add rust kernel stub

11 files changed, 635 insertions, 3 deletions

diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..d430fa4
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[build]
+target = "x86_64-unknown-none"
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..f69efc7
--- /dev/null
+++ b/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"
+checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
+
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
+[[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]]
+name = "cfg-if"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268"
+
+[[package]]
+name = "cpp_demangle"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2bb79cb74d735044c972aae58ed0aaa9a837e85b01106a54c39e42e97f62253"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "crc32fast"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9481c1c90cbf2ac953f07c8d4a58aa3945c425b7185c9154d67a65e4230da511"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "dlmalloc"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa3a2dbee57b69fbb5dbe852fa9c0925697fb0c7fbcb1593e90e5ffaedf13d51"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
+[[package]]
+name = "fallible-iterator"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2acce4a10f12dc2fb14a218589d4f1f62ef011b2d0cc4b3cb1bba8e94da14649"
+
+[[package]]
+name = "flate2"
+version = "1.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "843fba2746e448b37e26a819579957415c8cef339bf08564fe8b7ddbd959573c"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
+[[package]]
+name = "foldhash"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
+[[package]]
+name = "fortanix-sgx-abi"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5efc85edd5b83e8394f4371dd0da6859dff63dd387dab8568fece6af4cde6f84"
+
+[[package]]
+name = "getopts"
+version = "0.2.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cba6ae63eb948698e300f645f87c70f76630d505f23b8907cf1e193ee85048c1"
+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
+name = "gimli"
+version = "0.32.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
+dependencies = [
+ "fallible-iterator",
+ "stable_deref_trait",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.15.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5971ac85611da7067dbfcabef3c70ebb5606018acd9e2a3903a0da507521e0d5"
+dependencies = [
+ "allocator-api2",
+ "equivalent",
+ "foldhash",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
+
+[[package]]
+name = "libc"
+version = "0.2.182"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6800badb6cb2082ffd7b6a67e6125bb39f18782f793520caee8cb8846be06112"
+
+[[package]]
+name = "memchr"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
+
+[[package]]
+name = "memmap2"
+version = "0.9.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "714098028fe011992e1c3962653c96b2d578c4b4bce9036e15ff220319b1e0e3"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "miniz_oxide"
+version = "0.8.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
+dependencies = [
+ "adler2",
+ "simd-adler32",
+]
+
+[[package]]
+name = "object"
+version = "0.37.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03fd943161069e1768b4b3d050890ba48730e590f57e56d4aa04e7e090e61b4a"
+dependencies = [
+ "flate2",
+ "memchr",
+ "ruzstd",
+]
+
+[[package]]
+name = "r-efi"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+
+[[package]]
+name = "r-efi-alloc"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc2f58ef3ca9bb0f9c44d9aa8537601bcd3df94cc9314a40178cadf7d4466354"
+dependencies = [
+ "r-efi",
+]
+
+[[package]]
+name = "rustc-demangle"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "989e6739f80c4ad5b13e0fd7fe89531180375b18520cc8c82080e4dc4035b84f"
+
+[[package]]
+name = "rustc-literal-escaper"
+version = "0.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4ee29da77c5a54f42697493cd4c9b9f31b74df666a6c04dfc4fde77abe0438b"
+
+[[package]]
+name = "ruzstd"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ff0cc5e135c8870a775d3320910cd9b564ec036b4dc0b8741629020be63f01"
+dependencies = [
+ "twox-hash",
+]
+
+[[package]]
+name = "simd-adler32"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e320a6c5ad31d271ad523dcf3ad13e2767ad8b1cb8f047f75a8aeaf8da139da2"
+
+[[package]]
+name = "smallvec"
+version = "1.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
+
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
+
+[[package]]
+name = "twox-hash"
+version = "2.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ea3136b675547379c4bd395ca6b938e5ad3c3d20fad76e7fe85f9e0d011419c"
+
+[[package]]
+name = "typed-arena"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6af6ae20167a9ece4bcb41af5b80f8a1f1df981f6391189ce00fd257af04126a"
+
+[[package]]
+name = "unicode-width"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4ac048d71ede7ee76d585517add45da530660ef4390e49b098733c6e897f254"
+
+[[package]]
+name = "unwinding"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d80f6c2bfede213d9a90b4a14f3eb99b84e33c52df6c1a15de0a100f5a88751"
+dependencies = [
+ "gimli",
+ "libc",
+]
+
+[[package]]
+name = "wasi"
+version = "0.11.1+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
+
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+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]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..c4d5b40
--- /dev/null
+++ b/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/README.md b/README.md
index a37b9f4..11c5569 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,15 @@
+# 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`
+
 # bootler
 
 hobby bootloader written in asm. It's just for playing around... for now :p
 
+run with `nix run git+https://git.mtgmonkey.net/andromeda/bootler#bootler`
+
 ### memory map
 
 ```
diff --git a/flake.lock b/flake.lock
index 811923b..6816b48 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,48 @@
 {
   "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "naersk",
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1752475459,
+        "narHash": "sha256-z6QEu4ZFuHiqdOPbYss4/Q8B0BFhacR8ts6jO/F/aOU=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "bf0d6f70f4c9a9cf8845f992105652173f4b617f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "fenix": "fenix",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1769799857,
+        "narHash": "sha256-88IFXZ7Sa1vxbz5pty0Io5qEaMQMMUPMonLa3Ls/ss4=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "9d4ed44d8b8cecdceb1d6fd76e74123d90ae6339",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1772173633,
@@ -18,7 +61,46 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1752428706,
+        "narHash": "sha256-EJcdxw3aXfP8Ex1Nm3s0awyH9egQvB2Gu+QEnJn2Sfg=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "591e3b7624be97e4443ea7b5542c191311aa141d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1772507320,
+        "narHash": "sha256-GdGXniFvtIfRiakc+ncdQYnoQjKbTCv9Imjfl4ggquI=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "1775eafa1879ac098ee436849bc9c3d963206f89",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 79bff22..d1aa1e1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,16 +1,35 @@
 {
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    naersk = {
+      url = "github:nix-community/naersk";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
   outputs = {
     nixpkgs,
+    naersk,
+    rust-overlay,
     self,
     ...
   }: let
     system = "x86_64-linux";
-    pkgs = nixpkgs.legacyPackages.${system};
+    pkgs = import nixpkgs {
+      inherit system;
+      overlays = [(import rust-overlay)];
+    };
   in {
-    packages.${system}.default = pkgs.callPackage ./nix/package.nix {};
+    packages.${system} = {
+      bootler = pkgs.callPackage ./nix/pkgs/bootler.nix {};
+      bootle = pkgs.callPackage ./nix/pkgs/bootle.nix {
+        naersk = naersk;
+        bootler = self.packages.${system}.bootler;
+      };
+    };
     devShells.${system}.default = pkgs.mkShell {
       inputsFrom = [self.packages.${system}.default];
     };
diff --git a/nix/pkgs/bootle.nix b/nix/pkgs/bootle.nix
new file mode 100644
index 0000000..5c3c63d
--- /dev/null
+++ b/nix/pkgs/bootle.nix
@@ -0,0 +1,63 @@
+{
+  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 = "${rust-toolchain.availableComponents.rust-src}/lib/rustlib/src/rust/library/Cargo.lock";
+
+  # just library build
+  copyBins = false;
+  release = true;
+
+  # build std
+  cargoBuildOptions = x: x ++ ["-Zbuild-std=core,compiler_builtins,alloc" "-Zbuild-std-features=compiler-builtins-mem"];
+
+  postInstall = ''
+    ld --oformat binary \
+      -o kernel.bin \
+      -T src/linker.ld \
+      -e _start \
+      target/x86_64-unknown-none/release/libbootle.a
+
+    dd if=/dev/zero of=disk bs=512 count=2
+    dd if=${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/nix/pkgs/bootler.nix b/nix/pkgs/bootler.nix
new file mode 100644
index 0000000..3e5d2e4
--- /dev/null
+++ b/nix/pkgs/bootler.nix
@@ -0,0 +1,49 @@
+{
+  stdenv,
+  nasm,
+  qemu,
+  ...
+}: let
+  bootImg = "boot";
+in
+  stdenv.mkDerivation {
+    pname = "bootler";
+    version = "0.1.0";
+    src = ../../.;
+    buildPhase = ''
+      ${nasm}/bin/nasm asm/boot.asm -o boot.bin
+      ${nasm}/bin/nasm asm/kernel.asm -o dummy.bin
+
+      dd if=/dev/zero of=${bootImg} bs=512 count=2
+      dd if=boot.bin of=${bootImg} conv=notrunc
+      dd if=dummy.bin of=${bootImg} bs=512 seek=1 conv=notrunc
+    '';
+    installPhase = ''
+      mkdir -p $out/bin
+      cp boot.bin $out/bin
+      cp dummy.bin $out/bin
+      cp ${bootImg} $out/bin
+
+      # create emulation binary
+      cat<<EOF>$out/bin/bootler
+      #!/usr/bin/env bash
+
+      # create temp dir
+      mkdir -p ./.bootler
+      cp $(echo $out)/bin/${bootImg} ./.bootler/${bootImg}
+      chmod a+w ./.bootler/${bootImg}
+
+      # run image
+      ${qemu}/bin/qemu-system-x86_64 \
+        -nographic \
+        -drive file=./.bootler/${bootImg},format=raw,index=0,media=disk
+
+      # clean up
+      rm ./.bootler -r
+
+      EOF
+
+      chmod +x $out/bin/${bootImg}
+      chmod +x $out/bin/bootler
+    '';
+  }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..22068c5
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,5 @@
+[toolchain]
+channel = "nightly"
+components = ["rust-src"]
+targets = ["x86_64-unknown-none"]
+profile = "default"
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..c6cb39e
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,20 @@
+#![no_std]
+#![no_main]
+
+use core::panic::PanicInfo;
+
+#[unsafe(no_mangle)]
+pub extern "C" fn _start() -> ! {
+    // 'k'
+    loop{unsafe {core::arch::asm!(
+        "out dx, al", in("al") 0x6Bu8
+    )}}
+}
+
+#[panic_handler]
+fn panic(_: &PanicInfo) -> ! {
+    // 'p'
+    loop{unsafe {core::arch::asm!(
+        "out dx, al", in("al") 0x70u8
+    )}}
+}
diff --git a/src/linker.ld b/src/linker.ld
new file mode 100644
index 0000000..b523bc5
--- /dev/null
+++ b/src/linker.ld
@@ -0,0 +1,8 @@
+SECTIONS
+{
+  . = 0x00010000;
+  .text : {
+    *(.text._start)
+    *(.text*)
+  }
+}