Make stack bigger by default

Add a Cargo feature to allow users to set the stack size if desired, but
default to 2MB to handle more use cases.

ctru-rs/Cargo.toml

@@ -32,8 +32,9 @@ tokio = { version = "1.16", features = ["rt", "time", "sync", "macros"] }
 cfg-if = "1.0.0"
 
 [features]
-default = ["romfs"]
+default = ["romfs", "big-stack"]
 romfs = []
+big-stack = []
 
 [package.metadata.cargo-3ds]
 romfs_dir = "examples/romfs"

ctru-rs/src/lib.rs

@@ -10,6 +10,10 @@ extern "C" fn services_deinit() {
     }
 }
 
+#[no_mangle]
+#[cfg(feature = "big-stack")]
+static __stacksize__: usize = 2 * 1024 * 1024; // 2MB
+
 /// Call this somewhere to force Rust to link some required crates
 /// This is also a setup for some crate integration only available at runtime
 ///