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aarch64-esr-decoder's Introduction

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A small utility for decoding aarch64 ESR register values.

This is not an officially supported Google product.


Install a Debian package from the latest release, install with cargo install aarch64-esr-decoder, or try the web version.

For the command-line version, just pass the ESR value you're interested in as a parameter, in decimal or hexadecimal:

$ aarch64-esr-decoder 0x96000050
ESR 0x00000000000000000000000096000050:
# Data Abort taken without a change in Exception level
37..63 RES0: 0x0000000 0b000000000000000000000000000
32..36 ISS2: 0x00 0b00000
26..31 EC: 0x25 0b100101
  # Data Abort taken without a change in Exception level
25     IL: true
  # 32-bit instruction trapped
00..24 ISS: 0x0000050 0b0000000000000000001010000
  24     ISV: false
    # No valid instruction syndrome
  14..23 RES0: 0x000 0b0000000000
  13     VNCR: false
  11..12 SET: 0x0 0b00
    # Recoverable state (UER)
  10     FnV: false
    # FAR is valid
  09     EA: false
  08     CM: false
  07     S1PTW: false
  06     WnR: true
    # Abort caused by writing to memory
  00..05 DFSC: 0x10 0b010000
    # Synchronous External abort, not on translation table walk or hardware update of translation table.

For long field names, add -v.


Licensed under the Apache License, Version 2.0.


If you want to contribute to the project, see details of how we accept contributions.

aarch64-esr-decoder's People


qwandor avatar dependabot[bot] avatar vdonnefort avatar


 avatar Proteas avatar bperris avatar Simone Ferrini avatar Jevin Sweval avatar  avatar Berkus Decker avatar Robert avatar yiersan avatar Shaneal Findley avatar  avatar Reza Eskandari avatar Kai Devrim avatar Andre Richter avatar Jakub L. avatar Koichi Shiraishi avatar


Andrew Walbran avatar Jevin Sweval avatar James Cloos avatar  avatar

aarch64-esr-decoder's Issues

Add long names for fields

In the web interface this could be mouseover text, in the command-line version it could be an extra flag.

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