UefiCpuPkg: Create an SEV-ES workarea PCD

[mirror_edk2.git] / MdeModulePkg / MdeModulePkg.dec

diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 843e963ad34b4e6e9e1d6c45889bb30604952260..cb30a7975849b4da9f0fb682118c603326f3aadb 100644 (file)
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -389,6 +389,9 @@
   ## GUID indicates the capsule is to store Capsule On Disk file names.\r
   gEdkiiCapsuleOnDiskNameGuid = { 0x98c80a4f, 0xe16b, 0x4d11, { 0x93, 0x9a, 0xab, 0xe5, 0x61, 0x26, 0x3, 0x30 } }\r
 \r
+  ## Include/Guid/MigratedFvInfo.h\r
+  gEdkiiMigratedFvInfoGuid = { 0xc1ab12f7, 0x74aa, 0x408d, { 0xa2, 0xf4, 0xc6, 0xce, 0xfd, 0x17, 0x98, 0x71 } }\r
+\r
 [Ppis]\r
   ## Include/Ppi/AtaController.h\r
   gPeiAtaControllerPpiGuid       = { 0xa45e60d1, 0xc719, 0x44aa, { 0xb0, 0x7a, 0xaa, 0x77, 0x7f, 0x85, 0x90, 0x6d }}\r
@@ -1220,6 +1223,15 @@
   # @Prompt Shadow Peim and PeiCore on boot\r
   gEfiMdeModulePkgTokenSpaceGuid.PcdShadowPeimOnBoot|TRUE|BOOLEAN|0x30001029\r
 \r
+  ## Enable the feature that evacuate temporary memory to permanent memory or not<BR><BR>\r
+  #  Set FALSE as default, if the developer need this feature to avoid this vulnerability, please\r
+  #  enable it to shadow all PEIMs no matter the behavior controled by PcdShadowPeimOnBoot or\r
+  #  PcdShadowPeimOnS3Boot<BR>\r
+  #  TRUE - Evacuate temporary memory, the actions include copy memory, convert PPI pointers and so on.<BR>\r
+  #  FALSE - Do nothing, for example, no copy memory, no convert PPI pointers and so on.<BR>\r
+  # @Prompt Evacuate temporary memory to permanent memory\r
+  gEfiMdeModulePkgTokenSpaceGuid.PcdMigrateTemporaryRamFirmwareVolumes|FALSE|BOOLEAN|0x3000102A\r
+\r
   ## The mask is used to control memory profile behavior.<BR><BR>\r
   #  BIT0 - Enable UEFI memory profile.<BR>\r
   #  BIT1 - Enable SMRAM profile.<BR>\r
@@ -2051,6 +2063,15 @@
   # @Prompt If there is any test key used by the platform.\r
   gEfiMdeModulePkgTokenSpaceGuid.PcdTestKeyUsed|FALSE|BOOLEAN|0x00030003\r
 \r
+  ## This dynamic PCD holds the base address of the Guest-Hypervisor Communication Block (GHCB) pool allocation.\r
+  # @Prompt GHCB Pool Base Address\r
+  gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase|0|UINT64|0x00030007\r
+\r
+  ## This dynamic PCD holds the total size of the Guest-Hypervisor Communication Block (GHCB) pool allocation.\r
+  #  The amount of memory allocated for GHCBs is dependent on the number of APs.\r
+  # @Prompt GHCB Pool Size\r
+  gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbSize|0|UINT64|0x00030008\r
+\r
 [PcdsDynamicEx]\r
   ## This dynamic PCD enables the default variable setting.\r
   #  Its value is the default store ID value. The default value is zero as Standard default.\r