From 8217ed7acb71bfa574e0a29e69b902a0c539c814 Mon Sep 17 00:00:00 2001 From: Subv Date: Fri, 29 Sep 2017 14:47:52 -0500 Subject: [PATCH] Kernel/Thread: Added a helper function to get a thread's command buffer VAddr. --- src/core/hle/kernel/thread.cpp | 6 ++++++ src/core/hle/kernel/thread.h | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index 11f7d2127..6ebc8c151 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -534,6 +534,12 @@ s32 Thread::GetWaitObjectIndex(WaitObject* object) const { return static_cast(std::distance(match, wait_objects.rend()) - 1); } +VAddr Thread::GetCommandBufferAddress() const { + // Offset from the start of TLS at which the IPC command buffer begins. + static constexpr int CommandHeaderOffset = 0x80; + return GetTLSAddress() + CommandHeaderOffset; +} + //////////////////////////////////////////////////////////////////////////////////////////////////// void ThreadingInit() { diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index f02e1d43a..520ac22c2 100644 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -159,6 +159,12 @@ public: return tls_address; } + /* + * Returns the address of the current thread's command buffer, located in the TLS. + * @returns VAddr of the thread's command buffer. + */ + VAddr GetCommandBufferAddress() const; + /** * Returns whether this thread is waiting for all the objects in * its wait list to become ready, as a result of a WaitSynchronizationN call