From: Thomas Barrett <tbarrett@crusoeenergy.com>

Without enabling PcdUse1GPageTable, CloudHv guests are limited
to a 40-bit address space, even if the hardware supports more.
This limits the amount of RAM to 1TiB of CloudHv guests.

Cc: Anatol Belski <anbelski@linux.microsoft.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jianyong Wu <jianyong.wu@arm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Rob Bradford <rbradford@rivosinc.com>
Signed-off-by: Thomas Barrett <tbarrett@crusoeenergy.com>
---
 OvmfPkg/CloudHv/CloudHvX64.dsc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/OvmfPkg/CloudHv/CloudHvX64.dsc b/OvmfPkg/CloudHv/CloudHvX64.dsc
index af594959a9..b522fa1059 100644
--- a/OvmfPkg/CloudHv/CloudHvX64.dsc
+++ b/OvmfPkg/CloudHv/CloudHvX64.dsc
@@ -566,6 +566,8 @@
   # 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 }
 
+  gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable|TRUE
+
 ################################################################################
 #
 # Pcd Dynamic Section - list of all EDK II PCD Entries defined by this Platform
-- 
2.34.1



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#113774): https://edk2.groups.io/g/devel/message/113774
Mute This Topic: https://groups.io/mt/103689733/1787277
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org]
-=-=-=-=-=-=-=-=-=-=-=-