54 lines
1.0 KiB
C++
54 lines
1.0 KiB
C++
/*
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* \brief Serial output driver for core
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* \author Sebastian Sumpf
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* \date 2015-06-02
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*/
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/*
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* Copyright (C) 2015-2016 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _SERIAL_H_
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#define _SERIAL_H_
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/* Genode includes */
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#include <base/stdint.h>
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#include <util/register.h>
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/* core includes */
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#include <machine_call.h>
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namespace Genode { class Serial; }
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/**
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* Serial output driver for core
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*/
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class Genode::Serial
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{
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public:
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/**
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* Constructor
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*/
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Serial(unsigned) { }
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void put_char(char const c)
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{
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struct Arg : Register<64>
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{
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struct Char : Bitfield<0, 8> { };
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struct Write_cmd : Bitfield<48, 1> { };
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struct Stdout : Bitfield<56, 1> { };
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};
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Machine::call(Machine::PUT_CHAR, Arg::Char::bits(c) |
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Arg::Stdout::bits(1) |
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Arg::Write_cmd::bits(1));
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}
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};
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#endif /* _SERIAL_H_ */
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