iverilog/vvp/vpi_darray.cc

356 lines
8.4 KiB
C++

/*
* Copyright (c) 2012-2025 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form 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 "compile.h"
# include "vpi_priv.h"
# include "vvp_net_sig.h"
# include "vvp_darray.h"
# include "array_common.h"
# include "schedule.h"
#ifdef CHECK_WITH_VALGRIND
# include "vvp_cleanup.h"
#endif
# include <cstdio>
# include <cstdlib>
# include <cstring>
# include <cassert>
# include "ivl_alloc.h"
using namespace std;
__vpiDarrayVar::__vpiDarrayVar(__vpiScope*sc, const char*na, vvp_net_t*ne)
: __vpiBaseVar(sc, na, ne)
{
}
unsigned __vpiDarrayVar::get_size() const
{
const vvp_fun_signal_object*fun = dynamic_cast<vvp_fun_signal_object*> (get_net()->fun);
if(!fun)
return 0;
vvp_object_t val = fun->get_object();
const vvp_darray*aval = val.peek<vvp_darray>();
if(!aval)
return 0;
return aval->get_size();
}
vpiHandle __vpiDarrayVar::get_left_range()
{
left_range_.set_value(0);
return &left_range_;
}
vpiHandle __vpiDarrayVar::get_right_range()
{
right_range_.set_value(get_size() - 1);
return &right_range_;
}
int __vpiDarrayVar::get_word_size() const
{
vvp_vector4_t new_vec;
vvp_darray*aobj = get_vvp_darray();
aobj->get_word(0, new_vec);
return new_vec.size();
}
char*__vpiDarrayVar::get_word_str(struct __vpiArrayWord*word, int code)
{
unsigned index = word->get_index();
if (code == vpiFile) { // Not implemented for now!
return simple_set_rbuf_str(file_names[0]);
}
char sidx [64];
snprintf(sidx, 63, "%d", (int)index);
return generic_get_str(code, scope_, name_, sidx);
}
void __vpiDarrayVar::get_word_value(struct __vpiArrayWord*word, p_vpi_value vp)
{
unsigned index = word->get_index();
vvp_darray*aobj = get_vvp_darray();
if(vp->format == vpiObjTypeVal) {
if(dynamic_cast<vvp_darray_real*>(aobj))
vp->format = vpiRealVal;
else if(dynamic_cast<vvp_darray_string*>(aobj))
vp->format = vpiStringVal;
else
vp->format = vpiVectorVal;
}
switch(vp->format) {
case vpiBinStrVal:
case vpiOctStrVal:
case vpiDecStrVal:
case vpiHexStrVal:
case vpiScalarVal:
case vpiIntVal:
case vpiVectorVal:
{
vvp_vector4_t v;
aobj->get_word(index, v);
vpip_vec4_get_value(v, v.size(), false, vp); // TODO sign?
}
break;
case vpiRealVal:
{
double d;
aobj->get_word(index, d);
vpip_real_get_value(d, vp);
}
break;
case vpiStringVal:
{
string s;
aobj->get_word(index, s);
vpip_string_get_value(s, vp);
}
break;
default:
fprintf(stderr, "vpi sorry: format is not implemented\n");
assert(false);
}
}
void __vpiDarrayVar::put_word_value(struct __vpiArrayWord*word, p_vpi_value vp, int)
{
unsigned index = word->get_index();
vvp_darray*aobj = get_vvp_darray();
switch(vp->format) {
case vpiScalarVal:
{
vvp_vector4_t vec(1, vp->value.scalar);
aobj->set_word(index, vec);
}
break;
case vpiIntVal:
{
vvp_vector4_t vec;
unsigned long val = vp->value.integer;
vec.setarray(0, 8 * sizeof(vp->value.integer), &val);
aobj->set_word(index, vec);
}
break;
case vpiVectorVal: // 2 vs 4 state logic?
{
int size = get_word_size();
PLI_INT32 a = 0, b = 0;
vvp_vector4_t new_vec(size);
p_vpi_vecval vec = vp->value.vector;
vec--; // it will be increased in the first loop iteration
for(int i = 0; i < size; ++i) {
int new_bit;
if(i % (8 * sizeof(vec->aval)) == 0) {
++vec;
a = vec->aval;
b = vec->bval;
}
// convert to vvp_bit4_t
new_bit = ((b & 1) << 2) | (a & 1);
new_vec.set_bit(i, (vvp_bit4_t) new_bit);
a >>= 1;
b >>= 1;
}
aobj->set_word(index, new_vec);
}
break;
case vpiRealVal:
aobj->set_word(index, vp->value.real);
break;
case vpiStringVal:
aobj->set_word(index, std::string(vp->value.str));
break;
default:
fprintf(stderr, "vpi sorry: format is not implemented");
assert(false);
}
}
vpiHandle __vpiDarrayVar::get_iter_index(struct __vpiArrayIterator*, int idx)
{
if (vals_words == 0) make_vals_words();
return &(vals_words[idx].as_word);
}
int __vpiDarrayVar::vpi_get(int code)
{
switch (code) {
case vpiArrayType:
return vpiDynamicArray;
case vpiLeftRange:
return 0;
case vpiRightRange:
return get_size() - 1;
case vpiSize:
return get_size();
default:
fprintf(stderr, "vpi sorry: property is not implemented");
assert(false);
return 0;
}
}
char* __vpiDarrayVar::vpi_get_str(int code)
{
if (code == vpiFile) { // Not implemented for now!
return simple_set_rbuf_str(file_names[0]);
}
return generic_get_str(code, scope_, name_, NULL);
}
vpiHandle __vpiDarrayVar::vpi_handle(int code)
{
switch (code) {
case vpiLeftRange:
return get_left_range();
case vpiRightRange:
return get_right_range();
case vpiScope:
return scope_;
case vpiModule:
return vpip_module(scope_);
}
return 0;
}
vpiHandle __vpiDarrayVar::vpi_index(int index)
{
if (index >= (long) get_size())
return 0;
if (index < 0)
return 0;
if (vals_words == 0)
make_vals_words();
return &(vals_words[index].as_word);
}
void __vpiDarrayVar::vpi_get_value(p_vpi_value val)
{
val->format = vpiSuppressVal;
}
vvp_darray*__vpiDarrayVar::get_vvp_darray() const
{
vvp_fun_signal_object*fun = dynamic_cast<vvp_fun_signal_object*> (get_net()->fun);
assert(fun);
vvp_object_t obj = fun->get_object();
return obj.peek<vvp_darray>();
}
vpiHandle vpip_make_darray_var(const char*name, vvp_net_t*net)
{
__vpiScope*scope = vpip_peek_current_scope();
const char*use_name = name ? vpip_name_string(name) : NULL;
__vpiDarrayVar*obj = new __vpiDarrayVar(scope, use_name, net);
return obj;
}
__vpiQueueVar::__vpiQueueVar(__vpiScope*sc, const char*na, vvp_net_t*ne)
: __vpiBaseVar(sc, na, ne)
{
}
int __vpiQueueVar::get_type_code(void) const
{ return vpiArrayVar; }
int __vpiQueueVar::vpi_get(int code)
{
vvp_fun_signal_object*fun = dynamic_cast<vvp_fun_signal_object*> (get_net()->fun);
assert(fun);
vvp_object_t val = fun->get_object();
const vvp_queue*aval = val.peek<vvp_queue>();
switch (code) {
case vpiArrayType:
return vpiQueueArray;
case vpiSize:
if (aval == 0)
return 0;
else
return aval->get_size();
default:
return 0;
}
}
void __vpiQueueVar::vpi_get_value(p_vpi_value val)
{
val->format = vpiSuppressVal;
}
vpiHandle vpip_make_queue_var(const char*name, vvp_net_t*net)
{
__vpiScope*scope = vpip_peek_current_scope();
const char*use_name = name ? vpip_name_string(name) : NULL;
__vpiQueueVar*obj = new __vpiQueueVar(scope, use_name, net);
return obj;
}
#ifdef CHECK_WITH_VALGRIND
void darray_delete(vpiHandle item)
{
__vpiDarrayVar*obj = dynamic_cast<__vpiDarrayVar*>(item);
if (obj->vals_words) delete [] (obj->vals_words-1);
delete obj;
}
void queue_delete(vpiHandle item)
{
__vpiQueueVar*obj = dynamic_cast<__vpiQueueVar*>(item);
delete obj;
}
#endif