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doc: add missing 'mmio@' description to hypervisor parameters 

Add the 'mmio@' parameter to the document describing all the possible
values for 'uart='. This is the command-line argument passed to the
hypervisor in order to overwrite and/or set the serial port.

Tracked-On: #5820
Signed-off-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>
This commit is contained in:
Geoffroy Van Cutsem 2021-03-05 14:12:58 +01:00 committed by fitchbe
parent 453c76a6cd
commit d8c33e1342
1 changed files with 4 additions and 2 deletions
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6
doc/user-guides/hv-parameters.rst
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@ -13,9 +13,11 @@ The ACRN hypervisor supports the following parameter:
+=================+=============================+========================================================================================+
| | disabled | This disables the serial port completely. |
| +-----------------------------+----------------------------------------------------------------------------------------+
| ``uart=`` | bdf@<BDF value> | This sets the PCI serial port based on its BDF. e.g. ``bdf@0:18.1`` |
| ``uart=`` | bdf@<BDF value> | This sets the serial port PCI BDF, e.g. ``bdf@0:18.1`` |
| +-----------------------------+----------------------------------------------------------------------------------------+
| | port@<port address> | This sets the serial port address. |
| | port@<port address> | This sets the serial port PIO address, e.g. ``uart=port@0x3F8`` |
| +-----------------------------+----------------------------------------------------------------------------------------+
| | mmio@<MMIO address> | This sets the serial port MMIO address, e.g. ``uart=mmio@0xfe040000`` |
+-----------------+-----------------------------+----------------------------------------------------------------------------------------+
The Generic hypervisor parameters are specified in the GRUB multiboot/multiboot2 command.