fix ps/2 mouse init, make Stall more precise, rename CurrentProcess to KeGetCurrentProcess, correct type about maneuvers, add file writing to win32

code/kernel/kmain.c

@@ -113,7 +113,7 @@ static void InitializeDrivers(BOOT_INFO* bootInfo, const HAL_API* hal) {
             continue;
         }
 
-        // memcpy manouvers
+        // memcpy maneuvers
         memcpy(path, "drivers\\", 8);
         memcpy(path + 8, runtimeKeys[i], len + 1);
 
@@ -329,7 +329,7 @@ void SystemInitThread(void* arg) {
             DbgPrint("SystemInitThread: Failed to create watcher thread (%d) -- leaking proc ref.\n", ws);
         }
     }
-
+    
     MmFreePool(args);
 }
 
@@ -340,7 +340,10 @@ extern void KernelMain(BOOT_INFO* bootInfo) {
     //
     // Physical & Virtual Memory initialization
     //
-    MmInitializePhysical(&bootInfo->MemoryMap, bootInfo->PhysicalMapBase);
+    if (!MmInitializePhysical(&bootInfo->MemoryMap, bootInfo->PhysicalMapBase)) {
+        _disable(); while (true) __halt(); // there's nothing we can do
+    }
+
     PHYSICAL_ADDRESS pml4 = (PHYSICAL_ADDRESS)__readcr3();
     MmInitializeVirtual(pml4, 4 * 1024 * 1024 /* 4 MB initial pool */);
 
@@ -368,11 +371,12 @@ extern void KernelMain(BOOT_INFO* bootInfo) {
         .RsdpPhysical       = bootInfo->RsdpPhysical,
         .DebugEnabled       = bootInfo->DebugEnabled
     };
+
     KSTATUS s = HalInitialize(&halParams);
     if (!KSUCCESS(s)) {
-        _disable();
-        while (true) __halt(); // there's nothing we can do.
+        _disable(); while (true) __halt(); // there's nothing we can do.
     }
+
     const HAL_API* hal = HalGetApi();
     gKmainHal = hal;
 
@@ -416,7 +420,7 @@ extern void KernelMain(BOOT_INFO* bootInfo) {
 
     DbgPrint("KernelMain: Handing over to scheduler...\n");
     
-    // Ignite the system
+    // Ignite the system!
     _enable();
 
     // The Idle Loop: The CPU rests here whenever all other threads are waiting on events.