tcp->u_arg[0] = or1k_regs.gpr[3 + 0];
tcp->u_arg[1] = or1k_regs.gpr[3 + 1];
tcp->u_arg[2] = or1k_regs.gpr[3 + 2];
tcp->u_arg[3] = or1k_regs.gpr[3 + 3];
tcp->u_arg[4] = or1k_regs.gpr[3 + 4];
tcp->u_arg[5] = or1k_regs.gpr[3 + 5];