998dfa6c5e
Issue #2044
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
/*
|
|
* \brief Core-local memory mapping
|
|
* \author Norman Feske
|
|
* \date 2015-05-01
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2015 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU General Public License version 2.
|
|
*/
|
|
|
|
#ifndef _CORE__INCLUDE__MAP_LOCAL_H_
|
|
#define _CORE__INCLUDE__MAP_LOCAL_H_
|
|
|
|
/* Genode includes */
|
|
#include <base/printf.h>
|
|
|
|
/* core includes */
|
|
#include <util.h>
|
|
#include <platform.h>
|
|
|
|
|
|
namespace Genode {
|
|
|
|
/**
|
|
* Map physical pages to core-local virtual address range
|
|
*
|
|
* \param from_phys physical source address
|
|
* \param to_virt core-local destination address
|
|
* \param num_pages number of pages to map
|
|
*
|
|
* \return true on success
|
|
*/
|
|
inline bool map_local(addr_t from_phys, addr_t to_virt, size_t num_pages)
|
|
{
|
|
enum { DONT_FLUSH = false };
|
|
try {
|
|
platform_specific()->core_vm_space().map(from_phys, to_virt,
|
|
num_pages, DONT_FLUSH);
|
|
} catch (Page_table_registry::Mapping_cache_full) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* Flush memory mappings from core-local virtual address range
|
|
*/
|
|
inline bool unmap_local(addr_t virt_addr, size_t num_pages)
|
|
{
|
|
platform_specific()->core_vm_space().unmap(virt_addr, num_pages);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
#endif /* _CORE__INCLUDE__MAP_LOCAL_H_ */
|