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/*
* Copyright (C) 2013-2021 Cary R. (cygcary@yahoo.com)
* Copyright (C) 2014 Stephen Williams (steve@icarus.com)
* Copyright (C) 2014 CERN
* @author Maciej Suminski (maciej.suminski@cern.ch)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
# include "sys_priv.h"
# include <assert.h>
static PLI_INT32 one_array_arg_compiletf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv;
vpiHandle arg;
argv = vpi_iterate(vpiArgument, callh);
if (argv == 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s requires an array argument.\n", name);
vpip_set_return_value(1);
vpi_control(vpiFinish, 1);
return 0;
}
arg = vpi_scan(argv);
if (arg == 0) return 0;
arg = vpi_scan(argv);
if (arg != 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s has too many arguments.\n", name);
vpip_set_return_value(1);
vpi_control(vpiFinish, 1);
return 0;
}
return 0;
}
// Checks if a function is passed an array and optionally an integer.
static PLI_INT32 array_int_opt_arg_compiletf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
#if defined(__GNUC__)
const int MAX_ARGC = 3; // one more is to verify there are at most 2 args
#else
#define MAX_ARGC 3
#endif
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv, arg[MAX_ARGC];
PLI_INT32 arg_type[MAX_ARGC];
int argc;
argv = vpi_iterate(vpiArgument, callh);
argc = 0;
if(argv) {
for(int i = 0; i < MAX_ARGC; ++i) {
arg[i] = vpi_scan(argv);
if(arg[i]) {
arg_type[i] = vpi_get(vpiType, arg[i]);
++argc;
} else {
break;
}
}
}
if (!argv || argc == MAX_ARGC || (arg_type[0] != vpiRegArray && arg_type[0] != vpiStringVar) ||
(argc == 2 && arg_type[1] != vpiIntegerVar &&
!(arg_type[1] == vpiConstant && vpi_get(vpiConstType, arg[1]) == vpiBinaryConst))) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s expects an array and optionally an integer.\n", name);
if(argc == MAX_ARGC)
vpi_free_object(argv);
vpip_set_return_value(1);
vpi_control(vpiFinish, 0);
return 0;
}
return 0;
}
static PLI_INT32 func_not_implemented_compiletf(ICARUS_VPI_CONST PLI_BYTE8* name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpi_printf("SORRY: %s:%d: function %s() is not currently implemented.\n",
vpi_get_str(vpiFile, callh), (int)vpi_get(vpiLineNo, callh),
name);
vpip_set_return_value(1);
vpi_control(vpiFinish, 1);
return 0;
}
static PLI_INT32 array_get_property(int property, ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv, array, dim;
s_vpi_value value;
argv = vpi_iterate(vpiArgument, callh);
if (argv == 0) {
vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
(int)vpi_get(vpiLineNo, callh));
vpi_printf("%s requires an array argument.\n", name);
vpip_set_return_value(1);
vpi_control(vpiFinish, 1);
return 0;
}
array = vpi_scan(argv);
dim = vpi_scan(argv);
if(dim != 0) {
vpi_printf("SORRY: %s:%d: multiple dimensions are not handled yet.\n",
vpi_get_str(vpiFile, callh), (int)vpi_get(vpiLineNo, callh));
vpip_set_return_value(1);
vpi_control(vpiFinish, 1);
}
value.format = vpiIntVal;
value.value.integer = vpi_get(property, array);
vpi_put_value(callh, &value, 0, vpiNoDelay);
return 0;
}
static PLI_INT32 left_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
return array_get_property(vpiLeftRange, name);
}
static PLI_INT32 right_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
return array_get_property(vpiRightRange, name);
}
static void high_array(const char*name, vpiHandle callh, vpiHandle arg)
{
s_vpi_value value;
int array_type;
int size;
switch ( (array_type = vpi_get(vpiArrayType, arg)) ) {
case vpiDynamicArray:
case vpiQueueArray:
size = vpi_get(vpiSize, arg);
value.format = vpiIntVal;
value.value.integer = size - 1;
vpi_put_value(callh, &value, 0, vpiNoDelay);
break;
default:
vpi_printf("SORRY: %s:%d: function %s() argument object code is %d\n",
vpi_get_str(vpiFile,callh), (int)vpi_get(vpiLineNo, callh),
name, array_type);
break;
}
}
static PLI_INT32 high_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv;
vpiHandle arg;
int object_code;
(void)name; /* Parameter is not used. */
argv = vpi_iterate(vpiArgument, callh);
assert(argv);
arg = vpi_scan(argv);
assert(arg);
vpi_free_object(argv);
switch ( (object_code = vpi_get(vpiType, arg)) ) {
case vpiArrayVar:
high_array(name, callh, arg);
break;
default:
vpi_printf("SORRY: %s:%d: function %s() argument object code is %d\n",
vpi_get_str(vpiFile,callh), (int)vpi_get(vpiLineNo, callh),
name, object_code);
return 0;
}
return 0;
}
static void low_array(const char*name, vpiHandle callh, vpiHandle arg)
{
s_vpi_value value;
int array_type;
switch ( (array_type = vpi_get(vpiArrayType, arg)) ) {
case vpiDynamicArray:
case vpiQueueArray:
value.format = vpiIntVal;
value.value.integer = 0;
vpi_put_value(callh, &value, 0, vpiNoDelay);
break;
default:
vpi_printf("SORRY: %s:%d: function %s() argument object code is %d\n",
vpi_get_str(vpiFile,callh), (int)vpi_get(vpiLineNo, callh),
name, array_type);
break;
}
}
static PLI_INT32 low_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
{
vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
vpiHandle argv;
vpiHandle arg;
int object_code;
(void)name; /* Parameter is not used. */
argv = vpi_iterate(vpiArgument, callh);
assert(argv);
arg = vpi_scan(argv);
assert(arg);
vpi_free_object(argv);
switch ( (object_code = vpi_get(vpiType, arg)) ) {
case vpiArrayVar:
low_array(name, callh, arg);
break;
default:
vpi_printf("SORRY: %s:%d: function %s() argument object code is %d\n",
vpi_get_str(vpiFile,callh), (int)vpi_get(vpiLineNo, callh),
name, object_code);
return 0;
}
return 0;
}
void v2009_array_register(void)
{
s_vpi_systf_data tf_data;
vpiHandle res;
tf_data.type = vpiSysFunc;
tf_data.sysfunctype = vpiIntFunc;
tf_data.calltf = 0;
tf_data.compiletf = func_not_implemented_compiletf;;
tf_data.sizetf = 0;
tf_data.tfname = "$high";
tf_data.user_data = "$high";
tf_data.compiletf = one_array_arg_compiletf;
tf_data.calltf = high_calltf;
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.tfname = "$low";
tf_data.user_data = "$low";
tf_data.compiletf = one_array_arg_compiletf;
tf_data.calltf = low_calltf;
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.tfname = "$left";
tf_data.user_data = "$left";
tf_data.compiletf = array_int_opt_arg_compiletf;
tf_data.calltf = left_calltf;
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.tfname = "$right";
tf_data.user_data = "$right";
tf_data.compiletf = array_int_opt_arg_compiletf;
tf_data.calltf = right_calltf;
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
/* These functions are not currently implemented. */
tf_data.tfname = "$dimensions";
tf_data.user_data = "$dimensions";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.tfname = "$unpacked_dimensions";
tf_data.user_data = "$unpacked_dimensions";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
tf_data.tfname = "$increment";
tf_data.user_data = "$increment";
res = vpi_register_systf(&tf_data);
vpip_make_systf_system_defined(res);
}
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