Initial commit

.github/workflows/release.yaml

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+name: Release
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install dependencies
+        run: sudo apt-get install device-tree-compiler libboost-regex-dev libboost-system-dev gcc-riscv64-unknown-elf
+      - name: Build
+        run: make
+      - name: Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            spike

.gitignore

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+riscv-isa-sim
+spike
+build

Makefile

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+all: spike
+
+.PHONY:  clean
+
+spike:
+	# Unfortunately there is no tag on the Spike repo, so we pick the latest
+	-git clone --depth 1 https://github.com/riscv-software-src/riscv-isa-sim.git
+	mkdir build
+	cd build && ../riscv-isa-sim/configure && make -j `nproc` && cp spike ../
+
+clean:
+	-rm -rf build riscv-isa-sim spike

readme.md

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+# Spike CI Artifact
+
+This repository automates the build of [Spike](https://github.com/riscv-software-src/riscv-isa-sim) for the purpose of generating that can be used from Github CI.
+
+## How to release new binaries
+
+Create a new tag and push it to upstream, e.g.:
+
+```sh
+git tag v0.1.0
+git push origin v0.1.0
+```
+
+