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authorGerd Hoffmann <kraxel@redhat.com>2021-09-08 11:01:12 +0200
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2021-10-05 10:55:39 +0000
commit8583b57c5cb3a7e752a25250b3f7406235802f05 (patch)
treee222d5c2c801f45ec2876289d08f215262980278
parent6a8e9ad24b64e221fb84ba3dbbaea1e716875b32 (diff)
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OvmfPkg/Microvm: PlatformPei/Platform memory map tweaks
Microvm needs ioapic hobs only. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3599 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Jiewen Yao <Jiewen.yao@intel.com>
-rw-r--r--OvmfPkg/PlatformPei/Platform.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
index d3a20122a2..d425a5c429 100644
--- a/OvmfPkg/PlatformPei/Platform.c
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -159,6 +159,12 @@ MemMapInitialization (
//
AddIoMemoryRangeHob (0x0A0000, BASE_1MB);
+ if (mHostBridgeDevId == 0xffff /* microvm */) {
+ AddIoMemoryBaseSizeHob (0xFEC00000, SIZE_4KB); /* ioapic #1 */
+ AddIoMemoryBaseSizeHob (0xFEC10000, SIZE_4KB); /* ioapic #2 */
+ return;
+ }
+
TopOfLowRam = GetSystemMemorySizeBelow4gb ();
PciExBarBase = 0;
if (mHostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID) {