2020-06-16 01:52:23 +08:00
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.. _hv-parameters:
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ACRN Hypervisor Parameters
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##########################
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2021-02-13 08:27:24 +08:00
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Generic Hypervisor Parameters
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2020-06-16 01:52:23 +08:00
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*****************************
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The ACRN hypervisor supports the following parameter:
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+-----------------+-----------------------------+----------------------------------------------------------------------------------------+
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| Parameter | Value | Description |
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+=================+=============================+========================================================================================+
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2022-02-24 08:07:02 +08:00
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| | disabled | This value disables the serial port completely. |
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2020-06-16 01:52:23 +08:00
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| +-----------------------------+----------------------------------------------------------------------------------------+
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2022-02-24 08:07:02 +08:00
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| ``uart=`` | bdf@<BDF value> | This value sets the serial port PCI BDF (in HEX), for example, ``bdf@0xc1``. |
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2021-03-12 20:25:16 +08:00
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| | | |
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| | | BDF: Bus, Device, and Function (in HEX) of the serial PCI device. The BDF is packed |
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| | | into a 16-bit WORD with format (B:8, D:5, F:3). For example, PCI device ``0:18.1`` |
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2022-02-24 08:07:02 +08:00
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| | | becomes ``0xc1``. |
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2020-06-16 01:52:23 +08:00
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| +-----------------------------+----------------------------------------------------------------------------------------+
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2022-02-24 08:07:02 +08:00
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| | port@<port address> | This value sets the serial port PIO address, for example, ``uart=port@0x3F8``. |
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2021-03-05 21:12:58 +08:00
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| +-----------------------------+----------------------------------------------------------------------------------------+
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2022-02-24 08:07:02 +08:00
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| | mmio@<MMIO address> | This value sets the serial port MMIO address, for example, ``uart=mmio@0xfe040000``. |
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2020-06-16 01:52:23 +08:00
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+-----------------+-----------------------------+----------------------------------------------------------------------------------------+
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The Generic hypervisor parameters are specified in the GRUB multiboot/multiboot2 command.
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For example:
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2020-09-26 07:24:35 +08:00
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.. code-block:: none
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:emphasize-lines: 5
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2020-06-16 01:52:23 +08:00
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2020-09-26 07:24:35 +08:00
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menuentry 'Boot ACRN hypervisor from multiboot' {
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insmod part_gpt
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insmod ext2
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echo 'Loading ACRN hypervisor ...'
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2021-03-12 20:25:16 +08:00
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multiboot --quirk-modules-after-kernel /boot/acrn.32.out uart=bdf@0xc1
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2020-09-26 07:24:35 +08:00
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module /boot/bzImage Linux_bzImage
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module /boot/bzImage2 Linux_bzImage2
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}
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