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VexRiscv
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script about gcc prebuild version

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Dolu1990 2017-08-17 02:46:12 +02:00
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README.md
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@ -297,9 +297,15 @@ There is some scripts to generate the SoC and call the icestorm toolchain there
In fact, you can find some prebuild GCC : <br>
- https://www.sifive.com/products/tools/ => SiFive GNU Embedded Toolchain
The VexRiscvSocSoftware makefiles are expecting to find this prebuild version in /opt/riscv/__contentOfThisPreBuild__
```sh
wget https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6.tar.gz
tar -xzvf riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6.tar.gz
sudo mv riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6 /opt/riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6
sudo mv /opt/riscv64-unknown-elf-gcc-20170612-x86_64-linux-centos6 /opt/riscv
echo 'export PATH=/opt/riscv/bin:$PATH' >> ~/.bashrc
```
But if you want to compile from sources in /opt/ the rv32i and rv32im gcc, do the following (will take hours):