Hi,
I am trying to find the best way to debug EFI boot loaders at the
instruction level. I am trying to write one executed from an EFI shell that
passes off control to the Windows boot manager in Windows 8 (bootmgfw.efi)
and I seem to be unable to debug this binary as it passes off control to
winload.efi.
I have only been able to create a debug entry in Windows 8 to debug
winload.efi after the virtual memory mapping has already taken place with
the SetMemoryMap and ExitBootServices calls. I want to be able to debug
this whole boot process of a UEFI Windows installation started from an EFI
shell application.
Any insight would be appreciated. I have a Tunnel Mountain UEFI dev kit
system (with source-level debug ROM) and VMware with an EFI shell to play
with.
Thanks,
Nick
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