forked from suyu/suyu
7ff92c36ed
- Also added some safety checks to MapSharedMemory.
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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#include "core/hle/kernel/kernel.h"
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namespace Kernel {
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/// Permissions for mapped shared memory blocks
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enum class MemoryPermission : u32 {
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None = 0,
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Read = (1u << 0),
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Write = (1u << 1),
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ReadWrite = (Read | Write),
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DontCare = (1u << 28)
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};
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/**
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* Creates a shared memory object
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* @param name Optional name of shared memory object
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* @return Handle of newly created shared memory object
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*/
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Handle CreateSharedMemory(const std::string& name="Unknown");
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/**
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* Maps a shared memory block to an address in system memory
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* @param handle Shared memory block handle
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* @param address Address in system memory to map shared memory block to
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* @param permissions Memory block map permissions (specified by SVC field)
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* @param other_permissions Memory block map other permissions (specified by SVC field)
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* @return Result of operation, 0 on success, otherwise error code
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*/
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Result MapSharedMemory(u32 handle, u32 address, MemoryPermission permissions,
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MemoryPermission other_permissions);
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/**
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* Gets a pointer to the shared memory block
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* @param handle Shared memory block handle
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* @param offset Offset from the start of the shared memory block to get pointer
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* @return Pointer to the shared memory block from the specified offset
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*/
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u8* GetSharedMemoryPointer(Handle handle, u32 offset);
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} // namespace
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