diff --git a/libctru/include/3ds/svc.h b/libctru/include/3ds/svc.h
index 271408f..7a9da11 100644
--- a/libctru/include/3ds/svc.h
+++ b/libctru/include/3ds/svc.h
@@ -61,6 +61,7 @@ s32  svcCreateThread(Handle* thread, ThreadFunc entrypoint, u32 arg, u32* stack_
 void __attribute__((noreturn)) svcExitThread();
 void svcSleepThread(s64 ns);
 s32  svcSetThreadPriority(Handle thread, s32 prio);
+s32  svcGetCurrentProcessorNumber(void);
 s32  svcCreateMutex(Handle* mutex, bool initially_locked);
 s32  svcReleaseMutex(Handle handle);
 s32  svcCreateSemaphore(Handle* semaphore, s32 initial_count, s32 max_count);
diff --git a/libctru/source/svc.s b/libctru/source/svc.s
index 555eb13..807128b 100644
--- a/libctru/source/svc.s
+++ b/libctru/source/svc.s
@@ -65,6 +65,12 @@ svcSetThreadPriority:
 	svc 0x0C
 	bx  lr
 
+.global svcGetCurrentProcessorNumber
+.type svcGetCurrentProcessorNumber, %function
+svcGetCurrentProcessorNumber:
+	svc 0x11
+	bx  lr
+
 .global svcCreateMutex
 .type svcCreateMutex, %function
 svcCreateMutex: