chore(init): support no_std

servers/init/.cargo/config.toml

@@ -0,0 +1,9 @@
+[build]
+rustflags = [
+    "-C", "relocation-model=static",
+    "-C", "link-args=-e main",
+    "-C", "no-redzone=y",
+    "-C", "default-linker-libraries=n",
+    "-C", "soft-float=y",
+]
+

servers/init/src/lib.rs

@@ -0,0 +1,7 @@
+#![no_std]
+#![deny(unsafe_op_in_unsafe_fn)]
+
+#[panic_handler]
+fn panic(_: &core::panic::PanicInfo<'_>) -> ! {
+    loop {}
+}

servers/init/src/main.rs

@@ -1,3 +1,8 @@
-fn main() {
-    println!("Hello, world!");
-}
+#![no_std]
+#![no_main]
+#![deny(unsafe_op_in_unsafe_fn)]
+
+extern crate init as _;
+
+#[no_mangle]
+fn main() {}