From bb3c1b612022a0c26fa1e1b94d7ed5bd9df4c763 Mon Sep 17 00:00:00 2001
From: able <abl3theabove@gmail.com>
Date: Sun, 28 May 2023 02:00:54 -0500
Subject: [PATCH] CPU: Added more cpu feature detection

---
 kernel/src/arch/x86_64/mod.rs | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/kernel/src/arch/x86_64/mod.rs b/kernel/src/arch/x86_64/mod.rs
index 34712d53d..0c8111626 100644
--- a/kernel/src/arch/x86_64/mod.rs
+++ b/kernel/src/arch/x86_64/mod.rs
@@ -78,11 +78,17 @@ unsafe extern "C" fn _kernel_start() -> ! {
     let mut cpu = XMLElement::new("cpu");
     let core_count = smp.cpu_count.to_string();
     cpu.set_attribute("core count", core_count);
+    for x in 0..smp.cpu_count {
+        let core_name = alloc::format!("core_{}", x);
+        let core = XMLElement::new(core_name);
+        cpu.set_child(core);
+    }
+
     cpu.set_attribute("brand string", brand_string);
 
     let _cpu_speed = 0;
 
-    cpu.set_attribute("speed", "Unknown");
+    cpu.set_attribute("speed", "unknown");
 
     if false {
         // disable()     // disable interrupts (if still not done)
@@ -96,14 +102,29 @@ unsafe extern "C" fn _kernel_start() -> ! {
 
     let mut cpu_features = xml::XMLElement::new("CPU Features");
     {
-        let x2 = cpuinfo.x2apic();
         let apic = cpuinfo.apic();
-        let _avx = cpuinfo.avx();
+        let avx = cpuinfo.avx();
+        let avx2 = cpuinfo.avx2();
+        let x2 = cpuinfo.x2apic();
+
+        let gb_pages = cpuinfo.gigabyte_pages();
+        let rdseed = cpuinfo.rdseed();
+        let rdrand = cpuinfo.rdrand();
 
         cpu_features.set_attribute("apic", apic.to_string());
-        cpu_features.set_attribute("avx", apic.to_string());
+        cpu_features.set_attribute("avx", avx.to_string());
+        cpu_features.set_attribute("avx2", avx2.to_string());
+        cpu_features.set_attribute("gigabyte pages", gb_pages.to_string());
+        cpu_features.set_attribute("rdrand", rdrand.to_string());
+        cpu_features.set_attribute("rdseed", rdseed.to_string());
         cpu_features.set_attribute("x2apic", x2.to_string());
     }
+    if cpuinfo.digital_temperature_sensor() {
+        let mut temperature_child = XMLElement::new("Temperature");
+
+        temperature_child.set_attribute("degrees", "Unknown");
+        cpu.set_child(temperature_child);
+    }
 
     cpu.set_child(cpu_features);
     cpus.push(cpu);
@@ -156,6 +177,7 @@ unsafe extern "C" fn _kernel_start() -> ! {
         dis.swap_buffers();
     };
 
+    // TODO: Add in rdseed and rdrand as sources for randomness
     let _rand = xml::XMLElement::new("Random");
 
     crate::kmain::kmain(