| Line 1... |
Line 1... |
////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////
|
//
|
//
|
// Filename: testb.h
|
// Filename: testb.h
|
//
|
//
|
// Project: Zip CPU -- a small, lightweight, RISC CPU core
|
// Project: Zip CPU -- a small, lightweight, RISC CPU soft core
|
//
|
//
|
// Purpose: A wrapper for a common interface to a clocked FPGA core
|
// Purpose: A wrapper for a common interface to a clocked FPGA core
|
// begin exercised in Verilator.
|
// begin exercised in Verilator.
|
//
|
//
|
// Creator: Dan Gisselquist, Ph.D.
|
// Creator: Dan Gisselquist, Ph.D.
|
| Line 32... |
Line 32... |
// License: GPL, v3, as defined and found on www.gnu.org,
|
// License: GPL, v3, as defined and found on www.gnu.org,
|
// http://www.gnu.org/licenses/gpl.html
|
// http://www.gnu.org/licenses/gpl.html
|
//
|
//
|
//
|
//
|
////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
//
|
#ifndef TESTB_H
|
#ifndef TESTB_H
|
#define TESTB_H
|
#define TESTB_H
|
|
|
#include <stdio.h>
|
#include <stdio.h>
|
#include <stdint.h>
|
#include <stdint.h>
|
#include <verilated_vcd_c.h>
|
#include <verilated_vcd_c.h>
|
|
|
|
#define TBASSERT(TB,A) do { if (!(A)) { (TB).closetrace(); } assert(A); } while(0);
|
|
|
template <class VA> class TESTB {
|
template <class VA> class TESTB {
|
public:
|
public:
|
VA *m_core;
|
VA *m_core;
|
VerilatedVcdC* m_trace;
|
VerilatedVcdC* m_trace;
|
unsigned long m_tickcount;
|
uint64_t m_tickcount;
|
|
|
TESTB(void) : m_trace(NULL), m_tickcount(0l) {
|
TESTB(void) : m_trace(NULL), m_tickcount(0l) {
|
m_core = new VA;
|
m_core = new VA;
|
Verilated::traceEverOn(true);
|
Verilated::traceEverOn(true);
|
m_core->i_clk = 0;
|
m_core->i_clk = 0;
|
eval(); // Get our initial values set properly.
|
eval(); // Get our initial values set properly.
|
}
|
}
|
virtual ~TESTB(void) {
|
virtual ~TESTB(void) {
|
if (m_trace) m_trace->close();
|
closetrace();
|
delete m_core;
|
delete m_core;
|
m_core = NULL;
|
m_core = NULL;
|
}
|
}
|
|
|
virtual void opentrace(const char *vcdname) {
|
virtual void opentrace(const char *vcdname) {
|
| Line 68... |
Line 72... |
}
|
}
|
|
|
virtual void closetrace(void) {
|
virtual void closetrace(void) {
|
if (m_trace) {
|
if (m_trace) {
|
m_trace->close();
|
m_trace->close();
|
|
delete m_trace;
|
m_trace = NULL;
|
m_trace = NULL;
|
}
|
}
|
}
|
}
|
|
|
virtual void eval(void) {
|
virtual void eval(void) {
|
| Line 85... |
Line 90... |
// of the clock. This is necessary since some of the
|
// of the clock. This is necessary since some of the
|
// connection modules may have made changes, for which some
|
// connection modules may have made changes, for which some
|
// logic depends. This forces that logic to be recalculated
|
// logic depends. This forces that logic to be recalculated
|
// before the top of the clock.
|
// before the top of the clock.
|
eval();
|
eval();
|
if (m_trace) m_trace->dump(10*m_tickcount-2);
|
if (m_trace) m_trace->dump((vluint64_t)(10*m_tickcount-2));
|
m_core->i_clk = 1;
|
m_core->i_clk = 1;
|
eval();
|
eval();
|
if (m_trace) m_trace->dump(10*m_tickcount);
|
if (m_trace) m_trace->dump((vluint64_t)(10*m_tickcount));
|
m_core->i_clk = 0;
|
m_core->i_clk = 0;
|
eval();
|
eval();
|
if (m_trace) m_trace->dump(10*m_tickcount+5);
|
if (m_trace) {
|
|
m_trace->dump((vluint64_t)(10*m_tickcount+5));
|
|
m_trace->flush();
|
|
}
|
}
|
}
|
|
|
virtual void reset(void) {
|
virtual void reset(void) {
|
m_core->i_rst = 1;
|
m_core->i_reset = 1;
|
tick();
|
tick();
|
m_core->i_rst = 0;
|
m_core->i_reset = 0;
|
// printf("RESET\n");
|
// printf("RESET\n");
|
}
|
}
|
|
|
|
unsigned long tickcount(void) {
|
|
return m_tickcount;
|
|
}
|
};
|
};
|
|
|
#endif
|
#endif
|
|
|
No newline at end of file
|
No newline at end of file
|
