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Kernel/Arbiters: Add stubs for 4.x SignalToAddress/WaitForAddres SVCs.

This commit is contained in:
Michael Scire 2018-06-21 00:49:43 -06:00
parent c3e95086b6
commit 7e191dccc1
7 changed files with 147 additions and 9 deletions

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@ -0,0 +1,46 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/thread.h"
#include "core/memory.h"
namespace Kernel {
namespace AddressArbiter {
// Signals an address being waited on.
ResultCode SignalToAddress(VAddr address, s32 value, s32 num_to_wake) {
// TODO
return RESULT_SUCCESS;
}
// 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) {
// TODO
return RESULT_SUCCESS;
}
// 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) {
// TODO
return RESULT_SUCCESS;
}
// 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) {
// TODO
return RESULT_SUCCESS;
}
// Waits on an address if the value passed is equal to the argument value.
ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout) {
// TODO
return RESULT_SUCCESS;
}
} // namespace AddressArbiter
} // namespace Kernel

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@ -0,0 +1,32 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/result.h"
namespace Kernel {
namespace AddressArbiter {
enum class ArbitrationType {
WaitIfLessThan = 0,
DecrementAndWaitIfLessThan = 1,
WaitIfEqual = 2,
};
enum class SignalType {
Signal = 0,
IncrementAndSignalIfEqual = 1,
ModifyByWaitingCountAndSignalIfEqual = 2,
};
ResultCode SignalToAddress(VAddr address, s32 value, s32 num_to_wake);
ResultCode IncrementAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake);
ResultCode ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value, s32 num_to_wake);
ResultCode WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout, bool should_decrement);
ResultCode WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout);
} // namespace AddressArbiter
} // namespace Kernel

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@ -20,13 +20,15 @@ enum {
MaxConnectionsReached = 52,
// Confirmed Switch OS error codes
MisalignedAddress = 102,
InvalidAddress = 102,
InvalidMemoryState = 106,
InvalidProcessorId = 113,
InvalidHandle = 114,
InvalidCombination = 116,
Timeout = 117,
SynchronizationCanceled = 118,
TooLarge = 119,
InvalidEnumValue = 120,
};
}
@ -39,13 +41,13 @@ constexpr ResultCode ERR_SESSION_CLOSED_BY_REMOTE(-1);
constexpr ResultCode ERR_PORT_NAME_TOO_LONG(-1);
constexpr ResultCode ERR_WRONG_PERMISSION(-1);
constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED(-1);
constexpr ResultCode ERR_INVALID_ENUM_VALUE(-1);
constexpr ResultCode ERR_INVALID_ENUM_VALUE(ErrorModule::Kernel, ErrCodes::InvalidEnumValue);
constexpr ResultCode ERR_INVALID_ENUM_VALUE_FND(-1);
constexpr ResultCode ERR_INVALID_COMBINATION(-1);
constexpr ResultCode ERR_INVALID_COMBINATION_KERNEL(-1);
constexpr ResultCode ERR_OUT_OF_MEMORY(-1);
constexpr ResultCode ERR_INVALID_ADDRESS(-1);
constexpr ResultCode ERR_INVALID_ADDRESS_STATE(-1);
constexpr ResultCode ERR_INVALID_ADDRESS(ErrorModule::Kernel, ErrCodes::InvalidAddress);
constexpr ResultCode ERR_INVALID_ADDRESS_STATE(ErrorModule::Kernel, ErrCodes::InvalidMemoryState);
constexpr ResultCode ERR_INVALID_HANDLE(ErrorModule::Kernel, ErrCodes::InvalidHandle);
constexpr ResultCode ERR_INVALID_POINTER(-1);
constexpr ResultCode ERR_INVALID_OBJECT_ADDR(-1);

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@ -59,7 +59,7 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
Handle requesting_thread_handle) {
// The mutex address must be 4-byte aligned
if ((address % sizeof(u32)) != 0) {
return ResultCode(ErrorModule::Kernel, ErrCodes::MisalignedAddress);
return ResultCode(ErrorModule::Kernel, ErrCodes::InvalidAddress);
}
SharedPtr<Thread> holding_thread = g_handle_table.Get<Thread>(holding_thread_handle);
@ -97,7 +97,7 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
ResultCode Mutex::Release(VAddr address) {
// The mutex address must be 4-byte aligned
if ((address % sizeof(u32)) != 0) {
return ResultCode(ErrorModule::Kernel, ErrCodes::MisalignedAddress);
return ResultCode(ErrorModule::Kernel, ErrCodes::InvalidAddress);
}
auto [thread, num_waiters] = GetHighestPriorityMutexWaitingThread(GetCurrentThread(), address);

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@ -11,6 +11,7 @@
#include "common/string_util.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/address_arbiter.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/event.h"
@ -580,7 +581,7 @@ static void SleepThread(s64 nanoseconds) {
Core::System::GetInstance().PrepareReschedule();
}
/// Signal process wide key atomic
/// Wait process wide key atomic
static ResultCode WaitProcessWideKeyAtomic(VAddr mutex_addr, VAddr condition_variable_addr,
Handle thread_handle, s64 nano_seconds) {
NGLOG_TRACE(
@ -689,6 +690,52 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
return RESULT_SUCCESS;
}
// Wait for an address (via Address Arbiter)
static ResultCode WaitForAddress(VAddr address, u32 type, s32 value, s64 timeout) {
// If the passed address is a kernel virtual address, return invalid memory state.
if ((address + 0x8000000000LL) < 0x7FFFE00000LL) {
return ERR_INVALID_ADDRESS_STATE;
}
// If the address is not properly aligned to 4 bytes, return invalid address.
if (address % sizeof(u32) != 0) {
return ERR_INVALID_ADDRESS;
}
switch ((AddressArbiter::ArbitrationType)type) {
case AddressArbiter::ArbitrationType::WaitIfLessThan:
return AddressArbiter::WaitForAddressIfLessThan(address, value, timeout, false);
case AddressArbiter::ArbitrationType::DecrementAndWaitIfLessThan:
return AddressArbiter::WaitForAddressIfLessThan(address, value, timeout, true);
case AddressArbiter::ArbitrationType::WaitIfEqual:
return AddressArbiter::WaitForAddressIfEqual(address, value, timeout);
default:
return ERR_INVALID_ENUM_VALUE;
}
}
// Signals to an address (via Address Arbiter)
static ResultCode SignalToAddress(VAddr address, u32 type, s32 value, s32 num_to_wake) {
// If the passed address is a kernel virtual address, return invalid memory state.
if ((address + 0x8000000000LL) < 0x7FFFE00000LL) {
return ERR_INVALID_ADDRESS_STATE;
}
// If the address is not properly aligned to 4 bytes, return invalid address.
if (address % sizeof(u32) != 0) {
return ERR_INVALID_ADDRESS;
}
switch ((AddressArbiter::SignalType)type) {
case AddressArbiter::SignalType::Signal:
return AddressArbiter::SignalToAddress(address, value, num_to_wake);
case AddressArbiter::SignalType::IncrementAndSignalIfEqual:
return AddressArbiter::IncrementAndSignalToAddressIfEqual(address, value, num_to_wake);
case AddressArbiter::SignalType::ModifyByWaitingCountAndSignalIfEqual:
return AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(address, value, num_to_wake);
default:
return ERR_INVALID_ENUM_VALUE;
}
}
/// This returns the total CPU ticks elapsed since the CPU was powered-on
static u64 GetSystemTick() {
const u64 result{CoreTiming::GetTicks()};
@ -861,8 +908,8 @@ static const FunctionDef SVC_Table[] = {
{0x31, nullptr, "GetResourceLimitCurrentValue"},
{0x32, SvcWrap<SetThreadActivity>, "SetThreadActivity"},
{0x33, SvcWrap<GetThreadContext>, "GetThreadContext"},
{0x34, nullptr, "WaitForAddress"},
{0x35, nullptr, "SignalToAddress"},
{0x34, SvcWrap<WaitForAddress>, "WaitForAddress"},
{0x35, SvcWrap<SignalToAddress>, "SignalToAddress"},
{0x36, nullptr, "Unknown"},
{0x37, nullptr, "Unknown"},
{0x38, nullptr, "Unknown"},

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@ -179,6 +179,16 @@ void SvcWrap() {
FuncReturn(retval);
}
template <ResultCode func(u64, u32, s32, s64)>
void SvcWrap() {
FuncReturn(func(PARAM(0), (u32)(PARAM(1) & 0xFFFFFFFF), (s32)(PARAM(2) & 0xFFFFFFFF), (s64)PARAM(3)).raw);
}
template <ResultCode func(u64, u32, s32, s32)>
void SvcWrap() {
FuncReturn(func(PARAM(0), (u32)(PARAM(1) & 0xFFFFFFFF), (s32)(PARAM(2) & 0xFFFFFFFF), (s32)(PARAM(3) & 0xFFFFFFFF)).raw);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Function wrappers that return type u32

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@ -45,6 +45,7 @@ enum ThreadStatus {
THREADSTATUS_WAIT_SYNCH_ANY, ///< Waiting due to WaitSynch1 or WaitSynchN with wait_all = false
THREADSTATUS_WAIT_SYNCH_ALL, ///< Waiting due to WaitSynchronizationN with wait_all = true
THREADSTATUS_WAIT_MUTEX, ///< Waiting due to an ArbitrateLock/WaitProcessWideKey svc
THREADSTATUS_WAIT_ARB, ///< Waiting due to a SignalToAddress/WaitForAddress svc
THREADSTATUS_DORMANT, ///< Created but not yet made ready
THREADSTATUS_DEAD ///< Run to completion, or forcefully terminated
};