github: ci: new

Add CI for checking & building the kernel.

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  workflow_dispatch:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # Use the toolchain from rust-toolchain.toml
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+
+      - name: Verify installed toolchain and targets
+        run: |
+          rustc --version
+          rustup show
+          rustup target list --installed
+
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+
+      - name: Run clippy
+        run: cargo clippy -- -D warnings
+
+      - name: Run unit tests for libkernel
+        run: cargo test -p libkernel --target x86_64-unknown-linux-gnu --all-features

rust-toolchain.toml

@@ -1,4 +1,4 @@
 [toolchain]
 channel = "nightly"
-components = [ "rust-src", "llvm-tools-preview" ]
+components = [ "rust-src", "llvm-tools-preview", "rustfmt", "clippy" ]
 targets = [ "aarch64-unknown-none-softfloat" ]

src/fs/syscalls/chdir.rs

@@ -1,7 +1,15 @@
-use crate::{fs::VFS, memory::uaccess::{copy_to_user_slice, cstr::UserCStr}, sched::current_task};
-use core::{ffi::c_char, str::FromStr};
+use crate::{
+    fs::VFS,
+    memory::uaccess::{copy_to_user_slice, cstr::UserCStr},
+    sched::current_task,
+};
 use alloc::{ffi::CString, string::ToString};
-use libkernel::{error::{KernelError, Result}, fs::path::Path, memory::address::{TUA, UA}};
+use core::{ffi::c_char, str::FromStr};
+use libkernel::{
+    error::{KernelError, Result},
+    fs::path::Path,
+    memory::address::{TUA, UA},
+};
 
 pub async fn sys_getcwd(buf: UA, len: usize) -> Result<usize> {
     let task = current_task();

src/process/mod.rs

@@ -10,11 +10,14 @@ use alloc::{
 use creds::Credentials;
 use ctx::{Context, UserCtx};
 use fd_table::FileDescriptorTable;
-use libkernel::{fs::pathbuf::PathBuf, memory::{
-    address::VA,
-    proc_vm::{ProcessVM, vmarea::VMArea},
-}};
 use libkernel::{VirtualMemory, fs::Inode};
+use libkernel::{
+    fs::pathbuf::PathBuf,
+    memory::{
+        address::VA,
+        proc_vm::{ProcessVM, vmarea::VMArea},
+    },
+};
 use thread_group::{
     Tgid, ThreadGroup,
     builder::ThreadGroupBuilder,