From 9348f137df816356e728cb33f5362540a6ca0576 Mon Sep 17 00:00:00 2001
From: WANG Rui <wangrui@loongson.cn>
Date: Sat, 16 Nov 2024 21:22:10 +0800
Subject: [PATCH] ci: add support for loongarch64-unknown-linux-musl

---
 .github/workflows/full_ci.yml                      |  1 +
 .../loongarch64-unknown-linux-musl/Dockerfile      | 14 ++++++++++++++
 ci/install-musl-cross.sh                           | 10 ++++++++++
 3 files changed, 25 insertions(+)
 create mode 100644 ci/docker/loongarch64-unknown-linux-musl/Dockerfile
 create mode 100644 ci/install-musl-cross.sh

diff --git a/.github/workflows/full_ci.yml b/.github/workflows/full_ci.yml
index 27037fea55248..3d60b36c61a55 100644
--- a/.github/workflows/full_ci.yml
+++ b/.github/workflows/full_ci.yml
@@ -165,6 +165,7 @@ jobs:
           - i686-linux-android
           - i686-unknown-linux-musl
           - loongarch64-unknown-linux-gnu
+          - loongarch64-unknown-linux-musl
           - powerpc-unknown-linux-gnu
           - powerpc64-unknown-linux-gnu
           - powerpc64le-unknown-linux-gnu
diff --git a/ci/docker/loongarch64-unknown-linux-musl/Dockerfile b/ci/docker/loongarch64-unknown-linux-musl/Dockerfile
new file mode 100644
index 0000000000000..c1219c034c81f
--- /dev/null
+++ b/ci/docker/loongarch64-unknown-linux-musl/Dockerfile
@@ -0,0 +1,14 @@
+FROM ubuntu:24.04
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        ca-certificates curl gcc git libc6-dev make qemu-user xz-utils
+
+COPY install-musl-cross.sh /
+RUN sh /install-musl-cross.sh loongarch64-unknown-linux-musl
+
+ENV CARGO_TARGET_LOONGARCH64_UNKNOWN_LINUX_MUSL_LINKER=loongarch64-unknown-linux-musl-gcc \
+    CARGO_TARGET_LOONGARCH64_UNKNOWN_LINUX_MUSL_RUNNER="qemu-loongarch64" \
+    CC_loongarch64_unknown_linux_musl=loongarch64-unknown-linux-musl-gcc \
+    CFLAGS_loongarch64_unknown_linux_musl="-mabi=lp64d -fPIC" \
+    QEMU_LD_PREFIX=/loongarch64-unknown-linux-musl/loongarch64-unknown-linux-musl/sysroot \
+    PATH=$PATH:/loongarch64-unknown-linux-musl/bin:/rust/bin
diff --git a/ci/install-musl-cross.sh b/ci/install-musl-cross.sh
new file mode 100644
index 0000000000000..38381dc9bd6bf
--- /dev/null
+++ b/ci/install-musl-cross.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+#
+# Install musl cross toolchain
+
+set -ex
+
+MUSL_CROSS_VER=20241103
+MUSL_CROSS_URL=https://github.com/musl-cross/musl-cross/releases/download/$MUSL_CROSS_VER/$1.tar.xz
+
+curl -L --retry 5 "$MUSL_CROSS_URL" | tar -xJf - -C /