Changeset 82249 in vbox for trunk/src/VBox/Devices/EFI/Firmware/OvmfPkg/PlatformPei/MemDetect.c

Timestamp:

Nov 27, 2019 6:18:11 PM (5 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

135067

Message:

EFI/Firmware: Relocate the DXE FV volume to the top of the RAM once the memory is initialized to not interfer with older OS X bootloaders which try to allocate memory in that area

File:

• trunk/src/VBox/Devices/EFI/Firmware/OvmfPkg/PlatformPei/MemDetect.c (modified) (2 diffs)

trunk/src/VBox/Devices/EFI/Firmware/OvmfPkg/PlatformPei/MemDetect.c

@@ -882 +882 @@
 
   if (mBootMode != BOOT_ON_S3_RESUME) {
+#ifndef VBOX
+    /*
+     * This is currently no required and interferes with older OS X bootloaders trying to
+     * allocate memory in that area. Needs to be revisited once we need this.
+     */
     if (!FeaturePcdGet (PcdSmmSmramRequire)) {
       //
@@ -903 +908 @@
         );
     }
+#endif
 
     if (FeaturePcdGet (PcdSmmSmramRequire)) {