arm64/sysreg: Add missing ExtTrcBuff field definition to ID_AA64DFR0_EL1

Add the ExtTrcBuff field definitions to ID_AA64DFR0_EL1 from
DDI0601 2023-09.

This field isn't used yet. Adding it for completeness and because
it will be used in future patches.

Signed-off-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20231214100158.2305400-3-tabba@google.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index d596be2599d10ccda2be95851e33d72aaa50561d..a8e36640c027ffc000698c95435aac8cec864129 100644 (file)
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1189,7 +1189,10 @@ Enum     63:60   HPMN0
        0b0000  UNPREDICTABLE
        0b0001  DEF
 EndEnum
-Res0   59:56
+UnsignedEnum   59:56   ExtTrcBuff
+       0b0000  NI
+       0b0001  IMP
+EndEnum
 UnsignedEnum   55:52   BRBE
        0b0000  NI
        0b0001  IMP