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ADSP: Add dedicated platform module

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This commit is contained in:
Chris Wright
2022-03-24 11:35:40 +00:00
parent e9eabb0dcd
commit 87142bbd5f
12 changed files with 118 additions and 1 deletions
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8
Help/envvar/ADSP_ROOT.rst Normal file
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@@ -0,0 +1,8 @@
ADSP_ROOT
---------
.. include:: ENV_VAR.txt
The ``ADSP_ROOT`` environment variable specifies a default value
for the :variable:`CMAKE_ADSP_ROOT` variable when there is no explicit
configuration given on the first run while creating a new build tree.

1
Help/manual/cmake-env-variables.7.rst
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@@ -28,6 +28,7 @@ Environment Variables that Control the Build
.. toctree::
:maxdepth: 1
/envvar/ADSP_ROOT
/envvar/CMAKE_APPLE_SILICON_PROCESSOR
/envvar/CMAKE_BUILD_PARALLEL_LEVEL
/envvar/CMAKE_BUILD_TYPE

22
Help/manual/cmake-toolchains.7.rst
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@@ -301,6 +301,28 @@ Windows Store may look like this:
set(CMAKE_SYSTEM_NAME WindowsStore)
set(CMAKE_SYSTEM_VERSION 8.1)
.. _`Cross Compiling for ADSP SHARC/Blackfin`:
Cross Compiling for ADSP SHARC/Blackfin
---------------------------------------
Cross-compiling for ADSP SHARC or Blackfin can be configured
by setting the :variable:`CMAKE_SYSTEM_NAME` variable to ``ADSP``
and the :variable:`CMAKE_SYSTEM_PROCESSOR` variable
to the "part number", excluding the ``ADSP-`` prefix,
for example, ``21594``, ``SC589``, etc.
This value is case insensitive.
CMake will automatically search for CCES or VDSP++ installs
in their default install locations
and select the most recent version found.
CCES will be selected over VDSP++ if both are installed.
Custom install paths can be set via the :variable:`CMAKE_ADSP_ROOT` variable
or the :envvar:`ADSP_ROOT` environment variable.
The compiler (``cc21k`` vs. ``ccblkfn``) is selected automatically
based on the :variable:`CMAKE_SYSTEM_PROCESSOR` value provided.
.. _`Cross Compiling for Android`:
Cross Compiling for Android

1
Help/manual/cmake-variables.7.rst
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@@ -346,6 +346,7 @@ Variables that Control the Build
.. toctree::
:maxdepth: 1
/variable/CMAKE_ADSP_ROOT
/variable/CMAKE_AIX_EXPORT_ALL_SYMBOLS
/variable/CMAKE_ANDROID_ANT_ADDITIONAL_OPTIONS
/variable/CMAKE_ANDROID_API

6
Help/release/dev/adsp-platform-and-compilers.rst
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@@ -5,3 +5,9 @@ adsp-platform-and-compilers
both CCES and VDSP++ installations,
with required configuration now done in the compiler module itself
rather than the Generic-ADSP platform module.
* A dedicated ``ADSP`` platform has been added
to replace the existing ``Generic-ADSP`` implementation.
This features automatic detection of the latest CCES/VDSP++ install
and compiler selection (``cc21k`` vs. ``ccblkfn``)
based off of the :variable:`CMAKE_SYSTEM_PROCESSOR` variable.

9
Help/variable/CMAKE_ADSP_ROOT.rst Normal file
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CMAKE_ADSP_ROOT
---------------
When :ref:`Cross Compiling for ADSP SHARC/Blackfin`,
this variable holds the absolute path to the latest CCES or VDSP++ install.
The directory is expected to contain the ``cc21k.exe`` and ``ccblkfn.exe`` compilers.
This will be set automatically if a default install of CCES or VDSP++ can be found.
See also the :envvar:`ADSP_ROOT` environment variable.