Revert "bootloader + bootloader_api"

This reverts commit cbbe3e18.

.cargo/config.toml

-[unstable]
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- "log",
- "once_cell",
- "proc-macro2",
- "quote",
- "syn",
- "wasm-bindgen-shared",
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- "syn",
- "wasm-bindgen-backend",
- "wasm-bindgen-shared",
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-]
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Cargo.toml

-[workspace]
-members = ["kernel", "os"]
-default-members = ["os"]
-
-# [profile.dev.package.hyperion_kernel]
-# opt-level = 3
-# debug = false
-# debug-assertions = false
-# overflow-checks = false
-# incremental = false
-# codegen-units = 16
+[package]
+name = "hyperion"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+crate-type = ["staticlib"]
+
+[profile.release]
+debug = 1
+
+[dependencies]
+
+
+[build-dependencies]
+#cc = "1.0.78"
+nasm-rs = "0.2.4"

kernel/.dir-locals.el

-((nil . ((lsp-rust-analyzer-cargo-target . "x86_64-unknown-none")
-         (lsp-rust-all-targets . nil)
-         (lsp-rust-analyzer-cargo-all-targets . nil))))

kernel/Cargo.toml

-[package]
-name = "hyperion_kernel"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-bootloader_api = "0.11.0"
-#bitflags = "1.3.2"
-x86_64 = "0.14.10"
-spin = "0.9.4"

kernel/src/framebuffer.rs

-use bootloader_api::{
-    info::{FrameBuffer, Optional},
-    BootInfo,
-};
-use spin::Mutex;
-
-//
-
-pub fn init(boot_info: &'static mut BootInfo) {
-    let mut framebuffer = Optional::None;
-    core::mem::swap(&mut boot_info.framebuffer, &mut framebuffer);
-
-    if let Some(framebuffer) = framebuffer.into_option() {
-        init_with(framebuffer);
-    }
-}
-
-pub fn init_with(framebuffer: FrameBuffer) {
-    *FRAMEBUFFER.lock() = Some(framebuffer);
-}
-
-pub fn clear() {
-    let mut fb = FRAMEBUFFER.lock();
-    if let Some(fb) = &mut *fb {
-        fb.buffer_mut().fill(0);
-    }
-}
-
-pub fn print_char(character: u8) {
-    let mut fb = FRAMEBUFFER.lock();
-    if let Some(fb) = &mut *fb {
-        let px = fb.info().bytes_per_pixel;
-        let row = px * fb.info().stride;
-
-        for y in 0..8 {
-            for x in 0..8 {
-                for channel in 0..4 {
-                    fb.buffer_mut()[channel + x * px + y * row] = FONT[character as usize][y][x];
-                }
-            }
-        }
-    }
-}
-
-//
-
-static FRAMEBUFFER: Mutex<Option<FrameBuffer>> = Mutex::new(None);
-
-static FONT: [[[u8; 8]; 8]; 256] = {
-    let mut font = [[[0; 8]; 8]; 256];
-    font[b'H' as usize] = [
-        [0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF],
-        [0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF],
-        [0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF],
-        [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF],
-        [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF],
-        [0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF],
-        [0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF],
-        [0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF],
-    ];
-    font
-};

kernel/src/idt.rs

-use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame};
-
-pub fn init() {
-    let mut idt = InterruptDescriptorTable::new();
-    idt.breakpoint.set_handler_fn(breakpoint_handler);
-}
-
-extern "x86-interrupt" fn breakpoint_handler(stack_frame: InterruptStackFrame) {}

kernel/src/instructions.rs

-use core::arch::asm;
-
-//
-
-/// Halts the CPU and never returns
-pub fn hlt() -> ! {
-    loop {
-        unsafe { asm!("hlt") }
-    }
-}

kernel/src/main.rs

-#![no_std]
-#![no_main]
-
-const CONFIG: bootloader_api::BootloaderConfig = {
-    let mut config = bootloader_api::BootloaderConfig::new_default();
-    config.kernel_stack_size = 4096 * 4; // 16KiB
-    config
-};
-
-bootloader_api::entry_point!(hyperion_kernel::kernel_main, config = &CONFIG);

os/.cargo/config.toml

-[unstable]
-bindeps = true

os/.dir-locals.el

-((nil . ((lsp-rust-analyzer-cargo-target . nil)
-         (lsp-rust-all-targets . nil)
-         (lsp-rust-analyzer-cargo-all-targets . nil))))

os/Cargo.toml

-[package]
-name = "hyperion"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-ovmf-prebuilt = "0.1.0-alpha.1"
-
-[build-dependencies]
-hyperion_kernel = { path = "../kernel", artifact = "bin", target = "x86_64-unknown-none" }
-bootloader = "0.11.0"

os/build.rs

-use std::{env::var_os, path::PathBuf};
-
-//
-
-fn main() {
-    let out_dir = PathBuf::from(var_os("OUT_DIR").unwrap());
-    let kernel = PathBuf::from(var_os("CARGO_BIN_FILE_HYPERION_KERNEL").unwrap());
-
-    // create an UEFI disk image (optional)
-    let uefi_path = out_dir.join("uefi.img");
-    bootloader::UefiBoot::new(&kernel)
-        .create_disk_image(&uefi_path)
-        .unwrap();
-
-    // create a BIOS disk image (optional)
-    let bios_path = out_dir.join("bios.img");
-    bootloader::BiosBoot::new(&kernel)
-        .create_disk_image(&bios_path)
-        .unwrap();
-
-    // pass the disk image paths as env variables to the `main.rs`
-    println!("cargo:rustc-env=UEFI_PATH={}", uefi_path.display());
-    println!("cargo:rustc-env=BIOS_PATH={}", bios_path.display());
-}

os/src/main.rs

-use std::{env::args, process::Command};
-
-//
-
-fn main() {
-    let uefi_path = env!("UEFI_PATH");
-    let bios_path = env!("BIOS_PATH");
-
-    let uefi = !args().find(|s| s == "--bios").is_some();
-
-    let mut cmd = Command::new("qemu-system-x86_64");
-    if uefi {
-        cmd.arg("-bios")
-            .arg(ovmf_prebuilt::ovmf_pure_efi())
-            .arg("-drive")
-            .arg(format!("format=raw,file={uefi_path}"));
-    } else {
-        cmd.arg("-drive")
-            .arg(format!("format=raw,file={bios_path}"));
-    }
-    cmd.spawn().unwrap().wait().unwrap();
-}

rust-toolchain.toml

-[toolchain]
-channel = "nightly"