Subversion Repositories riscv_vhdl

/*

 *  Copyright 2018 Sergey Khabarov, sergeykhbr@gmail.com

 *

 *  Licensed under the Apache License, Version 2.0 (the "License");

 *  you may not use this file except in compliance with the License.

 *  You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 *  Unless required by applicable law or agreed to in writing, software

 *  distributed under the License is distributed on an "AS IS" BASIS,

 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *  See the License for the specific language governing permissions and

 *  limitations under the License.

 */

#ifndef __DEBUGGER_SRC_COMMON_CORESERVICES_ICPUARM_H__

#define __DEBUGGER_SRC_COMMON_CORESERVICES_ICPUARM_H__

#include "iface.h"

#include <inttypes.h>

namespace debugger {

static const char *const IFACE_CPU_ARM = "ICpuArm";

/** Signal types */

//static const int CPU_SIGNAL_RESET   = 0;

//static const int CPU_SIGNAL_EXT_IRQ = 1;

enum EInstructionModes {

    ARM_mode,

    THUMB_mode,

    Jazelle_mode,

    InstrModes_Total = 4

};

enum ECoreModes {

    User_mode = 0x10,

    FIQ_mode = 0x11,

    IRQ_mode = 0x12,

    Supervisor_mode = 0x13,

    Abort_mode = 0x17,

    Undefined_mode = 0x1B,

    System_mode = 0x1F,

    CoreModes_Total = 32

};

class ICpuArm : public IFace {

 public:

    ICpuArm() : IFace(IFACE_CPU_ARM) {}

    virtual void setInstrMode(EInstructionModes mode) {}

    virtual EInstructionModes getInstrMode() { return ARM_mode; }

    /** Zero flag */

    virtual uint32_t getZ() = 0;

    virtual void setZ(uint32_t z) = 0;

    /** Unsigned higer or same (carry flag) */

    virtual uint32_t getC() = 0;

    virtual void setC(uint32_t c) = 0;

    /** Negative flag */

    virtual uint32_t getN() = 0;

    virtual void setN(uint32_t n) = 0;

    /** Overflow flag */

    virtual uint32_t getV() = 0;

    virtual void setV(uint32_t v) = 0;

};

}  // namespace debugger

#endif  // __DEBUGGER_SRC_COMMON_CORESERVICES_ICPUARM_H__