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Add support for $rtoi

This commit is contained in:
steve 2003-03-10 23:40:10 +00:00
parent 654ad4c97e
commit 7e9095acf2
1 changed files with 50 additions and 25 deletions
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75
vpi/sys_convert.c
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#ifdef HAVE_CVS_IDENT #ifdef HAVE_CVS_IDENT
#ident "$Id: sys_convert.c,v 1.1 2003/03/07 02:44:34 steve Exp $" #ident "$Id: sys_convert.c,v 1.2 2003/03/10 23:40:10 steve Exp $"
#endif #endif
# include "vpi_user.h" # include "vpi_user.h"
@ -25,8 +25,6 @@
# include <stdio.h> # include <stdio.h>
# include <math.h> # include <math.h>
/*
*/
static void double2bits(double real, PLI_UINT32 bits[2]) static void double2bits(double real, PLI_UINT32 bits[2])
{ {
union conv { union conv {
@ -57,10 +55,10 @@ static void double2bits(double real, PLI_UINT32 bits[2])
#endif #endif
} }
static int sizetf_32 (char*x) { return 32; }
static int sizetf_64 (char*x) { return 64; } static int sizetf_64 (char*x) { return 64; }
static int sys_real2bits_compiletf(char *name) static int sys_convert_compiletf(char *name)
{ {
vpiHandle call_hand, argv; vpiHandle call_hand, argv;
@ -76,7 +74,7 @@ static int sys_real2bits_compiletf(char *name)
return 0; return 0;
} }
static int sys_real2bits_calltf(char *user) static int sys_realtobits_calltf(char *user)
{ {
vpiHandle sys, argv, arg; vpiHandle sys, argv, arg;
s_vpi_value value; s_vpi_value value;
@ -89,10 +87,11 @@ static int sys_real2bits_calltf(char *user)
argv = vpi_iterate(vpiArgument, sys); argv = vpi_iterate(vpiArgument, sys);
arg = vpi_scan(argv); arg = vpi_scan(argv);
/* get current value in desired destination format */ /* get value */
value.format = vpiRealVal; value.format = vpiRealVal;
vpi_get_value(arg, &value); vpi_get_value(arg, &value);
/* convert */
double2bits(value.value.real, bits); double2bits(value.value.real, bits);
res[0].aval = bits[0]; res[0].aval = bits[0];
@ -109,50 +108,76 @@ static int sys_real2bits_calltf(char *user)
return 0; return 0;
} }
static int sys_rtoi_calltf(char *user)
{
vpiHandle sys, argv, arg;
s_vpi_value value;
static struct t_vpi_vecval res;
/* find argument handle */
sys = vpi_handle(vpiSysTfCall, 0);
argv = vpi_iterate(vpiArgument, sys);
arg = vpi_scan(argv);
/* get value */
value.format = vpiRealVal;
vpi_get_value(arg, &value);
/* convert */
res.aval = (unsigned)value.value.real;
res.bval = 0;
value.format = vpiVectorVal;
value.value.vector = &res;
/* return converted value */
vpi_put_value(sys, &value, 0, vpiNoDelay);
return 0;
}
void sys_convert_register() void sys_convert_register()
{ {
s_vpi_systf_data tf_data; s_vpi_systf_data tf_data;
#if 0
tf_data.type = vpiSysFunc; tf_data.type = vpiSysFunc;
tf_data.tfname = "$bitstoreal"; tf_data.tfname = "$bitstoreal";
tf_data.calltf = sys_convert_calltf;
tf_data.compiletf = sys_convert_compiletf;
tf_data.sizetf = sizetf_64; tf_data.sizetf = sizetf_64;
tf_data.user_data = "0$bitstoreal"; tf_data.compiletf = sys_convert_compiletf;
tf_data.calltf = NULL; // sys_bitstoreal_calltf;
tf_data.user_data = NULL;
vpi_register_systf(&tf_data); vpi_register_systf(&tf_data);
#endif
#if 0
tf_data.type = vpiSysFunc; tf_data.type = vpiSysFunc;
tf_data.tfname = "$itor"; tf_data.tfname = "$itor";
tf_data.calltf = sys_convert_calltf;
tf_data.compiletf = sys_convert_compiletf;
tf_data.sizetf = sizetf_64; tf_data.sizetf = sizetf_64;
tf_data.user_data = "1$itor"; tf_data.compiletf = sys_convert_compiletf;
tf_data.calltf = NULL; // sys_itor_calltf;
tf_data.user_data = NULL;
vpi_register_systf(&tf_data); vpi_register_systf(&tf_data);
#endif
tf_data.type = vpiSysFunc; tf_data.type = vpiSysFunc;
tf_data.tfname = "$realtobits"; tf_data.tfname = "$realtobits";
tf_data.calltf = sys_real2bits_calltf;
tf_data.compiletf = sys_real2bits_compiletf;
tf_data.sizetf = sizetf_64; tf_data.sizetf = sizetf_64;
tf_data.user_data = "$realtobits"; tf_data.compiletf = sys_convert_compiletf;
tf_data.calltf = sys_realtobits_calltf;
tf_data.user_data = NULL;
vpi_register_systf(&tf_data); vpi_register_systf(&tf_data);
#if 0
tf_data.type = vpiSysFunc; tf_data.type = vpiSysFunc;
tf_data.tfname = "$rtoi"; tf_data.tfname = "$rtoi";
tf_data.calltf = sys_convert_calltf;
tf_data.compiletf = sys_convert_compiletf;
tf_data.sizetf = sizetf_32; tf_data.sizetf = sizetf_32;
tf_data.user_data = "3$rtoi"; tf_data.compiletf = sys_convert_compiletf;
tf_data.calltf = sys_rtoi_calltf;
tf_data.user_data = NULL;
vpi_register_systf(&tf_data); vpi_register_systf(&tf_data);
#endif
} }
/* /*
* $Log: sys_convert.c,v $ * $Log: sys_convert.c,v $
* Revision 1.2 2003/03/10 23:40:10 steve
* Add support for $rtoi
*
* Revision 1.1 2003/03/07 02:44:34 steve * Revision 1.1 2003/03/07 02:44:34 steve
* Implement $realtobits. * Implement $realtobits.
* *