add vmm mod

src/lib.rs

@@ -14,6 +14,7 @@ pub mod interrupts;
 pub mod memory;
 pub mod serial;
 pub mod vga_buffer;
+pub mod vmm;
 
 use core::panic::PanicInfo;
 

src/main.rs

@@ -12,6 +12,7 @@ use nel_os::{
     allocator,
     memory::{self, BootInfoFrameAllocator},
     println,
+    vmm::support::{has_intel_cpu, has_vmx_support},
 };
 use x86_64::VirtAddr;
 
@@ -41,6 +42,9 @@ fn kernel_main(boot_info: &'static BootInfo) -> ! {
 
     allocator::init_heap(&mut mapper, &mut frame_allocator).expect("heap initialization failed");
 
+    println!("has_intel_cpu: {}", has_intel_cpu());
+    println!("has_vmx_support: {}", has_vmx_support());
+
     #[cfg(test)]
     test_main();
 

src/vmm/mod.rs

@@ -0,0 +1 @@
+pub mod support;

src/vmm/support.rs

@@ -0,0 +1,19 @@
+pub fn has_intel_cpu() -> bool {
+    let cpuid = x86::cpuid::CpuId::new();
+    if let Some(vi) = cpuid.get_vendor_info() {
+        if vi.as_str() == "GenuineIntel" {
+            return true;
+        }
+    }
+    false
+}
+
+pub fn has_vmx_support() -> bool {
+    let cpuid = x86::cpuid::CpuId::new();
+    if let Some(fi) = cpuid.get_feature_info() {
+        if fi.has_vmx() {
+            return true;
+        }
+    }
+    false
+}