55 lines
1.4 KiB
C
55 lines
1.4 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 <sys/mman.h>
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#include <arm/mmu.h>
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#include "kdintl.h"
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void
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cpu_init_map(void) {
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}
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void *
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cpu_map(paddr64_t paddr, unsigned size, unsigned prot, int colour, unsigned *mapped_len) {
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return NULL;
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}
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void
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cpu_unmap(void *p, unsigned size) {
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}
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unsigned
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cpu_vaddrinfo(void *p, paddr64_t *paddrp, unsigned *lenp) {
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paddr_t va = (uintptr_t)p;
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unsigned off = va & PGMASK;
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pte_t pte;
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if (*VTOPDIR(va) == 0 || ((pte = *VTOPTEP(va)) & ARM_PTE_VALID) == 0) {
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return PROT_NONE;
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}
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*paddrp = pte & PGMASK;
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*lenp = __PAGESIZE - off;
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//ZZZ examine PTE and return proper protection bits
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return PROT_READ|PROT_WRITE|PROT_EXEC;
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}
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