13d004a37SPhilippe Mathieu-Daudé#!/usr/bin/env python3 2821c1130SAlex Bennée# -*- coding: utf-8 -*- 3821c1130SAlex Bennée# 4821c1130SAlex Bennée# Dump the contents of a recorded execution stream 5821c1130SAlex Bennée# 649ebe9b1SAlex Bennée# Copyright (c) 2017 Alex Bennée <alex.bennee@linaro.org> 7821c1130SAlex Bennée# 8821c1130SAlex Bennée# This library is free software; you can redistribute it and/or 9821c1130SAlex Bennée# modify it under the terms of the GNU Lesser General Public 10821c1130SAlex Bennée# License as published by the Free Software Foundation; either 1161f3c91aSChetan Pant# version 2.1 of the License, or (at your option) any later version. 12821c1130SAlex Bennée# 13821c1130SAlex Bennée# This library is distributed in the hope that it will be useful, 14821c1130SAlex Bennée# but WITHOUT ANY WARRANTY; without even the implied warranty of 15821c1130SAlex Bennée# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16821c1130SAlex Bennée# Lesser General Public License for more details. 17821c1130SAlex Bennée# 18821c1130SAlex Bennée# You should have received a copy of the GNU Lesser General Public 19821c1130SAlex Bennée# License along with this library; if not, see <http://www.gnu.org/licenses/>. 20821c1130SAlex Bennée 21821c1130SAlex Bennéeimport argparse 22821c1130SAlex Bennéeimport struct 23821c1130SAlex Bennéefrom collections import namedtuple 24fcc8c529SAlex Bennéefrom os import path 25821c1130SAlex Bennée 26821c1130SAlex Bennée# This mirrors some of the global replay state which some of the 27821c1130SAlex Bennée# stream loading refers to. Some decoders may read the next event so 28821c1130SAlex Bennée# we need handle that case. Calling reuse_event will ensure the next 29821c1130SAlex Bennée# event is read from the cache rather than advancing the file. 30821c1130SAlex Bennée 31821c1130SAlex Bennéeclass ReplayState(object): 32821c1130SAlex Bennée def __init__(self): 33821c1130SAlex Bennée self.event = -1 34821c1130SAlex Bennée self.event_count = 0 35821c1130SAlex Bennée self.already_read = False 36821c1130SAlex Bennée self.current_checkpoint = 0 37821c1130SAlex Bennée self.checkpoint = 0 38821c1130SAlex Bennée 39821c1130SAlex Bennée def set_event(self, ev): 40821c1130SAlex Bennée self.event = ev 41821c1130SAlex Bennée self.event_count += 1 42821c1130SAlex Bennée 43821c1130SAlex Bennée def get_event(self): 44821c1130SAlex Bennée self.already_read = False 45821c1130SAlex Bennée return self.event 46821c1130SAlex Bennée 47821c1130SAlex Bennée def reuse_event(self, ev): 48821c1130SAlex Bennée self.event = ev 49821c1130SAlex Bennée self.already_read = True 50821c1130SAlex Bennée 51821c1130SAlex Bennée def set_checkpoint(self): 52821c1130SAlex Bennée self.checkpoint = self.event - self.checkpoint_start 53821c1130SAlex Bennée 54821c1130SAlex Bennée def get_checkpoint(self): 55821c1130SAlex Bennée return self.checkpoint 56821c1130SAlex Bennée 57821c1130SAlex Bennéereplay_state = ReplayState() 58821c1130SAlex Bennée 59821c1130SAlex Bennée# Simple read functions that mirror replay-internal.c 60821c1130SAlex Bennée# The file-stream is big-endian and manually written out a byte at a time. 61821c1130SAlex Bennée 62821c1130SAlex Bennéedef read_byte(fin): 63821c1130SAlex Bennée "Read a single byte" 64821c1130SAlex Bennée return struct.unpack('>B', fin.read(1))[0] 65821c1130SAlex Bennée 66821c1130SAlex Bennéedef read_event(fin): 67821c1130SAlex Bennée "Read a single byte event, but save some state" 68821c1130SAlex Bennée if replay_state.already_read: 69821c1130SAlex Bennée return replay_state.get_event() 70821c1130SAlex Bennée else: 71821c1130SAlex Bennée replay_state.set_event(read_byte(fin)) 72821c1130SAlex Bennée return replay_state.event 73821c1130SAlex Bennée 74821c1130SAlex Bennéedef read_word(fin): 75821c1130SAlex Bennée "Read a 16 bit word" 76821c1130SAlex Bennée return struct.unpack('>H', fin.read(2))[0] 77821c1130SAlex Bennée 78821c1130SAlex Bennéedef read_dword(fin): 79821c1130SAlex Bennée "Read a 32 bit word" 80821c1130SAlex Bennée return struct.unpack('>I', fin.read(4))[0] 81821c1130SAlex Bennée 82821c1130SAlex Bennéedef read_qword(fin): 83821c1130SAlex Bennée "Read a 64 bit word" 84821c1130SAlex Bennée return struct.unpack('>Q', fin.read(8))[0] 85821c1130SAlex Bennée 86fcc8c529SAlex Bennéedef read_array(fin): 87fcc8c529SAlex Bennée "Read a sized array" 88fcc8c529SAlex Bennée size = read_dword(fin) 89fcc8c529SAlex Bennée data = fin.read(size) 90fcc8c529SAlex Bennée return data 91fcc8c529SAlex Bennée 92821c1130SAlex Bennée# Generic decoder structure 93821c1130SAlex BennéeDecoder = namedtuple("Decoder", "eid name fn") 94821c1130SAlex Bennée 95821c1130SAlex Bennéedef call_decode(table, index, dumpfile): 96821c1130SAlex Bennée "Search decode table for next step" 97821c1130SAlex Bennée decoder = next((d for d in table if d.eid == index), None) 98821c1130SAlex Bennée if not decoder: 99f03868bdSEduardo Habkost print("Could not decode index: %d" % (index)) 100f03868bdSEduardo Habkost print("Entry is: %s" % (decoder)) 101f03868bdSEduardo Habkost print("Decode Table is:\n%s" % (table)) 102821c1130SAlex Bennée return False 103821c1130SAlex Bennée else: 104821c1130SAlex Bennée return decoder.fn(decoder.eid, decoder.name, dumpfile) 105821c1130SAlex Bennée 106821c1130SAlex Bennée# Print event 107821c1130SAlex Bennéedef print_event(eid, name, string=None, event_count=None): 108821c1130SAlex Bennée "Print event with count" 109821c1130SAlex Bennée if not event_count: 110821c1130SAlex Bennée event_count = replay_state.event_count 111821c1130SAlex Bennée 112821c1130SAlex Bennée if string: 113f03868bdSEduardo Habkost print("%d:%s(%d) %s" % (event_count, name, eid, string)) 114821c1130SAlex Bennée else: 115f03868bdSEduardo Habkost print("%d:%s(%d)" % (event_count, name, eid)) 116821c1130SAlex Bennée 117821c1130SAlex Bennée 118821c1130SAlex Bennée# Decoders for each event type 119821c1130SAlex Bennée 120821c1130SAlex Bennéedef decode_unimp(eid, name, _unused_dumpfile): 121d30b5bc9SMichael Tokarev "Unimplemented decoder, will trigger exit" 122f03868bdSEduardo Habkost print("%s not handled - will now stop" % (name)) 123821c1130SAlex Bennée return False 124821c1130SAlex Bennée 125fcc8c529SAlex Bennéedef decode_plain(eid, name, _unused_dumpfile): 126fcc8c529SAlex Bennée "Plain events without additional data" 127fcc8c529SAlex Bennée print_event(eid, name, "no data") 128fcc8c529SAlex Bennée return True 129fcc8c529SAlex Bennée 130821c1130SAlex Bennée# Checkpoint decoder 131821c1130SAlex Bennéedef swallow_async_qword(eid, name, dumpfile): 132821c1130SAlex Bennée "Swallow a qword of data without looking at it" 133821c1130SAlex Bennée step_id = read_qword(dumpfile) 134f03868bdSEduardo Habkost print(" %s(%d) @ %d" % (name, eid, step_id)) 135821c1130SAlex Bennée return True 136821c1130SAlex Bennée 137821c1130SAlex Bennéeasync_decode_table = [ Decoder(0, "REPLAY_ASYNC_EVENT_BH", swallow_async_qword), 138821c1130SAlex Bennée Decoder(1, "REPLAY_ASYNC_INPUT", decode_unimp), 139821c1130SAlex Bennée Decoder(2, "REPLAY_ASYNC_INPUT_SYNC", decode_unimp), 140821c1130SAlex Bennée Decoder(3, "REPLAY_ASYNC_CHAR_READ", decode_unimp), 141821c1130SAlex Bennée Decoder(4, "REPLAY_ASYNC_EVENT_BLOCK", decode_unimp), 142821c1130SAlex Bennée Decoder(5, "REPLAY_ASYNC_EVENT_NET", decode_unimp), 143821c1130SAlex Bennée] 144821c1130SAlex Bennée# See replay_read_events/replay_read_event 145821c1130SAlex Bennéedef decode_async(eid, name, dumpfile): 146821c1130SAlex Bennée """Decode an ASYNC event""" 147821c1130SAlex Bennée 148821c1130SAlex Bennée print_event(eid, name) 149821c1130SAlex Bennée 150821c1130SAlex Bennée async_event_kind = read_byte(dumpfile) 151821c1130SAlex Bennée async_event_checkpoint = read_byte(dumpfile) 152821c1130SAlex Bennée 153821c1130SAlex Bennée if async_event_checkpoint != replay_state.current_checkpoint: 154f03868bdSEduardo Habkost print(" mismatch between checkpoint %d and async data %d" % ( 155f03868bdSEduardo Habkost replay_state.current_checkpoint, async_event_checkpoint)) 156821c1130SAlex Bennée return True 157821c1130SAlex Bennée 158821c1130SAlex Bennée return call_decode(async_decode_table, async_event_kind, dumpfile) 159821c1130SAlex Bennée 160*41e17cc8SAlex Bennéetotal_insns = 0 161821c1130SAlex Bennée 162821c1130SAlex Bennéedef decode_instruction(eid, name, dumpfile): 163*41e17cc8SAlex Bennée global total_insns 164821c1130SAlex Bennée ins_diff = read_dword(dumpfile) 165*41e17cc8SAlex Bennée total_insns += ins_diff 166*41e17cc8SAlex Bennée print_event(eid, name, "+ %d -> %d" % (ins_diff, total_insns)) 167821c1130SAlex Bennée return True 168821c1130SAlex Bennée 169fcc8c529SAlex Bennéedef decode_char_write(eid, name, dumpfile): 170fcc8c529SAlex Bennée res = read_dword(dumpfile) 171fcc8c529SAlex Bennée offset = read_dword(dumpfile) 172fcc8c529SAlex Bennée print_event(eid, name, "%d -> %d" % (offset, res)) 173fcc8c529SAlex Bennée return True 174fcc8c529SAlex Bennée 175821c1130SAlex Bennéedef decode_audio_out(eid, name, dumpfile): 176821c1130SAlex Bennée audio_data = read_dword(dumpfile) 177821c1130SAlex Bennée print_event(eid, name, "%d" % (audio_data)) 178821c1130SAlex Bennée return True 179821c1130SAlex Bennée 180821c1130SAlex Bennéedef decode_checkpoint(eid, name, dumpfile): 181821c1130SAlex Bennée """Decode a checkpoint. 182821c1130SAlex Bennée 183821c1130SAlex Bennée Checkpoints contain a series of async events with their own specific data. 184821c1130SAlex Bennée """ 185821c1130SAlex Bennée replay_state.set_checkpoint() 186821c1130SAlex Bennée # save event count as we peek ahead 187821c1130SAlex Bennée event_number = replay_state.event_count 188821c1130SAlex Bennée next_event = read_event(dumpfile) 189821c1130SAlex Bennée 190821c1130SAlex Bennée # if the next event is EVENT_ASYNC there are a bunch of 191821c1130SAlex Bennée # async events to read, otherwise we are done 192821c1130SAlex Bennée if next_event != 3: 193821c1130SAlex Bennée print_event(eid, name, "no additional data", event_number) 194821c1130SAlex Bennée else: 195821c1130SAlex Bennée print_event(eid, name, "more data follows", event_number) 196821c1130SAlex Bennée 197821c1130SAlex Bennée replay_state.reuse_event(next_event) 198821c1130SAlex Bennée return True 199821c1130SAlex Bennée 200821c1130SAlex Bennéedef decode_checkpoint_init(eid, name, dumpfile): 201821c1130SAlex Bennée print_event(eid, name) 202821c1130SAlex Bennée return True 203821c1130SAlex Bennée 204821c1130SAlex Bennéedef decode_interrupt(eid, name, dumpfile): 205821c1130SAlex Bennée print_event(eid, name) 206821c1130SAlex Bennée return True 207821c1130SAlex Bennée 208821c1130SAlex Bennéedef decode_clock(eid, name, dumpfile): 209821c1130SAlex Bennée clock_data = read_qword(dumpfile) 210821c1130SAlex Bennée print_event(eid, name, "0x%x" % (clock_data)) 211821c1130SAlex Bennée return True 212821c1130SAlex Bennée 213fcc8c529SAlex Bennéedef decode_random(eid, name, dumpfile): 214fcc8c529SAlex Bennée ret = read_dword(dumpfile) 215fcc8c529SAlex Bennée data = read_array(dumpfile) 216fcc8c529SAlex Bennée print_event(eid, "%d bytes of random data" % len(data)) 217fcc8c529SAlex Bennée return True 218821c1130SAlex Bennée 219821c1130SAlex Bennée# pre-MTTCG merge 220821c1130SAlex Bennéev5_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction), 221821c1130SAlex Bennée Decoder(1, "EVENT_INTERRUPT", decode_interrupt), 222fcc8c529SAlex Bennée Decoder(2, "EVENT_EXCEPTION", decode_plain), 223821c1130SAlex Bennée Decoder(3, "EVENT_ASYNC", decode_async), 224821c1130SAlex Bennée Decoder(4, "EVENT_SHUTDOWN", decode_unimp), 225fcc8c529SAlex Bennée Decoder(5, "EVENT_CHAR_WRITE", decode_char_write), 226821c1130SAlex Bennée Decoder(6, "EVENT_CHAR_READ_ALL", decode_unimp), 227821c1130SAlex Bennée Decoder(7, "EVENT_CHAR_READ_ALL_ERROR", decode_unimp), 228821c1130SAlex Bennée Decoder(8, "EVENT_CLOCK_HOST", decode_clock), 229821c1130SAlex Bennée Decoder(9, "EVENT_CLOCK_VIRTUAL_RT", decode_clock), 230821c1130SAlex Bennée Decoder(10, "EVENT_CP_CLOCK_WARP_START", decode_checkpoint), 231821c1130SAlex Bennée Decoder(11, "EVENT_CP_CLOCK_WARP_ACCOUNT", decode_checkpoint), 232821c1130SAlex Bennée Decoder(12, "EVENT_CP_RESET_REQUESTED", decode_checkpoint), 233821c1130SAlex Bennée Decoder(13, "EVENT_CP_SUSPEND_REQUESTED", decode_checkpoint), 234821c1130SAlex Bennée Decoder(14, "EVENT_CP_CLOCK_VIRTUAL", decode_checkpoint), 235821c1130SAlex Bennée Decoder(15, "EVENT_CP_CLOCK_HOST", decode_checkpoint), 236821c1130SAlex Bennée Decoder(16, "EVENT_CP_CLOCK_VIRTUAL_RT", decode_checkpoint), 237821c1130SAlex Bennée Decoder(17, "EVENT_CP_INIT", decode_checkpoint_init), 238821c1130SAlex Bennée Decoder(18, "EVENT_CP_RESET", decode_checkpoint), 239821c1130SAlex Bennée] 240821c1130SAlex Bennée 241821c1130SAlex Bennée# post-MTTCG merge, AUDIO support added 242821c1130SAlex Bennéev6_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction), 243821c1130SAlex Bennée Decoder(1, "EVENT_INTERRUPT", decode_interrupt), 244fcc8c529SAlex Bennée Decoder(2, "EVENT_EXCEPTION", decode_plain), 245821c1130SAlex Bennée Decoder(3, "EVENT_ASYNC", decode_async), 246821c1130SAlex Bennée Decoder(4, "EVENT_SHUTDOWN", decode_unimp), 247fcc8c529SAlex Bennée Decoder(5, "EVENT_CHAR_WRITE", decode_char_write), 248821c1130SAlex Bennée Decoder(6, "EVENT_CHAR_READ_ALL", decode_unimp), 249821c1130SAlex Bennée Decoder(7, "EVENT_CHAR_READ_ALL_ERROR", decode_unimp), 250821c1130SAlex Bennée Decoder(8, "EVENT_AUDIO_OUT", decode_audio_out), 251821c1130SAlex Bennée Decoder(9, "EVENT_AUDIO_IN", decode_unimp), 252821c1130SAlex Bennée Decoder(10, "EVENT_CLOCK_HOST", decode_clock), 253821c1130SAlex Bennée Decoder(11, "EVENT_CLOCK_VIRTUAL_RT", decode_clock), 254821c1130SAlex Bennée Decoder(12, "EVENT_CP_CLOCK_WARP_START", decode_checkpoint), 255821c1130SAlex Bennée Decoder(13, "EVENT_CP_CLOCK_WARP_ACCOUNT", decode_checkpoint), 256821c1130SAlex Bennée Decoder(14, "EVENT_CP_RESET_REQUESTED", decode_checkpoint), 257821c1130SAlex Bennée Decoder(15, "EVENT_CP_SUSPEND_REQUESTED", decode_checkpoint), 258821c1130SAlex Bennée Decoder(16, "EVENT_CP_CLOCK_VIRTUAL", decode_checkpoint), 259821c1130SAlex Bennée Decoder(17, "EVENT_CP_CLOCK_HOST", decode_checkpoint), 260821c1130SAlex Bennée Decoder(18, "EVENT_CP_CLOCK_VIRTUAL_RT", decode_checkpoint), 261821c1130SAlex Bennée Decoder(19, "EVENT_CP_INIT", decode_checkpoint_init), 262821c1130SAlex Bennée Decoder(20, "EVENT_CP_RESET", decode_checkpoint), 263821c1130SAlex Bennée] 264821c1130SAlex Bennée 265821c1130SAlex Bennée# Shutdown cause added 266821c1130SAlex Bennéev7_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction), 267821c1130SAlex Bennée Decoder(1, "EVENT_INTERRUPT", decode_interrupt), 268821c1130SAlex Bennée Decoder(2, "EVENT_EXCEPTION", decode_unimp), 269821c1130SAlex Bennée Decoder(3, "EVENT_ASYNC", decode_async), 270821c1130SAlex Bennée Decoder(4, "EVENT_SHUTDOWN", decode_unimp), 271821c1130SAlex Bennée Decoder(5, "EVENT_SHUTDOWN_HOST_ERR", decode_unimp), 272821c1130SAlex Bennée Decoder(6, "EVENT_SHUTDOWN_HOST_QMP", decode_unimp), 273821c1130SAlex Bennée Decoder(7, "EVENT_SHUTDOWN_HOST_SIGNAL", decode_unimp), 274821c1130SAlex Bennée Decoder(8, "EVENT_SHUTDOWN_HOST_UI", decode_unimp), 275821c1130SAlex Bennée Decoder(9, "EVENT_SHUTDOWN_GUEST_SHUTDOWN", decode_unimp), 276821c1130SAlex Bennée Decoder(10, "EVENT_SHUTDOWN_GUEST_RESET", decode_unimp), 277821c1130SAlex Bennée Decoder(11, "EVENT_SHUTDOWN_GUEST_PANIC", decode_unimp), 278821c1130SAlex Bennée Decoder(12, "EVENT_SHUTDOWN___MAX", decode_unimp), 279fcc8c529SAlex Bennée Decoder(13, "EVENT_CHAR_WRITE", decode_char_write), 280821c1130SAlex Bennée Decoder(14, "EVENT_CHAR_READ_ALL", decode_unimp), 281821c1130SAlex Bennée Decoder(15, "EVENT_CHAR_READ_ALL_ERROR", decode_unimp), 282821c1130SAlex Bennée Decoder(16, "EVENT_AUDIO_OUT", decode_audio_out), 283821c1130SAlex Bennée Decoder(17, "EVENT_AUDIO_IN", decode_unimp), 284821c1130SAlex Bennée Decoder(18, "EVENT_CLOCK_HOST", decode_clock), 285821c1130SAlex Bennée Decoder(19, "EVENT_CLOCK_VIRTUAL_RT", decode_clock), 286821c1130SAlex Bennée Decoder(20, "EVENT_CP_CLOCK_WARP_START", decode_checkpoint), 287821c1130SAlex Bennée Decoder(21, "EVENT_CP_CLOCK_WARP_ACCOUNT", decode_checkpoint), 288821c1130SAlex Bennée Decoder(22, "EVENT_CP_RESET_REQUESTED", decode_checkpoint), 289821c1130SAlex Bennée Decoder(23, "EVENT_CP_SUSPEND_REQUESTED", decode_checkpoint), 290821c1130SAlex Bennée Decoder(24, "EVENT_CP_CLOCK_VIRTUAL", decode_checkpoint), 291821c1130SAlex Bennée Decoder(25, "EVENT_CP_CLOCK_HOST", decode_checkpoint), 292821c1130SAlex Bennée Decoder(26, "EVENT_CP_CLOCK_VIRTUAL_RT", decode_checkpoint), 293821c1130SAlex Bennée Decoder(27, "EVENT_CP_INIT", decode_checkpoint_init), 294821c1130SAlex Bennée Decoder(28, "EVENT_CP_RESET", decode_checkpoint), 295821c1130SAlex Bennée] 296821c1130SAlex Bennée 297fcc8c529SAlex Bennéev12_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction), 298fcc8c529SAlex Bennée Decoder(1, "EVENT_INTERRUPT", decode_interrupt), 299fcc8c529SAlex Bennée Decoder(2, "EVENT_EXCEPTION", decode_plain), 300fcc8c529SAlex Bennée Decoder(3, "EVENT_ASYNC", decode_async), 301fcc8c529SAlex Bennée Decoder(4, "EVENT_ASYNC", decode_async), 302fcc8c529SAlex Bennée Decoder(5, "EVENT_ASYNC", decode_async), 303fcc8c529SAlex Bennée Decoder(6, "EVENT_ASYNC", decode_async), 304fcc8c529SAlex Bennée Decoder(6, "EVENT_ASYNC", decode_async), 305fcc8c529SAlex Bennée Decoder(8, "EVENT_ASYNC", decode_async), 306fcc8c529SAlex Bennée Decoder(9, "EVENT_ASYNC", decode_async), 307fcc8c529SAlex Bennée Decoder(10, "EVENT_ASYNC", decode_async), 308fcc8c529SAlex Bennée Decoder(11, "EVENT_SHUTDOWN", decode_unimp), 309fcc8c529SAlex Bennée Decoder(12, "EVENT_SHUTDOWN_HOST_ERR", decode_unimp), 310fcc8c529SAlex Bennée Decoder(13, "EVENT_SHUTDOWN_HOST_QMP_QUIT", decode_unimp), 311fcc8c529SAlex Bennée Decoder(14, "EVENT_SHUTDOWN_HOST_QMP_RESET", decode_unimp), 312fcc8c529SAlex Bennée Decoder(14, "EVENT_SHUTDOWN_HOST_SIGNAL", decode_unimp), 313fcc8c529SAlex Bennée Decoder(15, "EVENT_SHUTDOWN_HOST_UI", decode_unimp), 314fcc8c529SAlex Bennée Decoder(16, "EVENT_SHUTDOWN_GUEST_SHUTDOWN", decode_unimp), 315fcc8c529SAlex Bennée Decoder(17, "EVENT_SHUTDOWN_GUEST_RESET", decode_unimp), 316fcc8c529SAlex Bennée Decoder(18, "EVENT_SHUTDOWN_GUEST_PANIC", decode_unimp), 317fcc8c529SAlex Bennée Decoder(19, "EVENT_SHUTDOWN_GUEST_SUBSYSTEM_RESET", decode_unimp), 318fcc8c529SAlex Bennée Decoder(20, "EVENT_SHUTDOWN_GUEST_SNAPSHOT_LOAD", decode_unimp), 319fcc8c529SAlex Bennée Decoder(21, "EVENT_SHUTDOWN___MAX", decode_unimp), 320fcc8c529SAlex Bennée Decoder(22, "EVENT_CHAR_WRITE", decode_char_write), 321fcc8c529SAlex Bennée Decoder(23, "EVENT_CHAR_READ_ALL", decode_unimp), 322fcc8c529SAlex Bennée Decoder(24, "EVENT_CHAR_READ_ALL_ERROR", decode_unimp), 323fcc8c529SAlex Bennée Decoder(25, "EVENT_AUDIO_IN", decode_unimp), 324fcc8c529SAlex Bennée Decoder(26, "EVENT_AUDIO_OUT", decode_audio_out), 325fcc8c529SAlex Bennée Decoder(27, "EVENT_RANDOM", decode_random), 326fcc8c529SAlex Bennée Decoder(28, "EVENT_CLOCK_HOST", decode_clock), 327fcc8c529SAlex Bennée Decoder(29, "EVENT_CLOCK_VIRTUAL_RT", decode_clock), 328fcc8c529SAlex Bennée Decoder(30, "EVENT_CP_CLOCK_WARP_START", decode_checkpoint), 329fcc8c529SAlex Bennée Decoder(31, "EVENT_CP_CLOCK_WARP_ACCOUNT", decode_checkpoint), 330fcc8c529SAlex Bennée Decoder(32, "EVENT_CP_RESET_REQUESTED", decode_checkpoint), 331fcc8c529SAlex Bennée Decoder(33, "EVENT_CP_SUSPEND_REQUESTED", decode_checkpoint), 332fcc8c529SAlex Bennée Decoder(34, "EVENT_CP_CLOCK_VIRTUAL", decode_checkpoint), 333fcc8c529SAlex Bennée Decoder(35, "EVENT_CP_CLOCK_HOST", decode_checkpoint), 334fcc8c529SAlex Bennée Decoder(36, "EVENT_CP_CLOCK_VIRTUAL_RT", decode_checkpoint), 335fcc8c529SAlex Bennée Decoder(37, "EVENT_CP_INIT", decode_checkpoint_init), 336fcc8c529SAlex Bennée Decoder(38, "EVENT_CP_RESET", decode_checkpoint), 337fcc8c529SAlex Bennée] 338fcc8c529SAlex Bennée 339821c1130SAlex Bennéedef parse_arguments(): 340821c1130SAlex Bennée "Grab arguments for script" 341821c1130SAlex Bennée parser = argparse.ArgumentParser() 342821c1130SAlex Bennée parser.add_argument("-f", "--file", help='record/replay dump to read from', 343821c1130SAlex Bennée required=True) 344821c1130SAlex Bennée return parser.parse_args() 345821c1130SAlex Bennée 346821c1130SAlex Bennéedef decode_file(filename): 347821c1130SAlex Bennée "Decode a record/replay dump" 348821c1130SAlex Bennée dumpfile = open(filename, "rb") 349fcc8c529SAlex Bennée dumpsize = path.getsize(filename) 350821c1130SAlex Bennée # read and throwaway the header 351821c1130SAlex Bennée version = read_dword(dumpfile) 352821c1130SAlex Bennée junk = read_qword(dumpfile) 353821c1130SAlex Bennée 354fcc8c529SAlex Bennée # see REPLAY_VERSION 355f03868bdSEduardo Habkost print("HEADER: version 0x%x" % (version)) 356821c1130SAlex Bennée 357fcc8c529SAlex Bennée if version == 0xe0200c: 358fcc8c529SAlex Bennée event_decode_table = v12_event_table 359fcc8c529SAlex Bennée replay_state.checkpoint_start = 30 360fcc8c529SAlex Bennée elif version == 0xe02007: 361821c1130SAlex Bennée event_decode_table = v7_event_table 362821c1130SAlex Bennée replay_state.checkpoint_start = 12 363821c1130SAlex Bennée elif version == 0xe02006: 364821c1130SAlex Bennée event_decode_table = v6_event_table 365821c1130SAlex Bennée replay_state.checkpoint_start = 12 366821c1130SAlex Bennée else: 367821c1130SAlex Bennée event_decode_table = v5_event_table 368821c1130SAlex Bennée replay_state.checkpoint_start = 10 369821c1130SAlex Bennée 370821c1130SAlex Bennée try: 371821c1130SAlex Bennée decode_ok = True 372821c1130SAlex Bennée while decode_ok: 373821c1130SAlex Bennée event = read_event(dumpfile) 374fcc8c529SAlex Bennée decode_ok = call_decode(event_decode_table, event, 375fcc8c529SAlex Bennée dumpfile) 376fcc8c529SAlex Bennée except Exception as inst: 377fcc8c529SAlex Bennée print(f"error {inst}") 378fcc8c529SAlex Bennée 379821c1130SAlex Bennée finally: 380fcc8c529SAlex Bennée print(f"Reached {dumpfile.tell()} of {dumpsize} bytes") 381821c1130SAlex Bennée dumpfile.close() 382821c1130SAlex Bennée 383821c1130SAlex Bennéeif __name__ == "__main__": 384821c1130SAlex Bennée args = parse_arguments() 385821c1130SAlex Bennée decode_file(args.file) 386