Move blank to userspace

Author: vinc

Makefile

@@ -49,6 +49,7 @@ user-rust:
 	basename -s .rs src/bin/*.rs | xargs -I {} \
 		cargo rustc $(user-cargo-opts) --bin {}
 	cargo rustc $(user-cargo-opts) --bin exec -- $(linker-opts)
+	cargo rustc $(user-cargo-opts) --bin blank -- $(linker-opts)
 	cargo rustc $(user-cargo-opts) --bin hello -- $(linker-opts)
 	cargo rustc $(user-cargo-opts) --bin geocal -- $(linker-opts)
 	cargo rustc $(user-cargo-opts) --bin geodate -- $(linker-opts)

dsk/var/pkg/blank

@@ -0,0 +1 @@
+/bin/blank

dsk/var/pkg/index.html

@@ -1,4 +1,5 @@
 beep
+blank
 chess
 exec
 fonts

src/usr/blank.rs renamed to src/bin/blank.rs

@@ -1,13 +1,20 @@
-use crate::api::io;
-use crate::api::process::ExitCode;
-use crate::api::vga;
+#![no_std]
+#![no_main]
 
-pub fn main(_args: &[&str]) -> Result<(), ExitCode> {
+extern crate alloc;
+
+use moros::print;
+use moros::api::io;
+use moros::api::vga;
+use moros::entry_point;
+
+entry_point!(main);
+
+fn main(_args: &[&str]) {
     vga::graphic_mode();
     print!("\x1b]R\x1b[1A"); // Reset palette
     while io::stdin().read_char().is_none() {
         x86_64::instructions::hlt();
     }
     vga::text_mode();
-    Ok(())
 }

src/usr/mod.rs

@@ -1,5 +1,4 @@
 pub mod beep;
-pub mod blank;
 pub mod calc;
 pub mod chess;
 pub mod copy;

src/usr/shell.rs

@@ -517,7 +517,6 @@ fn dispatch(args: &[&str], config: &mut Config) -> Result<(), ExitCode> {
         "2048"     => usr::pow::main(args),
         "alias"    => cmd_alias(args, config),
         "beep"     => usr::beep::main(args),
-        "blank"    => usr::blank::main(args),
         "calc"     => usr::calc::main(args),
         "chess"    => usr::chess::main(args),
         "copy"     => usr::copy::main(args),