iverilog/libveriuser/workarea.c

80 lines
1.8 KiB
C

/*
* Copyright (c) 2002-2010 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
# include <veriuser.h>
# include <vpi_user.h>
# include <stdlib.h>
# include "ivl_alloc.h"
/*
* Keep a list of sys handle to work area bindings.
*/
struct workarea_cell {
vpiHandle sys;
void* area;
struct workarea_cell*next;
};
static struct workarea_cell*area_list = 0;
PLI_INT32 tf_setworkarea(void*workarea)
{
vpiHandle sys;
struct workarea_cell*cur;
sys = vpi_handle(vpiSysTfCall, 0);
cur = area_list;
while (cur) {
if (cur->sys == sys) {
cur->area = workarea;
return 0;
}
cur = cur->next;
}
cur = calloc(1, sizeof (struct workarea_cell));
cur->next = area_list;
cur->sys = sys;
cur->area = workarea;
area_list = cur;
return 0;
}
PLI_BYTE8* tf_getworkarea(void)
{
struct workarea_cell*cur;
vpiHandle sys;
sys = vpi_handle(vpiSysTfCall, 0);
cur = area_list;
while (cur) {
if (cur->sys == sys) {
return cur->area;
}
cur = cur->next;
}
return 0;
}