diff options
Diffstat (limited to 'src/core/hle/kernel/svc/svc_cache.cpp')
-rw-r--r-- | src/core/hle/kernel/svc/svc_cache.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/core/hle/kernel/svc/svc_cache.cpp b/src/core/hle/kernel/svc/svc_cache.cpp new file mode 100644 index 000000000..42167d35b --- /dev/null +++ b/src/core/hle/kernel/svc/svc_cache.cpp @@ -0,0 +1,31 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/core.h" +#include "core/hle/kernel/k_process.h" +#include "core/hle/kernel/svc.h" +#include "core/hle/kernel/svc_results.h" +#include "core/hle/kernel/svc_types.h" + +namespace Kernel::Svc { + +Result FlushProcessDataCache32(Core::System& system, Handle process_handle, u64 address, u64 size) { + // Validate address/size. + R_UNLESS(size > 0, ResultInvalidSize); + R_UNLESS(address == static_cast<uintptr_t>(address), ResultInvalidCurrentMemory); + R_UNLESS(size == static_cast<size_t>(size), ResultInvalidCurrentMemory); + + // Get the process from its handle. + KScopedAutoObject process = + system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KProcess>(process_handle); + R_UNLESS(process.IsNotNull(), ResultInvalidHandle); + + // Verify the region is within range. + auto& page_table = process->PageTable(); + R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory); + + // Perform the operation. + R_RETURN(system.Memory().FlushDataCache(*process, address, size)); +} + +} // namespace Kernel::Svc |