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Diffstat (limited to 'src/core/hle/kernel/k_address_arbiter.cpp')
-rw-r--r--src/core/hle/kernel/k_address_arbiter.cpp111
1 files changed, 51 insertions, 60 deletions
diff --git a/src/core/hle/kernel/k_address_arbiter.cpp b/src/core/hle/kernel/k_address_arbiter.cpp
index a4c16eca9..47637a729 100644
--- a/src/core/hle/kernel/k_address_arbiter.cpp
+++ b/src/core/hle/kernel/k_address_arbiter.cpp
@@ -14,8 +14,8 @@
namespace Kernel {
-KAddressArbiter::KAddressArbiter(Core::System& system_)
- : system{system_}, kernel{system.Kernel()} {}
+KAddressArbiter::KAddressArbiter(Core::System& system)
+ : m_system{system}, m_kernel{system.Kernel()} {}
KAddressArbiter::~KAddressArbiter() = default;
namespace {
@@ -90,8 +90,8 @@ bool UpdateIfEqual(Core::System& system, s32* out, VAddr address, s32 value, s32
class ThreadQueueImplForKAddressArbiter final : public KThreadQueue {
public:
- explicit ThreadQueueImplForKAddressArbiter(KernelCore& kernel_, KAddressArbiter::ThreadTree* t)
- : KThreadQueue(kernel_), m_tree(t) {}
+ explicit ThreadQueueImplForKAddressArbiter(KernelCore& kernel, KAddressArbiter::ThreadTree* t)
+ : KThreadQueue(kernel), m_tree(t) {}
void CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) override {
// If the thread is waiting on an address arbiter, remove it from the tree.
@@ -105,7 +105,7 @@ public:
}
private:
- KAddressArbiter::ThreadTree* m_tree;
+ KAddressArbiter::ThreadTree* m_tree{};
};
} // namespace
@@ -114,10 +114,10 @@ Result KAddressArbiter::Signal(VAddr addr, s32 count) {
// Perform signaling.
s32 num_waiters{};
{
- KScopedSchedulerLock sl(kernel);
+ KScopedSchedulerLock sl(m_kernel);
- auto it = thread_tree.nfind_key({addr, -1});
- while ((it != thread_tree.end()) && (count <= 0 || num_waiters < count) &&
+ auto it = m_tree.nfind_key({addr, -1});
+ while ((it != m_tree.end()) && (count <= 0 || num_waiters < count) &&
(it->GetAddressArbiterKey() == addr)) {
// End the thread's wait.
KThread* target_thread = std::addressof(*it);
@@ -126,31 +126,27 @@ Result KAddressArbiter::Signal(VAddr addr, s32 count) {
ASSERT(target_thread->IsWaitingForAddressArbiter());
target_thread->ClearAddressArbiter();
- it = thread_tree.erase(it);
+ it = m_tree.erase(it);
++num_waiters;
}
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KAddressArbiter::SignalAndIncrementIfEqual(VAddr addr, s32 value, s32 count) {
// Perform signaling.
s32 num_waiters{};
{
- KScopedSchedulerLock sl(kernel);
+ KScopedSchedulerLock sl(m_kernel);
// Check the userspace value.
s32 user_value{};
- if (!UpdateIfEqual(system, &user_value, addr, value, value + 1)) {
- LOG_ERROR(Kernel, "Invalid current memory!");
- return ResultInvalidCurrentMemory;
- }
- if (user_value != value) {
- return ResultInvalidState;
- }
+ R_UNLESS(UpdateIfEqual(m_system, &user_value, addr, value, value + 1),
+ ResultInvalidCurrentMemory);
+ R_UNLESS(user_value == value, ResultInvalidState);
- auto it = thread_tree.nfind_key({addr, -1});
- while ((it != thread_tree.end()) && (count <= 0 || num_waiters < count) &&
+ auto it = m_tree.nfind_key({addr, -1});
+ while ((it != m_tree.end()) && (count <= 0 || num_waiters < count) &&
(it->GetAddressArbiterKey() == addr)) {
// End the thread's wait.
KThread* target_thread = std::addressof(*it);
@@ -159,33 +155,33 @@ Result KAddressArbiter::SignalAndIncrementIfEqual(VAddr addr, s32 value, s32 cou
ASSERT(target_thread->IsWaitingForAddressArbiter());
target_thread->ClearAddressArbiter();
- it = thread_tree.erase(it);
+ it = m_tree.erase(it);
++num_waiters;
}
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KAddressArbiter::SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32 value, s32 count) {
// Perform signaling.
s32 num_waiters{};
{
- [[maybe_unused]] const KScopedSchedulerLock sl(kernel);
+ KScopedSchedulerLock sl(m_kernel);
- auto it = thread_tree.nfind_key({addr, -1});
+ auto it = m_tree.nfind_key({addr, -1});
// Determine the updated value.
s32 new_value{};
if (count <= 0) {
- if (it != thread_tree.end() && it->GetAddressArbiterKey() == addr) {
+ if (it != m_tree.end() && it->GetAddressArbiterKey() == addr) {
new_value = value - 2;
} else {
new_value = value + 1;
}
} else {
- if (it != thread_tree.end() && it->GetAddressArbiterKey() == addr) {
+ if (it != m_tree.end() && it->GetAddressArbiterKey() == addr) {
auto tmp_it = it;
s32 tmp_num_waiters{};
- while (++tmp_it != thread_tree.end() && tmp_it->GetAddressArbiterKey() == addr) {
+ while (++tmp_it != m_tree.end() && tmp_it->GetAddressArbiterKey() == addr) {
if (tmp_num_waiters++ >= count) {
break;
}
@@ -205,20 +201,15 @@ Result KAddressArbiter::SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32 val
s32 user_value{};
bool succeeded{};
if (value != new_value) {
- succeeded = UpdateIfEqual(system, &user_value, addr, value, new_value);
+ succeeded = UpdateIfEqual(m_system, &user_value, addr, value, new_value);
} else {
- succeeded = ReadFromUser(system, &user_value, addr);
+ succeeded = ReadFromUser(m_system, &user_value, addr);
}
- if (!succeeded) {
- LOG_ERROR(Kernel, "Invalid current memory!");
- return ResultInvalidCurrentMemory;
- }
- if (user_value != value) {
- return ResultInvalidState;
- }
+ R_UNLESS(succeeded, ResultInvalidCurrentMemory);
+ R_UNLESS(user_value == value, ResultInvalidState);
- while ((it != thread_tree.end()) && (count <= 0 || num_waiters < count) &&
+ while ((it != m_tree.end()) && (count <= 0 || num_waiters < count) &&
(it->GetAddressArbiterKey() == addr)) {
// End the thread's wait.
KThread* target_thread = std::addressof(*it);
@@ -227,57 +218,57 @@ Result KAddressArbiter::SignalAndModifyByWaitingCountIfEqual(VAddr addr, s32 val
ASSERT(target_thread->IsWaitingForAddressArbiter());
target_thread->ClearAddressArbiter();
- it = thread_tree.erase(it);
+ it = m_tree.erase(it);
++num_waiters;
}
}
- return ResultSuccess;
+ R_SUCCEED();
}
Result KAddressArbiter::WaitIfLessThan(VAddr addr, s32 value, bool decrement, s64 timeout) {
// Prepare to wait.
- KThread* cur_thread = GetCurrentThreadPointer(kernel);
+ KThread* cur_thread = GetCurrentThreadPointer(m_kernel);
KHardwareTimer* timer{};
- ThreadQueueImplForKAddressArbiter wait_queue(kernel, std::addressof(thread_tree));
+ ThreadQueueImplForKAddressArbiter wait_queue(m_kernel, std::addressof(m_tree));
{
- KScopedSchedulerLockAndSleep slp{kernel, std::addressof(timer), cur_thread, timeout};
+ KScopedSchedulerLockAndSleep slp{m_kernel, std::addressof(timer), cur_thread, timeout};
// Check that the thread isn't terminating.
if (cur_thread->IsTerminationRequested()) {
slp.CancelSleep();
- return ResultTerminationRequested;
+ R_THROW(ResultTerminationRequested);
}
// Read the value from userspace.
s32 user_value{};
bool succeeded{};
if (decrement) {
- succeeded = DecrementIfLessThan(system, &user_value, addr, value);
+ succeeded = DecrementIfLessThan(m_system, &user_value, addr, value);
} else {
- succeeded = ReadFromUser(system, &user_value, addr);
+ succeeded = ReadFromUser(m_system, &user_value, addr);
}
if (!succeeded) {
slp.CancelSleep();
- return ResultInvalidCurrentMemory;
+ R_THROW(ResultInvalidCurrentMemory);
}
// Check that the value is less than the specified one.
if (user_value >= value) {
slp.CancelSleep();
- return ResultInvalidState;
+ R_THROW(ResultInvalidState);
}
// Check that the timeout is non-zero.
if (timeout == 0) {
slp.CancelSleep();
- return ResultTimedOut;
+ R_THROW(ResultTimedOut);
}
// Set the arbiter.
- cur_thread->SetAddressArbiter(&thread_tree, addr);
- thread_tree.insert(*cur_thread);
+ cur_thread->SetAddressArbiter(std::addressof(m_tree), addr);
+ m_tree.insert(*cur_thread);
// Wait for the thread to finish.
wait_queue.SetHardwareTimer(timer);
@@ -291,41 +282,41 @@ Result KAddressArbiter::WaitIfLessThan(VAddr addr, s32 value, bool decrement, s6
Result KAddressArbiter::WaitIfEqual(VAddr addr, s32 value, s64 timeout) {
// Prepare to wait.
- KThread* cur_thread = GetCurrentThreadPointer(kernel);
+ KThread* cur_thread = GetCurrentThreadPointer(m_kernel);
KHardwareTimer* timer{};
- ThreadQueueImplForKAddressArbiter wait_queue(kernel, std::addressof(thread_tree));
+ ThreadQueueImplForKAddressArbiter wait_queue(m_kernel, std::addressof(m_tree));
{
- KScopedSchedulerLockAndSleep slp{kernel, std::addressof(timer), cur_thread, timeout};
+ KScopedSchedulerLockAndSleep slp{m_kernel, std::addressof(timer), cur_thread, timeout};
// Check that the thread isn't terminating.
if (cur_thread->IsTerminationRequested()) {
slp.CancelSleep();
- return ResultTerminationRequested;
+ R_THROW(ResultTerminationRequested);
}
// Read the value from userspace.
s32 user_value{};
- if (!ReadFromUser(system, &user_value, addr)) {
+ if (!ReadFromUser(m_system, &user_value, addr)) {
slp.CancelSleep();
- return ResultInvalidCurrentMemory;
+ R_THROW(ResultInvalidCurrentMemory);
}
// Check that the value is equal.
if (value != user_value) {
slp.CancelSleep();
- return ResultInvalidState;
+ R_THROW(ResultInvalidState);
}
// Check that the timeout is non-zero.
if (timeout == 0) {
slp.CancelSleep();
- return ResultTimedOut;
+ R_THROW(ResultTimedOut);
}
// Set the arbiter.
- cur_thread->SetAddressArbiter(&thread_tree, addr);
- thread_tree.insert(*cur_thread);
+ cur_thread->SetAddressArbiter(std::addressof(m_tree), addr);
+ m_tree.insert(*cur_thread);
// Wait for the thread to finish.
wait_queue.SetHardwareTimer(timer);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 20:26:11 +0200