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Added: riscv64 support #4144

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Merged
itzg merged 8 commits into from
Jul 11, 2026
+24 −21
Merged

Added: riscv64 support #4144

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583e4b7
WIP: Added RISCV64 support
Opvolger May 18, 2026
37ffab6
knock with riscv64 support
Opvolger Jun 3, 2026
473f76b
use java25 LTS
Opvolger Jul 1, 2026
87dda79
java25-noble and java25 are ubuntu 24.04, use only noble
Opvolger Jul 10, 2026
43dd925
Remove extra matrix entry
itzg Jul 11, 2026
21c20b3
Update docs and metadata to include riscv64
itzg Jul 11, 2026
6316218
Update verify-pr
itzg Jul 11, 2026
33b19e8
Narrow changes in build.yml
itzg Jul 11, 2026
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6 changes: 4 additions & 2 deletions .github/workflows/build.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -40,8 +40,10 @@ jobs:
include:
# JAVA 25
- variant: java25
baseImage: eclipse-temurin:25-jre
platforms: linux/amd64,linux/arm64
# NOTE: 25-jre is also Noble (currently), but this variant needs to be 25-jre-noble specifically to include riscv64
# Keep this aligned in verify-pr.yml also
baseImage: eclipse-temurin:25-jre-noble
platforms: linux/amd64,linux/arm64,linux/riscv64
mcVersion: latest
- variant: java25-alpine
baseImage: eclipse-temurin:25-jre-alpine
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3 changes: 2 additions & 1 deletion .github/workflows/verify-pr.yml
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Expand Up @@ -29,7 +29,8 @@ jobs:
include:
# JAVA 21/25:
- variant: java25
baseImage: eclipse-temurin:25-jre
# stay aligned with build.yml
baseImage: eclipse-temurin:25-jre-noble
platforms: linux/amd64,linux/arm64
mcVersion: latest
- variant: java25-alpine
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2 changes: 1 addition & 1 deletion build/ubuntu/install-packages.sh
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Expand Up @@ -37,7 +37,7 @@ apt-get install -y \
apt-get clean

# Download and install patched knockd
curl -fsSL -o /tmp/knock.tar.gz https://github.com/Metalcape/knock/releases/download/0.8.1/knock-0.8.1-$TARGET.tar.gz
curl -fsSL -o /tmp/knock.tar.gz https://github.com/Opvolger/knock/releases/download/0.8.1/knock-0.8.1-$TARGET.tar.gz
tar -xf /tmp/knock.tar.gz -C /usr/local/ && rm /tmp/knock.tar.gz
ln -s /usr/local/sbin/knockd /usr/sbin/knockd
setcap cap_net_raw=ep /usr/local/sbin/knockd
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28 changes: 14 additions & 14 deletions docs/versions/java.md
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Expand Up @@ -10,20 +10,20 @@ or explicitly include the tag, such as

where `<tag>` refers to the first column of this table:

| Tag | Java version | Linux | JVM Type | Architecture | Note |
|----------------|--------------|--------|--------------------|---------------------|------|
| latest | 25 | Ubuntu | Hotspot | amd64, arm64 | |
| stable | 25 | Ubuntu | Hotspot | amd64, arm64 | |
| java25 | 25 | Ubuntu | Hotspot | amd64, arm64 | |
| java25-alpine | 25 | Alpine | Hotspot | amd64, arm64 | |
| java25-jdk | 25 | Ubuntu | Hotspot+JDK | amd64, arm64 | |
| java21 | 21 | Ubuntu | Hotspot | amd64, arm64 | |
| java21-jdk | 21 | Ubuntu | Hotspot+JDK | amd64, arm64 | |
| java21-alpine | 21 | Alpine | Hotspot | amd64, arm64 | |
| java17 | 17 | Ubuntu | Hotspot | amd64, arm64, armv7 | |
| java16 | 16 | Ubuntu | Hotspot | amd64, arm64, armv7 | (1) |
| java11 | 11 | Ubuntu | Hotspot | amd64, arm64, armv7 | |
| java8 | 8 | Ubuntu | Hotspot | amd64, arm64, armv7 | |
| Tag | Java version | Linux | JVM Type | Architecture | Note |
|---------------|--------------|--------|-------------|-----------------------|------|
| latest | 25 | Ubuntu | Hotspot | amd64, arm64, riscv64 | |
| stable | 25 | Ubuntu | Hotspot | amd64, arm64, riscv64 | |
| java25 | 25 | Ubuntu | Hotspot | amd64, arm64, riscv64 | |
| java25-alpine | 25 | Alpine | Hotspot | amd64, arm64 | |
| java25-jdk | 25 | Ubuntu | Hotspot+JDK | amd64, arm64 | |
| java21 | 21 | Ubuntu | Hotspot | amd64, arm64 | |
| java21-jdk | 21 | Ubuntu | Hotspot+JDK | amd64, arm64 | |
| java21-alpine | 21 | Alpine | Hotspot | amd64, arm64 | |
| java17 | 17 | Ubuntu | Hotspot | amd64, arm64, armv7 | |
| java16 | 16 | Ubuntu | Hotspot | amd64, arm64, armv7 | (1) |
| java11 | 11 | Ubuntu | Hotspot | amd64, arm64, armv7 | |
| java8 | 8 | Ubuntu | Hotspot | amd64, arm64, armv7 | |

Notes

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6 changes: 3 additions & 3 deletions images.json
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Expand Up @@ -5,7 +5,7 @@
"java": "25",
"distribution": "ubuntu",
"jvm": "hotspot",
"architectures": ["amd64", "arm64"],
"architectures": ["amd64", "arm64", "riscv64"],
"lts": true
},
{
Expand All @@ -14,15 +14,15 @@
"java": "25",
"distribution": "ubuntu",
"jvm": "hotspot",
"architectures": ["amd64", "arm64"],
"architectures": ["amd64", "arm64", "riscv64"],
"lts": true
},
{
"tag": "java25",
"java": "25",
"distribution": "ubuntu",
"jvm": "hotspot",
"architectures": ["amd64", "arm64"]
"architectures": ["amd64", "arm64", "riscv64"]
},
{
"tag": "java25-alpine",
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