various changes

ableos/src/arch/uefi_86/mod.rs

@@ -0,0 +1 @@
+

ableos/src/experiments/mod.rs

@@ -10,4 +10,7 @@ pub mod server;
 pub mod systeminfo;
 pub mod virtual_memory;
 pub mod y_compositor;
+
+pub mod vterm;
+
 pub const BANNER: &str = include_str!("banner.txt");

ableos/src/experiments/vterm.rs

@@ -0,0 +1,39 @@
+use shadeable::pixel_format::Rgba64;
+
+pub const VTERM_HEIGHT: u32 = 40;
+pub const VTERM_WIDTH: u32 = 100;
+/// Fg and bg colors for vterm
+pub type ColorCharacter = (Rgba64, Rgba64);
+
+pub struct VtermCharacter {
+    pub character: char,
+    //
+    pub fg: Rgba64,
+    pub bg: Rgba64,
+    //
+    pub style: Style,
+}
+
+pub struct Vterm {
+    pub characters: [[VtermCharacter; VTERM_WIDTH as usize]; VTERM_HEIGHT as usize],
+    pub cursor_x: u32,
+    pub cursor_y: u32,
+    pub cursor_visible: bool,
+}
+
+pub struct Style {
+    pub bold: bool,
+    pub underline: bool,
+    pub italic: bool,
+    pub blink: bool,
+    pub reverse: bool,
+    pub strike: bool,
+}
+
+pub struct StylePacked(u8);
+
+impl StylePacked {
+    pub fn new() -> Self {
+        StylePacked(0)
+    }
+}

ableos/src/graphics/mod.rs

@@ -29,6 +29,7 @@ impl ScreenSize {
 pub enum GraphicsReturn {
     Ok,
     ImproperScreenSize,
+    GenericError,
 }
 
 pub struct ScreenBuffer {

ableos/src/kmain.rs

@@ -38,8 +38,16 @@ lazy_static! {
 /// The main entry point of the kernel
 #[no_mangle]
 pub fn kernel_main() -> ! {
-    /*  init::init();
     log::set_max_level(BOOT_CONF.log_level());
+    // init::init();
+
+    if (|| true)() || (|| false)() {
+        ()
+    } else {
+        ((), ());
+    }
+
+    /*
 
     {
         {
@@ -75,8 +83,8 @@ pub fn kernel_main() -> ! {
         }
     }
 
-        start_facepalm();
     */
+    start_facepalm();
     sloop()
 }
 
@@ -118,16 +126,147 @@ pub fn generate_process_pass() -> u128 {
 // #![no_main]
 // #![no_std]
 
-use uefi::prelude::*;
-use uefi::ResultExt;
+use uefi::{
+    prelude::*,
+    proto::{
+        console::gop::{GraphicsOutput, PixelFormat},
+        media::{
+            file::{File, FileAttribute, FileMode},
+            fs::SimpleFileSystem,
+        },
+    },
+};
+use uefi::{proto::console::gop::FrameBuffer, ResultExt};
+
+use crate::{GraphicsReturn, ScreenBuffer};
 
 #[entry]
 fn main(_handle: Handle, mut system_table: SystemTable<Boot>) -> Status {
+    system_table
+        .stdout()
+        .reset(false)
+        .expect_success("Failed to reset output buffer");
     uefi_services::init(&mut system_table).unwrap_success();
+    // Print out UEFI revision number
+    {
+        let rev = system_table.uefi_revision();
+        let (major, minor) = (rev.major(), rev.minor());
+
+        info!("UEFI {}.{}", major, minor);
+    }
+
     log_version_data();
 
-    kernel_main();
+    info!("Running graphics output protocol test");
+    if let Ok(gop) = system_table
+        .boot_services()
+        .locate_protocol::<GraphicsOutput>()
+    {
+        let gop = gop.expect("Warnings encountered while opening GOP");
+        // Maybe save this
+        let gop = unsafe { &mut *gop.get() };
+        let mode = gop
+            .modes()
+            .map(|mode| mode.expect("Warnings encountered while querying mode"))
+            .find(|mode| {
+                let info = mode.info();
+                info.resolution() == (1440, 900)
+            })
+            .unwrap();
 
-    loop {}
-    // Status::SUCCESS
+        gop.set_mode(&mode)
+            .expect_success("Failed to set graphics mode");
+
+        //crate::check_screenshot(bt, "gop_test");
+
+        draw_fb(gop);
+    } else {
+        // No tests can be run.
+        warn!("UEFI Graphics Output Protocol is not supported");
+    }
+
+    kernel_main();
 }
+
+pub fn draw_fb(gop: &mut GraphicsOutput) {
+    let mi = gop.current_mode_info();
+    let stride = mi.stride();
+    let (width, height) = mi.resolution();
+
+    let mut fb = gop.frame_buffer();
+
+    type PixelWriter = unsafe fn(&mut FrameBuffer, usize, [u8; 3]);
+    unsafe fn write_pixel_rgb(fb: &mut FrameBuffer, pixel_base: usize, rgb: [u8; 3]) {
+        fb.write_value(pixel_base, rgb);
+    }
+    unsafe fn write_pixel_bgr(fb: &mut FrameBuffer, pixel_base: usize, rgb: [u8; 3]) {
+        fb.write_value(pixel_base, [rgb[2], rgb[1], rgb[0]]);
+    }
+
+    let write_pixel: PixelWriter = match mi.pixel_format() {
+        PixelFormat::Rgb => write_pixel_rgb,
+        PixelFormat::Bgr => write_pixel_bgr,
+        _ => {
+            info!("This pixel format is not supported by the drawing demo");
+            return;
+        }
+    };
+
+    let mut fill_rectangle = |(x1, y1), (x2, y2), color| {
+        assert!((x1 < width) && (x2 < width), "Bad X coordinate");
+        assert!((y1 < height) && (y2 < height), "Bad Y coordinate");
+        for row in y1..y2 {
+            for column in x1..x2 {
+                unsafe {
+                    let pixel_index = (row * stride) + column;
+                    let pixel_base = 4 * pixel_index;
+                    write_pixel(&mut fb, pixel_base, color);
+                }
+            }
+        }
+    };
+
+    fill_rectangle((50, 30), (150, 600), [123, 123, 123]);
+    fill_rectangle((400, 120), (750, 450), [16, 0, 255]);
+    fill_rectangle((80, 50), (200, 120), [0, 255, 0]);
+}
+
+pub trait GopBuffer {
+    fn copy_to_buffer(&self) -> GraphicsReturn;
+}
+
+impl GopBuffer for ScreenBuffer {
+    fn copy_to_buffer(&self) -> GraphicsReturn {
+        GraphicsReturn::GenericError
+    }
+}
+/*
+pub fn file_system() -> Result<SimpleFileSystem, Status> {
+    if let Ok(gop) = system_table
+    .boot_services()
+    .locate_protocol::<SimpleFileSystem>()
+    {
+        let gop = gop.expect("Warnings encountered while opening GOP");
+        // Maybe save this
+        let gop = unsafe { &mut *gop.get() };
+        let mut root = gop.open_volume().unwrap().expect("Failed to open volume");
+        let attr = FileAttribute::all();
+
+        let xyz = root.open("test", FileMode::CreateReadWrite, attr).unwrap();
+        let abcd = xyz.expect("Failed to open file").into_type();
+
+        let abcdef = abcd.unwrap().expect("Failed to open file");
+        let mut buffer = [0u8; 10];
+        match abcdef {
+            uefi::proto::media::file::FileType::Regular(mut file) => {
+                info!("{:?}", file.read(&mut buffer))
+            }
+            uefi::proto::media::file::FileType::Dir(_) => todo!(),
+        }
+    } else {
+        // No tests can be run.
+        warn!("UEFI Simple File System is not supported");
+    }
+}
+
+*/

facepalm/src/lib.rs

@@ -13,9 +13,9 @@ pub const RELEASE_TYPE: &str = "debug";
 pub const RELEASE_TYPE: &str = "release";
 
 pub fn start_facepalm() {
-    info!("facepalm 🤦 launched!");
-    info!("facepalm 🤦 version: {}", VERSION);
-    info!("facepalm 🤦 {} mode", RELEASE_TYPE);
-
+    // info!("facepalm 🤦 launched!");
+    // info!("facepalm 🤦 version: {}", VERSION);
+    // info!("facepalm 🤦 {} mode", RELEASE_TYPE);
+    info!("Latin 1 (ISO-8859-1)");
     // Drop into a debug shell
 }