Implement all of sm.

stratosphere/sm/source/sm_registration.hpp

@@ -0,0 +1,40 @@
+#pragma once
+#include <switch.h>
+
+#define REGISTRATION_LIST_MAX_PROCESS (0x40)
+#define REGISTRATION_LIST_MAX_SERVICE (0x100)
+#define REGISTRATION_MAX_SAC_SIZE (0x200)
+#define REGISTRATION_PID_BUILTIN_MAX 0x7
+
+class Registration {
+    public:
+        struct Process {
+            u64 pid;
+            u64 sac_size;
+            u8 sac[REGISTRATION_MAX_SAC_SIZE];
+        };
+        
+        struct Service {
+            u64 service_name;
+            u64 owner_pid;
+            Handle port_h;
+        };
+        
+        /* Utilities. */
+        static Registration::Process *GetProcessForPid(u64 pid);
+        static Registration::Process *GetFreeProcess();
+        static Registration::Service *GetService(u64 service);
+        static Registration::Service *GetFreeService();
+        static bool IsValidForSac(u8 *sac, size_t sac_size, u64 service, bool is_host);
+        static bool ValidateSacAgainstRestriction(u8 *r_sac, size_t r_sac_size, u8 *sac, size_t sac_size);
+        
+        /* Process management. */
+        static Result RegisterProcess(u64 pid, u8 *acid_sac, size_t acid_sac_size, u8 *aci0_sac, size_t aci0_sac_size);
+        static Result UnregisterProcess(u64 pid);
+        
+        /* Service management. */
+        static bool HasService(u64 service);
+        static Result GetServiceForPid(u64 pid, u64 service, Handle *out);
+        static Result RegisterServiceForPid(u64 pid, u64 service, u64 max_sessions, bool is_light, Handle *out);
+        static Result UnregisterServiceForPid(u64 pid, u64 service);
+};