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-rw-r--r--src/grt/grt-cvpi.c237
-rw-r--r--src/grt/grt-vpi.adb8
-rw-r--r--src/grt/grt-vpi.ads8
-rw-r--r--src/grt/vpi_thunk.c216
-rw-r--r--src/grt/vpi_thunk.h61
-rw-r--r--src/grt/vpi_user.h925
6 files changed, 1311 insertions, 144 deletions
diff --git a/src/grt/grt-cvpi.c b/src/grt/grt-cvpi.c
index 6f8420dbf..e122e1b4c 100644
--- a/src/grt/grt-cvpi.c
+++ b/src/grt/grt-cvpi.c
@@ -25,103 +25,53 @@
#include <stdio.h>
#include <stdlib.h>
-//-----------------------------------------------------------------------------
-// VPI callback functions
-typedef void *vpiHandle, *p_vpi_time, *p_vpi_value;
-typedef struct t_cb_data s_cb_data, *p_cb_data;
+/* Define PLI_PROTOTYPES so that vpi_user.h do not import functions. */
+#define PLI_PROTOTYPES
+#define PROTO_PARAMS(params) params
+#define XXTERN extern
+
+#include "vpi_user.h"
+#include "vpi_thunk.h"
+
+/* Extension of a shared library. */
+#if defined (WINNT)
+#define DSO_EXT ".dll"
+#elif defined (__APPLE__)
+#define DSO_EXT ".dylib"
+#else
+#define DSO_EXT ".so"
+#endif
-//-----------------------------------------------------------------------------
-// vpi thunking a la Icarus Verilog
-#include <stdarg.h>
-typedef void *s_vpi_time, *p_vpi_vlog_info, *p_vpi_error_info;
-#define VPI_THUNK_MAGIC (0x87836BA5)
-struct t_vpi_systf_data;
-void vpi_register_systf (const struct t_vpi_systf_data*ss);
-void vpi_vprintf (const char*fmt, va_list ap);
-unsigned int vpi_mcd_close (unsigned int mcd);
-char * vpi_mcd_name (unsigned int mcd);
-unsigned int vpi_mcd_open (char *name);
-unsigned int vpi_mcd_open_x (char *name, char *mode);
-int vpi_mcd_vprintf (unsigned int mcd, const char*fmt, va_list ap);
-int vpi_mcd_fputc (unsigned int mcd, unsigned char x);
-int vpi_mcd_fgetc (unsigned int mcd);
-vpiHandle vpi_register_cb (p_cb_data data);
-int vpi_remove_cb (vpiHandle ref);
-void vpi_sim_vcontrol (int operation, va_list ap);
-vpiHandle vpi_handle (int type, vpiHandle ref);
-vpiHandle vpi_iterate (int type, vpiHandle ref);
-vpiHandle vpi_scan (vpiHandle iter);
-vpiHandle vpi_handle_by_index (vpiHandle ref, int index);
-void vpi_get_time (vpiHandle obj, s_vpi_time*t);
-int vpi_get (int property, vpiHandle ref);
-char* vpi_get_str (int property, vpiHandle ref);
-void vpi_get_value (vpiHandle expr, p_vpi_value value);
-vpiHandle vpi_put_value (vpiHandle obj, p_vpi_value value,
- p_vpi_time when, int flags);
-int vpi_free_object (vpiHandle ref);
-int vpi_get_vlog_info (p_vpi_vlog_info vlog_info_p);
-int vpi_chk_error (p_vpi_error_info info);
-vpiHandle vpi_handle_by_name (char *name, vpiHandle scope);
-
-typedef struct {
- int magic;
- void (*vpi_register_systf) (const struct t_vpi_systf_data*ss);
- void (*vpi_vprintf) (const char*fmt, va_list ap);
- unsigned int (*vpi_mcd_close) (unsigned int mcd);
- char* (*vpi_mcd_name) (unsigned int mcd);
- unsigned int (*vpi_mcd_open) (char *name);
- unsigned int (*vpi_mcd_open_x) (char *name, char *mode);
- int (*vpi_mcd_vprintf) (unsigned int mcd, const char*fmt, va_list ap);
- int (*vpi_mcd_fputc) (unsigned int mcd, unsigned char x);
- int (*vpi_mcd_fgetc) (unsigned int mcd);
- vpiHandle (*vpi_register_cb) (p_cb_data data);
- int (*vpi_remove_cb) (vpiHandle ref);
- void (*vpi_sim_vcontrol) (int operation, va_list ap);
- vpiHandle (*vpi_handle) (int type, vpiHandle ref);
- vpiHandle (*vpi_iterate) (int type, vpiHandle ref);
- vpiHandle (*vpi_scan) (vpiHandle iter);
- vpiHandle (*vpi_handle_by_index)(vpiHandle ref, int index);
- void (*vpi_get_time) (vpiHandle obj, s_vpi_time*t);
- int (*vpi_get) (int property, vpiHandle ref);
- char* (*vpi_get_str) (int property, vpiHandle ref);
- void (*vpi_get_value) (vpiHandle expr, p_vpi_value value);
- vpiHandle (*vpi_put_value) (vpiHandle obj, p_vpi_value value,
- p_vpi_time when, int flags);
- int (*vpi_free_object) (vpiHandle ref);
- int (*vpi_get_vlog_info) (p_vpi_vlog_info vlog_info_p);
- int (*vpi_chk_error) (p_vpi_error_info info);
- vpiHandle (*vpi_handle_by_name) (char *name, vpiHandle scope);
-} vpi_thunk, *p_vpi_thunk;
-
-int vpi_register_sim(p_vpi_thunk tp);
-
-static vpi_thunk thunkTable =
-{ VPI_THUNK_MAGIC,
- vpi_register_systf,
- vpi_vprintf,
- vpi_mcd_close,
- vpi_mcd_name,
- vpi_mcd_open,
- 0, //vpi_mcd_open_x,
- 0, //vpi_mcd_vprintf,
- 0, //vpi_mcd_fputc,
- 0, //vpi_mcd_fgetc,
- vpi_register_cb,
- vpi_remove_cb,
- 0, //vpi_sim_vcontrol,
- vpi_handle,
- vpi_iterate,
- vpi_scan,
- vpi_handle_by_index,
- vpi_get_time,
- vpi_get,
- vpi_get_str,
- vpi_get_value,
- vpi_put_value,
- vpi_free_object,
- vpi_get_vlog_info,
- vpi_chk_error,
- vpi_handle_by_name
+extern PLI_INT32 vpi_control_np (int op, int status);
+
+static vpi_thunk __ghdl_vpi_thunk_v1 =
+{
+ vpi_register_systf,
+ vpi_vprintf,
+ vpi_mcd_close,
+ vpi_mcd_name,
+ vpi_mcd_open,
+ 0, //vpi_mcd_open_x,
+ 0, //vpi_mcd_vprintf,
+ 0, //vpi_mcd_fputc,
+ 0, //vpi_mcd_fgetc,
+ vpi_register_cb,
+ vpi_remove_cb,
+ 0, //vpi_sim_vcontrol,
+ vpi_handle,
+ vpi_iterate,
+ vpi_scan,
+ vpi_handle_by_index,
+ vpi_get_time,
+ vpi_get,
+ vpi_get_str,
+ vpi_get_value,
+ vpi_put_value,
+ vpi_free_object,
+ vpi_get_vlog_info,
+ vpi_chk_error,
+ vpi_handle_by_name,
+ vpi_control_np
};
//-----------------------------------------------------------------------------
@@ -183,19 +133,17 @@ module_error (void)
int
loadVpiModule (const char* modulename)
{
+ static const char libghdlvpi_name[] = "@executable_path/libghdlvpi" DSO_EXT;
+ static void *libghdlvpi_mod;
+
static const char * const vpitablenames[] =
{
"_vlog_startup_routines", // with leading underscore: MacOSX
"vlog_startup_routines" // w/o leading underscore: Linux
};
- static const char * const vpithunknames[] =
- {
- "_vpi_register_sim", // with leading underscore: MacOSX
- "vpi_register_sim" // w/o leading underscore: Linux
- };
int i;
- void* vpimod;
+ void *vpimod;
fprintf (stderr, "loading VPI module '%s'\n", modulename);
@@ -203,48 +151,50 @@ loadVpiModule (const char* modulename)
if (vpimod == NULL)
{
- const char *msg;
-
- msg = module_error ();
+ const char *msg = module_error ();
fprintf (stderr, "%s\n", msg == NULL ? "unknown dlopen error" : msg);
return -1;
}
- for (i = 0; i < 2; i++) // try with and w/o leading underscores
+ /* Try to load the libghdlvpi library and set the thunk.
+ No need to load the library several times. */
+ if (libghdlvpi_mod == NULL)
{
- void* vpithunk;
- void* vpitable;
-
- vpitable = module_symbol (vpimod, vpitablenames[i]);
- vpithunk = module_symbol (vpimod, vpithunknames[i]);
-
- if (vpithunk)
+ libghdlvpi_mod = module_open (libghdlvpi_name);
+ if (libghdlvpi_mod != NULL)
{
- typedef int (*funT)(p_vpi_thunk tp);
- funT regsim;
+ vpi_thunk **vpi_thunk_ptr;
- regsim = (funT)vpithunk;
- regsim (&thunkTable);
- }
- else
- {
- // this is not an error, as the register-mechanism
- // is not standardized
+ for (i = 0; i < 2; i++)
+ {
+ vpi_thunk_ptr = module_symbol (libghdlvpi_mod, &"_VPI_THUNK"[i]);
+
+ if (vpi_thunk_ptr != NULL)
+ {
+ *vpi_thunk_ptr = &__ghdl_vpi_thunk_v1;
+ break;
+ }
+ }
+ if (vpi_thunk_ptr == NULL)
+ fprintf (stderr, "warning: VPI_THUNK not found in %s\n",
+ libghdlvpi_name);
}
+ }
+
+ for (i = 0; i < 2; i++) // try with and w/o leading underscores
+ {
+ void *vpitable = module_symbol (vpimod, &"_vlog_startup_routines"[i]);
if (vpitable)
{
- unsigned int tmp;
- //extern void (*vlog_startup_routines[])();
+ unsigned int j;
typedef void (*vlog_startup_routines_t)(void);
vlog_startup_routines_t *vpifuns;
vpifuns = (vlog_startup_routines_t*)vpitable;
- for (tmp = 0; vpifuns[tmp]; tmp++)
- {
- vpifuns[tmp]();
- }
+ for (j = 0; vpifuns[j]; j++)
+ vpifuns[j]();
fprintf (stderr, "VPI module loaded!\n");
return 0; // successfully registered VPI module
@@ -254,21 +204,36 @@ loadVpiModule (const char* modulename)
return -1; // failed to register VPI module
}
-void
-vpi_vprintf (const char*fmt, va_list ap)
+PLI_INT32
+vpi_vprintf (char *fmt, va_list ap)
{
- vprintf (fmt, ap);
+ return vprintf (fmt, ap);
}
-void
-vpi_printf (const char *fmt, ...)
+PLI_INT32
+vpi_printf (char *fmt, ...)
{
va_list params;
+ PLI_INT32 res;
va_start (params, fmt);
- vprintf (fmt, params);
+ res = vprintf (fmt, params);
va_end (params);
+
+ return res;
}
-//-----------------------------------------------------------------------------
-// end of file
+PLI_INT32
+vpi_control (int op, ...)
+{
+ va_list params;
+ int status;
+ PLI_INT32 res;
+
+ va_start (params, op);
+ status = va_arg (params, int);
+ res = vpi_control_np (op, status);
+ va_end (params);
+
+ return res;
+}
diff --git a/src/grt/grt-vpi.adb b/src/grt/grt-vpi.adb
index b6742d092..7b62dae65 100644
--- a/src/grt/grt-vpi.adb
+++ b/src/grt/grt-vpi.adb
@@ -1532,8 +1532,7 @@ package body Grt.Vpi is
return 0;
end vpi_mcd_open;
- -- void vpi_register_systf(const struct t_vpi_systf_data*ss)
- procedure vpi_register_systf(aSs: System.Address)
+ function vpi_register_systf (aSs: System.Address) return vpiHandle
is
pragma Unreferenced (aSs);
begin
@@ -1541,6 +1540,7 @@ package body Grt.Vpi is
Trace_Start ("vpi_register_systf");
Trace_Newline;
end if;
+ return null;
end vpi_register_systf;
-- int vpi_remove_cb(vpiHandle ref)
@@ -1618,7 +1618,7 @@ package body Grt.Vpi is
return Err_Status;
end vpi_chk_error;
- function vpi_control (Op : Integer; Status : Integer) return Integer is
+ function vpi_control_np (Op : Integer; Status : Integer) return Integer is
begin
if Flag_Trace then
Trace_Start ("vpi_control (");
@@ -1637,7 +1637,7 @@ package body Grt.Vpi is
when others =>
return 0;
end case;
- end vpi_control;
+ end vpi_control_np;
------------------------------------------------------------------------------
-- * * * G H D L h o o k s * * * * * * * * * * * * * * * * * * * * * * *
diff --git a/src/grt/grt-vpi.ads b/src/grt/grt-vpi.ads
index a669632ca..3c8911e1d 100644
--- a/src/grt/grt-vpi.ads
+++ b/src/grt/grt-vpi.ads
@@ -269,8 +269,8 @@ package Grt.Vpi is
return vpiHandle;
pragma Export (C, vpi_put_value, "vpi_put_value");
- -- void vpi_register_systf(const struct t_vpi_systf_data*ss)
- procedure vpi_register_systf (aSs : Address);
+ -- vpiHandle vpi_register_systf(const struct t_vpi_systf_data*ss)
+ function vpi_register_systf (aSs : Address) return vpiHandle;
pragma Export (C, vpi_register_systf, "vpi_register_systf");
-- int vpi_remove_cb(vpiHandle ref)
@@ -301,8 +301,8 @@ package Grt.Vpi is
function vpi_chk_error (Info : p_vpi_error_info) return Integer;
pragma Export (C, vpi_chk_error);
- function vpi_control (Op : Integer; Status : Integer) return Integer;
- pragma Export (C, vpi_control);
+ function vpi_control_np (Op : Integer; Status : Integer) return Integer;
+ pragma Export (C, vpi_control_np);
-------------------------------------------------------------------------------
-- * * * G H D L h o o k s * * * * * * * * * * * * * * * * * * * * * * *
diff --git a/src/grt/vpi_thunk.c b/src/grt/vpi_thunk.c
new file mode 100644
index 000000000..bab1b7fad
--- /dev/null
+++ b/src/grt/vpi_thunk.c
@@ -0,0 +1,216 @@
+/* GHDL Run Time (GRT) - VPI thunks
+ Copyright (C) 2016 Tristan Gingold & Patrick Lehmann
+
+ GHDL is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2, or (at your option) any later
+ version.
+
+ GHDL 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 GCC; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
+
+ As a special exception, if other files instantiate generics from this
+ unit, or you link this unit with other files to produce an executable,
+ this unit does not by itself cause the resulting executable to be
+ covered by the GNU General Public License. This exception does not
+ however invalidate any other reasons why the executable file might be
+ covered by the GNU Public License.
+*/
+#include <stdarg.h>
+
+/* Define PLI_PROTOTYPES so that vpi_user.h do not import functions. */
+#define PLI_PROTOTYPES
+#define PROTO_PARAMS(params) params
+#define XXTERN extern
+
+#include "vpi_thunk.h"
+
+// the function pointer table
+vpi_thunk *VPI_THUNK;
+
+// stub functions for VPI
+vpiHandle
+vpi_register_systf (s_vpi_systf_data *s)
+{
+ return VPI_THUNK->vpi_register_systf (s);
+}
+
+int
+vpi_vprintf (char *fmt, va_list ap)
+{
+ return VPI_THUNK->vpi_vprintf (fmt, ap);
+}
+
+unsigned int
+vpi_mcd_close (unsigned int mcd)
+{
+ return VPI_THUNK->vpi_mcd_close (mcd);
+}
+
+char *
+vpi_mcd_name (unsigned int mcd)
+{
+ return VPI_THUNK->vpi_mcd_name (mcd);
+}
+
+unsigned int
+vpi_mcd_open (char *name)
+{
+ return VPI_THUNK->vpi_mcd_open (name);
+}
+
+unsigned int
+vpi_mcd_open_x (char *name, char *mode)
+{
+ return VPI_THUNK->vpi_mcd_open_x (name, mode);
+}
+
+int
+vpi_mcd_vprintf (unsigned int mcd, char *fmt, va_list ap)
+{
+ return VPI_THUNK->vpi_mcd_vprintf (mcd, fmt, ap);
+}
+
+int
+vpi_mcd_fputc (unsigned int mcd, unsigned char x)
+{
+ return VPI_THUNK->vpi_mcd_fputc (mcd, x);
+}
+
+int
+vpi_mcd_fgetc (unsigned int mcd)
+{
+ return VPI_THUNK->vpi_mcd_fgetc (mcd);
+}
+
+vpiHandle
+vpi_register_cb (p_cb_data data)
+{
+ return VPI_THUNK->vpi_register_cb (data);
+}
+
+int
+vpi_remove_cb (vpiHandle ref)
+{
+ return VPI_THUNK->vpi_remove_cb (ref);
+}
+
+void
+vpi_sim_vcontrol (int operation, va_list ap)
+{
+ return VPI_THUNK->vpi_sim_vcontrol (operation, ap);
+}
+
+vpiHandle
+vpi_handle (int type, vpiHandle ref)
+{
+ return VPI_THUNK->vpi_handle (type, ref);
+}
+
+vpiHandle
+vpi_iterate (int type, vpiHandle ref)
+{
+ return VPI_THUNK->vpi_iterate (type, ref);
+}
+
+vpiHandle
+vpi_scan (vpiHandle iter)
+{
+ return VPI_THUNK->vpi_scan (iter);
+}
+
+vpiHandle
+vpi_handle_by_index (vpiHandle ref, int index)
+{
+ return VPI_THUNK->vpi_handle_by_index (ref, index);
+}
+
+void
+vpi_get_time (vpiHandle obj, s_vpi_time *t)
+{
+ return VPI_THUNK->vpi_get_time (obj, t);
+}
+
+int
+vpi_get (int property, vpiHandle ref)
+{
+ return VPI_THUNK->vpi_get (property, ref);
+}
+
+char *
+vpi_get_str (int property, vpiHandle ref)
+{
+ return VPI_THUNK->vpi_get_str (property, ref);
+}
+
+void
+vpi_get_value (vpiHandle expr, p_vpi_value value)
+{
+ return VPI_THUNK->vpi_get_value (expr, value);
+}
+
+vpiHandle
+vpi_put_value (vpiHandle obj, p_vpi_value value, p_vpi_time when, int flags)
+{
+ return VPI_THUNK->vpi_put_value (obj, value, when, flags);
+}
+
+int
+vpi_free_object (vpiHandle ref)
+{
+ return VPI_THUNK->vpi_free_object (ref);
+}
+
+int
+vpi_get_vlog_info (p_vpi_vlog_info vlog_info_p)
+{
+ return VPI_THUNK->vpi_get_vlog_info (vlog_info_p);
+}
+
+int
+vpi_chk_error (p_vpi_error_info info)
+{
+ return VPI_THUNK->vpi_chk_error (info);
+}
+
+vpiHandle
+vpi_handle_by_name (char *name, vpiHandle scope)
+{
+ return VPI_THUNK->vpi_handle_by_name (name, scope);
+}
+
+
+int
+vpi_printf (char *fmt, ...)
+{
+ va_list params;
+ PLI_INT32 res;
+
+ va_start (params, fmt);
+ res = VPI_THUNK->vpi_vprintf (fmt, params);
+ va_end (params);
+
+ return res;
+}
+
+int
+vpi_control (int op, ...)
+{
+ va_list params;
+ int status;
+ PLI_INT32 res;
+
+ va_start (params, op);
+ status = va_arg (params, int);
+ res = VPI_THUNK->vpi_control_np (op, status);
+ va_end (params);
+
+ return res;
+}
diff --git a/src/grt/vpi_thunk.h b/src/grt/vpi_thunk.h
new file mode 100644
index 000000000..e8c36f843
--- /dev/null
+++ b/src/grt/vpi_thunk.h
@@ -0,0 +1,61 @@
+/* GHDL Run Time (GRT) - VPI thunks
+ Copyright (C) 2003 - 2016 Tristan Gingold & Felix Bertram
+
+ GHDL is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2, or (at your option) any later
+ version.
+
+ GHDL 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 GCC; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
+
+ As a special exception, if other files instantiate generics from this
+ unit, or you link this unit with other files to produce an executable,
+ this unit does not by itself cause the resulting executable to be
+ covered by the GNU General Public License. This exception does not
+ however invalidate any other reasons why the executable file might be
+ covered by the GNU Public License.
+*/
+
+/* VPI thunk is a GHDL structure used to interface between DLL/DSO and
+ GRT. This is in particular needed on Windows where undefined references
+ in DLL are not supported. */
+
+#include "vpi_user.h"
+
+typedef struct {
+ vpiHandle (*vpi_register_systf) (p_vpi_systf_data data);
+ int (*vpi_vprintf) (char *fmt, va_list ap);
+ PLI_UINT32 (*vpi_mcd_close) (PLI_UINT32 mcd);
+ char* (*vpi_mcd_name) (PLI_UINT32 mcd);
+ PLI_UINT32 (*vpi_mcd_open) (char *name);
+ PLI_UINT32 (*vpi_mcd_open_x) (char *name, char *mode);
+ int (*vpi_mcd_vprintf) (PLI_UINT32 mcd, char *fmt, va_list ap);
+ int (*vpi_mcd_fputc) (PLI_UINT32 mcd, unsigned char x);
+ int (*vpi_mcd_fgetc) (PLI_UINT32 mcd);
+ vpiHandle (*vpi_register_cb) (p_cb_data data);
+ int (*vpi_remove_cb) (vpiHandle ref);
+ void (*vpi_sim_vcontrol) (int operation, va_list ap);
+ vpiHandle (*vpi_handle) (int type, vpiHandle ref);
+ vpiHandle (*vpi_iterate) (int type, vpiHandle ref);
+ vpiHandle (*vpi_scan) (vpiHandle iter);
+ vpiHandle (*vpi_handle_by_index)(vpiHandle ref, int index);
+ void (*vpi_get_time) (vpiHandle obj, s_vpi_time*t);
+ int (*vpi_get) (int property, vpiHandle ref);
+ char* (*vpi_get_str) (int property, vpiHandle ref);
+ void (*vpi_get_value) (vpiHandle expr, p_vpi_value value);
+ vpiHandle (*vpi_put_value) (vpiHandle obj, p_vpi_value value,
+ p_vpi_time when, int flags);
+ int (*vpi_free_object) (vpiHandle ref);
+ int (*vpi_get_vlog_info) (p_vpi_vlog_info vlog_info_p);
+ int (*vpi_chk_error) (p_vpi_error_info info);
+ vpiHandle (*vpi_handle_by_name) (char *name, vpiHandle scope);
+ int (*vpi_control_np) (int op, int status);
+} vpi_thunk, *p_vpi_thunk;
diff --git a/src/grt/vpi_user.h b/src/grt/vpi_user.h
new file mode 100644
index 000000000..f5f169521
--- /dev/null
+++ b/src/grt/vpi_user.h
@@ -0,0 +1,925 @@
+/*******************************************************************************
+ * vpi_user.h
+ *
+ * IEEE 1364-2005 Verilog HDL Programming Language Interface (PLI)
+ *
+ * This file contains the constant definitions, structure definitions, and
+ * routine declarations used by the Verilog PLI procedural interface VPI
+ * access routines.
+ *
+ ******************************************************************************/
+
+/*******************************************************************************
+ * NOTE: the constant values 1 through 299 are reserved for use in this
+ * vpi_user.h file.
+ ******************************************************************************/
+
+#ifndef VPI_USER_H
+#define VPI_USER_H
+
+#include <stdarg.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*----------------------------------------------------------------------------*/
+/*----------------------------- Portability Help -----------------------------*/
+/*----------------------------------------------------------------------------*/
+
+/* Sized variables */
+
+#ifndef PLI_TYPES
+#define PLI_TYPES
+typedef int PLI_INT32;
+typedef unsigned int PLI_UINT32;
+typedef short PLI_INT16;
+typedef unsigned short PLI_UINT16;
+typedef char PLI_BYTE8;
+typedef unsigned char PLI_UBYTE8;
+#endif
+
+/* Use to export a symbol */
+
+#if defined (_MSC_VER)
+#ifndef PLI_DLLISPEC
+#define PLI_DLLISPEC __declspec(dllimport)
+#define VPI_USER_DEFINED_DLLISPEC 1
+#endif
+#else
+#ifndef PLI_DLLISPEC
+#define PLI_DLLISPEC
+#endif
+#endif
+
+/* Use to import a symbol */
+
+#if defined (_MSC_VER)
+#ifndef PLI_DLLESPEC
+#define PLI_DLLESPEC __declspec(dllexport)
+#define VPI_USER_DEFINED_DLLESPEC 1
+#endif
+#else
+#ifndef PLI_DLLESPEC
+#define PLI_DLLESPEC
+#endif
+#endif
+
+/* Use to mark a function as external */
+
+#ifndef PLI_EXTERN
+#define PLI_EXTERN
+#endif
+
+/* Use to mark a variable as external */
+
+#ifndef PLI_VEXTERN
+#define PLI_VEXTERN extern
+#endif
+
+#ifndef PLI_PROTOTYPES
+#define PLI_PROTOTYPES
+#define PROTO_PARAMS(params) params
+
+/* object is defined imported by the application */
+
+#define XXTERN PLI_EXTERN PLI_DLLISPEC
+
+/* object is exported by the application */
+
+#define EETERN PLI_EXTERN PLI_DLLESPEC
+#endif
+
+/********************************** TYPEDEFS **********************************/
+
+/*typedef PLI_UINT32 *vpiHandle; */
+typedef void *vpiHandle;
+
+/******************************** OBJECT TYPES ********************************/
+
+#define vpiAlways 1 /* always construct */
+#define vpiAssignStmt 2 /* quasi-continuous assignment */
+#define vpiAssignment 3 /* procedural assignment */
+#define vpiBegin 4 /* block statement */
+#define vpiCase 5 /* case statement */
+#define vpiCaseItem 6 /* case statement item */
+#define vpiConstant 7 /* numerical constant or literal string */
+#define vpiContAssign 8 /* continuous assignment */
+#define vpiDeassign 9 /* deassignment statement */
+#define vpiDefParam 10 /* defparam */
+#define vpiDelayControl 11 /* delay statement (e.g. #10) */
+#define vpiDisable 12 /* named block disable statement */
+#define vpiEventControl 13 /* wait on event, e.g. @e */
+#define vpiEventStmt 14 /* event trigger, e.g. ->e */
+#define vpiFor 15 /* for statement */
+#define vpiForce 16 /* force statement */
+#define vpiForever 17 /* forever statement */
+#define vpiFork 18 /* fork-join block */
+#define vpiFuncCall 19 /* HDL function call */
+#define vpiFunction 20 /* HDL function */
+#define vpiGate 21 /* primitive gate */
+#define vpiIf 22 /* if statement */
+#define vpiIfElse 23 /* if-else statement */
+#define vpiInitial 24 /* initial construct */
+#define vpiIntegerVar 25 /* integer variable */
+#define vpiInterModPath 26 /* intermodule wire delay */
+#define vpiIterator 27 /* iterator */
+#define vpiIODecl 28 /* input/output declaration */
+#define vpiMemory 29 /* behavioral memory */
+#define vpiMemoryWord 30 /* single word of memory */
+#define vpiModPath 31 /* module path for path delays */
+#define vpiModule 32 /* module instance */
+#define vpiNamedBegin 33 /* named block statement */
+#define vpiNamedEvent 34 /* event variable */
+#define vpiNamedFork 35 /* named fork-join block */
+#define vpiNet 36 /* scalar or vector net */
+#define vpiNetBit 37 /* bit of vector net */
+#define vpiNullStmt 38 /* a semicolon. Ie. #10 ; */
+#define vpiOperation 39 /* behavioral operation */
+#define vpiParamAssign 40 /* module parameter assignment */
+#define vpiParameter 41 /* module parameter */
+#define vpiPartSelect 42 /* part-select */
+#define vpiPathTerm 43 /* terminal of module path */
+#define vpiPort 44 /* module port */
+#define vpiPortBit 45 /* bit of vector module port */
+#define vpiPrimTerm 46 /* primitive terminal */
+#define vpiRealVar 47 /* real variable */
+#define vpiReg 48 /* scalar or vector reg */
+#define vpiRegBit 49 /* bit of vector reg */
+#define vpiRelease 50 /* release statement */
+#define vpiRepeat 51 /* repeat statement */
+#define vpiRepeatControl 52 /* repeat control in an assign stmt */
+#define vpiSchedEvent 53 /* vpi_put_value() event */
+#define vpiSpecParam 54 /* specparam */
+#define vpiSwitch 55 /* transistor switch */
+#define vpiSysFuncCall 56 /* system function call */
+#define vpiSysTaskCall 57 /* system task call */
+#define vpiTableEntry 58 /* UDP state table entry */
+#define vpiTask 59 /* HDL task */
+#define vpiTaskCall 60 /* HDL task call */
+#define vpiTchk 61 /* timing check */
+#define vpiTchkTerm 62 /* terminal of timing check */
+#define vpiTimeVar 63 /* time variable */
+#define vpiTimeQueue 64 /* simulation event queue */
+#define vpiUdp 65 /* user-defined primitive */
+#define vpiUdpDefn 66 /* UDP definition */
+#define vpiUserSystf 67 /* user defined system task or function */
+#define vpiVarSelect 68 /* variable array selection */
+#define vpiWait 69 /* wait statement */
+#define vpiWhile 70 /* while statement */
+
+/********************** object types added with 1364-2001 *********************/
+
+#define vpiAttribute 105 /* attribute of an object */
+#define vpiBitSelect 106 /* Bit-select of parameter, var select */
+#define vpiCallback 107 /* callback object */
+#define vpiDelayTerm 108 /* Delay term which is a load or driver */
+#define vpiDelayDevice 109 /* Delay object within a net */
+#define vpiFrame 110 /* reentrant task/func frame */
+#define vpiGateArray 111 /* gate instance array */
+#define vpiModuleArray 112 /* module instance array */
+#define vpiPrimitiveArray 113 /* vpiprimitiveArray type */
+#define vpiNetArray 114 /* multidimensional net */
+#define vpiRange 115 /* range declaration */
+#define vpiRegArray 116 /* multidimensional reg */
+#define vpiSwitchArray 117 /* switch instance array */
+#define vpiUdpArray 118 /* UDP instance array */
+#define vpiContAssignBit 128 /* Bit of a vector continuous assignment */
+#define vpiNamedEventArray 129 /* multidimensional named event */
+
+/********************** object types added with 1364-2005 *********************/
+
+#define vpiIndexedPartSelect 130 /* Indexed part-select object */
+#define vpiGenScopeArray 133 /* array of generated scopes */
+#define vpiGenScope 134 /* A generated scope */
+#define vpiGenVar 135 /* Object used to instantiate gen scopes */
+
+/*********************************** METHODS **********************************/
+/**************** methods used to traverse 1 to 1 relationships ***************/
+
+#define vpiCondition 71 /* condition expression */
+#define vpiDelay 72 /* net or gate delay */
+#define vpiElseStmt 73 /* else statement */
+#define vpiForIncStmt 74 /* increment statement in for loop */
+#define vpiForInitStmt 75 /* initialization statement in for loop */
+#define vpiHighConn 76 /* higher connection to port */
+#define vpiLhs 77 /* left-hand side of assignment */
+#define vpiIndex 78 /* index of var select, bit-select, etc. */
+#define vpiLeftRange 79 /* left range of vector or part-select */
+#define vpiLowConn 80 /* lower connection to port */
+#define vpiParent 81 /* parent object */
+#define vpiRhs 82 /* right-hand side of assignment */
+#define vpiRightRange 83 /* right range of vector or part-select */
+#define vpiScope 84 /* containing scope object */
+#define vpiSysTfCall 85 /* task function call */
+#define vpiTchkDataTerm 86 /* timing check data term */
+#define vpiTchkNotifier 87 /* timing check notifier */
+#define vpiTchkRefTerm 88 /* timing check reference term */
+
+/************* methods used to traverse 1 to many relationships ***************/
+
+#define vpiArgument 89 /* argument to (system) task/function */
+#define vpiBit 90 /* bit of vector net or port */
+#define vpiDriver 91 /* driver for a net */
+#define vpiInternalScope 92 /* internal scope in module */
+#define vpiLoad 93 /* load on net or reg */
+#define vpiModDataPathIn 94 /* data terminal of a module path */
+#define vpiModPathIn 95 /* Input terminal of a module path */
+#define vpiModPathOut 96 /* output terminal of a module path */
+#define vpiOperand 97 /* operand of expression */
+#define vpiPortInst 98 /* connected port instance */
+#define vpiProcess 99 /* process in module */
+#define vpiVariables 100 /* variables in module */
+#define vpiUse 101 /* usage */
+
+/******** methods which can traverse 1 to 1, or 1 to many relationships *******/
+
+#define vpiExpr 102 /* connected expression */
+#define vpiPrimitive 103 /* primitive (gate, switch, UDP) */
+#define vpiStmt 104 /* statement in process or task */
+
+/************************ methods added with 1364-2001 ************************/
+
+#define vpiActiveTimeFormat 119 /* active $timeformat() system task */
+#define vpiInTerm 120 /* To get to a delay device's drivers. */
+#define vpiInstanceArray 121 /* vpiInstance arrays */
+#define vpiLocalDriver 122 /* local drivers (within a module */
+#define vpiLocalLoad 123 /* local loads (within a module */
+#define vpiOutTerm 124 /* To get to a delay device's loads. */
+#define vpiPorts 125 /* Module port */
+#define vpiSimNet 126 /* simulated net after collapsing */
+#define vpiTaskFunc 127 /* HDL task or function */
+
+/************************ methods added with 1364-2005 ************************/
+
+#define vpiBaseExpr 131 /* Indexed part-select's base expression */
+#define vpiWidthExpr 132 /* Indexed part-select's width expression */
+
+/********************************* PROPERTIES *********************************/
+/************************** generic object properties *************************/
+
+#define vpiUndefined -1 /* undefined property */
+#define vpiType 1 /* type of object */
+#define vpiName 2 /* local name of object */
+#define vpiFullName 3 /* full hierarchical name */
+#define vpiSize 4 /* size of gate, net, port, etc. */
+#define vpiFile 5 /* File name in which the object is used*/
+#define vpiLineNo 6 /* line number where the object is used */
+
+/***************************** module properties ******************************/
+
+#define vpiTopModule 7 /* top-level module (boolean) */
+#define vpiCellInstance 8 /* cell (boolean) */
+#define vpiDefName 9 /* module definition name */
+#define vpiProtected 10 /* source protected module (boolean) */
+#define vpiTimeUnit 11 /* module time unit */
+#define vpiTimePrecision 12 /* module time precision */
+#define vpiDefNetType 13 /* default net type */
+#define vpiUnconnDrive 14 /* unconnected port drive strength */
+#define vpiHighZ 1 /* No default drive given */
+#define vpiPull1 2 /* default pull1 drive */
+#define vpiPull0 3 /* default pull0 drive */
+#define vpiDefFile 15 /* File name where the module is defined*/
+#define vpiDefLineNo 16 /* line number for module definition */
+#define vpiDefDelayMode 47 /* Default delay mode for a module */
+#define vpiDelayModeNone 1 /* no delay mode specified */
+#define vpiDelayModePath 2 /* path delay mode */
+#define vpiDelayModeDistrib 3 /* distributed delay mode */
+#define vpiDelayModeUnit 4 /* unit delay mode */
+#define vpiDelayModeZero 5 /* zero delay mode */
+#define vpiDelayModeMTM 6 /* min:typ:max delay mode */
+#define vpiDefDecayTime 48 /* Default decay time for a module */
+
+/*************************** port and net properties **************************/
+
+#define vpiScalar 17 /* scalar (boolean) */
+#define vpiVector 18 /* vector (boolean) */
+#define vpiExplicitName 19 /* port is explicitly named */
+#define vpiDirection 20 /* direction of port: */
+#define vpiInput 1 /* input */
+#define vpiOutput 2 /* output */
+#define vpiInout 3 /* inout */
+#define vpiMixedIO 4 /* mixed input-output */
+#define vpiNoDirection 5 /* no direction */
+#define vpiConnByName 21 /* connected by name (boolean) */
+
+#define vpiNetType 22 /* net subtypes: */
+#define vpiWire 1 /* wire net */
+#define vpiWand 2 /* wire-and net */
+#define vpiWor 3 /* wire-or net */
+#define vpiTri 4 /* three-state net */
+#define vpiTri0 5 /* pull-down net */
+#define vpiTri1 6 /* pull-up net */
+#define vpiTriReg 7 /* tri state reg net */
+#define vpiTriAnd 8 /* three-state wire-and net */
+#define vpiTriOr 9 /* three-state wire-or net */
+#define vpiSupply1 10 /* supply 1 net */
+#define vpiSupply0 11 /* supply zero net */
+#define vpiNone 12 /* no default net type (1364-2001) */
+#define vpiUwire 13 /* unresolved wire net (1364-2005) */
+
+#define vpiExplicitScalared 23 /* explicitly scalared (boolean) */
+#define vpiExplicitVectored 24 /* explicitly vectored (boolean) */
+#define vpiExpanded 25 /* expanded vector net (boolean) */
+#define vpiImplicitDecl 26 /* implicitly declared net (boolean) */
+#define vpiChargeStrength 27 /* charge decay strength of net */
+
+/* Defined as part of strengths section.
+#define vpiLargeCharge 0x10
+#define vpiMediumCharge 0x04
+#define vpiSmallCharge 0x02
+*/
+
+#define vpiArray 28 /* variable array (boolean) */
+#define vpiPortIndex 29 /* Port index */
+
+/************************ gate and terminal properties ************************/
+
+#define vpiTermIndex 30 /* Index of a primitive terminal */
+#define vpiStrength0 31 /* 0-strength of net or gate */
+#define vpiStrength1 32 /* 1-strength of net or gate */
+#define vpiPrimType 33 /* prmitive subtypes: */
+#define vpiAndPrim 1 /* and gate */
+#define vpiNandPrim 2 /* nand gate */
+#define vpiNorPrim 3 /* nor gate */
+#define vpiOrPrim 4 /* or gate */
+#define vpiXorPrim 5 /* xor gate */
+#define vpiXnorPrim 6 /* xnor gate */
+#define vpiBufPrim 7 /* buffer */
+#define vpiNotPrim 8 /* not gate */
+#define vpiBufif0Prim 9 /* zero-enabled buffer */
+#define vpiBufif1Prim 10 /* one-enabled buffer */
+#define vpiNotif0Prim 11 /* zero-enabled not gate */
+#define vpiNotif1Prim 12 /* one-enabled not gate */
+#define vpiNmosPrim 13 /* nmos switch */
+#define vpiPmosPrim 14 /* pmos switch */
+#define vpiCmosPrim 15 /* cmos switch */
+#define vpiRnmosPrim 16 /* resistive nmos switch */
+#define vpiRpmosPrim 17 /* resistive pmos switch */
+#define vpiRcmosPrim 18 /* resistive cmos switch */
+#define vpiRtranPrim 19 /* resistive bidirectional */
+#define vpiRtranif0Prim 20 /* zero-enable resistive bidirectional */
+#define vpiRtranif1Prim 21 /* one-enable resistive bidirectional */
+#define vpiTranPrim 22 /* bidirectional */
+#define vpiTranif0Prim 23 /* zero-enabled bidirectional */
+#define vpiTranif1Prim 24 /* one-enabled bidirectional */
+#define vpiPullupPrim 25 /* pullup */
+#define vpiPulldownPrim 26 /* pulldown */
+#define vpiSeqPrim 27 /* sequential UDP */
+#define vpiCombPrim 28 /* combinational UDP */
+
+/**************** path, path terminal, timing check properties ****************/
+
+#define vpiPolarity 34 /* polarity of module path... */
+#define vpiDataPolarity 35 /* ...or data path: */
+#define vpiPositive 1 /* positive */
+#define vpiNegative 2 /* negative */
+#define vpiUnknown 3 /* unknown (unspecified) */
+
+#define vpiEdge 36 /* edge type of module path: */
+#define vpiNoEdge 0x00 /* no edge */
+#define vpiEdge01 0x01 /* 0 -> 1 */
+#define vpiEdge10 0x02 /* 1 -> 0 */
+#define vpiEdge0x 0x04 /* 0 -> x */
+#define vpiEdgex1 0x08 /* x -> 1 */
+#define vpiEdge1x 0x10 /* 1 -> x */
+#define vpiEdgex0 0x20 /* x -> 0 */
+#define vpiPosedge (vpiEdgex1 | vpiEdge01 | vpiEdge0x)
+#define vpiNegedge (vpiEdgex0 | vpiEdge10 | vpiEdge1x)
+#define vpiAnyEdge (vpiPosedge | vpiNegedge)
+
+#define vpiPathType 37 /* path delay connection subtypes: */
+#define vpiPathFull 1 /* ( a *> b ) */
+#define vpiPathParallel 2 /* ( a => b ) */
+
+#define vpiTchkType 38 /* timing check subtypes: */
+#define vpiSetup 1 /* $setup */
+#define vpiHold 2 /* $hold */
+#define vpiPeriod 3 /* $period */
+#define vpiWidth 4 /* $width */
+#define vpiSkew 5 /* $skew */
+#define vpiRecovery 6 /* $recovery */
+#define vpiNoChange 7 /* $nochange */
+#define vpiSetupHold 8 /* $setuphold */
+#define vpiFullskew 9 /* $fullskew -- added for 1364-2001 */
+#define vpiRecrem 10 /* $recrem -- added for 1364-2001 */
+#define vpiRemoval 11 /* $removal -- added for 1364-2001 */
+#define vpiTimeskew 12 /* $timeskew -- added for 1364-2001 */
+
+/**************************** expression properties ***************************/
+
+#define vpiOpType 39 /* operation subtypes: */
+#define vpiMinusOp 1 /* unary minus */
+#define vpiPlusOp 2 /* unary plus */
+#define vpiNotOp 3 /* unary not */
+#define vpiBitNegOp 4 /* bitwise negation */
+#define vpiUnaryAndOp 5 /* bitwise reduction and */
+#define vpiUnaryNandOp 6 /* bitwise reduction nand */
+#define vpiUnaryOrOp 7 /* bitwise reduction or */
+#define vpiUnaryNorOp 8 /* bitwise reduction nor */
+#define vpiUnaryXorOp 9 /* bitwise reduction xor */
+#define vpiUnaryXNorOp 10 /* bitwise reduction xnor */
+#define vpiSubOp 11 /* binary subtraction */
+#define vpiDivOp 12 /* binary division */
+#define vpiModOp 13 /* binary modulus */
+#define vpiEqOp 14 /* binary equality */
+#define vpiNeqOp 15 /* binary inequality */
+#define vpiCaseEqOp 16 /* case (x and z) equality */
+#define vpiCaseNeqOp 17 /* case inequality */
+#define vpiGtOp 18 /* binary greater than */
+#define vpiGeOp 19 /* binary greater than or equal */
+#define vpiLtOp 20 /* binary less than */
+#define vpiLeOp 21 /* binary less than or equal */
+#define vpiLShiftOp 22 /* binary left shift */
+#define vpiRShiftOp 23 /* binary right shift */
+#define vpiAddOp 24 /* binary addition */
+#define vpiMultOp 25 /* binary multiplication */
+#define vpiLogAndOp 26 /* binary logical and */
+#define vpiLogOrOp 27 /* binary logical or */
+#define vpiBitAndOp 28 /* binary bitwise and */
+#define vpiBitOrOp 29 /* binary bitwise or */
+#define vpiBitXorOp 30 /* binary bitwise xor */
+#define vpiBitXNorOp 31 /* binary bitwise xnor */
+#define vpiBitXnorOp vpiBitXNorOp /* added with 1364-2001 */
+#define vpiConditionOp 32 /* ternary conditional */
+#define vpiConcatOp 33 /* n-ary concatenation */
+#define vpiMultiConcatOp 34 /* repeated concatenation */
+#define vpiEventOrOp 35 /* event or */
+#define vpiNullOp 36 /* null operation */
+#define vpiListOp 37 /* list of expressions */
+#define vpiMinTypMaxOp 38 /* min:typ:max: delay expression */
+#define vpiPosedgeOp 39 /* posedge */
+#define vpiNegedgeOp 40 /* negedge */
+#define vpiArithLShiftOp 41 /* arithmetic left shift (1364-2001) */
+#define vpiArithRShiftOp 42 /* arithmetic right shift (1364-2001) */
+#define vpiPowerOp 43 /* arithmetic power op (1364-2001) */
+
+#define vpiConstType 40 /* constant subtypes: */
+#define vpiDecConst 1 /* decimal integer */
+#define vpiRealConst 2 /* real */
+#define vpiBinaryConst 3 /* binary integer */
+#define vpiOctConst 4 /* octal integer */
+#define vpiHexConst 5 /* hexadecimal integer */
+#define vpiStringConst 6 /* string literal */
+#define vpiIntConst 7 /* HDL integer constant (1364-2001) */
+
+#define vpiBlocking 41 /* blocking assignment (boolean) */
+#define vpiCaseType 42 /* case statement subtypes: */
+#define vpiCaseExact 1 /* exact match */
+#define vpiCaseX 2 /* ignore X's */
+#define vpiCaseZ 3 /* ignore Z's */
+#define vpiNetDeclAssign 43 /* assign part of decl (boolean) */
+
+/************************** task/function properties **************************/
+
+#define vpiFuncType 44 /* HDL function & system function type */
+#define vpiIntFunc 1 /* returns integer */
+#define vpiRealFunc 2 /* returns real */
+#define vpiTimeFunc 3 /* returns time */
+#define vpiSizedFunc 4 /* returns an arbitrary size */
+#define vpiSizedSignedFunc 5 /* returns sized signed value */
+
+/** alias 1364-1995 system function subtypes to 1364-2001 function subtypes ***/
+
+#define vpiSysFuncType vpiFuncType
+#define vpiSysFuncInt vpiIntFunc
+#define vpiSysFuncReal vpiRealFunc
+#define vpiSysFuncTime vpiTimeFunc
+#define vpiSysFuncSized vpiSizedFunc
+
+#define vpiUserDefn 45 /*user defined system task/func(boolean)*/
+#define vpiScheduled 46 /* object still scheduled (boolean) */
+
+/*********************** properties added with 1364-2001 **********************/
+
+#define vpiActive 49 /* reentrant task/func frame is active */
+#define vpiAutomatic 50 /* task/func obj is automatic */
+#define vpiCell 51 /* configuration cell */
+#define vpiConfig 52 /* configuration config file */
+#define vpiConstantSelect 53 /* (boolean) bit-select or part-select
+ indices are constant expressions */
+#define vpiDecompile 54 /* decompile the object */
+#define vpiDefAttribute 55 /* Attribute defined for the obj */
+#define vpiDelayType 56 /* delay subtype */
+#define vpiModPathDelay 1 /* module path delay */
+#define vpiInterModPathDelay 2 /* intermodule path delay */
+#define vpiMIPDelay 3 /* module input port delay */
+#define vpiIteratorType 57 /* object type of an iterator */
+#define vpiLibrary 58 /* configuration library */
+#define vpiMultiArray 59 /* Object is a multidimensional array */
+#define vpiOffset 60 /* offset from LSB */
+#define vpiResolvedNetType 61 /* net subtype after resolution, returns
+ same subtypes as vpiNetType */
+#define vpiSaveRestartID 62 /* unique ID for save/restart data */
+#define vpiSaveRestartLocation 63 /* name of save/restart data file */
+#define vpiValid 64 /* reentrant task/func frame is valid */
+#define vpiSigned 65 /* TRUE for vpiIODecl and any object in
+ the expression class if the object
+ has the signed attribute */
+#define vpiLocalParam 70 /* TRUE when a param is declared as a
+ localparam */
+#define vpiModPathHasIfNone 71 /* Mod path has an ifnone statement */
+
+/*********************** properties added with 1364-2005 **********************/
+
+#define vpiIndexedPartSelectType 72 /* Indexed part-select type */
+#define vpiPosIndexed 1 /* +: */
+#define vpiNegIndexed 2 /* -: */
+#define vpiIsMemory 73 /* TRUE for a one-dimensional reg array */
+
+/*************** vpi_control() constants (added with 1364-2001) ***************/
+
+#define vpiStop 66 /* execute simulator's $stop */
+#define vpiFinish 67 /* execute simulator's $finish */
+#define vpiReset 68 /* execute simulator's $reset */
+#define vpiSetInteractiveScope 69 /* set simulator's interactive scope */
+
+/**************************** I/O related defines *****************************/
+
+#define VPI_MCD_STDOUT 0x00000001
+
+/*************************** STRUCTURE DEFINITIONS ****************************/
+
+/******************************* time structure *******************************/
+
+typedef struct t_vpi_time
+{
+ PLI_INT32 type; /* [vpiScaledRealTime, vpiSimTime,
+ vpiSuppressTime] */
+ PLI_UINT32 high, low; /* for vpiSimTime */
+ double real; /* for vpiScaledRealTime */
+} s_vpi_time, *p_vpi_time;
+
+/* time types */
+
+#define vpiScaledRealTime 1
+#define vpiSimTime 2
+#define vpiSuppressTime 3
+
+/****************************** delay structures ******************************/
+
+typedef struct t_vpi_delay
+{
+ struct t_vpi_time *da; /* pointer to user allocated array of
+ delay values */
+ PLI_INT32 no_of_delays; /* number of delays */
+ PLI_INT32 time_type; /* [vpiScaledRealTime, vpiSimTime,
+ vpiSuppressTime] */
+ PLI_INT32 mtm_flag; /* true for mtm values */
+ PLI_INT32 append_flag; /* true for append */
+ PLI_INT32 pulsere_flag; /* true for pulsere values */
+} s_vpi_delay, *p_vpi_delay;
+
+/***************************** value structures *******************************/
+
+/* vector value */
+
+#ifndef VPI_VECVAL /* added in 1364-2005 */
+#define VPI_VECVAL
+
+typedef struct t_vpi_vecval
+{
+ /* following fields are repeated enough times to contain vector */
+ PLI_INT32 aval, bval; /* bit encoding: ab: 00=0, 10=1, 11=X, 01=Z */
+} s_vpi_vecval, *p_vpi_vecval;
+
+#endif
+
+/* strength (scalar) value */
+
+typedef struct t_vpi_strengthval
+{
+ PLI_INT32 logic; /* vpi[0,1,X,Z] */
+ PLI_INT32 s0, s1; /* refer to strength coding below */
+} s_vpi_strengthval, *p_vpi_strengthval;
+
+/* strength values */
+
+#define vpiSupplyDrive 0x80
+#define vpiStrongDrive 0x40
+#define vpiPullDrive 0x20
+#define vpiWeakDrive 0x08
+#define vpiLargeCharge 0x10
+#define vpiMediumCharge 0x04
+#define vpiSmallCharge 0x02
+#define vpiHiZ 0x01
+
+/* generic value */
+
+typedef struct t_vpi_value
+{
+ PLI_INT32 format; /* vpi[[Bin,Oct,Dec,Hex]Str,Scalar,Int,Real,String,
+ Vector,Strength,Suppress,Time,ObjType]Val */
+ union
+ {
+ PLI_BYTE8 *str; /* string value */
+ PLI_INT32 scalar; /* vpi[0,1,X,Z] */
+ PLI_INT32 integer; /* integer value */
+ double real; /* real value */
+ struct t_vpi_time *time; /* time value */
+ struct t_vpi_vecval *vector; /* vector value */
+ struct t_vpi_strengthval *strength; /* strength value */
+ PLI_BYTE8 *misc; /* ...other */
+ } value;
+} s_vpi_value, *p_vpi_value;
+
+/* value formats */
+
+#define vpiBinStrVal 1
+#define vpiOctStrVal 2
+#define vpiDecStrVal 3
+#define vpiHexStrVal 4
+#define vpiScalarVal 5
+#define vpiIntVal 6
+#define vpiRealVal 7
+#define vpiStringVal 8
+#define vpiVectorVal 9
+#define vpiStrengthVal 10
+#define vpiTimeVal 11
+#define vpiObjTypeVal 12
+#define vpiSuppressVal 13
+
+/* delay modes */
+
+#define vpiNoDelay 1
+#define vpiInertialDelay 2
+#define vpiTransportDelay 3
+#define vpiPureTransportDelay 4
+
+/* force and release flags */
+
+#define vpiForceFlag 5
+#define vpiReleaseFlag 6
+
+/* scheduled event cancel flag */
+
+#define vpiCancelEvent 7
+
+/* bit mask for the flags argument to vpi_put_value() */
+
+#define vpiReturnEvent 0x1000
+
+/* scalar values */
+
+#define vpi0 0
+#define vpi1 1
+#define vpiZ 2
+#define vpiX 3
+#define vpiH 4
+#define vpiL 5
+#define vpiDontCare 6
+/*
+#define vpiNoChange 7 Defined under vpiTchkType, but
+ can be used here.
+*/
+
+/*********************** system task/function structure ***********************/
+
+typedef struct t_vpi_systf_data
+{
+ PLI_INT32 type; /* vpiSysTask, vpiSysFunc */
+ PLI_INT32 sysfunctype; /* vpiSysTask, vpi[Int,Real,Time,Sized,
+ SizedSigned]Func */
+ PLI_BYTE8 *tfname; /* first character must be '$' */
+ PLI_INT32 (*calltf)(PLI_BYTE8 *);
+ PLI_INT32 (*compiletf)(PLI_BYTE8 *);
+ PLI_INT32 (*sizetf)(PLI_BYTE8 *); /* for sized function callbacks only */
+ PLI_BYTE8 *user_data;
+} s_vpi_systf_data, *p_vpi_systf_data;
+
+#define vpiSysTask 1
+#define vpiSysFunc 2
+
+/* the subtypes are defined under the vpiFuncType property */
+
+/****************** Verilog execution information structure *******************/
+
+typedef struct t_vpi_vlog_info
+{
+ PLI_INT32 argc;
+ PLI_BYTE8 **argv;
+ PLI_BYTE8 *product;
+ PLI_BYTE8 *version;
+} s_vpi_vlog_info, *p_vpi_vlog_info;
+
+/*********************** PLI error information structure **********************/
+
+typedef struct t_vpi_error_info
+{
+ PLI_INT32 state; /* vpi[Compile,PLI,Run] */
+ PLI_INT32 level; /* vpi[Notice,Warning,Error,System,Internal] */
+ PLI_BYTE8 *message;
+ PLI_BYTE8 *product;
+ PLI_BYTE8 *code;
+ PLI_BYTE8 *file;
+ PLI_INT32 line;
+} s_vpi_error_info, *p_vpi_error_info;
+
+/* state when error occurred */
+
+#define vpiCompile 1
+#define vpiPLI 2
+#define vpiRun 3
+
+/* error severity levels */
+
+#define vpiNotice 1
+#define vpiWarning 2
+#define vpiError 3
+#define vpiSystem 4
+#define vpiInternal 5
+
+/**************************** callback structures *****************************/
+
+/* normal callback structure */
+
+typedef struct t_cb_data
+{
+ PLI_INT32 reason; /* callback reason */
+ PLI_INT32 (*cb_rtn)(struct t_cb_data *); /* call routine */
+ vpiHandle obj; /* trigger object */
+ p_vpi_time time; /* callback time */
+ p_vpi_value value; /* trigger object value */
+ PLI_INT32 index; /* index of the memory word or
+ var select that changed */
+ PLI_BYTE8 *user_data;
+} s_cb_data, *p_cb_data;
+
+/****************************** CALLBACK REASONS ******************************/
+/***************************** Simulation related *****************************/
+
+#define cbValueChange 1
+#define cbStmt 2
+#define cbForce 3
+#define cbRelease 4
+
+/******************************** Time related ********************************/
+
+#define cbAtStartOfSimTime 5
+#define cbReadWriteSynch 6
+#define cbReadOnlySynch 7
+#define cbNextSimTime 8
+#define cbAfterDelay 9
+
+/******************************* Action related *******************************/
+
+#define cbEndOfCompile 10
+#define cbStartOfSimulation 11
+#define cbEndOfSimulation 12
+#define cbError 13
+#define cbTchkViolation 14
+#define cbStartOfSave 15
+#define cbEndOfSave 16
+#define cbStartOfRestart 17
+#define cbEndOfRestart 18
+#define cbStartOfReset 19
+#define cbEndOfReset 20
+#define cbEnterInteractive 21
+#define cbExitInteractive 22
+#define cbInteractiveScopeChange 23
+#define cbUnresolvedSystf 24
+
+/**************************** Added with 1364-2001 ****************************/
+
+#define cbAssign 25
+#define cbDeassign 26
+#define cbDisable 27
+#define cbPLIError 28
+#define cbSignal 29
+
+/**************************** FUNCTION DECLARATIONS ***************************/
+
+/* callback related */
+
+XXTERN vpiHandle vpi_register_cb PROTO_PARAMS((p_cb_data cb_data_p));
+XXTERN PLI_INT32 vpi_remove_cb PROTO_PARAMS((vpiHandle cb_obj));
+XXTERN void vpi_get_cb_info PROTO_PARAMS((vpiHandle object,
+ p_cb_data cb_data_p));
+XXTERN vpiHandle vpi_register_systf PROTO_PARAMS((p_vpi_systf_data
+ systf_data_p));
+XXTERN void vpi_get_systf_info PROTO_PARAMS((vpiHandle object,
+ p_vpi_systf_data
+ systf_data_p));
+
+/* for obtaining handles */
+
+XXTERN vpiHandle vpi_handle_by_name PROTO_PARAMS((PLI_BYTE8 *name,
+ vpiHandle scope));
+XXTERN vpiHandle vpi_handle_by_index PROTO_PARAMS((vpiHandle object,
+ PLI_INT32 indx));
+
+/* for traversing relationships */
+
+XXTERN vpiHandle vpi_handle PROTO_PARAMS((PLI_INT32 type,
+ vpiHandle refHandle));
+XXTERN vpiHandle vpi_handle_multi PROTO_PARAMS((PLI_INT32 type,
+ vpiHandle refHandle1,
+ vpiHandle refHandle2,
+ ... ));
+XXTERN vpiHandle vpi_iterate PROTO_PARAMS((PLI_INT32 type,
+ vpiHandle refHandle));
+XXTERN vpiHandle vpi_scan PROTO_PARAMS((vpiHandle iterator));
+
+/* for processing properties */
+
+XXTERN PLI_INT32 vpi_get PROTO_PARAMS((PLI_INT32 property,
+ vpiHandle object));
+XXTERN PLI_BYTE8 *vpi_get_str PROTO_PARAMS((PLI_INT32 property,
+ vpiHandle object));
+
+/* delay processing */
+
+XXTERN void vpi_get_delays PROTO_PARAMS((vpiHandle object,
+ p_vpi_delay delay_p));
+XXTERN void vpi_put_delays PROTO_PARAMS((vpiHandle object,
+ p_vpi_delay delay_p));
+
+/* value processing */
+
+XXTERN void vpi_get_value PROTO_PARAMS((vpiHandle expr,
+ p_vpi_value value_p));
+XXTERN vpiHandle vpi_put_value PROTO_PARAMS((vpiHandle object,
+ p_vpi_value value_p,
+ p_vpi_time time_p,
+ PLI_INT32 flags));
+
+/* time processing */
+
+XXTERN void vpi_get_time PROTO_PARAMS((vpiHandle object,
+ p_vpi_time time_p));
+
+/* I/O routines */
+
+XXTERN PLI_UINT32 vpi_mcd_open PROTO_PARAMS((PLI_BYTE8 *fileName));
+XXTERN PLI_UINT32 vpi_mcd_close PROTO_PARAMS((PLI_UINT32 mcd));
+XXTERN PLI_BYTE8 *vpi_mcd_name PROTO_PARAMS((PLI_UINT32 cd));
+XXTERN PLI_INT32 vpi_mcd_printf PROTO_PARAMS((PLI_UINT32 mcd,
+ PLI_BYTE8 *format,
+ ...));
+XXTERN PLI_INT32 vpi_printf PROTO_PARAMS((PLI_BYTE8 *format,
+ ...));
+
+/* utility routines */
+
+XXTERN PLI_INT32 vpi_compare_objects PROTO_PARAMS((vpiHandle object1,
+ vpiHandle object2));
+XXTERN PLI_INT32 vpi_chk_error PROTO_PARAMS((p_vpi_error_info
+ error_info_p));
+XXTERN PLI_INT32 vpi_free_object PROTO_PARAMS((vpiHandle object));
+XXTERN PLI_INT32 vpi_get_vlog_info PROTO_PARAMS((p_vpi_vlog_info
+ vlog_info_p));
+
+/* routines added with 1364-2001 */
+
+XXTERN PLI_INT32 vpi_get_data PROTO_PARAMS((PLI_INT32 id,
+ PLI_BYTE8 *dataLoc,
+ PLI_INT32 numOfBytes));
+XXTERN PLI_INT32 vpi_put_data PROTO_PARAMS((PLI_INT32 id,
+ PLI_BYTE8 *dataLoc,
+ PLI_INT32 numOfBytes));
+XXTERN void *vpi_get_userdata PROTO_PARAMS((vpiHandle obj));
+XXTERN PLI_INT32 vpi_put_userdata PROTO_PARAMS((vpiHandle obj,
+ void *userdata));
+XXTERN PLI_INT32 vpi_vprintf PROTO_PARAMS((PLI_BYTE8 *format,
+ va_list ap));
+XXTERN PLI_INT32 vpi_mcd_vprintf PROTO_PARAMS((PLI_UINT32 mcd,
+ PLI_BYTE8 *format,
+ va_list ap));
+XXTERN PLI_INT32 vpi_flush PROTO_PARAMS((void));
+XXTERN PLI_INT32 vpi_mcd_flush PROTO_PARAMS((PLI_UINT32 mcd));
+XXTERN PLI_INT32 vpi_control PROTO_PARAMS((PLI_INT32 operation,
+ ...));
+XXTERN vpiHandle vpi_handle_by_multi_index PROTO_PARAMS((vpiHandle obj,
+ PLI_INT32 num_index,
+ PLI_INT32 *index_array));
+
+/****************************** GLOBAL VARIABLES ******************************/
+
+PLI_VEXTERN PLI_DLLESPEC void (*vlog_startup_routines[])();
+
+ /* array of function pointers, last pointer should be null */
+
+#undef PLI_EXTERN
+#undef PLI_VEXTERN
+
+#ifdef VPI_USER_DEFINED_DLLISPEC
+#undef VPI_USER_DEFINED_DLLISPEC
+#undef PLI_DLLISPEC
+#endif
+#ifdef VPI_USER_DEFINED_DLLESPEC
+#undef VPI_USER_DEFINED_DLLESPEC
+#undef PLI_DLLESPEC
+#endif
+
+#ifdef PLI_PROTOTYPES
+#undef PLI_PROTOTYPES
+#undef PROTO_PARAMS
+#undef XXTERN
+#undef EETERN
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* VPI_USER_H */