diff options
| author | mwachs5 <megan@sifive.com> | 2017-05-17 10:57:03 -0700 |
|---|---|---|
| committer | mwachs5 <megan@sifive.com> | 2017-05-17 10:57:03 -0700 |
| commit | f62f4aae84a0fcf2ff4093be41553fca553fd99e (patch) | |
| tree | f024efbd7ee076d721b1251990c0a5263e386ee1 /README.md | |
| parent | e7bc9996403c9cd375aa20e5fd1b5b933b92c081 (diff) | |
Update Makefile and README with how to use precompiled binaries.
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 34 |
1 files changed, 29 insertions, 5 deletions
@@ -17,6 +17,15 @@ First, clone this repository: git clone --recursive https://github.com/sifive/freedom-e-sdk.git ``` +To see Makefile options: + +``` +cd freedom-e-sdk +make help +``` + +#### Building Tools from Source #### + Ubuntu packages needed: $ sudo apt-get install autoconf automake libmpc-dev libmpfr-dev libgmp-dev gawk bison flex texinfo libtool libusb-1.0-0-dev make g++ pkg-config libexpat1-dev zlib1g-dev @@ -25,7 +34,7 @@ Next, build the tools: ``` cd freedom-e-sdk -make tools +make tools [BOARD=freedom-e300-hifive1] ``` If your machine has enough resources, you can speed up the build process by adding `-j n` to `make`, where `n` is the number of processors of your build system. @@ -34,15 +43,30 @@ To compile a bare-metal RISC-V program: ``` cd freedom-e-sdk -make software [PROGRAM=demo_gpio] +make software [PROGRAM=demo_gpio] [BOARD=freedom-e300-hifive1] ``` +#### Using Pre-Built Binary Tools #### + +If you would like to avoid compiling the tools from source, they are +available as pre-built binaries from + +https://sifive.com/products/tools -To see additional options: +For OpenOCD and/or RISC-V GNU Toolchain, +download the .tar.gz for your platform, and unpack it to +your desired location. Then, use the `RISC_PREFIX` and `RISCV_OPENOCD_PREFIX` +variables when attempting to use the tools: ``` -cd freedom-e-sdk -make help +cp openocd-<date>-<platform>.tar.gz /my/desired/location/ +cp riscv-gnu-toolchain-<date>-<platform>.tar.gz /my/desired/location +cd /my/desired/location +tar -xvf openocd-<date>-<platform>.tar.gz +tar -xvf riscv-gnu-toolchain-<date>-<platform>.tar.gz +export RISCV_OPENOCD_PREFIX /my/desired/location/openocd +export RISCV_PREFIX /my/desired/location/riscv-gnu-toolchain ``` + ### Updating your SDK ### If you'd like to update your SDK to the latest version: |