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Update documentation how to run riscv-compliance

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Upstream has now included ibex support, we don't need to use a custom
fork any more. Update the documentation for that.

Fixes #214
This commit is contained in:
Philipp Wagner 2019-08-22 16:09:51 +01:00 • committed by Philipp Wagner
parent cfb6fc4963
commit 399f0b7e77
1 changed files with 17 additions and 13 deletions
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30
dv/riscv_compliance/README.md
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@ -28,14 +28,16 @@ How to run RISC-V Compliance on Ibex
pip3 install --user -U fusesoc
```
We recommend installing Verilator from source as versions from Linux distributions are often outdated.
See https://www.veripool.org/projects/verilator/wiki/Installing for installation instructions.
We recommend installing Verilator from source as versions from Linux
distributions are often outdated. See
https://www.veripool.org/projects/verilator/wiki/Installing for installation
instructions.
1. Build a simulation of Ibex
```sh
cd $IBEX_REPO_BASE
fusesoc --cores-root=. run --target=sim --setup --build lowrisc:ibex:ibex_riscv_compliance --RV32M=0 --RV32E=0
fusesoc --cores-root=. run --target=sim --setup --build lowrisc:ibex:ibex_riscv_compliance --RV32M=1 --RV32E=0
```
You can use the two compile-time options `--RV32M` and `--RV32E` to
@ -45,31 +47,33 @@ How to run RISC-V Compliance on Ibex
2. Get the RISC-V Compliance test suite
The compliance test suite currently needs workarounds for Ibex.
Get a modified version of it.
The upstream RISC-V compliance test suite supports Ibex out of the box.
```
git clone https://github.com/imphil/riscv-compliance.git
git clone https://github.com/riscv/riscv-compliance.git
cd riscv-compliance
git checkout ibex
```
3. Run the test suite
```sh
cd $RISCV_COMPLIANCE_REPO_BASE
export RISCV_TARGET=ibex
export RISCV_ISA=rv32i
# adjust to match your compiler name
export RISCV_PREFIX=riscv32-unknown-elf-
# give the path to the simulation binary compiled in step 1
export TARGET_SIM=path/to/your/Vibex_riscv_compliance
make clean
make
export RISCV_DEVICE=rv32imc
export RISCV_TARGET=ibex
# Note: rv32imc does not include the I and M extension tests
make RISCV_ISA=rv32i && make RISCV_ISA=rv32im && make RISCV_ISA=rv32imc
```
Compliance test suite system
----------------------------
This directory contains a system designed especially to run the compliance test suite.
The system consists of
This directory contains a system designed especially to run the compliance test
suite. The system consists of
- an Ibex core,
- a bus,