From c264865d49c199427a53d76ff3c141b7320dccea Mon Sep 17 00:00:00 2001
From: able <abl3theabove@gmail.com>
Date: Wed, 12 Jul 2023 09:01:58 -0500
Subject: [PATCH] X86: cpuid changes

---
 kernel/src/arch/x86_64/cpuid.rs | 27 +++++++++++++++++++++++++--
 kernel/src/arch/x86_64/mod.rs   |  1 +
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/kernel/src/arch/x86_64/cpuid.rs b/kernel/src/arch/x86_64/cpuid.rs
index f94d77f..e0ed015 100644
--- a/kernel/src/arch/x86_64/cpuid.rs
+++ b/kernel/src/arch/x86_64/cpuid.rs
@@ -1,5 +1,7 @@
-use core::{arch::asm, fmt, ops::Deref, slice, str};
-
+use {
+    alloc::vec::Vec,
+    core::{arch::asm, fmt, ops::Deref, slice, str},
+};
 #[repr(u32)]
 pub enum RequestType {
     BasicInformation = 0x0000_0000,
@@ -767,6 +769,27 @@ impl Master {
             physical_address_size: pas,
         }
     }
+    // TODO: Macroify this and also include all of the cpu features from self
+    pub fn features(&self) -> Vec<(&str, bool)> {
+        let mut fv = Vec::new();
+        let apic = self.apic();
+        let avx = self.avx();
+        let avx2 = self.avx2();
+        let x2 = self.x2apic();
+
+        let gb_pages = self.gigabyte_pages();
+        let rdseed = self.rdseed();
+        let rdrand = self.rdrand();
+
+        fv.push(("apic", apic));
+        fv.push(("avx", avx));
+        fv.push(("avx2", avx2));
+        fv.push(("gigabyte pages", gb_pages));
+        fv.push(("rdrand", rdrand));
+        fv.push(("rdseed", rdseed));
+        fv.push(("x2apic", x2));
+        fv
+    }
 
     master_attr_reader!(version_information, VersionInformation);
     master_attr_reader!(
diff --git a/kernel/src/arch/x86_64/mod.rs b/kernel/src/arch/x86_64/mod.rs
index 0151c7d..a7d141f 100644
--- a/kernel/src/arch/x86_64/mod.rs
+++ b/kernel/src/arch/x86_64/mod.rs
@@ -102,6 +102,7 @@ unsafe extern "C" fn _kernel_start() -> ! {
 
     let mut cpu_features = xml::XMLElement::new("CPU Features");
     {
+        cpuinfo.version_information().unwrap();
         let apic = cpuinfo.apic();
         let avx = cpuinfo.avx();
         let avx2 = cpuinfo.avx2();