Get CPU features

kernel/scheme/sys/cpu.rs

@@ -0,0 +1,13 @@
+use collections::Vec;
+
+use arch::device::cpu::cpu_info;
+use syscall::error::{Error, EIO, Result};
+
+pub fn resource() -> Result<Vec<u8>> {
+    let mut string = format!("CPUs: {}\n", ::cpu_count());
+
+    match cpu_info(&mut string) {
+        Ok(()) => Ok(string.into_bytes()),
+        Err(_) => Err(Error::new(EIO))
+    }
+}

kernel/scheme/sys/mod.rs

@@ -10,6 +10,7 @@ use syscall::flag::{MODE_DIR, MODE_FILE, SEEK_CUR, SEEK_END, SEEK_SET};
 use syscall::scheme::Scheme;
 
 mod context;
+mod cpu;
 mod memory;
 mod scheme;
 //mod interrupt;
@@ -37,6 +38,7 @@ impl SysScheme {
         let mut files: BTreeMap<&'static [u8], Box<SysFn>> = BTreeMap::new();
 
         files.insert(b"context", Box::new(move || context::resource()));
+        files.insert(b"cpu", Box::new(move || cpu::resource()));
         files.insert(b"memory", Box::new(move || memory::resource()));
         files.insert(b"scheme", Box::new(move || scheme::resource()));
         //files.insert(b"interrupt", Box::new(move || interrupt::resource()));