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73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/*
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* \brief Virtual page-table facility
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* \author Christian Helmuth
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* \date 2008-08-15
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*/
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/*
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* Copyright (C) 2008-2011 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__DDE_KIT__PGTAB_H_
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#define _INCLUDE__DDE_KIT__PGTAB_H_
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#include <dde_kit/types.h>
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/**
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* Set virtual->physical mapping for VM pages
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*
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* \param virt virtual start address for region
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* \param phys physical start address for region
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* \param pages number of pages in region
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*/
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void dde_kit_pgtab_set_region(void *virt, dde_kit_addr_t phys, unsigned pages);
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/**
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* Set virtual->physical mapping for VM region
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*
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* \param virt virtual start address for region
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* \param phys physical start address for region
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* \param size number of bytes in region
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*/
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void dde_kit_pgtab_set_region_with_size(void *virt, dde_kit_addr_t phys,
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dde_kit_size_t size);
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/**
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* Clear virtual->physical mapping for VM region
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*
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* \param virt virtual start address for region
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*/
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void dde_kit_pgtab_clear_region(void *virt);
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/**
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* Get physical address for virtual address
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*
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* \param virt virtual address
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*
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* \return physical address
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*/
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dde_kit_addr_t dde_kit_pgtab_get_physaddr(void *virt);
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/**
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* Get virtual address for physical address
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*
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* \param phys physical address
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*
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* \return virtual address
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*/
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dde_kit_addr_t dde_kit_pgtab_get_virtaddr(dde_kit_addr_t phys);
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/**
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* Get size of VM region.
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*
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* \param virt virtual address
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*
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* \return VM region size (in bytes)
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*/
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dde_kit_size_t dde_kit_pgtab_get_size(void *virt);
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#endif /* _INCLUDE__DDE_KIT__PGTAB_H_ */
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