Initialize GcManager

src/kernel/src/fs/dev/cdev.rs

@@ -195,6 +195,7 @@ bitflags! {
     #[derive(Debug, Clone, Copy)]
     pub struct DriverFlags: u32 {
         const D_NEEDMINOR = 0x00800000;
+        const D_INIT = 0x80000000;
     }
 }
 

src/kernel/src/gc/mod.rs

@@ -0,0 +1,36 @@
+use std::sync::Arc;
+
+use crate::{
+    errno::Errno,
+    fs::{make_dev, Cdev, CdevSw, DriverFlags, MakeDev, Mode, OpenFlags},
+    process::VThread,
+    ucred::{Gid, Uid},
+};
+
+pub struct GcManager {}
+
+impl GcManager {
+    pub fn new() -> () {
+        let gc_devsw = Arc::new(CdevSw::new(DriverFlags::D_INIT, Some(Self::gc_open), None));
+
+        let _gc = make_dev(
+            &gc_devsw,
+            0,
+            "gc",
+            Uid::ROOT,
+            Gid::ROOT,
+            Mode::new(0o666).unwrap(),
+            None,
+            MakeDev::MAKEDEV_ETERNAL,
+        );
+    }
+
+    fn gc_open(
+        _gc: &Arc<Cdev>,
+        _flags: OpenFlags,
+        _mode: i32,
+        _td: Option<&VThread>,
+    ) -> Result<(), Box<dyn Errno>> {
+        todo!()
+    }
+}

src/kernel/src/main.rs

@@ -4,6 +4,7 @@ use crate::debug::{DebugManager, DebugManagerInitError};
 use crate::dmem::DmemManager;
 use crate::ee::{EntryArg, RawFn};
 use crate::fs::{Fs, FsError, MountError, MountFlags, MountOpts, VPath};
+use crate::gc::GcManager;
 use crate::kqueue::KernelQueueManager;
 use crate::llvm::Llvm;
 use crate::log::{print, LOGGER};
@@ -42,6 +43,7 @@ mod dmem;
 mod ee;
 mod errno;
 mod fs;
+mod gc;
 mod idt;
 mod kqueue;
 mod llvm;
@@ -276,6 +278,7 @@ fn run<E: crate::ee::ExecutionEngine>(
     TimeManager::new(&mut syscalls);
     KernelQueueManager::new(&mut syscalls);
     NetManager::new(&mut syscalls);
+    GcManager::new();
 
     // TODO: Get correct budget name from the PS4.
     let budget_id = budget.create(Budget::new("big app", ProcType::BigApp));