Merge pull request #250 from mehnadnerd/master

Notes that building with macOS doesn't really work

docs/Chipyard-Basics/Initial-Repo-Setup.rst

@@ -1,6 +1,13 @@
 Initial Repository Setup
 ========================================================
 
+Requirements
+-------------------------------------------
+
+Chipyard is developed and tested on Linux-based systems.
+It is possible to use this on macOS or other BSD-based systems, although GNU tools will need to be installed; it is also recommended to install the RISC-V toolchain from ``brew``.
+Working under Windows is not recommended.
+
 Checking out the sources
 ------------------------
 
@@ -28,6 +35,6 @@ But to get a basic installation, just the following steps are necessary.
 
     ./scripts/build-toolchains.sh esp-tools # for a modified risc-v toolchain with Hwacha vector instructions
 
-Once the script is run, a ``env.sh`` file is emitted at sets the ``PATH``, ``RISCV``, and ``LD_LIBRARY_PATH`` environment variables.
+Once the script is run, a ``env.sh`` file is emitted that sets the ``PATH``, ``RISCV``, and ``LD_LIBRARY_PATH`` environment variables.
 You can put this in your ``.bashrc`` or equivalent environment setup file to get the proper variables.
 These variables need to be set for the make system to work properly.

docs/Quick-Start.rst

@@ -1,6 +1,13 @@
 Quick Start
 ===============================
 
+Requirements
+-------------------------------------------
+
+Chipyard is developed and tested on Linux-based systems.
+It is possible to use this on macOS or other BSD-based systems, although GNU tools will need to be installed; it is also recommended to install the RISC-V toolchain from ``brew``.
+Working under Windows is not recommended.
+
 Setting up the Chipyard Repo
 -------------------------------------------