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kern: implement SvcWaitSynchronization

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This commit is contained in:
Michael Scire 2020-07-09 17:21:47 -07:00
parent 16c9c53a4a
commit f52232f0f2
10 changed files with 211 additions and 59 deletions
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22
libraries/libmesosphere/include/mesosphere/kern_k_thread.hpp
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@ -113,8 +113,8 @@ namespace ams::kern {
private:
static constexpr size_t PriorityInheritanceCountMax = 10;
union SyncObjectBuffer {
KSynchronizationObject *sync_objects[ams::svc::MaxWaitSynchronizationHandleCount];
ams::svc::Handle handles[ams::svc::MaxWaitSynchronizationHandleCount * (sizeof(KSynchronizationObject *) / sizeof(ams::svc::Handle))];
KSynchronizationObject *sync_objects[ams::svc::ArgumentHandleCountMax];
ams::svc::Handle handles[ams::svc::ArgumentHandleCountMax * (sizeof(KSynchronizationObject *) / sizeof(ams::svc::Handle))];
constexpr SyncObjectBuffer() : sync_objects() { /* ... */ }
};
@ -310,10 +310,25 @@ namespace ams::kern {
constexpr KThread *GetLockOwner() const { return this->lock_owner; }
constexpr void SetSyncedObject(KSynchronizationObject *obj, Result wait_res) {
MESOSPHERE_ASSERT_THIS();
this->synced_object = obj;
this->wait_result = wait_res;
}
constexpr Result GetWaitResult(KSynchronizationObject **out) const {
MESOSPHERE_ASSERT_THIS();
*out = this->synced_object;
return this->wait_result;
}
bool IsWaitCancelled() const { return this->wait_cancelled; }
void ClearWaitCancelled() { this->wait_cancelled = false; }
void ClearCancellable() { this->cancellable = false; }
void SetCancellable() { this->cancellable = true; }
bool HasWaiters() const { return !this->waiter_list.empty(); }
constexpr s64 GetLastScheduledTick() const { return this->last_scheduled_tick; }
@ -325,6 +340,9 @@ namespace ams::kern {
constexpr KProcessAddress GetThreadLocalRegionAddress() const { return this->tls_address; }
constexpr void *GetThreadLocalRegionHeapAddress() const { return this->tls_heap_address; }
constexpr KSynchronizationObject **GetSynchronizationObjectBuffer() { return std::addressof(this->sync_object_buffer.sync_objects[0]); }
constexpr ams::svc::Handle *GetHandleBuffer() { return std::addressof(this->sync_object_buffer.handles[sizeof(this->sync_object_buffer.sync_objects) / sizeof(ams::svc::Handle) - ams::svc::ArgumentHandleCountMax]); }
constexpr u16 GetUserPreemptionState() const { return *GetPointer<u16>(this->tls_address + 0x100); }
constexpr void SetKernelPreemptionState(u16 state) const { *GetPointer<u16>(this->tls_address + 0x100 + sizeof(u16)) = state; }