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/*
* Format of an instruction in memory.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1996, 2000 by Ralf Baechle
* Copyright (C) 2006 by Thiemo Seufer
*/
#ifndef _ASM_INST_H
#define _ASM_INST_H
#include <uapi/asm/inst.h>
/* HACHACHAHCAHC ... */
/* In case some other massaging is needed, keep MIPSInst as wrapper */
#define MIPSInst(x) x
#define I_OPCODE_SFT 26
#define MIPSInst_OPCODE(x) (MIPSInst(x) >> I_OPCODE_SFT)
#define I_JTARGET_SFT 0
#define MIPSInst_JTARGET(x) (MIPSInst(x) & 0x03ffffff)
#define I_RS_SFT 21
#define MIPSInst_RS(x) ((MIPSInst(x) & 0x03e00000) >> I_RS_SFT)
#define I_RT_SFT 16
#define MIPSInst_RT(x) ((MIPSInst(x) & 0x001f0000) >> I_RT_SFT)
#define I_IMM_SFT 0
#define MIPSInst_SIMM(x) ((int)((short)(MIPSInst(x) & 0xffff)))
#define MIPSInst_UIMM(x) (MIPSInst(x) & 0xffff)
#define I_CACHEOP_SFT 18
#define MIPSInst_CACHEOP(x) ((MIPSInst(x) & 0x001c0000) >> I_CACHEOP_SFT)
#define I_CACHESEL_SFT 16
#define MIPSInst_CACHESEL(x) ((MIPSInst(x) & 0x00030000) >> I_CACHESEL_SFT)
#define I_RD_SFT 11
#define MIPSInst_RD(x) ((MIPSInst(x) & 0x0000f800) >> I_RD_SFT)
#define I_RE_SFT 6
#define MIPSInst_RE(x) ((MIPSInst(x) & 0x000007c0) >> I_RE_SFT)
#define I_FUNC_SFT 0
#define MIPSInst_FUNC(x) (MIPSInst(x) & 0x0000003f)
#define I_FFMT_SFT 21
#define MIPSInst_FFMT(x) ((MIPSInst(x) & 0x01e00000) >> I_FFMT_SFT)
#define I_FT_SFT 16
#define MIPSInst_FT(x) ((MIPSInst(x) & 0x001f0000) >> I_FT_SFT)
#define I_FS_SFT 11
#define MIPSInst_FS(x) ((MIPSInst(x) & 0x0000f800) >> I_FS_SFT)
#define I_FD_SFT 6
#define MIPSInst_FD(x) ((MIPSInst(x) & 0x000007c0) >> I_FD_SFT)
#define I_FR_SFT 21
#define MIPSInst_FR(x) ((MIPSInst(x) & 0x03e00000) >> I_FR_SFT)
#define I_FMA_FUNC_SFT 2
#define MIPSInst_FMA_FUNC(x) ((MIPSInst(x) & 0x0000003c) >> I_FMA_FUNC_SFT)
#define I_FMA_FFMT_SFT 0
#define MIPSInst_FMA_FFMT(x) (MIPSInst(x) & 0x00000003)
typedef unsigned int mips_instruction;
/* microMIPS instruction decode structure. Do NOT export!!! */
struct mm_decoded_insn {
mips_instruction insn;
mips_instruction next_insn;
int pc_inc;
int next_pc_inc;
int micro_mips_mode;
};
/* Recode table from 16-bit register notation to 32-bit GPR. Do NOT export!!! */
extern const int reg16to32[];
#endif /* _ASM_INST_H */
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