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// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
//
// Copyright 2009-2009 by Wilson Snyder. This program is free software; you can
// redistribute it and/or modify it under the terms of either the GNU
// Lesser General Public License Version 3 or the Perl Artistic License
// Version 2.0.
// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
//
//*************************************************************************
#include <cstdio>
#include <cstring>
#include "svdpi.h"
//======================================================================
#if defined(VERILATOR)
# include "Vt_dpi_import__Dpi.h"
#elif defined(VCS)
# include "../vc_hdrs.h"
#elif defined(CADENCE)
# define NEED_EXTERNS
#else
# error "Unknown simulator for DPI test"
#endif
typedef struct {
int a;
int b;
} substruct_t;
#ifdef NEED_EXTERNS
extern "C" {
// If get ncsim: *F,NOFDPI: Function {foo} not found in default libdpi.
// Then probably forgot to list a function here.
extern unsigned char dpii_f_bit (unsigned char i);
extern svBitVecVal dpii_f_bit8 (const svBitVecVal* i);
extern svBitVecVal dpii_f_bit9 (const svBitVecVal* i);
extern svBitVecVal dpii_f_bit16 (const svBitVecVal* i);
extern svBitVecVal dpii_f_bit17 (const svBitVecVal* i);
extern svBitVecVal dpii_f_bit32 (const svBitVecVal* i);
extern long long dpii_f_bit33 (const svBitVecVal* i);
extern long long dpii_f_bit64 (const svBitVecVal* i);
extern long long dpii_f_bit95 (const svBitVecVal* i, svBitVecVal* o);
extern int dpii_f_int (int i);
extern char dpii_f_byte (char i);
extern short int dpii_f_shortint(short int i);
extern long long dpii_f_longint (long long i);
extern void* dpii_f_chandle (void* i);
extern const char* dpii_f_string (const char* i);
extern double dpii_f_real (double i);
extern float dpii_f_shortreal(float i);
extern void dpii_v_bit (unsigned char i, unsigned char* o);
extern void dpii_v_int (int i, int *o);
extern void dpii_v_uint (unsigned int i, unsigned int *o);
extern void dpii_v_byte (char i, char *o);
extern void dpii_v_shortint (short int i, short int *o);
extern void dpii_v_ushort (unsigned short i, unsigned short *o);
extern void dpii_v_longint (long long i, long long *o);
extern void dpii_v_ulong (unsigned long long i, unsigned long long *o);
extern void dpii_v_struct (const svBitVecVal* i, svBitVecVal* o);
extern void dpii_v_substruct (const svBitVecVal* i, int* o);
extern void dpii_v_chandle (void* i, void* *o);
extern void dpii_v_string (const char* i, const char** o);
extern void dpii_v_real (double i, double* o);
extern void dpii_v_shortreal(float i, float* o);
extern void dpii_v_struct (const svBitVecVal* i, svBitVecVal* o);
extern void dpii_v_substruct (const svBitVecVal* i, int* o);
extern void dpii_v_bit64(const svBitVecVal* i, svBitVecVal* o);
extern void dpii_v_bit95(const svBitVecVal* i, svBitVecVal* o);
extern void dpii_v_bit96(const svBitVecVal* i, svBitVecVal* o);
extern void dpii_v_reg(unsigned char i, unsigned char* o);
extern void dpii_v_reg15(const svLogicVecVal* i, svLogicVecVal* o);
extern void dpii_v_reg95(const svLogicVecVal* i, svLogicVecVal* o);
extern void dpii_v_integer(const svLogicVecVal* i, svLogicVecVal* o);
extern void dpii_v_time(const svLogicVecVal* i, svLogicVecVal* o);
extern int dpii_f_strlen(const char* i);
extern void dpii_f_void();
extern int dpii_t_void();
extern int dpii_t_void_context();
extern int dpii_t_int(int i, int *o);
extern int dpii_fa_bit(int i);
}
#endif
//======================================================================
unsigned char dpii_f_bit (unsigned char i) { return 0x1 & ~i; }
svBitVecVal dpii_f_bit8 (const svBitVecVal *i) { return 0xffUL & ~*i; }
svBitVecVal dpii_f_bit9 (const svBitVecVal *i) { return 0x1ffUL & ~*i; }
svBitVecVal dpii_f_bit16(const svBitVecVal *i) { return 0xffffUL & ~*i; }
svBitVecVal dpii_f_bit17(const svBitVecVal *i) { return 0x1ffffUL & ~*i; }
svBitVecVal dpii_f_bit32(const svBitVecVal *i) { return ~*i; }
long long dpii_f_bit33(const svBitVecVal *i) { return ((1ULL<<33)-1) & ~((long long)(i[1])<<32ULL | i[0]); }
long long dpii_f_bit64(const svBitVecVal *i) { return ~((long long)(i[1])<<32ULL | i[0]); }
int dpii_f_int (int i) { return ~i; }
char dpii_f_byte (char i) { return ~i; }
short int dpii_f_shortint(short int i) { return ~i; }
long long dpii_f_longint (long long i) { return ~i; }
void* dpii_f_chandle (void* i) { return i; }
const char* dpii_f_string (const char* i) { return i; }
double dpii_f_real (double i) { return i+1.5; }
float dpii_f_shortreal(float i) { return i+1.5f; }
void dpii_v_bit(unsigned char i, unsigned char *o) { *o = 1 & ~i; }
void dpii_v_int(int i, int *o) { *o = ~i; }
void dpii_v_uint(unsigned int i, unsigned int *o) { *o = ~i; }
void dpii_v_byte(char i, char *o) { *o = ~i; }
void dpii_v_shortint(short int i, short int *o) { *o = ~i; }
void dpii_v_ushort(unsigned short i, unsigned short *o) { *o = ~i; }
void dpii_v_longint(long long i, long long *o) { *o = ~i; }
void dpii_v_ulong(unsigned long long i, unsigned long long *o) { *o = ~i; }
void dpii_v_chandle(void* i, void* *o) { *o = i; }
void dpii_v_string(const char* i, const char** o) { *o = strdup(i); } // Leaks
void dpii_v_real(double i, double* o) { *o = i + 1.5; }
void dpii_v_shortreal(float i, float* o) { *o = i + 1.5f; }
void dpii_v_reg(unsigned char i, unsigned char* o) { *o = (~i)&1; }
void dpii_v_reg15(const svLogicVecVal* i, svLogicVecVal* o) {
o[0].aval = (~i[0].aval) & 0x7fffUL;
o[0].bval = 0;
}
void dpii_v_reg95(const svLogicVecVal* i, svLogicVecVal* o) {
o[0].aval = (~i[0].aval);
o[1].aval = (~i[1].aval);
o[2].aval = (~i[2].aval) & 0x7fffffffUL;
o[0].bval = 0;
o[1].bval = 0;
o[2].bval = 0;
}
void dpii_v_integer(const svLogicVecVal* i, svLogicVecVal* o) {
o[0].aval = (~i[0].aval);
o[0].bval = 0;
}
void dpii_v_time(const svLogicVecVal* i, svLogicVecVal* o) {
o[0].aval = (~i[0].aval);
o[1].aval = (~i[1].aval);
o[0].bval = 0;
o[1].bval = 0;
}
void dpii_v_struct(const svBitVecVal* i, svBitVecVal* o) {
o[0] = ~i[0];
o[1] = ~i[1];
o[2] = ~i[2];
}
void dpii_v_substruct(const svBitVecVal* i, int* o) {
// To be most like other tools, this should automagically take the substruct_t
// as an argument, and not require this cast...
substruct_t* issp = (substruct_t*)i;
o[0] = issp->b - issp->a;
}
void dpii_v_bit64(const svBitVecVal* i, svBitVecVal* o) {
o[0] = ~i[0];
o[1] = ~i[1];
}
void dpii_v_bit95(const svBitVecVal* i, svBitVecVal* o) {
o[0] = (~i[0]);
o[1] = (~i[1]);
o[2] = (~i[2]) & 0x7fffffffUL;
}
void dpii_v_bit96(const svBitVecVal* i, svBitVecVal* o) {
o[0] = ~i[0];
o[1] = ~i[1];
o[2] = ~i[2];
}
int dpii_f_strlen(const char* i) { return strlen(i); }
//======================================================================
void dpii_f_void() {}
#ifdef VCS
void dpii_t_void() {}
void dpii_t_void_context() {}
void dpii_t_int(int i, int* o) { *o = i; }
#else
int dpii_t_void() { return svIsDisabledState(); }
int dpii_t_void_context() { return svIsDisabledState(); }
int dpii_t_int(int i, int* o) {
*o = i;
return svIsDisabledState(); // Tasks generally need this
}
#endif
int dpii_fa_bit(int i) { return ~i; }
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