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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "htcs_manager.hpp"
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namespace ams::htcs::impl::HtcsManagerHolder {
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namespace {
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constinit os::SdkMutex g_holder_mutex;
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constinit int g_holder_reference_count = 0;
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mem::StandardAllocator g_allocator;
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constinit HtcsManager *g_manager = nullptr;
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alignas(os::MemoryPageSize) u8 g_heap_buffer[416_KB];
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}
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void AddReference() {
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std::scoped_lock lk(g_holder_mutex);
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if ((g_holder_reference_count++) == 0) {
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/* Add reference to the htclow manager. */
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htclow::HtclowManagerHolder::AddReference();
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/* Initialize the allocator for the manager. */
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g_allocator.Initialize(g_heap_buffer, sizeof(g_heap_buffer));
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/* Allocate the manager. */
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g_manager = static_cast<HtcsManager *>(g_allocator.Allocate(sizeof(HtcsManager), alignof(HtcsManager)));
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/* Construct the manager. */
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std::construct_at(g_manager, std::addressof(g_allocator), htclow::HtclowManagerHolder::GetHtclowManager());
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}
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AMS_ASSERT(g_holder_reference_count > 0);
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}
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void Release() {
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std::scoped_lock lk(g_holder_mutex);
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AMS_ASSERT(g_holder_reference_count > 0);
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if ((--g_holder_reference_count) == 0) {
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/* Destroy the manager. */
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std::destroy_at(g_manager);
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g_allocator.Free(g_manager);
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g_manager = nullptr;
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/* Finalize the allocator. */
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g_allocator.Finalize();
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/* Release reference to the htclow manager. */
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htclow::HtclowManagerHolder::Release();
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}
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}
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HtcsManager *GetHtcsManager() {
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std::scoped_lock lk(g_holder_mutex);
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return g_manager;
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}
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}
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