Changeset 108794 in vbox for trunk/src/VBox/Devices/EFI/FirmwareNew/UefiPayloadPkg/UefiPayloadEntry/Ia32

Timestamp:

Mar 31, 2025 11:31:09 AM (4 weeks ago)

Author:

vboxsync

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

168237

Message:

Devices/EFI/FirmwareNew: Merge edk2-stable202502 from the vendor branch and make it build for the important platforms, bugref:4643

Location:

trunk/src/VBox/Devices/EFI/FirmwareNew

Files:

• . (modified) (1 prop)
• UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c (modified) (4 diffs)
• UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFuncFit.c (added)

trunk/src/VBox/Devices/EFI/FirmwareNew/UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c

@@ -16 +16 @@
 #include <Library/PcdLib.h>
 #include <Library/HobLib.h>
+#include <Library/FdtLib.h>
 #include "VirtualMemory.h"
 #include "UefiPayloadEntry.h"
@@ -21 +22 @@
 #define STACK_SIZE       0x20000
 #define IDT_ENTRY_COUNT  32
+
+extern VOID  *mHobList;
 
 typedef struct _X64_IDT_TABLE {
@@ -175 +178 @@
   // read-only.
   //
-  EnablePageTableProtection ((UINTN)PageMap, FALSE);
+  EnablePageTableProtection ((UINTN)PageMap, 3);
 
   return (UINTN)PageMap;
@@ -269 +272 @@
   X64_IDT_TABLE            *IdtTableForX64;
 
+  // Initialize floating point operating environment to be compliant with UEFI spec.
+  InitializeFloatingPointUnits ();
+
+  //
+  // Mask off all legacy 8259 interrupt sources
+  //
+  IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0xFF);
+  IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0xFF);
+
   //
   // Clear page 0 and mark it as allocated if NULL pointer detection is enabled.