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Updated RV32I tools instructions

This commit is contained in:
Clifford Wolf 2015-07-05 10:32:26 +02:00
parent 8d404182b3
commit 54f89ba904
1 changed files with 4 additions and 4 deletions
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README.md
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@ -507,18 +507,18 @@ pure RV32I target, and install it in `/opt/riscv32i`:
git clone https://github.com/riscv/riscv-gnu-toolchain riscv-gnu-toolchain-rv32i
cd riscv-gnu-toolchain-rv32i
sed -i 's|--enable-languages|--with-arch=RV32I &|' Makefile.in
sed -i 's|asm volatile|value = 0; // &|' newlib/newlib/libc/machine/riscv/ieeefp.c
git checkout 5b1febd
mkdir build; cd build
../configure --with-xlen=32 --prefix=/opt/riscv32i
../configure --with-xlen=32 --with-arch=I --prefix=/opt/riscv32i
make -j$(nproc)
The commands will all be named using the prefix `riscv32-unknown-elf-`, which
makes it easy to install them side-by-side with the regular riscv-tools, which
are using the name prefix `riscv64-unknown-elf-` by default.
*Note: This instructions are for git rev 5b1febd (2015-07-05) of riscv-gnu-toolchain.*
Evaluation: Timing and Utilization on Xilinx 7-Series FPGAs
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