Merge pull request 'Added CPU::GetCacheLineSize() definition for Windows.' (#16) from NetChannels into main

Reviewed-on: #16

src/system/CPU_MSVC_AMD64.asm

@@ -6,6 +6,7 @@ global ?GetExtFeatureBits_1@CPU@ehs@@SAIXZ
 global ?GetExtFeatureBits_2@CPU@ehs@@SAKXZ
 global ?GetExtFeatureBits_3@CPU@ehs@@SAKXZ
 global ?GetBrand@CPU@ehs@@SAXPEAD@Z
+global ?GetCacheLineSize@CPU@ehs@@SAEXZ
 
 section .text
     ?GetManufacturer@CPU@ehs@@SAXPEAD@Z:
@@ -124,4 +125,17 @@ section .text
 
         POP RBX
 
+        RET
+
+    ?GetCacheLineSize@CPU@ehs@@SAEXZ:
+        PUSH RBX
+
+        MOV EAX, 0x80000006
+        CPUID
+
+        XOR EAX, EAX
+        MOV AL, CL
+
+        POP RBX
+
         RET