From 0000e3e1252dcc089d2ceb6a882c019302e05551 Mon Sep 17 00:00:00 2001
From: Chisheng Chen <johnny1001s000602@gmail.com>
Date: Thu, 9 Apr 2026 01:09:32 +0800
Subject: [PATCH] Add riscv64 nightly LKL build to GitHub Action

Previously, the GitHub Actions only build LKL of x86_64 and
aarch64 architectures. This adds the riscv64 support by using
the RISE GitHub App to do the compilation.

This is needed by the riscv64 support of kbox in the future.

Change-Id: I7f710891f8259c8ec848891453e1f6410e932a82
---
 .github/workflows/build-lkl.yml | 15 +++++++++------
 scripts/common.sh               |  1 +
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/build-lkl.yml b/.github/workflows/build-lkl.yml
index 1683fe9..be42005 100644
--- a/.github/workflows/build-lkl.yml
+++ b/.github/workflows/build-lkl.yml
@@ -6,7 +6,7 @@
 # successful publish.
 #
 # The lkl-nightly release on sysprog21/kbox always contains exactly
-# one x86_64 and one aarch64 tarball (the latest build).
+# one x86_64, one aarch64 tarball and one riscv64 (the latest build).
 name: Build LKL (nightly)
 
 on:
@@ -75,7 +75,7 @@ jobs:
             echo "New upstream commit: ${CURRENT} (was: ${LAST_COMMIT:-none})"
           fi
 
-  # ---- Build x86_64 and aarch64 in parallel ----
+  # ---- Build x86_64, aarch64 and riscv64 in parallel ----
   build:
     needs: check-upstream
     if: needs.check-upstream.outputs.needs_build == 'true'
@@ -89,8 +89,10 @@ jobs:
             runner: ubuntu-24.04
           - arch: aarch64
             runner: ubuntu-24.04-arm
+          - arch: riscv64
+            runner: ubuntu-24.04-riscv
     runs-on: ${{ matrix.runner }}
-    timeout-minutes: 30
+    timeout-minutes: 360
     steps:
       - name: Checkout
         uses: actions/checkout@v6
@@ -114,7 +116,7 @@ jobs:
 
       - name: Package
         run: |
-          tar czf liblkl-${{ matrix.arch }}.tar.gz lkl-${{ matrix.arch }}/
+          tar czf liblkl-${{ matrix.arch }}.tar.gz -C lkl-${{ matrix.arch }}/ .
 
       - name: Upload artifact
         uses: actions/upload-artifact@v7
@@ -151,7 +153,7 @@ jobs:
           date=${BUILD_DATE}
           upstream=https://github.com/${{ env.LKL_UPSTREAM }}/commit/${LKL_COMMIT}
 
-          Contains: liblkl-x86_64.tar.gz, liblkl-aarch64.tar.gz
+          Contains: liblkl-x86_64.tar.gz, liblkl-aarch64.tar.gz, liblkl-riscv64.tar.gz
           Each tarball includes: liblkl.a, lkl.h, autoconf.h, vmlinux-gdb.py,
           BUILD_INFO, sha256sums.txt
           EOF
@@ -168,4 +170,5 @@ jobs:
             --notes-file /tmp/release-notes.md \
             --prerelease \
             dist/liblkl-x86_64.tar.gz \
-            dist/liblkl-aarch64.tar.gz
+            dist/liblkl-aarch64.tar.gz \
+            dist/liblkl-riscv64.tar.gz
diff --git a/scripts/common.sh b/scripts/common.sh
index 290ff04..ff4a8b6 100644
--- a/scripts/common.sh
+++ b/scripts/common.sh
@@ -67,6 +67,7 @@ detect_arch()
     case "${1:-$(uname -m)}" in
         x86_64 | amd64) ARCH="x86_64" ;;
         aarch64 | arm64) ARCH="aarch64" ;;
+        riscv64) ARCH="riscv64" ;;
         *) die "unsupported architecture: ${1:-$(uname -m)}" ;;
     esac
 }