From c6e8efa22e0931f63e987b04b9cd6200943849a6 Mon Sep 17 00:00:00 2001
From: Alex <enderice2@users.noreply.github.com>
Date: Mon, 13 Mar 2023 23:59:55 +0200
Subject: [PATCH] Added SIMD option in kernel arguments

---
 Core/CPU.cpp        |  3 +++
 KConfig.cpp         | 14 ++++++++++++++
 include/kconfig.hpp |  1 +
 3 files changed, 18 insertions(+)

diff --git a/Core/CPU.cpp b/Core/CPU.cpp
index 1b4705b..ad75a03 100644
--- a/Core/CPU.cpp
+++ b/Core/CPU.cpp
@@ -218,6 +218,9 @@ namespace CPU
 				SSESupport = true;
 		}
 
+		if (!Config.SIMD)
+			SSESupport = false;
+
 		if (PGESupport)
 		{
 			debug("Enabling global pages support...");
diff --git a/KConfig.cpp b/KConfig.cpp
index 0082208..730472b 100644
--- a/KConfig.cpp
+++ b/KConfig.cpp
@@ -72,6 +72,12 @@ static struct cag_option ConfigOptions[] = {
      .value_name = "BOOL",
      .description = "Enable Interrupts On Crash. If enabled, the navigation keys will be enabled on crash"},
 
+     {.identifier = 's',
+     .access_letters = NULL,
+     .access_name = "simd",
+     .value_name = "BOOL",
+     .description = "Enable SIMD instructions"},
+
     {.identifier = 'h',
      .access_letters = "h",
      .access_name = "help",
@@ -90,6 +96,7 @@ KernelConfig ParseConfig(char *Config)
                                   true,
                                   0,
                                   0,
+                                  false,
                                   false};
 
     if (Config == NULL)
@@ -382,6 +389,13 @@ ParseSuccess:
             KPrint("\eAAFFAAUnlocking the deadlock after 10 retries");
             break;
         }
+        case 's':
+        {
+            value = cag_option_get_value(&context);
+            strcmp(value, "true") ? config.SIMD = false : config.SIMD = true;
+            KPrint("\eAAFFAASingle Instruction, Multiple Data (SIMD): %s", value);
+            break;
+        }
         case 'h':
         {
             KPrint("\n---------------------------------------------------------------------------\nUsage: kernel.fsys [OPTION]...\nKernel configuration.");
diff --git a/include/kconfig.hpp b/include/kconfig.hpp
index e78c222..0a979a9 100644
--- a/include/kconfig.hpp
+++ b/include/kconfig.hpp
@@ -14,6 +14,7 @@ struct KernelConfig
     int Cores;
     int IOAPICInterruptCore;
     bool UnlockDeadLock;
+    bool SIMD;
 };
 
 KernelConfig ParseConfig(char *Config);