made console_out print the bytes of its arg as ascii

ableos/src/wasm/mod.rs

@@ -1,3 +1,6 @@
+use alloc::string::String;
+use wasmi::TrapKind;
+
 use {
 	alloc::format,
 	wasm_sys::SysCall,
@@ -23,13 +26,13 @@ impl Externals for HostFunctions {
 	fn invoke_index(
 		&mut self,
 		index: usize,
-        _args: RuntimeArgs,
+		args: RuntimeArgs,
 	) -> Result<Option<RuntimeValue>, Trap> {
 		match index.into() {
 			// Take in one arg discard the rest
 			SysCall::KILL => {
 				info!("Program run at runtime called a system call");
-                debug!("Runtime arguments: {:?}", _args);
+				debug!("Runtime arguments: {:?}", args);
 				Ok(None)
 			}
 			// Do nothing
@@ -42,7 +45,13 @@ impl Externals for HostFunctions {
 			}
 
 			SysCall::CONSOLE_OUT => {
-                info!("Out");
+				// Eventually change this to 2- ptr and len
+				if args.len() != 1 {
+					return Err(Trap::new(TrapKind::UnexpectedSignature));
+				}
+				let arg: u64 = args.nth(0);
+				let buf = unsafe { String::from_utf8_unchecked(arg.to_le_bytes().to_vec()) };
+				println!["{}", buf];
 				Ok(None)
 			}
 			SysCall::CONSOLE_GET_TITLE => Ok(None),

ableos/src/wasm/wasm_sys.rs

@@ -9,6 +9,7 @@ macro_rules! syscall_enum {
       syscall_enum![@get_last $($VariantTail),*]
    };
    ($($Variant:ident=$Value:expr,)*) => {
+      #[allow(clippy::upper_case_acronyms)]
       #[repr(usize)]
       pub enum SysCall {
          $($Variant = $Value),*