- added *implied* local memory stack pointer for functional execution

(still need to determine framesize during parsing, and need to support
alternate mode were stack pointer is explicit register a la zev...)
- define local param mapping to local memory for functional execution

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 6875]

1 files changed, 11 insertions, 0 deletions

diff --git a/src/cuda-sim/ptx_sim.cc b/src/cuda-sim/ptx_sim.cc
index 269b858..85e6185 100644
--- a/src/cuda-sim/ptx_sim.cc
+++ b/src/cuda-sim/ptx_sim.cc
@@ -241,6 +241,7 @@ ptx_thread_info::ptx_thread_info()
    m_RPC_updated = false;
    m_last_was_call = false;
    m_enable_debug_trace = false;
+   m_local_mem_stack_pointer = 0;
 }
 
 const ptx_version &ptx_thread_info::get_ptx_version() const 
@@ -447,6 +448,16 @@ void ptx_thread_info::dump_modifiedregs()
    }
 }
 
+void ptx_thread_info::push_local_mem_stack() 
+{ 
+   m_local_mem_stack_pointer += m_func_info->local_mem_framesize(); 
+}
+
+void ptx_thread_info::pop_local_mem_stack() 
+{ 
+   m_local_mem_stack_pointer -= m_func_info->local_mem_framesize(); 
+}
+
 void ptx_thread_info::set_npc( const function_info *f )
 {
    m_NPC = f->get_start_PC();