This Pcd is used to toggle whether ExitBootServices should not accept all unaccepted memory. It's the loaded image's responsibility to enable support so that it doesn't get memory types it doesn't understand in its memory map.
Cc: Gerd Hoffmann <[email protected]> Cc: James Bottomley <[email protected]> Cc: Jiewen Yao <[email protected]> Cc: Tom Lendacky <[email protected]> Cc: Ard Biesheuvel <[email protected]> Signed-off-by: Dionna Glaze <[email protected]> --- MdeModulePkg/MdeModulePkg.dec | 6 ++++++ MdeModulePkg/MdeModulePkg.uni | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index 58e6ab0048..dd07b3725a 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -2102,6 +2102,12 @@ # @Prompt The shared bit mask when Intel Tdx is enabled. gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask|0x0|UINT64|0x10000025 + ## Indicates if the memory map may include unaccepted memory after ExitBootServices().<BR><BR> + # TRUE - The memory map may include unaccepted memory after ExitBootServices().<BR> + # FALSE - The memory map may not include unaccepted memory after ExitBootServices().<BR> + # @Prompt Support unaccepted memory type. + gEfiMdeModulePkgTokenSpaceGuid.PcdEnableUnacceptedMemory|FALSE|BOOLEAN|0x10000026 + [PcdsPatchableInModule] ## Specify memory size with page number for PEI code when # Loading Module at Fixed Address feature is enabled. diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni index 33ce9f6198..fde57da123 100644 --- a/MdeModulePkg/MdeModulePkg.uni +++ b/MdeModulePkg/MdeModulePkg.uni @@ -1338,3 +1338,9 @@ #string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdPcieResizableBarSupport_HELP #language en-US "Indicates if the PCIe Resizable BAR Capability Supported.<BR><BR>\n" "TRUE - PCIe Resizable BAR Capability is supported.<BR>\n" "FALSE - PCIe Resizable BAR Capability is not supported.<BR>" + +#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdEnableUnacceptedMemory_PROMPT #language en-US "Support unaccepted memory type" +#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdEnableUnacceptedMemory_HELP #language en-US "Indicates if the memory map may include unaccepted memory " + "after ExitBootServices().<BR><BR>\n" + "TRUE - The memory map may include unaccepted memory after ExitBootServices().<BR>\n" + "FALSE - The memory map may not include unaccepted memory after ExitBootServices().<BR>\n" -- 2.37.3.998.g577e59143f-goog -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#94470): https://edk2.groups.io/g/devel/message/94470 Mute This Topic: https://groups.io/mt/93975247/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
