diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2015-11-24 07:44:28 +0000 |
|---|---|---|
| committer | abiesheuvel <abiesheuvel@Edk2> | 2015-11-24 07:44:28 +0000 |
| commit | 7416fd46e330b4ffa7856754dd3f56991f4f67c9 (patch) | |
| tree | dc1222df6afa7c2729d99795ad7f8937485c7ef4 /ArmVirtPkg | |
| parent | 67b1c254dd17152d28933c5bf7fbefc53676d166 (diff) | |
| download | edk2-platforms-7416fd46e330b4ffa7856754dd3f56991f4f67c9.tar.xz | |
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
Diffstat (limited to 'ArmVirtPkg')
| -rw-r--r-- | ArmVirtPkg/ArmVirtQemu.dsc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ArmVirtPkg/ArmVirtQemu.dsc b/ArmVirtPkg/ArmVirtQemu.dsc index 995be89ef4..3e4dd229ed 100644 --- a/ArmVirtPkg/ArmVirtQemu.dsc +++ b/ArmVirtPkg/ArmVirtQemu.dsc @@ -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.
|