Add loongarch64 support (#1614)

* add loongarch64 support

include/ZeroTierOne.h

@@ -1079,7 +1079,8 @@ enum ZT_Architecture
 	ZT_ARCHITECTURE_DOTNET_CLR = 13,
 	ZT_ARCHITECTURE_JAVA_JVM = 14,
 	ZT_ARCHITECTURE_WEB = 15,
-	ZT_ARCHITECTURE_S390X = 16
+	ZT_ARCHITECTURE_S390X = 16,
+	ZT_ARCHITECTURE_LOONGARCH64 = 17
 };
 
 /**

make-linux.mk

@@ -252,6 +252,10 @@ endif
 ifeq ($(CC_MACH),riscv64)
 	ZT_ARCHITECTURE=0
 endif
+ifeq ($(CC_MACH),loongarch64)
+	ZT_ARCHITECTURE=17
+	override DEFS+=-DZT_NO_TYPE_PUNNING
+endif
 
 # Fail if system architecture could not be determined
 ifeq ($(ZT_ARCHITECTURE),999)