OpenCSD - CoreSight Trace Decode Library 1.4.1
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trc_mem_acc_base.h
Go to the documentation of this file.
1
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_MEM_ACC_BASE_H_INCLUDED
36#define ARM_TRC_MEM_ACC_BASE_H_INCLUDED
37
39#include <string>
40
53{
54public:
55
59 MEMACC_FILE, //<! Binary data file accessor
60 MEMACC_BUFPTR, //<! memory buffer accessor
61 MEMACC_CB_IF, //<! callback interface accessor - use for live memory access
62 };
63
66
69
71 virtual ~TrcMemAccessorBase() {};
72
79 void setRange(ocsd_vaddr_t startAddr, ocsd_vaddr_t endAddr);
80
88 virtual const bool addrInRange(const ocsd_vaddr_t s_address) const;
89
90
98 virtual const bool addrStartOfRange(const ocsd_vaddr_t s_address) const;
99
110 virtual const uint32_t bytesInRange(const ocsd_vaddr_t s_address, const uint32_t reqBytes) const;
111
119 virtual const bool overLapRange(const TrcMemAccessorBase *p_test_acc) const;
120
132 virtual const uint32_t readBytes(const ocsd_vaddr_t s_address, const ocsd_mem_space_acc_t memSpace, const uint8_t trcID, const uint32_t reqBytes, uint8_t *byteBuffer) = 0;
133
139 virtual const bool validateRange();
140
141
142 const enum MemAccTypes getType() const { return m_type; };
143
144 /* handle memory spaces */
145 void setMemSpace(ocsd_mem_space_acc_t memSpace) { m_mem_space = memSpace; };
147 const bool inMemSpace(const ocsd_mem_space_acc_t mem_space) const { return (bool)(((uint8_t)m_mem_space & (uint8_t)mem_space) != 0); };
148
149 /* memory access info logging */
150 virtual void getMemAccString(std::string &accStr) const;
151
152protected:
157};
158
160 m_startAddress(startAddr),
161 m_endAddress(endAddr),
162 m_type(accType),
163 m_mem_space(OCSD_MEM_SPACE_ANY)
164{
165}
166
168 m_startAddress(0),
169 m_endAddress(0),
170 m_type(accType),
171 m_mem_space(OCSD_MEM_SPACE_ANY)
172{
173}
174
176{
177 m_startAddress = startAddr;
178 m_endAddress = endAddr;
179}
180
181inline const bool TrcMemAccessorBase::addrInRange(const ocsd_vaddr_t s_address) const
182{
183 return (s_address >= m_startAddress) && (s_address <= m_endAddress);
184}
185
186inline const bool TrcMemAccessorBase::addrStartOfRange(const ocsd_vaddr_t s_address) const
187{
188 return (s_address == m_startAddress);
189}
190
191
192inline const uint32_t TrcMemAccessorBase::bytesInRange(const ocsd_vaddr_t s_address, const uint32_t reqBytes) const
193{
195 if(addrInRange(s_address)) // start not in range, return 0.
196 {
197 // bytes available till end address.
198 bytesInRange = m_endAddress - s_address + 1;
199 if(bytesInRange > reqBytes)
200 bytesInRange = reqBytes;
201 }
202 return (uint32_t)bytesInRange;
203}
204
205inline const bool TrcMemAccessorBase::overLapRange(const TrcMemAccessorBase *p_test_acc) const
206{
207 if( addrInRange(p_test_acc->m_startAddress) ||
208 addrInRange(p_test_acc->m_endAddress)
209 )
210 return true;
211 return false;
212}
213
215{
216 if(m_startAddress & 0x1) // at least hword aligned for thumb
217 return false;
218 if((m_endAddress + 1) & 0x1)
219 return false;
220 if(m_startAddress == m_endAddress) // zero length range.
221 return false;
222 if(m_startAddress > m_endAddress) // values bakcwards / invalid
223 return false;
224 return true;
225}
226
227
229{
230public:
232 static ocsd_err_t CreateBufferAccessor(TrcMemAccessorBase **pAccessor, const ocsd_vaddr_t s_address, const uint8_t *p_buffer, const uint32_t size);
233 static ocsd_err_t CreateFileAccessor(TrcMemAccessorBase **pAccessor, const std::string &pathToFile, ocsd_vaddr_t startAddr, size_t offset = 0, size_t size = 0);
234 static ocsd_err_t CreateCBAccessor(TrcMemAccessorBase **pAccessor, const ocsd_vaddr_t s_address, const ocsd_vaddr_t e_address, const ocsd_mem_space_acc_t mem_space);
235
237 static void DestroyAccessor(TrcMemAccessorBase *pAccessor);
238private:
239 TrcMemAccFactory() {};
241};
242
243#endif // ARM_TRC_MEM_ACC_BASE_H_INCLUDED
244
245/* End of File trc_mem_acc_base.h */
static void DestroyAccessor(TrcMemAccessorBase *pAccessor)
static ocsd_err_t CreateCBAccessor(TrcMemAccessorBase **pAccessor, const ocsd_vaddr_t s_address, const ocsd_vaddr_t e_address, const ocsd_mem_space_acc_t mem_space)
static ocsd_err_t CreateFileAccessor(TrcMemAccessorBase **pAccessor, const std::string &pathToFile, ocsd_vaddr_t startAddr, size_t offset=0, size_t size=0)
static ocsd_err_t CreateBufferAccessor(TrcMemAccessorBase **pAccessor, const ocsd_vaddr_t s_address, const uint8_t *p_buffer, const uint32_t size)
Memory range to access by trace decoder.
const MemAccTypes m_type
virtual const bool overLapRange(const TrcMemAccessorBase *p_test_acc) const
void setMemSpace(ocsd_mem_space_acc_t memSpace)
void setRange(ocsd_vaddr_t startAddr, ocsd_vaddr_t endAddr)
virtual const uint32_t readBytes(const ocsd_vaddr_t s_address, const ocsd_mem_space_acc_t memSpace, const uint8_t trcID, const uint32_t reqBytes, uint8_t *byteBuffer)=0
const ocsd_mem_space_acc_t getMemSpace() const
virtual const bool addrInRange(const ocsd_vaddr_t s_address) const
TrcMemAccessorBase(MemAccTypes type)
ocsd_mem_space_acc_t m_mem_space
enum MemAccTypes getType() const
virtual const uint32_t bytesInRange(const ocsd_vaddr_t s_address, const uint32_t reqBytes) const
virtual const bool validateRange()
ocsd_vaddr_t m_endAddress
virtual void getMemAccString(std::string &accStr) const
virtual const bool addrStartOfRange(const ocsd_vaddr_t s_address) const
virtual ~TrcMemAccessorBase()
const bool inMemSpace(const ocsd_mem_space_acc_t mem_space) const
ocsd_vaddr_t m_startAddress
enum _ocsd_mem_space_acc_t ocsd_mem_space_acc_t
enum _ocsd_err_t ocsd_err_t
uint64_t ocsd_vaddr_t
@ OCSD_MEM_SPACE_ANY
OpenCSD : Standard Types used in the library interfaces.