Atmosphere/libraries/libstratosphere/source/os/os_virtual_address_memory.cpp

67 lines
2.2 KiB
C++

/*
* 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>
#include "impl/os_vamm_manager.hpp"
namespace ams::os {
void InitializeVirtualAddressMemory() {
return impl::GetVammManager().InitializeIfEnabled();
}
Result AllocateAddressRegion(uintptr_t *out, size_t size) {
AMS_ASSERT(size > 0);
AMS_ASSERT(util::IsAligned(size, MemoryPageSize));
R_RETURN(impl::GetVammManager().AllocateAddressRegion(out, size));
}
Result AllocateMemory(uintptr_t *out, size_t size) {
AMS_ASSERT(size > 0);
AMS_ASSERT(util::IsAligned(size, MemoryPageSize));
R_RETURN(impl::GetVammManager().AllocateMemory(out, size));
}
Result AllocateMemoryPages(uintptr_t address, size_t size) {
AMS_ASSERT(size > 0);
AMS_ASSERT(util::IsAligned(size, MemoryPageSize));
AMS_ASSERT(util::IsAligned(address, MemoryPageSize));
R_RETURN(impl::GetVammManager().AllocateMemoryPages(address, size));
}
Result FreeAddressRegion(uintptr_t address) {
R_RETURN(impl::GetVammManager().FreeAddressRegion(address));
}
Result FreeMemoryPages(uintptr_t address, size_t size) {
AMS_ASSERT(size > 0);
AMS_ASSERT(util::IsAligned(size, MemoryPageSize));
AMS_ASSERT(util::IsAligned(address, MemoryPageSize));
R_RETURN(impl::GetVammManager().FreeMemoryPages(address, size));
}
VirtualAddressMemoryResourceUsage GetVirtualAddressMemoryResourceUsage() {
return impl::GetVammManager().GetVirtualAddressMemoryResourceUsage();
}
bool IsVirtualAddressMemoryEnabled() {
return impl::VammManager::IsVirtualAddressMemoryEnabled();
}
}