77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/*
|
|
* 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;
|
|
|
|
#endif /* _ASM_INST_H */
|