Right. UEFI spec defines ExitData format that null terminated string + optional binary data.
> -----Original Message----- > From: David F. [mailto:[email protected]] > Sent: Wednesday, September 13, 2017 12:07 PM > To: Gao, Liming <[email protected]> > Cc: [email protected] > Subject: Re: [edk2] StartImage() return value an error or return code ? > > But what if you're running some unknown app that you don't know the > return code format in the ExitData? It seems to just read that the > ExitData will be some text followed by some binary data. > > On Mon, Sep 11, 2017 at 12:43 AM, Gao, Liming <[email protected]> wrote: > > Per UEFI spec, StartImage() has the optional output ExitData. If ExitData > > is not NULL, the exit status will be from the image. > > > >>-----Original Message----- > >>From: edk2-devel [mailto:[email protected]] On Behalf Of > >>David F. > >>Sent: Friday, September 08, 2017 2:53 PM > >>To: [email protected] > >>Subject: [edk2] StartImage() return value an error or return code ? > >> > >>Hi, > >> > >>Is there a way to tell if the return code from StartImage() is > >>actually an error from StartImage() vs the exit code of some > >>application (generic application that may return an error code value > >>but not set exitdata). It would seem to conflict with > >>EFI_INVALID_PARAMETER and EFI_SECURITY_VIOLATION so where actual > >>value came from is unknown? > >> > >>TIA!! > >>_______________________________________________ > >>edk2-devel mailing list > >>[email protected] > >>https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
