mirror of
https://github.com/steveicarus/iverilog.git
synced 2026-08-29 01:03:29 +02:00
Stephen Williams
bcaf7355ca
Remove the #ident and $Log$ strings from all the header files and almost all of the C/C++ source files. I think it is better to get this done all at once, then to wait for each of the files to be touched and edited in unrelated patches.
106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
#ifndef __pointers_H
|
|
#define __pointers_H
|
|
/*
|
|
* Copyright (c) 2001 Stephen Williams ([email protected])
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/*
|
|
* This header file describes the various "pointer" integral types
|
|
* that are used in vvp, along with functions that can be used to
|
|
* manipulate those pointers.
|
|
*/
|
|
|
|
# include "config.h"
|
|
|
|
/*
|
|
* The vvp_ipoint_t is a 32bit integer that encodes the address of a
|
|
* functor input port.
|
|
*
|
|
* The typedef below gets the type properly declared as an integral
|
|
* type that is big enough. The config.h header file has the defines
|
|
* needed for the following pre-processor magic to work.
|
|
*/
|
|
# if SIZEOF_UNSIGNED >= 4
|
|
typedef unsigned vvp_ipoint_t;
|
|
#elif SIZEOF_UNSIGNED_LONG >= 4
|
|
typedef unsigned long vvp_ipoint_t;
|
|
#else
|
|
#error "I need an unsigned type that is 32 bits!"
|
|
#endif
|
|
|
|
/*
|
|
* This is a native-pointer version of the vvp_ipoint_t
|
|
*/
|
|
typedef struct functor_s *functor_t;
|
|
|
|
/*
|
|
* Given a functor generic address and a desired port, this function
|
|
* makes a complete vvp_ipoint_t that points to the port of the given
|
|
* functor. The The result points to the same functor as the input
|
|
* pointer, but addresses the supplied port instead.
|
|
*/
|
|
inline vvp_ipoint_t ipoint_make(vvp_ipoint_t func, unsigned port)
|
|
{
|
|
return (func & ~3) | (port & 3);
|
|
}
|
|
|
|
/*
|
|
* This implements pointer arithmetic for vvp_point_t pointers. Add
|
|
* the given index to the functor part of the pointer.
|
|
*/
|
|
inline vvp_ipoint_t ipoint_index(vvp_ipoint_t base, unsigned idx)
|
|
{
|
|
return base + (idx<<2);
|
|
}
|
|
|
|
/*
|
|
* Return the ipoint of an input into a multi-functor input vector.
|
|
*/
|
|
inline vvp_ipoint_t ipoint_input_index(vvp_ipoint_t base, unsigned idx)
|
|
{
|
|
return (base & ~3) + idx;
|
|
}
|
|
|
|
/*
|
|
* This function returns the port index of a functor given a complete
|
|
* vvp_ipoint_t pointer.
|
|
*/
|
|
inline unsigned ipoint_port(vvp_ipoint_t func)
|
|
{
|
|
return func & 3;
|
|
}
|
|
|
|
/*
|
|
* The functor event mode uses a pointer of this type to point to the
|
|
* extended event data.
|
|
*/
|
|
typedef struct event_functor_s *vvp_event_t;
|
|
|
|
|
|
typedef struct vthread_s*vthread_t;
|
|
|
|
|
|
/* vector of functors */
|
|
|
|
typedef struct vvp_fvector_s *vvp_fvector_t;
|
|
|
|
/* Forward declarations. */
|
|
class vvp_delay_t;
|
|
|
|
#endif
|