mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
55 lines
2.4 KiB
C++
55 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 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/>.
|
|
*/
|
|
#pragma once
|
|
#include <mesosphere/kern_common.hpp>
|
|
#include <mesosphere/kern_k_auto_object.hpp>
|
|
#include <mesosphere/kern_slab_helpers.hpp>
|
|
|
|
namespace ams::kern {
|
|
|
|
class KTransferMemory final : public KAutoObjectWithSlabHeapAndContainer<KTransferMemory, KAutoObjectWithList> {
|
|
MESOSPHERE_AUTOOBJECT_TRAITS(KTransferMemory, KAutoObject);
|
|
private:
|
|
util::TypedStorage<KPageGroup> m_page_group;
|
|
KProcess *m_owner;
|
|
KProcessAddress m_address;
|
|
KLightLock m_lock;
|
|
ams::svc::MemoryPermission m_owner_perm;
|
|
bool m_is_initialized;
|
|
bool m_is_mapped;
|
|
public:
|
|
explicit KTransferMemory() : m_owner(nullptr), m_address(Null<KProcessAddress>), m_owner_perm(ams::svc::MemoryPermission_None), m_is_initialized(false), m_is_mapped(false) {
|
|
/* ... */
|
|
}
|
|
|
|
virtual ~KTransferMemory() { /* ... */ }
|
|
|
|
Result Initialize(KProcessAddress addr, size_t size, ams::svc::MemoryPermission own_perm);
|
|
virtual void Finalize() override;
|
|
|
|
virtual bool IsInitialized() const override { return m_is_initialized; }
|
|
virtual uintptr_t GetPostDestroyArgument() const override { return reinterpret_cast<uintptr_t>(m_owner); }
|
|
static void PostDestroy(uintptr_t arg);
|
|
|
|
Result Map(KProcessAddress address, size_t size, ams::svc::MemoryPermission map_perm);
|
|
Result Unmap(KProcessAddress address, size_t size);
|
|
|
|
KProcess *GetOwner() const { return m_owner; }
|
|
KProcessAddress GetSourceAddress() { return m_address; }
|
|
size_t GetSize() const { return m_is_initialized ? GetReference(m_page_group).GetNumPages() * PageSize : 0; }
|
|
};
|
|
|
|
}
|