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MdeModulePkg/BmBoot: skip secondary eMMC entries

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Internal eMMC devices often show multiple entries, so skip
any after the initial entry.

Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
This commit is contained in:
Matt DeVillier
2020-04-04 16:59:54 -05:00
committed by Tim Crawford
parent 530cc53f96
commit a363907bc9
1 changed files with 13 additions and 0 deletions
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13
MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
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@ -2116,12 +2116,14 @@ BmEnumerateBootOptions (
EFI_BLOCK_IO_PROTOCOL *BlkIo; EFI_BLOCK_IO_PROTOCOL *BlkIo;
UINTN Removable; UINTN Removable;
UINTN Index; UINTN Index;
UINTN EmmcCount;
CHAR16 *Description; CHAR16 *Description;
ASSERT (BootOptionCount != NULL); ASSERT (BootOptionCount != NULL);
*BootOptionCount = 0; *BootOptionCount = 0;
BootOptions = NULL; BootOptions = NULL;
EmmcCount = 0;
// //
// Parse removable block io followed by fixed block io // Parse removable block io followed by fixed block io
@ -2160,6 +2162,17 @@ BmEnumerateBootOptions (
} }
Description = BmGetBootDescription (Handles[Index]); Description = BmGetBootDescription (Handles[Index]);
//
// Skip secondary entries for internal eMMC devices
//
if (StrCmp(Description, L"eMMC Device") == 0) {
EmmcCount++;
if (EmmcCount > 1) {
continue;
}
}
BootOptions = ReallocatePool ( BootOptions = ReallocatePool (
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount), sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount),
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1), sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) * (*BootOptionCount + 1),