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)

// scUnUsedInstruction.h: interface for the scUnUsedInstruction class.

//

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

#include "scTypes.h"

/* Unused arithmetic instruction */

typedef struct UAITAG

{

  uint32_t rm    : 4;

  uint32_t pad2  : 4;

  uint32_t rs    : 4;

  uint32_t rd    : 4;

  uint32_t rn    : 4;

  uint32_t op    : 2;

  uint32_t pad   : 6;

  uint32_t cond  : 4;

} UAI;

#define UAI_MASK    0x0FC000F0

#define UAI_SIG     0x00700090

/* Unused control instructions - there are 3 of these */

typedef struct UC1TAG

{

  uint32_t rm    : 4;

  uint32_t pad3  : 1;

  uint32_t op2   : 3;

  uint32_t rs    : 4;

  uint32_t rd    : 4;

  uint32_t rn    : 4;

  uint32_t pad2  : 1;

  uint32_t op    : 2;

  uint32_t pad   : 5;

  uint32_t cond  : 4;

} UCI1;

#define UCI1_MASK    0x0F900010

#define UCI1_SIG     0x01000000

typedef struct UC2TAG

{

  uint32_t rm    : 4;

  uint32_t pad4  : 1;

  uint32_t op2   : 2;

  uint32_t pad3  : 1;

  uint32_t rs    : 4;

  uint32_t rd    : 4;

  uint32_t rn    : 4;

  uint32_t pad2  : 1;

  uint32_t op    : 2;

  uint32_t pad   : 5;

  uint32_t cond  : 4;

} UCI2;

#define UCI2_MASK    0x0F900090

#define UCI2_SIG     0x01000010

typedef struct UC3TAG

{

  uint32_t imm   : 8;

  uint32_t rot   : 4;

  uint32_t rd    : 4;

  uint32_t rn    : 4;

  uint32_t pad2  : 1;

  uint32_t op    : 2;

  uint32_t pad   : 5;

  uint32_t cond  : 4;

} UCI3;

#define UCI3_MASK    0x0F900000

#define UCI3_SIG     0x03000000

/* Unused Load/Store Instruction */

typedef struct ULSTAG

{

  uint32_t rm    : 4;

  uint32_t pad4  : 1;

  uint32_t op2   : 2;

  uint32_t pad3  : 1;

  uint32_t rs    : 4;

  uint32_t rd    : 4;

  uint32_t rn    : 4;

  uint32_t ls    : 1;

  uint32_t wb    : 1;

  uint32_t b     : 1;

  uint32_t u     : 1;

  uint32_t p     : 1;

  uint32_t pad   : 3;

  uint32_t cond  : 4;

} ULSI;

#define ULSI_MASK    0x0E000090

#define ULSI_SIG     0x00000090

/* Unused Coprocessor Instruction */

typedef struct UCPITAG

{

  uint32_t offset : 8;

  uint32_t cpn    : 4;

  uint32_t crd    : 4;

  uint32_t rn     : 4;

  uint32_t x      : 1;

  uint32_t pad2   : 1;

  uint32_t op     : 2;

  uint32_t pad    : 4;

  uint32_t cond   : 4;

} UCPI;

#define UCPI_MASK    0x0F200000

#define UCPI_SIG     0x0C000000

/* Undefined instruction space */

typedef struct UDTAG

{

  uint32_t raw2 : 4;

  uint32_t pad2 : 1;

  uint32_t raw  : 20;

  uint32_t pad  : 3;

  uint32_t cond : 4;

} UNDEF;

#define UNDEF_MASK   0x0E000010

#define UNDEF_SIG    0x06000010

class scUnUsedInstruction

{

public:

        scUnUsedInstruction();

        virtual ~scUnUsedInstruction();

};