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-rw-r--r--UefiPayloadPkg/UefiPayloadPkg.dsc7
1 files changed, 6 insertions, 1 deletions
diff --git a/UefiPayloadPkg/UefiPayloadPkg.dsc b/UefiPayloadPkg/UefiPayloadPkg.dsc
index 3d08edfe31..65c1bd610e 100644
--- a/UefiPayloadPkg/UefiPayloadPkg.dsc
+++ b/UefiPayloadPkg/UefiPayloadPkg.dsc
@@ -111,6 +111,11 @@
DEFINE SERIAL_DRIVER_ENABLE = TRUE
DEFINE PERFORMANCE_MEASUREMENT_ENABLE = FALSE
+ # For recent X86 CPU, 0x15 CPUID instruction will return Time Stamp Counter.
+ # This is recommended way to get the time, and also how BaseCpuTimerLib works.
+ # However, some CPU doesn't support this feature, so disable it by default.
+ DEFINE CPU_TIMER_LIB_ENABLE = FALSE
+
[BuildOptions]
*_*_*_CC_FLAGS = -D DISABLE_NEW_DEPRECATED_INTERFACES
GCC:*_UNIXGCC_*_CC_FLAGS = -DMDEPKG_NDEBUG
@@ -217,7 +222,7 @@
#
# Platform
#
-!if $(UNIVERSAL_PAYLOAD) == TRUE
+!if $(CPU_TIMER_LIB_ENABLE) == TRUE
TimerLib|UefiCpuPkg/Library/CpuTimerLib/BaseCpuTimerLib.inf
!else
TimerLib|UefiPayloadPkg/Library/AcpiTimerLib/AcpiTimerLib.inf