Subversion Repositories riscv_vhdl

/**
 * @file
 * @copyright  Copyright 2016 GNSS Sensor Ltd. All right reserved.
 * @author     Sergey Khabarov - sergeykhbr@gmail.com
 * @brief      Reset, Un-reset or Reboot target command.
 */
 
#include "iservice.h"
#include "cmd_reset.h"
 
namespace debugger {
 
CmdReset::CmdReset(ITap *tap, ISocInfo *info) 
    : ICommand ("reset", tap, info) {
 
    briefDescr_.make_string("Reset, Un-reset or Reboot target");
    detailedDescr_.make_string(
        "Description:\n"
        "    Reset, Un-reset or Reboot target.\n"
        "Warning:\n"
        "    When reset is HIGH CPU debug port is resetting also and cannot\n"
        "    response on debugger requests.\n"
        "Example:\n"
        "    reset\n"
        "    reset 1\n"
        "    reset 0\n");
}
 
bool CmdReset::isValid(AttributeType *args) {
    if ((*args)[0u].is_equal("reset") && args->size() <= 2) {
        return CMD_VALID;
    }
    return CMD_INVALID;
}
 
void CmdReset::exec(AttributeType *args, AttributeType *res) {
    res->make_nil();
    if (!isValid(args)) {
        generateError(res, "Wrong argument list");
        return;
    }
 
    Reg64Type rst;
    DsuMapType *dsu = info_->getpDsu();
    uint64_t sw_rst_addr =
           reinterpret_cast<uint64_t>(&dsu->ulocal.v.soft_reset);
 
    if (args->size() == 2) {
        rst.val = (*args)[1].to_uint64();
        tap_->write(sw_rst_addr, 8, rst.buf);
    } else {
        // Reboot
        rst.val = 1;
        tap_->write(sw_rst_addr, 8, rst.buf);
        RISCV_sleep_ms(10);
        rst.val = 0;
        tap_->write(sw_rst_addr, 8, rst.buf);
    }
}
 
 
}  // namespace debugger