bdbc1b764d
This function is referenced, but never called from DRM2 code. Also, real behavior of pmap_mapdev_attr() in ARM world is unclear as we don't have any additional attribute for a device memory type. MFC after: 2 weeks
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/*-
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* Copyright (c) 2016 Svatopluk Kraus
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* Copyright (c) 2016 Michal Meloun
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PMAP_H_
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#define _MACHINE_PMAP_H_
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#if __ARM_ARCH >= 6
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#include <machine/pmap-v6.h>
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#else
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#include <machine/pmap-v4.h>
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#endif
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#ifdef _KERNEL
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extern vm_paddr_t dump_avail[];
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extern vm_paddr_t phys_avail[];
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extern char *_tmppt; /* poor name! */
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extern vm_offset_t virtual_avail;
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extern vm_offset_t virtual_end;
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void *pmap_kenter_temporary(vm_paddr_t, int);
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#define pmap_page_is_write_mapped(m) (((m)->aflags & PGA_WRITEABLE) != 0)
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void pmap_page_set_memattr(vm_page_t, vm_memattr_t);
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void *pmap_mapdev(vm_paddr_t, vm_size_t);
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void pmap_unmapdev(vm_offset_t, vm_size_t);
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static inline void *
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pmap_mapdev_attr(vm_paddr_t addr, vm_size_t size, int attr)
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{
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panic("%s is not implemented yet!\n", __func__);
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}
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struct pcb;
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void pmap_set_pcb_pagedir(pmap_t, struct pcb *);
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void pmap_kenter_device(vm_offset_t, vm_size_t, vm_paddr_t);
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void pmap_kremove_device(vm_offset_t, vm_size_t);
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vm_paddr_t pmap_kextract(vm_offset_t);
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#define vtophys(va) pmap_kextract((vm_offset_t)(va))
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#endif /* _KERNEL */
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#endif /* !_MACHINE_PMAP_H_ */
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