PRODINFO: Revamp blanking/write disallow policy. (#913)

* exo/fusee: hookup new prodinfo settings

* fusee: new scheme doesn't need FLAGS_DEFAULT

* fusee: fix c/p errors

* ams.mitm: completely revamp prodinfo backup mechanism

* ams.mitm: Implement revamped blanking/write policy

* strat: make early boot more debuggable

* exo: condense flag logic

stratosphere/ams_mitm/source/bpc_mitm/bpc_ams_service.cpp

@@ -13,13 +13,32 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+#include "../amsmitm_initialization.hpp"
 #include "bpc_ams_service.hpp"
 #include "bpc_ams_power_utils.hpp"
 
 namespace ams::mitm::bpc {
 
+    namespace {
+
+        bool g_set_initial_payload = false;
+
+    }
+
     void AtmosphereService::RebootToFatalError(const ams::FatalErrorContext &ctx) {
         bpc::RebootForFatalError(&ctx);
     }
 
+    void AtmosphereService::SetInitialRebootPayload(const ams::sf::InBuffer &payload) {
+        if (!g_set_initial_payload) {
+            g_set_initial_payload = true;
+
+            /* Set the initial reboot payload. */
+            bpc::SetInitialRebootPayload(payload.GetPointer(), payload.GetSize());
+
+            /* Start the initialization process. */
+            ::ams::mitm::StartInitialize();
+        }
+    }
+
 }