| 1 | |
| 2 | * Format of an instruction in memory.
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| 3 | *
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| 4 | * This file is subject to the terms and conditions of the GNU General Public
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| 5 | * License. See the file "COPYING" in the main directory of this archive
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| 6 | * for more details.
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| 7 | *
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| 8 | * Copyright (C) 1996, 2000 by Ralf Baechle
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| 9 | * Copyright (C) 2006 by Thiemo Seufer
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| 10 |
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| 11 | #ifndef _ASM_INST_H
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| 12 | #define _ASM_INST_H
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| 13 |
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| 14 | #include <uapi/asm/inst.h>
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| 15 |
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| 16 |
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| 17 |
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| 18 |
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| 19 |
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| 20 | #define MIPSInst(x) x
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| 21 |
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| 22 | #define I_OPCODE_SFT 26
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| 23 | #define MIPSInst_OPCODE(x) (MIPSInst(x) >> I_OPCODE_SFT)
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| 24 |
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| 25 | #define I_JTARGET_SFT 0
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| 26 | #define MIPSInst_JTARGET(x) (MIPSInst(x) & 0x03ffffff)
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| 27 |
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| 28 | #define I_RS_SFT 21
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| 29 | #define MIPSInst_RS(x) ((MIPSInst(x) & 0x03e00000) >> I_RS_SFT)
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| 30 |
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| 31 | #define I_RT_SFT 16
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| 32 | #define MIPSInst_RT(x) ((MIPSInst(x) & 0x001f0000) >> I_RT_SFT)
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| 33 |
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| 34 | #define I_IMM_SFT 0
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| 35 | #define MIPSInst_SIMM(x) ((int)((short)(MIPSInst(x) & 0xffff)))
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| 36 | #define MIPSInst_UIMM(x) (MIPSInst(x) & 0xffff)
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| 37 |
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| 38 | #define I_CACHEOP_SFT 18
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| 39 | #define MIPSInst_CACHEOP(x) ((MIPSInst(x) & 0x001c0000) >> I_CACHEOP_SFT)
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| 40 |
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| 41 | #define I_CACHESEL_SFT 16
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| 42 | #define MIPSInst_CACHESEL(x) ((MIPSInst(x) & 0x00030000) >> I_CACHESEL_SFT)
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| 43 |
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| 44 | #define I_RD_SFT 11
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| 45 | #define MIPSInst_RD(x) ((MIPSInst(x) & 0x0000f800) >> I_RD_SFT)
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| 46 |
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| 47 | #define I_RE_SFT 6
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| 48 | #define MIPSInst_RE(x) ((MIPSInst(x) & 0x000007c0) >> I_RE_SFT)
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| 49 |
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| 50 | #define I_FUNC_SFT 0
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| 51 | #define MIPSInst_FUNC(x) (MIPSInst(x) & 0x0000003f)
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| 52 |
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| 53 | #define I_FFMT_SFT 21
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| 54 | #define MIPSInst_FFMT(x) ((MIPSInst(x) & 0x01e00000) >> I_FFMT_SFT)
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| 55 |
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| 56 | #define I_FT_SFT 16
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| 57 | #define MIPSInst_FT(x) ((MIPSInst(x) & 0x001f0000) >> I_FT_SFT)
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| 58 |
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| 59 | #define I_FS_SFT 11
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| 60 | #define MIPSInst_FS(x) ((MIPSInst(x) & 0x0000f800) >> I_FS_SFT)
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| 61 |
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| 62 | #define I_FD_SFT 6
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| 63 | #define MIPSInst_FD(x) ((MIPSInst(x) & 0x000007c0) >> I_FD_SFT)
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| 64 |
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| 65 | #define I_FR_SFT 21
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| 66 | #define MIPSInst_FR(x) ((MIPSInst(x) & 0x03e00000) >> I_FR_SFT)
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| 67 |
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| 68 | #define I_FMA_FUNC_SFT 3
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| 69 | #define MIPSInst_FMA_FUNC(x) ((MIPSInst(x) & 0x00000038) >> I_FMA_FUNC_SFT)
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| 70 |
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| 71 | #define I_FMA_FFMT_SFT 0
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| 72 | #define MIPSInst_FMA_FFMT(x) (MIPSInst(x) & 0x00000007)
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| 73 |
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| 74 | typedef unsigned int mips_instruction;
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| 75 |
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| 76 |
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| 77 | struct mm_decoded_insn {
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| 78 | mips_instruction insn;
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| 79 | mips_instruction next_insn;
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| 80 | int pc_inc;
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| 81 | int next_pc_inc;
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| 82 | int micro_mips_mode;
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| 83 | };
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| 84 |
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| 85 |
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| 86 | extern const int reg16to32[];
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| 87 |
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| 88 | #endif
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