sm: reimplement using tipc instead of cmif (probably broken, untested)

libraries/libvapours/include/vapours/svc/ipc/svc_message_buffer.hpp

@@ -386,6 +386,10 @@ namespace ams::svc::ipc {
             constexpr ALWAYS_INLINE MessageBuffer(u32 *b, size_t sz) : buffer(b), size(sz) { /* ... */ }
             constexpr explicit ALWAYS_INLINE MessageBuffer(u32 *b) : buffer(b), size(sizeof(::ams::svc::ThreadLocalRegion::message_buffer)) { /* ... */ }
 
+            constexpr ALWAYS_INLINE void *GetBufferForDebug() const {
+                return this->buffer;
+            }
+
             constexpr ALWAYS_INLINE size_t GetBufferSize() const {
                 return this->size;
             }