[XAM] Enable storing IPTV name.

Still needs to be exposed in UI (optional)

src/xenia/kernel/xam/xam_state.cc

@@ -31,6 +31,7 @@ XamState::XamState(Emulator* emulator, KernelState* kernel_state)
   achievement_manager_ = std::make_unique<AchievementManager>();
 
   LoadLanguageLocaleFallback();
+  LoadIptvServiceName();
 
   AppManager::RegisterApps(kernel_state, app_manager_.get());
 }
@@ -60,6 +61,17 @@ void XamState::LoadLanguageLocaleFallback() {
   }
 }
 
+void XamState::LoadIptvServiceName() {
+  constexpr uint32_t address = 0x80D10000;
+
+  if (kernel_state_->memory()
+          ->LookupHeap(0x80000000)
+          ->AllocFixed(address, 0x78, 0x1000, kMemoryAllocationCommit,
+                       kMemoryProtectRead | kMemoryProtectWrite)) {
+    iptv_name_address_ = address;
+  }
+}
+
 UserProfile* XamState::GetUserProfile(uint32_t user_index) const {
   if (user_index >= XUserMaxUserCount && user_index < XUserIndexLatest) {
     return nullptr;

src/xenia/kernel/xam/xam_state.h

@@ -66,6 +66,8 @@ class XamState {
     return language_fallback_address_[index];
   }
 
+  uint32_t GetIptvNameAddress() const { return iptv_name_address_; }
+
   X_DASH_APP_INFO dash_app_info_ = {};
   uint32_t dash_backstack_nodes_count_ = 0;
   X_DASH_BACKSTACK_DATA dash_backstack_data_[2] = {};
@@ -76,6 +78,7 @@ class XamState {
 
  private:
   void LoadLanguageLocaleFallback();
+  void LoadIptvServiceName();
 
   KernelState* kernel_state_;
 
@@ -89,6 +92,7 @@ class XamState {
 
   // Custom XAM stuff
   std::array<uint32_t, 0x12> language_fallback_address_{};
+  uint32_t iptv_name_address_{};
 };
 
 }  // namespace xam

src/xenia/kernel/xconfig.cc

@@ -14,6 +14,7 @@
 #include "xenia/base/filesystem.h"
 
 #include "xenia/base/byte_order.h"
+#include "xenia/base/string_util.h"
 #include "xenia/xbox.h"
 
 #include <ranges>
@@ -113,6 +114,10 @@ void XConfig::SetDefaults() {
   memcpy(xconfig_data_.user.tz_dlt_date.data(), tz.tz_dlt_date.data(), 4);
   xconfig_data_.user.tz_std_bias = tz.tz_std_bias;
   xconfig_data_.user.tz_dlt_bias = tz.tz_dlt_bias;
+
+  xe::string_util::copy_and_swap_truncating(
+      xconfig_data_.iptv.service_provider_name.data(), u"Xenia TV",
+      xconfig_data_.iptv.service_provider_name.size());
 }
 
 void XConfig::FlushToFile() {

src/xenia/kernel/xconfig.h

@@ -799,7 +799,7 @@ struct XConfigData {
   struct Iptv {
     xe::be<uint32_t> checksum;                         // 0x000
     xe::be<uint32_t> version;                          // 0x004
-    std::array<uint8_t, 120> service_provider_name;    // 0x008  wchar
+    std::array<char16_t, 60> service_provider_name;    // 0x008  wchar
     std::array<uint8_t, 128> provisioning_server_url;  // 0x080  wchar
     std::array<uint8_t, 128> support_info;             // 0x100  wchar
     std::array<uint8_t, 128> bootstrap_server_url;     // 0x180  wchar
@@ -1033,6 +1033,10 @@ class XConfig {
       //              XCONFIG_CONSOLE_PC_TITLE_EXEMPTIONS,
       //              Console, keyboard_layout),
 
+      // -- XCONFIG_IPTV (0x7) --------------------------------------------
+      XCONFIG_FIELD(XCONFIG_IPTV_CATEGORY, XCONFIG_IPTV_SERVICE_PROVIDER_NAME,
+                    Iptv, service_provider_name),
+
       // -- XCONFIG_SYSTEM (0xA) ---------------------------------------------
       XCONFIG_FIELD(XCONFIG_SYSTEM_CATEGORY, XCONFIG_SYSTEM_ALARM_TIME, System,
                     alarm_time),