OvmfPkg/OvmfXen: Override PcdFSBClock to Xen vLAPIC timer frequency

PcdFSBClock is used by SecPeiDxeTimerLibCpu, the TimerLib
implementation. It will also be used by XenTimerDxe. Override
PcdFSBClock to match Xen vLAPIC timer frequency.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20190813113119.14804-30-anthony.perard@citrix.com>

diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc
index 22970eda5defb0d63ee95e255852f55b1b2ddf8c..477d8c76a154c357cb5cc46a9b4073fa0b1440c0 100644 (file)
--- a/OvmfPkg/OvmfXen.dsc
+++ b/OvmfPkg/OvmfXen.dsc
@@ -439,6 +439,9 @@
   # Point to the MdeModulePkg/Application/UiApp/UiApp.inf\r
   gEfiMdeModulePkgTokenSpaceGuid.PcdBootManagerMenuFile|{ 0x21, 0xaa, 0x2c, 0x46, 0x14, 0x76, 0x03, 0x45, 0x83, 0x6e, 0x8a, 0xb6, 0xf4, 0x66, 0x23, 0x31 }\r
 \r
+  ## Xen vlapic's frequence is 100 MHz\r
+  gEfiMdePkgTokenSpaceGuid.PcdFSBClock|100000000\r
+\r
 ################################################################################\r
 #\r
 # Pcd Dynamic Section - list of all EDK II PCD Entries defined by this Platform\r