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authorcheapie <cheapiephp@gmail.com>2026-06-26 23:34:38 -0500
committercheapie <cheapiephp@gmail.com>2026-06-26 23:34:38 -0500
commit338a12a1382afebc6c82e0b40768d87bcab3d8d1 (patch)
tree445a6dc22c2c9ddb99b0f831d68fb1999f0ceebc /cross-toolchain
parent3a46ab5b8691e72098e3c43f5e25ca84385a5de6 (diff)
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Move documentation out of the program and into separate filesHEADmain
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-rw-r--r--cross-toolchain/SETUP.txt72
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-How to set up the cross-compilation toolchain
-=============================================
-
-RVController can run in little-endian or big-endian mode.
-If you don't know what this means, you want little-endian.
-
-These instructions are for Linux. Doing any of this on other OSes is left as an exercise for the reader.
-
-Little-endian (recommended)
----------------------------
-
-Target triplet is riscv32-none-elf. activate.sh will set this for you.
-See c/rrxing/Makefile for example commands to compile and link.
-
-Initial setup:
-cd cross-toolchain
-mkdir build target source
-nano activate.sh # Edit the paths to match your installation
-source activate.sh
-
-Binutils (required):
-cd source
-git clone git://sourceware.org/git/binutils-gdb.git
-cd ../build
-mkdir binutils
-cd binutils
-../../source/binutils-gdb/configure --target=$TARGET --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
-make -j$(nproc)
-make install # Do not use sudo! root access is not needed.
-cd ../..
-
-GCC (optional, needed if you want to use C but not Clang):
-cd source
-git clone https://gcc.gnu.org/git/gcc.git
-cd ../build
-mkdir gcc
-cd gcc
-../../source/gcc/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers --disable-hosted-libstdcxx --with-arch=rv32i
-make -j$(nproc) all-gcc all-target-libgcc all-target-libstdc++-v3
-make install-gcc install-target-libgcc install-target-libstdc++-v3 # Do not use sudo! root access is not needed.
-cd ../..
-
-Clang (recommended, needed if you want to use C but not GCC):
-You can just use a copy of clang built for some other arch with "-target riscv32-none-elf".
-If your distro ships a clang package, just install that.
-
-Big-endian
-----------
-
-Target triplet is riscv32be-none-elf. activate-be.sh will set this for you.
-See c/rrxing-be/Makefile for example commands to compile and link.
-
-Initial setup:
-cd cross-toolchain
-mkdir build target source
-nano activate-be.sh # Edit the paths to match your installation
-source activate-be.sh
-
-Binutils (required):
-cd source
-git clone git://sourceware.org/git/binutils-gdb.git
-cd ../build
-mkdir binutils-be
-cd binutils-be
-../../source/binutils-gdb/configure --target=$TARGET --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
-make -j$(nproc)
-make install # Do not use sudo! root access is not needed.
-cd ../..
-
-Clang (recommended, required if you want to use C):
-You can just use a copy of clang built for some other arch with "-target riscv32be-none-elf".
-If your distro ships a clang package, just install that.