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IPC: store mapped buffer info in session context

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So that it doesn't have to scan over the request buffer again on reply. This also allow us to store additional info like memory mapping
This commit is contained in:
Weiyi Wang 2018-11-08 13:53:20 -05:00
parent 7a564b904b
commit 0b8d2ecabe
4 changed files with 59 additions and 82 deletions
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8
src/core/hle/kernel/svc.cpp
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@ -600,8 +600,9 @@ static ResultCode ReceiveIPCRequest(SharedPtr<ServerSession> server_session,
VAddr target_address = thread->GetCommandBufferAddress();
VAddr source_address = server_session->currently_handling->GetCommandBufferAddress();
ResultCode translation_result = TranslateCommandBuffer(
server_session->currently_handling, thread, source_address, target_address, false);
ResultCode translation_result =
TranslateCommandBuffer(server_session->currently_handling, thread, source_address,
target_address, server_session->mapped_buffer_context, false);
// If a translation error occurred, immediately resume the client thread.
if (translation_result.IsError()) {
@ -667,7 +668,8 @@ ResultCode SVC::ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_co
VAddr target_address = request_thread->GetCommandBufferAddress();
ResultCode translation_result =
TranslateCommandBuffer(thread, request_thread, source_address, target_address, true);
TranslateCommandBuffer(thread, request_thread, source_address, target_address,
session->mapped_buffer_context, true);
// Note: The real kernel seems to always panic if the Server->Client buffer translation
// fails for whatever reason.