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[v2,17/31] OvmfPkg/XenPlatformPei: Reserve hvmloader's memory only when it as runned

Message ID 20190408142408.30419-18-anthony.perard@citrix.com (mailing list archive)
State Superseded
Headers show
Series Specific platform to run OVMF in Xen PVH and HVM guests | expand

Commit Message

Anthony PERARD April 8, 2019, 2:23 p.m. UTC 
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
 OvmfPkg/XenPlatformPei/Xen.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/OvmfPkg/XenPlatformPei/Xen.c b/OvmfPkg/XenPlatformPei/Xen.c
index 89933ec3e9..22c7a22c88 100644
--- a/OvmfPkg/XenPlatformPei/Xen.c
+++ b/OvmfPkg/XenPlatformPei/Xen.c
@@ -275,7 +275,9 @@  InitializeXen (
   // Reserve away HVMLOADER reserved memory [0xFC000000,0xFD000000).
   // This needs to match HVMLOADER RESERVED_MEMBASE/RESERVED_MEMSIZE.
   //
-  AddReservedMemoryBaseSizeHob (0xFC000000, 0x1000000, FALSE);
+  if (XenHvmloaderDetected ()) {
+    AddReservedMemoryBaseSizeHob (0xFC000000, 0x1000000, FALSE);
+  }
 
   PcdStatus = PcdSetBoolS (PcdPciDisableBusEnumeration, TRUE);
   ASSERT_RETURN_ERROR (PcdStatus);