diff options
Diffstat (limited to 'src/cpu/o3/alpha/thread_context.hh')
| -rw-r--r-- | src/cpu/o3/alpha/thread_context.hh | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/src/cpu/o3/alpha/thread_context.hh b/src/cpu/o3/alpha/thread_context.hh index 57190d65e..78b0ee788 100644 --- a/src/cpu/o3/alpha/thread_context.hh +++ b/src/cpu/o3/alpha/thread_context.hh @@ -37,21 +37,21 @@ class AlphaTC : public O3ThreadContext<Impl> public: #if FULL_SYSTEM /** Returns a pointer to the ITB. */ - virtual AlphaITB *getITBPtr() { return cpu->itb; } + virtual AlphaITB *getITBPtr() { return this->cpu->itb; } /** Returns a pointer to the DTB. */ - virtual AlphaDTB *getDTBPtr() { return cpu->dtb; } + virtual AlphaDTB *getDTBPtr() { return this->cpu->dtb; } /** Returns pointer to the quiesce event. */ virtual EndQuiesceEvent *getQuiesceEvent() { - return thread->quiesceEvent; + return this->thread->quiesceEvent; } /** Returns if the thread is currently in PAL mode, based on * the PC's value. */ virtual bool inPalMode() - { return TheISA::PcPAL(cpu->readPC(thread->readTid())); } + { return TheISA::PcPAL(this->cpu->readPC(this->thread->readTid())); } #endif virtual uint64_t readNextNPC() @@ -68,4 +68,20 @@ class AlphaTC : public O3ThreadContext<Impl> virtual void changeRegFileContext(TheISA::RegFile::ContextParam param, TheISA::RegFile::ContextVal val) { panic("Not supported on Alpha!"); } + + + // This function exits the thread context in the CPU and returns + // 1 if the CPU has no more active threads (meaning it's OK to exit); + // Used in syscall-emulation mode when a thread executes the 'exit' + // syscall. + virtual int exit() + { + this->cpu->deallocateContext(this->thread->readTid()); + + // If there are still threads executing in the system + if (this->cpu->numActiveThreads()) + return 0; + else + return 1; + } }; |