adding allocation free function for offload

openair1/PHY/CODING/nrLDPC_extern.h

@@ -30,6 +30,7 @@ nrLDPC_dectopfunc_t top_testsuite;
 /* functions to load the LDPC shared lib, implemented in openair1/PHY/CODING/nrLDPC_load.c */
 extern int load_nrLDPClib(char *version) ;
 extern int load_nrLDPClib_offload(void) ;
+extern int free_nrLDPClib_offload(void) ;
 extern int load_nrLDPClib_ref(char *libversion, nrLDPC_encoderfunc_t * nrLDPC_encoder_ptr); // for ldpctest
 /* ldpc coder/decoder functions, as loaded by load_nrLDPClib(). */
 extern nrLDPC_initcallfunc_t nrLDPC_initcall;

openair1/PHY/CODING/nrLDPC_load.c

@@ -101,6 +101,26 @@ int load_nrLDPClib_offload(void) {
   return 0;
 }
 
+int free_nrLDPClib_offload(void) {
+t_nrLDPC_dec_params decParams;
+  t_nrLDPC_dec_params* p_decParams    = &decParams;
+  int8_t   l[68*384];
+  int8_t llrProcBuf[22*384];
+
+  p_decParams->Z = 384;
+  p_decParams->BG = 1;
+
+  nrLDPC_decoder_offload(p_decParams,
+                        1,
+                        0,
+                        0,
+                        25344,
+                        8,
+                        l,
+                        llrProcBuf, 2);
+return 0;
+}
+
 int load_nrLDPClib_ref(char *libversion, nrLDPC_encoderfunc_t * nrLDPC_encoder_ptr) {
 	loader_shlibfunc_t shlib_encoder_fdesc;
 

openair1/SIMULATION/NR_PHY/ulsim.c

@@ -647,8 +647,6 @@ int main(int argc, char **argv)
   get_softmodem_params()->do_ra = 0;
   get_softmodem_params()->usim_test = 1;
 
-  //load_nrLDPClib_offload();
-
   if (snr1set == 0)
     snr1 = snr0 + 10;
   double sampling_frequency;
@@ -1544,6 +1542,7 @@ int main(int argc, char **argv)
   LOG_MM("ulsimStats.m","EffTP",effTP,snrRun,1,7);
   free(test_input_bit);
   free(estimated_output_bit);
+  free_nrLDPClib_offload();
 
   if (output_fd)
     fclose(output_fd);