Subversion Repositories riscv_vhdl

/**

 * @file

 * @copyright  Copyright 2017 GNSS Sensor Ltd. All right reserved.

 * @author     Sergey Khabarov - sergeykhbr@gmail.com

 * @brief      Stack trace buffer on hardware level.

 */

#include "stacktrbuf.h"

namespace debugger {

StackTraceBuffer::StackTraceBuffer(sc_module_name name_) : sc_module(name_) {

    SC_METHOD(comb);

    sensitive << i_raddr;

    sensitive << i_we;

    sensitive << i_waddr;

    sensitive << i_wdata;

    sensitive << raddr;

    SC_METHOD(registers);

    sensitive << i_clk.pos();

};

void StackTraceBuffer::generateVCD(sc_trace_file *i_vcd, sc_trace_file *o_vcd) {

}

void StackTraceBuffer::comb() {

    o_rdata = stackbuf[raddr.read()];

}

void StackTraceBuffer::registers() {

    if (i_we.read()) {

        stackbuf[i_waddr.read()] = i_wdata;

    }

    raddr = i_raddr.read();

}

}  // namespace debugger