2 * \file trc_pkt_elem_ptm.cpp
5 * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved.
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright notice,
17 * this list of conditions and the following disclaimer in the documentation
18 * and/or other materials provided with the distribution.
20 * 3. Neither the name of the copyright holder nor the names of its contributors
21 * may be used to endorse or promote products derived from this software without
22 * specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 #include "opencsd/ptm/trc_pkt_elem_ptm.h"
41 PtmTrcPacket::PtmTrcPacket()
45 PtmTrcPacket::~PtmTrcPacket()
49 PtmTrcPacket &PtmTrcPacket::operator =(const ocsd_ptm_pkt* p_pkt)
51 *dynamic_cast<ocsd_ptm_pkt *>(this) = *p_pkt;
55 void PtmTrcPacket::Clear()
57 err_type = PTM_PKT_NOERROR;
61 context.updated_c = 0;
62 context.updated_v = 0;
65 exception.bits.present = 0;
66 prev_isa = curr_isa; // mark ISA as not changed
69 void PtmTrcPacket::ResetState()
71 type = PTM_PKT_NOTSYNC;
75 context.curr_alt_isa = 0;
83 prev_isa = curr_isa = ocsd_isa_unknown;
90 void PtmTrcPacket::UpdateAddress(const ocsd_vaddr_t partAddrVal, const int updateBits)
92 ocsd_vaddr_t validMask = OCSD_VA_MASK;
93 validMask >>= OCSD_MAX_VA_BITSIZE-updateBits;
94 addr.pkt_bits = updateBits;
95 addr.val &= ~validMask;
96 addr.val |= (partAddrVal & validMask);
97 if(updateBits > addr.valid_bits)
98 addr.valid_bits = updateBits;
101 void PtmTrcPacket::UpdateTimestamp(const uint64_t tsVal, const uint8_t updateBits)
103 uint64_t validMask = ~0ULL;
104 validMask >>= 64-updateBits;
105 timestamp &= ~validMask;
106 timestamp |= (tsVal & validMask);
107 ts_update_bits = updateBits;
110 void PtmTrcPacket::SetCycleAccAtomFromPHdr(const uint8_t pHdr)
113 atom.En_bits = (pHdr & 0x2) ? 0x0 : 0x1;
116 void PtmTrcPacket::SetAtomFromPHdr(const uint8_t pHdr)
119 uint8_t atom_fmt_id = pHdr & 0xF0;
120 if(atom_fmt_id == 0x80)
123 if((pHdr & 0x08) == 0x08)
128 else if(atom_fmt_id == 0x90)
134 if((pHdr & 0xE0) == 0xA0)
140 // extract the E/N bits
141 uint8_t atom_mask = 0x2; // start @ bit 1 - newest instruction
143 for(int i = 0; i < atom.num; i++)
146 if(!(atom_mask & pHdr)) // 0 bit is an E in PTM -> a one in the standard atom bit type
153 void PtmTrcPacket::toString(std::string &str) const
155 std::string temp1, temp2;
156 std::ostringstream oss;
158 packetTypeName(type, temp1,temp2);
159 oss << temp1 << " : " << temp2 << "; ";
161 // some packets require additional data.
164 case PTM_PKT_BAD_SEQUENCE:
165 packetTypeName(err_type, temp1,temp2);
166 oss << "[" << temp1 << "]; ";
174 case PTM_PKT_CONTEXT_ID:
175 oss << "CtxtID=0x" << std::hex << std::setw(8) << std::setfill('0') << context.ctxtID << "; ";
179 oss << "VMID=0x" << std::hex << std::setw(2) << std::setfill('0') << context.VMID << "; ";
182 case PTM_PKT_WPOINT_UPDATE:
183 case PTM_PKT_BRANCH_ADDRESS:
184 getBranchAddressStr(temp1);
193 case PTM_PKT_TIMESTAMP:
202 void PtmTrcPacket::toStringFmt(const uint32_t fmtFlags, std::string &str) const
207 void PtmTrcPacket::getAtomStr(std::string &valStr) const
209 std::ostringstream oss;
210 uint32_t bitpattern = atom.En_bits; // arranged LSBit oldest, MSbit newest
212 if(cc_valid) // cycle accurate trace - single atom
215 oss << ((bitpattern & 0x1) ? "E" : "N"); // in spec read L->R, oldest->newest
217 getCycleCountStr(subStr);
223 for(int i = 0; i < atom.num; i++)
225 oss << ((bitpattern & 0x1) ? "E" : "N"); // in spec read L->R, oldest->newest
233 void PtmTrcPacket::getBranchAddressStr(std::string &valStr) const
235 std::ostringstream oss;
239 trcPrintableElem::getValStr(subStr,32,addr.valid_bits,addr.val,true,addr.pkt_bits);
240 oss << "Addr=" << subStr << "; ";
242 // current ISA if changed.
243 if(curr_isa != prev_isa)
249 // S / NS etc if changed.
252 oss << (context.curr_NS ? "NS; " : "S; ");
253 oss << (context.curr_Hyp ? "Hyp; " : "");
257 if(exception.bits.present)
265 getCycleCountStr(subStr);
271 void PtmTrcPacket::getISAStr(std::string &isaStr) const
273 std::ostringstream oss;
281 case ocsd_isa_thumb2:
285 case ocsd_isa_aarch64:
293 case ocsd_isa_jazelle:
298 case ocsd_isa_unknown:
305 void PtmTrcPacket::getExcepStr(std::string &excepStr) const
307 static const char *ARv7Excep[] = {
308 "No Exception", "Debug Halt", "SMC", "Hyp",
309 "Async Data Abort", "Jazelle", "Reserved", "Reserved",
310 "PE Reset", "Undefined Instr", "SVC", "Prefetch Abort",
311 "Data Fault", "Generic", "IRQ", "FIQ"
314 std::ostringstream oss;
316 if(exception.number < 16)
317 oss << ARv7Excep[exception.number];
320 oss << " [" << std::hex << std::setw(2) << std::setfill('0') << exception.number << "]; ";
321 excepStr = oss.str();
324 void PtmTrcPacket::getISyncStr(std::string &valStr) const
326 std::ostringstream oss;
328 static const char *reason[] = { "Periodic", "Trace Enable", "Restart Overflow", "Debug Exit" };
331 oss << "(" << reason[(int)i_sync_reason] << "); ";
334 oss << "Addr=0x" << std::hex << std::setfill('0') << std::setw(8) << (uint32_t)addr.val << "; ";
336 oss << (context.curr_NS ? "NS; " : "S; ");
337 oss << (context.curr_Hyp ? "Hyp; " : " ");
339 if(context.updated_c)
341 oss << "CtxtID=" << std::hex << std::setw(8) << std::setfill('0') << context.ctxtID << "; ";
349 getCycleCountStr(tmpStr);
355 void PtmTrcPacket::getTSStr(std::string &valStr) const
358 std::ostringstream oss;
360 trcPrintableElem::getValStr(tmpStr,64,64,timestamp,true,ts_update_bits);
361 oss << "TS=" << tmpStr + "(" << std::dec << timestamp << "); ";
364 getCycleCountStr(tmpStr);
371 void PtmTrcPacket::getCycleCountStr(std::string &subStr) const
373 std::ostringstream oss;
374 oss << "Cycles=" << std::dec << cycle_count << "; ";
379 void PtmTrcPacket::packetTypeName(const ocsd_ptm_pkt_type pkt_type, std::string &name, std::string &desc) const
383 case PTM_PKT_NOTSYNC: //!< no sync found yet
385 desc = "PTM Not Synchronised";
388 case PTM_PKT_INCOMPLETE_EOT:
389 name = "INCOMPLETE_EOT";
390 desc = "Incomplete packet flushed at end of trace";
393 case PTM_PKT_NOERROR:
395 desc = "Error type not set";
398 case PTM_PKT_BAD_SEQUENCE:
399 name = "BAD_SEQUENCE";
400 desc = "Invalid sequence in packet";
403 case PTM_PKT_RESERVED:
405 desc = "Reserved Packet Header";
408 case PTM_PKT_BRANCH_ADDRESS:
409 name = "BRANCH_ADDRESS";
410 desc = "Branch address packet";
415 desc = "Alignment Synchronisation Packet";
420 desc = "Instruction Synchronisation packet";
423 case PTM_PKT_TRIGGER:
425 desc = "Trigger Event packet";
428 case PTM_PKT_WPOINT_UPDATE:
430 desc = "Waypoint update packet";
435 desc = "Ignore packet";
438 case PTM_PKT_CONTEXT_ID:
440 desc = "Context ID packet";
445 desc = "VM ID packet";
450 desc = "Atom packet";
453 case PTM_PKT_TIMESTAMP:
455 desc = "Timestamp packet";
458 case PTM_PKT_EXCEPTION_RET:
460 desc = "Exception return packet";
465 desc = "Unknown packet type";
468 //PTM_PKT_BRANCH_OR_BYPASS_EOT,
469 //PTM_PKT_TPIU_PAD_EOB,
473 /* End of File trc_pkt_elem_ptm.cpp */