1 /*
2 * \file trc_i_decode.h
3 * \brief OpenCSD :
4 *
5 * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved.
6 */
7
8 /*
9 * Redistribution and use in source and binary forms, with or without modification,
10 * are permitted provided that the following conditions are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the copyright holder nor the names of its contributors
20 * may be used to endorse or promote products derived from this software without
21 * specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
30 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34 #ifndef ARM_TRC_I_DECODE_H_INCLUDED
35 #define ARM_TRC_I_DECODE_H_INCLUDED
36
37 #include "interfaces/trc_instr_decode_i.h"
38 #include "opencsd/ocsd_if_types.h"
39
40 /** Throw error if AA64 opcode top 2 bytes == 0x0000. This range is invalid in AA64 */
41 #define OCSD_ENV_ERR_ON_AA64_BAD_OPCODE "OPENCSD_ERR_ON_AA64_BAD_OPCODE"
42
43 class TrcIDecode : public IInstrDecode
44 {
45 public:
46 TrcIDecode();
~TrcIDecode()47 virtual ~TrcIDecode() {};
48
49 virtual ocsd_err_t DecodeInstruction(ocsd_instr_info* instr_info);
50
51 /* control AA64 checking for invalid opcode */
52 void setAA64_errOnBadOpcode(bool bSet);
53 void envSetAA64_errOnBadOpcode();
54
55 private:
56 ocsd_err_t DecodeA32(ocsd_instr_info *instr_info, struct decode_info *info);
57 ocsd_err_t DecodeA64(ocsd_instr_info *instr_info, struct decode_info *info);
58 ocsd_err_t DecodeT32(ocsd_instr_info *instr_info, struct decode_info *info);
59
60 bool aa64_err_bad_opcode; //< error if aa64 opcode is in invalid range (top 2 bytes = 0x0000).
61 };
62
setAA64_errOnBadOpcode(bool bSet)63 inline void TrcIDecode::setAA64_errOnBadOpcode(bool bSet)
64 {
65 aa64_err_bad_opcode = bSet;
66 }
67
68 #endif // ARM_TRC_I_DECODE_H_INCLUDED
69
70 /* End of File trc_i_decode.h */
71