From 3eb89f3e98b118f7829d3e56f32bcacbe58afc46 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sun, 6 Jul 2014 23:15:40 -0400 Subject: Kernel: Added preliminary support for address arbiters. AddressArbiter: Added documentation comment, fixed whitespace issue. AddressArbiter: Fixed incorrect comment, reordered if-statement to be more clear. SVC: Removed trailing whitespace. --- src/core/hle/kernel/address_arbiter.h | 36 +++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 src/core/hle/kernel/address_arbiter.h (limited to 'src/core/hle/kernel/address_arbiter.h') diff --git a/src/core/hle/kernel/address_arbiter.h b/src/core/hle/kernel/address_arbiter.h new file mode 100644 index 000000000..a483fe466 --- /dev/null +++ b/src/core/hle/kernel/address_arbiter.h @@ -0,0 +1,36 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" + +#include "core/hle/kernel/kernel.h" + +// Address arbiters are an underlying kernel synchronization object that can be created/used via +// supervisor calls (SVCs). They function as sort of a global lock. Typically, games/other CTR +// applications use them as an underlying mechanism to implement thread-safe barriers, events, and +// semphores. + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// Kernel namespace + +namespace Kernel { + +/// Address arbitration types +enum class ArbitrationType : u32 { + Signal, + WaitIfLessThan, + DecrementAndWaitIfLessThan, + WaitIfLessThanWithTimeout, + DecrementAndWaitIfLessThanWithTimeout, +}; + +/// Arbitrate an address +Result ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value); + +/// Create an address arbiter +Handle CreateAddressArbiter(const std::string& name = "Unknown"); + +} // namespace FileSys -- cgit v1.2.3