xref: /freebsd-src/contrib/opencsd/decoder/include/interfaces/trc_instr_decode_i.h (revision c120c5646da1a1d2c4d90fd069a7e2a8d559eb46)
1*c120c564SAndrew Turner /*
2*c120c564SAndrew Turner  * \file       trc_instr_decode_i.h
3*c120c564SAndrew Turner  * \brief      OpenCSD : Interface for instruction decode.
4*c120c564SAndrew Turner  *
5*c120c564SAndrew Turner  * \copyright  Copyright (c) 2015, ARM Limited. All Rights Reserved.
6*c120c564SAndrew Turner  */
7*c120c564SAndrew Turner 
8*c120c564SAndrew Turner /*
9*c120c564SAndrew Turner  * Redistribution and use in source and binary forms, with or without modification,
10*c120c564SAndrew Turner  * are permitted provided that the following conditions are met:
11*c120c564SAndrew Turner  *
12*c120c564SAndrew Turner  * 1. Redistributions of source code must retain the above copyright notice,
13*c120c564SAndrew Turner  * this list of conditions and the following disclaimer.
14*c120c564SAndrew Turner  *
15*c120c564SAndrew Turner  * 2. Redistributions in binary form must reproduce the above copyright notice,
16*c120c564SAndrew Turner  * this list of conditions and the following disclaimer in the documentation
17*c120c564SAndrew Turner  * and/or other materials provided with the distribution.
18*c120c564SAndrew Turner  *
19*c120c564SAndrew Turner  * 3. Neither the name of the copyright holder nor the names of its contributors
20*c120c564SAndrew Turner  * may be used to endorse or promote products derived from this software without
21*c120c564SAndrew Turner  * specific prior written permission.
22*c120c564SAndrew Turner  *
23*c120c564SAndrew Turner  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
24*c120c564SAndrew Turner  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25*c120c564SAndrew Turner  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26*c120c564SAndrew Turner  * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27*c120c564SAndrew Turner  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28*c120c564SAndrew Turner  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29*c120c564SAndrew Turner  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
30*c120c564SAndrew Turner  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31*c120c564SAndrew Turner  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32*c120c564SAndrew Turner  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33*c120c564SAndrew Turner  */
34*c120c564SAndrew Turner 
35*c120c564SAndrew Turner #ifndef ARM_TRC_INSTR_DECODE_I_H_INCLUDED
36*c120c564SAndrew Turner #define ARM_TRC_INSTR_DECODE_I_H_INCLUDED
37*c120c564SAndrew Turner 
38*c120c564SAndrew Turner /*!
39*c120c564SAndrew Turner  * @class IInstrDecode
40*c120c564SAndrew Turner  * @ingroup ocsd_interfaces
41*c120c564SAndrew Turner  * @brief Interface class to an instruction opcode decoder.
42*c120c564SAndrew Turner  *
43*c120c564SAndrew Turner  * The opcode decoder needs to be capable of limited decode required for trace
44*c120c564SAndrew Turner  * execution flow determination.
45*c120c564SAndrew Turner  *
46*c120c564SAndrew Turner  */
47*c120c564SAndrew Turner class IInstrDecode
48*c120c564SAndrew Turner {
49*c120c564SAndrew Turner public:
IInstrDecode()50*c120c564SAndrew Turner     IInstrDecode() {}; /**< Default constructor. */
~IInstrDecode()51*c120c564SAndrew Turner     virtual ~IInstrDecode() {}; /**< Default destructor. */
52*c120c564SAndrew Turner 
53*c120c564SAndrew Turner     /*!
54*c120c564SAndrew Turner      * Instruction opcode decode for the packet trace decoder to follow the
55*c120c564SAndrew Turner      * instruction execution flow.
56*c120c564SAndrew Turner      *
57*c120c564SAndrew Turner      * @param *instr_info : Structure to pass current opcode, and receive required decode information.
58*c120c564SAndrew Turner      *
59*c120c564SAndrew Turner      * @return ocsd_err_t  : OCSD_OK if successful.
60*c120c564SAndrew Turner      */
61*c120c564SAndrew Turner     virtual ocsd_err_t DecodeInstruction(ocsd_instr_info *instr_info) = 0;
62*c120c564SAndrew Turner };
63*c120c564SAndrew Turner 
64*c120c564SAndrew Turner #endif // ARM_TRC_INSTR_DECODE_I_H_INCLUDED
65*c120c564SAndrew Turner 
66*c120c564SAndrew Turner /* End of File trc_instr_decode_i.h */
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