3 files changed, 21 insertions, 8 deletions

diff --git a/src/core/arm/cpu_interrupt_handler.cpp b/src/core/arm/cpu_interrupt_handler.cpp
index 2f1a1a269..df0350881 100644
--- a/src/core/arm/cpu_interrupt_handler.cpp
+++ b/src/core/arm/cpu_interrupt_handler.cpp
@@ -2,8 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#pragma once
-
 #include "common/thread.h"
 #include "core/arm/cpu_interrupt_handler.h"
 
diff --git a/src/core/hle/service/am/am.cpp b/src/core/hle/service/am/am.cpp
index 1bb544dd8..24cfb370b 100644
--- a/src/core/hle/service/am/am.cpp
+++ b/src/core/hle/service/am/am.cpp
@@ -10,6 +10,7 @@
 #include "core/core.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
+#include "core/file_sys/registered_cache.h"
 #include "core/file_sys/savedata_factory.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/kernel.h"
@@ -1353,14 +1354,25 @@ void IApplicationFunctions::GetDisplayVersion(Kernel::HLERequestContext& ctx) {
 
     std::array<u8, 0x10> version_string{};
 
-    FileSys::PatchManager pm{system.CurrentProcess()->GetTitleID()};
-    const auto res = pm.GetControlMetadata();
+    const auto res = [this] {
+        const auto title_id = system.CurrentProcess()->GetTitleID();
+
+        FileSys::PatchManager pm{title_id};
+        auto res = pm.GetControlMetadata();
+        if (res.first != nullptr) {
+            return res;
+        }
+
+        FileSys::PatchManager pm_update{FileSys::GetUpdateTitleID(title_id)};
+        return pm_update.GetControlMetadata();
+    }();
+
     if (res.first != nullptr) {
         const auto& version = res.first->GetVersionString();
         std::copy(version.begin(), version.end(), version_string.begin());
     } else {
-        constexpr u128 default_version = {1, 0};
-        std::memcpy(version_string.data(), default_version.data(), sizeof(u128));
+        constexpr char default_version[]{"1.0.0"};
+        std::memcpy(version_string.data(), default_version, sizeof(default_version));
     }
 
     IPC::ResponseBuilder rb{ctx, 6};
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 7def00768..2c5588933 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -548,9 +548,9 @@ struct Memory::Impl {
                         // longer exist, and we should just leave the pagetable entry blank.
                         page_type = Common::PageType::Unmapped;
                     } else {
-                        page_type = Common::PageType::Memory;
                         current_page_table->pointers[vaddr >> PAGE_BITS] =
                             pointer - (vaddr & ~PAGE_MASK);
+                        page_type = Common::PageType::Memory;
                     }
                     break;
                 }
@@ -591,9 +591,12 @@ struct Memory::Impl {
                    base + page_table.pointers.size());
 
         if (!target) {
+            ASSERT_MSG(type != Common::PageType::Memory,
+                       "Mapping memory page without a pointer @ {:016x}", base * PAGE_SIZE);
+
             while (base != end) {
-                page_table.pointers[base] = nullptr;
                 page_table.attributes[base] = type;
+                page_table.pointers[base] = nullptr;
                 page_table.backing_addr[base] = 0;
 
                 base += 1;