Add support for loongarch64

Author: am11

README.adoc

@@ -57,7 +57,7 @@ Default: _see link:action.yml[]_
 
 [[arch]] arch::
 CPU architecture to emulate using https://www.qemu.org/docs/master/user/main.html[QEMU user space emulator].
-Allowed values are: `x86_64` (native), `x86` (native), `aarch64`, `armhf` footnote:[armhf is armv6 with hard-float.], `armv7`, `ppc64le`, `riscv64` footnote:[riscv64 is available since v3.20.], and `s390x`.
+Allowed values are: `x86_64` (native), `x86` (native), `aarch64`, `armhf` footnote:[armhf is armv6 with hard-float.], `armv7`, `loongarch64` footnote:[loongarch64 is available since v3.21.], `ppc64le`, `riscv64` footnote:[riscv64 is available since v3.20.], and `s390x`.
 +
 Default: `x86_64`
 

action.yml

@@ -16,7 +16,7 @@ inputs:
   arch:
     description: >
       CPU architecture to emulate using QEMU. Allowed values are: `x86_64` (native), `x86` (native),
-      `aarch64`, `armhf` (armv6 with hard-float), `armv7`, `ppc64le`, `riscv64` (available since v3.20), and `s390x`
+      `aarch64`, `armhf` (armv6 with hard-float), `armv7`, `loongarch64` (available since v3.21), `ppc64le`, `riscv64` (available since v3.20), and `s390x`
     required: false
     default: x86_64
   branch:

binfmts/qemu-loongarch64

@@ -0,0 +1,8 @@
+package none
+interpreter /usr/local/bin/qemu-loongarch64
+magic \x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x02\x01
+offset 0
+mask \xff\xff\xff\xff\xff\xff\xff\xfc\x00\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff
+credentials yes
+fix_binary yes
+preserve yes

keys/alpine-devel@lists.alpinelinux.org-66ba20fe.rsa.pub

@@ -0,0 +1,14 @@
+-----BEGIN PUBLIC KEY-----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+-----END PUBLIC KEY-----

setup-alpine.sh

@@ -138,9 +138,9 @@ case "$INPUT_APK_TOOLS_URL" in
 esac
 
 case "$INPUT_ARCH" in
-	x86_64 | x86 | aarch64 | armhf | armv7 | ppc64le | riscv64 | s390x) ;;  # valid
+	x86_64 | x86 | aarch64 | armhf | armv7 | loongarch64 | ppc64le | riscv64 | s390x) ;;  # valid
 	*) die 'Invalid input parameter: arch' \
-	       "Expected one of: x86_64, x86, aarch64, armhf, armv7, ppc64le, riscv64, s390x, but got: $INPUT_ARCH."
+	       "Expected one of: x86_64, x86, aarch64, armhf, armv7, loongarch64, ppc64le, riscv64, s390x, but got: $INPUT_ARCH."
 esac
 
 case "$INPUT_BRANCH" in