Atmosphere/libraries/libstratosphere/source/psc/psc_pm_module.os.horizon.cpp
2021-02-10 02:57:22 -08:00

90 lines
3.3 KiB
C++

/*
* Copyright (c) 2018-2020 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/>.
*/
#include <stratosphere.hpp>
#include "psc_remote_pm_module.hpp"
namespace ams::psc {
/* TODO: Nintendo uses sf::ShimLobraryObjectHolder here, we should similarly consider switching. */
namespace {
struct PscRemotePmModuleTag;
using RemoteAllocator = ams::sf::ExpHeapStaticAllocator<2_KB, PscRemotePmModuleTag>;
using RemoteObjectFactory = ams::sf::ObjectFactory<typename RemoteAllocator::Policy>;
class StaticAllocatorInitializer {
public:
StaticAllocatorInitializer() {
RemoteAllocator::Initialize(lmem::CreateOption_None);
}
} g_static_allocator_initializer;
}
PmModule::PmModule() : intf(nullptr), initialized(false), reserved(0) { /* ... */ }
PmModule::~PmModule() {
if (this->initialized) {
this->intf = nullptr;
os::DestroySystemEvent(this->system_event.GetBase());
}
}
Result PmModule::Initialize(const PmModuleId mid, const PmModuleId *dependencies, u32 dependency_count, os::EventClearMode clear_mode) {
R_UNLESS(!this->initialized, psc::ResultAlreadyInitialized());
static_assert(sizeof(*dependencies) == sizeof(u32));
::PscPmModule module;
R_TRY(::pscmGetPmModule(std::addressof(module), static_cast<::PscPmModuleId>(mid), reinterpret_cast<const u32 *>(dependencies), dependency_count, clear_mode == os::EventClearMode_AutoClear));
this->intf = RemoteObjectFactory::CreateSharedEmplaced<psc::sf::IPmModule, RemotePmModule>(module);
this->system_event.AttachReadableHandle(module.event.revent, false, clear_mode);
this->initialized = true;
return ResultSuccess();
}
Result PmModule::Finalize() {
R_UNLESS(this->initialized, psc::ResultNotInitialized());
R_TRY(this->intf->Finalize());
this->intf = nullptr;
os::DestroySystemEvent(this->system_event.GetBase());
this->initialized = false;
return ResultSuccess();
}
Result PmModule::GetRequest(PmState *out_state, PmFlagSet *out_flags) {
R_UNLESS(this->initialized, psc::ResultNotInitialized());
return this->intf->GetRequest(out_state, out_flags);
}
Result PmModule::Acknowledge(PmState state, Result res) {
R_ABORT_UNLESS(res);
R_UNLESS(this->initialized, psc::ResultNotInitialized());
if (hos::GetVersion() >= hos::Version_5_1_0) {
return this->intf->AcknowledgeEx(state);
} else {
return this->intf->Acknowledge();
}
}
os::SystemEvent *PmModule::GetEventPointer() {
return std::addressof(this->system_event);
}
}