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.. _generator-index:
Generators
============================
Generator can be thought of as a generalized RTL design, written using a mix of meta-programming and standard RTL.
A Generator can be thought of as a generalized RTL design, written using a mix of meta-programming and standard RTL.
This type of meta-programming is enabled by the Chisel hardware description language (see :ref:`Chisel`).
A standard RTL design is essentially just a single instance of a design coming from a generator.
However, by using meta-programming and parameter systems, generators can allow for integration of complex hardware designs in automated ways.
The following pages introduce the generators integrated with the Chipyard framework.
Chipyard bundles the source code for the generators, under the ``generators`` directory.
It builds them from source each time (although the build system will cache results if they have not changed),
so changes to the generators themselves will automatically be used when building with Chipyard and propagate to software simulation, FPGA-accelerated simulation, and VLSI flows.
.. toctree::
:maxdepth: 2
:caption: Generators:
Rocket-Chip
Rocket
BOOM
Hwacha
RocketChip
IceNet
TestChipIP
SiFive-Generators
SHA3