rv: Add PicoRV32 initial firmware environment #4

	name: P*icoRV32 firmware build tests

	on:
	pull_request:
	paths:
	- "software/rv/**"
	branches: [ "v2" ]
	push:
	paths:
	- "software/rv/**"
	branches: [ "v2" ]
	workflow_dispatch:

	env:
	RV_TOOLS_ROOT: "/opt/riscv"
	RV_TOOLS_BRANCH: "2024.04.12"

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Update install
	run:
	sudo apt-get update
	timeout-minutes: 5

	- name: Install toolchain
	run: \|
	sudo apt-get install autoconf automake autotools-dev curl python3 python3-pip libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev libexpat-dev ninja-build git cmake libglib2.0-dev libslirp-dev
	git clone --branch $RV_TOOLS_BRANCH https://github.com/riscv/riscv-gnu-toolchain
	cd riscv-gnu-toolchain
	mkdir build
	cd build
	../configure --prefix=$RV_TOOLS_ROOT --enable-multilib
	make -j$(nproc)

	- name: Install build dependencies
	run: \|
	# Install armmem
	wget https://github.com/vankxr/armmem/releases/download/1.0-1/armmem_1.0-1_amd64.deb
	sudo dpkg -i armmem_1.0-1_amd64.deb
	timeout-minutes: 5

	- uses: actions/checkout@v4
	with:
	fetch-depth: 1
	clean: true

	- name: Build PicoRV32 firmware
	run: \|
	export PATH="$RV_TOOLS_ROOT/bin:$PATH"

	cd ${{github.workspace}}/software/rv
	make BUILD_TYPE=release

	- name: Upload results
	uses: actions/upload-artifact@v4
	with:
	name: rv_firmware
	path: ${{github.workspace}}/software/rv/bin/v*
	retention-days: 30

Provide feedback