64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
#ifndef __vvp_vpi_callback_H
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#define __vvp_vpi_callback_H
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/*
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* Copyright (c) 2009 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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# include "config.h"
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# include "vpi_user.h"
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/*
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* Things derived from vvp_vpi_callback may have callbacks
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* attached. This is how vpi callbacks are attached to the vvp
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* structure.
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*
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* Things derived from vvp_vpi_callback may also be array'ed, so it
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* includes some members that arrays use.
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*/
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class vvp_vpi_callback {
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public:
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vvp_vpi_callback();
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virtual ~vvp_vpi_callback();
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void attach_as_word(class __vpiArray* arr, unsigned long addr);
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void add_vpi_callback(struct __vpiCallback*);
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#ifdef CHECK_WITH_VALGRIND
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/* This has only been tested at EOS. */
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void clear_all_callbacks(void);
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#endif
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// Derived classes implement this method to provide a way for
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// vpi to get at the vvp value of the object.
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virtual void get_value(struct t_vpi_value*value) =0;
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protected:
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// Derived classes call this method to indicate that it is
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// time to call the callback.
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void run_vpi_callbacks();
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private:
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struct __vpiCallback*vpi_callbacks_;
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class __vpiArray* array_;
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unsigned long array_word_;
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};
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#endif
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