Restoring the functional simulation entry function for OpenCL, which was undone in CL 12023 probably by mistake.

Reveiw ID: 17001

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 15885]

2 files changed, 10 insertions, 2 deletions

diff --git a/CHANGES b/CHANGES
index 679ccb7..fd56f1a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -23,6 +23,7 @@ Version 3.2.1+edits (development branch) versus 3.2.1
       warning message display        
     - Removed a spamming print at kernel finish that dumped a warp issuing
       histogram.
+    - Fixing OpenCL functional simulation. Now the functional simulation routine is called instead of mistakenly printing that the functional simulation is not implemented.
 Version 3.2.1 versus 3.2.0
 - Added kernel name and launch uids to performance statistics log.
 - Added l2_cache_config class to extend baseline cache_config. Allows for
diff --git a/src/gpgpusim_entrypoint.cc b/src/gpgpusim_entrypoint.cc
index f19537b..9999bb1 100644
--- a/src/gpgpusim_entrypoint.cc
+++ b/src/gpgpusim_entrypoint.cc
@@ -244,8 +244,15 @@ int gpgpu_opencl_ptx_sim_main_perf( kernel_info_t *grid )
    return 0;
 }
 
+//! Functional simulation of OpenCL
+/*!
+ * This function call the CUDA PTX functional simulator
+ */
 int gpgpu_opencl_ptx_sim_main_func( kernel_info_t *grid )
 {
-   printf("GPGPU-Sim PTX API: OpenCL functional-only simulation not yet implemented (use performance simulation)\n");
-   exit(1);
+    //calling the CUDA PTX simulator, sending the kernel by reference and a flag set to true,
+    //the flag used by the function to distinguish OpenCL calls from the CUDA simulation calls which
+    //it is needed by the called function to not register the exit the exit of OpenCL kernel as it doesn't register entering in the first place as the CUDA kernels does
+   gpgpu_cuda_ptx_sim_main_func( *grid, true );
+   return 0;
 }