| /* | |
| * \file trc_gen_elem.cpp | |
| * \brief OpenCSD : | |
| * | |
| * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. | |
| */ | |
| /* | |
| * Redistribution and use in source and binary forms, with or without modification, | |
| * are permitted provided that the following conditions are met: | |
| * | |
| * 1. Redistributions of source code must retain the above copyright notice, | |
| * this list of conditions and the following disclaimer. | |
| * | |
| * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| * this list of conditions and the following disclaimer in the documentation | |
| * and/or other materials provided with the distribution. | |
| * | |
| * 3. Neither the name of the copyright holder nor the names of its contributors | |
| * may be used to endorse or promote products derived from this software without | |
| * specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND | |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| */ | |
| #include "common/trc_gen_elem.h" | |
| #include "mem_acc/trc_mem_acc_base.h" | |
| #include <string> | |
| #include <sstream> | |
| #include <iomanip> | |
| static const char *s_elem_descs[][2] = | |
| { | |
| {"OCSD_GEN_TRC_ELEM_UNKNOWN","Unknown trace element - default value or indicate error in stream to client."}, | |
| {"OCSD_GEN_TRC_ELEM_NO_SYNC","Waiting for sync - either at start of decode, or after overflow / bad packet"}, | |
| {"OCSD_GEN_TRC_ELEM_TRACE_ON","Start of trace - beginning of elements or restart after discontinuity (overflow, trace filtering)."}, | |
| {"OCSD_GEN_TRC_ELEM_EO_TRACE","End of the available trace in the buffer."}, | |
| {"OCSD_GEN_TRC_ELEM_PE_CONTEXT","PE status update / change (arch, ctxtid, vmid etc)."}, | |
| {"OCSD_GEN_TRC_ELEM_INSTR_RANGE","Traced N consecutive instructions from addr (no intervening events or data elements), may have data assoc key"}, | |
| {"OCSD_GEN_TRC_ELEM_I_RANGE_NOPATH","Traced N instructions in a range, but incomplete information as to program execution path from start to end of range"}, | |
| {"OCSD_GEN_TRC_ELEM_ADDR_NACC","Tracing in inaccessible memory area."}, | |
| {"OCSD_GEN_TRC_ELEM_ADDR_UNKNOWN","Tracing unknown address area."}, | |
| {"OCSD_GEN_TRC_ELEM_EXCEPTION","Exception"}, | |
| {"OCSD_GEN_TRC_ELEM_EXCEPTION_RET","Exception return"}, | |
| {"OCSD_GEN_TRC_ELEM_TIMESTAMP","Timestamp - preceding elements happeded before this time."}, | |
| {"OCSD_GEN_TRC_ELEM_CYCLE_COUNT","Cycle count - cycles since last cycle count value - associated with a preceding instruction range."}, | |
| {"OCSD_GEN_TRC_ELEM_EVENT","Event - numbered event or trigger"}, | |
| {"OCSD_GEN_TRC_ELEM_SWTRACE","Software trace packet - may contain data payload. STM hardware trace with channel protocol."}, | |
| {"OCSD_GEN_TRC_ELEM_SYNC_MARKER","Synchronisation marker - marks position in stream of an element that is output later."}, | |
| {"OCSD_GEN_TRC_ELEM_MEMTRANS","Trace indication of transactional memory operations."}, | |
| {"OCSD_GEN_TRC_ELEM_INSTRUMENTATION", "PE instrumentation trace - PE generated SW trace, application dependent protocol."}, | |
| {"OCSD_GEN_TRC_ELEM_ITMTRACE", "Software trace packet - ITM hardware trace protocol."}, | |
| {"OCSD_GEN_TRC_ELEM_CUSTOM","Fully custom packet type."} | |
| }; | |
| static const char *instr_type[] = { | |
| "--- ", | |
| "BR ", | |
| "iBR ", | |
| "ISB ", | |
| "DSB.DMB", | |
| "WFI.WFE", | |
| "TSTART" | |
| }; | |
| #define T_SIZE (sizeof(instr_type) / sizeof(const char *)) | |
| static const char *instr_sub_type[] = { | |
| "--- ", | |
| "b+link ", | |
| "A64:ret ", | |
| "A64:eret ", | |
| "V7:impl ret", | |
| }; | |
| #define ST_SIZE (sizeof(instr_sub_type) / sizeof(const char *)) | |
| static const char *s_trace_on_reason[] = { | |
| "begin or filter", | |
| "overflow", | |
| "debug restart" | |
| }; | |
| static const char *s_isa_str[] = { | |
| "A32", /**< V7 ARM 32, V8 AArch32 */ | |
| "T32", /**< Thumb2 -> 16/32 bit instructions */ | |
| "A64", /**< V8 AArch64 */ | |
| "TEE", /**< Thumb EE - unsupported */ | |
| "Jaz", /**< Jazelle - unsupported in trace */ | |
| "Cst", /**< ISA custom */ | |
| "Unk" /**< ISA not yet known */ | |
| }; | |
| static const char *s_unsync_reason[] = { | |
| "undefined", // UNSYNC_UNKNOWN - unknown /undefined | |
| "init-decoder", // UNSYNC_INIT_DECODER - decoder intialisation - start of trace. | |
| "reset-decoder", // UNSYNC_RESET_DECODER - decoder reset. | |
| "overflow", // UNSYNC_OVERFLOW - overflow packet - need to re-sync | |
| "discard", // UNSYNC_DISCARD - specl trace discard - need to re-sync | |
| "bad-packet", // UNSYNC_BAD_PACKET - bad packet at input - resync to restart. | |
| "bad-program-image", // UNSYNC_BAD_IMAGE - bad program image - resync to restart. */ | |
| "end-of-trace", // UNSYNC_EOT - end of trace info. | |
| }; | |
| static const char *s_transaction_type[] = { | |
| "Init", | |
| "Start", | |
| "Commit", | |
| "Fail" | |
| }; | |
| static const char *s_marker_t[] = { | |
| "Timestamp marker", // ELEM_MARKER_TS | |
| }; | |
| void OcsdTraceElement::toString(std::string &str) const | |
| { | |
| std::ostringstream oss; | |
| int num_str = sizeof(s_elem_descs) / sizeof(s_elem_descs[0]); | |
| int typeIdx = (int)this->elem_type; | |
| std::string strEx; | |
| if(typeIdx < num_str) | |
| { | |
| oss << s_elem_descs[typeIdx][0] << "("; | |
| switch(elem_type) | |
| { | |
| case OCSD_GEN_TRC_ELEM_INSTR_RANGE: | |
| oss << "exec range=0x" << std::hex << st_addr << ":[0x" << en_addr << "] "; | |
| oss << "num_i(" << std::dec << num_instr_range << ") "; | |
| oss << "last_sz(" << last_instr_sz << ") "; | |
| oss << "(ISA=" << s_isa_str[(int)isa] << ") "; | |
| oss << ((last_instr_exec == 1) ? "E " : "N "); | |
| if((int)last_i_type < T_SIZE) | |
| oss << instr_type[last_i_type]; | |
| if((last_i_subtype != OCSD_S_INSTR_NONE) && ((int)last_i_subtype < ST_SIZE)) | |
| oss << instr_sub_type[last_i_subtype]; | |
| if (last_instr_cond) | |
| oss << " <cond>"; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_ADDR_NACC: | |
| // exception number overridden to give mem space associated with NACC result. | |
| TrcMemAccessorBase::getMemAccSpaceString(strEx, (ocsd_mem_space_acc_t)exception_number); | |
| oss << " 0x" << std::hex << st_addr << "; Memspace [0x" << exception_number << ":" << strEx << "] "; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_I_RANGE_NOPATH: | |
| oss << "first 0x" << std::hex << st_addr << ":[next 0x" << en_addr << "] "; | |
| oss << "num_i(" << std::dec << num_instr_range << ") "; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_EXCEPTION: | |
| if (excep_ret_addr == 1) | |
| { | |
| oss << "pref ret addr:0x" << std::hex << en_addr; | |
| if (excep_ret_addr_br_tgt) | |
| { | |
| oss << " [addr also prev br tgt]"; | |
| } | |
| oss << "; "; | |
| } | |
| oss << "excep num (0x" << std::setfill('0') << std::setw(2) << std::hex << exception_number << ") "; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_PE_CONTEXT: | |
| oss << "(ISA=" << s_isa_str[(int)isa] << ") "; | |
| if((context.exception_level > ocsd_EL_unknown) && (context.el_valid)) | |
| { | |
| oss << "EL" << std::dec << (int)(context.exception_level); | |
| } | |
| switch (context.security_level) | |
| { | |
| case ocsd_sec_secure: oss << "S; "; break; | |
| case ocsd_sec_nonsecure: oss << "N; "; break; | |
| case ocsd_sec_root: oss << "Root; "; break; | |
| case ocsd_sec_realm: oss << "Realm; "; break; | |
| } | |
| oss << (context.bits64 ? "64-bit; " : "32-bit; "); | |
| if(context.vmid_valid) | |
| oss << "VMID=0x" << std::hex << context.vmid << "; "; | |
| if(context.ctxt_id_valid) | |
| oss << "CTXTID=0x" << std::hex << context.context_id << "; "; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_TRACE_ON: | |
| oss << " [" << s_trace_on_reason[trace_on_reason] << "]"; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_TIMESTAMP: | |
| oss << " [ TS=0x" << std::setfill('0') << std::setw(12) << std::hex << timestamp << "]; "; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_SWTRACE: | |
| printSWInfoPkt(oss); | |
| break; | |
| case OCSD_GEN_TRC_ELEM_ITMTRACE: | |
| printSWInfoPktItm(oss); | |
| break; | |
| case OCSD_GEN_TRC_ELEM_EVENT: | |
| if(trace_event.ev_type == EVENT_TRIGGER) | |
| oss << " Trigger; "; | |
| else if(trace_event.ev_type == EVENT_NUMBERED) | |
| oss << " Numbered:" << std::dec << trace_event.ev_number << "; "; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_EO_TRACE: | |
| case OCSD_GEN_TRC_ELEM_NO_SYNC: | |
| if (unsync_eot_info <= UNSYNC_EOT) | |
| oss << " [" << s_unsync_reason[unsync_eot_info] << "]"; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_SYNC_MARKER: | |
| oss << " [" << s_marker_t[sync_marker.type] << "(0x" << std::setfill('0') << std::setw(8) << std::hex << sync_marker.value << ")]"; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_MEMTRANS: | |
| if (mem_trans <= OCSD_MEM_TRANS_FAIL) | |
| oss << s_transaction_type[mem_trans]; | |
| break; | |
| case OCSD_GEN_TRC_ELEM_INSTRUMENTATION: | |
| oss << "EL" << std::dec << (int)sw_ite.el << "; 0x" << std::setfill('0') << std::setw(16) << std::hex << sw_ite.value; | |
| break; | |
| default: break; | |
| } | |
| if(has_cc) | |
| oss << std::dec << " [CC=" << cycle_count << "]; "; | |
| oss << ")"; | |
| } | |
| else | |
| { | |
| oss << "OCSD_GEN_TRC_ELEM??: index out of range."; | |
| } | |
| str = oss.str(); | |
| } | |
| OcsdTraceElement &OcsdTraceElement::operator =(const ocsd_generic_trace_elem* p_elem) | |
| { | |
| *dynamic_cast<ocsd_generic_trace_elem*>(this) = *p_elem; | |
| return *this; | |
| } | |
| void OcsdTraceElement::printSWInfoPkt(std::ostringstream & oss) const | |
| { | |
| if (!sw_trace_info.swt_global_err) | |
| { | |
| if (sw_trace_info.swt_id_valid) | |
| { | |
| oss << " (Ma:0x" << std::setfill('0') << std::setw(2) << std::hex << sw_trace_info.swt_master_id << "; "; | |
| oss << "Ch:0x" << std::setfill('0') << std::setw(2) << std::hex << sw_trace_info.swt_channel_id << ") "; | |
| } | |
| else | |
| oss << "(Ma:0x??; Ch:0x??" << ") "; | |
| if (sw_trace_info.swt_payload_pkt_bitsize > 0) | |
| { | |
| oss << "0x" << std::setfill('0') << std::hex; | |
| if (sw_trace_info.swt_payload_pkt_bitsize == 4) | |
| { | |
| oss << std::setw(1); | |
| oss << (uint16_t)(((uint8_t *)ptr_extended_data)[0] & 0xF); | |
| } | |
| else | |
| { | |
| switch (sw_trace_info.swt_payload_pkt_bitsize) | |
| { | |
| case 8: | |
| // force uint8 to uint16 so oss 'sees' them as something to be stringised, rather than absolute char values | |
| oss << std::setw(2) << (uint16_t)((uint8_t *)ptr_extended_data)[0]; | |
| break; | |
| case 16: | |
| oss << std::setw(4) << ((uint16_t *)ptr_extended_data)[0]; | |
| break; | |
| case 32: | |
| oss << std::setw(8) << ((uint32_t *)ptr_extended_data)[0]; | |
| break; | |
| case 64: | |
| oss << std::setw(16) << ((uint64_t *)ptr_extended_data)[0]; | |
| break; | |
| default: | |
| oss << "{Data Error : unsupported bit width.}"; | |
| break; | |
| } | |
| } | |
| oss << "; "; | |
| } | |
| if (sw_trace_info.swt_marker_packet) | |
| oss << "+Mrk "; | |
| if (sw_trace_info.swt_trigger_event) | |
| oss << "Trig "; | |
| if (sw_trace_info.swt_has_timestamp) | |
| oss << " [ TS=0x" << std::setfill('0') << std::setw(12) << std::hex << timestamp << "]; "; | |
| if (sw_trace_info.swt_frequency) | |
| oss << "Freq"; | |
| if (sw_trace_info.swt_master_err) | |
| oss << "{Master Error.}"; | |
| } | |
| else | |
| { | |
| oss << "{Global Error.}"; | |
| } | |
| } | |
| void OcsdTraceElement::printSWInfoPktItm(std::ostringstream& oss) const | |
| { | |
| const char* ts_local_desc = 0; | |
| if (swt_itm.overflow) | |
| oss << "ITM_OVERFLOW; "; | |
| switch (swt_itm.pkt_type) | |
| { | |
| case SWIT_PAYLOAD: | |
| oss << "ITM_SWIT (ch: 0x" << std::hex << (uint16_t)swt_itm.payload_src_id << "; Data: 0x" << std::hex << std::setfill('0') << std::setw(swt_itm.payload_size * 2) << swt_itm.value << ") "; | |
| break; | |
| case DWT_PAYLOAD: | |
| oss << "ITM_DWT (desc: 0x" << std::hex << (uint16_t)swt_itm.payload_src_id << "; Data: 0x" << std::setfill('0') << std::hex << std::setw(swt_itm.payload_size * 2) << swt_itm.value << ") "; | |
| break; | |
| case TS_GLOBAL: | |
| oss << "ITM_TS_GLOBAL ( TS: 0x" << std::setfill('0') << std::hex << std::setw(16) << timestamp << ") "; | |
| break; | |
| case TS_SYNC: | |
| ts_local_desc = "TS Sync"; | |
| break; | |
| case TS_DELAY: | |
| ts_local_desc = "TS Delay"; | |
| break; | |
| case TS_PKT_DELAY: | |
| ts_local_desc = "Packet Delay"; | |
| break; | |
| case TS_PKT_TS_DELAY: | |
| ts_local_desc = "TS and Packet Delay"; | |
| break; | |
| } | |
| if (ts_local_desc) | |
| { | |
| oss << "ITM_TS_LOCAL ( TS delta: 0x" << std::hex << std::setw(8) << std::setfill('0') << swt_itm.value << ", { " << ts_local_desc << "}; "; | |
| oss << "TS cumulative: 0x" << std::setw(16) << timestamp << ") "; | |
| } | |
| } | |
| /* | |
| void OcsdTraceElement::toString(const ocsd_generic_trace_elem *p_elem, std::string &str) | |
| { | |
| OcsdTraceElement elem; | |
| elem = p_elem; | |
| elem.toString(str); | |
| } | |
| */ | |
| /* End of File trc_gen_elem.cpp */ |