Memory Manager: ensure safety of GPU to CPU address.
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@ -193,6 +193,9 @@ void MemoryManager::Unmap(GPUVAddr gpu_addr, std::size_t size) {
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}
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std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) const {
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if (gpu_addr >= address_space_size) [[unlikely]] {
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return std::nullopt;
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}
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if (GetEntry<true>(gpu_addr) != EntryType::Mapped) [[unlikely]] {
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if (GetEntry<false>(gpu_addr) != EntryType::Mapped) {
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return std::nullopt;
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