Updated README to reflect latest cahnges
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README.md
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README.md
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# DBT-RISE-RISCV
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# DBT-RISE-RISCV
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Am instruction set simulator based on DBT-RISE implementing the RISC-V ISA. The project is hosted at https://git.minres.com/DBT-RISE/DBT-RISE-RISCV .
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Core of an instruction set simulator based on DBT-RISE implementing the RISC-V ISA. The project is hosted at https://git.minres.com/DBT-RISE/DBT-RISE-RISCV .
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**DBT-RISE-RISCV README**
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This library provide the infrastructure to build RISC-V ISS. Currently part of the library are the following implementations adhering to version 2.2 of the 'The RISC-V Instruction Set Manual Volume I: User-Level ISA':
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This is work in progress, so use at your own risk. Goal is to implement an open-source ISS which can easily embedded e.g. into SystemC Virtual Prototypes. It used code generation to allow easy extension and adaptation of the used instruction.
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* RV32IMAC
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The RISC-V ISS reaches about 30MIPS running on Intel Core i7-2600K.
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* RV32GC
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* RC64I
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* RV64GC
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The implementation is based on LLVM 4.0. Eclipse CDT 4.7 (Oxygen) is recommended as IDE.
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All pass the respective compliance tests. Along with those ISA implementations there is a wrapper implementing the M/S/U modes inlcuding virtual memory management and CSRs as of privileged spec 1.10. The main.cpp in src allows to build a standalone ISS when integrated into a top-level project. For further information please have a look at [https://git.minres.com/VP/RISCV-VP](https://git.minres.com/VP/RISCV-VP).
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DBT-RISE-RISCV uses libGIS (https://github.com/vsergeev/libGIS) as well as ELFIO (http://elfio.sourceforge.net/), both under MIT license
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Last but not least an SystemC wrapper is provided which allows easy integration into SystemC based virtual platforms.
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**Planned features**
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Since DBT-RISE uses a generative approch other needed combinations or custom extension can be generated. For further information please contact [info@minres.com](mailto:info@minres.com).
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* add platform peripherals beyond programmers view to resemble E300 platform
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* ...
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* and more
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**Quick start**
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* you need to have a C++11 capable compiler, make, python, and cmake installed
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* install LLVM >= 4.0 according to http://apt.llvm.org/ (if it is not already provided by your distribution e.g by Ubuntu 18.04)
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* install conan.io (see also http://docs.conan.io/en/latest/installation.html):
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```
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pip install conan
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```
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* setup conan to use the minres repo:
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```
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conan remote add minres https://api.bintray.com/conan/minres/conan-repo
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conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
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```
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* checkout source from git
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* start an out-of-source build:
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```
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cd DBT-RISE-RiscV
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mkdir build
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cd build
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cmake ..
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cmake --build .
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```
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* if you encounter issues when linking wrt. c++11 symbols you might have run into GCC ABI incompatibility introduced from GCC 5.0 onwards. You can fix this by adding '-s compiler.libcxx=libstdc++11' to the conan call or changing compiler.libcxx to
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```
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compiler.libcxx=libstdc++11
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```
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in $HOME/.conan/profiles/default
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** Detailed Setup steps**
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*** prepare Ubuntu 18.04 ***
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```
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sudo apt-get install -y git python-pip build-essential cmake libloki-dev zlib1g-dev libncurses5-dev \
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libboost-dev libboost-program-options-dev libboost-system-dev libboost-thread-dev llvm-dev llvm-doc
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pip install --user conan
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```
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*** prepare Fedora 28 ***
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```
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#prepare system
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dnf install @development-tools gcc-c++ boost-devel zlib-devel loki-lib-devel cmake python2 python3 llvm-devel llvm-static
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#install conan
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pip3 install --user conan
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export PATH=${PATH}:$HOME/.local/bin
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```
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*** Build the ISS ***
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```
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# configure conan
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conan remote add minres https://api.bintray.com/conan/minres/conan-repo
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conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
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conan profile new default --detect
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# clone and build DBT-RISE-RISCV
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git clone --recursive https://github.com/Minres/DBT-RISE-RISCV.git
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cd DBT-RISE-RISCV/
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git checkout develop
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mkdir build;cd build
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MAKE_FLAGS="-j4" cmake ..
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make -j4
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```
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