Joe Benczarski 37678b0656
Support configurable RISC-V chip extension (#773)
* Support configurable RISC-V chip extension

Added the FREERTOS_RISCV_EXTENSION option to allow the user
to select which chip extension they want included. Removed the
port for pulpino to instead use the new option.

* Add port GCC_RISC_V_GENERIC and IAR_RISC_V_GENERIC

* Add two rics-v generic ports to support FREERTOS_RISCV_EXTENSION
  config

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Co-authored-by: Joe Benczarski <jbenczarski@trijicon.com>
Co-authored-by: chinglee-iot <61685396+chinglee-iot@users.noreply.github.com>
Co-authored-by: Ching-Hsin Lee <chinglee@amazon.com>
Co-authored-by: kar-rahul-aws <118818625+kar-rahul-aws@users.noreply.github.com>
Co-authored-by: Soren Ptak <ptaksoren@gmail.com>
2023-10-27 11:57:52 -07:00
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Each real time kernel port consists of three files that contain the core kernel
components and are common to every port, and one or more files that are
specific to a particular microcontroller and/or compiler.


+ The FreeRTOS/Source/Portable/MemMang directory contains the five sample
memory allocators as described on the https://www.FreeRTOS.org WEB site.

+ The other directories each contain files specific to a particular
microcontroller or compiler, where the directory name denotes the compiler
specific files the directory contains.



For example, if you are interested in the [compiler] port for the [architecture]
microcontroller, then the port specific files are contained in
FreeRTOS/Source/Portable/[compiler]/[architecture] directory.  If this is the
only port you are interested in then all the other directories can be
ignored.