diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c index 780348eadf..030a5baed9 100644 --- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c +++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c @@ -19,30 +19,6 @@ EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = { { EfiMaxMemoryType, 0 } }; -/** - Function to reserve memory below 4GB for EDKII Modules. - - This causes the DXE to dispatch everything under 4GB and allows Operating - System's that require EFI_LOADED_IMAGE to be under 4GB to start. - e.g. Xen hypervisor used in Qubes. -**/ -VOID -ForceModulesBelow4G ( - VOID - ) -{ - DEBUG ((DEBUG_INFO, "Building hob to restrict memory resorces to below 4G.\n")); - - // - // Create Memory Type Information HOB - // - BuildGuidDataHob ( - &gEfiMemoryTypeInformationGuid, - mDefaultMemoryTypeInformation, - sizeof (mDefaultMemoryTypeInformation) - ); -} - /** Callback function to build resource descriptor HOB @@ -472,10 +448,14 @@ _ModuleEntryPoint ( // Build other HOBs required by DXE BuildGenericHob (); - // Create a HOB to make resources for EDKII modules below 4G - if (!FixedPcdGetBool (PcdDispatchModuleAbove4GMemory)) { - ForceModulesBelow4G (); - } + // + // Create Memory Type Information HOB + // + BuildGuidDataHob ( + &gEfiMemoryTypeInformationGuid, + mDefaultMemoryTypeInformation, + sizeof (mDefaultMemoryTypeInformation) + ); // Load the DXE Core Status = LoadDxeCore (&DxeCoreEntryPoint); diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf index d47e8e76cf..e2af8a4b7c 100644 --- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf +++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf @@ -96,5 +96,3 @@ gEfiMdeModulePkgTokenSpaceGuid.PcdDxeNxMemoryProtectionPolicy ## SOMETIMES_CONSUMES gEfiMdeModulePkgTokenSpaceGuid.PcdImageProtectionPolicy ## SOMETIMES_CONSUMES - gUefiPayloadPkgTokenSpaceGuid.PcdDispatchModuleAbove4GMemory - diff --git a/UefiPayloadPkg/UefiPayloadPkg.dec b/UefiPayloadPkg/UefiPayloadPkg.dec index 7d61d6eeae..2ed7351370 100644 --- a/UefiPayloadPkg/UefiPayloadPkg.dec +++ b/UefiPayloadPkg/UefiPayloadPkg.dec @@ -82,9 +82,6 @@ gUefiPayloadPkgTokenSpaceGuid.PcdSystemMemoryUefiRegionSize|0x04000000|UINT32|0x gUefiPayloadPkgTokenSpaceGuid.PcdPcdDriverFile|{ 0x57, 0x72, 0xcf, 0x80, 0xab, 0x87, 0xf9, 0x47, 0xa3, 0xfe, 0xD5, 0x0B, 0x76, 0xd8, 0x95, 0x41 }|VOID*|0x00000018 -# Above 4G Memory -gUefiPayloadPkgTokenSpaceGuid.PcdDispatchModuleAbove4GMemory|TRUE|BOOLEAN|0x00000019 - # Boot Manager Key gUefiPayloadPkgTokenSpaceGuid.PcdBootManagerEscape|FALSE|BOOLEAN|0x00000020 diff --git a/UefiPayloadPkg/UefiPayloadPkg.dsc b/UefiPayloadPkg/UefiPayloadPkg.dsc index bca5d3f335..9847f189ff 100644 --- a/UefiPayloadPkg/UefiPayloadPkg.dsc +++ b/UefiPayloadPkg/UefiPayloadPkg.dsc @@ -34,7 +34,6 @@ DEFINE SECURITY_STUB_ENABLE = TRUE DEFINE SMM_SUPPORT = FALSE DEFINE PLATFORM_BOOT_TIMEOUT = 3 - DEFINE ABOVE_4G_MEMORY = TRUE DEFINE BOOT_MANAGER_ESCAPE = FALSE DEFINE ATA_ENABLE = TRUE DEFINE SD_ENABLE = TRUE @@ -442,7 +441,6 @@ !endif gEfiMdeModulePkgTokenSpaceGuid.PcdSdMmcGenericTimeoutValue|$(SD_MMC_TIMEOUT) - gUefiPayloadPkgTokenSpaceGuid.PcdDispatchModuleAbove4GMemory|$(ABOVE_4G_MEMORY) gUefiPayloadPkgTokenSpaceGuid.PcdBootManagerEscape|$(BOOT_MANAGER_ESCAPE) gEfiMdePkgTokenSpaceGuid.PcdMaximumUnicodeStringLength|1800000