ams: deduplicate static initialization logic

This commit is contained in:
Michael Scire 2021-12-13 13:07:03 -08:00
parent 78f7218c4f
commit 30fac905af
24 changed files with 202 additions and 262 deletions

View file

@ -133,7 +133,7 @@ namespace ams::kern::arch::arm {
PriorityLevel_Scheduler = 2,
};
private:
static inline u32 s_mask[cpu::NumCores];
static constinit inline u32 s_mask[cpu::NumCores];
private:
volatile GicDistributor *m_gicd;
volatile GicCpuInterface *m_gicc;

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@ -44,7 +44,7 @@ namespace ams::kern::arch::arm64::cpu {
class KPerformanceCounterInterruptHandler : public KInterruptHandler {
private:
static inline KLightLock s_lock;
static constinit inline KLightLock s_lock;
private:
u64 m_counter;
s32 m_which;

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@ -18,41 +18,28 @@
#include <vapours.hpp>
#include <stratosphere/os/os_sdk_mutex.hpp>
#define AMS_SINGLETON_TRAITS(_CLASSNAME_) \
private: \
NON_COPYABLE(_CLASSNAME_); \
NON_MOVEABLE(_CLASSNAME_); \
private: \
_CLASSNAME_ (); \
public: \
static _CLASSNAME_ &GetInstance() { \
/* Declare singleton instance variables. */ \
static constinit ::ams::util::TypedStorage<_CLASSNAME_> s_singleton_storage; \
static constinit ::ams::os::SdkMutex s_singleton_mutex; \
static constinit bool s_initialized_singleton = false; \
\
/* Ensure the instance is created. */ \
if (AMS_UNLIKELY(!s_initialized_singleton)) { \
std::scoped_lock lk(s_singleton_mutex); \
\
if (AMS_LIKELY(!s_initialized_singleton)) { \
new (::ams::util::GetPointer(s_singleton_storage)) _CLASSNAME_; \
s_initialized_singleton = true; \
} \
} \
\
return ::ams::util::GetReference(s_singleton_storage); \
#define AMS_SINGLETON_TRAITS(_CLASSNAME_) \
private: \
NON_COPYABLE(_CLASSNAME_); \
NON_MOVEABLE(_CLASSNAME_); \
private: \
_CLASSNAME_ (); \
public: \
static _CLASSNAME_ &GetInstance() { \
AMS_FUNCTION_LOCAL_STATIC(_CLASSNAME_, s_singleton_instance); \
\
return s_singleton_instance; \
}
#define AMS_CONSTINIT_SINGLETON_TRAITS(_CLASSNAME_) \
private: \
NON_COPYABLE(_CLASSNAME_); \
NON_MOVEABLE(_CLASSNAME_); \
private: \
constexpr _CLASSNAME_ () = default; \
public: \
static _CLASSNAME_ &GetInstance() { \
/* Declare singleton instance variables. */ \
static constinit _CLASSNAME_ s_singleton_instance; \
return s_singleton_instance; \
#define AMS_CONSTINIT_SINGLETON_TRAITS(_CLASSNAME_) \
private: \
NON_COPYABLE(_CLASSNAME_); \
NON_MOVEABLE(_CLASSNAME_); \
private: \
constexpr _CLASSNAME_ () = default; \
public: \
static _CLASSNAME_ &GetInstance() { \
/* Declare singleton instance variables. */ \
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(_CLASSNAME_, s_singleton_instance); \
return s_singleton_instance; \
}

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@ -73,18 +73,7 @@ namespace ams::erpt::srv {
}
bool IsProductionMode() {
static constinit bool s_initialized = false;
static constinit bool s_is_prod_mode = true;
static constinit os::SdkMutex s_mutex;
if (AMS_UNLIKELY(!s_initialized)) {
std::scoped_lock lk(s_mutex);
if (AMS_LIKELY(!s_initialized)) {
s_is_prod_mode = IsProductionModeImpl();
s_initialized = true;
}
}
AMS_FUNCTION_LOCAL_STATIC(bool, s_is_prod_mode, IsProductionModeImpl());
return s_is_prod_mode;
}

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@ -112,13 +112,13 @@ namespace ams::fssystem {
NcaCryptoConfiguration g_nca_crypto_configuration_prod;
constexpr inline s32 KeySlotCacheEntryCount = 3;
KeySlotCache g_key_slot_cache;
util::optional<KeySlotCacheEntry> g_key_slot_cache_entry[KeySlotCacheEntryCount];
constinit KeySlotCache g_key_slot_cache;
constinit util::optional<KeySlotCacheEntry> g_key_slot_cache_entry[KeySlotCacheEntryCount];
spl::AccessKey &GetNcaKekAccessKey(s32 key_type) {
static spl::AccessKey s_nca_kek_access_key_array[KeyAreaEncryptionKeyCount] = {};
static spl::AccessKey s_nca_header_kek_access_key = {};
static spl::AccessKey s_invalid_nca_kek_access_key = {};
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(spl::AccessKey, s_nca_kek_access_key_array[KeyAreaEncryptionKeyCount]);
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(spl::AccessKey, s_nca_header_kek_access_key);
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(spl::AccessKey, s_invalid_nca_kek_access_key);
if (key_type > static_cast<s32>(KeyType::NcaHeaderKey) || IsInvalidKeyTypeValue(key_type)) {
return s_invalid_nca_kek_access_key;

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@ -26,42 +26,20 @@ namespace ams::gpio::driver::impl {
alignas(os::MemoryPageSize) u8 g_interrupt_thread_stack[InterruptThreadStackSize];
gpio::driver::IGpioDriver::List &GetGpioDriverList() {
static constinit gpio::driver::IGpioDriver::List s_gpio_driver_list;
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(gpio::driver::IGpioDriver::List, s_gpio_driver_list);
return s_gpio_driver_list;
}
ddsf::EventHandlerManager &GetInterruptHandlerManager() {
static constinit util::TypedStorage<ddsf::EventHandlerManager> s_interrupt_handler_manager;
static constinit bool s_initialized = false;
static constinit os::SdkMutex s_mutex;
AMS_FUNCTION_LOCAL_STATIC(ddsf::EventHandlerManager, s_interrupt_handler_manager);
if (AMS_UNLIKELY(!s_initialized)) {
std::scoped_lock lk(s_mutex);
if (AMS_LIKELY(!s_initialized)) {
util::ConstructAt(s_interrupt_handler_manager);
s_initialized = true;
}
}
return util::GetReference(s_interrupt_handler_manager);
return s_interrupt_handler_manager;
}
ddsf::DeviceCodeEntryManager &GetDeviceCodeEntryManager() {
static constinit util::TypedStorage<ddsf::DeviceCodeEntryManager> s_device_code_entry_manager;
static constinit bool s_initialized = false;
static constinit os::SdkMutex s_mutex;
AMS_FUNCTION_LOCAL_STATIC(ddsf::DeviceCodeEntryManager, s_device_code_entry_manager, ddsf::GetDeviceCodeEntryHolderMemoryResource());
if (AMS_UNLIKELY(!s_initialized)) {
std::scoped_lock lk(s_mutex);
if (AMS_LIKELY(!s_initialized)) {
util::ConstructAt(s_device_code_entry_manager, ddsf::GetDeviceCodeEntryHolderMemoryResource());
s_initialized = true;
}
}
return util::GetReference(s_device_code_entry_manager);
return s_device_code_entry_manager;
}
void InterruptThreadFunction(void *arg) {

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@ -95,16 +95,17 @@ namespace ams::i2c::driver::board::nintendo::nx {
}
}
constinit util::TypedStorage<impl::I2cBusAccessorManager> g_bus_accessor_manager;
constinit util::TypedStorage<impl::I2cDevicePropertyManager> g_device_manager;
}
void Initialize() {
static constinit util::TypedStorage<impl::I2cBusAccessorManager> s_bus_accessor_manager;
static constinit util::TypedStorage<impl::I2cDevicePropertyManager> s_device_manager;
/* Initialize managers. */
util::ConstructAt(g_bus_accessor_manager, ddsf::GetMemoryResource());
util::ConstructAt(g_device_manager, ddsf::GetMemoryResource());
util::ConstructAt(s_bus_accessor_manager, ddsf::GetMemoryResource());
util::ConstructAt(s_device_manager, ddsf::GetMemoryResource());
return Initialize(util::GetReference(s_bus_accessor_manager), util::GetReference(s_device_manager));
return Initialize(util::GetReference(g_bus_accessor_manager), util::GetReference(g_device_manager));
}
}

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@ -24,25 +24,14 @@ namespace ams::i2c::driver::impl {
constinit int g_init_count = 0;
i2c::driver::II2cDriver::List &GetI2cDriverList() {
static constinit i2c::driver::II2cDriver::List s_driver_list;
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(i2c::driver::II2cDriver::List, s_driver_list);
return s_driver_list;
}
ddsf::DeviceCodeEntryManager &GetDeviceCodeEntryManager() {
static constinit util::TypedStorage<ddsf::DeviceCodeEntryManager> s_device_code_entry_manager;
static constinit bool s_initialized = false;
static constinit os::SdkMutex s_mutex;
AMS_FUNCTION_LOCAL_STATIC(ddsf::DeviceCodeEntryManager, s_device_code_entry_manager, ddsf::GetDeviceCodeEntryHolderMemoryResource());
if (AMS_UNLIKELY(!s_initialized)) {
std::scoped_lock lk(s_mutex);
if (AMS_LIKELY(!s_initialized)) {
util::ConstructAt(s_device_code_entry_manager, ddsf::GetDeviceCodeEntryHolderMemoryResource());
s_initialized = true;
}
}
return util::GetReference(s_device_code_entry_manager);
return s_device_code_entry_manager;
}
}

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@ -34,7 +34,8 @@ namespace ams::lm::srv {
}
EventLogTransmitter &EventLogTransmitter::GetDefaultInstance() {
static constinit EventLogTransmitter s_default_event_log_transmitter(DefaultFlushFunction);
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(EventLogTransmitter, s_default_event_log_transmitter, DefaultFlushFunction);
return s_default_event_log_transmitter;
}

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@ -63,8 +63,10 @@ namespace ams::lm::srv {
}
bool DefaultFlushFunction(const u8 *data, size_t size) {
/* Declare persistent clock-updated state storage. */
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(bool, s_is_user_system_clock_updated, false);
/* Update clock. */
static constinit bool s_is_user_system_clock_updated = false;
if (!s_is_user_system_clock_updated) {
UpdateUserSystemClock(data, size);
s_is_user_system_clock_updated = true;
@ -84,8 +86,8 @@ namespace ams::lm::srv {
}
LogBuffer &LogBuffer::GetDefaultInstance() {
static constinit u8 s_default_buffers[128_KB * 2];
static constinit LogBuffer s_default_log_buffer(s_default_buffers, sizeof(s_default_buffers), DefaultFlushFunction);
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(u8, s_default_buffers[128_KB * 2]);
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(LogBuffer, s_default_log_buffer, s_default_buffers, sizeof(s_default_buffers), DefaultFlushFunction);
return s_default_log_buffer;
}

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@ -19,8 +19,9 @@
namespace ams::lm::srv {
CustomSinkBuffer &LogGetterImpl::GetBuffer() {
static constinit u8 s_buffer[32_KB];
static constinit CustomSinkBuffer s_custom_sink_buffer(s_buffer, sizeof(s_buffer), FlushFunction);
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(u8, s_buffer[32_KB]);
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(CustomSinkBuffer, s_custom_sink_buffer, s_buffer, sizeof(s_buffer), FlushFunction);
return s_custom_sink_buffer;
}

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@ -188,7 +188,7 @@ namespace ams::lm::srv {
size_t carry_size;
bool ends_with_text_log;
};
static constinit PreviousPacketContext s_previous_packet_context = {};
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(PreviousPacketContext, s_previous_packet_context);
/* Get the packet header. */
auto *header = static_cast<const impl::LogPacketHeader *>(buffer);

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@ -635,7 +635,7 @@ namespace ams::ncm {
for (s32 i = 0; i < count; i++) {
R_UNLESS(!this->IsCancelRequested(), ncm::ResultCreatePlaceHolderCancelled());
static constinit os::SdkMutex s_placeholder_mutex;
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(os::SdkMutex, s_placeholder_mutex);
std::scoped_lock lk(s_placeholder_mutex);
InstallContentMeta content_meta;

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@ -44,7 +44,8 @@ namespace ams::ncm {
}
HeapState &GetHeapState() {
static HeapState s_heap_state = {};
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(HeapState, s_heap_state);
return s_heap_state;
}

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@ -20,60 +20,44 @@ namespace ams::powctl::impl {
namespace {
os::ThreadType g_interrupt_thread;
constinit os::ThreadType g_interrupt_thread;
constexpr inline size_t InterruptThreadStackSize = os::MemoryPageSize;
alignas(os::MemoryPageSize) u8 g_interrupt_thread_stack[InterruptThreadStackSize];
constinit u8 g_unit_heap_memory[2_KB];
constinit lmem::HeapHandle g_unit_heap_handle;
constinit sf::UnitHeapMemoryResource g_unit_heap_memory_resource;
IPowerControlDriver::List &GetDriverList() {
static constinit IPowerControlDriver::List s_driver_list;
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(IPowerControlDriver::List, s_driver_list);
return s_driver_list;
}
ddsf::EventHandlerManager &GetInterruptHandlerManager() {
static constinit util::TypedStorage<ddsf::EventHandlerManager> s_interrupt_handler_manager;
static constinit bool s_initialized = false;
static constinit os::SdkMutex s_mutex;
AMS_FUNCTION_LOCAL_STATIC(ddsf::EventHandlerManager, s_interrupt_handler_manager);
if (AMS_UNLIKELY(!s_initialized)) {
std::scoped_lock lk(s_mutex);
if (AMS_LIKELY(!s_initialized)) {
util::ConstructAt(s_interrupt_handler_manager);
s_initialized = true;
}
}
return util::GetReference(s_interrupt_handler_manager);
return s_interrupt_handler_manager;
}
ddsf::DeviceCodeEntryManager &GetDeviceCodeEntryManager() {
static constinit util::TypedStorage<ddsf::DeviceCodeEntryManager> s_device_code_entry_manager;
static constinit bool s_initialized = false;
static constinit os::SdkMutex s_mutex;
class DeviceCodeEntryManagerWithUnitHeap {
private:
u8 m_heap_memory[2_KB];
sf::UnitHeapMemoryResource m_memory_resource;
util::TypedStorage<ddsf::DeviceCodeEntryManager> m_manager;
public:
DeviceCodeEntryManagerWithUnitHeap() {
/* Initialize the memory resource. */
m_memory_resource.Attach(lmem::CreateUnitHeap(m_heap_memory, sizeof(m_heap_memory), sizeof(ddsf::DeviceCodeEntryHolder), lmem::CreateOption_ThreadSafe));
if (AMS_UNLIKELY(!s_initialized)) {
std::scoped_lock lk(s_mutex);
/* Construct the entry manager. */
util::ConstructAt(m_manager, std::addressof(m_memory_resource));
}
if (AMS_LIKELY(!s_initialized)) {
/* Initialize the entry code heap. */
g_unit_heap_handle = lmem::CreateUnitHeap(g_unit_heap_memory, sizeof(g_unit_heap_memory), sizeof(ddsf::DeviceCodeEntryHolder), lmem::CreateOption_ThreadSafe);
ALWAYS_INLINE operator ddsf::DeviceCodeEntryManager &() {
return util::GetReference(m_manager);
}
};
AMS_FUNCTION_LOCAL_STATIC(DeviceCodeEntryManagerWithUnitHeap, s_device_code_entry_manager_holder);
/* Initialize the entry code memory resource. */
g_unit_heap_memory_resource.Attach(g_unit_heap_handle);
/* Make the entry manager using the newly initialized memory resource. */
util::ConstructAt(s_device_code_entry_manager, std::addressof(g_unit_heap_memory_resource));
s_initialized = true;
}
}
return util::GetReference(s_device_code_entry_manager);
return s_device_code_entry_manager_holder;
}
void InterruptThreadFunction(void *arg) {

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@ -24,25 +24,14 @@ namespace ams::pwm::driver::impl {
constinit int g_init_count = 0;
pwm::driver::IPwmDriver::List &GetPwmDriverList() {
static constinit pwm::driver::IPwmDriver::List s_driver_list;
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(pwm::driver::IPwmDriver::List, s_driver_list);
return s_driver_list;
}
ddsf::DeviceCodeEntryManager &GetDeviceCodeEntryManager() {
static constinit util::TypedStorage<ddsf::DeviceCodeEntryManager> s_device_code_entry_manager;
static constinit bool s_initialized = false;
static constinit os::SdkMutex s_mutex;
AMS_FUNCTION_LOCAL_STATIC(ddsf::DeviceCodeEntryManager, s_device_code_entry_manager, ddsf::GetDeviceCodeEntryHolderMemoryResource());
if (AMS_UNLIKELY(!s_initialized)) {
std::scoped_lock lk(s_mutex);
if (AMS_LIKELY(!s_initialized)) {
util::ConstructAt(s_device_code_entry_manager, ddsf::GetDeviceCodeEntryHolderMemoryResource());
s_initialized = true;
}
}
return util::GetReference(s_device_code_entry_manager);
return s_device_code_entry_manager;
}
}

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@ -289,14 +289,8 @@ namespace ams::settings::impl {
}
lmem::HeapHandle &GetHeapHandle() {
static constinit bool s_is_initialized = false;
static constinit lmem::HeapHandle s_heap_handle;
static constinit u8 s_heap_memory[HeapMemorySize];
if (!s_is_initialized) {
s_heap_handle = lmem::CreateExpHeap(s_heap_memory, sizeof(s_heap_memory), lmem::CreateOption_None);
s_is_initialized = true;
}
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(u8, s_heap_memory[HeapMemorySize]);
AMS_FUNCTION_LOCAL_STATIC(lmem::HeapHandle, s_heap_handle, lmem::CreateExpHeap(s_heap_memory, sizeof(s_heap_memory), lmem::CreateOption_ThreadSafe));
return s_heap_handle;
}
@ -314,24 +308,15 @@ namespace ams::settings::impl {
AMS_ASSERT(out != nullptr);
/* Declare static instance variables. */
static constinit util::TypedStorage<Map> s_storage = {};
static constinit bool s_is_initialized = false;
static constinit bool s_is_loaded = false;
AMS_FUNCTION_LOCAL_STATIC(Map, s_map);
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(bool, s_is_map_loaded, false);
/* Get pointer to the map. */
Map *map = util::GetPointer(s_storage);
/* Construct the map, if we haven't already. */
if (AMS_UNLIKELY(!s_is_initialized)) {
/* Construct the instance. */
util::ConstructAt(s_storage);
/* Note that we constructed. */
s_is_initialized = true;
}
Map * const map = std::addressof(s_map);
/* TODO: Mutex? */
/* Load the map, if we haven't already. */
if (AMS_UNLIKELY(!s_is_loaded)) {
if (AMS_UNLIKELY(!s_is_map_loaded)) {
/* Attempt to load the map, allowing for failure if acceptable. */
const auto result = LoadKeyValueStoreMap(map);
@ -340,7 +325,7 @@ namespace ams::settings::impl {
}
/* Note that the map is loaded. */
s_is_loaded = true;
s_is_map_loaded = true;
}
/* Set the output pointer. */
@ -425,26 +410,13 @@ namespace ams::settings::impl {
AMS_ASSERT(out_data != nullptr);
/* Declare static instance variables. */
static constinit util::TypedStorage<SystemData> s_storage = {};
static constinit bool s_initialized = false;
static constinit bool s_mounted = false;
AMS_FUNCTION_LOCAL_STATIC(SystemData, s_data, id, GetSystemDataMountName<T>());
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(bool, s_mounted, false);
/* Get pointer to the system data. */
SystemData *data = util::GetPointer(s_storage);
/* Construct the system data, if we haven't already. */
if (AMS_UNLIKELY(!s_initialized)) {
/* Construct the instance. */
util::ConstructAt(s_storage);
/* Setup system data. */
data->SetSystemDataId(id);
data->SetMountName(GetSystemDataMountName<T>());
/* Note that we constructed. */
s_initialized = true;
}
SystemData *data = std::addressof(s_data);
/* TODO: Mutex? */
/* Mount the system data, if we haven't already. */
if (AMS_UNLIKELY(!s_mounted)) {
/* Mount the system data. */
@ -464,28 +436,11 @@ namespace ams::settings::impl {
AMS_ASSERT(out_data != nullptr);
/* Declare static instance variables. */
static constinit util::TypedStorage<SystemSaveData> s_storage = {};
static constinit bool s_initialized = false;
static constinit bool s_mounted = false;
AMS_FUNCTION_LOCAL_STATIC(SystemSaveData, s_data, SystemSaveDataId, SystemSaveDataSize, SystemSaveDataJournalSize, SystemSaveDataFlags, SystemSaveDataMountName);
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(bool, s_mounted, false);
/* Get pointer to the system data. */
SystemSaveData *data = util::GetPointer(s_storage);
/* Construct the system data, if we haven't already. */
if (AMS_UNLIKELY(!s_initialized)) {
/* Construct the instance. */
util::ConstructAt(s_storage);
/* Setup system data. */
data->SetSystemSaveDataId(SystemSaveDataId);
data->SetTotalSize(SystemSaveDataSize);
data->SetJournalSize(SystemSaveDataJournalSize);
data->SetFlags(SystemSaveDataFlags);
data->SetMountName(SystemSaveDataMountName);
/* Note that we constructed. */
s_initialized = true;
}
/* Get pointer to the system save data. */
SystemSaveData *data = std::addressof(s_data);
/* Mount the system data, if we haven't already. */
if (AMS_UNLIKELY(!s_mounted)) {

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@ -56,27 +56,33 @@ namespace ams::settings::impl {
}
SplConfig GetSplConfig() {
static constinit bool s_is_initialized = false;
static constinit SplConfig s_config;
class SplConfigHolder {
NON_COPYABLE(SplConfigHolder);
NON_MOVEABLE(SplConfigHolder);
private:
SplConfig m_config;
public:
SplConfigHolder() {
/* Initialize spl. */
spl::Initialize();
ON_SCOPE_EXIT { spl::Finalize(); };
if (!s_is_initialized) {
/* Initialize spl. */
spl::Initialize();
ON_SCOPE_EXIT { spl::Finalize(); };
/* Create the config. */
m_config = {
.is_development = spl::IsDevelopment(),
.hardware_type = ConvertToSplHardwareType(spl::GetHardwareType()),
.is_quest = IsSplRetailInteractiveDisplayStateEnabled(spl::GetRetailInteractiveDisplayState()),
.device_id_low = spl::GetDeviceIdLow(),
};
}
/* Create the config. */
s_config = {
.is_development = spl::IsDevelopment(),
.hardware_type = ConvertToSplHardwareType(spl::GetHardwareType()),
.is_quest = IsSplRetailInteractiveDisplayStateEnabled(spl::GetRetailInteractiveDisplayState()),
.device_id_low = spl::GetDeviceIdLow(),
};
ALWAYS_INLINE operator SplConfig() {
return m_config;
}
};
/* Mark as initialized. */
s_is_initialized = true;
}
return s_config;
AMS_FUNCTION_LOCAL_STATIC(SplConfigHolder, s_config_holder);
return s_config_holder;
}
}

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@ -25,27 +25,9 @@ namespace ams::settings::impl {
StaticObject();
public:
static T &Get() {
/* Declare static instance variables. */
static constinit util::TypedStorage<T> s_storage = {};
static constinit bool s_initialized = false;
static constinit os::SdkMutex s_mutex;
AMS_FUNCTION_LOCAL_STATIC(T, s_object);
/* If we haven't already done so, construct the instance. */
if (AMS_UNLIKELY(!s_initialized)) {
std::scoped_lock lk(s_mutex);
/* Check that we didn't concurrently construct the instance. */
if (AMS_LIKELY(!s_initialized)) {
/* Construct the instance. */
util::ConstructAt(s_storage);
/* Note that we constructed. */
s_initialized = true;
}
}
/* Return the constructed instance. */
return util::GetReference(s_storage);
return s_object;
}
};

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@ -30,6 +30,11 @@ namespace ams::settings::impl {
public:
SystemData() : m_system_data_id(), m_mount_name(), m_file_path() { /* ... */ }
SystemData(ncm::SystemDataId id, const char *mn) : SystemData() {
this->SetSystemDataId(id);
this->SetMountName(mn);
}
void SetSystemDataId(ncm::SystemDataId id);
void SetMountName(const char *name);
Result Mount();

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@ -30,6 +30,14 @@ namespace ams::settings::impl {
public:
SystemSaveData() : m_system_save_data_id(0), m_save_data_space_id(fs::SaveDataSpaceId::System), m_total_size(0), m_journal_size(0), m_flags(0) { /* ... */ }
SystemSaveData(u64 id, s64 total_size, s64 journal_size, u32 flags, const char *mn) : SystemSaveData() {
this->SetSystemSaveDataId(id);
this->SetTotalSize(total_size);
this->SetJournalSize(journal_size);
this->SetFlags(flags);
this->SetMountName(mn);
}
void SetSystemSaveDataId(u64 id);
void SetTotalSize(s64 size);
void SetJournalSize(s64 size);

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@ -55,6 +55,8 @@
#include <vapours/util/util_atomic.hpp>
#include <vapours/util/util_function_local_static.hpp>
#ifdef ATMOSPHERE_IS_STRATOSPHERE
#include <vapours/util/util_mutex_utils.hpp>
#endif

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@ -0,0 +1,51 @@
/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours/common.hpp>
#include <vapours/assert.hpp>
#include <vapours/util/util_typed_storage.hpp>
namespace ams::util {
#define AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(_TYPE_, _NAME_, ...) static constinit _TYPE_ _NAME_ { __VA_ARGS__ }
/* NOTE: This must use placement new, to support private constructors. */
#define AMS_FUNCTION_LOCAL_STATIC_IMPL(_LOCKTYPE_, _SCOPELOCKTYPE_, _TYPE_, _NAME_, ...) \
static constinit ::ams::util::TypedStorage<_TYPE_> s_fls_storage_for_##_NAME_ {}; \
static constinit bool s_fls_initialized_##_NAME_ = false; \
static constinit _LOCKTYPE_ s_fls_init_lock_##_NAME_ {}; \
if (AMS_UNLIKELY(!(s_fls_initialized_##_NAME_))) { \
_SCOPELOCKTYPE_ sl_fls_for_##_NAME_ { s_fls_init_lock_##_NAME_ }; \
if (AMS_LIKELY(!(s_fls_initialized_##_NAME_))) { \
new (::ams::util::impl::GetPointerForConstructAt(s_fls_storage_for_##_NAME_)) _TYPE_( __VA_ARGS__ ); \
s_fls_initialized_##_NAME_ = true; \
} \
} \
\
_TYPE_ & _NAME_ = util::GetReference(s_fls_storage_for_##_NAME_)
#if defined(ATMOSPHERE_IS_MESOSPHERE)
#define AMS_FUNCTION_LOCAL_STATIC(_TYPE_, _NAME_, ...) AMS_FUNCTION_LOCAL_STATIC_IMPL(KSpinLock, KScopedSpinLock, _TYPE_, _NAME_, ##__VA_ARGS__)
#elif defined(ATMOSPHERE_IS_STRATOSPHERE)
#define AMS_FUNCTION_LOCAL_STATIC(_TYPE_, _NAME_, ...) AMS_FUNCTION_LOCAL_STATIC_IMPL(os::SdkMutex, std::scoped_lock, _TYPE_, _NAME_, ##__VA_ARGS__)
#endif
}

View file

@ -45,9 +45,18 @@ namespace ams::util {
return *GetPointer(ts);
}
namespace impl {
template<typename T>
static ALWAYS_INLINE T *GetPointerForConstructAt(TypedStorage<T> &ts) {
return reinterpret_cast<T *>(std::addressof(ts._storage));
}
}
template<typename T, typename... Args>
static ALWAYS_INLINE T *ConstructAt(TypedStorage<T> &ts, Args &&... args) {
return std::construct_at(reinterpret_cast<T *>(std::addressof(ts._storage)), std::forward<Args>(args)...);
return std::construct_at(impl::GetPointerForConstructAt(ts), std::forward<Args>(args)...);
}
template<typename T>