From e538cc6b8ba22bc8c57e7016e1b29c9ee7f23e3c Mon Sep 17 00:00:00 2001
From: pointer-to-bios <pointer-to-bios@outlook.com>
Date: Thu, 12 Sep 2024 07:28:31 +0800
Subject: [PATCH] start

---
 .cargo/config.toml    | 20 ++++++++++++++++++++
 .gitignore            |  1 +
 .vscode/settings.json |  7 +++++++
 Cargo.lock            |  7 +++++++
 Cargo.toml            | 16 ++++++++++++++++
 build.rs              | 30 ++++++++++++++++++++++++++++++
 src/kernel_end.ll     |  1 +
 src/lib.rs            | 13 +++++++++++++
 src/memm/manager.rs   |  0
 src/memm/mod.rs       |  0
 src/plugin/api_bus.rs |  6 ++++++
 src/plugin/mod.rs     |  1 +
 12 files changed, 102 insertions(+)
 create mode 100644 .cargo/config.toml
 create mode 100644 .gitignore
 create mode 100644 .vscode/settings.json
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 build.rs
 create mode 100644 src/kernel_end.ll
 create mode 100644 src/lib.rs
 create mode 100644 src/memm/manager.rs
 create mode 100644 src/memm/mod.rs
 create mode 100644 src/plugin/api_bus.rs
 create mode 100644 src/plugin/mod.rs

diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..fbff60b
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,20 @@
+[alias]
+b = "build"
+br = "build --release"
+c = "check"
+t = "test"
+r = "run"
+rr = "run --release"
+
+[build]
+incremental = true
+pipelining = true
+rustflags = [
+    "-C", "code-model=large",
+    "-C", "relocation-model=static",
+    "-C", "embed-bitcode=no"
+]
+target = ["x86_64-unknown-none"]
+
+[profile.x86_64-unknown-none]
+panic = "abort"
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..cb0449c
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "rust-analyzer.cargo.allTargets": false,
+    "rust-analyzer.cargo.extraArgs": [
+        "--target",
+        "x86_64-unknown-none"
+    ]
+}
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..04727f6
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "nonx"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..3e7a059
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "nonx"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+
+[features]
+default = ["large"]
+large = []          # Enable for server or desktop devices.
+small = []          # Enable for legacy server or desktop devices.
+embeded = []        # Enable for embeded devices and extremely old devices.
+
+[lib]
+crate-type = ["staticlib"]
+test = false
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..8d9454b
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,30 @@
+use std::{env, path::Path, process::Command};
+
+fn main() {
+    let out_dir = env::var("OUT_DIR").unwrap();
+    Command::new("llvm-as")
+        .args(&["src/kernel_end.ll", "-o"])
+        .arg(&format!("{}/kernel_end.bc", out_dir))
+        .status()
+        .unwrap();
+    Command::new("llc")
+        .arg(&format!("{}/kernel_end.bc", out_dir))
+        .arg("-o")
+        .arg(&format!("{}/kernel_end.s", out_dir))
+        .status()
+        .unwrap();
+    Command::new("as")
+        .arg("-o")
+        .arg(&format!("{}/kernel_end.o", out_dir))
+        .arg(&format!("{}/kernel_end.s", out_dir))
+        .status()
+        .unwrap();
+    Command::new("ar")
+        .args(&["crus", "libkernel_end.a", "kernel_end.o"])
+        .current_dir(&Path::new(&out_dir))
+        .status()
+        .unwrap();
+    println!("cargo::rustc-link-search=native={}", out_dir);
+    println!("cargo::rustc-link-lib=static=kernel_end");
+    println!("cargo::rerun-if-changed=src/kernel_end.ll");
+}
diff --git a/src/kernel_end.ll b/src/kernel_end.ll
new file mode 100644
index 0000000..7d20171
--- /dev/null
+++ b/src/kernel_end.ll
@@ -0,0 +1 @@
+@KERNEL_END = global i32 0, section ".kernel-end"
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..24e4ea8
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,13 @@
+#![no_std]
+
+extern crate alloc;
+
+use core::panic::PanicInfo;
+
+pub mod memm;
+pub mod plugin;
+
+#[panic_handler]
+fn panic_handler(_panic: &PanicInfo) -> ! {
+    loop {}
+}
diff --git a/src/memm/manager.rs b/src/memm/manager.rs
new file mode 100644
index 0000000..e69de29
diff --git a/src/memm/mod.rs b/src/memm/mod.rs
new file mode 100644
index 0000000..e69de29
diff --git a/src/plugin/api_bus.rs b/src/plugin/api_bus.rs
new file mode 100644
index 0000000..0c9f54f
--- /dev/null
+++ b/src/plugin/api_bus.rs
@@ -0,0 +1,6 @@
+use alloc::string::String;
+
+struct APIRegister{
+    name: String,
+    call: *mut fn(),
+}
diff --git a/src/plugin/mod.rs b/src/plugin/mod.rs
new file mode 100644
index 0000000..a355c48
--- /dev/null
+++ b/src/plugin/mod.rs
@@ -0,0 +1 @@
+pub mod api_bus;
\ No newline at end of file