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97 lines
3.0 KiB
97 lines
3.0 KiB
/*
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* \file trc_raw_buffer.h
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* \brief OpenCSD : Trace raw data byte buffer
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*
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* \copyright Copyright (c) 2019, ARM Limited. All Rights Reserved.
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*/
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/*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ARM_TRC_RAW_BUFFER_H_INCLUDED
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#define ARM_TRC_RAW_BUFFER_H_INCLUDED
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#include <vector>
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class TraceRawBuffer
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{
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public:
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TraceRawBuffer() :
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m_bufSize(0),
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m_bufProcessed(0),
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m_pBuffer(0),
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pkt(0)
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{};
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~TraceRawBuffer() {};
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// init the buffer
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void init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet);
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void copyByteToPkt(); // move a byte to the packet buffer
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uint8_t peekNextByte(); // value of next byte in buffer.
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bool empty() { return m_bufProcessed == m_bufSize; };
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// bytes processed.
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uint32_t processed() { return m_bufProcessed; };
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// buffer size;
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uint32_t size() { return m_bufSize; }
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private:
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uint32_t m_bufSize;
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uint32_t m_bufProcessed;
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const uint8_t *m_pBuffer;
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std::vector<uint8_t> *pkt;
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};
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// init the buffer
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inline void TraceRawBuffer::init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet)
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{
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m_bufSize = size;
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m_bufProcessed = 0;
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m_pBuffer = rawtrace;
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pkt = out_packet;
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}
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inline void TraceRawBuffer::copyByteToPkt()
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{
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if (!empty()) {
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pkt->push_back(m_pBuffer[m_bufProcessed]);
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m_bufProcessed++;
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}
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}
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inline uint8_t TraceRawBuffer::peekNextByte()
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{
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uint8_t val = 0;
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if (!empty())
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val = m_pBuffer[m_bufProcessed];
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return val;
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}
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#endif // ARM_TRC_RAW_BUFFER_H_INCLUDED
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