Disable PcdFirstTimeWakeUpAPsBySipi for IntelTdx, Microvm, and Xen to preserve the original execution of INIT-SIPI-SIPI.
Cc: Eric Dong <[email protected]> Cc: Ray Ni <[email protected]> Cc: Rahul Kumar <[email protected]> Cc: Gerd Hoffmann <[email protected]> Cc: Ard Biesheuvel <[email protected]> Cc: Jiewen Yao <[email protected]> Cc: Jordan Justen <[email protected]> Signed-off-by: Yuanhao Xie <[email protected]> --- OvmfPkg/IntelTdx/IntelTdxX64.dsc | 8 ++++++++ OvmfPkg/Microvm/MicrovmX64.dsc | 8 ++++++++ OvmfPkg/OvmfXen.dsc | 8 ++++++++ 3 files changed, 24 insertions(+) diff --git a/OvmfPkg/IntelTdx/IntelTdxX64.dsc b/OvmfPkg/IntelTdx/IntelTdxX64.dsc index 193657ff2d..80b0558c3f 100644 --- a/OvmfPkg/IntelTdx/IntelTdxX64.dsc +++ b/OvmfPkg/IntelTdx/IntelTdxX64.dsc @@ -463,6 +463,14 @@ # Point to the MdeModulePkg/Application/UiApp/UiApp.inf gEfiMdeModulePkgTokenSpaceGuid.PcdBootManagerMenuFile|{ 0x21, 0xaa, 0x2c, 0x46, 0x14, 0x76, 0x03, 0x45, 0x83, 0x6e, 0x8a, 0xb6, 0xf4, 0x66, 0x23, 0x31 } + # + # 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 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 diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc index 210578c1d7..dcb99d1f0b 100644 --- a/OvmfPkg/OvmfXen.dsc +++ b/OvmfPkg/OvmfXen.dsc @@ -458,6 +458,14 @@ # We populate DXE IPL tables with 1G pages preferably on Xen gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable|TRUE + # + # 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 -- 2.36.1.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#107939): https://edk2.groups.io/g/devel/message/107939 Mute This Topic: https://groups.io/mt/100887108/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
