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Docs: Shorten cmd:ref
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@ -9,7 +9,7 @@ The selection framework
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.. todo:: reduce overlap with :doc:`/getting_started/scripting_intro` select section
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The :cmd:ref:`select` command can be used to create a selection for subsequent
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The `select` command can be used to create a selection for subsequent
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commands. For example:
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.. code:: yoscrypt
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@ -17,7 +17,7 @@ commands. For example:
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select foobar # select the module foobar
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delete # delete selected objects
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Normally the :cmd:ref:`select` command overwrites a previous selection. The
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Normally the `select` command overwrites a previous selection. The
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commands :yoscrypt:`select -add` and :yoscrypt:`select -del` can be used to add
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or remove objects from the current selection.
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@ -26,16 +26,16 @@ default, which is a complete selection of everything in the current module.
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This selection framework can also be used directly in many other commands.
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Whenever a command has ``[selection]`` as last argument in its usage help, this
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means that it will use the engine behind the :cmd:ref:`select` command to
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means that it will use the engine behind the `select` command to
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evaluate additional arguments and use the resulting selection instead of the
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selection created by the last :cmd:ref:`select` command.
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selection created by the last `select` command.
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For example, the command :cmd:ref:`delete` will delete everything in the current
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For example, the command `delete` will delete everything in the current
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selection; while :yoscrypt:`delete foobar` will only delete the module foobar.
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If no :cmd:ref:`select` command has been made, then the "current selection" will
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If no `select` command has been made, then the "current selection" will
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be the whole design.
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.. note:: Many of the examples on this page make use of the :cmd:ref:`show`
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.. note:: Many of the examples on this page make use of the `show`
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command to visually demonstrate the effect of selections. For a more
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detailed look at this command, refer to :ref:`interactive_show`.
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@ -59,7 +59,7 @@ Module and design context
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^^^^^^^^^^^^^^^^^^^^^^^^^
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Commands can be executed in *module/* or *design/* context. Until now, all
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commands have been executed in design context. The :cmd:ref:`cd` command can be
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commands have been executed in design context. The `cd` command can be
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used to switch to module context.
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In module context, all commands only effect the active module. Objects in the
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@ -101,7 +101,7 @@ Operations on selections
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Combining selections
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^^^^^^^^^^^^^^^^^^^^
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The :cmd:ref:`select` command is actually much more powerful than it might seem
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The `select` command is actually much more powerful than it might seem
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at first glance. When it is called with multiple arguments, each argument is
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evaluated and pushed separately on a stack. After all arguments have been
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processed it simply creates the union of all elements on the stack. So
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@ -190,7 +190,7 @@ Selecting logic cones
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:numref:`sumprod_01` shows what is called the ``input cone`` of ``sum``, i.e.
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all cells and signals that are used to generate the signal ``sum``. The ``%ci``
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action can be used to select the input cones of all object in the top selection
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in the stack maintained by the :cmd:ref:`select` command.
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in the stack maintained by the `select` command.
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As with the ``%x`` action, these commands broaden the selection by one "step".
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But this time the operation only works against the direction of data flow. That
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@ -222,9 +222,9 @@ The following sequence of diagrams demonstrates this step-wise expansion:
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Notice the subtle difference between :yoscrypt:`show prod %ci` and
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:yoscrypt:`show prod %ci %ci`. Both images show the `$mul` cell driven by
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some inputs ``$3_Y`` and ``c``. However it is not until the second image,
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having called ``%ci`` the second time, that :cmd:ref:`show` is able to
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having called ``%ci`` the second time, that `show` is able to
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distinguish between ``$3_Y`` being a wire and ``c`` being an input. We can see
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this better with the :cmd:ref:`dump` command instead:
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this better with the `dump` command instead:
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.. literalinclude:: /code_examples/selections/sumprod.out
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:language: RTLIL
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@ -276,7 +276,7 @@ look at the first section:
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This loads :numref:`memdemo_src` and synthesizes the included module. Note that
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this code can be copied and run directly in a Yosys command line session,
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provided :file:`memdemo.v` is in the same directory. We can now change to the
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``memdemo`` module with ``cd memdemo``, and call :cmd:ref:`show` to see the
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``memdemo`` module with ``cd memdemo``, and call `show` to see the
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diagram in :numref:`memdemo_00`.
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.. figure:: /_images/code_examples/selections/memdemo_00.*
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@ -387,14 +387,14 @@ Storing and recalling selections
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The current selection can be stored in memory with the command ``select -set
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<name>``. It can later be recalled using ``select @<name>``. In fact, the
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``@<name>`` expression pushes the stored selection on the stack maintained by
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the :cmd:ref:`select` command. So for example :yoscrypt:`select @foo @bar %i`
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the `select` command. So for example :yoscrypt:`select @foo @bar %i`
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will select the intersection between the stored selections ``foo`` and ``bar``.
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In larger investigation efforts it is highly recommended to maintain a script
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that sets up relevant selections, so they can easily be recalled, for example
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when Yosys needs to be re-run after a design or source code change.
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The :cmd:ref:`history` command can be used to list all recent interactive
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The `history` command can be used to list all recent interactive
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commands. This feature can be useful for creating such a script from the
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commands used in an interactive session.
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