genode/repos/base-hw/src/include/map_local.h

48 lines
1.1 KiB
C++

/*
* \brief Core-local mapping
* \author Stefan Kalkowski
* \date 2014-02-26
*/
/*
* Copyright (C) 2014-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _CORE__MAP_LOCAL_H_
#define _CORE__MAP_LOCAL_H_
#include <hw/page_flags.h>
namespace Genode {
using Hw::Page_flags;
/**
* 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
* \param io_mem true if it's memory mapped I/O (uncached)
*
* \return true on success
*/
bool map_local(addr_t from_phys, addr_t to_virt, size_t num_pages,
Page_flags flags = Hw::PAGE_FLAGS_KERN_DATA);
/**
* Unmap pages from core's address space
*
* \param virt_addr first core-local address to unmap, must be page-aligned
* \param num_pages number of pages to unmap
*
* \return true on success
*/
bool unmap_local(addr_t virt_addr, size_t num_pages);
}
#endif /* _CORE__MAP_LOCAL_H_ */