Kernel: 'cpuinfo' command in shell now shows wheter you are running on 64-bit cpu

kernel/arch/i386/CPUID.cpp

@@ -46,4 +46,18 @@ namespace CPUID
 		edx = buffer[3];
 	}
 
+	bool Is64Bit()
+	{
+		if (!IsAvailable())
+			return false;
+		
+		uint32_t buffer[4] {};
+		get_cpuid(0x80000000, buffer);
+		if (buffer[0] < 0x80000001)
+			return false;
+
+		get_cpuid(0x80000001, buffer);
+		return buffer[3] & (1 << 29);
+	}
+
 }

kernel/include/kernel/CPUID.h

@@ -151,5 +151,6 @@ namespace CPUID
 	bool IsAvailable();
 	const char* GetVendor();
 	void GetFeatures(uint32_t& ecx, uint32_t& edx);
+	bool Is64Bit();
 
 }

kernel/kernel/Shell.cpp

@@ -120,6 +120,7 @@ namespace Kernel
 			CPUID::GetFeatures(ecx, edx);
 
 			TTY_PRINTLN("Vendor: '{}'", vendor);
+			TTY_PRINTLN("64-bit: {}", CPUID::Is64Bit());
 			bool first = true;
 			for (int i = 0; i < 32; i++)
 				if (ecx & ((uint32_t)1 << i))