On 03/19/2018 08:02 PM, mad.scientist.at.la...@tutanota.com wrote:
A virtual machine is useful largely because it isolates the VM from the real
hardware, therefore it's not likely you can update firmware from a VM (you
really shouldn't be able to).
Actually you can update firmware from a VM, I have done it many times on
many different PCI-e cards and I already updated the IR mode firmware to
the latest version in a linux VM (but you need DOS to go IR>IT)
It is part of the reason as to why SR-IOV was created besides the
performance benefits you also get security benefits with restricted
registers and the inability to flash a malicious firmware from a guest
if you attach a VF to the VM instead of the PF.
I don't have any UEFI machines as I hate UEFI (all my machines run
coreboot with the grub payload)
The reason they still want us to upgrade with dos is it's a lowest common
denominator, i.e. every one has it or can get it (freedos). it also helps that
it's a minimal enviroment.
In any case, I suggest you run a REAL freedos on a Real machine, so that you
can update real not virtual firmware. i.e. no Virtual Machine.
The issue is not being able to use linux as well and having a bare metal
freedos won't help my disk driver issue there still won't be a way to
load the files.
