forked from github/verilator
161 lines
4.7 KiB
C++
161 lines
4.7 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2009-2009 by Wilson Snyder. This program is free software; you can
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// redistribute it and/or modify it under the terms of either the GNU
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// Lesser General Public License Version 3 or the Perl Artistic License.
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// Version 2.0.
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//
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// Verilator 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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//*************************************************************************
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#include <cstdio>
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#include <cstring>
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#include "svdpi.h"
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#ifdef _WIN32
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# define T_PRI64 "I64"
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#else // Linux or compliant Unix flavors
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# define T_PRI64 "ll"
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#endif
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//======================================================================
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#if defined(VERILATOR)
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# include "Vt_dpi_export__Dpi.h"
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#elif defined(VCS)
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# include "../vc_hdrs.h"
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#elif defined(CADENCE)
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# define NEED_EXTERNS
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#else
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# error "Unknown simulator for DPI test"
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#endif
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#ifdef NEED_EXTERNS
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extern "C" {
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extern int dpix_run_tests();
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extern int dpix_t_int(int i, int* o);
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extern int dpix_t_renamed(int i, int* o);
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extern int dpix_int123();
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extern unsigned char dpix_f_bit(unsigned char i);
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extern int dpix_f_int(int i);
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extern char dpix_f_byte(char i);
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extern short int dpix_f_shortint(short int i);
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extern long long dpix_f_longint(long long i);
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extern void* dpix_f_chandle(void* i);
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extern int dpix_sub_inst (int i);
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}
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#endif
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//======================================================================
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#define CHECK_RESULT(type, got, exp) \
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if ((got) != (exp)) { \
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printf("%%Error: %s:%d:", __FILE__,__LINE__); \
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union { type a; long long l; } u; \
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u.l = 0; u.a = got; \
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printf(" GOT = %" T_PRI64 "x", u.l); \
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u.l = 0; u.a = exp; \
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printf(" EXP = %" T_PRI64 "x\n", u.l); \
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return __LINE__; \
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}
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#define CHECK_RESULT_NNULL(got) \
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if (!(got)) { \
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printf("%%Error: %s:%d: GOT = %p EXP = !NULL\n", __FILE__,__LINE__, (got)); \
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return __LINE__; \
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}
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static int check_sub(const char* name, int i) {
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svScope scope = svGetScopeFromName(name);
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#ifdef TEST_VERBOSE
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printf("svGetScopeFromName(\"%s\") -> %p\n", name, scope);
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#endif
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CHECK_RESULT_NNULL (scope);
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svScope prev = svGetScope();
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svScope sout = svSetScope(scope);
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CHECK_RESULT(svScope, sout, prev);
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CHECK_RESULT(svScope, svGetScope(), scope);
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int out = dpix_sub_inst(100*i);
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CHECK_RESULT(int, out, 100*i + i);
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return 0; // OK
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}
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// Called from our Verilog code to run the tests
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int dpix_run_tests() {
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printf("dpix_run_tests:\n");
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#ifdef VERILATOR
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static int didDump = 0;
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if (didDump++ == 0) {
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# ifdef TEST_VERBOSE
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Verilated::internalsDump();
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# endif
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}
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#endif
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#ifndef CADENCE // Unimplemented; how hard is it?
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printf ("svDpiVersion: %s\n",svDpiVersion());
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CHECK_RESULT (bool,
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strcmp(svDpiVersion(), "1800-2005")==0
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|| strcmp(svDpiVersion(), "P1800-2005")==0
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, 1);
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#endif
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CHECK_RESULT (int, dpix_int123(), 0x123 );
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#ifndef CADENCE // No export calls from an import
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int o;
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dpix_t_int(0x456, &o);
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CHECK_RESULT (unsigned long, o, ~0x456UL);
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dpix_t_renamed(0x456, &o);
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CHECK_RESULT (int, o, 0x458UL);
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#endif
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svBitVecVal vec10[1] = {0x10};
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CHECK_RESULT (int, dpix_f_bit(1), 0x0);
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CHECK_RESULT (int, dpix_f_bit(0), 0x1);
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CHECK_RESULT (int, dpix_f_bit15(vec10) & 0x7fUL, 0x6f);
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// Simulators disagree over the next three's sign extension unless we mask the upper bits
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CHECK_RESULT (int, dpix_f_int(1) & 0xffffffffUL, 0xfffffffeUL);
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CHECK_RESULT (int, dpix_f_byte(1) & 0xffUL, 0xfe);
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CHECK_RESULT (int, dpix_f_shortint(1) & 0xffffUL, 0xfffeUL);
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CHECK_RESULT (unsigned long long, dpix_f_longint(1), 0xfffffffffffffffeULL);
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CHECK_RESULT (void*, dpix_f_chandle((void*)(12345)), (void*)(12345));
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{
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svBitVecVal i_vec95[3] = {0x72912312,0xab782a12,0x8a413bd9};
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svBitVecVal o_vec95[3] = {0,0,0};
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dpix_t_bit95(i_vec95, o_vec95);
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CHECK_RESULT(int, o_vec95[0], ~i_vec95[0]);
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CHECK_RESULT(int, o_vec95[1], ~i_vec95[1]);
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CHECK_RESULT(int, o_vec95[2], (~i_vec95[2])&0x7fffffffUL);
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}
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{
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svBitVecVal i_vec96[3] = {0xf2912312,0xab782a12,0x8a413bd9};
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svBitVecVal o_vec96[3] = {0,0,0};
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dpix_t_bit96(i_vec96, o_vec96);
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CHECK_RESULT(int, o_vec96[0], ~i_vec96[0]);
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CHECK_RESULT(int, o_vec96[1], ~i_vec96[1]);
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CHECK_RESULT(int, o_vec96[2], ~i_vec96[2]);
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}
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if (int bad=check_sub("top.t.a",1)) return bad;
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if (int bad=check_sub("top.t.b",2)) return bad;
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return -1; // OK status
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}
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