It is not just C, I think nearly all programming languages that have ternary operator use C-like order: https://en.wikipedia.org/wiki/%3F: I mean UEFI spec can define that '+' actually means '-', but

You can specify this question with INTERACTIVE flag, then handle write operation in Callback. If so, you don't depend on write. > -----邮件原件----- > 发件人: discuss@edk2.groups.io <discuss@edk2.groups.io>

VFR syntax exactly matches this opcode definition in UEFI spec. It is not same to C language ? expression. Thanks Liming > -----邮件原件----- > 发件人: discuss@edk2.groups.io <discuss@edk2.groups.io> 代表 > Ko

Hello! With the `write` keyword it is possible to set callback code for question set. Is it possible to execute this callback only if some condition is satisfied? I've tried to use `disableif` stateme

Hello! Can someone explain what is wrong with this code? The intention is this: - if option3 is selected, numeric value is always equal 20 and user can't change it - if option1 or option2 is selected,

Hello folks, I am running the SBSA Conformance Suite of tests on a new platform, and have come across an issue with the routine which tests if an interrupt is enabled on an ARM processor. The routine

Hello whoever this may concern, I am new to UEFI and I have been playing with edk2 for a bit now. I eventually want to use UEFI to talk to a device via I2C communication protocol. I am able to find wh

Hi all, I'm trying to write generic EFI code that wires up `printf` to both SIMPLE_TEXT_OUTPUT_PROTOCOL and SERIAL_IO_PROTOCOL when present. However, at least on QEMU, doing this in the naive way resu

Hello All With mention patch and firmware update scenario.. am seeing issues like 'Invalid params' , any inputs would be appreciated, thanks! https://www.mail-archive.com/edk2-devel@.../msg12231.html

Hi all, I'm trying to write generic EFI code that wires up `printf` to both SIMPLE_TEXT_OUTPUT_PROTOCOL and SERIAL_IO_PROTOCOL when present. However, at least on headless QEMU, doing this in the naive

Hi all, I'm noticing the following (unspec'd?) behaviour in a shell-run application with the handling of the EFI_SHELL_PARAMETERS_PROTOCOL: * It gets opened with (Handle, AgentHandle, ControllerHandle

Hi all, I'm noticing the following (unspec'd?) behaviour in a shell-run application with the handling of the EFI_SHELL_PARAMETERS_PROTOCOL: * It gets opened with (Handle, AgentHandle, ControllerHandle

Hi y'all, I'm Dionna. I work at Google on Confidential VMs. I've been following the lazy accept patch series for TDVF. Min Xu has seen me fork it in an RFC to AMD's OVMF. What I'm wondering about is T

Hi Team, I'm new to Edk2 platform. I am trying to write simple program to display available Wifi network in Uefi Shell. I'm trying to load gEfiWiFi2ProtocolGuid Protocol using *LocateProtocol* functio

I don't get this one ... The error message says that there is a file name case mismatch, but I don't see any mismatch. The only thing I see is that there is the "2/" which seems to be to much in the s

Hi all, I compiled Vlv2TbltDevicePkg in Windows 10 and operated according to the following URL: https://github.com/tianocore/edk2-platforms/tree/master/Platform/Intel/Vlv2TbltDevicePkg The compiled co

Hi all, I currently work on integrate the edk2 build within a buildsystem. I startet with the docu, made manual builds and wrote me a bash script to automate the steps. Worked all very well. The first

Hi all, I currently work on integrate the edk2 build within a buildsystem. I startet with the docu, made manual builds and wrote me a bash script to automate the steps. Worked very well till now. Then

Hi all, We are planning to develop UEFI capsule F/W update, and we have seen \FmpDevicePkg\FmpDxe and MdeModulePkg\Application\CapsuleApp in https://github.com/tianocore/edk2. The examples are both re

Hi All, We are working on a hypervisor for x86_64 and we brought up OVMF on our hypervisor. Our hypervisor pass through whole hardware i.e. whole PCI devices starting from root ports to all devices. I