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Merge pull request #6294 from german77/kernelCleanup
Merge pull request #6294 from german77/kernelCleanup
kernel: Delete unused filesnce_cpp
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GitHub
2 changed files with 0 additions and 151 deletions
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// Copyright 2019 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/hle/kernel/k_page_table.h"
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#include "core/hle/kernel/k_resource_limit.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/transfer_memory.h"
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#include "core/hle/result.h"
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#include "core/memory.h"
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namespace Kernel { |
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TransferMemory::TransferMemory(KernelCore& kernel, Core::Memory::Memory& memory) |
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: Object{kernel}, memory{memory} {} |
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TransferMemory::~TransferMemory() { |
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// Release memory region when transfer memory is destroyed
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Reset(); |
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owner_process->GetResourceLimit()->Release(LimitableResource::TransferMemory, 1); |
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} |
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std::shared_ptr<TransferMemory> TransferMemory::Create(KernelCore& kernel, |
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Core::Memory::Memory& memory, |
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VAddr base_address, std::size_t size, |
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KMemoryPermission permissions) { |
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std::shared_ptr<TransferMemory> transfer_memory{ |
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std::make_shared<TransferMemory>(kernel, memory)}; |
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transfer_memory->base_address = base_address; |
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transfer_memory->size = size; |
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transfer_memory->owner_permissions = permissions; |
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transfer_memory->owner_process = kernel.CurrentProcess(); |
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return transfer_memory; |
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} |
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u8* TransferMemory::GetPointer() { |
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return memory.GetPointer(base_address); |
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} |
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const u8* TransferMemory::GetPointer() const { |
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return memory.GetPointer(base_address); |
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} |
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ResultCode TransferMemory::Reserve() { |
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return owner_process->PageTable().ReserveTransferMemory(base_address, size, owner_permissions); |
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} |
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ResultCode TransferMemory::Reset() { |
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return owner_process->PageTable().ResetTransferMemory(base_address, size); |
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} |
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} // namespace Kernel
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// Copyright 2019 yuzu emulator team |
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// Licensed under GPLv2 or any later version |
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// Refer to the license.txt file included. |
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#pragma once |
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#include <memory> |
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#include "core/hle/kernel/k_memory_block.h" |
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#include "core/hle/kernel/object.h" |
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#include "core/hle/kernel/physical_memory.h" |
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union ResultCode; |
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namespace Core::Memory { |
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class Memory; |
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} |
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namespace Kernel { |
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class KernelCore; |
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class Process; |
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/// Defines the interface for transfer memory objects. |
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/// |
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/// Transfer memory is typically used for the purpose of |
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/// transferring memory between separate process instances, |
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/// thus the name. |
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/// |
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class TransferMemory final : public Object { |
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public: |
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explicit TransferMemory(KernelCore& kernel, Core::Memory::Memory& memory); |
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~TransferMemory() override; |
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static constexpr HandleType HANDLE_TYPE = HandleType::TransferMemory; |
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static std::shared_ptr<TransferMemory> Create(KernelCore& kernel, Core::Memory::Memory& memory, |
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VAddr base_address, std::size_t size, |
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KMemoryPermission permissions); |
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TransferMemory(const TransferMemory&) = delete; |
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TransferMemory& operator=(const TransferMemory&) = delete; |
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TransferMemory(TransferMemory&&) = delete; |
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TransferMemory& operator=(TransferMemory&&) = delete; |
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std::string GetTypeName() const override { |
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return "TransferMemory"; |
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} |
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std::string GetName() const override { |
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return GetTypeName(); |
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} |
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HandleType GetHandleType() const override { |
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return HANDLE_TYPE; |
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} |
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/// Gets a pointer to the backing block of this instance. |
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u8* GetPointer(); |
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/// Gets a pointer to the backing block of this instance. |
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const u8* GetPointer() const; |
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/// Gets the size of the memory backing this instance in bytes. |
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constexpr std::size_t GetSize() const { |
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return size; |
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} |
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/// Reserves the region to be used for the transfer memory, called after the transfer memory is |
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/// created. |
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ResultCode Reserve(); |
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/// Resets the region previously used for the transfer memory, called after the transfer memory |
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/// is closed. |
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ResultCode Reset(); |
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void Finalize() override {} |
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private: |
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/// The base address for the memory managed by this instance. |
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VAddr base_address{}; |
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/// Size of the memory, in bytes, that this instance manages. |
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std::size_t size{}; |
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/// The memory permissions that are applied to this instance. |
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KMemoryPermission owner_permissions{}; |
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/// The process that this transfer memory instance was created under. |
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Process* owner_process{}; |
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Core::Memory::Memory& memory; |
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}; |
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} // namespace Kernel |
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