xref: /freebsd/contrib/opencsd/decoder/source/mem_acc/trc_mem_acc_bufptr.cpp (revision b6aadd183a8fc19317f893a41f252b32a87759af)
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 
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)44 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)
45 {
46     // mapper wlll filter memory spaces.
47     uint32_t bytesRead = bytesInRange(address,reqBytes); // check bytes available
48     if(bytesRead)
49         memcpy(byteBuffer,m_p_buffer+address-m_startAddress,bytesRead);
50     return bytesRead;
51 }
52 
53 /* End of File trc_mem_acc_bufptr.cpp */
54