9 files changed, 552 insertions, 0 deletions
diff --git a/bootle/.cargo/config.toml b/bootle/.cargo/config.toml
new file mode 100644
index 0000000..74cdc7b
--- /dev/null
+++ b/bootle/.cargo/config.toml
@@ -0,0 +1,5 @@
+[build]
+target = "x86_64-unknown-none"
+rustflags = [
+  "-Crelocation-model=static"
+]
diff --git a/bootle/CHANGELOG.md b/bootle/CHANGELOG.md
new file mode 100644
index 0000000..53c30a7
--- /dev/null
+++ b/bootle/CHANGELOG.md
@@ -0,0 +1,7 @@
+# Changelog
+
+## [0.1.0] - 2026-03-05
+
+### Added
+
+- CHANGELOG.md
diff --git a/bootle/Cargo.lock b/bootle/Cargo.lock
new file mode 100644
index 0000000..f69efc7
--- /dev/null
+++ b/bootle/Cargo.lock
@@ -0,0 +1,359 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "addr2line"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9acbfca36652500c911ddb767ed433e3ed99b032b5d935be73c6923662db1d43"
+dependencies = [
+ "cpp_demangle",
+ "fallible-iterator",
+ "gimli",
+ "memmap2",
+ "object",
+ "rustc-demangle",
+ "smallvec",
+ "typed-arena",
+]
+
+[[package]]
+name = "adler2"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
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+
+[[package]]
+name = "bootle"
+version = "0.1.0"
+dependencies = [
+ "addr2line",
+ "cfg-if",
+ "dlmalloc",
+ "fortanix-sgx-abi",
+ "getopts",
+ "hashbrown",
+ "hermit-abi",
+ "object",
+ "r-efi",
+ "r-efi-alloc",
+ "rustc-demangle",
+ "rustc-literal-escaper",
+ "unwinding",
+ "wasi",
+]
+
+[[package]]
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+ "cfg-if",
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+
+[[package]]
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+
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+ "cfg-if",
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
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+ "crc32fast",
+ "miniz_oxide",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
+[[package]]
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+
+[[package]]
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+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
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+ "fallible-iterator",
+ "stable_deref_trait",
+]
+
+[[package]]
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+dependencies = [
+ "allocator-api2",
+ "equivalent",
+ "foldhash",
+]
+
+[[package]]
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+ "adler2",
+ "simd-adler32",
+]
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+ "flate2",
+ "memchr",
+ "ruzstd",
+]
+
+[[package]]
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+ "libc",
+]
+
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+]
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+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
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diff --git a/bootle/Cargo.toml b/bootle/Cargo.toml
new file mode 100644
index 0000000..c4d5b40
--- /dev/null
+++ b/bootle/Cargo.toml
@@ -0,0 +1,17 @@
+[package]
+name = "bootle"
+version = "0.1.0"
+edition = "2024"
+
+[lib]
+crate-type = ["staticlib"]
+
+[dependencies]
+
+[profile.release]
+panic = "abort"
+opt-level = 'z'
+debug = false
+
+[profile.dev]
+panic = "abort"
diff --git a/bootle/README.md b/bootle/README.md
new file mode 100644
index 0000000..da47027
--- /dev/null
+++ b/bootle/README.md
@@ -0,0 +1,28 @@
+# bootle
+
+hobby kernel written in rust. It's just for playing around... for now :p
+
+run with `nix run git+https://git.mtgmonkey.net/andromeda/bootler#bootle`
+
+### memory map
+
+```
++------ 0x00100000 ------+
+| hardware, bios stuff   |
++------ 0x00080000 ------+
+|                        |
+|                        |
++------ 0x00010200 ------+
+| kernel                 |
++------ 0x00010000 ------+
+| bootloader stuff       |
+| includes stack, gdt,   |
+| idt for the time being |
++------ 0x00000500 ------+
+| bios stuff             |
++------ 0x00000000 ------+
+```
+
+---
+
+this project follows [Common Changelog](https://common-changelog.org) guidelines
diff --git a/bootle/package.nix b/bootle/package.nix
new file mode 100644
index 0000000..a5de5eb
--- /dev/null
+++ b/bootle/package.nix
@@ -0,0 +1,68 @@
+{
+  callPackage,
+  rust-bin,
+  naersk,
+  bootler,
+  qemu,
+  ...
+}: let
+  rust-toolchain = rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
+  naersk' = callPackage naersk {
+    cargo = rust-toolchain;
+    rustc = rust-toolchain;
+    clippy = rust-toolchain;
+  };
+in (naersk'.buildPackage {
+  src = ./.;
+
+  # deps for rust-src
+  additionalCargoLock = "${rust-toolchain.availableComponents.rust-src}/lib/rustlib/src/rust/library/Cargo.lock";
+
+  # just library build
+  copyBins = false;
+  copyLibs = true;
+  release = true;
+
+  # build std
+  cargoBuildOptions = x:
+    x
+    ++ [
+      "-Zbuild-std"
+    ];
+
+  postInstall = ''
+    ld --oformat binary \
+      -o kernel.bin \
+      -T src/linker.ld \
+      -e _start \
+      target/x86_64-unknown-none/release/libbootle.a
+
+    dd if=/dev/zero of=disk bs=512 count=2
+    dd if=${bootler}/bin/boot.bin of=disk conv=notrunc
+    dd if=kernel.bin of=disk bs=512 seek=1 conv=notrunc
+
+    mkdir -p $out/lib
+    mkdir -p $out/bin
+
+    cat<<EOF>$out/bin/bootle
+    #!/usr/bin/env bash
+
+    mkdir -p ./.bootle
+    cp $(echo $out)/bin/disk ./.bootle/disk
+    chmod a+w ./.bootle/disk
+
+    ${qemu}/bin/qemu-system-x86_64 \
+      -nographic \
+      -drive file=./.bootle/disk,format=raw,index=0,media=disk
+
+    rm ./.bootle -r
+
+    EOF
+
+    chmod +x $out/bin/bootle
+
+    cp target/x86_64-unknown-none/release/libbootle.a $out/lib
+    cp kernel.bin $out/bin
+    cp disk $out/bin
+  '';
+})
diff --git a/bootle/rust-toolchain.toml b/bootle/rust-toolchain.toml
new file mode 100644
index 0000000..22068c5
--- /dev/null
+++ b/bootle/rust-toolchain.toml
@@ -0,0 +1,5 @@
+[toolchain]
+channel = "nightly"
+components = ["rust-src"]
+targets = ["x86_64-unknown-none"]
+profile = "default"
diff --git a/bootle/src/lib.rs b/bootle/src/lib.rs
new file mode 100644
index 0000000..adc1aab
--- /dev/null
+++ b/bootle/src/lib.rs
@@ -0,0 +1,55 @@
+#![no_std]
+#![no_main]
+
+use core::panic::PanicInfo;
+
+#[unsafe(no_mangle)]
+pub extern "C" fn _start() -> ! {
+    welcome_serial();
+    halt()
+}
+
+fn print_serial(s: &str) {
+    let mut bytes = s.bytes();
+    while let Some(b) = bytes.next() {
+        unsafe {
+            core::arch::asm!(
+                "out dx, al"
+                , in("al") b
+            )
+        };
+    }
+}
+
+fn println_serial(s: &str) {
+    print_serial(s);
+    print_serial("\n");
+}
+
+fn welcome_serial() {
+    print_serial(ANSI_PINK);
+    println_serial("\nWelcome to Bootle OS");
+    println_serial("All code GPL licensed and freely available on git.mtgmonkey.net");
+    print_serial("Enjoy your time! Press ");
+    print_serial(ANSI_RED);
+    print_serial("ctrl+a x");
+    print_serial(ANSI_PINK);
+    println_serial(" to escape Qemu");
+    print_serial(ANSI_CLEAR);
+}
+
+#[panic_handler]
+fn panic(_: &PanicInfo) -> ! {
+    print_serial("panicked");
+    halt()
+}
+
+fn halt() -> ! {
+    unsafe { core::arch::asm!("hlt") };
+    halt()
+}
+
+const ANSI_CLEAR: &str = "\x1b[0m";
+const ANSI_RED: &str = "\x1b[31m";
+const ANSI_PINK: &str = "\x1b[35m";
+const ANSI_GREEN: &str = "\x1b[32m";
diff --git a/bootle/src/linker.ld b/bootle/src/linker.ld
new file mode 100644
index 0000000..b523bc5
--- /dev/null
+++ b/bootle/src/linker.ld
@@ -0,0 +1,8 @@
+SECTIONS
+{
+  . = 0x00010000;
+  .text : {
+    *(.text._start)
+    *(.text*)
+  }
+}