mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-25 00:11:07 +00:00
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
|
/*
|
||
|
|
* \brief Virtual page-table facility
|
||
|
|
* \author Christian Helmuth
|
||
|
|
* \date 2008-08-15
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2008-2011 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 _INCLUDE__DDE_KIT__PGTAB_H_
|
||
|
|
#define _INCLUDE__DDE_KIT__PGTAB_H_
|
||
|
|
|
||
|
|
#include <dde_kit/types.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set virtual->physical mapping for VM pages
|
||
|
|
*
|
||
|
|
* \param virt virtual start address for region
|
||
|
|
* \param phys physical start address for region
|
||
|
|
* \param pages number of pages in region
|
||
|
|
*/
|
||
|
|
void dde_kit_pgtab_set_region(void *virt, dde_kit_addr_t phys, unsigned pages);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set virtual->physical mapping for VM region
|
||
|
|
*
|
||
|
|
* \param virt virtual start address for region
|
||
|
|
* \param phys physical start address for region
|
||
|
|
* \param size number of bytes in region
|
||
|
|
*/
|
||
|
|
void dde_kit_pgtab_set_region_with_size(void *virt, dde_kit_addr_t phys,
|
||
|
|
dde_kit_size_t size);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clear virtual->physical mapping for VM region
|
||
|
|
*
|
||
|
|
* \param virt virtual start address for region
|
||
|
|
*/
|
||
|
|
void dde_kit_pgtab_clear_region(void *virt);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get physical address for virtual address
|
||
|
|
*
|
||
|
|
* \param virt virtual address
|
||
|
|
*
|
||
|
|
* \return physical address
|
||
|
|
*/
|
||
|
|
dde_kit_addr_t dde_kit_pgtab_get_physaddr(void *virt);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get virtual address for physical address
|
||
|
|
*
|
||
|
|
* \param phys physical address
|
||
|
|
*
|
||
|
|
* \return virtual address
|
||
|
|
*/
|
||
|
|
dde_kit_addr_t dde_kit_pgtab_get_virtaddr(dde_kit_addr_t phys);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get size of VM region.
|
||
|
|
*
|
||
|
|
* \param virt virtual address
|
||
|
|
*
|
||
|
|
* \return VM region size (in bytes)
|
||
|
|
*/
|
||
|
|
dde_kit_size_t dde_kit_pgtab_get_size(void *virt);
|
||
|
|
|
||
|
|
#endif /* _INCLUDE__DDE_KIT__PGTAB_H_ */
|