diff options
Diffstat (limited to 'MdeModulePkg/Universal/Acpi')
3 files changed, 16 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf index 29af7f55ec..aac132122c 100644 --- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf +++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/BootScriptExecutorDxe.inf @@ -68,6 +68,7 @@ LockBoxLib
CpuExceptionHandlerLib
DevicePathLib
+ DxeServicesTableLib
[Guids]
gEfiBootScriptExecutorVariableGuid ## PRODUCES ## UNDEFINED # SaveLockBox
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c index 4545d6e581..263a282188 100644 --- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c +++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.c @@ -273,6 +273,7 @@ ReadyToLockEventNotify ( UINTN Pages;
EFI_PHYSICAL_ADDRESS FfsBuffer;
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
+ EFI_GCD_MEMORY_SPACE_DESCRIPTOR MemDesc;
Status = gBS->LocateProtocol (&gEfiDxeSmmReadyToLockProtocolGuid, NULL, &Interface);
if (EFI_ERROR (Status)) {
@@ -322,6 +323,19 @@ ReadyToLockEventNotify ( &FfsBuffer
);
ASSERT_EFI_ERROR (Status);
+
+ //
+ // Make sure that the buffer can be used to store code.
+ //
+ Status = gDS->GetMemorySpaceDescriptor (FfsBuffer, &MemDesc);
+ if (!EFI_ERROR (Status) && (MemDesc.Attributes & EFI_MEMORY_XP) != 0) {
+ gDS->SetMemorySpaceAttributes (
+ FfsBuffer,
+ EFI_PAGES_TO_SIZE (Pages),
+ MemDesc.Attributes & (~EFI_MEMORY_XP)
+ );
+ }
+
ImageContext.ImageAddress = (PHYSICAL_ADDRESS)(UINTN)FfsBuffer;
//
// Align buffer on section boundary
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.h b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.h index 75327569d7..94deae87e6 100644 --- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.h +++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/ScriptExecute.h @@ -38,6 +38,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include <Library/LockBoxLib.h>
#include <Library/CpuExceptionHandlerLib.h>
#include <Library/DevicePathLib.h>
+#include <Library/DxeServicesTableLib.h>
#include <Guid/AcpiS3Context.h>
#include <Guid/BootScriptExecutorVariable.h>
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