1df48b8331
To ease the creation of custom virtual machine monitors on top of NOVA, this patch moves generic utilities from vancouver resp. seoul to the public include location 'ports/include/vmm'. As a nice side effect, this change simplifies 'vancouver/main.cc'. Issue #949
54 lines
987 B
C++
54 lines
987 B
C++
/*
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* \brief Utilities for implementing VMMs on Genode/NOVA
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* \author Norman Feske
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* \date 2013-08-20
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*/
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/*
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* Copyright (C) 2013 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 _INCLUDE__VMM__PRINTF_H_
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#define _INCLUDE__VMM__PRINTF_H_
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/* Genode includes */
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#include <base/thread.h>
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#include <base/lock.h>
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#include <base/printf.h>
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namespace Vmm {
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using namespace Genode;
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void printf(const char *format, ...);
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}
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/**
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* Print message while preserving the UTCB content
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*/
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void Vmm::printf(const char *format, ...)
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{
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va_list list;
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va_start(list, format);
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static Lock lock;
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static Native_utcb utcb_backup;
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Lock::Guard guard(lock);
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utcb_backup = *Thread_base::myself()->utcb();
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Genode::printf("VMM: ");
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Genode::vprintf(format, list);
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*Thread_base::myself()->utcb() = utcb_backup;
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va_end(list);
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}
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#endif /* _INCLUDE__VMM__PRINTF_H_ */
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