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-rw-r--r--ArmPkg/Include/Chipset/AArch64.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/ArmPkg/Include/Chipset/AArch64.h b/ArmPkg/Include/Chipset/AArch64.h
index b63f577acc..0400740247 100644
--- a/ArmPkg/Include/Chipset/AArch64.h
+++ b/ArmPkg/Include/Chipset/AArch64.h
@@ -62,6 +62,13 @@
#define ARM_HCR_TSC BIT19
#define ARM_HCR_TGE BIT27
+// Exception Syndrome Register
+#define AARCH64_ESR_EC(Ecr) ((0x3F << 26) & (Ecr))
+#define AARCH64_ESR_ISS(Ecr) ((0x1FFFFFF) & (Ecr))
+
+#define AARCH64_ESR_EC_SMC32 (0x13 << 26)
+#define AARCH64_ESR_EC_SMC64 (0x17 << 26)
+
// AArch64 Exception Level
#define AARCH64_EL3 0xC
#define AARCH64_EL2 0x8