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Firmware Update

The update process of Dasharo OVMF firmware on QEMU Q35 does not need any special actions. QEMU Q35 is an emulated platform, not real hardware.

Updating the Dasharo OVMF firmware is as simple as invoking a QEMU command with a newer OVMF*.fd files:

qemu-system-x86_64 -machine q35,smm=on \
    -global driver=cfi.pflash01,property=secure,value=on \
    -drive if=pflash,format=raw,unit=0,file=Build/OvmfX64/RELEASE_GCC5/FV/OVMF_CODE.fd,readonly=on \
    -drive if=pflash,format=raw,unit=1,file=Build/OvmfX64/RELEASE_GCC5/FV/OVMF_VARS.fd \
    -debugcon file:debug.log -global isa-debugcon.iobase=0x402 \
    -global ICH9-LPC.disable_s3=1