b8e706b1a5
After each simulator break, T32Tracer retrieves the latest (16) trace records from the T32. Memory address and value can now be evaluated easily from the trace record. TODO:Nevertheless we still have to traverse the trace to find the instruction causing the access.
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
#ifndef __T32TRACEFORMAT_H__
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#define __T32TRACEFORMAT_H__
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#include <string>
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#include <stdint.h>
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namespace fail {
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struct T32TraceHeader {
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uint8_t export_file_header_string[32];
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uint8_t reserved_32;
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uint8_t cpu_code;
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uint8_t timestamp_available;
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uint8_t prestore_mode;
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uint8_t trigger_unit_available;
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uint8_t port_analyzer_avaiable_mode;
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uint8_t analyzer_type;
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uint8_t reserved_39;
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uint32_t record_length; // in bytes
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uint32_t number_of_records; // in the file
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uint32_t last_record;
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uint32_t referenced_record;
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uint8_t reserved_56_63[8];
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};
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struct T32TraceRecord {
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struct {
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uint32_t data_cycle :1; // bit 0
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uint32_t program_cycle :1; // bit 1
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uint32_t reserved_2_5 : 4; // bits 2-5
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uint32_t write_cycle : 1; // bit 6
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uint32_t reserved_7_20 : 14 ;// bits 7-20
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uint32_t flow_error : 1; // bit 21
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uint32_t reserved_22_24 : 3; //bits 22-24
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uint32_t fifo_overflow : 1; // bit 25
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uint32_t reserved_26_30 : 5; // bits 26-30
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uint32_t ownership_cycle :1; // bit 31
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} cycle_information;
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// data byte enable mask
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uint8_t data_byte_valid; // bit0 : byte0 valid, ...
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struct {
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uint8_t exec_signal : 1;
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uint8_t thumb_mode : 1;
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uint8_t arm_mode : 1;
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uint8_t reserved_3_4 : 2;
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uint8_t not_executed : 1;
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uint8_t executed : 1;
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uint8_t reserved_6_7 : 1;
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} cpu_info;
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uint8_t reserved_6;
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uint8_t core_number; // only on SMP targets
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uint32_t bus_data_address; // bus/data
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uint32_t pflow_address; // or upper part
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uint64_t data;
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uint64_t timestamp; // relative to ZERO in ns
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bool isDataAccess(void) const { return cycle_information.data_cycle == 1; };
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bool isProgram(void) const { return cycle_information.program_cycle == 1; };
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bool isDataRead(void) const { return cycle_information.data_cycle && !cycle_information.write_cycle; };
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bool isDataWrite(void) const { return cycle_information.data_cycle && cycle_information.write_cycle; };
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uint32_t getAddress(void) const { return bus_data_address; };
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uint32_t getData(void) const { return data; };
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};
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//<! This allows to print a record via Logger or cout
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std::ostream& operator <<(std::ostream & os, const fail::T32TraceRecord & r);
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};
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#endif // __T32TRACEFORMAT_H__
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