45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
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* $QNXLicenseC:
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* Copyright 2007, QNX Software Systems. All Rights Reserved.
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*
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* You must obtain a written license from and pay applicable
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* license fees to QNX Software Systems before you may reproduce,
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* modify or distribute this software, or any work that includes
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* all or part of this software. Free development licenses are
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* available for evaluation and non-commercial purposes. For more
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* information visit http://licensing.qnx.com or email
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* licensing@qnx.com.
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*
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* This file may contain contributions from others. Please review
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* this entire file for other proprietary rights or license notices,
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* as well as the QNX Development Suite License Guide at
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* http://licensing.qnx.com/license-guide/ for other information.
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* $
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*/
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#include "kdebug.h"
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// This routines might be overridden by CPU specific ones.
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/*
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* Set up a mapping for reading/writing
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*/
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void *
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mapping_add(uintptr_t vaddr, size_t request_len, unsigned prot, size_t *valid_len) {
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paddr_t paddr;
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size_t size;
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if(vaddrinfo(NULL, vaddr, &paddr, &size) == PROT_NONE) return(NULL);
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return cpu_map(paddr, request_len, prot, -1, valid_len);
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}
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/*
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* Tear down a mapping from above
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*/
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void
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mapping_del(void *p, size_t len) {
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cpu_unmap(p, len);
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}
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