32 lines
1.1 KiB
C++
32 lines
1.1 KiB
C++
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "core/core.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/hle/kernel/svc.h"
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#include "core/hle/kernel/svc_results.h"
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#include "core/hle/kernel/svc_types.h"
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namespace Kernel::Svc {
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Result FlushProcessDataCache32(Core::System& system, Handle process_handle, u64 address, u64 size) {
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// Validate address/size.
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R_UNLESS(size > 0, ResultInvalidSize);
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R_UNLESS(address == static_cast<uintptr_t>(address), ResultInvalidCurrentMemory);
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R_UNLESS(size == static_cast<size_t>(size), ResultInvalidCurrentMemory);
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// Get the process from its handle.
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KScopedAutoObject process =
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system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KProcess>(process_handle);
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R_UNLESS(process.IsNotNull(), ResultInvalidHandle);
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// Verify the region is within range.
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auto& page_table = process->PageTable();
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R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);
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// Perform the operation.
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R_RETURN(system.Memory().FlushDataCache(*process, address, size));
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}
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} // namespace Kernel::Svc
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