1 /*
2 * \file trc_mem_acc_bufptr.cpp
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 #include <cstring>
35
36 #include "mem_acc/trc_mem_acc_bufptr.h"
37
TrcMemAccBufPtr(const ocsd_vaddr_t s_address,const uint8_t * p_buffer,const uint32_t size)38 TrcMemAccBufPtr::TrcMemAccBufPtr(const ocsd_vaddr_t s_address, const uint8_t *p_buffer, const uint32_t size) :
39 TrcMemAccessorBase(MEMACC_BUFPTR, s_address, s_address+size-1),
40 m_p_buffer(p_buffer)
41 {
42 }
43
TrcMemAccBufPtr()44 TrcMemAccBufPtr::TrcMemAccBufPtr() :
45 TrcMemAccessorBase(MEMACC_BUFPTR), m_p_buffer(0)
46 {
47 }
48
initAccessor(const ocsd_vaddr_t s_address,const uint8_t * p_buffer,const uint32_t size)49 void TrcMemAccBufPtr::initAccessor(const ocsd_vaddr_t s_address, const uint8_t* p_buffer, const uint32_t size)
50 {
51 m_p_buffer = p_buffer;
52 setRange(s_address, s_address + size - 1);
53 }
54
readBytes(const ocsd_vaddr_t address,const ocsd_mem_space_acc_t mem_space,const uint8_t trcID,const uint32_t reqBytes,uint8_t * byteBuffer)55 const uint32_t TrcMemAccBufPtr::readBytes(const ocsd_vaddr_t address, const ocsd_mem_space_acc_t mem_space, const uint8_t trcID, const uint32_t reqBytes, uint8_t *byteBuffer)
56 {
57 // no buffer - nothing to read.
58 if (!m_p_buffer)
59 return 0;
60
61 // mapper will filter memory spaces.
62 uint32_t bytesRead = bytesInRange(address,reqBytes); // check bytes available
63 if(bytesRead)
64 memcpy(byteBuffer,m_p_buffer+address-m_startAddress,bytesRead);
65 return bytesRead;
66 }
67
68 /* End of File trc_mem_acc_bufptr.cpp */
69