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ArmVirtPkg/ArmVirtQemu: limit the (I)PA space to 40 bits 

KVM uses a fixed size of 40 bits for its intermediate physical address
space, so there is no need to support anything beyond that even if the
host hardware does.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Wei Huang <wei@redhat.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18928 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ard Biesheuvel 2015-11-24 07:44:28 +00:00 committed by abiesheuvel
parent 67b1c254dd
commit 7416fd46e3
1 changed files with 4 additions and 0 deletions
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ArmVirtPkg/ArmVirtQemu.dsc
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@ -165,6 +165,10 @@
[PcdsFixedAtBuild.AARCH64]
gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE
# KVM limits it IPA space to 40 bits (1 TB), so there is no need to
# support anything bigger, even if the host hardware does
gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize|40
[PcdsDynamicDefault.common]
## If TRUE, OvmfPkg/AcpiPlatformDxe will not wait for PCI
# enumeration to complete before installing ACPI tables.