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apt: Improve accuracy of applet slot states on system applet launch. (#7456)

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Steveice10 2024-02-23 16:18:16 -08:00 committed by GitHub
parent d857743075
commit 4f9fc88bb3
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2 changed files with 22 additions and 10 deletions
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31
src/core/hle/service/apt/applet_manager.cpp
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@ -373,7 +373,10 @@ ResultVal<AppletManager::InitializeResult> AppletManager::Initialize(AppletId ap
if (active_slot == AppletSlot::Error) {
active_slot = slot;
// Wake up the application.
// APT automatically calls enable on the first registered applet.
Enable(attributes);
// Wake up the applet.
SendParameter({
.sender_id = AppletId::None,
.destination_id = app_id,
@ -398,7 +401,8 @@ Result AppletManager::Enable(AppletAttributes attributes) {
auto slot_data = GetAppletSlot(slot);
slot_data->registered = true;
if (slot_data->attributes.applet_pos == AppletPos::System &&
if (slot_data->applet_id != AppletId::None &&
slot_data->attributes.applet_pos == AppletPos::System &&
slot_data->attributes.is_home_menu) {
slot_data->attributes.raw |= attributes.raw;
LOG_DEBUG(Service_APT, "Updated home menu attributes to {:08X}.",
@ -786,16 +790,23 @@ Result AppletManager::PrepareToStartSystemApplet(AppletId applet_id) {
Result AppletManager::StartSystemApplet(AppletId applet_id, std::shared_ptr<Kernel::Object> object,
const std::vector<u8>& buffer) {
auto source_applet_id = AppletId::None;
auto source_applet_id = AppletId::Application;
if (last_system_launcher_slot != AppletSlot::Error) {
const auto slot_data = GetAppletSlot(last_system_launcher_slot);
source_applet_id = slot_data->applet_id;
const auto launcher_slot_data = GetAppletSlot(last_system_launcher_slot);
source_applet_id = launcher_slot_data->applet_id;
// If a system applet is launching another system applet, reset the slot to avoid conflicts.
// This is needed because system applets won't necessarily call CloseSystemApplet before
// exiting.
if (last_system_launcher_slot == AppletSlot::SystemApplet) {
slot_data->Reset();
// APT generally clears and terminates the caller of StartSystemApplet. This helps in
// situations such as a system applet launching another system applet, which would
// otherwise deadlock.
// TODO: In real APT, the check for AppletSlot::Application does not exist; there is
// TODO: something wrong with our implementation somewhere that makes this necessary.
// TODO: Otherwise, games that attempt to launch system applets will be cleared and
// TODO: emulation will crash.
if (!launcher_slot_data->registered ||
(last_system_launcher_slot != AppletSlot::Application &&
!launcher_slot_data->attributes.no_exit_on_system_applet)) {
launcher_slot_data->Reset();
// TODO: Implement launcher process termination.
}
}

1
src/core/hle/service/apt/applet_manager.h
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@ -152,6 +152,7 @@ union AppletAttributes {
u32 raw;
BitField<0, 3, AppletPos> applet_pos;
BitField<28, 1, u32> no_exit_on_system_applet;
BitField<29, 1, u32> is_home_menu;
AppletAttributes() : raw(0) {}