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Implement plugin loader Mode3 mem strategy (#7)

This commit is contained in:
PabloMK7 2024-03-05 14:06:50 +01:00 committed by GitHub
parent f5316532e6
commit c710c0009f
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GPG Key ID: B5690EEEBB952194
8 changed files with 61 additions and 12 deletions
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12
src/core/core.cpp
View File

@ -263,6 +263,18 @@ System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::st
return ResultStatus::ErrorGetLoader;
}
if (restore_plugin_context.has_value() && restore_plugin_context->is_enabled &&
restore_plugin_context->use_user_load_parameters) {
u64_le program_id = 0;
app_loader->ReadProgramId(program_id);
if (restore_plugin_context->user_load_parameters.low_title_Id ==
static_cast<u32_le>(program_id) &&
restore_plugin_context->user_load_parameters.plugin_memory_strategy ==
Service::PLGLDR::PLG_LDR::PluginMemoryStrategy::PLG_STRATEGY_MODE3) {
app_loader->SetKernelMemoryModeOverride(Kernel::MemoryMode::Dev2);
}
}
auto memory_mode = app_loader->LoadKernelMemoryMode();
if (memory_mode.second != Loader::ResultStatus::Success) {
LOG_CRITICAL(Core, "Failed to determine system mode (Error {})!",

12
src/core/hle/service/apt/applet_manager.cpp
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@ -574,7 +574,7 @@ Result AppletManager::PrepareToStartLibraryApplet(AppletId applet_id) {
if (Settings::values.lle_applets) {
auto cfg = Service::CFG::GetModule(system);
auto process = NS::LaunchTitle(FS::MediaType::NAND,
auto process = NS::LaunchTitle(system, FS::MediaType::NAND,
GetTitleIdForApplet(applet_id, cfg->GetRegionValue()));
if (process) {
return ResultSuccess;
@ -603,7 +603,7 @@ Result AppletManager::PreloadLibraryApplet(AppletId applet_id) {
if (Settings::values.lle_applets) {
auto cfg = Service::CFG::GetModule(system);
auto process = NS::LaunchTitle(FS::MediaType::NAND,
auto process = NS::LaunchTitle(system, FS::MediaType::NAND,
GetTitleIdForApplet(applet_id, cfg->GetRegionValue()));
if (process) {
return ResultSuccess;
@ -815,7 +815,7 @@ Result AppletManager::StartSystemApplet(AppletId applet_id, std::shared_ptr<Kern
applet_id == AppletId::HomeMenu ? AppletSlot::HomeMenu : AppletSlot::SystemApplet;
if (!GetAppletSlot(slot_id)->registered) {
auto cfg = Service::CFG::GetModule(system);
auto process = NS::LaunchTitle(FS::MediaType::NAND,
auto process = NS::LaunchTitle(system, FS::MediaType::NAND,
GetTitleIdForApplet(applet_id, cfg->GetRegionValue()));
if (!process) {
// TODO: Find the right error code.
@ -1346,8 +1346,8 @@ Result AppletManager::StartApplication(const std::vector<u8>& parameter,
active_slot = AppletSlot::Application;
// Launch the title directly.
auto process =
NS::LaunchTitle(app_start_parameters->next_media_type, app_start_parameters->next_title_id);
auto process = NS::LaunchTitle(system, app_start_parameters->next_media_type,
app_start_parameters->next_title_id);
if (!process) {
LOG_CRITICAL(Service_APT, "Failed to launch title during application start, exiting.");
system.RequestShutdown();
@ -1423,7 +1423,7 @@ void AppletManager::EnsureHomeMenuLoaded() {
auto cfg = Service::CFG::GetModule(system);
auto menu_title_id = GetTitleIdForApplet(AppletId::HomeMenu, cfg->GetRegionValue());
auto process = NS::LaunchTitle(FS::MediaType::NAND, menu_title_id);
auto process = NS::LaunchTitle(system, FS::MediaType::NAND, menu_title_id);
if (!process) {
LOG_WARNING(Service_APT,
"The Home Menu failed to launch, application jumping will not work.");

14
src/core/hle/service/apt/ns.cpp
View File

@ -9,7 +9,8 @@
namespace Service::NS {
std::shared_ptr<Kernel::Process> LaunchTitle(FS::MediaType media_type, u64 title_id) {
std::shared_ptr<Kernel::Process> LaunchTitle(Core::System& system, FS::MediaType media_type,
u64 title_id) {
std::string path = AM::GetTitleContentPath(media_type, title_id);
auto loader = Loader::GetLoader(path);
@ -18,6 +19,17 @@ std::shared_ptr<Kernel::Process> LaunchTitle(FS::MediaType media_type, u64 title
return nullptr;
}
auto plg_ldr = Service::PLGLDR::GetService(system);
if (plg_ldr) {
const auto& plg_context = plg_ldr->GetPluginLoaderContext();
if (plg_context.is_enabled && plg_context.use_user_load_parameters &&
plg_context.user_load_parameters.low_title_Id == static_cast<u32>(title_id) &&
plg_context.user_load_parameters.plugin_memory_strategy ==
PLGLDR::PLG_LDR::PluginMemoryStrategy::PLG_STRATEGY_MODE3) {
loader->SetKernelMemoryModeOverride(Kernel::MemoryMode::Dev2);
}
}
std::shared_ptr<Kernel::Process> process;
Loader::ResultStatus result = loader->Load(process);

3
src/core/hle/service/apt/ns.h
View File

@ -16,7 +16,8 @@ class System;
namespace Service::NS {
/// Loads and launches the title identified by title_id in the specified media type.
std::shared_ptr<Kernel::Process> LaunchTitle(FS::MediaType media_type, u64 title_id);
std::shared_ptr<Kernel::Process> LaunchTitle(Core::System& system, FS::MediaType media_type,
u64 title_id);
/// Reboots the system to the specified title.
void RebootToTitle(Core::System& system, FS::MediaType media_type, u64 title_id);

5
src/core/hle/service/plgldr/plgldr.cpp
View File

@ -204,7 +204,10 @@ void PLG_LDR::SetLoadSettings(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx);
plgldr_context.use_user_load_parameters = true;
plgldr_context.user_load_parameters.no_flash = rp.Pop<u32>() == 1;
u32_le flags = rp.Pop<u32>();
plgldr_context.user_load_parameters.no_flash = (flags & 1) == 1;
plgldr_context.user_load_parameters.plugin_memory_strategy =
static_cast<PluginMemoryStrategy>((flags >> 8) & 0xF);
plgldr_context.user_load_parameters.low_title_Id = rp.Pop<u32>();
auto path = rp.PopMappedBuffer();

10
src/core/hle/service/plgldr/plgldr.h
View File

@ -33,10 +33,16 @@ namespace Service::PLGLDR {
class PLG_LDR final : public ServiceFramework<PLG_LDR> {
public:
enum class PluginMemoryStrategy : u8 {
PLG_STRATEGY_NONE = 2,
PLG_STRATEGY_SWAP = 0,
PLG_STRATEGY_MODE3 = 1,
};
struct PluginLoaderContext {
struct PluginLoadParameters {
u8 no_flash = 0;
u8 no_IR_Patch = 0;
PluginMemoryStrategy plugin_memory_strategy = PluginMemoryStrategy::PLG_STRATEGY_SWAP;
u32_le low_title_Id = 0;
char path[256] = {0};
u32_le config[32] = {0};
@ -44,7 +50,7 @@ public:
template <class Archive>
void serialize(Archive& ar, const unsigned int) {
ar& no_flash;
ar& no_IR_Patch;
ar& plugin_memory_strategy;
ar& low_title_Id;
ar& path;
ar& config;

12
src/core/loader/loader.h
View File

@ -117,6 +117,14 @@ public:
return std::make_pair(0x2, ResultStatus::Success);
}
/**
* Forces the application memory mode to the specified value,
* overriding the memory mode specified in the metadata.
*/
void SetKernelMemoryModeOverride(Kernel::MemoryMode mem_override) {
memory_mode_override = mem_override;
}
/**
* Loads the memory mode that this application needs.
* This function defaults to Dev1 (96MB allocated to the application) if it can't read the
@ -124,6 +132,9 @@ public:
* @returns A pair with the optional memory mode, and the status.
*/
virtual std::pair<std::optional<Kernel::MemoryMode>, ResultStatus> LoadKernelMemoryMode() {
if (memory_mode_override.has_value()) {
return std::make_pair(*memory_mode_override, ResultStatus::Success);
}
// 96MB allocated to the application.
return std::make_pair(Kernel::MemoryMode::Dev1, ResultStatus::Success);
}
@ -257,6 +268,7 @@ protected:
Core::System& system;
FileUtil::IOFile file;
bool is_loaded = false;
std::optional<Kernel::MemoryMode> memory_mode_override = std::nullopt;
};
/**

5
src/core/loader/ncch.cpp
View File

@ -69,6 +69,9 @@ std::pair<std::optional<Kernel::MemoryMode>, ResultStatus> AppLoader_NCCH::LoadK
return std::make_pair(std::nullopt, res);
}
}
if (memory_mode_override.has_value()) {
return std::make_pair(memory_mode_override, ResultStatus::Success);
}
// Provide the memory mode from the exheader.
auto& ncch_caps = overlay_ncch->exheader_header.arm11_system_local_caps;
@ -159,7 +162,7 @@ ResultStatus AppLoader_NCCH::LoadExec(std::shared_ptr<Kernel::Process>& process)
// APPLICATION. See:
// https://github.com/LumaTeam/Luma3DS/blob/e2778a45/sysmodules/pm/source/launch.c#L237
auto& ncch_caps = overlay_ncch->exheader_header.arm11_system_local_caps;
const auto o3ds_mode = static_cast<Kernel::MemoryMode>(ncch_caps.system_mode.Value());
const auto o3ds_mode = *LoadKernelMemoryMode().first;
const auto n3ds_mode = static_cast<Kernel::New3dsMemoryMode>(ncch_caps.n3ds_mode);
const bool is_new_3ds = Settings::values.is_new_3ds.GetValue();
if (is_new_3ds && n3ds_mode == Kernel::New3dsMemoryMode::Legacy &&