mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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84 lines
2.7 KiB
C++
84 lines
2.7 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 <vapours.hpp>
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#include <stratosphere/os/os_io_region_types.hpp>
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#include <stratosphere/os/os_io_region_api.hpp>
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namespace ams::os {
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class IoRegion {
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NON_COPYABLE(IoRegion);
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NON_MOVEABLE(IoRegion);
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private:
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IoRegionType m_io_region;
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public:
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constexpr IoRegion() : m_io_region{ .state = IoRegionType::State_NotInitialized } {
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/* ... */
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}
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IoRegion(NativeHandle io_pool_handle, uintptr_t address, size_t size, MemoryMapping mapping, MemoryPermission permission) {
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R_ABORT_UNLESS(CreateIoRegion(std::addressof(m_io_region), io_pool_handle, address, size, mapping, permission));
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}
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IoRegion(size_t size, NativeHandle handle, bool managed) {
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this->AttachHandle(size, handle, managed);
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}
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~IoRegion() {
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if (m_io_region.state == IoRegionType::State_NotInitialized) {
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return;
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}
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if (m_io_region.state == IoRegionType::State_Mapped) {
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this->Unmap();
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}
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DestroyIoRegion(std::addressof(m_io_region));
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}
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void AttachHandle(size_t size, NativeHandle handle, bool managed) {
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AttachIoRegionHandle(std::addressof(m_io_region), size, handle, managed);
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}
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NativeHandle GetHandle() const {
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return GetIoRegionHandle(std::addressof(m_io_region));
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}
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Result Map(void **out, MemoryPermission perm) {
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R_RETURN(MapIoRegion(out, std::addressof(m_io_region), perm));
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}
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void Unmap() {
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UnmapIoRegion(std::addressof(m_io_region));
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}
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operator IoRegionType &() {
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return m_io_region;
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}
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operator const IoRegionType &() const {
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return m_io_region;
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}
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IoRegionType *GetBase() {
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return std::addressof(m_io_region);
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}
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};
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}
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