From 98e9d29e061c1359541956b1e4e04bb8da4c896a Mon Sep 17 00:00:00 2001 From: YuanhaoXie Date: Tue, 18 Jul 2023 18:05:18 +0800 Subject: UefiCpuPkg: Add PcdFirstTimeWakeUpAPsBySipi Add PcdFirstTimeWakeUpAPsBySipi to check if it is in the OVMF environment and necessary to wake up APs by INIT-SIPI-SIPI. Cc: Eric Dong Cc: Ray Ni Cc: Rahul Kumar Cc: Gerd Hoffmann Signed-off-by: Yuanhao Xie Reviewed-by: Ray Ni --- UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf | 1 + UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf | 1 + UefiCpuPkg/UefiCpuPkg.dec | 11 +++++++++++ 3 files changed, 13 insertions(+) diff --git a/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf b/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf index 7d45d3ad4d..55e46d4a1f 100644 --- a/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf +++ b/UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf @@ -81,6 +81,7 @@ gUefiCpuPkgTokenSpaceGuid.PcdCpuApStatusCheckIntervalInMicroSeconds ## CONSUMES gUefiCpuPkgTokenSpaceGuid.PcdGhcbHypervisorFeatures ## CONSUMES gUefiCpuPkgTokenSpaceGuid.PcdSevEsWorkAreaBase ## SOMETIMES_CONSUMES + gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi ## CONSUMES gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard ## CONSUMES gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase ## CONSUMES gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr ## CONSUMES diff --git a/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf b/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf index 83e9028d0f..bc3d716aa9 100644 --- a/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf +++ b/UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf @@ -66,6 +66,7 @@ gUefiCpuPkgTokenSpaceGuid.PcdCpuApTargetCstate ## SOMETIMES_CONSUMES gUefiCpuPkgTokenSpaceGuid.PcdSevEsWorkAreaBase ## SOMETIMES_CONSUMES gUefiCpuPkgTokenSpaceGuid.PcdGhcbHypervisorFeatures ## CONSUMES + gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi ## CONSUMES gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase ## CONSUMES gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr ## CONSUMES diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec index e7726a605c..68473fc640 100644 --- a/UefiCpuPkg/UefiCpuPkg.dec +++ b/UefiCpuPkg/UefiCpuPkg.dec @@ -214,6 +214,17 @@ # @Prompt Configure the SEV-ES work area base gUefiCpuPkgTokenSpaceGuid.PcdSevEsWorkAreaSize|0x0|UINT32|0x30002006 + ## Determining APs' first-time wakeup by SIPI or INIT-SIPI-SIPI. + # Following a power-up or RESET of an MP system, The APs complete a + # minimal self-configuration, then wait for a startup signal (a SIPI + # message) from the BSP processor. + # + # TRUE - Broadcast SIPI. + # FALSE - Broadcast INIT-SIPI-SIPI. + # + # @Prompt BSP Broadcast Method for the first-time wakeup of APs + gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|TRUE|BOOLEAN|0x30002007 + [PcdsFixedAtBuild, PcdsPatchableInModule] ## This value is the CPU Local APIC base address, which aligns the address on a 4-KByte boundary. # @Prompt Configure base address of CPU Local APIC -- cgit