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doc: Add ovmf option description

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Added ovmf NV storage writeback option "w" description and usage example.

Signed-off-by: Yang, Yu-chu <yu-chu.yang@intel.com>
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Yang, Yu-chu 2019-07-26 19:45:31 -07:00 committed by David Kinder
parent 9139f94ec9
commit d1c8a514f6
1 changed files with 9 additions and 1 deletions
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10
doc/user-guides/acrn-dm-parameters.rst
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@ -255,7 +255,7 @@ Here are descriptions for each of these ``acrn-dm`` command line parameters:
uses ``/usr/share/acrn/bios/VSBL.bin`` as the vSBL image
* - :kbd:`--ovmf <ovmf_file_path>`
* - :kbd:`--ovmf [w,]<ovmf_file_path>`
- Open Virtual Machine Firmware (OVMF) is an EDK II based project to enable
UEFI support for Virtual Machines.
@ -269,6 +269,14 @@ Here are descriptions for each of these ``acrn-dm`` command line parameters:
uses ``/usr/share/acrn/bios/OVMF.fd`` as the OVMF image
ACRN supports option "w" of OVMF. To preserve any change of OVMF NV data
store section, using this option to enable NV data store section writeback.
usage::
--ovmf w,/usr/share/acrn/bios/OVMF.fd
* - :kbd:`--virtio_poll <poll_interval>`
- Enable virtio poll mode with poll interval xxx ns.