[doc] Add notes on Verilator depencency of Bazel software builds
Signed-off-by: Marno van der Maas <mvdmaas+git@lowrisc.org>
diff --git a/doc/getting_started/_index.md b/doc/getting_started/_index.md
index c4d3cb0..ab70d78 100644
--- a/doc/getting_started/_index.md
+++ b/doc/getting_started/_index.md
@@ -120,6 +120,7 @@
## Step 4: Build OpenTitan Software
Follow the [dedicated guide]({{< relref "build_sw" >}}) to build OpenTitan's software, and then return to this page.
+Some tests might fail because you don't have Verilator installed, which we will do in the next step.
## Step 5: Set up your Simulation Tool or FPGA
diff --git a/doc/getting_started/build_sw.md b/doc/getting_started/build_sw.md
index 376162f..fa89f20 100644
--- a/doc/getting_started/build_sw.md
+++ b/doc/getting_started/build_sw.md
@@ -5,7 +5,8 @@
---
_Before following this guide, make sure you have read the_:
-* main [Getting Started]({{< relref "getting_started" >}}) instructions, and
+* main [Getting Started]({{< relref "getting_started" >}}) instructions,
+* install Verilator section of the [Verilator guide]({{< relref "setup_verilator.md" >}}), and
* [OpenTitan Software]({{< relref "sw/" >}}) documentation.
All OpenTitan software is built with [Bazel](https://bazel.build/).
@@ -59,6 +60,7 @@
bazel build //sw/...
```
will build all software in our repository.
+If you do not have Verilator installed yet, you can use the `--define DISABLE_VERILATOR_BUILD=true` flag to skip the jobs that depend on that.
In general, you can build any software target (and all of it's dependencies) using the following syntax:
```console
