refactor(riscv-rt): use minilink in tests-build

tests-build/Cargo.toml

@@ -8,6 +8,9 @@ panic-halt = "1.0"
 riscv = { path = "../riscv" }
 riscv-rt = { path = "../riscv-rt" }
 
+[build-dependencies]
+minilink = "0.2"
+
 [features]
 pre-init = ["riscv-rt/pre-init"]
 single-hart = ["riscv-rt/single-hart"]

tests-build/build.rs

@@ -1,22 +1,6 @@
 use std::{env, fs::File, io::Write, path::PathBuf};
 
 fn main() {
-    // Put device.x somewhere the linker can find it
-    let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
-    File::create(out.join("device.x"))
-        .unwrap()
-        .write_all(include_bytes!("device.x"))
-        .unwrap();
-    println!("cargo:rustc-link-search={}", out.display());
-    println!("cargo:rerun-if-changed=device.x");
-
-    // Put memory.x somewhere the linker can find it
-    File::create(out.join("memory.x"))
-        .unwrap()
-        .write_all(include_bytes!("memory.x"))
-        .unwrap();
-    println!("cargo:rustc-link-search={}", out.display());
-    println!("cargo:rerun-if-changed=memory.x");
-
-    println!("cargo:rerun-if-changed=build.rs");
+    minilink::register_template("device.x", "device.x");
+    minilink::register_template("memory.x", "memory.x");
 }