Atmosphere/libraries/libstratosphere/include/stratosphere/psc/psc_pm_module.os.generic.hpp

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/*
* 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.hpp>
#include <stratosphere/psc/psc_types.hpp>
#include <stratosphere/psc/psc_pm_module_id.hpp>
#include <stratosphere/psc/sf/psc_sf_i_pm_module.hpp>
namespace ams::psc {
class PmModule {
NON_COPYABLE(PmModule);
NON_MOVEABLE(PmModule);
private:
os::SystemEvent m_system_event;
bool m_initialized;
PmModuleId m_module_id;
uintptr_t m_reserved;
PmState m_state;
PmFlagSet m_flags;
public:
PmModule() : m_initialized(false), m_module_id(PmModuleId_Reserved0), m_reserved(0), m_state(PmState_FullAwake), m_flags() { /* ... */ }
~PmModule() {
if (m_initialized) {
R_ABORT_UNLESS(this->Finalize());
}
}
Result Initialize(const PmModuleId mid, const PmModuleId *dependencies, u32 dependency_count, os::EventClearMode clear_mode) {
/* TODO: Should we do in-process dependency resolution? */
AMS_UNUSED(dependencies, dependency_count);
/* Check that we're not already initialized. */
R_UNLESS(!m_initialized, psc::ResultAlreadyInitialized());
/* Create our event. */
R_ABORT_UNLESS(os::CreateSystemEvent(m_system_event.GetBase(), clear_mode, false));
/* Set our state. */
m_module_id = mid;
m_initialized = true;
R_SUCCEED();
}
Result Finalize() {
/* Check that we're initialized. */
R_UNLESS(m_initialized, psc::ResultNotInitialized());
/* Destroy our system event. */
os::DestroySystemEvent(m_system_event.GetBase());
/* Mark not initialized. */
m_initialized = false;
R_SUCCEED();
}
constexpr PmModuleId GetId() const { return m_module_id; }
Result GetRequest(PmState *out_state, PmFlagSet *out_flags) {
/* Check that we're initialized. */
R_UNLESS(m_initialized, psc::ResultNotInitialized());
/* Set output. */
*out_state = m_state;
*out_flags = m_flags;
R_SUCCEED();
}
Result Acknowledge(PmState state, Result res) {
/* Check that we're initialized. */
R_UNLESS(m_initialized, psc::ResultNotInitialized());
/* Check the transition was successful. */
R_ABORT_UNLESS(res);
AMS_UNUSED(state);
R_SUCCEED();
}
os::SystemEvent *GetEventPointer() {
return std::addressof(m_system_event);
}
};
}