1 files changed, 96 insertions, 0 deletions
diff --git a/decoder/include/common/trc_raw_buffer.h b/decoder/include/common/trc_raw_buffer.h
new file mode 100644
index 000000000000..67b8d2403457
--- /dev/null
+++ b/decoder/include/common/trc_raw_buffer.h
@@ -0,0 +1,96 @@
+/*
+* \file       trc_raw_buffer.h
+* \brief      OpenCSD : Trace raw data byte buffer
+*
+* \copyright  Copyright (c) 2019, ARM Limited. All Rights Reserved.
+*/
+
+/*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* 3. Neither the name of the copyright holder nor the names of its contributors
+* may be used to endorse or promote products derived from this software without
+* specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
+* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef ARM_TRC_RAW_BUFFER_H_INCLUDED
+#define ARM_TRC_RAW_BUFFER_H_INCLUDED
+
+#include <vector>
+
+class TraceRawBuffer
+{
+public:
+    TraceRawBuffer() : 
+        m_bufSize(0), 
+        m_bufProcessed(0), 
+        m_pBuffer(0), 
+        pkt(0)
+    {};
+    ~TraceRawBuffer() {};
+
+    // init the buffer
+    void init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet);
+    void copyByteToPkt();   // move a byte to the packet buffer     
+    uint8_t peekNextByte(); // value of next byte in buffer.
+
+    bool empty() { return m_bufProcessed == m_bufSize; };
+    // bytes processed.
+    uint32_t processed() { return m_bufProcessed; };
+    // buffer size;
+    uint32_t size() { return m_bufSize; }
+
+private:
+    uint32_t m_bufSize;
+    uint32_t m_bufProcessed;
+    const uint8_t *m_pBuffer;
+    std::vector<uint8_t> *pkt;
+
+};
+
+// init the buffer
+inline void TraceRawBuffer::init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet)
+{
+    m_bufSize = size;
+    m_bufProcessed = 0;
+    m_pBuffer = rawtrace;
+    pkt = out_packet;
+}
+
+inline void TraceRawBuffer::copyByteToPkt()
+{
+    if (!empty()) {
+        pkt->push_back(m_pBuffer[m_bufProcessed]);
+        m_bufProcessed++;
+    }
+}
+
+inline uint8_t TraceRawBuffer::peekNextByte()
+{
+    uint8_t val = 0;
+    if (!empty())
+        val = m_pBuffer[m_bufProcessed];
+    return val;
+}
+
+#endif // ARM_TRC_RAW_BUFFER_H_INCLUDED
+