OvmfPkg: Disable PcdFirstTimeWakeUpAPsBySipi.

Disable PcdFirstTimeWakeUpAPsBySipi for OVMF to let BSP wake up APs by 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]> Reviewed-by: Ray Ni <[email protected]> Reviewed-by: Ard Biesheuvel <[email protected]>
tqh · Aug 14, 2023 · 1d76560 · 1d76560
1 parent 98e9d29
commit 1d76560
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diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
@@ -1,7 +1,7 @@
 ## @file
 #  EFI/Framework Open Virtual Machine Firmware (OVMF) platform
 #
-#  Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2006 - 2023, Intel Corporation. All rights reserved.<BR>
 #  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
 #  Copyright (c) Microsoft Corporation.
 #
@@ -585,6 +585,13 @@
 
   # 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 }
+  #
+  # INIT is now triggered before BIOS by ucode/hardware. In the OVMF
+  # environment, QEMU lacks a simulation for the INIT process.
+  # To address this, PcdFirstTimeWakeUpAPsBySipi set to FALSE to
+  # broadcast INIT-SIPI-SIPI for the first time.
+  #
+  gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|FALSE
 
 ################################################################################
 #

diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -566,6 +566,13 @@
 !if $(SOURCE_DEBUG_ENABLE) == TRUE
   gEfiSourceLevelDebugPkgTokenSpaceGuid.PcdDebugLoadImageMethod|0x2
 !endif
+  #
+  # INIT is now triggered before BIOS by ucode/hardware. In the OVMF
+  # environment, QEMU lacks a simulation for the INIT process.
+  # To address this, PcdFirstTimeWakeUpAPsBySipi set to FALSE to
+  # broadcast INIT-SIPI-SIPI for the first time.
+  #
+  gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|FALSE
 
 [PcdsFixedAtBuild.IA32]
   #

diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
@@ -615,6 +615,13 @@
 
   # 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 }
+  #
+  # INIT is now triggered before BIOS by ucode/hardware. In the OVMF
+  # environment, QEMU lacks a simulation for the INIT process.
+  # To address this, PcdFirstTimeWakeUpAPsBySipi set to FALSE to
+  # broadcast INIT-SIPI-SIPI for the first time.
+  #
+  gUefiCpuPkgTokenSpaceGuid.PcdFirstTimeWakeUpAPsBySipi|FALSE
 
 ################################################################################
 #