X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/55e303ae13a4cf49d70f2294092726f2fffb9ef2..4452a7af2eac33dbad800bcc91f2399d62c18f53:/osfmk/i386/io_map.c diff --git a/osfmk/i386/io_map.c b/osfmk/i386/io_map.c index 9df7b0016..40892578b 100644 --- a/osfmk/i386/io_map.c +++ b/osfmk/i386/io_map.c @@ -1,16 +1,19 @@ /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in - * compliance with the License. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER @@ -20,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ @@ -66,9 +69,7 @@ extern vm_offset_t virtual_avail; * Mach VM is running. */ vm_offset_t -io_map(phys_addr, size) - vm_offset_t phys_addr; - vm_size_t size; +io_map(vm_offset_t phys_addr, vm_size_t size, unsigned int flags) { vm_offset_t start; @@ -78,18 +79,23 @@ io_map(phys_addr, size) */ start = virtual_avail; virtual_avail += round_page(size); + + (void) pmap_map_bd(start, phys_addr, phys_addr + round_page(size), + VM_PROT_READ|VM_PROT_WRITE, + flags); } else { (void) kmem_alloc_pageable(kernel_map, &start, round_page(size)); + (void) pmap_map(start, phys_addr, phys_addr + round_page(size), + VM_PROT_READ|VM_PROT_WRITE, + flags); } - (void) pmap_map_bd(start, phys_addr, phys_addr + round_page(size), - VM_PROT_READ|VM_PROT_WRITE); return (start); } /* just wrap this since io_map handles it */ -vm_offset_t io_map_spec(vm_offset_t phys_addr, vm_size_t size) +vm_offset_t io_map_spec(vm_offset_t phys_addr, vm_size_t size, unsigned int flags) { - return (io_map(phys_addr, size)); + return (io_map(phys_addr, size, flags)); }