OpenCSD - CoreSight Trace Decode Library 1.5.1
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trc_raw_buffer.h
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1/*
2* \file trc_raw_buffer.h
3* \brief OpenCSD : Trace raw data byte buffer
4*
5* \copyright Copyright (c) 2019, 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
35#ifndef ARM_TRC_RAW_BUFFER_H_INCLUDED
36#define ARM_TRC_RAW_BUFFER_H_INCLUDED
37
38#include <vector>
39
41{
42public:
44 m_bufSize(0),
45 m_bufProcessed(0),
46 m_pBuffer(0),
47 pkt(0)
48 {};
50
51 // init the buffer
52 void init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet);
53 void copyByteToPkt(); // move a byte to the packet buffer
54 uint8_t peekNextByte(); // value of next byte in buffer.
55
56 bool empty() { return m_bufProcessed == m_bufSize; };
57 // bytes processed.
58 uint32_t processed() { return m_bufProcessed; };
59 // buffer size;
60 uint32_t size() { return m_bufSize; }
61
62private:
63 uint32_t m_bufSize;
64 uint32_t m_bufProcessed;
65 const uint8_t *m_pBuffer;
66 std::vector<uint8_t> *pkt;
67
68};
69
70// init the buffer
71inline void TraceRawBuffer::init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet)
72{
73 m_bufSize = size;
74 m_bufProcessed = 0;
75 m_pBuffer = rawtrace;
76 pkt = out_packet;
77}
78
80{
81 if (!empty()) {
82 pkt->push_back(m_pBuffer[m_bufProcessed]);
83 m_bufProcessed++;
84 }
85}
86
88{
89 uint8_t val = 0;
90 if (!empty())
91 val = m_pBuffer[m_bufProcessed];
92 return val;
93}
94
95#endif // ARM_TRC_RAW_BUFFER_H_INCLUDED
96
uint32_t processed()
uint8_t peekNextByte()
void init(const uint32_t size, const uint8_t *rawtrace, std::vector< uint8_t > *out_packet)
uint32_t size()