From bfea023c76194e1412015a1ec01bdaacde16addd Mon Sep 17 00:00:00 2001
From: mii <mii@sfc.wide.ad.jp>
Date: Mon, 30 Jun 2025 20:56:25 +0900
Subject: [PATCH] add kernel

---
 .gitignore                       |  1 +
 nel_os_bootloader/src/main.rs    |  2 ++
 nel_os_kernel/.cargo/config.toml |  6 ++++++
 nel_os_kernel/Cargo.lock         |  7 +++++++
 nel_os_kernel/Cargo.toml         |  6 ++++++
 nel_os_kernel/src/main.rs        |  3 +++
 nel_os_kernel/x86_64-nel_os.json | 16 ++++++++++++++++
 7 files changed, 41 insertions(+)
 create mode 100644 nel_os_kernel/.cargo/config.toml
 create mode 100644 nel_os_kernel/Cargo.lock
 create mode 100644 nel_os_kernel/Cargo.toml
 create mode 100644 nel_os_kernel/src/main.rs
 create mode 100644 nel_os_kernel/x86_64-nel_os.json

diff --git a/.gitignore b/.gitignore
index 59436ae..de09ee9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 nel_os_bootloader/target
+nel_os_kernel/target
diff --git a/nel_os_bootloader/src/main.rs b/nel_os_bootloader/src/main.rs
index b40c56d..71670e6 100644
--- a/nel_os_bootloader/src/main.rs
+++ b/nel_os_bootloader/src/main.rs
@@ -35,6 +35,8 @@ fn get_fs() -> Directory {
 fn main() -> Status {
     uefi::helpers::init().unwrap();
 
+    uefi::system::with_stdout(|stdout| stdout.clear().unwrap());
+
     println!("\nnel_os bootloader");
 
     let memory_map = uefi::boot::memory_map(MemoryType::LOADER_DATA).unwrap();
diff --git a/nel_os_kernel/.cargo/config.toml b/nel_os_kernel/.cargo/config.toml
new file mode 100644
index 0000000..e645d32
--- /dev/null
+++ b/nel_os_kernel/.cargo/config.toml
@@ -0,0 +1,6 @@
+[unstable]
+build-std = ["core", "compiler_builtins", "alloc"]
+build-std-features = ["compiler-builtins-mem"]
+
+[build]
+target = "x86_64-nel_os.json"
diff --git a/nel_os_kernel/Cargo.lock b/nel_os_kernel/Cargo.lock
new file mode 100644
index 0000000..065bd87
--- /dev/null
+++ b/nel_os_kernel/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "nel_os_kernel"
+version = "0.1.0"
diff --git a/nel_os_kernel/Cargo.toml b/nel_os_kernel/Cargo.toml
new file mode 100644
index 0000000..f710101
--- /dev/null
+++ b/nel_os_kernel/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "nel_os_kernel"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/nel_os_kernel/src/main.rs b/nel_os_kernel/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/nel_os_kernel/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}
diff --git a/nel_os_kernel/x86_64-nel_os.json b/nel_os_kernel/x86_64-nel_os.json
new file mode 100644
index 0000000..77e4d1d
--- /dev/null
+++ b/nel_os_kernel/x86_64-nel_os.json
@@ -0,0 +1,16 @@
+{
+    "llvm-target": "x86_64-unknown-none",
+    "data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128",
+    "arch": "x86_64",
+    "target-endian": "little",
+    "target-pointer-width": "64",
+    "target-c-int-width": "32",
+    "os": "none",
+    "executables": true,
+    "linker-flavor": "ld.lld",
+    "linker": "rust-lld",
+    "panic-strategy": "abort",
+    "disable-redzone": true,
+    "features": "-mmx,-sse,+soft-float",
+    "rustc-abi": "x86-softfloat"
+}