This message seems to be from 'MdeModulePkg/Library/VarCheckUefiLib' but I'm using 'MdeModulePkg/Universal/Variable/RuntimeDxe/VarCheck.c'. Any hints on which lib should be used in which situation?
On Tue, Nov 3, 2015 at 2:30 PM, Zeng, Star <[email protected]> wrote: > I don’t think return status can give all the meaningful information. For > example, invalid parameter return status do not tell which parameter is > invalid. I think it is normal. > > > > Sometimes, there may be some debug information (to serial) for the cases. > > For this case you met, as I know, there should be some debug information > like “UEFI Variable Check fail %r - %s not in %g namespace” to indicate the > invalid parameter return status. > > > > Thanks, > > Star > > *From:* Michael Zimmermann [mailto:[email protected]] > *Sent:* Tuesday, November 3, 2015 9:12 PM > *To:* Zeng, Star > *Subject:* Re: [edk2] invalid_parameter when setting variable from > application > > > > thx a lot for this hint :) > > Is it normal, that the description of the return values of the SetVariable > function does not cover this case or is this a mistake?(or more general: do > return value specs only cover the most common cases?) > > > > > > On Tue, Nov 3, 2015 at 1:56 AM, Zeng, Star <[email protected]> wrote: > > On 2015/11/2 18:31, Michael Zimmermann wrote: > > Hi, > > I tried to set a > > 'EFI_VARIABLE_NON_VOLATILE|EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS' > variable from an UEFI application but SetVariable just returns invalid > parameter for some reason.(with the global GUID) > > > UEFI spec 3.3 says > > "To prevent name collisions with possible future globally defined > variables, other internal firmware > data variables that are not defined here must be saved with a unique > VendorGuid other than > EFI_GLOBAL_VARIABLE or any other GUID defined by the UEFI Specification. > > Implementations must only permit the creation of variables with a UEFI > Specification-defined > VendorGuid when these variables are documented in the UEFI Specification." > > If the variable UEFI application set is not defined in UEFI with the > global GUID, could you define a unique GUID for the special variable set in > your UEFI application? > > > Thanks, > Star > > > > > I'm setting the variable in the exact same way as other existing ones so > the only difference really is that I'm using another name. Do I have to > 'register' variables in the inf file before I can use it? The spec doesn't > really say sth. about SetVariable returning invalid_parameter for sth. like > that. > > I am using these packages: > MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf { > <LibraryClasses> > NULL|MdeModulePkg/Library/VarCheckUefiLib/VarCheckUefiLib.inf > } > > > > > _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
