ovmf seems to not touch pam configuration, so rom remains mapped. seabios in contrast maps the address range to ram instead. IIRC ovmf does that too in CSM mode. So, yes, probably this is fixable in ovmf.
ovmf seems to not touch pam configuration, so rom remains mapped.
seabios in contrast maps the address range to ram instead.
IIRC ovmf does that too in CSM mode.
So, yes, probably this is fixable in ovmf.