[Teton] Move console/shell to rust. WIP

rust/sys/teton/src/main.rs

@@ -0,0 +1,50 @@
+#![no_std]
+#![no_main]
+
+extern crate alloc;
+
+mod console;
+mod framebuffer;
+mod psf;
+
+use mammoth::{debug, define_entry, zion::z_err_t};
+
+define_entry!();
+
+#[no_mangle]
+extern "C" fn main() -> z_err_t {
+    debug!("Teton Starting");
+
+    let yellowstone = yellowstone::from_init_endpoint();
+    let framebuffer_info = yellowstone
+        .get_framebuffer_info()
+        .expect("Failed to get framebuffer info.");
+
+    debug!(
+        "FB addr {:#x}, bpp {}, width {} , height {}, pitch {}",
+        framebuffer_info.address_phys,
+        framebuffer_info.bpp,
+        framebuffer_info.width,
+        framebuffer_info.height,
+        framebuffer_info.pitch
+    );
+
+    let framebuffer = framebuffer::Framebuffer::from_info(framebuffer_info)
+        .expect("Failed to create framebuffer");
+
+    let psf = psf::Psf::new("/default8x16.psfu").expect("Failed to open font file.");
+    let console = console::Console::new(framebuffer, psf);
+    console.write_char('>');
+
+    /*
+
+    Terminal terminal(console);
+    terminal.Register();
+
+    Thread lthread = terminal.Listen();
+
+    check(lthread.Join());
+    */
+
+    0
+}