331 lines
9.1 KiB
C
331 lines
9.1 KiB
C
#ifndef __vpi_user_H
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#define __vpi_user_H
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/*
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* Copyright (c) 1999 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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#if !defined(WINNT) && !defined(macintosh)
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#ident "$Id: vpi_user.h,v 1.6 2001/09/30 05:18:46 steve Exp $"
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#endif
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#if defined(__MINGW32__) || defined (__CYGWIN32__)
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# define DLLEXPORT __declspec(dllexport)
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#else
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# define DLLEXPORT
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#endif
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#ifdef __cplusplus
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# define EXTERN_C_START extern "C" {
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# define EXTERN_C_END }
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#else
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# define EXTERN_C_START
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# define EXTERN_C_END
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#endif
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EXTERN_C_START
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typedef struct __vpiHandle *vpiHandle;
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/*
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* This structure is created by the VPI application to provide hooks
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* into the application that the compiler/simulator can access.
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*/
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typedef struct t_vpi_systf_data {
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int type;
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int subtype;
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char *tfname;
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int (*calltf)(char*);
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int (*compiletf)(char*);
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int (*sizetf)();
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char *user_data;
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} s_vpi_systf_data, *p_vpi_systf_data;
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/* The type in the above structure can have one of the following
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values: */
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#define vpiSysTask 1
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#define vpiSysFunc 2
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typedef struct t_vpi_vlog_info
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{
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int argc;
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char **argv;
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char *product;
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char *version;
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} s_vpi_vlog_info, *p_vpi_vlog_info;
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typedef struct t_vpi_time {
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int type;
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unsigned int high;
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unsigned int low;
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double real;
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} s_vpi_time, *p_vpi_time;
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#define vpiScaledRealTime 1
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#define vpiSimTime 2
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#define vpiSuppressTime 3
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typedef struct t_vpi_vecval {
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int aval, bval; /* ab encoding: 00=0, 10=1, 11=X, 01=Z */
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} s_vpi_vecval, *p_vpi_vecval;
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typedef struct t_vpi_strengthval {
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int logic;
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int s0, s1;
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} s_vpi_strengthval, *p_vpi_strengthval;
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/*
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* This structure holds values that are passed back and forth between
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* the simulator and the application.
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*/
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typedef struct t_vpi_value {
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int format;
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union {
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char*str;
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int scalar;
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int integer;
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double real;
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struct t_vpi_time *time;
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struct t_vpi_vecval *vector;
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struct t_vpi_strengthval *strength;
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char*misc;
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} value;
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} s_vpi_value, *p_vpi_value;
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/* These are valid codes for the format of the t_vpi_value structure. */
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#define vpiBinStrVal 1
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#define vpiOctStrVal 2
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#define vpiDecStrVal 3
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#define vpiHexStrVal 4
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#define vpiScalarVal 5
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#define vpiIntVal 6
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#define vpiRealVal 7
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#define vpiStringVal 8
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#define vpiVectorVal 9
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#define vpiStrengthVal 10
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#define vpiTimeVal 11
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#define vpiObjTypeVal 12
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#define vpiSuppressVal 13
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/* SCALAR VALUES */
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#define vpi0 0
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#define vpi1 1
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#define vpiZ 2
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#define vpiX 3
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#define vpiH 4
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#define vpiL 5
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#define vpiDontCare 6
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/* STRENGTH VALUES */
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#define vpiSupplyDrive 0x80
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#define vpiStrongDrive 0x40
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#define vpiPullDrive 0x20
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#define vpiLargeCharge 0x10
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#define vpiWeakDrive 0x08
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#define vpiMediumCharge 0x04
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#define vpiSmallCharge 0x02
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#define vpiHiZ 0x01
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/* OBJECT CODES */
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#define vpiConstant 7
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#define vpiFunction 20
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#define vpiIterator 27
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#define vpiMemory 29
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#define vpiMemoryWord 30
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#define vpiModule 32
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#define vpiNamedBegin 33
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#define vpiNamedFork 35
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#define vpiNet 36
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#define vpiReg 48
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#define vpiSysFuncCall 56
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#define vpiSysTaskCall 57
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#define vpiTask 59
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#define vpiTimeVar 63
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#define vpiScope 84
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#define vpiSysTfCall 85
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#define vpiArgument 89
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#define vpiInternalScope 92
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#define vpiCallback 1000
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/* PROPERTIES */
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#define vpiType 1
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#define vpiName 2
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#define vpiFullName 3
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#define vpiSize 4
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#define vpiTimeUnit 11
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#define vpiTimePrecision 12
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#define vpiConstType 43
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# define vpiDecConst 1
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# define vpiRealConst 2
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# define vpiBinaryConst 3
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# define vpiOctConst 4
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# define vpiHexConst 5
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# define vpiStringConst 6
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#define vpiSigned 65
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/* IVL private properties */
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#define _vpiNexusId 128
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/* DELAY MODES */
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#define vpiNoDelay 1
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#define vpiInertialDelay 2
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#define vpiTransportDelay 3
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#define vpiPureTransportDelay 4
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#define vpiForceFlag 5
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#define vpiReleaseFlag 6
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/* VPI FUNCTIONS */
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extern void vpi_register_systf(const struct t_vpi_systf_data*ss);
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extern void vpi_printf(const char*fmt, ...);
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extern unsigned int vpi_mcd_close(unsigned int mcd);
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extern char *vpi_mcd_name(unsigned int mcd);
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extern unsigned int vpi_mcd_open(char *name);
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extern unsigned int vpi_mcd_open_x(char *name, char *mode);
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extern int vpi_mcd_printf(unsigned int mcd, const char*fmt, ...);
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extern int vpi_mcd_fputc(unsigned int mcd, unsigned char x);
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extern int vpi_mcd_fgetc(unsigned int mcd);
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/*
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* support for VPI callback functions.
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*/
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typedef struct t_cb_data {
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int reason;
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int (*cb_rtn)(struct t_cb_data*cb);
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vpiHandle obj;
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p_vpi_time time;
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p_vpi_value value;
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int index;
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char*user_data;
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} s_cb_data, *p_cb_data;
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#define cbValueChange 1
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#define cbStmt 2
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#define cbForce 3
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#define cbRelease 4
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#define cbAtStartOfSimTime 5
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#define cbReadWriteSynch 6
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#define cbReadOnlySynch 7
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#define cbNextSimTime 8
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#define cbAfterDelay 9
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#define cbEndOfCompile 10
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#define cbStartOfSimulation 11
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#define cbEndOfSimulation 12
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#define cbError 13
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#define cbTchkViolation 14
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#define cbStartOfSave 15
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#define cbEndOfSave 16
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#define cbStartOfRestart 17
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#define cbEndOfRestart 18
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#define cbStartOfReset 19
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#define cbEndOfReset 20
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#define cbEnterInteractive 21
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#define cbExitInteractive 22
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#define cbInteractiveScopeChange 23
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#define cbUnresolvedSystf 24
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extern vpiHandle vpi_register_cb(p_cb_data data);
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extern int vpi_remove_cb(vpiHandle ref);
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/*
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* This function allows a vpi application to control the simulation
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* engine. The operation parameter specifies the function to
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* perform. The remaining parameters (if any) are interpreted by the
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* operation. The vpi_sim_control definition was added to P1364-2000
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* 14 July 1999. See PLI Task Force ID: PTF-161
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*
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* vpiFinish - perform the $finish operation, as soon as the user
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* function returns. This operation takes a single
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* parameter, a diagnostic exit code.
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*
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* vpiStop -
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* vpiReset -
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* vpiSetInteractiveScope -
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*/
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extern void vpi_sim_control(int operation, ...);
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#define vpiStop 1
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#define vpiFinish 2
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#define vpiReset 3
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#define vpiSetInteractiveScope 4
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extern vpiHandle vpi_handle(int type, vpiHandle ref);
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extern vpiHandle vpi_iterate(int type, vpiHandle ref);
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extern vpiHandle vpi_scan(vpiHandle iter);
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extern vpiHandle vpi_handle_by_index(vpiHandle ref, int index);
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extern void vpi_get_time(vpiHandle obj, s_vpi_time*t);
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extern int vpi_get(int property, vpiHandle ref);
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extern char* vpi_get_str(int property, vpiHandle ref);
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extern void vpi_get_value(vpiHandle expr, p_vpi_value value);
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/*
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* This function puts a value into the object referenced by the
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* handle. This assumes that the value supports having its value
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* written to. The time parameter specifies when the assignment is to
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* take place. This allows you to schedule an assignment to happen in
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* the future.
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*
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* The flags value specifies the delay model to use in assigning the
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* value. This specifies how the time value is to be used.
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*
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* vpiNoDelay -- Set the value immediately. The p_vpi_time parameter
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* may be NULL, in this case. This is like a blocking assignment
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* in behavioral code.
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*
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* vpiInertialDelay -- Set the value using the transport delay. The
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* p_vpi_time parameter is required and specifies when the
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* assignment is to take place. This is like a non-blocking
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* assignment in behavioral code.
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*/
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extern vpiHandle vpi_put_value(vpiHandle obj, p_vpi_value value,
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p_vpi_time when, int flags);
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extern int vpi_free_object(vpiHandle ref);
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extern int vpi_get_vlog_info(p_vpi_vlog_info vlog_info_p);
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/* This is the table of startup routines included in each module. */
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extern DLLEXPORT void (*vlog_startup_routines[])();
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EXTERN_C_END
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/*
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* $Log: vpi_user.h,v $
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* Revision 1.6 2001/09/30 05:18:46 steve
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* Reduce VCD output by removing duplicates. (Stephan Boettcher)
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*
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* Revision 1.5 2001/05/20 15:09:40 steve
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* Mingw32 support (Venkat Iyer)
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*
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* Revision 1.4 2001/05/10 00:16:00 steve
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* Add the vpi_user strength definitions.
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*
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* Revision 1.3 2001/04/25 04:45:52 steve
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* Implement vpi_put_value for signals.
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*
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* Revision 1.2 2001/03/22 02:23:17 steve
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* fgetc patch from Peter Monta.
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*
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* Revision 1.1 2001/03/19 01:21:45 steve
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* vpi_user header file is a root header.
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*/
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#endif
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