mirror of https://github.com/acidanthera/audk.git
MdeModulePkg/UefiBootManagerLib: Generate boot description for SD/eMMC
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=620 Adds the support for SD/eMMC device path to show as a boot option. The CID register content (returned from DiskInfo->Inquiry) seems do not provide very useful/readable 'OEM/Application ID' and 'Product name' field. For SD devices, the OID is a 2-character ASCII string and the Product name is a 5-character ASCII string. For eMMC devices, the OID is an 8-bit binary number and the Product name is a 6-character ASCII string. These strings are relatively short and do not provide a very readable description. Hence, this commit uses general 'SD (eMMC) Device' for the boot option description. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
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MdeModulePkg/Library/UefiBootManagerLib
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@ -155,6 +155,7 @@ BmGetDescriptionFromDiskInfo (
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CONST UINTN SerialNumberLength = 20;
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CHAR8 *StrPtr;
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UINT8 Temp;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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Description = NULL;
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@ -229,6 +230,28 @@ BmGetDescriptionFromDiskInfo (
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BmEliminateExtraSpaces (Description);
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}
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} else if (CompareGuid (&DiskInfo->Interface, &gEfiDiskInfoSdMmcInterfaceGuid)) {
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DevicePath = DevicePathFromHandle (Handle);
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if (DevicePath == NULL) {
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return NULL;
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}
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while (!IsDevicePathEnd (DevicePath) && (DevicePathType (DevicePath) != MESSAGING_DEVICE_PATH)) {
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DevicePath = NextDevicePathNode (DevicePath);
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}
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if (IsDevicePathEnd (DevicePath)) {
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return NULL;
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}
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if (DevicePathSubType (DevicePath) == MSG_SD_DP) {
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Description = L"SD Device";
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} else if (DevicePathSubType (DevicePath) == MSG_EMMC_DP) {
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Description = L"eMMC Device";
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} else {
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return NULL;
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}
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Description = AllocateCopyPool (StrSize (Description), Description);
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}
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return Description;
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@ -91,6 +91,7 @@
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gEfiDiskInfoAhciInterfaceGuid ## SOMETIMES_CONSUMES ## GUID
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gEfiDiskInfoIdeInterfaceGuid ## SOMETIMES_CONSUMES ## GUID
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gEfiDiskInfoScsiInterfaceGuid ## SOMETIMES_CONSUMES ## GUID
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gEfiDiskInfoSdMmcInterfaceGuid ## SOMETIMES_CONSUMES ## GUID
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[Protocols]
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gEfiPciRootBridgeIoProtocolGuid ## CONSUMES
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