/* Copyright (C)
* 2011 - Michael.Kang blackfin.kang@gmail.com
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*
*/

/**
* @file arm_dyncom_thumb.h
* @brief The thumb dyncom
* @author Michael.Kang blackfin.kang@gmail.com
* @version 78.77
* @date 2011-11-07
*/

#ifndef __ARM_DYNCOM_THUMB_H__
#define __ARM_DYNCOM_THUMB_H__

#include "core/arm/skyeye_common/armdefs.h"
#include "core/arm/skyeye_common/skyeye_types.h"

enum tdstate {
    t_undefined,    // Undefined Thumb instruction
    t_decoded,      // Instruction decoded to ARM equivalent
    t_branch,       // Thumb branch (already processed)
    t_uninitialized,
};

tdstate thumb_translate(addr_t addr, u32 instr, u32* ainstr, u32* inst_size);

static inline u32 get_thumb_instr(u32 instr, addr_t pc) {
    u32 tinstr;
    if ((pc & 0x3) != 0)
        tinstr = instr >> 16;
    else
        tinstr = instr & 0xFFFF;
    return tinstr;
}

#endif
