diff options
Diffstat (limited to 'src/core/hle/kernel/thread.cpp')
-rw-r--r-- | src/core/hle/kernel/thread.cpp | 61 |
1 files changed, 4 insertions, 57 deletions
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index c2d7535c9..064ed908d 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -65,10 +65,7 @@ void Thread::Stop() { wait_objects.clear(); // Mark the TLS slot in the thread's page as free. - const u64 tls_page = (tls_address - Memory::TLS_AREA_VADDR) / Memory::PAGE_SIZE; - const u64 tls_slot = - ((tls_address - Memory::TLS_AREA_VADDR) % Memory::PAGE_SIZE) / Memory::TLS_ENTRY_SIZE; - Core::CurrentProcess()->tls_slots[tls_page].reset(tls_slot); + owner_process->FreeTLSSlot(tls_address); } void WaitCurrentThread_Sleep() { @@ -178,32 +175,6 @@ void Thread::ResumeFromWait() { } /** - * Finds a free location for the TLS section of a thread. - * @param tls_slots The TLS page array of the thread's owner process. - * Returns a tuple of (page, slot, alloc_needed) where: - * page: The index of the first allocated TLS page that has free slots. - * slot: The index of the first free slot in the indicated page. - * alloc_needed: Whether there's a need to allocate a new TLS page (All pages are full). - */ -static std::tuple<std::size_t, std::size_t, bool> GetFreeThreadLocalSlot( - const std::vector<std::bitset<8>>& tls_slots) { - // Iterate over all the allocated pages, and try to find one where not all slots are used. - for (std::size_t page = 0; page < tls_slots.size(); ++page) { - const auto& page_tls_slots = tls_slots[page]; - if (!page_tls_slots.all()) { - // We found a page with at least one free slot, find which slot it is - for (std::size_t slot = 0; slot < page_tls_slots.size(); ++slot) { - if (!page_tls_slots.test(slot)) { - return std::make_tuple(page, slot, false); - } - } - } - } - - return std::make_tuple(0, 0, true); -} - -/** * Resets a thread context, making it ready to be scheduled and run by the CPU * @param context Thread context to reset * @param stack_top Address of the top of the stack @@ -264,32 +235,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name thread->owner_process = owner_process; thread->scheduler = Core::System::GetInstance().Scheduler(processor_id); thread->scheduler->AddThread(thread, priority); - - // Find the next available TLS index, and mark it as used - auto& tls_slots = owner_process->tls_slots; - - auto [available_page, available_slot, needs_allocation] = GetFreeThreadLocalSlot(tls_slots); - if (needs_allocation) { - tls_slots.emplace_back(0); // The page is completely available at the start - available_page = tls_slots.size() - 1; - available_slot = 0; // Use the first slot in the new page - - // Allocate some memory from the end of the linear heap for this region. - const std::size_t offset = thread->tls_memory->size(); - thread->tls_memory->insert(thread->tls_memory->end(), Memory::PAGE_SIZE, 0); - - auto& vm_manager = owner_process->vm_manager; - vm_manager.RefreshMemoryBlockMappings(thread->tls_memory.get()); - - vm_manager.MapMemoryBlock(Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE, - thread->tls_memory, 0, Memory::PAGE_SIZE, - MemoryState::ThreadLocal); - } - - // Mark the slot as used - tls_slots[available_page].set(available_slot); - thread->tls_address = Memory::TLS_AREA_VADDR + available_page * Memory::PAGE_SIZE + - available_slot * Memory::TLS_ENTRY_SIZE; + thread->tls_address = thread->owner_process->MarkNextAvailableTLSSlotAsUsed(*thread); // TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used // to initialize the context @@ -316,8 +262,9 @@ SharedPtr<Thread> SetupMainThread(KernelCore& kernel, VAddr entry_point, u32 pri SetCurrentPageTable(&owner_process.vm_manager.page_table); // Initialize new "main" thread + const VAddr stack_top = owner_process.vm_manager.GetTLSIORegionEndAddress(); auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0, THREADPROCESSORID_0, - Memory::STACK_AREA_VADDR_END, &owner_process); + stack_top, &owner_process); SharedPtr<Thread> thread = std::move(thread_res).Unwrap(); |