mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-07-04 23:31:19 +01:00
Core/Memory: Add TLS support for creating up to 300 threads
This commit is contained in:
parent
820b97787c
commit
dda94e56dd
4 changed files with 23 additions and 9 deletions
|
@ -74,6 +74,9 @@ public:
|
|||
/// The id of this process
|
||||
u32 process_id = next_process_id++;
|
||||
|
||||
/// Bitmask of the used TLS slots
|
||||
std::bitset<300> used_tls_slots;
|
||||
|
||||
/**
|
||||
* Parses a list of kernel capability descriptors (as found in the ExHeader) and applies them
|
||||
* to this process.
|
||||
|
|
|
@ -107,6 +107,8 @@ void Thread::Stop() {
|
|||
for (auto& wait_object : wait_objects) {
|
||||
wait_object->RemoveWaitingThread(this);
|
||||
}
|
||||
|
||||
Kernel::g_current_process->used_tls_slots[tls_index] = false;
|
||||
}
|
||||
|
||||
Thread* ArbitrateHighestPriorityThread(u32 address) {
|
||||
|
@ -404,12 +406,19 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
|
|||
thread->name = std::move(name);
|
||||
thread->callback_handle = wakeup_callback_handle_table.Create(thread).MoveFrom();
|
||||
thread->owner_process = g_current_process;
|
||||
thread->tls_index = -1;
|
||||
|
||||
VAddr tls_address = Memory::TLS_AREA_VADDR + (thread->thread_id - 1) * 0x200;
|
||||
// Find the next available TLS index, and mark it as used
|
||||
auto& used_tls_slots = Kernel::g_current_process->used_tls_slots;
|
||||
for (unsigned int i = 0; i < used_tls_slots.size(); ++i) {
|
||||
if (used_tls_slots[i] == false) {
|
||||
thread->tls_index = i;
|
||||
used_tls_slots[i] = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
ASSERT_MSG(tls_address < Memory::TLS_AREA_VADDR_END, "Too many threads");
|
||||
|
||||
thread->tls_address = tls_address;
|
||||
ASSERT_MSG(thread->tls_index != -1, "Out of TLS space");
|
||||
|
||||
// TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
|
||||
// to initialize the context
|
||||
|
@ -505,7 +514,7 @@ void Thread::SetWaitSynchronizationOutput(s32 output) {
|
|||
}
|
||||
|
||||
VAddr Thread::GetTLSAddress() const {
|
||||
return tls_address;
|
||||
return Memory::TLS_AREA_VADDR + tls_index * 0x200;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
|
|
@ -157,7 +157,7 @@ public:
|
|||
|
||||
s32 processor_id;
|
||||
|
||||
VAddr tls_address; ///< Address of the Thread Local Storage of the thread
|
||||
s32 tls_index; ///< Index of the Thread Local Storage of the thread
|
||||
|
||||
/// Mutexes currently held by this thread, which will be released when it exits.
|
||||
boost::container::flat_set<SharedPtr<Mutex>> held_mutexes;
|
||||
|
|
|
@ -94,10 +94,12 @@ enum : VAddr {
|
|||
SHARED_PAGE_SIZE = 0x00001000,
|
||||
SHARED_PAGE_VADDR_END = SHARED_PAGE_VADDR + SHARED_PAGE_SIZE,
|
||||
|
||||
// TODO(yuriks): The exact location and size of this area is uncomfirmed.
|
||||
// TODO(yuriks): The size of this area is dynamic, the kernel grows
|
||||
// it as more and more threads are created. For now we'll just use a
|
||||
// hardcoded value.
|
||||
/// Area where TLS (Thread-Local Storage) buffers are allocated.
|
||||
TLS_AREA_VADDR = 0x1FFA0000,
|
||||
TLS_AREA_SIZE = 0x00002000, // Each TLS buffer is 0x200 bytes, allows for 16 threads
|
||||
TLS_AREA_VADDR = 0x1FF82000,
|
||||
TLS_AREA_SIZE = 0x00030000, // Each TLS buffer is 0x200 bytes, allows for 300 threads
|
||||
TLS_AREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE,
|
||||
};
|
||||
|
||||
|
|
Loading…
Reference in a new issue