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authorYuanhaoXie <yuanhao.xie@intel.com>2023-08-22 09:52:14 +0800
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2023-08-29 06:56:53 +0000
commit020cc9e2e7053bb62247b0babbbe80cb855592e5 (patch)
tree48c3cc33afcf7183d271b974b9ba488af617cf39 /OvmfPkg/Microvm
parenta107fcb618934ae18f29660ecf066f3c49dd875f (diff)
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OvmfPkg: Disable PcdFirstTimeWakeUpAPsBySipi
Disable PcdFirstTimeWakeUpAPsBySipi for IntelTdx, Microvm, and Xen to preserve the original execution of INIT-SIPI-SIPI. Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Signed-off-by: Yuanhao Xie <yuanhao.xie@intel.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'OvmfPkg/Microvm')
-rw-r--r--OvmfPkg/Microvm/MicrovmX64.dsc8
1 files changed, 8 insertions, 0 deletions
diff --git a/OvmfPkg/Microvm/MicrovmX64.dsc b/OvmfPkg/Microvm/MicrovmX64.dsc
index 2f75856393..d2ef1e00a5 100644
--- a/OvmfPkg/Microvm/MicrovmX64.dsc
+++ b/OvmfPkg/Microvm/MicrovmX64.dsc
@@ -566,6 +566,14 @@
gEfiMdeModulePkgTokenSpaceGuid.PcdSerialPciDeviceInfo|{0xFF}
gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase|0x3f8
+ #
+ # PcdFirstTimeWakeUpAPsBySipi determines whether to employ
+ # SIPI instead of the INIT-SIPI-SIPI sequence during APs
+ # initialization. Deactivate this parameter to preserve
+ # the original execution of INIT-SIPI-SIPI.
+ #
+ gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|FALSE
+
################################################################################
#
# Pcd Dynamic Section - list of all EDK II PCD Entries defined by this Platform