spelling check | better heading for accelerators
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@@ -22,7 +22,7 @@ The X will be a number 0-3, and determines the opcode of the instruction, which
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The ``rd``, ``rs1``, and ``rs2`` fields are the register numbers of the destination register and two source registers.
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The ``funct`` field is a 7-bit integer that the accelerator can use to distinguish different instructions from each other.
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Note that communication through a RoCC interface requires a custom software toolchain, whereas MMIO peripherals can use that standard toolchain with approriate driver support.
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Note that communication through a RoCC interface requires a custom software toolchain, whereas MMIO peripherals can use that standard toolchain with appropriate driver support.
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Integrating into the Generator Build System
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-------------------------------------------
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@@ -138,7 +138,7 @@ For a simple memory-mapped peripheral, this just involves connecting the periphe
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Note that the ``PWMTL`` class we created from the register router is itself a ``LazyModule``.
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Register routers have a TileLike node simply named "node", which we can hook up to the Rocket Chip bus.
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Register routers have a TileLink node simply named "node", which we can hook up to the Rocket Chip bus.
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This will automatically add address map and device tree entries for the peripheral.
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The module implementation trait is where we instantiate our PWM module and connect it to the rest of the SoC.
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@@ -13,7 +13,7 @@ Chisel/FIRRTL
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One of the tools to help create new RTL designs quickly is the `Chisel Hardware Construction Language <https://chisel.eecs.berkeley.edu/>`__ and the `FIRRTL Compiler <https://freechipsproject.github.io/firrtl/>`__.
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Chisel is an embedded language within Scala that provides a set of libraries to help hardware designers create highly parameterizable RTL.
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FIRRTL on the other hand is a compiler for hardware which allows the user to run FIRRTL passes that can do dead code elimation, circuit analysis, connectivity checks, and much more!
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FIRRTL on the other hand is a compiler for hardware which allows the user to run FIRRTL passes that can do dead code elimination, circuit analysis, connectivity checks, and much more!
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These two tools in combination allow quick design space exploration and development of new RTL.
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Generators
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@@ -17,7 +17,7 @@ Processor Cores
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An out-of-order RISC-V core.
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See :ref:`Berkeley Out-of-Order Machine (BOOM)` for more information.
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Data-Parallel Accelerators
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Accelerators
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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**Hwacha**
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@@ -97,7 +97,7 @@ FireSim enables simulations at 1000x-100000x the speed of standard software simu
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This is enabled using FPGA-acceleration on F1 instances of the AWS (Amazon Web Services) public cloud.
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Therefore FireSim simulation requires to be set-up on the AWS public cloud rather than on our local development machine.
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To run an FPGA-accelerated simulation using FireSim, a we need to clone the REBAR repository (or our fork of the REBAR repository) to an AWS EC2, and follow the setup instructions specificied in the FireSim Initial Setup documentation page.
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To run an FPGA-accelerated simulation using FireSim, a we need to clone the REBAR repository (or our fork of the REBAR repository) to an AWS EC2, and follow the setup instructions specified in the FireSim Initial Setup documentation page.
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After setting up the FireSim environment, we now need to generate a FireSim simulation around our selected digital design.
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We will work from within the ``sims/firesim`` directory.
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@@ -3,7 +3,7 @@ Getting Started
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These guides will walk you through the basics of the REBAR framework:
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- First, we will go over the different configurations avaliable.
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- First, we will go over the different configurations available.
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- Then, we will walk through adding a custom accelerator.
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