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);
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 
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 
70     void setExcepMarker() { excep_data_marker = 1; };
71     void setExceptionNum(uint32_t excepNum) { exception_number = excepNum; };
72 
73 
74     void setTraceOnReason(const trace_on_reason_t reason);
75 
76     void setAddrRange(const ocsd_vaddr_t  st_addr, const ocsd_vaddr_t en_addr, const int num_instr = 1);
77     void setLastInstrInfo(const bool exec, const ocsd_instr_type last_i_type, const ocsd_instr_subtype last_i_subtype, const uint8_t size);
78     void setAddrStart(const ocsd_vaddr_t  st_addr) { this->st_addr = st_addr; };
79     void setLastInstrCond(const int is_cond) { this->last_instr_cond = is_cond; };
80 
81     void setSWTInfo(const ocsd_swt_info_t swt_info) { sw_trace_info = swt_info; };
82     void setExtendedDataPtr(const void *data_ptr);
83 
84 // stringize the element
85 
86     virtual void toString(std::string &str) const;
87 
88 // get elements API
89 
90     OcsdTraceElement &operator =(const ocsd_generic_trace_elem* p_elem);
91 
92     const ocsd_gen_trc_elem_t getType() const { return elem_type; };
93 
94     // return current context
95     const ocsd_pe_context &getContext() const {  return context; };
96 
97 
98 private:
99     void printSWInfoPkt(std::ostringstream &oss) const;
100     void clearPerPktData(); //!< clear flags that indicate validity / have values on a per packet basis
101 
102 };
103 
104 inline OcsdTraceElement::OcsdTraceElement(ocsd_gen_trc_elem_t type)
105 {
106     elem_type = type;
107 }
108 
109 inline OcsdTraceElement::OcsdTraceElement()
110 {
111     elem_type = OCSD_GEN_TRC_ELEM_UNKNOWN;
112 }
113 
114 inline void OcsdTraceElement::setCycleCount(const uint32_t cycleCount)
115 {
116     cycle_count = cycleCount;
117     has_cc = 1;
118 }
119 
120 inline void OcsdTraceElement::setEvent(const event_t ev_type, const uint16_t number)
121 {
122     trace_event.ev_type = (uint16_t)ev_type;
123     trace_event.ev_number = ev_type == EVENT_NUMBERED ? number : 0;
124 }
125 
126 inline void OcsdTraceElement::setAddrRange(const ocsd_vaddr_t  st_addr, const ocsd_vaddr_t en_addr, const int num_instr /* = 1 */)
127 {
128     this->st_addr = st_addr;
129     this->en_addr = en_addr;
130     this->num_instr_range = num_instr;
131 }
132 
133 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)
134 {
135     last_instr_exec = exec ? 1 : 0;
136     last_instr_sz = size & 0x7;
137     this->last_i_type = last_i_type;
138     this->last_i_subtype = last_i_subtype;
139 }
140 
141 inline void OcsdTraceElement::setType(const ocsd_gen_trc_elem_t type)
142 {
143     // set the type and clear down the per element flags
144     elem_type = type;
145 
146     clearPerPktData();
147 }
148 
149 inline void OcsdTraceElement::updateType(const ocsd_gen_trc_elem_t type)
150 {
151     elem_type = type;
152 }
153 
154 inline void OcsdTraceElement::init()
155 {
156     st_addr = en_addr = (ocsd_vaddr_t)-1;
157     isa = ocsd_isa_unknown;
158 
159     cycle_count = 0;
160     timestamp = 0;
161 
162     context.ctxt_id_valid = 0;
163     context.vmid_valid = 0;
164     context.el_valid = 0;
165 
166     last_i_type = OCSD_INSTR_OTHER;
167     last_i_subtype = OCSD_S_INSTR_NONE;
168 
169     clearPerPktData();
170 }
171 
172 inline void OcsdTraceElement::clearPerPktData()
173 {
174     flag_bits = 0; // union with trace_on_reason / trace_event
175 
176     ptr_extended_data = 0;  // extended data pointer
177 }
178 
179 inline void OcsdTraceElement::setTraceOnReason(const trace_on_reason_t reason)
180 {
181     trace_on_reason = reason;
182 }
183 
184 inline void OcsdTraceElement::setISA(const ocsd_isa isa_update)
185 {
186     isa = isa_update;
187     if(isa > ocsd_isa_unknown)
188         isa = ocsd_isa_unknown;
189 }
190 
191 inline void OcsdTraceElement::setTS(const uint64_t ts, const bool freqChange /*= false*/)
192 {
193     timestamp = ts;
194     cpu_freq_change = freqChange ? 1 : 0;
195     has_ts = 1;
196 }
197 
198 inline void OcsdTraceElement::setExtendedDataPtr(const void *data_ptr)
199 {
200     extended_data = 1;
201     ptr_extended_data = data_ptr;
202 }
203 
204 
205 /** @}*/
206 
207 #endif // ARM_TRC_GEN_ELEM_H_INCLUDED
208 
209 /* End of File trc_gen_elem.h */
210