add KePanic instead of splattering _disable __halt everywhere, implement a DMA + interrupts path to the IDE driver, move the dynamic arrays from kmain.c to ke_utils.h, remove weird unicode chars

code/kernel/mm_phys.c

@@ -120,7 +120,7 @@ void MmFreeFrame(PHYSICAL_ADDRESS frame) {
     uintptr_t flags = KeAcquireSpinlock(&gFrameStack.Lock);
     if (gFrameStack.Top < gFrameStack.Capacity)
         gFrameStack.Stack[gFrameStack.Top++] = frame;
-    // else: stack full — leak rather than corrupt
+    // else: stack full - leak rather than corrupt
     KeReleaseSpinlock(&gFrameStack.Lock, flags);
 }