sf: implement service framework enough for ro to work.

This completely re-does the whole interface for ipc servers.

stratosphere/libstratosphere/include/stratosphere/sm/sm_mitm_api.hpp

@@ -25,7 +25,7 @@ namespace sts::sm::mitm {
     Result InstallMitm(Handle *out_port, Handle *out_query, ServiceName name);
     Result UninstallMitm(ServiceName name);
     Result DeclareFutureMitm(ServiceName name);
-    Result AcknowledgeSession(Service *out_service, u64 *out_pid, ncm::TitleId *out_tid, ServiceName name);
+    Result AcknowledgeSession(Service *out_service, os::ProcessId *out_pid, ncm::TitleId *out_tid, ServiceName name);
     Result HasMitm(bool *out, ServiceName name);
     Result WaitMitm(ServiceName name);
 

stratosphere/libstratosphere/include/stratosphere/sm/sm_types.hpp

@@ -20,6 +20,7 @@
 #include <switch.h>
 #include "../defines.hpp"
 #include "../results.hpp"
+#include "../os.hpp"
 
 namespace sts::sm {
 
@@ -60,18 +61,15 @@ namespace sts::sm {
     /* For Debug Monitor extensions. */
     struct ServiceRecord {
         ServiceName service;
-        u64 owner_pid;
+        os::ProcessId owner_pid;
         u64 max_sessions;
-        u64 mitm_pid;
-        u64 mitm_waiting_ack_pid;
+        os::ProcessId mitm_pid;
+        os::ProcessId mitm_waiting_ack_pid;
         bool is_light;
         bool mitm_waiting_ack;
     };
     static_assert(sizeof(ServiceRecord) == 0x30, "ServiceRecord definition!");
 
-    /* For process validation. */
-    static constexpr u64 InvalidProcessId = static_cast<u64>(-1ull);
-
     /* Utility, for scoped access to libnx services. */
     template<Result Initializer(), void Finalizer()>
     class ScopedServiceHolder {