nkeynes@10 | 1 | /**
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nkeynes@561 | 2 | * $Id$
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nkeynes@953 | 3 | *
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nkeynes@953 | 4 | * This is a deprecated module that is not yet completely extricated from the
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nkeynes@953 | 5 | * surrounding code.
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nkeynes@10 | 6 | *
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nkeynes@10 | 7 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@10 | 8 | *
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nkeynes@10 | 9 | * This program is free software; you can redistribute it and/or modify
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nkeynes@10 | 10 | * it under the terms of the GNU General Public License as published by
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nkeynes@10 | 11 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@10 | 12 | * (at your option) any later version.
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nkeynes@10 | 13 | *
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nkeynes@10 | 14 | * This program is distributed in the hope that it will be useful,
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nkeynes@10 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@10 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@10 | 17 | * GNU General Public License for more details.
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nkeynes@10 | 18 | */
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nkeynes@10 | 19 |
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nkeynes@35 | 20 | #define MODULE sh4_module
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nkeynes@35 | 21 |
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nkeynes@10 | 22 | #include <string.h>
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nkeynes@10 | 23 | #include <zlib.h>
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nkeynes@10 | 24 | #include "dream.h"
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nkeynes@10 | 25 | #include "mem.h"
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nkeynes@10 | 26 | #include "mmio.h"
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nkeynes@10 | 27 | #include "dreamcast.h"
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nkeynes@422 | 28 | #include "sh4/sh4core.h"
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nkeynes@422 | 29 | #include "sh4/sh4mmio.h"
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nkeynes@953 | 30 | #include "sh4/mmu.h"
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nkeynes@100 | 31 | #include "pvr2/pvr2.h"
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nkeynes@991 | 32 | #include "xlat/xltcache.h"
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nkeynes@10 | 33 |
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nkeynes@953 | 34 | /************** Obsolete methods ***************/
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nkeynes@10 | 35 |
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nkeynes@10 | 36 | /* FIXME: Handle all the many special cases when the range doesn't fall cleanly
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nkeynes@400 | 37 | * into the same memory block
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nkeynes@10 | 38 | */
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nkeynes@527 | 39 | void mem_copy_from_sh4( sh4ptr_t dest, sh4addr_t srcaddr, size_t count ) {
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nkeynes@103 | 40 | if( srcaddr >= 0x04000000 && srcaddr < 0x05000000 ) {
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nkeynes@736 | 41 | pvr2_vram64_read( dest, srcaddr, count );
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nkeynes@103 | 42 | } else {
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nkeynes@736 | 43 | sh4ptr_t src = mem_get_region(srcaddr);
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nkeynes@736 | 44 | if( src == NULL ) {
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nkeynes@736 | 45 | WARN( "Attempted block read from unknown address %08X", srcaddr );
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nkeynes@736 | 46 | } else {
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nkeynes@736 | 47 | memcpy( dest, src, count );
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nkeynes@736 | 48 | }
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nkeynes@103 | 49 | }
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nkeynes@10 | 50 | }
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nkeynes@10 | 51 |
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nkeynes@527 | 52 | void mem_copy_to_sh4( sh4addr_t destaddr, sh4ptr_t src, size_t count ) {
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nkeynes@325 | 53 | if( destaddr >= 0x10000000 && destaddr < 0x14000000 ) {
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nkeynes@736 | 54 | pvr2_dma_write( destaddr, src, count );
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nkeynes@736 | 55 | return;
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nkeynes@325 | 56 | } else if( (destaddr & 0x1F800000) == 0x05000000 ) {
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nkeynes@736 | 57 | pvr2_render_buffer_invalidate( destaddr, TRUE );
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nkeynes@325 | 58 | } else if( (destaddr & 0x1F800000) == 0x04000000 ) {
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nkeynes@736 | 59 | pvr2_vram64_write( destaddr, src, count );
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nkeynes@736 | 60 | return;
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nkeynes@325 | 61 | }
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nkeynes@502 | 62 | sh4ptr_t dest = mem_get_region(destaddr);
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nkeynes@325 | 63 | if( dest == NULL )
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nkeynes@736 | 64 | WARN( "Attempted block write to unknown address %08X", destaddr );
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nkeynes@325 | 65 | else {
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nkeynes@736 | 66 | xlat_invalidate_block( destaddr, count );
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nkeynes@736 | 67 | memcpy( dest, src, count );
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nkeynes@90 | 68 | }
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nkeynes@10 | 69 | }
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