OpenCSD - CoreSight Trace Decode Library 1.5.1
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trc_pkt_decode_stm.h
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1/*
2 * \file trc_pkt_decode_stm.h
3 * \brief OpenCSD : STM packet decoder
4 *
5 * Convert the incoming indidvidual STM packets to
6 *
7 * \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved.
8 */
9
10
11/*
12 * Redistribution and use in source and binary forms, with or without modification,
13 * are permitted provided that the following conditions are met:
14 *
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 *
18 * 2. Redistributions in binary form must reproduce the above copyright notice,
19 * this list of conditions and the following disclaimer in the documentation
20 * and/or other materials provided with the distribution.
21 *
22 * 3. Neither the name of the copyright holder nor the names of its contributors
23 * may be used to endorse or promote products derived from this software without
24 * specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
28 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
30 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
32 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
33 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 */
37
38
39#ifndef ARM_TRC_PKT_DECODE_STM_H_INCLUDED
40#define ARM_TRC_PKT_DECODE_STM_H_INCLUDED
41
42
46#include "common/trc_gen_elem.h"
47
48class TrcPktDecodeStm : public TrcPktDecodeBase<StmTrcPacket, STMConfig>
49{
50public:
52 TrcPktDecodeStm(int instIDNum);
54
55protected:
56 /* implementation packet decoding interface */
62 virtual const uint8_t getCoreSightTraceID() { return m_CSID; };
63
64 /* local decode methods */
65
66private:
67 void initDecoder();
68 void resetDecoder();
69 void initPayloadBuffer();
70 bool isInit() { return (bool)((m_config != 0) && (m_payload_buffer != 0)); };
71 ocsd_datapath_resp_t decodePacket(bool &bPktDone);
72 void clearSWTPerPcktInfo();
73 void updatePayload(bool &bSendPacket);
74
75 typedef enum {
76 NO_SYNC,
77 WAIT_SYNC,
78 DECODE_PKTS
79 } processor_state_t;
80
81 processor_state_t m_curr_state;
82 unsync_info_t m_unsync_info;
83
84 ocsd_swt_info_t m_swt_packet_info;
85
86 uint8_t *m_payload_buffer;
87 int m_payload_size;
88 int m_payload_used;
89 bool m_payload_odd_nibble;
90 int m_num_pkt_correlation;
91
92 uint8_t m_CSID;
93
94 bool m_decode_pass1;
95
96
97
98//** output element
99 OcsdTraceElement m_output_elem;
100};
101
102#endif // ARM_TRC_PKT_DECODE_STM_H_INCLUDED
103
104/* End of File trc_pkt_decode_stm.h */
Generic trace element class.
virtual ~TrcPktDecodeStm()
virtual ocsd_err_t onProtocolConfig()
virtual ocsd_datapath_resp_t processPacket()
virtual ocsd_datapath_resp_t onEOT()
TrcPktDecodeStm(int instIDNum)
virtual const uint8_t getCoreSightTraceID()
virtual ocsd_datapath_resp_t onFlush()
virtual ocsd_datapath_resp_t onReset()
enum _unsync_info_t unsync_info_t
enum _ocsd_datapath_resp_t ocsd_datapath_resp_t
enum _ocsd_err_t ocsd_err_t
OpenCSD : Decoder Generic trace element output class.
OpenCSD : Trace Packet decoder base class.
OpenCSD : STM packet class.