mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
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69 lines
3.2 KiB
C++
69 lines
3.2 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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#pragma once
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#include <stratosphere.hpp>
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namespace ams::os::impl {
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class VammManagerHorizonImpl {
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public:
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static void GetReservedRegionImpl(uintptr_t *out_start, uintptr_t *out_size) {
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u64 start, size, extra_size;
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R_ABORT_UNLESS(svc::GetInfo(std::addressof(start), svc::InfoType_AliasRegionAddress, svc::PseudoHandle::CurrentProcess, 0));
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R_ABORT_UNLESS(svc::GetInfo(std::addressof(size), svc::InfoType_AliasRegionSize, svc::PseudoHandle::CurrentProcess, 0));
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R_ABORT_UNLESS(svc::GetInfo(std::addressof(extra_size), svc::InfoType_AliasRegionExtraSize, svc::PseudoHandle::CurrentProcess, 0));
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*out_start = start;
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*out_size = size - extra_size;
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}
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static Result AllocatePhysicalMemoryImpl(uintptr_t address, size_t size) {
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R_TRY_CATCH(svc::MapPhysicalMemory(address, size)) {
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R_CONVERT(svc::ResultOutOfResource, os::ResultOutOfResource())
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R_CONVERT(svc::ResultOutOfMemory, os::ResultOutOfMemory())
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R_CONVERT(svc::ResultLimitReached, os::ResultOutOfMemory())
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} R_END_TRY_CATCH_WITH_ABORT_UNLESS;
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R_SUCCEED();
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}
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static Result FreePhysicalMemoryImpl(uintptr_t address, size_t size) {
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R_TRY_CATCH(svc::UnmapPhysicalMemory(address, size)) {
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R_CONVERT(svc::ResultInvalidCurrentMemory, os::ResultBusy())
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R_CONVERT(svc::ResultOutOfResource, os::ResultOutOfResource())
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R_CONVERT(svc::ResultOutOfMemory, os::ResultOutOfMemory())
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R_CONVERT(svc::ResultLimitReached, os::ResultOutOfMemory())
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} R_END_TRY_CATCH_WITH_ABORT_UNLESS;
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R_SUCCEED();
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}
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static size_t GetExtraSystemResourceAssignedSize() {
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u64 v;
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return R_SUCCEEDED(svc::GetInfo(std::addressof(v), svc::InfoType_SystemResourceSizeTotal, svc::PseudoHandle::CurrentProcess, 0)) ? v : 0;
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}
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static size_t GetExtraSystemResourceUsedSize() {
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u64 v;
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return R_SUCCEEDED(svc::GetInfo(std::addressof(v), svc::InfoType_SystemResourceSizeUsed, svc::PseudoHandle::CurrentProcess, 0)) ? v : 0;
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}
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static bool IsVirtualAddressMemoryEnabled() {
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return GetExtraSystemResourceAssignedSize() > 0;
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}
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};
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using VammManagerImpl = VammManagerHorizonImpl;
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}
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