forked from suyu/suyu
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
// Copyright 2014 Citra Emulator Project
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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 "common/logging/log.h"
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#include "core/mem_map.h"
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#include "core/hle/kernel/shared_memory.h"
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namespace Kernel {
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SharedMemory::SharedMemory() {}
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SharedMemory::~SharedMemory() {}
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SharedPtr<SharedMemory> SharedMemory::Create(std::string name) {
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SharedPtr<SharedMemory> shared_memory(new SharedMemory);
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shared_memory->name = std::move(name);
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shared_memory->base_address = 0x0;
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return shared_memory;
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}
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ResultCode SharedMemory::Map(VAddr address, MemoryPermission permissions,
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MemoryPermission other_permissions) {
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if (address < Memory::SHARED_MEMORY_VADDR || address >= Memory::SHARED_MEMORY_VADDR_END) {
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LOG_ERROR(Kernel, "cannot map id=%u, address=0x%08X outside of shared mem bounds!",
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GetObjectId(), address);
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// TODO: Verify error code with hardware
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return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
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ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
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}
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this->base_address = address;
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this->permissions = permissions;
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this->other_permissions = other_permissions;
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return RESULT_SUCCESS;
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}
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ResultVal<u8*> SharedMemory::GetPointer(u32 offset) {
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if (base_address != 0)
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return MakeResult<u8*>(Memory::GetPointer(base_address + offset));
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LOG_ERROR(Kernel_SVC, "memory block id=%u not mapped!", GetObjectId());
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// TODO(yuriks): Verify error code.
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return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
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ErrorSummary::InvalidState, ErrorLevel::Permanent);
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}
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} // namespace
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