static PLI_INT32 sys_convert_compiletf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, callh);
vpiHandle arg;
/* Check that there is an argument. */
if (argv == 0) {
error_message(callh, "%s requires one argument.\n");
return 0;
}
/* In Icarus if we have an argv we have at least one argument. */
arg = vpi_scan(argv);
/* Validate the argument. Only $bitstoreal for now. */
if (!strcmp("$bitstoreal", name) && vpi_get(vpiSize, arg) != 64) {
error_message(callh, "%s requires a 64-bit argument.\n");
return 0;
}
/* Save the argument away to make the calltf faster. */
vpi_put_userdata(callh, (void *) arg);
/* These functions only take one argument. */
check_for_extra_args(argv, callh, name, "one argument", 0);
return 0;
}
static int sys_random_calltf(char*name)
{
s_vpi_value val;
vpiHandle call_handle;
vpiHandle argv;
vpiHandle seed = 0;
int i_seed = 0;
struct context_s *context;
call_handle = vpi_handle(vpiSysTfCall, 0);
assert(call_handle);
/* Get the argument list and look for a seed. If it is there,
get the value and reseed the random number generator. */
argv = vpi_iterate(vpiArgument, call_handle);
if (argv) {
seed = vpi_scan(argv);
vpi_free_object(argv);
val.format = vpiIntVal;
vpi_get_value(seed, &val);
i_seed = val.value.integer;
/* Since there is a seed use the current
context or create a new one */
context = (struct context_s *)vpi_get_userdata(call_handle);
if (!context) {
context = (struct context_s *)calloc(1, sizeof(*context));
context->mti = NP1;
assert(context);
/* squrrel away context */
vpi_put_userdata(call_handle, (void *)context);
}
/* If the argument is not the Icarus cookie, then
reseed context */
if (i_seed != COOKIE)
sgenrand(context, i_seed);
} else {
/* use global context */
context = &global_context;
}
val.format = vpiIntVal;
val.value.integer = genrand(context);
vpi_put_value(call_handle, &val, 0, vpiNoDelay);
/* mark seed with cookie */
if (seed && i_seed != COOKIE) {
val.format = vpiIntVal;
val.value.integer = COOKIE;
vpi_put_value(seed, &val, 0, vpiNoDelay);
}
return 0;
}
static PLI_INT32 ivlh_attribute_event_compiletf(ICARUS_VPI_CONST PLI_BYTE8*data)
{
event_type_t type = (event_type_t) data;
vpiHandle sys = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, sys);
vpiHandle arg;
struct monitor_data*mon;
struct t_cb_data cb;
struct t_vpi_time tb;
struct t_vpi_value vb;
/* Check that there are arguments. */
if (argv == 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, sys),
(int)vpi_get(vpiLineNo, sys));
vpi_printf("(compiler error) %s requires a single argument.\n",
func_names[type]);
vpi_control(vpiFinish, 1);
return 0;
}
/* Icarus either returns 0 above or has one argument. */
arg = vpi_scan(argv);
assert(arg);
mon = malloc(sizeof(struct monitor_data));
/* Add this to the list of data. */
mdata_count += 1;
mdata = (struct monitor_data **) realloc(mdata,
sizeof(struct monitor_data **) *
mdata_count);
mdata[mdata_count-1] = mon;
tb.type = vpiSimTime;
vb.format = vpiScalarVal;
cb.reason = cbValueChange;
cb.cb_rtn = monitor_events;
cb.obj = arg;
cb.time = &tb;
cb.value = &vb;
cb.user_data = (char*) (mon);
vpi_register_cb(&cb);
vpi_put_userdata(sys, mon);
/* Check that there is no more than one argument. */
arg = vpi_scan(argv);
if (arg != 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, sys),
(int)vpi_get(vpiLineNo, sys));
vpi_printf("(compiler error) %s only takes a single argument.\n",
func_names[type]);
vpi_free_object(argv);
vpi_control(vpiFinish, 1);
}
return 0;
}
/*
* Routine to check all the double argument math functions.
*/
static PLI_INT32 va_double_argument_compiletf(ICARUS_VPI_CONST PLI_BYTE8 *ud)
{
vpiHandle callh, argv, arg;
const t_double_data *data;
const char *name;
va_double_t* fun_data;
assert(ud != 0);
callh = vpi_handle(vpiSysTfCall, 0);
assert(callh != 0);
argv = vpi_iterate(vpiArgument, callh);
data = (const t_double_data *) ud;
name = data->name;
fun_data = malloc(sizeof(va_double_t));
/* Check that there are arguments. */
if (argv == 0) {
va_error_message(callh, "%s requires two arguments.\n", name);
free(fun_data);
return 0;
}
/* In Icarus if we have an argv we have at least one argument. */
arg = vpi_scan(argv);
fun_data->arg1 = va_process_argument(callh, name, arg, " (arg1)");
/* Check that there are at least two arguments. */
arg = vpi_scan(argv);
if (arg == 0) {
va_error_message(callh, "%s requires two arguments.\n", name);
}
fun_data->arg2 = va_process_argument(callh, name, arg, " (arg2)");
/* These functions only take two arguments. */
arg = vpi_scan(argv);
if (arg != 0) {
va_error_message(callh, "%s takes only two arguments.\n", name);
vpi_free_object(argv);
}
/* Get the function that is to be used by the calltf routine. */
fun_data->func = data->func;
vpi_put_userdata(callh, fun_data);
double_funcs_count += 1;
double_funcs = (va_double_t **)realloc(double_funcs,
double_funcs_count*sizeof(va_double_t **));
double_funcs[double_funcs_count-1] = fun_data;
/* vpi_scan() returning 0 (NULL) has already freed argv. */
return 0;
}
static PLI_INT32 sys_mti_random_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh, argv, seed = 0;
s_vpi_value val;
int i_seed = COOKIE;
struct context_s *context;
(void)name; /* Parameter is not used. */
/* Get the argument list and look for a seed. If it is there,
get the value and reseed the random number generator. */
callh = vpi_handle(vpiSysTfCall, 0);
argv = vpi_iterate(vpiArgument, callh);
val.format = vpiIntVal;
if (argv) {
seed = vpi_scan(argv);
vpi_free_object(argv);
vpi_get_value(seed, &val);
i_seed = val.value.integer;
/* Since there is a seed use the current
context or create a new one */
context = (struct context_s *)vpi_get_userdata(callh);
if (!context) {
context = (struct context_s *)calloc(1, sizeof(*context));
context->mti = NP1;
/* squirrel away context */
vpi_put_userdata(callh, (void *)context);
}
/* If the argument is not the Icarus cookie, then
reseed context */
if (i_seed != COOKIE) sgenrand(context, i_seed);
} else {
/* use global context */
context = &global_context;
}
/* Calculate and return the result */
val.value.integer = genrand(context);
vpi_put_value(callh, &val, 0, vpiNoDelay);
/* mark seed with cookie */
if (seed && i_seed != COOKIE) {
val.value.integer = COOKIE;
vpi_put_value(seed, &val, 0, vpiNoDelay);
}
return 0;
}
/*
* Check that the given $table_model() call has valid arguments.
*/
static PLI_INT32 sys_table_model_compiletf(ICARUS_VPI_CONST PLI_BYTE8 *name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv = vpi_iterate(vpiArgument, callh);
vpiHandle arg;
p_table_mod table = create_table();
/* See if there are any table model arguments. */
check_command_line_flags();
/* Check that there are arguments. */
if (argv == 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s requires at least two arguments.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
/* The first N (dimensions) arguments must be numeric. */
for (arg = vpi_scan(argv);
arg && is_numeric_obj(arg);
arg = vpi_scan(argv)) {
table->dims += 1;
table->indep = (vpiHandle *)realloc(table->indep,
sizeof(vpiHandle)*table->dims);
table->indep[table->dims-1] = arg;
}
/* We must have a data file. */
if (arg == 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s requires a file name argument.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
/* For now we only allow a constant string (file name). */
if (! is_const_string_obj(arg)) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s file name argument must be a constant string.\n",
name);
vpi_control(vpiFinish, 1);
return 0;
}
table->file.arg = arg;
/* There may be an optional constant string (control string). */
arg = vpi_scan(argv);
if (arg) {
if (! is_const_string_obj(arg)) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s control string argument must be a constant "
"string.\n", name);
vpi_control(vpiFinish, 1);
return 0;
}
check_for_extra_args(argv, callh, name, "N numeric and 1 or 2 "
" constant string arguments", 0);
table->control.arg = arg;
}
/* Save the table data information. */
vpi_put_userdata(callh, table);
return 0;
}
/*
* This function calls the veriusertfs checktf and sets up all the
* callbacks misctf requires.
*/
static PLI_INT32 compiletf(char *data)
{
p_pli_data pli;
p_tfcell tf;
s_cb_data cb_data;
vpiHandle call_h, arg_i, arg_h;
p_pli_data dp;
int rtn = 0;
/* cast back from opaque */
pli = (p_pli_data)data;
tf = pli->tf;
/* get call handle */
call_h = vpi_handle(vpiSysTfCall, NULL);
/* Attach the pli_data structure to the vpi handle of the
system task. This is how I manage the map from vpiHandle to
PLI1 pli data. We do it here (instead of during register)
because this is the first that I have both the vpiHandle
and the pli_data. */
vpi_put_userdata(call_h, pli);
/* default cb_data */
memset(&cb_data, 0, sizeof(s_cb_data));
cb_data.cb_rtn = callback;
cb_data.user_data = data;
/* register EOS misctf callback */
cb_data.reason = cbEndOfSimulation;
cb_data.obj = call_h;
vpi_register_cb(&cb_data);
/* If there is a misctf function, then create a value change
callback for all the arguments. In the tf_* API, misctf
functions get value change callbacks, controlled by the
tf_asyncon and tf_asyncoff functions. */
if (tf->misctf && ((arg_i = vpi_iterate(vpiArgument, call_h)) != NULL)) {
int paramvc = 1;
cb_data.reason = cbValueChange;
while ((arg_h = vpi_scan(arg_i)) != NULL) {
/* replicate user_data for each instance */
dp = calloc(1, sizeof(s_pli_data));
memcpy(dp, cb_data.user_data, sizeof(s_pli_data));
dp->paramvc = paramvc++;
cb_data.user_data = (char *)dp;
cb_data.obj = arg_h;
vpi_register_cb(&cb_data);
}
}
/*
* Since we are in compiletf, checktf and misctf need to
* be executed. Check runs first to match other simulators.
*/
if (tf->checktf) {
if (pli_trace) {
fprintf(pli_trace, "Call %s->checktf(reason_checktf)\n",
tf->tfname);
}
rtn = tf->checktf(tf->data, reason_checktf);
}
if (tf->misctf) {
if (pli_trace) {
fprintf(pli_trace, "Call %s->misctf"
"(user_data=%d, reason=%d, paramvc=%d)\n",
tf->tfname, tf->data, reason_endofcompile, 0);
}
tf->misctf(tf->data, reason_endofcompile, 0);
}
return rtn;
}