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Fix spelling and capitalization in `README.md` (#1182)

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Jordan Danford 2018-01-10 16:52:07 -07:00 committed by Megan Wachs
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@ -26,12 +26,12 @@ the RISC-V Rocket Core. For more information on Rocket Chip, please consult our
### Setting up the RISCV environment variable ### Setting up the RISCV environment variable
To build the rocket-chip repository, you must point the RISCV To build the rocket-chip repository, you must point the RISCV
environment variable to your riscv-tools installation directory. environment variable to your riscv-tools installation directory.
$ export RISCV=/path/to/riscv/toolchain/installation $ export RISCV=/path/to/riscv/toolchain/installation
The riscv-tools repository is already included in The riscv-tools repository is already included in
rocket-chip as a git submodule. You **must** build this version rocket-chip as a Git submodule. You **must** build this version
of riscv-tools: of riscv-tools:
$ cd rocket-chip/riscv-tools $ cd rocket-chip/riscv-tools
@ -80,7 +80,7 @@ And to run the assembly tests on the C simulator and generate waveforms:
$ make -jN run-asm-tests-debug $ make -jN run-asm-tests-debug
$ make -jN run-bmark-tests-debug $ make -jN run-bmark-tests-debug
To generate FPGA- or VLSI-synthesizable verilog (output will be in `vsim/generated-src`): To generate FPGA- or VLSI-synthesizable Verilog (output will be in `vsim/generated-src`):
$ cd vsim $ cd vsim
$ make verilog $ make verilog
@ -88,7 +88,7 @@ To generate FPGA- or VLSI-synthesizable verilog (output will be in `vsim/generat
### Keeping Your Repo Up-to-Date ### Keeping Your Repo Up-to-Date
If you are trying to keep your repo up to date with this github repo, If you are trying to keep your repo up to date with this GitHub repo,
you also need to keep the submodules and tools up to date. you also need to keep the submodules and tools up to date.
$ # Get the newest versions of the files in this repo $ # Get the newest versions of the files in this repo
@ -105,7 +105,7 @@ If riscv-tools version changes, you should recompile and install riscv-tools acc
## <a name="what"></a> What's in the Rocket chip generator repository? ## <a name="what"></a> What's in the Rocket chip generator repository?
The rocket-chip repository is a meta-repository that points to several The rocket-chip repository is a meta-repository that points to several
sub-repositories using [Git submodules](http://git-scm.com/book/en/Git-Tools-Submodules). sub-repositories using [Git submodules](http://git-scm.com/book/en/Git-Tools-Submodules).
Those repositories contain tools needed to generate and test SoC designs. Those repositories contain tools needed to generate and test SoC designs.
This respository also contains code that is used to generate RTL. This respository also contains code that is used to generate RTL.
Hardware generation is done using [Chisel](http://chisel.eecs.berkeley.edu), Hardware generation is done using [Chisel](http://chisel.eecs.berkeley.edu),
@ -142,12 +142,12 @@ floating-point conversions with different precision.
We tag a version of the RISC-V software ecosystem that works with the RTL committed in this repository. We tag a version of the RISC-V software ecosystem that works with the RTL committed in this repository.
* **torture** * **torture**
([https://github.com/ucb-bar/riscv-torture](https://github.com/ucb-bar/riscv-torture)): ([https://github.com/ucb-bar/riscv-torture](https://github.com/ucb-bar/riscv-torture)):
This module is used to generate and execture constrained random instruction streams that can This module is used to generate and execute constrained random instruction streams that can
be used to stress-test both the core and uncore portions of the design. be used to stress-test both the core and uncore portions of the design.
### <a name="what_packages"></a>Scala Packages ### <a name="what_packages"></a>Scala Packages
In addition to submodules that track independent git repositories, In addition to submodules that track independent Git repositories,
the rocket-chip code base is itself factored into a number of Scala packages. the rocket-chip code base is itself factored into a number of Scala packages.
These packages are all found within the src/main/scala directory. These packages are all found within the src/main/scala directory.
Some of these packages provide Scala utilities for generator configuration, Some of these packages provide Scala utilities for generator configuration,
@ -169,10 +169,10 @@ This RTL package contains implementations for peripheral devices, including the
This utility package extends Chisel by allowing for two-phase hardware elaboration, in which certain parameters This utility package extends Chisel by allowing for two-phase hardware elaboration, in which certain parameters
are dynamically negotiated between modules. For more information about diplomacy, see [this paper](https://carrv.github.io/papers/cook-diplomacy-carrv2017.pdf). are dynamically negotiated between modules. For more information about diplomacy, see [this paper](https://carrv.github.io/papers/cook-diplomacy-carrv2017.pdf).
* **groundtest** * **groundtest**
This RTL package generates synthesizeable hardware testers that emit randomized This RTL package generates synthesizable hardware testers that emit randomized
memory access streams in order to stress-tests the uncore memory hierarchy. memory access streams in order to stress-tests the uncore memory hierarchy.
* **jtag** * **jtag**
This RTL package provides definitions for generating JTAG bus interfaces. This RTL package provides definitions for generating JTAG bus interfaces.
* **regmapper** * **regmapper**
This utility package generates slave devices with a standardized interface for accessing their memory-mapped registers. This utility package generates slave devices with a standardized interface for accessing their memory-mapped registers.
* **rocket** * **rocket**
@ -189,7 +189,7 @@ of adapters and protocol converters.
This top-level utility package invokes Chisel to elaborate a particular configuration of a coreplex, This top-level utility package invokes Chisel to elaborate a particular configuration of a coreplex,
along with the appropriate testing collateral. along with the appropriate testing collateral.
* **unittest** * **unittest**
This utility package contains a framework for generateing synthesizeable hardware testers of individual modules. This utility package contains a framework for generateing synthesizable hardware testers of individual modules.
* **util** * **util**
This utility package provides a variety of common Scala and Chisel constructs that are re-used across This utility package provides a variety of common Scala and Chisel constructs that are re-used across
multiple other packages, multiple other packages,
@ -263,7 +263,7 @@ cores on your host system, do the following:
By doing so, the build system will generate C++ code for the By doing so, the build system will generate C++ code for the
cycle-accurate emulator, compile the emulator, compile all RISC-V cycle-accurate emulator, compile the emulator, compile all RISC-V
assembly tests and benchmarks, and run both tests and benchmarks on the assembly tests and benchmarks, and run both tests and benchmarks on the
emulator. If make finished without any errors, it means that the emulator. If Make finished without any errors, it means that the
generated Rocket chip has passed all assembly tests and benchmarks! generated Rocket chip has passed all assembly tests and benchmarks!
You can also run assembly tests and benchmarks separately: You can also run assembly tests and benchmarks separately:
@ -283,8 +283,8 @@ Or call out individual assembly tests or benchmarks:
$ make output/rv64ui-p-add.vcd $ make output/rv64ui-p-add.vcd
Now take a look in the emulator/generated-src directory. You will find Now take a look in the emulator/generated-src directory. You will find
Chisel generated verilog code and its associated C++ code generated by Chisel generated Verilog code and its associated C++ code generated by
verilator. Verilator.
$ ls $ROCKETCHIP/emulator/generated-src $ ls $ROCKETCHIP/emulator/generated-src
DefaultConfig.dts DefaultConfig.dts
@ -389,7 +389,7 @@ on your host machine):
$ cd $ROCKETCHIP/vsim $ cd $ROCKETCHIP/vsim
$ make -jN run $ make -jN run
The generated output looks similar to those generated from the emulator. The generated output looks similar to those generated from the emulator.
Look into vsim/output/\*.out for the output of the executed assembly Look into vsim/output/\*.out for the output of the executed assembly
tests and benchmarks. tests and benchmarks.