Atmosphere/libraries/libstratosphere/source/scs/scs_tenv.cpp

55 lines
1.7 KiB
C++
Raw Normal View History

/*
* 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/>.
*/
#include <stratosphere.hpp>
namespace ams::scs {
namespace {
alignas(os::MemoryPageSize) constinit u8 g_tenv_heap_storage[48_KB];
constinit lmem::HeapHandle g_tenv_heap_handle = nullptr;
constinit os::SdkMutex g_mutex;
void InitializeExpHeap() {
std::scoped_lock lk(g_mutex);
g_tenv_heap_handle = lmem::CreateExpHeap(g_tenv_heap_storage, sizeof(g_tenv_heap_storage), lmem::CreateOption_None);
}
void *Allocate(size_t size) {
std::scoped_lock lk(g_mutex);
void *mem = lmem::AllocateFromExpHeap(g_tenv_heap_handle, size);
return mem;
}
void Deallocate(void *p, size_t size) {
AMS_UNUSED(size);
std::scoped_lock lk(g_mutex);
lmem::FreeToExpHeap(g_tenv_heap_handle, p);
}
}
void InitializeTenvServiceManager() {
/* Initialize the tenv heap. */
InitializeExpHeap();
/* Initialize the tenv library. */
htc::tenv::Initialize(Allocate, Deallocate);
}
}