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govmm: Directly pass the firmware using -bios with TDX

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Since TDX doesn't support readonly memslot, TDVF cannot be mapped as
pflash device and it actually works as RAM. "-bios" option is chosen to
load TDVF.

OVMF is the opensource firmware that implements the TDVF support. Thus
the command line to specify and load TDVF is ``-bios OVMF.fd``

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2023-03-23 21:21:49 +01:00
parent 3c5ffb0c85
commit 3e15800199
1 changed files with 1 additions and 6 deletions
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7
src/runtime/pkg/govmm/qemu/qemu.go
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@ -348,12 +348,7 @@ func (object Object) QemuParams(config *Config) []string {
if object.Debug { if object.Debug {
objectParams = append(objectParams, "debug=on") objectParams = append(objectParams, "debug=on")
} }
deviceParams = append(deviceParams, string(object.Driver)) config.Bios = object.File
deviceParams = append(deviceParams, fmt.Sprintf("id=%s", object.DeviceID))
deviceParams = append(deviceParams, fmt.Sprintf("file=%s", object.File))
if object.FirmwareVolume != "" {
deviceParams = append(deviceParams, fmt.Sprintf("config-firmware-volume=%s", object.FirmwareVolume))
}
case SEVGuest: case SEVGuest:
fallthrough fallthrough
case SNPGuest: case SNPGuest: