diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/address_arbiter.h | 68 |
1 files changed, 51 insertions, 17 deletions
diff --git a/src/core/hle/kernel/address_arbiter.h b/src/core/hle/kernel/address_arbiter.h index b58f21bec..6f46190f6 100644 --- a/src/core/hle/kernel/address_arbiter.h +++ b/src/core/hle/kernel/address_arbiter.h @@ -5,28 +5,62 @@ #pragma once #include "common/common_types.h" +#include "core/hle/kernel/address_arbiter.h" union ResultCode; -namespace Kernel::AddressArbiter { +namespace Kernel { -enum class ArbitrationType { - WaitIfLessThan = 0, - DecrementAndWaitIfLessThan = 1, - WaitIfEqual = 2, -}; +class Thread; -enum class SignalType { - Signal = 0, - IncrementAndSignalIfEqual = 1, - ModifyByWaitingCountAndSignalIfEqual = 2, -}; +class AddressArbiter { +public: + enum class ArbitrationType { + WaitIfLessThan = 0, + DecrementAndWaitIfLessThan = 1, + WaitIfEqual = 2, + }; + + enum class SignalType { + Signal = 0, + IncrementAndSignalIfEqual = 1, + ModifyByWaitingCountAndSignalIfEqual = 2, + }; + + AddressArbiter(); + ~AddressArbiter(); + + AddressArbiter(const AddressArbiter&) = delete; + AddressArbiter& operator=(const AddressArbiter&) = delete; + + AddressArbiter(AddressArbiter&&) = default; + AddressArbiter& operator=(AddressArbiter&&) = delete; -ResultCode SignalToAddress(VAddr address, s32 num_to_wake); -ResultCode IncrementAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake); -ResultCode ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake); + /// Signals an address being waited on. + ResultCode SignalToAddress(VAddr address, s32 num_to_wake); -ResultCode WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, bool should_decrement); -ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout); + /// Signals an address being waited on and increments its value if equal to the value argument. + ResultCode IncrementAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake); + + /// Signals an address being waited on and modifies its value based on waiting thread count if + /// equal to the value argument. + ResultCode ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value, + s32 num_to_wake); + + /// Waits on an address if the value passed is less than the argument value, + /// optionally decrementing. + ResultCode WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, + bool should_decrement); + + /// Waits on an address if the value passed is equal to the argument value. + ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout); + +private: + // Waits on the given address with a timeout in nanoseconds + ResultCode WaitForAddress(VAddr address, s64 timeout); + + // Gets the threads waiting on an address. + std::vector<SharedPtr<Thread>> GetThreadsWaitingOnAddress(VAddr address) const; +}; -} // namespace Kernel::AddressArbiter +} // namespace Kernel |