On Fr, 2015-05-29 at 19:54 +0000, Ma, Maurice wrote: > Hi, Gerd, > > The current UEFI payload has an assumption that all interrupt sources will be > masked off before transferring to the UEFI payload. > In your case I saw the 8259 interrupts were unmasked before the handoff. > > I tried to add the following in the entry point of the CbSupportPei PEIM to > mask off the 8259 interrupt sources, and then it booted to EFI shell on Qemu. > IoWrite8 (0x21, 0xFF); > IoWrite8 (0xA1, 0xFF); > > Maybe we should add this in CorebootPayloadPkg and remove the assumption > mentioned above.
Sounds like a good idea from a robustness point of view. cheers, Gerd ------------------------------------------------------------------------------ _______________________________________________ edk2-devel mailing list edk2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/edk2-devel
