diff --git a/libctru/include/3ds/svc.h b/libctru/include/3ds/svc.h
index a95674b..14dfb4e 100644
--- a/libctru/include/3ds/svc.h
+++ b/libctru/include/3ds/svc.h
@@ -97,3 +97,4 @@ Result svcReadProcessMemory(void* buffer, Handle debug, u32 addr, u32 size);
 Result svcMapProcessMemory(Handle process, u32 startAddr, u32 endAddr);
 Result svcUnmapProcessMemory(Handle process, u32 startAddr, u32 endAddr);
 Result svcQueryProcessMemory(MemInfo* info, PageInfo* out, Handle process, u32 addr);
+s32 svcGetProcessorID();
diff --git a/libctru/source/svc.s b/libctru/source/svc.s
index 18ee93e..af0d8a2 100644
--- a/libctru/source/svc.s
+++ b/libctru/source/svc.s
@@ -361,3 +361,9 @@ svcQueryProcessMemory:
 	add sp, sp, #8
 	pop {r4-r6}
 	bx lr
+
+.global svcGetProcessorID
+.type svcGetProcessorID, %function
+svcGetProcessorID:
+	svc 0x11
+	bx  lr