Forget commit files.

src/OpenArkDrv/common/c-assist.c

@@ -0,0 +1,42 @@
+#include "c-assist.h"
+
+VOID MmEnableWP()
+{
+	SIZE_T cr0 = (SIZE_T)__readcr0();
+	cr0 |= 0x10000;
+	__writecr0(cr0);
+}
+
+VOID MmDisableWP()
+{
+	SIZE_T cr0 = (SIZE_T)__readcr0();
+	cr0 &= ~((SIZE_T)1 << 16);
+	__writecr0(cr0);
+}
+
+VOID MmWriteProtectOn(IN KIRQL Irql)
+{
+	SIZE_T cr0 = (SIZE_T)__readcr0();
+	cr0 |= 0x10000;
+#ifdef _AMD64_
+	_enable();
+#else
+	__asm cli
+#endif
+	__writecr0(cr0);
+	KeLowerIrql(Irql);
+}
+
+KIRQL MmWriteProtectOff()
+{
+	KIRQL irql = KeRaiseIrqlToDpcLevel();
+	SIZE_T cr0 = (SIZE_T)__readcr0();
+	cr0 &= ~((SIZE_T)1 << 16);
+	__writecr0(cr0);
+#ifdef _AMD64_
+	_disable();
+#else
+	__asm sti
+#endif
+	return irql;
+}

src/OpenArkDrv/common/c-assist.h

@@ -0,0 +1,7 @@
+#pragma once
+#include <ntifs.h>
+
+EXTERN_C VOID MmEnableWP();
+EXTERN_C VOID MmDisableWP();
+EXTERN_C VOID MmWriteProtectOn(IN KIRQL Irql);
+EXTERN_C KIRQL MmWriteProtectOff();