Changeset 99499 in vbox for trunk/src/VBox/Devices/EFI

Timestamp:

Apr 21, 2023 8:29:45 AM (20 months ago)

Author:

vboxsync

Message:

Devices/EFI/Firmware: Refined workaround needed for old OS X boot loaders.

File:

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

-              r99404
+              r99499
    * This worked with 6.0 and earlier firmware because the variable store was much smaller (only 128KB)
    * which happened to work by accident.
+   *
+   * Update: We now allocate two pages, one code and one data. If only one page is allocated, it may
+   * be merged with the next allocation and defeat the workaround.
    */
   PeiServicesAllocatePages (EfiRuntimeServicesCode, 1, &Memory);
+  PeiServicesAllocatePages (EfiRuntimeServicesData, 1, &Memory);
 #endif

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