/*
* 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 .
*/
#include
#include "htclow_manager.hpp"
namespace ams::htclow::HtclowManagerHolder {
namespace {
constinit os::SdkMutex g_holder_mutex;
constinit int g_holder_reference_count = 0;
mem::StandardAllocator g_allocator;
constinit HtclowManager *g_manager = nullptr;
constinit htclow::impl::DriverType g_default_driver_type = htclow::impl::DriverType::Socket;
alignas(os::MemoryPageSize) u8 g_heap_buffer[928_KB];
}
void AddReference() {
std::scoped_lock lk(g_holder_mutex);
if ((g_holder_reference_count++) == 0) {
/* Initialize the allocator for the manager. */
g_allocator.Initialize(g_heap_buffer, sizeof(g_heap_buffer));
/* Allocate the manager. */
g_manager = static_cast(g_allocator.Allocate(sizeof(HtclowManager), alignof(HtclowManager)));
/* Construct the manager. */
std::construct_at(g_manager, std::addressof(g_allocator));
/* Open the driver. */
R_ABORT_UNLESS(g_manager->OpenDriver(g_default_driver_type));
}
AMS_ASSERT(g_holder_reference_count > 0);
}
void Release() {
std::scoped_lock lk(g_holder_mutex);
AMS_ASSERT(g_holder_reference_count > 0);
if ((--g_holder_reference_count) == 0) {
/* Disconnect. */
g_manager->Disconnect();
/* Close the driver. */
g_manager->CloseDriver();
/* Destroy the manager. */
std::destroy_at(g_manager);
g_allocator.Free(g_manager);
g_manager = nullptr;
/* Finalize the allocator. */
g_allocator.Finalize();
}
}
HtclowManager *GetHtclowManager() {
std::scoped_lock lk(g_holder_mutex);
return g_manager;
}
void SetDefaultDriver(htclow::impl::DriverType driver_type) {
g_default_driver_type = driver_type;
}
}