Subversion Repositories scarm

///////////////////////////////////////////////////////////////////////////////

// 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.

//////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////              

//          

//  Original Author: Allen Tao Zhong,

//  University of Electronic Science and Technology in China

//  email: zhong@opencores.org

//  info   This is a SystemC ARM model,I "stole" some codes from 

//       "swarm" , author Michael Dales (michael@dcs.gla.ac.uk)

// scARMBranch1.h: interface for the scARMBranch class.

//

//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SCARMBRANCH1_H__06407AB3_411D_11D6_B9ED_000000000000__INCLUDED_)

#define AFX_SCARMBRANCH1_H__06407AB3_411D_11D6_B9ED_000000000000__INCLUDED_

#if _MSC_VER > 1000

#pragma once

#endif // _MSC_VER > 1000

#include "scARMInstruction.h"

#include "scTypes.h"    // Added by ClassView

/* Branch/Link encoding */

typedef struct BLTAG

{

  uint32_t offset : 24;

  bool_t   link   : 1;

  uint32_t pad    : 3;

  uint32_t cond   : 4;

} BRANCH;

const BRANCH_MASK= 0x0E000000;

const BRANCH_SIG=0x0A000000;

class scARMBranch : public scARMInstruction

{

        friend class scDecoder;

public:

        scARMBranch();

        virtual ~scARMBranch();

private:

        bool_t get_link(uint32_t nI);

        uint32_t get_offset(uint32_t);

};

#endif // !defined(AFX_SCARMBRANCH1_H__06407AB3_411D_11D6_B9ED_000000000000__INCLUDED_)