int to_float32() { union { float f; unsigned int u; } _uf; // initialize tasks acc_initialize(); static s_setval_delay delay_s = {accRealTime, accNoDelay}; static s_setval_value value_s = {accIntVal}; delay_s.time.real = 0; handle reg = acc_handle_tfarg(1); // get register handle float val = acc_fetch_tfarg(2); // get floating number // set floating-point binary value _uf.f = val; value_s.value.integer = _uf.u; acc_set_value(reg,&value_s,&delay_s); }
int util_get_plus_args_str() { /* Example use: invocation script (bosox is passed in as first argument) ----------------- set basename = $1 verilog mymodule.v +tst_file_name${basename}.tst +log_file_name${basename}.log +err_file_name${basename}.err +result_file_name${basename}.result mymodule.v ---------- reg [32*8:1] tst_file_name; // plus argument string value reg [32*8:1] err_file_name; // plus argument string value reg [32*8:1] log_file_name; // plus argument string value reg [32*8:1] result_file_name; // plus argument string value integer plus_arg_ok; // 0 if ok, 1 if no plus argument value initial begin // get strings from plus argument values plus_arg_ok = $util_get_plus_args_str("tst_file_name", tst_file_name); plus_arg_ok = $util_get_plus_args_str("err_file_name", err_file_name); plus_arg_ok = $util_get_plus_args_str("log_file_name", log_file_name); plus_arg_ok = $util_get_plus_args_str("result_file_name",result_file_name); $display("tst_file_name is %s", tst_file_name); $display("err_file_name is %s", err_file_name); $display("log_file_name is %s", log_file_name); $display("result_file_name is %s", result_file_name); end */ /* Input is string Returning value is string. */ handle wrk_out; char *strArgIn; int sizeOut,sizeS_in; int numArgs; int cnt,size; char *buffer, *bufferout; s_setval_value value_out; s_setval_delay delay_out; delay_out.model = accNoDelay; delay_out.time.type = accRealTime; delay_out.time.real = 0.0; value_out.format = accHexStrVal; acc_initialize(); numArgs = tf_nump(); if(numArgs !=2) { tf_error("$get_plus_arg_string must have two arguments"); tf_putp(0,VERILOG_ERROR); return(VERILOG_ERROR); } /* Fetch the input register and size */ wrk_out = acc_handle_tfarg(2); sizeOut = (acc_fetch_size(wrk_out)/8); /* Get the string value */ strArgIn = mc_scan_plusargs(tf_getcstringp(1)); if (strArgIn == NULL) { if (DEBUG_PLUS_ARGS) io_printf("get_plus_args_str(): Matching string is not found: %s.\n", tf_getcstringp(1)); tf_putp(0,VERILOG_ERROR); return(VERILOG_ERROR); } if (strArgIn) { if (DEBUG_PLUS_ARGS) io_printf("get_plus_args_str(): Got string value: %s\n",strArgIn); } else { io_printf("get_plus_args_str(): Bad input string value.\n"); tf_putp(0,VERILOG_ERROR); return(VERILOG_ERROR); } /* Build new string */ sizeS_in = strlen(strArgIn); bufferout = (char *) malloc(sizeS_in + 1); sprintf(bufferout, "%s",strArgIn); if (sizeOut < sizeS_in) { tf_error("get_plus_args_str(): Register %s is not large enough.\n", acc_fetch_fullname(wrk_out)); tf_putp(0,VERILOG_ERROR); return(VERILOG_ERROR); } size = sizeS_in*2; buffer = (char *) malloc(size + 1); for (cnt =0; cnt < size; cnt +=2){ if (cnt < size){ /* Convert string into HEX code */ sprintf(&buffer[cnt],"%x",bufferout[cnt/2]); } } /* Null out the rest of the register else { buffer[cnt] = '\0'; buffer[cnt +1] = '\0'; } */ /* assign buffer to the verilog register */ value_out.value.str = buffer; acc_set_value(wrk_out, &value_out, &delay_out); tf_putp(0,VERILOG_OK); acc_close(); free(buffer); free(bufferout); return(VERILOG_OK); }