Hello! I was investigating the EFI_CONFIG_KEYWORD_HANDLER_PROTOCOL and it looks like the syntax for the <KeywordRequest> listed in the UEFI specification is not fully supported. (Unified Extensible Fi

Hi Experts, I am trying to understand UEFI task priority UEFI documentation says there are three levels of execution TPL_APPLICATION, TPL_CALLBACK and TPL_NOTIFY. What I understood there are two execu

Hi，all UefiDevicePathLibCreateDeviceNode may return NULL when NodeLength is smaller than a device path header or there is not enough memory to allocate. But after calling UefiDevicePathLibCreateDevice

UEFI specification states that there is a way to work with HII data from the OS (section "OS Runtime Utilization"), i.e. it is possible to create a form browser application and read/modify platform HI

Hello! I've noticed that the EFI_HII_CONFIG_ROUTING_PROTOCOL.ExportConfig() function doesn't dump configurations for efivarstorage's. But at the same time it is possible to get these configurations wi

Hello! I'm trying to understand the usage of `[DefaultStores]` in the DSC file. For example: ``` [DefaultStores] 0|STANDARD 1|MANUFACTURING ``` Is this `DefaultStores` mechanics connected with the `de

Hi all, My platform information is as follows: Minnowboard Max. I use i2cdetect under Linux to detect multiple I2c buses, such as: I2c-0 Synopsys DesignWare I2C adapter I2c-10 SMBus I801 adapter at 20

Hi all, I use the \MdeModulePkg\Bus\I2c\I2cDxe driver and load the driver with the following command: load I2cDxe.efi As a result, both I2cHostDriverSupported and I2cBusDriverSupported get the returne

Yes. Architectural protocol is mandatory in UEFI implementation. Edk2 is UEFI implementation. Thanks Liming > -----邮件原件----- > 发件人: discuss@edk2.groups.io <discuss@edk2.groups.io> 代表 Fabrice > DECROP

Hi, To my understanding, Real Time Clock Dxe driver is part of what is called “Architetural Protocol”. My question is : Are Architectural protocol mandatory in order to complete the boot of EDK2 ? Doe

Hello! I was reading about UEFI capsule update, and as I understood it correctly OS saves new BIOS image into DRAM and passes a pointer to the new image via NVRAM variable. Then the OS causes system r

Hi. I have an Intel DQ57TM. It's running the original Tunnel Mountain UEFI development firmware (SDV.TM.B12) Basically what is discussed in the following: https://uefi.org/sites/default/files/resource

Hello all, My team is attempting to develop a way for our device firmware to update in the UEFI space. It seems to us that capsules are the standard procedure. I'm finding a lot of information about c

Hello, I am looking to submit a patch to EDK2 and I just wanted to make sure I do things correctly. From what I can tell in the contributing wiki I can create PR on github to test things, but I also n

I'm submitting a PR for EDK2 to add 1 new file and edit 6 existing files. The 6 existing files all pass all checks and tests. The 1 new file had a error from patchchecker python script for LF on all l

Hey there folks. I'd like to make a formal bugreport on Bugzilla, but as I'm new to this project, I can't have an account yet. So, I'm writing here. What I am attempting to do: boot a system via PXE-I

There is has an example of I2cDxe driver in edk2, the path is \MdeModulePkg\Bus\I2c\I2cDxe. However, I can't find an I2C example related to the app. I use the following function, try to get the I2C ha

Hello, Don't really know whether similar issue was already reported in the past, but: I faced it while was following through the arcticle "How to debug OVMF with QEMU using WinDbg" (https://github.com

The secure boot framework finally invokes PKCS7_verify() of OpenSSL. It has been verified that PKCS7_verify() does not support verifying the contents of an RSA-PSS signature. The CMS_verify() interfac

The secure boot framework finally invokes PKCS7_verify() of OpenSSL. It has been verified that PKCS7_verify() does not support verifying the contents of an RSA-PSS signature. The CMS_verify() interfac