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Merge pull request #8040 from Morph1984/handle-table 

KHandleTable: Optimize table entry layout
This commit is contained in:
bunnei 2022-03-19 23:17:37 -07:00 committed by GitHub
parent 474318ee37 8b7d571b66
commit 5960d54722
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 30 deletions
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8
src/core/hle/kernel/k_handle_table.cpp
View File

@ -63,7 +63,7 @@ bool KHandleTable::Remove(Handle handle) {
return true; return true;
} }
ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj, u16 type) { ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj) {
KScopedDisableDispatch dd(kernel); KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock); KScopedSpinLock lk(m_lock);
@ -75,7 +75,7 @@ ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj, u16 type) {
const auto linear_id = this->AllocateLinearId(); const auto linear_id = this->AllocateLinearId();
const auto index = this->AllocateEntry(); const auto index = this->AllocateEntry();
m_entry_infos[index].info = {.linear_id = linear_id, .type = type}; m_entry_infos[index].linear_id = linear_id;
m_objects[index] = obj; m_objects[index] = obj;
obj->Open(); obj->Open();
@ -116,7 +116,7 @@ void KHandleTable::Unreserve(Handle handle) {
} }
} }
void KHandleTable::Register(Handle handle, KAutoObject* obj, u16 type) { void KHandleTable::Register(Handle handle, KAutoObject* obj) {
KScopedDisableDispatch dd(kernel); KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock); KScopedSpinLock lk(m_lock);
@ -132,7 +132,7 @@ void KHandleTable::Register(Handle handle, KAutoObject* obj, u16 type) {
// Set the entry. // Set the entry.
ASSERT(m_objects[index] == nullptr); ASSERT(m_objects[index] == nullptr);
m_entry_infos[index].info = {.linear_id = static_cast<u16>(linear_id), .type = type}; m_entry_infos[index].linear_id = static_cast<u16>(linear_id);
m_objects[index] = obj; m_objects[index] = obj;
obj->Open(); obj->Open();

34
src/core/hle/kernel/k_handle_table.h
View File

@ -42,7 +42,7 @@ public:
m_free_head_index = -1; m_free_head_index = -1;
// Free all entries. // Free all entries.
for (s32 i = 0; i < static_cast<s32>(m_table_size); ++i) { for (s16 i = 0; i < static_cast<s16>(m_table_size); ++i) {
m_objects[i] = nullptr; m_objects[i] = nullptr;
m_entry_infos[i].next_free_index = i - 1; m_entry_infos[i].next_free_index = i - 1;
m_free_head_index = i; m_free_head_index = i;
@ -104,17 +104,8 @@ public:
ResultCode Reserve(Handle* out_handle); ResultCode Reserve(Handle* out_handle);
void Unreserve(Handle handle); void Unreserve(Handle handle);
template <typename T> ResultCode Add(Handle* out_handle, KAutoObject* obj);
ResultCode Add(Handle* out_handle, T* obj) { void Register(Handle handle, KAutoObject* obj);
static_assert(std::is_base_of_v<KAutoObject, T>);
return this->Add(out_handle, obj, obj->GetTypeObj().GetClassToken());
}
template <typename T>
void Register(Handle handle, T* obj) {
static_assert(std::is_base_of_v<KAutoObject, T>);
return this->Register(handle, obj, obj->GetTypeObj().GetClassToken());
}
template <typename T> template <typename T>
bool GetMultipleObjects(T** out, const Handle* handles, size_t num_handles) const { bool GetMultipleObjects(T** out, const Handle* handles, size_t num_handles) const {
@ -160,9 +151,6 @@ public:
} }
private: private:
ResultCode Add(Handle* out_handle, KAutoObject* obj, u16 type);
void Register(Handle handle, KAutoObject* obj, u16 type);
s32 AllocateEntry() { s32 AllocateEntry() {
ASSERT(m_count < m_table_size); ASSERT(m_count < m_table_size);
@ -179,7 +167,7 @@ private:
ASSERT(m_count > 0); ASSERT(m_count > 0);
m_objects[index] = nullptr; m_objects[index] = nullptr;
m_entry_infos[index].next_free_index = m_free_head_index; m_entry_infos[index].next_free_index = static_cast<s16>(m_free_head_index);
m_free_head_index = index; m_free_head_index = index;
@ -278,19 +266,13 @@ private:
} }
union EntryInfo { union EntryInfo {
struct { u16 linear_id;
u16 linear_id; s16 next_free_index;
u16 type;
} info;
s32 next_free_index;
constexpr u16 GetLinearId() const { constexpr u16 GetLinearId() const {
return info.linear_id; return linear_id;
} }
constexpr u16 GetType() const { constexpr s16 GetNextFreeIndex() const {
return info.type;
}
constexpr s32 GetNextFreeIndex() const {
return next_free_index; return next_free_index;
} }
}; };