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Clarification on the LocateDevicePath behavior
3 messages
Hello, there is a nice requirement for the Boot Manager to understand relative Device Paths, i.e. starting with an HD() node, so that it's still possible to find the loader if the disk has been moved
Hello, there is a nice requirement for the Boot Manager to understand relative Device Paths, i.e. starting with an HD() node, so that it's still possible to find the loader if the disk has been moved
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By
valerij zaporogeci
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initialize an I2c device during boot
6 messages
Hi, I am new to uefi. We need to send a command to an I2c device during boot. I have read through the documentation but have not been able to get a driver working to perform this function. Is there an
Hi, I am new to uefi. We need to send a command to an I2c device during boot. I have read through the documentation but have not been able to get a driver working to perform this function. Is there an
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By
malcolm.mcdowell@...
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How to pass load options to a QEMU UEFI guest via -fw_cfg.
Oh and Josh could you please file a BZ to document this, for the next person… https://bugzilla.tianocore.org/ Thanks, Andrew Fish
Oh and Josh could you please file a BZ to document this, for the next person… https://bugzilla.tianocore.org/ Thanks, Andrew Fish
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Andrew Fish
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How to pass load options to a QEMU UEFI guest via -fw_cfg.
The other thing to look at is the history of that lib: git log -- OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.c But I still can’t find a reference for the bootorder file layout. Thanks, Andrew F
The other thing to look at is the history of that lib: git log -- OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.c But I still can’t find a reference for the bootorder file layout. Thanks, Andrew F
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By
Andrew Fish
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How to pass load options to a QEMU UEFI guest via -fw_cfg
6 messages
Hi all, I am working on a project in which we are attempting to boot a non-Linux QEMU guest through UEFI, for both x86-64 and arm64. This works fine, except for the fact that we are having difficulty
Hi all, I am working on a project in which we are attempting to boot a non-Linux QEMU guest through UEFI, for both x86-64 and arm64. This works fine, except for the fact that we are having difficulty
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By
Joshua Seaton
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How to access EFI variables from MMI Handler
2 messages
I registered a root MMI handler and it's already working, my code is executed when SMI occurs and just prints something to QEMU DEBUG. As a next step, I'm trying to access gRT->GetVariable inside my r
I registered a root MMI handler and it's already working, my code is executed when SMI occurs and just prints something to QEMU DEBUG. As a next step, I'm trying to access gRT->GetVariable inside my r
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By
asallan3@...
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Missing barrier when switching stack
14 messages
I am observing weirdness in PeiCheckAndSwitchStack() when SecCoreData is offset twice. Since the produced physical address is beyond 2GB and there is no any other memory region, this becomes unassigne
I am observing weirdness in PeiCheckAndSwitchStack() when SecCoreData is offset twice. Since the produced physical address is beyond 2GB and there is no any other memory region, this becomes unassigne
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By
Alexey Kardashevskiy
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ShellPkg TFTP Command Embedding
Hi everyone, I've been trying to integrate the tftp command into the shell.efi built from the ShellPkg without success and was hoping you could shed some light on a proper solution. The use case is us
Hi everyone, I've been trying to integrate the tftp command into the shell.efi built from the ShellPkg without success and was hoping you could shed some light on a proper solution. The use case is us
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By
corey.breit@...
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iBFT is not updated when doing iSCSI boot from OVMF / UEFI, but is updated if iSCSI boot is initiated by iPXE
Hello, I'm trying to do iSCSI boot using libVirt and OVMF / UEFI. If I configure iSCSI target in UEFI iSCSI menu - it boots but won't mount root filesystem because iBFT information is not updated by O
Hello, I'm trying to do iSCSI boot using libVirt and OVMF / UEFI. If I configure iSCSI target in UEFI iSCSI menu - it boots but won't mount root filesystem because iBFT information is not updated by O
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By
Alex Rainchik
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Arrange meeting for discussing adding SBOM
4 messages
Hello I'm the author of the patch https://edk2.groups.io/g/rfc/topic/91525213 that adds SBOM metadata to the efi binaries. After joining one of Monday's CI/Basetools meetings, Michael suggested to me
Hello I'm the author of the patch https://edk2.groups.io/g/rfc/topic/91525213 that adds SBOM metadata to the efi binaries. After joining one of Monday's CI/Basetools meetings, Michael suggested to me
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By
Martin Fernandez
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linking a external static library into UEFI application
I am working with a UEFI APPLICATION and am trying to link an externally built static library. The static library is build with VS2019/2017, the same with my UEFI application. I have attempted to use
I am working with a UEFI APPLICATION and am trying to link an externally built static library. The static library is build with VS2019/2017, the same with my UEFI application. I have attempted to use
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By
蒋国兵
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Boot Order not persistent : UEFI variables not getting stored in NVRAM disk ?
Hi EDK2 community, I have a used case, where I am trying to change boot order for multiboot (multiple OS) systems and for singleboot systems. I was able to change the boot order and set auto boot time
Hi EDK2 community, I have a used case, where I am trying to change boot order for multiboot (multiple OS) systems and for singleboot systems. I was able to change the boot order and set auto boot time
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By
het.gala@...
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[edk2toolext] How to ignore ext_dep files
3 messages
Hi everyone, I am looking for a good way to keep stuart_update from downloading (some) external dependencies. I want to make use of the tools provided by the system instead. Until now I just deleted t
Hi everyone, I am looking for a good way to keep stuart_update from downloading (some) external dependencies. I want to make use of the tools provided by the system instead. Until now I just deleted t
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By
Oliver Steffen
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Is there a way to dynamically add forms to the formset?
Hello! Is there a way to dynamically add forms to the formset? Usually dynamic content is created with the help of a 'label' keyword. But it looks like it is not possible to use it outside of the form
Hello! Is there a way to dynamically add forms to the formset? Usually dynamic content is created with the help of a 'label' keyword. But it looks like it is not possible to use it outside of the form
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By
Konstantin Aladyshev
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Follow-up for the issue about DSC LibraryClass precedence rule
3 messages
Bob, how long would it take to resolve a tool issue if all users use base tool from pip? Sent: Saturday, October 8, 2022 10:39 AM To: Feng, Bob C <bob.c.feng@...>; discuss@edk2.groups.io Cc: Kinney, M
Bob, how long would it take to resolve a tool issue if all users use base tool from pip? Sent: Saturday, October 8, 2022 10:39 AM To: Feng, Bob C <bob.c.feng@...>; discuss@edk2.groups.io Cc: Kinney, M
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By
Ni, Ray
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date and time VFR elements don't support generic question flags
According to the UEFI specification EFI_IFR_DATE and EFI_IFR_TIME are just generic types of questions that by default have no relation to the system Date/Time. Shouldn't EDKII support it like that? Be
According to the UEFI specification EFI_IFR_DATE and EFI_IFR_TIME are just generic types of questions that by default have no relation to the system Date/Time. Shouldn't EDKII support it like that? Be
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By
Konstantin Aladyshev
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Memory leak in the BootManager code
2 messages
I'm not just asking about the fact that the dynamically allocated 'HelpString' must be freed, i.e. this: ``` HelpString = AllocateZeroPool (...); HiiSetString(HiiHandle, 0, HelpString, NULL) FreePool(
I'm not just asking about the fact that the dynamically allocated 'HelpString' must be freed, i.e. this: ``` HelpString = AllocateZeroPool (...); HiiSetString(HiiHandle, 0, HelpString, NULL) FreePool(
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By
Konstantin Aladyshev
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How to use `refreshguid` in VFR?
Thanks for your response! Yes, I saw that example and it works fine. But there is a difference between the 'DriverSampleDxe' approach and my code: - 'DriverSampleDxe' registers event that is triggered
Thanks for your response! Yes, I saw that example and it works fine. But there is a difference between the 'DriverSampleDxe' approach and my code: - 'DriverSampleDxe' registers event that is triggered
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By
Konstantin Aladyshev
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回复: [edk2-discuss] How to use `refreshguid` in VFR?
RefreshGuid event is required to trig by hand. You can see the example in MdeModulePkg\Universal\DriverSampleDxe questionid 0x1247. Its OPEN call back calls InternalStopMonitor() to register CTRL + 'c
RefreshGuid event is required to trig by hand. You can see the example in MdeModulePkg\Universal\DriverSampleDxe questionid 0x1247. Its OPEN call back calls InternalStopMonitor() to register CTRL + 'c
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By
gaoliming
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回复: Follow-up for the issue about DSC LibraryClass precedence rule
Bob: This is a good enhancement in BaseTools development process. Will you also update TianoCore Wiki? Thanks Liming 发件人: Feng, Bob C <bob.c.feng@...> 发送时间: 2022年10月2日 23:01 收件人: discuss@edk2.groups.i
Bob: This is a good enhancement in BaseTools development process. Will you also update TianoCore Wiki? Thanks Liming 发件人: Feng, Bob C <bob.c.feng@...> 发送时间: 2022年10月2日 23:01 收件人: discuss@edk2.groups.i
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By
gaoliming
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