1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2016 Svatopluk Kraus 5 * Copyright (c) 2016 Michal Meloun 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _MACHINE_PMAP_H_ 33 #define _MACHINE_PMAP_H_ 34 35 #if __ARM_ARCH >= 6 36 #include <machine/pmap-v6.h> 37 #else 38 #include <machine/pmap-v4.h> 39 #endif 40 41 #ifdef _KERNEL 42 #include <sys/systm.h> 43 44 extern vm_paddr_t dump_avail[]; 45 extern vm_paddr_t phys_avail[]; 46 47 extern char *_tmppt; /* poor name! */ 48 49 extern vm_offset_t virtual_avail; 50 extern vm_offset_t virtual_end; 51 52 void *pmap_kenter_temporary(vm_paddr_t, int); 53 #define pmap_page_is_write_mapped(m) (((m)->aflags & PGA_WRITEABLE) != 0) 54 void pmap_page_set_memattr(vm_page_t, vm_memattr_t); 55 56 void *pmap_mapdev(vm_paddr_t, vm_size_t); 57 void pmap_unmapdev(vm_offset_t, vm_size_t); 58 59 static inline void * 60 pmap_mapdev_attr(vm_paddr_t addr, vm_size_t size, int attr) 61 { 62 panic("%s is not implemented yet!\n", __func__); 63 } 64 65 struct pcb; 66 void pmap_set_pcb_pagedir(pmap_t, struct pcb *); 67 68 void pmap_kenter_device(vm_offset_t, vm_size_t, vm_paddr_t); 69 void pmap_kremove_device(vm_offset_t, vm_size_t); 70 71 vm_paddr_t pmap_kextract(vm_offset_t); 72 #define vtophys(va) pmap_kextract((vm_offset_t)(va)) 73 74 static inline int 75 pmap_vmspace_copy(pmap_t dst_pmap __unused, pmap_t src_pmap __unused) 76 { 77 78 return (0); 79 } 80 81 #endif /* _KERNEL */ 82 #endif /* !_MACHINE_PMAP_H_ */ 83