diff options
Diffstat (limited to 'ArmPkg/Include')
| -rw-r--r-- | ArmPkg/Include/Chipset/AArch64.h | 3 | ||||
| -rw-r--r-- | ArmPkg/Include/Library/ArmLib.h | 13 |
2 files changed, 16 insertions, 0 deletions
diff --git a/ArmPkg/Include/Chipset/AArch64.h b/ArmPkg/Include/Chipset/AArch64.h index 2e87917049..d8711ad711 100644 --- a/ArmPkg/Include/Chipset/AArch64.h +++ b/ArmPkg/Include/Chipset/AArch64.h @@ -31,6 +31,9 @@ #define AARCH64_PFR0_FP (0xF << 16)
#define AARCH64_PFR0_GIC (0xF << 24)
+// ID_AA64DFR0 - AArch64 Debug Feature Register 0 definitions
+#define AARCH64_DFR0_TRBE (0xFULL << 44)
+
// SCR - Secure Configuration Register definitions
#define SCR_NS (1 << 0)
#define SCR_IRQ (1 << 1)
diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h index 0169dbc109..c2d738c06e 100644 --- a/ArmPkg/Include/Library/ArmLib.h +++ b/ArmPkg/Include/Library/ArmLib.h @@ -780,6 +780,19 @@ EFIAPI ArmHasVhe (
VOID
);
+
+/**
+ Checks whether the CPU implements the Trace Buffer Extension.
+
+ @retval TRUE FEAT_TRBE is implemented.
+ @retval FALSE FEAT_TRBE is not mplemented.
+**/
+BOOLEAN
+EFIAPI
+ArmHasTrbe (
+ VOID
+ );
+
#endif // MDE_CPU_AARCH64
#ifdef MDE_CPU_ARM
|