diff --git a/libctru/include/3ds/svc.h b/libctru/include/3ds/svc.h
index 08a25ab..b39edf7 100644
--- a/libctru/include/3ds/svc.h
+++ b/libctru/include/3ds/svc.h
@@ -188,51 +188,366 @@ static inline u32* getThreadCommandBuffer(void)
 	return (u32*)((u8*)getThreadLocalStorage() + 0x80);
 }
 
+static inline void __attribute__((noreturn)) svcExitProcess()
+{
+	asm volatile("svc 0x03"
+		::: "lr");
+	__builtin_unreachable();
+}
+
+static inline void __attribute__((noreturn)) svcExitThread()
+{
+	asm volatile("svc 0x09"
+		::: "lr");
+	__builtin_unreachable();
+}
+
+static inline void svcSleepThread(s64 ns)
+{
+	register s64 r0 asm("r0") = ns;
+
+	asm volatile("svc 0x0A"
+		:: "r"(r0)
+		: "lr");
+}
+
+static inline s32 svcSetThreadPriority(Handle thread, s32 prio)
+{
+	register Handle r0 asm("r0") = thread;
+	register s32 r1 asm("r1") = prio;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x0C"
+		: "=r"(res)
+		: "r"(r0), "r"(r1)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcReleaseMutex(Handle handle)
+{
+	register Handle r0 asm("r0") = handle;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x14"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcSignalEvent(Handle handle)
+{
+	register Handle r0 asm("r0") = handle;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x18"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcClearEvent(Handle handle)
+{
+	register Handle r0 asm("r0") = handle;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x19"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcSetTimer(Handle timer, s64 initial, s64 interval)
+{
+	register Handle r0 asm("r0") = timer;
+	register s64 r1 asm("r1") = initial;
+	register s64 r2 asm("r2") = interval;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x1B"
+		: "=r"(res)
+		: "r"(r0), "r"(r1), "r"(r2)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcCancelTimer(Handle timer)
+{
+	register Handle r0 asm("r0") = timer;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x1C"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcClearTimer(Handle timer)
+{
+	register Handle r0 asm("r0") = timer;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x1D"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcMapMemoryBlock(
+	Handle memblock, u32 addr, MemPerm my_perm, MemPerm other_perm)
+{
+	register Handle r0 asm("r0") = memblock;
+	register u32 r1 asm("r1") = addr;
+	register MemPerm r2 asm("r2") = my_perm;
+	register MemPerm r3 asm("r3") = other_perm;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x1F"
+		: "=r"(res)
+		: "r"(r0), "r"(r1), "r"(r2), "r"(r3)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcUnmapMemoryBlock(Handle memblock, u32 addr)
+{
+	register Handle r0 asm("r0") = memblock;
+	register u32 r1 asm("r1") = addr;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x20"
+		: "=r"(res)
+		: "r"(r0), "r"(r1)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcCreateAddressArbiter(Handle *arbiter)
+{
+	register Handle *r0 asm("r0") = arbiter;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x21"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcCloseHandle(Handle handle)
+{
+	register Handle r0 asm("r0") = handle;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x23"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcWaitSynchronization(Handle handle, s64 nanoseconds)
+{
+	register Handle r0 asm("r0") = handle;
+	register s32 r1 asm("r1") = nanoseconds & 0xFFFFFFFF;
+	register s32 r2 asm("r2") = (nanoseconds >> 32) & 0xFFFFFFFF;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x24"
+		: "=r"(res)
+		: "r"(r0), "r"(r1), "r"(r2)
+		: "lr");
+
+	return res;
+}
+
+static inline u64 svcGetSystemTick()
+{
+	register u32 r0 asm("r0");
+	register u32 r1 asm("r1");
+
+	asm volatile("svc 0x28"
+		: "=r"(r0), "=r"(r1)
+		:: "lr");
+
+	return r0 | ((u64)r1 << 32);
+}
+
+static inline s32 svcSendSyncRequest(Handle session)
+{
+	register Handle r0 asm("r0") = session;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x32"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcOutputDebugString(const char* str, int length)
+{
+	register const char *r0 asm("r0") = str;
+	register int r1 asm("r1") = length;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x3D"
+		: "=r"(res)
+		: "r"(r0), "r"(r1)
+		: "lr");
+
+	return res;
+}
+
+static inline Result svcBreakDebugProcess(Handle debug)
+{
+	register Handle r0 asm("r0") = debug;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x61"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline Result svcTerminateDebugProcess(Handle debug)
+{
+	register Handle r0 asm("r0") = debug;
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x62"
+		: "=r"(res)
+		: "r"(r0)
+		: "lr");
+
+	return res;
+}
+
+static inline Result svcGetProcessDebugEvent(DebugEventInfo *info, Handle debug)
+{
+	register DebugEventInfo *r0 asm("r0") = info;
+	register Handle r1 asm("r1") = debug;
+	register Result res asm("r0");
+
+	asm volatile("svc 0x63"
+		: "=r"(res)
+		: "r"(r0), "r"(r1)
+		: "lr");
+
+	return res;
+}
+
+static inline Result svcContinueDebugEvent(Handle debug, u32 flags)
+{
+	register Handle r0 asm("r0") = debug;
+	register u32 r1 asm("r1") = flags;
+	register Result res asm("r0");
+
+	asm volatile("svc 0x64"
+		: "=r"(res)
+		: "r"(r0), "r"(r1)
+		: "lr");
+
+	return res;
+}
+
+static inline Result svcReadProcessMemory(void* buffer, Handle debug, u32 addr, u32 size)
+{
+	register void* r0 asm("r0") = buffer;
+	register Handle r1 asm("r1") = debug;
+	register u32 r2 asm("r2") = addr;
+	register u32 r3 asm("r3") = size;
+	register Result res asm("r0");
+
+	asm volatile("svc 0x6A"
+		: "=r"(res)
+		: "r"(r0), "r"(r1), "r"(r2), "r"(r3)
+		: "lr");
+
+	return res;
+}
+
+static inline Result svcMapProcessMemory(Handle process, u32 startAddr, u32 endAddr)
+{
+	register Handle r0 asm("r0") = process;
+	register u32 r1 asm("r1") = startAddr;
+	register u32 r2 asm("r2") = endAddr;
+	register Result res asm("r0");
+
+	asm volatile("svc 0x71"
+		: "=r"(res)
+		: "r"(r0), "r"(r1), "r"(r2)
+		: "lr");
+
+	return res;
+}
+
+static inline Result svcUnmapProcessMemory(Handle process, u32 startAddr, u32 endAddr)
+{
+	register Handle r0 asm("r0") = process;
+	register u32 r1 asm("r1") = startAddr;
+	register u32 r2 asm("r2") = endAddr;
+	register Result res asm("r0");
+
+	asm volatile("svc 0x72"
+		: "=r"(res)
+		: "r"(r0), "r"(r1), "r"(r2)
+		: "lr");
+
+	return res;
+}
+
+static inline s32 svcGetProcessorID()
+{
+	register s32 res asm("r0");
+
+	asm volatile("svc 0x11"
+		: "=r"(res)
+		:: "lr");
+
+	return res;
+}
+
 s32  svcControlMemory(u32* addr_out, u32 addr0, u32 addr1, u32 size, MemOp op, MemPerm perm);
 s32  svcQueryMemory(MemInfo* info, PageInfo* out, u32 addr);
-void __attribute__((noreturn)) svcExitProcess();
 s32  svcCreateThread(Handle* thread, ThreadFunc entrypoint, u32 arg, u32* stack_top, s32 thread_priority, s32 processor_id);
-void __attribute__((noreturn)) svcExitThread();
-void svcSleepThread(s64 ns);
 s32  svcSetThreadPriority(Handle thread, s32 prio);
 s32  svcCreateMutex(Handle* mutex, bool initially_locked);
-s32  svcReleaseMutex(Handle handle);
 s32  svcCreateSemaphore(Handle* semaphore, s32 initial_count, s32 max_count);
 s32  svcReleaseSemaphore(s32* count, Handle semaphore, s32 release_count);
 s32  svcCreateEvent(Handle* event, u8 reset_type);
-s32  svcSignalEvent(Handle handle);
-s32  svcClearEvent(Handle handle);
 s32  svcCreateTimer(Handle* timer, u8 reset_type);
-s32  svcSetTimer(Handle timer, s64 initial, s64 interval);
-s32  svcCancelTimer(Handle timer);
-s32  svcClearTimer(Handle timer);
 s32  svcCreateMemoryBlock(Handle* memblock, u32 addr, u32 size, MemPerm my_perm, MemPerm other_perm);
-s32  svcMapMemoryBlock(Handle memblock, u32 addr, MemPerm my_perm, MemPerm other_perm);
-s32  svcUnmapMemoryBlock(Handle memblock, u32 addr);
-s32  svcCreateAddressArbiter(Handle *arbiter);
 s32  svcArbitrateAddress(Handle arbiter, u32 addr, ArbitrationType type, s32 value, s64 nanoseconds);
-s32  svcWaitSynchronization(Handle handle, s64 nanoseconds);
 s32  svcWaitSynchronizationN(s32* out, Handle* handles, s32 handles_num, bool wait_all, s64 nanoseconds);
-s32  svcCloseHandle(Handle handle);
 s32  svcDuplicateHandle(Handle* out, Handle original);
-u64  svcGetSystemTick();
 s32  svcGetSystemInfo(s64* out, u32 type, s32 param);
 s32  svcGetProcessInfo(s64* out, Handle process, u32 type);
 s32  svcConnectToPort(volatile Handle* out, const char* portName);
-s32  svcSendSyncRequest(Handle session);
 Result svcOpenProcess(Handle* process, u32 processId);
 s32  svcGetProcessId(u32 *out, Handle handle);
 s32  svcGetThreadId(u32 *out, Handle handle);
-s32  svcOutputDebugString(const char* str, int length);
 Result svcCreatePort(Handle* portServer, Handle* portClient, const char* name, s32 maxSessions);
 Result svcDebugActiveProcess(Handle* debug, u32 processId);
-Result svcBreakDebugProcess(Handle debug);
-Result svcTerminateDebugProcess(Handle debug);
-Result svcGetProcessDebugEvent(DebugEventInfo *info, Handle debug);
-Result svcContinueDebugEvent(Handle debug, u32 flags);
+
 Result svcGetProcessList(s32* processCount, u32* processIds, s32 processIdMaxCount);
-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 534a944..5c4c575 100644
--- a/libctru/source/svc.s
+++ b/libctru/source/svc.s
@@ -29,12 +29,6 @@ svcQueryMemory:
 	pop  {r4-r6}
 	bx   lr
 
-.global svcExitProcess
-.type svcExitProcess, %function
-svcExitProcess:
-	svc 0x03
-	bx  lr
-
 .global svcCreateThread
 .type svcCreateThread, %function
 svcCreateThread:
@@ -47,24 +41,6 @@ svcCreateThread:
 	ldr  r4, [sp], #4
 	bx   lr
 
-.global svcExitThread
-.type svcExitThread, %function
-svcExitThread:
-	svc 0x09
-	bx  lr
-
-.global svcSleepThread
-.type svcSleepThread, %function
-svcSleepThread:
-	svc 0x0A
-	bx  lr
-
-.global svcSetThreadPriority
-.type svcSetThreadPriority, %function
-svcSetThreadPriority:
-	svc 0x0C
-	bx  lr
-
 .global svcCreateMutex
 .type svcCreateMutex, %function
 svcCreateMutex:
@@ -74,12 +50,6 @@ svcCreateMutex:
 	str r1, [r3]
 	bx  lr
 
-.global svcReleaseMutex
-.type svcReleaseMutex, %function
-svcReleaseMutex:
-	svc 0x14
-	bx  lr
-
 .global svcCreateEvent
 .type svcCreateEvent, %function
 svcCreateEvent:
@@ -89,18 +59,6 @@ svcCreateEvent:
 	str r1, [r2]
 	bx  lr
 
-.global svcSignalEvent
-.type svcSignalEvent, %function
-svcSignalEvent:
-	svc 0x18
-	bx  lr
-
-.global svcClearEvent
-.type svcClearEvent, %function
-svcClearEvent:
-	svc 0x19
-	bx  lr
-
 .global svcCreateTimer
 .type svcCreateTimer, %function
 svcCreateTimer:
@@ -110,24 +68,6 @@ svcCreateTimer:
 	str r1, [r2]
 	bx  lr
 
-.global svcSetTimer
-.type svcSetTimer, %function
-svcSetTimer:
-	svc 0x1B
-	bx  lr
-
-.global svcCancelTimer
-.type svcCancelTimer, %function
-svcCancelTimer:
-	svc 0x1C
-	bx  lr
-
-.global svcClearTimer
-.type svcClearTimer, %function
-svcClearTimer:
-	svc 0x1D
-	bx  lr
-
 .global svcCreateMemoryBlock
 .type svcCreateMemoryBlock, %function
 svcCreateMemoryBlock:
@@ -138,24 +78,6 @@ svcCreateMemoryBlock:
 	str r1, [r2]
 	bx  lr
 
-.global svcMapMemoryBlock
-.type svcMapMemoryBlock, %function
-svcMapMemoryBlock:
-	svc 0x1F
-	bx  lr
-
-.global svcUnmapMemoryBlock
-.type svcUnmapMemoryBlock, %function
-svcUnmapMemoryBlock:
-	svc 0x20
-	bx  lr
-
-.global svcCreateAddressArbiter
-.type svcCreateAddressArbiter, %function
-svcCreateAddressArbiter:
-	svc 0x21
-	bx  lr
-
 .global svcArbitrateAddress
 .type svcArbitrateAddress, %function
 svcArbitrateAddress:
@@ -168,18 +90,6 @@ svcArbitrateAddress:
 	pop {r4, r5}
 	bx  lr
 
-.global svcCloseHandle
-.type svcCloseHandle, %function
-svcCloseHandle:
-	svc 0x23
-	bx  lr
-
-.global svcWaitSynchronization
-.type svcWaitSynchronization, %function
-svcWaitSynchronization:
-	svc 0x24
-	bx  lr
-
 .global svcWaitSynchronizationN
 .type svcWaitSynchronizationN, %function
 svcWaitSynchronizationN:
@@ -203,12 +113,6 @@ svcDuplicateHandle:
 	str r1, [r3]
 	bx  lr
 
-.global svcGetSystemTick
-.type svcGetSystemTick, %function
-svcGetSystemTick:
-	svc 0x28
-	bx lr
-
 .global svcGetSystemInfo
 .type svcGetSystemInfo, %function
 svcGetSystemInfo:
@@ -241,12 +145,6 @@ svcConnectToPort:
 	str r1, [r3]
 	bx  lr
 
-.global svcSendSyncRequest
-.type svcSendSyncRequest, %function
-svcSendSyncRequest:
-	svc 0x32
-	bx lr
-
 .global svcOpenProcess
 .type svcOpenProcess, %function
 svcOpenProcess:
@@ -265,12 +163,6 @@ svcGetProcessId:
 	str r1, [r3]
 	bx  lr
 
-.global svcOutputDebugString
-.type svcOutputDebugString, %function
-svcOutputDebugString:
-	svc 0x3D
-	bx  lr
-
 .global svcCreateSemaphore
 .type svcCreateSemaphore, %function
 svcCreateSemaphore:
@@ -319,30 +211,6 @@ svcDebugActiveProcess:
 	str r1, [r2]
 	bx lr
 
-.global svcBreakDebugProcess
-.type svcBreakDebugProcess, %function
-svcBreakDebugProcess:
-	svc 0x61
-	bx lr
-
-.global svcTerminateDebugProcess
-.type svcTerminateDebugProcess, %function
-svcTerminateDebugProcess:
-	svc 0x62
-	bx lr
-
-.global svcGetProcessDebugEvent
-.type svcGetProcessDebugEvent, %function
-svcGetProcessDebugEvent:
-	svc 0x63
-	bx lr
-	
-.global svcContinueDebugEvent
-.type svcContinueDebugEvent, %function
-svcContinueDebugEvent:
-	svc 0x64
-	bx lr
-
 .global svcGetProcessList
 .type svcGetProcessList, %function
 svcGetProcessList:
@@ -355,24 +223,6 @@ svcGetProcessList:
 	add sp, sp, #8
 	bx lr
 
-.global svcReadProcessMemory
-.type svcReadProcessMemory, %function
-svcReadProcessMemory:
-	svc 0x6A
-	bx lr
-
-.global svcMapProcessMemory
-.type svcMapProcessMemory, %function
-svcMapProcessMemory:
-	svc 0x71
-	bx lr
-
-.global svcUnmapProcessMemory
-.type svcUnmapProcessMemory, %function
-svcUnmapProcessMemory:
-	svc 0x72
-	bx lr
-
 .global svcQueryProcessMemory
 .type svcQueryProcessMemory, %function
 svcQueryProcessMemory:
@@ -385,9 +235,3 @@ svcQueryProcessMemory:
 	add sp, sp, #8
 	pop {r4-r6}
 	bx lr
-
-.global svcGetProcessorID
-.type svcGetProcessorID, %function
-svcGetProcessorID:
-	svc 0x11
-	bx  lr