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+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c8ffb332579b0557b52d268b91feab8df3615f265d5270fec2a8c95b17c1142"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "052be0f94026e6cbc75cdefc9bae13fd6052cdcaf532fa6c45e7ae33a1e6c810"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07bc0c051dc5f23e307b13285f9d75df86bfdf816c5721e573dec1f9b8aa193c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-util"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "wyz"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
+dependencies = [
+ "tap",
+]
+
+[[package]]
+name = "x86_64"
+version = "0.14.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "100555a863c0092238c2e0e814c1096c1e5cf066a309c696a87e907b5f8c5d69"
+dependencies = [
+ "bit_field",
+ "bitflags",
+ "rustversion",
+ "volatile",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 099d9f7ad6e4dc9bf909a66f4bcfd0f922652afc..ae0b0bba85908848422c61e2152aa9543126f776 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,19 +1,11 @@
-[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"
+[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
diff --git a/kernel/.dir-locals.el b/kernel/.dir-locals.el
new file mode 100644
index 0000000000000000000000000000000000000000..df82ef173787a5970a17c5df92c808e67a900a0e
--- /dev/null
+++ b/kernel/.dir-locals.el
@@ -0,0 +1,3 @@
+((nil . ((lsp-rust-analyzer-cargo-target . "x86_64-unknown-none")
+ (lsp-rust-all-targets . nil)
+ (lsp-rust-analyzer-cargo-all-targets . nil))))
diff --git a/kernel/Cargo.toml b/kernel/Cargo.toml
new file mode 100644
index 0000000000000000000000000000000000000000..32232e05630125b1c061f3f79404bce267691384
--- /dev/null
+++ b/kernel/Cargo.toml
@@ -0,0 +1,12 @@
+[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"
diff --git a/kernel/src/cfg.rs b/kernel/src/cfg.rs
new file mode 100644
index 0000000000000000000000000000000000000000..9c0f20e1d330059b5ff06f5e10457e89c93058d6
--- /dev/null
+++ b/kernel/src/cfg.rs
@@ -0,0 +1,7 @@
+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!(super::kernel_main, config = &CONFIG);
diff --git a/kernel/src/framebuffer.rs b/kernel/src/framebuffer.rs
new file mode 100644
index 0000000000000000000000000000000000000000..619f913c46ad1a9023558525f885959753557bc4
--- /dev/null
+++ b/kernel/src/framebuffer.rs
@@ -0,0 +1,62 @@
+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
+};
diff --git a/kernel/src/idt.rs b/kernel/src/idt.rs
new file mode 100644
index 0000000000000000000000000000000000000000..eb266e163e2757f56710a189fc48c30c99fcf391
--- /dev/null
+++ b/kernel/src/idt.rs
@@ -0,0 +1,8 @@
+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) {}
diff --git a/kernel/src/instructions.rs b/kernel/src/instructions.rs
new file mode 100644
index 0000000000000000000000000000000000000000..a56dbf9ed047b2fadad8b39d2ad99ff61e310c58
--- /dev/null
+++ b/kernel/src/instructions.rs
@@ -0,0 +1,10 @@
+use core::arch::asm;
+
+//
+
+/// Halts the CPU and never returns
+pub fn hlt() -> ! {
+ loop {
+ unsafe { asm!("hlt") }
+ }
+}
diff --git a/kernel/src/main.rs b/kernel/src/main.rs
new file mode 100644
index 0000000000000000000000000000000000000000..6d4ee213e2edaba1d3217c8b5790588e86ede377
--- /dev/null
+++ b/kernel/src/main.rs
@@ -0,0 +1,23 @@
+#![no_std]
+#![no_main]
+#![feature(abi_x86_interrupt)]
+
+pub mod cfg;
+pub mod framebuffer;
+pub mod idt;
+pub mod instructions;
+
+#[panic_handler]
+fn panic_handler(_: &core::panic::PanicInfo) -> ! {
+ instructions::hlt();
+}
+
+fn kernel_main(boot_info: &'static mut bootloader_api::BootInfo) -> ! {
+ framebuffer::init(boot_info);
+ framebuffer::clear();
+ framebuffer::print_char(b'H');
+
+ idt::init();
+
+ instructions::hlt();
+}
diff --git a/os/.cargo/config.toml b/os/.cargo/config.toml
new file mode 100644
index 0000000000000000000000000000000000000000..dfa84e8500a6d66470a3adfcdf4608b365626c0a
--- /dev/null
+++ b/os/.cargo/config.toml
@@ -0,0 +1,2 @@
+[unstable]
+bindeps = true
diff --git a/os/.dir-locals.el b/os/.dir-locals.el
new file mode 100644
index 0000000000000000000000000000000000000000..7baa4f3fb13372189e651813877958528027ce81
--- /dev/null
+++ b/os/.dir-locals.el
@@ -0,0 +1,3 @@
+((nil . ((lsp-rust-analyzer-cargo-target . nil)
+ (lsp-rust-all-targets . nil)
+ (lsp-rust-analyzer-cargo-all-targets . nil))))
diff --git a/os/Cargo.toml b/os/Cargo.toml
new file mode 100644
index 0000000000000000000000000000000000000000..5794f1a57f2387185c808bea7c9f48b7094da668
--- /dev/null
+++ b/os/Cargo.toml
@@ -0,0 +1,13 @@
+[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"
diff --git a/os/build.rs b/os/build.rs
new file mode 100644
index 0000000000000000000000000000000000000000..05e5ce88c38e49239fc711c89d805bac09b72a51
--- /dev/null
+++ b/os/build.rs
@@ -0,0 +1,24 @@
+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());
+}
diff --git a/os/src/main.rs b/os/src/main.rs
new file mode 100644
index 0000000000000000000000000000000000000000..56ba2c09d6488937dd5c4cd2624bbf26baf61e89
--- /dev/null
+++ b/os/src/main.rs
@@ -0,0 +1,22 @@
+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();
+}
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000000000000000000000000000000000000..5d56faf9ae08cb604e06df9aa6281e2b51ce5809
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,2 @@
+[toolchain]
+channel = "nightly"