ArmVirtPkg/ArmVirtQemu: limit ACPI support to v5.0 and higher

[mirror_edk2.git] / ArmVirtPkg / ArmVirtQemu.dsc

diff --git a/ArmVirtPkg/ArmVirtQemu.dsc b/ArmVirtPkg/ArmVirtQemu.dsc
index 113ac3d880d4f3b18c5a6ac417bccc587a7cba82..f873883c4a3981b647567f48955d6dea00d84c1f 100644 (file)
--- a/ArmVirtPkg/ArmVirtQemu.dsc
+++ b/ArmVirtPkg/ArmVirtQemu.dsc
@@ -177,6 +177,10 @@
   # point only, for entry point versions >= 3.0.\r
   gEfiMdeModulePkgTokenSpaceGuid.PcdSmbiosEntryPointProvideMethod|0x2\r
 \r
+  # ACPI predates the AARCH64 architecture by 5 versions, so\r
+  # we only target OSes that support ACPI v5.0 or later\r
+  gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiExposedTableVersions|0x20\r
+\r
 [PcdsDynamicDefault.common]\r
   ## If TRUE, OvmfPkg/AcpiPlatformDxe will not wait for PCI\r
   #  enumeration to complete before installing ACPI tables.\r