, /* (-524288 ~ 524287) */
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{_DISP24div2, 24, {0, 0}},
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{_VALUE, 32, {0, ((unsigned int)1 << 31) - 1}},
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{_VALUE_HI16, 16, {0, (1 << 16) - 1}},
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{_VALUE_LO16, 16, {0, (1 << 16) - 1}},
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{_VALUE_LDST_LO16, 16, {0, (1 << 16) - 1}},
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{_SIMM16_LA, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
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{_IMM5_RSHIFT_1, 5, {0, (1 << 6) - 1}}, /* ( 0 ~ 63 ) */
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{_IMM5_RSHIFT_2, 5, {0, (1 << 7) - 1}}, /* ( 0 ~ 127 ) */
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{_SIMM16_LA_POS, 16, {0, (1 << 15) - 1}}, /* ( 0 ~ 32767) */
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{_IMM5_RANGE_8_31, 5, {8, 31}}, /* But for cop0 the valid data : (8 ~ 31). */
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{_IMM10_RSHIFT_2, 10, {-(1 << 11), (1 << 11) - 1}}, /* For ldc#, stc#. */
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{_SIMM10, 10, {0, (1 << 10) - 1}}, /* ( -1024 ~ 1023 ) */
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{_SIMM12, 12, {0, (1 << 12) - 1}}, /* ( -2048 ~ 2047 ) */
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{_SIMM14, 14, {0, (1 << 14) - 1}}, /* ( -8192 ~ 8191 ) */
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{_SIMM15, 15, {0, (1 << 15) - 1}}, /* (-16384 ~ 16383) */
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{_SIMM16, 16, {0, (1 << 16) - 1}}, /* (-65536 ~ 65536) */
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{_SIMM14_NEG, 14, {0, (1 << 16) - 1}}, /* ( -8191 ~ 8192 ) */
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{_IMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
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{_SIMM16_NEG, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
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{_IMM20, 20, {0, (1 << 20) - 1}}, /* (-32768 ~ 32767) */
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{_IMM25, 25, {0, (1 << 25) - 1}}, /* (-32768 ~ 32767) */
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{_GP_IMM15, 15, {0, (1 << 15) - 1}}, /* ( 0 ~ 65535) */
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{_GP_IMM14, 14, {0, (1 << 14) - 1}}, /* ( 0 ~ 65535) */
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{_SIMM16_pic, 16, {-(1 << 15), (1 << 15) - 1}}, /* (-32768 ~ 32767) */
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{_IMM16_LO16_pic, 16, {0, (1 << 16) - 1}}, /* ( 65535 ~ 0 ) */
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{_IMM16_pic, 16, {0, (1 << 16) - 1}}, /* ( 0 ~ 65535) */
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};
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struct shift_bitmask
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{
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int opd_type;
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int opd_num;
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struct datafield_range *df_range;
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int sh[4];
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long fieldbits[4];
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};
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struct shift_bitmask score_sh_bits_map[] =
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{
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{
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Rd_I4, 2, &score_df_range[_IMM4],
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{OP16_SH_REGD, OP16_SH_I45, 0, 0},
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{0xf, 0xf, 0, 0},
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},
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{
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Rd_I5, 2, &score_df_range[_IMM5],
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{OP16_SH_REGD, OP16_SH_I45, 0, 0},
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{0xf, 0x1f, 0, 0},
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},
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{
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Rd_rvalueBP_I5, 2, &score_df_range[_IMM5],
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{OP16_SH_REGD, OP16_SH_I45, 0, 0},
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{0xf, 0x1f, 0, 0},
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},
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{
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Rd_lvalueBP_I5, 2, &score_df_range[_IMM5],
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{OP16_SH_REGD, OP16_SH_I45, 0, 0},
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{0xf, 0x1f, 0, 0},
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},
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{
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Rd_Rs_I5, 3, &score_df_range[_IMM5],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_I5, 0},
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{0x1f, 0x1f, 0x1f, 0},
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},
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{
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x_Rs_I5, 2, &score_df_range[_IMM5],
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{OP_SH_REGS1, OP_SH_I5, 0, 0},
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{0x1f, 0x1f, 0, 0},
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},
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{
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x_I5_x, 1, &score_df_range[_IMM5],
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{OP_SH_TRAPI5, 0, 0, 0},
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{0x1f, 0, 0, 0},
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},
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{
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Rd_I8, 2, &score_df_range[_IMM8],
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{OP16_SH_REGD, OP16_SH_I8, 0, 0},
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{0xf, 0xff, 0, 0},
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},
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{
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Rd_Rs_I14, 3, &score_df_range[_IMM14],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_I, 0},
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{0x1f, 0x1f, 0x3fff, 0},
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},
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{
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I15, 1, &score_df_range[_IMM15],
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{OP_SH_I15, 0, 0, 0},
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{0x7fff, 0, 0, 0},
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},
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{
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Rd_I16, 2, &score_df_range[_IMM16],
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{OP_SH_REGD, OP_SH_I, 0, 0},
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{0x1f, 0xffff, 0, 0},
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},
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{
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Rd_rvalueRs_SI10, 3, &score_df_range[_SIMM10],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_I10, 0},
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{0x1f, 0x1f, 0x3ff, 0},
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},
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{
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Rd_lvalueRs_SI10, 3, &score_df_range[_SIMM10],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_I10, 0},
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{0x1f, 0x1f, 0x3ff, 0},
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},
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{
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Rd_rvalueRs_preSI12, 3, &score_df_range[_SIMM12],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
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{0xf, 0xf, 0xfff, 0},
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},
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{
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Rd_rvalueRs_postSI12, 3, &score_df_range[_SIMM12],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
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{0xf, 0xf, 0xfff, 0},
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},
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{
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Rd_lvalueRs_preSI12, 3, &score_df_range[_SIMM12],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
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{0xf, 0xf, 0xfff, 0},
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},
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{
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Rd_lvalueRs_postSI12, 3, &score_df_range[_SIMM12],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_I12, 0},
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{0xf, 0xf, 0xfff, 0},
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},
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{
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Rd_Rs_SI14, 3, &score_df_range[_SIMM14],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_I, 0},
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{0x1f, 0x1f, 0x3fff, 0},
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},
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{
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Rd_rvalueRs_SI15, 3, &score_df_range[_SIMM15],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_RI15, 0},
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{0x1f, 0x1f, 0x7fff, 0},
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},
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{
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Rd_lvalueRs_SI15, 3, &score_df_range[_SIMM15],
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_RI15, 0},
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{0x1f, 0x1f, 0x7fff, 0},
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},
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{
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Rd_SI16, 2, &score_df_range[_SIMM16],
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{OP_SH_REGD, OP_SH_I, 0, 0},
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{0x1f, 0xffff, 0, 0},
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},
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{
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PC_DISP8div2, 1, &score_df_range[_DISP8div2],
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{OP16_SH_DISP8, 0, 0, 0},
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{0xff, 0, 0, 0},
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},
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{
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PC_DISP11div2, 1, &score_df_range[_DISP11div2],
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{OP16_SH_DISP11, 0, 0, 0},
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{0x7ff, 0, 0, 0},
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},
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{
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PC_DISP19div2, 2, &score_df_range[_DISP19div2],
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{OP_SH_DISP19_p1, OP_SH_DISP19_p2, 0, 0},
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{0x3ff, 0x1ff, 0, 0},
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},
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{
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PC_DISP24div2, 1, &score_df_range[_DISP24div2],
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{OP_SH_DISP24, 0, 0, 0},
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{0xffffff, 0, 0, 0},
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},
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{
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Rd_Rs_Rs, 3, NULL,
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{OP_SH_REGD, OP_SH_REGS1, OP_SH_REGS2, 0},
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{0x1f, 0x1f, 0x1f, 0}
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},
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{
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Rd_Rs_x, 2, NULL,
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{OP_SH_REGD, OP_SH_REGS1, 0, 0},
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{0x1f, 0x1f, 0, 0},
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},
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{
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Rd_x_Rs, 2, NULL,
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{OP_SH_REGD, OP_SH_REGS2, 0, 0},
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{0x1f, 0x1f, 0, 0},
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},
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{
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Rd_x_x, 1, NULL,
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{OP_SH_REGD, 0, 0, 0},
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{0x1f, 0, 0, 0},
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},
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{
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x_Rs_Rs, 2, NULL,
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{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
|