Sean: You can implement the platform driver to install gEdkiiPlatformBootManagerProtocolGuid customize the boot option. This way doesn’t impact the generic UefiBootManagerLib. Thanks Liming 发件人: devel@edk2.groups.io 代表 Sean Rhodes 发送时间: 2022年3月21日 17:41 收件人: Sean Rhodes ; devel@edk2.groups.io 主题: Re: [edk2-devel] 回复: [edk2-devel] [PATCH 43/43] MdeModulePkg/BmBoot: skip secondary eMMC entries Hi Liming This is how the entries appear for multiple MMC drives. Can you advise how you'd like me to adjust the patch? Thanks Sean