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author | Narr the Reg <juangerman-13@hotmail.com> | 2022-11-20 16:31:20 +0100 |
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committer | GitHub <noreply@github.com> | 2022-11-20 16:31:20 +0100 |
commit | db7bcd51ae09c4ef25e08096de563903f61e2380 (patch) | |
tree | 5ae9977b48e1aff118fae3ebffb215b0b4afa887 /src/core/hle/kernel/svc.cpp | |
parent | service: nfc: Implement nfc user (diff) | |
parent | Merge pull request #9238 from german77/cabinet_applet (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 9962ad171..e520cab47 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -2701,14 +2701,24 @@ static Result GetThreadList(Core::System& system, u32* out_num_threads, VAddr ou return ResultSuccess; } -static Result FlushProcessDataCache32([[maybe_unused]] Core::System& system, - [[maybe_unused]] Handle handle, [[maybe_unused]] u32 address, - [[maybe_unused]] u32 size) { - // Note(Blinkhawk): For emulation purposes of the data cache this is mostly a no-op, - // as all emulation is done in the same cache level in host architecture, thus data cache - // does not need flushing. - LOG_DEBUG(Kernel_SVC, "called"); - return ResultSuccess; +static 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 { |