DasharoPayloadPkg: Add option to use UEFI variable backed PPI

Certain platform like VP2410 can not keep RAM contents between reboots which results in TPM PPI to not work. Add an option to let platform use UEFI variable backed TPM PPI. It will let firmware menu PPI requests to be processed properly at the cost of not working OS runtime PPI requests which did not work anyway. Signed-off-by: Michał Żygowski <[email protected]>
Dasharo · Dec 16, 2024 · 0976fc5 · 0976fc5
1 parent 86dca9e
commit 0976fc5
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/DasharoPayloadPkg/DasharoPayloadPkg.dsc b/DasharoPayloadPkg/DasharoPayloadPkg.dsc
@@ -111,6 +111,7 @@
   DEFINE APU_CONFIG_ENABLE              = FALSE
   DEFINE USE_PLATFORM_GOP               = FALSE
   DEFINE USE_LAPTOP_LID_LIB             = FALSE
+  DEFINE USE_UEFIVAR_BACKED_TPM_PPI     = FALSE
 
   #
   # Network definition
@@ -326,8 +327,13 @@
 !if $(TPM_ENABLE) == TRUE
   Tpm12CommandLib|SecurityPkg/Library/Tpm12CommandLib/Tpm12CommandLib.inf
   Tpm2CommandLib|SecurityPkg/Library/Tpm2CommandLib/Tpm2CommandLib.inf
+
+!if $(USE_UEFIVAR_BACKED_TPM_PPI) == TRUE
+  Tcg2PhysicalPresenceLib|SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.inf
+!else
   Tcg2PhysicalPresenceLib|OvmfPkg/Library/Tcg2PhysicalPresenceLibQemu/DxeTcg2PhysicalPresenceLib.inf
   Tcg2PhysicalPresencePlatformLib|DasharoPayloadPkg/Library/Tcg2PhysicalPresencePlatformLibUefipayload/DxeTcg2PhysicalPresencePlatformLib.inf
+!endif
   Tcg2PpVendorLib|SecurityPkg/Library/Tcg2PpVendorLibNull/Tcg2PpVendorLibNull.inf
   TpmMeasurementLib|SecurityPkg/Library/DxeTpmMeasurementLib/DxeTpmMeasurementLib.inf
 !else