ArmPkg/Library/ArmSmcLib/AArch64/ArmSmc.S
ArmPlatformPkg/Library/ArmPlatformStackLib/AArch64/ArmPlatformStackLib.S

ArmPkg/Library/ArmSmcLib/Arm/ArmSmc.asm
ArmPlatformPkg/Library/ArmPlatformStackLib/AArch64/ArmPlatformStackLib.S

ArmPkg/Library/SemiHostingSerialPortLib/SerialPortLib.c
ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c

ArmPkg/Library/ArmSmcLib/Arm/ArmSmc.S
ArmPlatformPkg/Library/ArmPlatformStackLib/AArch64/ArmPlatformStackLib.S