UefiCpuPkg: Create PCD to be used in support of SEV-ES

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198

A new dynamic UefiCpuPkg PCD is needed to support SEV-ES under OVMF:
  - PcdSevEsIsEnabled: BOOLEAN value used to indicate if SEV-ES is enabled

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>

diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
index 8b2e03d49d079f0adbdaf26de639bf11d60b2f02..d52912ddca1f28291d405c087ab093813ed06bc1 100644 (file)
--- a/UefiCpuPkg/UefiCpuPkg.dec
+++ b/UefiCpuPkg/UefiCpuPkg.dec
@@ -373,5 +373,11 @@
   # @ValidRange  0x80000001 | 0 - 1\r
   gUefiCpuPkgTokenSpaceGuid.PcdCpuProcTraceOutputScheme|0x0|UINT8|0x60000015\r
 \r
+  ## This dynamic PCD indicates whether SEV-ES is enabled\r
+  #   TRUE  - SEV-ES is enabled\r
+  #   FALSE - SEV-ES is not enabled\r
+  # @Prompt SEV-ES Status\r
+  gUefiCpuPkgTokenSpaceGuid.PcdSevEsIsEnabled|FALSE|BOOLEAN|0x60000016\r
+\r
 [UserExtensions.TianoCore."ExtraFiles"]\r
   UefiCpuPkgExtra.uni\r

diff --git a/UefiCpuPkg/UefiCpuPkg.uni b/UefiCpuPkg/UefiCpuPkg.uni
index 1780dfdc126d3f80cfd006627d78c72edc0b1f27..f4a0c72f6293ff85fed30e9a4c2d7ce1899be7c7 100644 (file)
--- a/UefiCpuPkg/UefiCpuPkg.uni
+++ b/UefiCpuPkg/UefiCpuPkg.uni
@@ -278,3 +278,6 @@
 \r
 #string STR_gUefiCpuPkgTokenSpaceGuid_PcdCpuApStatusCheckIntervalInMicroSeconds_PROMPT  #language en-US "Periodic interval value in microseconds for AP status check in DXE.\n"\r
 #string STR_gUefiCpuPkgTokenSpaceGuid_PcdCpuApStatusCheckIntervalInMicroSeconds_HELP    #language en-US "Periodic interval value in microseconds for the status check of APs for StartupAllAPs() and StartupThisAP() executed in non-blocking mode in DXE phase.\n"\r
+\r
+#string STR_gUefiCpuPkgTokenSpaceGuid_PcdSevEsIsEnabled_PROMPT  #language en-US "Specifies whether SEV-ES is enabled"\r
+#string STR_gUefiCpuPkgTokenSpaceGuid_PcdSevEsIsEnabled_HELP    #language en-US "Set to TRUE when running as an SEV-ES guest, FALSE otherwise."\r