Expected diff from base GTDT is an addition of watchdog
timer block:

   [000h 0000 004h]                   Signature : "GTDT"    [Generic Timer Description Table]
  -[004h 0004 004h]                Table Length : 00000068
  +[004h 0004 004h]                Table Length : 00000084
   [008h 0008 001h]                    Revision : 03
  -[009h 0009 001h]                    Checksum : 93
  +[009h 0009 001h]                    Checksum : 39
   [00Ah 0010 006h]                      Oem ID : "BOCHS "
   [010h 0016 008h]                Oem Table ID : "BXPC    "
   [018h 0024 004h]                Oem Revision : 00000001
  @@ -48,17 +48,30 @@
                                      Always On : 0
   [050h 0080 008h]  Counter Read Block Address : FFFFFFFFFFFFFFFF

  -[058h 0088 004h]        Platform Timer Count : 00000000
  -[05Ch 0092 004h]       Platform Timer Offset : 00000000
  +[058h 0088 004h]        Platform Timer Count : 00000001
  +[05Ch 0092 004h]       Platform Timer Offset : 00000068
   [060h 0096 004h]      Virtual EL2 Timer GSIV : 00000000
   [064h 0100 004h]     Virtual EL2 Timer Flags : 00000000

  -Raw Table Data: Length 104 (0x68)
  +[068h 0104 001h]               Subtable Type : 01 [Generic Watchdog Timer]
  +[069h 0105 002h]                      Length : 001C
  +[06Bh 0107 001h]                    Reserved : 00
  +[06Ch 0108 008h]       Refresh Frame Address : 000000000C000000
  +[074h 0116 008h]       Control Frame Address : 000000000C001000
  +[07Ch 0124 004h]             Timer Interrupt : 00000090
  +[080h 0128 004h] Timer Flags (decoded below) : 00000000
  +                                Trigger Mode : 0
  +                                    Polarity : 0
  +                                    Security : 0
  +
  +Raw Table Data: Length 132 (0x84)

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 tests/qtest/bios-tables-test-allowed-diff.h |   1 -
 tests/data/acpi/aarch64/virt/GTDT.gwdt      | Bin 0 -> 132 bytes
 2 files changed, 1 deletion(-)
 create mode 100644 tests/data/acpi/aarch64/virt/GTDT.gwdt

diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h
index 3e9be28cc4..dfb8523c8b 100644
--- a/tests/qtest/bios-tables-test-allowed-diff.h
+++ b/tests/qtest/bios-tables-test-allowed-diff.h
@@ -1,2 +1 @@
 /* List of comma-separated changed AML files to ignore */
-"tests/data/acpi/aarch64/virt/GTDT",
diff --git a/tests/data/acpi/aarch64/virt/GTDT.gwdt b/tests/data/acpi/aarch64/virt/GTDT.gwdt
new file mode 100644
index 0000000000000000000000000000000000000000..e0c2151fa7d3432740bb997d7d33669e30f133aa
GIT binary patch
literal 132
zcmZ<{aS3T*U|?Xjbn<uh2v%^42yj+VP*7lGU|;~TLG*tpU|?WikOdJ83=DD%3=Av`
i3=Gmxz7&*(sRilFfQo?tqYRkh0h0m{dIFfkzyJV@>lgt5

literal 0
HcmV?d00001

-- 
2.47.3