diff options
Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r-- | src/core/hle/kernel/session.h | 10 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.cpp | 11 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.h | 8 |
3 files changed, 26 insertions, 3 deletions
diff --git a/src/core/hle/kernel/session.h b/src/core/hle/kernel/session.h index 0fd18148a..8c3886ffd 100644 --- a/src/core/hle/kernel/session.h +++ b/src/core/hle/kernel/session.h @@ -5,6 +5,7 @@ #pragma once #include "core/hle/kernel/kernel.h" +#include "core/hle/kernel/thread.h" #include "core/mem_map.h" namespace Kernel { @@ -12,12 +13,15 @@ namespace Kernel { static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header /** - * Returns a pointer to the command buffer in kernel memory + * Returns a pointer to the command buffer in the current thread's TLS + * TODO(Subv): This is not entirely correct, the command buffer should be copied from + * the thread's TLS to an intermediate buffer in kernel memory, and then copied again to + * the service handler process' memory. * @param offset Optional offset into command buffer * @return Pointer to command buffer */ -inline static u32* GetCommandBuffer(const int offset=0) { - return (u32*)Memory::GetPointer(Memory::TLS_AREA_VADDR + kCommandHeaderOffset + offset); +inline static u32* GetCommandBuffer(const int offset = 0) { + return (u32*)Memory::GetPointer(GetCurrentThread()->GetTLSAddress() + kCommandHeaderOffset + offset); } /** diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index 0a3fd7cb1..5de8f9a73 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -197,6 +197,7 @@ static void SwitchContext(Thread* new_thread) { new_thread->current_priority = new_thread->nominal_priority; Core::g_app_core->LoadContext(new_thread->context); + Core::g_app_core->SetCP15Register(CP15_THREAD_URO, new_thread->GetTLSAddress()); } else { current_thread = nullptr; } @@ -402,6 +403,12 @@ 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(); + VAddr tls_address = Memory::TLS_AREA_VADDR + (thread->thread_id - 1) * 0x200; + + ASSERT_MSG(tls_address < Memory::TLS_AREA_VADDR_END, "Too many threads"); + + thread->tls_address = tls_address; + // TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used // to initialize the context Core::g_app_core->ResetContext(thread->context, stack_top, entry_point, arg); @@ -495,6 +502,10 @@ void Thread::SetWaitSynchronizationOutput(s32 output) { context.cpu_registers[1] = output; } +VAddr Thread::GetTLSAddress() const { + return tls_address; +} + //////////////////////////////////////////////////////////////////////////////////////////////////// void ThreadingInit() { diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index 9958b16e6..6891c8c2f 100644 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -135,6 +135,12 @@ public: */ void Stop(); + /* + * Returns the Thread Local Storage address of the current thread + * @returns VAddr of the thread's TLS + */ + VAddr GetTLSAddress() const; + Core::ThreadContext context; u32 thread_id; @@ -150,6 +156,8 @@ public: s32 processor_id; + VAddr tls_address; ///< Address 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; |