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/* |
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* Copyright (C) 2006 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: memory_alpha.c,v 1.3 2006/06/24 21:47:23 debug Exp $ |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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|
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#include "cpu.h" |
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#include "machine.h" |
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#include "memory.h" |
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#include "misc.h" |
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|
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|
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/* |
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* alpha_translate_v2p(): |
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*/ |
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int alpha_translate_v2p(struct cpu *cpu, uint64_t vaddr, |
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uint64_t *return_paddr, int flags) |
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{ |
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*return_paddr = vaddr & 0x000003ffffffffffULL; |
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|
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/* UGLY hack for now: */ |
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/* TODO: Real virtual memory support. */ |
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|
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if ((vaddr & ~0xffff) == 0xfffffc0010000000ULL || |
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(vaddr & ~0xffff) == 0x0000000010000000ULL) |
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*return_paddr = (vaddr & 0x0fffffff) + |
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(cpu->machine->physical_ram_in_mb-1) * 1048576; |
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|
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/* At 0x20000000, NetBSD stores temp prom data */ |
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if ((vaddr & ~0x1fff) == 0xfffffc0020000000ULL || |
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(vaddr & ~0x1fff) == 0x0000000020000000ULL) |
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*return_paddr = (vaddr & 0x0fffffff) + 512*1024 + |
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(cpu->machine->physical_ram_in_mb-1) * 1048576; |
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|
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/* printf("yo %016"PRIx64" %016"PRIx64"\n", vaddr, *return_paddr); */ |
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|
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return 2; |
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} |
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|