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doc: Update sdc reference in overview hld

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- Clarify that sdc predefined scenario is no longer supported
- Minor cleanup

Tracked-On: #6701
Signed-off-by: Reyes, Amy <amy.reyes@intel.com>
This commit is contained in:
Reyes, Amy 2022-03-21 20:23:03 -07:00 committed by David Kinder
parent 9197193e12
commit 4d49876366
1 changed files with 13 additions and 13 deletions
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26
doc/developer-guides/hld/hld-overview.rst
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@ -4,17 +4,17 @@ ACRN High-Level Design Overview
############################### ###############################
ACRN is an open-source reference hypervisor (HV) that runs on top of ACRN is an open-source reference hypervisor (HV) that runs on top of
:ref:`Intel platforms <hardware>` for heterogeneous scenarios such as the :ref:`Intel platforms <hardware>` for heterogeneous use cases such as
Software-defined Cockpit (SDC), or the In-vehicle Experience (IVE) for Software-defined Cockpit (SDC), or In-vehicle Experience (IVE) for
automotive, or HMI & real-time OS for industry. ACRN provides embedded automotive, or human-machine interface (HMI) and real-time OS for industry.
hypervisor vendors with a reference I/O mediation solution with a ACRN provides embedded hypervisor vendors with a reference I/O mediation
permissive license and provides auto makers and industry users a solution with a permissive license and provides auto makers and industry users a
reference software stack for corresponding use. reference software stack for corresponding use.
ACRN Supported Use Cases ACRN Use Cases
************************ **************
Software Defined Cockpit Software-Defined Cockpit
======================== ========================
The SDC system consists of multiple systems: the instrument cluster (IC) The SDC system consists of multiple systems: the instrument cluster (IC)
@ -51,15 +51,15 @@ a customized IC/IVI/RSE.
Industry Usage Industry Usage
============== ==============
A typical industry usage would include one Windows HMI + one RT VM: A typical industry usage includes one Windows HMI + one real-time VM (RTVM):
- Windows HMI as a guest OS with display to provide Human Machine Interface - Windows HMI as a guest OS with display to provide human-machine interface
- RT VM that runs a specific RTOS on it to handle - RTVM that runs a specific RTOS on it to handle
real-time workloads such as PLC control real-time workloads such as PLC control
ACRN supports a Windows* Guest OS for such HMI capability. ACRN continues to add ACRN supports a Windows* Guest OS for such HMI capability. ACRN continues to add
features to enhance its real-time performance to meet hard-RT key performance features to enhance its real-time performance to meet hard-RT key performance
indicators for its RT VM: indicators for its RTVM:
- Cache Allocation Technology (CAT) - Cache Allocation Technology (CAT)
- Memory Bandwidth Allocation (MBA) - Memory Bandwidth Allocation (MBA)
@ -139,7 +139,7 @@ differences compared to ACRN 1.0 are that:
- ACRN 2.0 adds a few necessary device emulations in the hypervisor, such as - ACRN 2.0 adds a few necessary device emulations in the hypervisor, such as
vPCI and vUART, to avoid interference between different VMs. vPCI and vUART, to avoid interference between different VMs.
- ACRN 2.0 supports an RT VM as a post-launched User VM, with features such as - ACRN 2.0 supports an RTVM as a post-launched User VM, with features such as
LAPIC passthrough and PMD virtio driver. LAPIC passthrough and PMD virtio driver.
.. figure:: images/over-image35.png .. figure:: images/over-image35.png