diff --git a/drivers/bus/acpi/include/platform/acmsc.h b/drivers/bus/acpi/include/platform/acmsc.h
new file mode 100644
index 00000000000..612edf938c2
--- /dev/null
+++ b/drivers/bus/acpi/include/platform/acmsc.h
@@ -0,0 +1,67 @@
+#ifndef __ACMSC_H__
+#define __ACMSC_H__
+
+#define COMPILER_DEPENDENT_UINT64 unsigned __int64
+
+#if defined(_M_IX86)
+
+#define ACPI_ASM_MACROS
+#define causeinterrupt(level)
+#define BREAKPOINT3
+#define halt() { __asm { sti } __asm { hlt } }
+#define wbinvd()
+
+__forceinline void _ACPI_ACQUIRE_GLOBAL_LOCK(void * GLptr, unsigned char * Acq_)
+{
+	unsigned char Acq;
+
+	__asm
+	{
+		mov ecx, [GLptr]
+
+	L1:	mov eax, [ecx]
+		mov edx, eax
+		and edx, ecx
+		bts edx, 1
+		adc edx, 0
+		lock cmpxchg [ecx], edx
+		jne L1
+		cmp dl, 3
+		sbb eax, eax
+
+		mov [Acq], al
+	};
+
+	*Acq_ = Acq;
+}
+
+#define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
+	_ACPI_ACQUIRE_GLOBAL_LOCK((GLptr), (unsigned char *)&(Acq))
+
+__forceinline void _ACPI_RELEASE_GLOBAL_LOCK(void * GLptr, unsigned char * Acq_)
+{
+	unsigned char Acq;
+
+	__asm
+	{
+		mov ecx, [GLptr]
+
+	L1:	mov eax, [ecx]
+		mov edx, eax
+		and edx, ecx
+		lock cmpxchg [ecx], edx
+		jnz L1
+		and eax, 1
+
+		mov [Acq], al
+	};
+
+	*Acq_ = Acq;
+}
+
+#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
+	_ACPI_RELEASE_GLOBAL_LOCK((GLptr), (unsigned char *)&(Acq))
+
+#endif
+
+#endif /* __ACMSC_H__ */
diff --git a/drivers/bus/acpi/include/platform/acwin.h b/drivers/bus/acpi/include/platform/acwin.h
index 297f29f6ae9..cfab7728f6f 100644
--- a/drivers/bus/acpi/include/platform/acwin.h
+++ b/drivers/bus/acpi/include/platform/acwin.h
@@ -47,14 +47,25 @@
 
 #endif
 
-/* ReactOS uses GCC */
+#if defined(__GNUC__)
 
 #include "acgcc.h"
 
 #undef disable
-#define disable() __asm__("cli\n\t");
+#define disable() __asm__("cli\n\t")
 #undef enable
-#define enable() __asm__("sti\n\t");
+#define enable() __asm__("sti\n\t")
+
+#elif defined(_MSC_VER)
+
+#include "acmsc.h"
+
+#undef disable
+#define disable() __asm { cli }
+#undef enable
+#define enable() __asm { sti }
+
+#endif
 
 #undef DEBUGGER_THREADING
 #define DEBUGGER_THREADING          DEBUGGER_SINGLE_THREADED