1 /*!
2 * \file trc_gen_elem.h
3 * \brief OpenCSD : Decoder Generic trace element output class.
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 #ifndef ARM_TRC_GEN_ELEM_H_INCLUDED
35 #define ARM_TRC_GEN_ELEM_H_INCLUDED
36
37 #include "opencsd/trc_gen_elem_types.h"
38 #include "trc_printable_elem.h"
39 #include "ocsd_pe_context.h"
40
41 /** @addtogroup gen_trc_elem
42 @{*/
43
44 /*!
45 * @class OcsdTraceElement
46 * @brief Generic trace element class
47 *
48 */
49 class OcsdTraceElement : public trcPrintableElem, public ocsd_generic_trace_elem
50 {
51 public:
52 OcsdTraceElement();
53 OcsdTraceElement(ocsd_gen_trc_elem_t type);
~OcsdTraceElement()54 virtual ~OcsdTraceElement() {};
55
56 void init();
57
58 // set elements API
59
60 void setType(const ocsd_gen_trc_elem_t type); //!< set type and init flags
61 void updateType(const ocsd_gen_trc_elem_t type); //!< change type only - no init
62
setContext(const ocsd_pe_context & new_context)63 void setContext(const ocsd_pe_context &new_context) { context = new_context; };
64 void setISA(const ocsd_isa isa_update);
65
66 void setCycleCount(const uint32_t cycleCount);
67 void setEvent(const event_t ev_type, const uint16_t number);
68 void setTS(const uint64_t ts, const bool freqChange = false);
69
setExcepMarker()70 void setExcepMarker() { excep_data_marker = 1; };
setExceptionNum(uint32_t excepNum)71 void setExceptionNum(uint32_t excepNum) { exception_number = excepNum; };
72
73
74 void setTraceOnReason(const trace_on_reason_t reason);
75 void setUnSyncEOTReason(const unsync_info_t reason);
76
77 void setAddrRange(const ocsd_vaddr_t st_addr, const ocsd_vaddr_t en_addr, const int num_instr = 1);
78 void setLastInstrInfo(const bool exec, const ocsd_instr_type last_i_type, const ocsd_instr_subtype last_i_subtype, const uint8_t size);
setAddrStart(const ocsd_vaddr_t st_addr)79 void setAddrStart(const ocsd_vaddr_t st_addr) { this->st_addr = st_addr; };
setLastInstrCond(const int is_cond)80 void setLastInstrCond(const int is_cond) { this->last_instr_cond = is_cond; };
81
setSWTInfo(const ocsd_swt_info_t swt_info)82 void setSWTInfo(const ocsd_swt_info_t swt_info) { sw_trace_info = swt_info; };
83 void setExtendedDataPtr(const void *data_ptr);
84
85 // stringize the element
86
87 virtual void toString(std::string &str) const;
88
89 // get elements API
90
91 OcsdTraceElement &operator =(const ocsd_generic_trace_elem* p_elem);
92
getType()93 const ocsd_gen_trc_elem_t getType() const { return elem_type; };
94
95 // return current context
getContext()96 const ocsd_pe_context &getContext() const { return context; };
97
98 void copyPersistentData(const OcsdTraceElement &src);
99
100 private:
101 void printSWInfoPkt(std::ostringstream &oss) const;
102 void clearPerPktData(); //!< clear flags that indicate validity / have values on a per packet basis
103
104 };
105
OcsdTraceElement(ocsd_gen_trc_elem_t type)106 inline OcsdTraceElement::OcsdTraceElement(ocsd_gen_trc_elem_t type)
107 {
108 elem_type = type;
109 }
110
OcsdTraceElement()111 inline OcsdTraceElement::OcsdTraceElement()
112 {
113 elem_type = OCSD_GEN_TRC_ELEM_UNKNOWN;
114 }
115
setCycleCount(const uint32_t cycleCount)116 inline void OcsdTraceElement::setCycleCount(const uint32_t cycleCount)
117 {
118 cycle_count = cycleCount;
119 has_cc = 1;
120 }
121
setEvent(const event_t ev_type,const uint16_t number)122 inline void OcsdTraceElement::setEvent(const event_t ev_type, const uint16_t number)
123 {
124 trace_event.ev_type = (uint16_t)ev_type;
125 trace_event.ev_number = ev_type == EVENT_NUMBERED ? number : 0;
126 }
127
setAddrRange(const ocsd_vaddr_t st_addr,const ocsd_vaddr_t en_addr,const int num_instr)128 inline void OcsdTraceElement::setAddrRange(const ocsd_vaddr_t st_addr, const ocsd_vaddr_t en_addr, const int num_instr /* = 1 */)
129 {
130 this->st_addr = st_addr;
131 this->en_addr = en_addr;
132 this->num_instr_range = num_instr;
133 }
134
setLastInstrInfo(const bool exec,const ocsd_instr_type last_i_type,const ocsd_instr_subtype last_i_subtype,const uint8_t size)135 inline void OcsdTraceElement::setLastInstrInfo(const bool exec, const ocsd_instr_type last_i_type, const ocsd_instr_subtype last_i_subtype, const uint8_t size)
136 {
137 last_instr_exec = exec ? 1 : 0;
138 last_instr_sz = size & 0x7;
139 this->last_i_type = last_i_type;
140 this->last_i_subtype = last_i_subtype;
141 }
142
setType(const ocsd_gen_trc_elem_t type)143 inline void OcsdTraceElement::setType(const ocsd_gen_trc_elem_t type)
144 {
145 // set the type and clear down the per element flags
146 elem_type = type;
147
148 clearPerPktData();
149 }
150
updateType(const ocsd_gen_trc_elem_t type)151 inline void OcsdTraceElement::updateType(const ocsd_gen_trc_elem_t type)
152 {
153 elem_type = type;
154 }
155
init()156 inline void OcsdTraceElement::init()
157 {
158 st_addr = en_addr = (ocsd_vaddr_t)-1;
159 isa = ocsd_isa_unknown;
160
161 cycle_count = 0;
162 timestamp = 0;
163
164 context.ctxt_id_valid = 0;
165 context.vmid_valid = 0;
166 context.el_valid = 0;
167
168 last_i_type = OCSD_INSTR_OTHER;
169 last_i_subtype = OCSD_S_INSTR_NONE;
170
171 clearPerPktData();
172 }
173
clearPerPktData()174 inline void OcsdTraceElement::clearPerPktData()
175 {
176 flag_bits = 0; // bit-field with various flags.
177 exception_number = 0; // union with trace_on_reason / trace_event
178 ptr_extended_data = 0; // extended data pointer
179 }
180
setTraceOnReason(const trace_on_reason_t reason)181 inline void OcsdTraceElement::setTraceOnReason(const trace_on_reason_t reason)
182 {
183 trace_on_reason = reason;
184 }
185
setUnSyncEOTReason(const unsync_info_t reason)186 inline void OcsdTraceElement::setUnSyncEOTReason(const unsync_info_t reason)
187 {
188 unsync_eot_info = reason;
189 }
190
setISA(const ocsd_isa isa_update)191 inline void OcsdTraceElement::setISA(const ocsd_isa isa_update)
192 {
193 isa = isa_update;
194 if(isa > ocsd_isa_unknown)
195 isa = ocsd_isa_unknown;
196 }
197
setTS(const uint64_t ts,const bool freqChange)198 inline void OcsdTraceElement::setTS(const uint64_t ts, const bool freqChange /*= false*/)
199 {
200 timestamp = ts;
201 cpu_freq_change = freqChange ? 1 : 0;
202 has_ts = 1;
203 }
204
setExtendedDataPtr(const void * data_ptr)205 inline void OcsdTraceElement::setExtendedDataPtr(const void *data_ptr)
206 {
207 extended_data = 1;
208 ptr_extended_data = data_ptr;
209 }
210
211 // set persistent data between output packets.
copyPersistentData(const OcsdTraceElement & src)212 inline void OcsdTraceElement::copyPersistentData(const OcsdTraceElement &src)
213 {
214 isa = src.isa;
215 context = src.context;
216 }
217
218 /** @}*/
219
220 #endif // ARM_TRC_GEN_ELEM_H_INCLUDED
221
222 /* End of File trc_gen_elem.h */
223