mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
/*
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* Copyright (c) 2018-2020 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 <mesosphere/kern_common.hpp>
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#include <mesosphere/kern_k_auto_object.hpp>
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#include <mesosphere/kern_slab_helpers.hpp>
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namespace ams::kern {
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class KProcess;
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class KIoPool;
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class KIoRegion final : public KAutoObjectWithSlabHeapAndContainer<KIoRegion, KAutoObjectWithList> {
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MESOSPHERE_AUTOOBJECT_TRAITS(KIoRegion, KAutoObject);
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private:
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friend class KProcess;
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friend class KIoPool;
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private:
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KLightLock m_lock;
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KIoPool *m_pool;
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KPhysicalAddress m_physical_address;
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size_t m_size;
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ams::svc::MemoryMapping m_mapping;
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ams::svc::MemoryPermission m_perm;
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bool m_is_initialized;
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bool m_is_mapped;
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util::IntrusiveListNode m_process_list_node;
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util::IntrusiveListNode m_pool_list_node;
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public:
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explicit KIoRegion()
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: m_lock(), m_pool(nullptr), m_is_initialized(false), m_process_list_node(), m_pool_list_node()
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{
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/* ... */
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}
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Result Initialize(KIoPool *pool, KPhysicalAddress phys_addr, size_t size, ams::svc::MemoryMapping mapping, ams::svc::MemoryPermission perm);
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virtual void Finalize() override;
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virtual bool IsInitialized() const override { return m_is_initialized; }
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static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
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Result Map(KProcessAddress address, size_t size, ams::svc::MemoryPermission map_perm);
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Result Unmap(KProcessAddress address, size_t size);
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bool Overlaps(KPhysicalAddress address, size_t size) const {
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return m_physical_address <= (address + size - 1) && address <= (m_physical_address + m_size - 1);
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}
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ALWAYS_INLINE KPhysicalAddress GetAddress() const { return m_physical_address; }
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ALWAYS_INLINE size_t GetSize() const { return m_size; }
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};
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}
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