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fix: improve EBBR profile GUID log format #762

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Merged
chetan-rathore merged 1 commit into from
Jul 2, 2026
Merged

fix: improve EBBR profile GUID log format #762

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12 changes: 8 additions & 4 deletions common/linux_scripts/capsule_ondisk_reporting_vars_check.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@
import os
import re
import struct
import uuid
import sys

# Attribute bits (UEFI Specification 8.2 - GetVariable and SetVariable)
Expand Down Expand Up @@ -212,6 +213,9 @@ def _parse_ebbr_profile_table_hexdump(text):

return bytes(data)

def efi_guid_from_string(guid_string):
"""Return canonical GUID string as raw EFI_GUID bytes for comparison."""
return uuid.UUID(guid_string).bytes_le

def _read_ebbr_profile_table_bytes(path=EBBR_PROFILE_TABLE_DUMP):
"""Read the EBBR profile table dump from the current text hexdump file."""
Expand Down Expand Up @@ -498,9 +502,9 @@ def main():
log(f"INFO: EBBR profile table Version: {version}")
log(f"INFO: EBBR profile table NumberOfProfiles: {number_of_profiles}")
# Known EBBR GUIDs encoded as raw 16-byte EFI_GUID in-memory layout (little-endian for Data1/2/3)
EBBR_2_1 = bytes.fromhex('353ce3ccac748740bce78b29b02eeb27')
EBBR_2_2 = bytes.fromhex('d4ee73900de5ee11b8b08b68da62fc80')
EBBR_2_3 = bytes.fromhex('77fc217724a7ef118eaaf7c9b194ba75')
EBBR_2_1 = efi_guid_from_string('CCE33C35-74AC-4087-BCE7-8B29B02EEB27')
EBBR_2_2 = efi_guid_from_string('9073EED4-E50D-11EE-B8B0-8B68DA62FC80')
EBBR_2_3 = efi_guid_from_string('7721FC77-A724-11EF-8EAA-F7C9B194BA75')
EBBR_VERSION_BY_GUID = {
EBBR_2_1: (2, 1),
EBBR_2_2: (2, 2),
Expand All @@ -509,7 +513,7 @@ def main():

log(f"INFO: Extracted {len(guids)} GUID(s) from EBBR profile table")
for index, guid in enumerate(guids):
log(f"INFO: EBBR profile table GUID[{index}]: {guid.hex()}")
log(f"INFO: EBBR profile table GUID[{index}] : {str(uuid.UUID(bytes_le=guid)).upper()}")
version_tuple = EBBR_VERSION_BY_GUID.get(guid)
if version_tuple is not None:
log(f"INFO: EFI Conformance Profile Table indicates platform compliance with EBBR {version_tuple[0]}.{version_tuple[1]}")
Expand Down
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