diff options
Diffstat (limited to 'sys/arm/include/pmap.h')
-rw-r--r-- | sys/arm/include/pmap.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/sys/arm/include/pmap.h b/sys/arm/include/pmap.h new file mode 100644 index 000000000000..3983dd9988c6 --- /dev/null +++ b/sys/arm/include/pmap.h @@ -0,0 +1,81 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2016 Svatopluk Kraus + * Copyright (c) 2016 Michal Meloun + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _MACHINE_PMAP_H_ +#define _MACHINE_PMAP_H_ + +#if __ARM_ARCH >= 6 +#include <machine/pmap-v6.h> +#else +#include <machine/pmap-v4.h> +#endif + +#ifdef _KERNEL +#include <sys/systm.h> + +extern char *_tmppt; /* poor name! */ + +extern vm_offset_t virtual_avail; +extern vm_offset_t virtual_end; + +void *pmap_kenter_temporary(vm_paddr_t, int); +#define pmap_page_is_write_mapped(m) (((m)->a.flags & PGA_WRITEABLE) != 0) +void pmap_page_set_memattr(vm_page_t, vm_memattr_t); + +void *pmap_mapdev(vm_paddr_t, vm_size_t); +void pmap_unmapdev(vm_offset_t, vm_size_t); + +static inline void * +pmap_mapdev_attr(vm_paddr_t addr, vm_size_t size, int attr) +{ + panic("%s is not implemented yet!\n", __func__); +} + +struct pcb; +void pmap_set_pcb_pagedir(pmap_t, struct pcb *); + +void pmap_kenter_device(vm_offset_t, vm_size_t, vm_paddr_t); +void pmap_kremove_device(vm_offset_t, vm_size_t); + +vm_paddr_t pmap_kextract(vm_offset_t); +#define vtophys(va) pmap_kextract((vm_offset_t)(va)) + +static inline int +pmap_vmspace_copy(pmap_t dst_pmap __unused, pmap_t src_pmap __unused) +{ + + return (0); +} + +#define PMAP_ENTER_QUICK_LOCKED 0x10000000 + +#endif /* _KERNEL */ +#endif /* !_MACHINE_PMAP_H_ */ |