nkeynes@10 | 1 | /**
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nkeynes@355 | 2 | * $Id: sh4mem.c,v 1.20 2007-02-11 10:17:03 nkeynes Exp $
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nkeynes@10 | 3 | * sh4mem.c is responsible for the SH4's access to memory (including memory
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nkeynes@10 | 4 | * mapped I/O), using the page maps created in mem.c
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nkeynes@10 | 5 | *
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nkeynes@10 | 6 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@10 | 7 | *
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nkeynes@10 | 8 | * This program is free software; you can redistribute it and/or modify
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nkeynes@10 | 9 | * it under the terms of the GNU General Public License as published by
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nkeynes@10 | 10 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@10 | 11 | * (at your option) any later version.
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nkeynes@10 | 12 | *
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nkeynes@10 | 13 | * This program is distributed in the hope that it will be useful,
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nkeynes@10 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@10 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@10 | 16 | * GNU General Public License for more details.
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nkeynes@10 | 17 | */
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nkeynes@10 | 18 |
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nkeynes@35 | 19 | #define MODULE sh4_module
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nkeynes@35 | 20 |
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nkeynes@10 | 21 | #include <string.h>
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nkeynes@10 | 22 | #include <zlib.h>
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nkeynes@10 | 23 | #include "dream.h"
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nkeynes@10 | 24 | #include "mem.h"
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nkeynes@10 | 25 | #include "mmio.h"
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nkeynes@70 | 26 | #include "sh4core.h"
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nkeynes@10 | 27 | #include "sh4mmio.h"
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nkeynes@10 | 28 | #include "dreamcast.h"
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nkeynes@100 | 29 | #include "pvr2/pvr2.h"
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nkeynes@10 | 30 |
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nkeynes@10 | 31 | #define OC_BASE 0x1C000000
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nkeynes@10 | 32 | #define OC_TOP 0x20000000
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nkeynes@10 | 33 |
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nkeynes@90 | 34 | #define TRANSLATE_VIDEO_64BIT_ADDRESS(a) ( (((a)&0x00FFFFF8)>>1)|(((a)&0x00000004)<<20)|((a)&0x03)|0x05000000 )
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nkeynes@10 | 35 |
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nkeynes@10 | 36 | #ifdef ENABLE_WATCH
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nkeynes@10 | 37 | #define CHECK_READ_WATCH( addr, size ) \
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nkeynes@10 | 38 | if( mem_is_watched(addr,size,WATCH_READ) != NULL ) { \
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nkeynes@10 | 39 | WARN( "Watch triggered at %08X by %d byte read", addr, size ); \
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nkeynes@10 | 40 | dreamcast_stop(); \
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nkeynes@10 | 41 | }
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nkeynes@10 | 42 | #define CHECK_WRITE_WATCH( addr, size, val ) \
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nkeynes@10 | 43 | if( mem_is_watched(addr,size,WATCH_WRITE) != NULL ) { \
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nkeynes@10 | 44 | WARN( "Watch triggered at %08X by %d byte write <= %0*X", addr, size, size*2, val ); \
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nkeynes@10 | 45 | dreamcast_stop(); \
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nkeynes@10 | 46 | }
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nkeynes@10 | 47 | #else
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nkeynes@10 | 48 | #define CHECK_READ_WATCH( addr, size )
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nkeynes@234 | 49 | #define CHECK_WRITE_WATCH( addr, size, val )
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nkeynes@10 | 50 | #endif
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nkeynes@10 | 51 |
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nkeynes@172 | 52 | #define TRACE_IO( str, p, r, ... ) if(io_rgn[(uint32_t)p]->trace_flag && !MMIO_NOTRACE_BYNUM((uint32_t)p,r)) \
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nkeynes@172 | 53 | TRACE( str " [%s.%s: %s]", __VA_ARGS__, \
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nkeynes@10 | 54 | MMIO_NAME_BYNUM((uint32_t)p), MMIO_REGID_BYNUM((uint32_t)p, r), \
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nkeynes@10 | 55 | MMIO_REGDESC_BYNUM((uint32_t)p, r) )
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nkeynes@172 | 56 | #define TRACE_P4IO( str, io, r, ... ) if(io->trace_flag && !MMIO_NOTRACE_IOBYNUM(io,r)) \
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nkeynes@156 | 57 | TRACE( str " [%s.%s: %s]", __VA_ARGS__, \
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nkeynes@156 | 58 | io->id, MMIO_REGID_IOBYNUM(io, r), \
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nkeynes@156 | 59 | MMIO_REGDESC_IOBYNUM(io, r) )
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nkeynes@10 | 60 |
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nkeynes@10 | 61 | extern struct mem_region mem_rgn[];
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nkeynes@10 | 62 | extern struct mmio_region *P4_io[];
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nkeynes@10 | 63 |
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nkeynes@10 | 64 | int32_t sh4_read_p4( uint32_t addr )
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nkeynes@10 | 65 | {
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nkeynes@10 | 66 | struct mmio_region *io = P4_io[(addr&0x1FFFFFFF)>>19];
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nkeynes@10 | 67 | if( !io ) {
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nkeynes@282 | 68 | if( (addr & 0xFF000000) != 0xF4000000 ) {
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nkeynes@282 | 69 | /* OC address cache isn't implemented, but don't complain about it.
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nkeynes@282 | 70 | * Complain about anything else though */
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nkeynes@282 | 71 | ERROR( "Attempted read from unknown P4 region: %08X", addr );
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nkeynes@282 | 72 | }
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nkeynes@10 | 73 | return 0;
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nkeynes@10 | 74 | } else {
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nkeynes@156 | 75 | int32_t val = io->io_read( addr&0xFFF );
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nkeynes@156 | 76 | TRACE_P4IO( "Long read %08X <= %08X", io, (addr&0xFFF), val, addr );
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nkeynes@156 | 77 | return val;
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nkeynes@10 | 78 | }
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nkeynes@10 | 79 | }
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nkeynes@10 | 80 |
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nkeynes@10 | 81 | void sh4_write_p4( uint32_t addr, int32_t val )
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nkeynes@10 | 82 | {
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nkeynes@10 | 83 | struct mmio_region *io = P4_io[(addr&0x1FFFFFFF)>>19];
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nkeynes@10 | 84 | if( !io ) {
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nkeynes@10 | 85 | if( (addr & 0xFC000000) == 0xE0000000 ) {
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nkeynes@10 | 86 | /* Store queue */
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nkeynes@10 | 87 | SH4_WRITE_STORE_QUEUE( addr, val );
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nkeynes@38 | 88 | } else if( (addr & 0xFF000000) != 0xF4000000 ) {
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nkeynes@38 | 89 | /* OC address cache isn't implemented, but don't complain about it.
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nkeynes@38 | 90 | * Complain about anything else though */
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nkeynes@10 | 91 | ERROR( "Attempted write to unknown P4 region: %08X", addr );
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nkeynes@10 | 92 | }
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nkeynes@10 | 93 | } else {
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nkeynes@156 | 94 | TRACE_P4IO( "Long write %08X => %08X", io, (addr&0xFFF), val, addr );
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nkeynes@10 | 95 | io->io_write( addr&0xFFF, val );
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nkeynes@10 | 96 | }
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nkeynes@10 | 97 | }
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nkeynes@10 | 98 |
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nkeynes@10 | 99 | int32_t sh4_read_phys_word( uint32_t addr )
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nkeynes@10 | 100 | {
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nkeynes@10 | 101 | char *page;
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nkeynes@83 | 102 | if( addr >= 0xE0000000 ) /* P4 Area, handled specially */
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nkeynes@10 | 103 | return SIGNEXT16(sh4_read_p4( addr ));
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nkeynes@10 | 104 |
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nkeynes@10 | 105 | if( (addr&0x1F800000) == 0x04000000 ) {
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nkeynes@10 | 106 | addr = TRANSLATE_VIDEO_64BIT_ADDRESS(addr);
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nkeynes@10 | 107 | }
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nkeynes@10 | 108 |
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nkeynes@10 | 109 | page = page_map[ (addr & 0x1FFFFFFF) >> 12 ];
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nkeynes@10 | 110 | if( ((uint32_t)page) < MAX_IO_REGIONS ) { /* IO Region */
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nkeynes@10 | 111 | if( page == NULL ) {
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nkeynes@10 | 112 | ERROR( "Attempted word read to missing page: %08X",
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nkeynes@10 | 113 | addr );
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nkeynes@10 | 114 | return 0;
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nkeynes@10 | 115 | }
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nkeynes@10 | 116 | return SIGNEXT16(io_rgn[(uint32_t)page]->io_read(addr&0xFFF));
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nkeynes@10 | 117 | } else {
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nkeynes@10 | 118 | return SIGNEXT16(*(int16_t *)(page+(addr&0xFFF)));
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nkeynes@10 | 119 | }
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nkeynes@10 | 120 | }
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nkeynes@10 | 121 |
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nkeynes@10 | 122 | int32_t sh4_read_long( uint32_t addr )
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nkeynes@10 | 123 | {
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nkeynes@10 | 124 | char *page;
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nkeynes@10 | 125 |
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nkeynes@10 | 126 | CHECK_READ_WATCH(addr,4);
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nkeynes@10 | 127 |
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nkeynes@83 | 128 | if( addr >= 0xE0000000 ) /* P4 Area, handled specially */
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nkeynes@10 | 129 | return sh4_read_p4( addr );
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nkeynes@10 | 130 |
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nkeynes@10 | 131 | if( (addr&0x1F800000) == 0x04000000 ) {
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nkeynes@10 | 132 | addr = TRANSLATE_VIDEO_64BIT_ADDRESS(addr);
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nkeynes@355 | 133 | pvr2_render_buffer_invalidate(addr, FALSE);
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nkeynes@217 | 134 | } else if( (addr&0x1F800000) == 0x05000000 ) {
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nkeynes@355 | 135 | pvr2_render_buffer_invalidate(addr, FALSE);
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nkeynes@10 | 136 | }
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nkeynes@10 | 137 |
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nkeynes@10 | 138 | if( IS_MMU_ENABLED() ) {
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nkeynes@10 | 139 | ERROR( "user-mode & mmu translation not implemented, aborting", NULL );
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nkeynes@10 | 140 | sh4_stop();
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nkeynes@10 | 141 | return 0;
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nkeynes@10 | 142 | }
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nkeynes@10 | 143 |
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nkeynes@10 | 144 | page = page_map[ (addr & 0x1FFFFFFF) >> 12 ];
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nkeynes@10 | 145 | if( ((uint32_t)page) < MAX_IO_REGIONS ) { /* IO Region */
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nkeynes@10 | 146 | int32_t val;
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nkeynes@10 | 147 | if( page == NULL ) {
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nkeynes@10 | 148 | ERROR( "Attempted long read to missing page: %08X", addr );
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nkeynes@10 | 149 | return 0;
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nkeynes@10 | 150 | }
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nkeynes@10 | 151 | val = io_rgn[(uint32_t)page]->io_read(addr&0xFFF);
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nkeynes@10 | 152 | TRACE_IO( "Long read %08X <= %08X", page, (addr&0xFFF), val, addr );
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nkeynes@10 | 153 | return val;
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nkeynes@10 | 154 | } else {
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nkeynes@10 | 155 | return *(int32_t *)(page+(addr&0xFFF));
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nkeynes@10 | 156 | }
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nkeynes@10 | 157 | }
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nkeynes@10 | 158 |
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nkeynes@10 | 159 | int32_t sh4_read_word( uint32_t addr )
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nkeynes@10 | 160 | {
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nkeynes@10 | 161 | char *page;
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nkeynes@10 | 162 |
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nkeynes@10 | 163 | CHECK_READ_WATCH(addr,2);
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nkeynes@10 | 164 |
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nkeynes@83 | 165 | if( addr >= 0xE0000000 ) /* P4 Area, handled specially */
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nkeynes@10 | 166 | return SIGNEXT16(sh4_read_p4( addr ));
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nkeynes@10 | 167 |
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nkeynes@10 | 168 | if( (addr&0x1F800000) == 0x04000000 ) {
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nkeynes@10 | 169 | addr = TRANSLATE_VIDEO_64BIT_ADDRESS(addr);
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nkeynes@355 | 170 | pvr2_render_buffer_invalidate(addr, FALSE);
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nkeynes@217 | 171 | } else if( (addr&0x1F800000) == 0x05000000 ) {
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nkeynes@355 | 172 | pvr2_render_buffer_invalidate(addr, FALSE);
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nkeynes@10 | 173 | }
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nkeynes@217 | 174 |
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nkeynes@10 | 175 |
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nkeynes@10 | 176 | if( IS_MMU_ENABLED() ) {
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nkeynes@10 | 177 | ERROR( "user-mode & mmu translation not implemented, aborting", NULL );
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nkeynes@10 | 178 | sh4_stop();
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nkeynes@10 | 179 | return 0;
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nkeynes@10 | 180 | }
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nkeynes@10 | 181 |
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nkeynes@10 | 182 | page = page_map[ (addr & 0x1FFFFFFF) >> 12 ];
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nkeynes@10 | 183 | if( ((uint32_t)page) < MAX_IO_REGIONS ) { /* IO Region */
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nkeynes@10 | 184 | int32_t val;
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nkeynes@10 | 185 | if( page == NULL ) {
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nkeynes@10 | 186 | ERROR( "Attempted word read to missing page: %08X", addr );
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nkeynes@10 | 187 | return 0;
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nkeynes@10 | 188 | }
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nkeynes@10 | 189 | val = SIGNEXT16(io_rgn[(uint32_t)page]->io_read(addr&0xFFF));
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nkeynes@10 | 190 | TRACE_IO( "Word read %04X <= %08X", page, (addr&0xFFF), val&0xFFFF, addr );
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nkeynes@10 | 191 | return val;
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nkeynes@10 | 192 | } else {
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nkeynes@10 | 193 | return SIGNEXT16(*(int16_t *)(page+(addr&0xFFF)));
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nkeynes@10 | 194 | }
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nkeynes@10 | 195 | }
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nkeynes@10 | 196 |
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nkeynes@10 | 197 | int32_t sh4_read_byte( uint32_t addr )
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nkeynes@10 | 198 | {
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nkeynes@10 | 199 | char *page;
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nkeynes@10 | 200 |
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nkeynes@10 | 201 | CHECK_READ_WATCH(addr,1);
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nkeynes@10 | 202 |
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nkeynes@83 | 203 | if( addr >= 0xE0000000 ) /* P4 Area, handled specially */
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nkeynes@10 | 204 | return SIGNEXT8(sh4_read_p4( addr ));
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nkeynes@10 | 205 | if( (addr&0x1F800000) == 0x04000000 ) {
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nkeynes@10 | 206 | addr = TRANSLATE_VIDEO_64BIT_ADDRESS(addr);
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nkeynes@355 | 207 | pvr2_render_buffer_invalidate(addr, FALSE);
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nkeynes@217 | 208 | } else if( (addr&0x1F800000) == 0x05000000 ) {
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nkeynes@355 | 209 | pvr2_render_buffer_invalidate(addr, FALSE);
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nkeynes@10 | 210 | }
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nkeynes@217 | 211 |
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nkeynes@10 | 212 |
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nkeynes@10 | 213 | if( IS_MMU_ENABLED() ) {
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nkeynes@10 | 214 | ERROR( "user-mode & mmu translation not implemented, aborting", NULL );
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nkeynes@10 | 215 | sh4_stop();
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nkeynes@10 | 216 | return 0;
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nkeynes@10 | 217 | }
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nkeynes@10 | 218 |
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nkeynes@10 | 219 | page = page_map[ (addr & 0x1FFFFFFF) >> 12 ];
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nkeynes@10 | 220 | if( ((uint32_t)page) < MAX_IO_REGIONS ) { /* IO Region */
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nkeynes@10 | 221 | int32_t val;
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nkeynes@10 | 222 | if( page == NULL ) {
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nkeynes@10 | 223 | ERROR( "Attempted byte read to missing page: %08X", addr );
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nkeynes@10 | 224 | return 0;
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nkeynes@10 | 225 | }
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nkeynes@10 | 226 | val = SIGNEXT8(io_rgn[(uint32_t)page]->io_read(addr&0xFFF));
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nkeynes@10 | 227 | TRACE_IO( "Byte read %02X <= %08X", page, (addr&0xFFF), val&0xFF, addr );
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nkeynes@10 | 228 | return val;
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nkeynes@10 | 229 | } else {
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nkeynes@10 | 230 | return SIGNEXT8(*(int8_t *)(page+(addr&0xFFF)));
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nkeynes@10 | 231 | }
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nkeynes@10 | 232 | }
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nkeynes@10 | 233 |
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nkeynes@10 | 234 | void sh4_write_long( uint32_t addr, uint32_t val )
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nkeynes@10 | 235 | {
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nkeynes@10 | 236 | char *page;
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nkeynes@10 | 237 |
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nkeynes@10 | 238 | CHECK_WRITE_WATCH(addr,4,val);
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nkeynes@10 | 239 |
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nkeynes@83 | 240 | if( addr >= 0xE0000000 ) {
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nkeynes@10 | 241 | sh4_write_p4( addr, val );
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nkeynes@10 | 242 | return;
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nkeynes@10 | 243 | }
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nkeynes@130 | 244 | if( (addr&0x1F800000) == 0x04000000 ||
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nkeynes@130 | 245 | (addr&0x1F800000) == 0x11000000 ) {
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nkeynes@150 | 246 | texcache_invalidate_page(addr& 0x7FFFFF);
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nkeynes@10 | 247 | addr = TRANSLATE_VIDEO_64BIT_ADDRESS(addr);
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nkeynes@355 | 248 | pvr2_render_buffer_invalidate(addr, TRUE);
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nkeynes@165 | 249 | } else if( (addr&0x1F800000) == 0x05000000 ) {
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nkeynes@355 | 250 | pvr2_render_buffer_invalidate(addr, TRUE);
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nkeynes@10 | 251 | }
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nkeynes@10 | 252 |
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nkeynes@10 | 253 | if( IS_MMU_ENABLED() ) {
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nkeynes@10 | 254 | ERROR( "user-mode & mmu translation not implemented, aborting", NULL );
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nkeynes@10 | 255 | sh4_stop();
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nkeynes@10 | 256 | return;
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nkeynes@10 | 257 | }
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nkeynes@10 | 258 | if( (addr&0x1FFFFFFF) < 0x200000 ) {
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nkeynes@10 | 259 | ERROR( "Attempted write to read-only memory: %08X => %08X", val, addr);
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nkeynes@10 | 260 | sh4_stop();
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nkeynes@10 | 261 | return;
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nkeynes@10 | 262 | }
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nkeynes@137 | 263 | if( (addr&0x1F800000) == 0x00800000 )
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nkeynes@137 | 264 | asic_g2_write_word();
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nkeynes@137 | 265 |
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nkeynes@10 | 266 | page = page_map[ (addr & 0x1FFFFFFF) >> 12 ];
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nkeynes@10 | 267 | if( ((uint32_t)page) < MAX_IO_REGIONS ) { /* IO Region */
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nkeynes@10 | 268 | if( page == NULL ) {
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nkeynes@137 | 269 | if( (addr & 0x1F000000) >= 0x04000000 &&
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nkeynes@137 | 270 | (addr & 0x1F000000) < 0x07000000 )
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nkeynes@137 | 271 | return;
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nkeynes@10 | 272 | ERROR( "Long write to missing page: %08X => %08X", val, addr );
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nkeynes@10 | 273 | return;
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nkeynes@10 | 274 | }
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nkeynes@10 | 275 | TRACE_IO( "Long write %08X => %08X", page, (addr&0xFFF), val, addr );
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nkeynes@10 | 276 | io_rgn[(uint32_t)page]->io_write(addr&0xFFF, val);
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nkeynes@10 | 277 | } else {
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nkeynes@10 | 278 | *(uint32_t *)(page+(addr&0xFFF)) = val;
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nkeynes@10 | 279 | }
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nkeynes@10 | 280 | }
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nkeynes@10 | 281 |
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nkeynes@10 | 282 | void sh4_write_word( uint32_t addr, uint32_t val )
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nkeynes@10 | 283 | {
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nkeynes@10 | 284 | char *page;
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nkeynes@10 | 285 |
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nkeynes@10 | 286 | CHECK_WRITE_WATCH(addr,2,val);
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nkeynes@10 | 287 |
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nkeynes@83 | 288 | if( addr >= 0xE0000000 ) {
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nkeynes@10 | 289 | sh4_write_p4( addr, (int16_t)val );
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nkeynes@10 | 290 | return;
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nkeynes@10 | 291 | }
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nkeynes@130 | 292 | if( (addr&0x1F800000) == 0x04000000 ||
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nkeynes@130 | 293 | (addr&0x1F800000) == 0x11000000 ) {
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nkeynes@150 | 294 | texcache_invalidate_page(addr& 0x7FFFFF);
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nkeynes@10 | 295 | addr = TRANSLATE_VIDEO_64BIT_ADDRESS(addr);
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nkeynes@355 | 296 | pvr2_render_buffer_invalidate(addr, TRUE);
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nkeynes@165 | 297 | } else if( (addr&0x1F800000) == 0x05000000 ) {
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nkeynes@355 | 298 | pvr2_render_buffer_invalidate(addr, TRUE);
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nkeynes@10 | 299 | }
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nkeynes@10 | 300 | if( IS_MMU_ENABLED() ) {
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nkeynes@10 | 301 | ERROR( "user-mode & mmu translation not implemented, aborting", NULL );
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nkeynes@10 | 302 | sh4_stop();
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nkeynes@10 | 303 | return;
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nkeynes@10 | 304 | }
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nkeynes@10 | 305 | page = page_map[ (addr & 0x1FFFFFFF) >> 12 ];
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nkeynes@10 | 306 | if( ((uint32_t)page) < MAX_IO_REGIONS ) { /* IO Region */
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nkeynes@10 | 307 | if( page == NULL ) {
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nkeynes@10 | 308 | ERROR( "Attempted word write to missing page: %08X", addr );
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nkeynes@10 | 309 | return;
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nkeynes@10 | 310 | }
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nkeynes@10 | 311 | TRACE_IO( "Word write %04X => %08X", page, (addr&0xFFF), val&0xFFFF, addr );
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nkeynes@10 | 312 | io_rgn[(uint32_t)page]->io_write(addr&0xFFF, val);
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nkeynes@10 | 313 | } else {
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nkeynes@10 | 314 | *(uint16_t *)(page+(addr&0xFFF)) = val;
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nkeynes@10 | 315 | }
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nkeynes@10 | 316 | }
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nkeynes@10 | 317 |
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nkeynes@10 | 318 | void sh4_write_byte( uint32_t addr, uint32_t val )
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nkeynes@10 | 319 | {
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nkeynes@10 | 320 | char *page;
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nkeynes@10 | 321 |
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nkeynes@10 | 322 | CHECK_WRITE_WATCH(addr,1,val);
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nkeynes@10 | 323 |
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nkeynes@83 | 324 | if( addr >= 0xE0000000 ) {
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nkeynes@10 | 325 | sh4_write_p4( addr, (int8_t)val );
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nkeynes@10 | 326 | return;
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nkeynes@10 | 327 | }
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nkeynes@130 | 328 | if( (addr&0x1F800000) == 0x04000000 ||
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nkeynes@130 | 329 | (addr&0x1F800000) == 0x11000000 ) {
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nkeynes@150 | 330 | texcache_invalidate_page(addr& 0x7FFFFF);
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nkeynes@10 | 331 | addr = TRANSLATE_VIDEO_64BIT_ADDRESS(addr);
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nkeynes@355 | 332 | pvr2_render_buffer_invalidate(addr, TRUE);
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nkeynes@165 | 333 | } else if( (addr&0x1F800000) == 0x05000000 ) {
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nkeynes@355 | 334 | pvr2_render_buffer_invalidate(addr, TRUE);
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nkeynes@10 | 335 | }
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nkeynes@10 | 336 |
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nkeynes@10 | 337 | if( IS_MMU_ENABLED() ) {
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nkeynes@10 | 338 | ERROR( "user-mode & mmu translation not implemented, aborting", NULL );
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nkeynes@10 | 339 | sh4_stop();
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nkeynes@10 | 340 | return;
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nkeynes@10 | 341 | }
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nkeynes@10 | 342 | page = page_map[ (addr & 0x1FFFFFFF) >> 12 ];
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nkeynes@10 | 343 | if( ((uint32_t)page) < MAX_IO_REGIONS ) { /* IO Region */
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nkeynes@10 | 344 | if( page == NULL ) {
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nkeynes@10 | 345 | ERROR( "Attempted byte write to missing page: %08X", addr );
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nkeynes@10 | 346 | return;
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nkeynes@10 | 347 | }
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nkeynes@10 | 348 | TRACE_IO( "Byte write %02X => %08X", page, (addr&0xFFF), val&0xFF, addr );
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nkeynes@10 | 349 | io_rgn[(uint32_t)page]->io_write( (addr&0xFFF), val);
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nkeynes@10 | 350 | } else {
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nkeynes@10 | 351 | *(uint8_t *)(page+(addr&0xFFF)) = val;
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nkeynes@10 | 352 | }
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nkeynes@10 | 353 | }
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nkeynes@10 | 354 |
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nkeynes@10 | 355 |
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nkeynes@10 | 356 |
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nkeynes@10 | 357 | /* FIXME: Handle all the many special cases when the range doesn't fall cleanly
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nkeynes@10 | 358 | * into the same memory black
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nkeynes@10 | 359 | */
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nkeynes@10 | 360 | void mem_copy_from_sh4( char *dest, uint32_t srcaddr, size_t count ) {
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nkeynes@103 | 361 | if( srcaddr >= 0x04000000 && srcaddr < 0x05000000 ) {
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nkeynes@103 | 362 | pvr2_vram64_read( dest, srcaddr, count );
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nkeynes@103 | 363 | } else {
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nkeynes@103 | 364 | char *src = mem_get_region(srcaddr);
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nkeynes@103 | 365 | if( src == NULL ) {
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nkeynes@103 | 366 | ERROR( "Attempted block read from unknown address %08X", srcaddr );
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nkeynes@103 | 367 | } else {
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nkeynes@103 | 368 | memcpy( dest, src, count );
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nkeynes@103 | 369 | }
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nkeynes@103 | 370 | }
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nkeynes@10 | 371 | }
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nkeynes@10 | 372 |
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nkeynes@10 | 373 | void mem_copy_to_sh4( uint32_t destaddr, char *src, size_t count ) {
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nkeynes@325 | 374 | int region;
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nkeynes@325 | 375 |
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nkeynes@325 | 376 | if( destaddr >= 0x10000000 && destaddr < 0x14000000 ) {
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nkeynes@325 | 377 | pvr2_dma_write( destaddr, src, count );
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nkeynes@325 | 378 | return;
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nkeynes@325 | 379 | } else if( (destaddr & 0x1F800000) == 0x05000000 ) {
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nkeynes@355 | 380 | pvr2_render_buffer_invalidate( destaddr, TRUE );
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nkeynes@325 | 381 | } else if( (destaddr & 0x1F800000) == 0x04000000 ) {
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nkeynes@103 | 382 | pvr2_vram64_write( destaddr, src, count );
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nkeynes@325 | 383 | return;
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nkeynes@325 | 384 | }
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nkeynes@325 | 385 | char *dest = mem_get_region(destaddr);
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nkeynes@325 | 386 | if( dest == NULL )
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nkeynes@325 | 387 | ERROR( "Attempted block write to unknown address %08X", destaddr );
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nkeynes@325 | 388 | else {
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nkeynes@325 | 389 | memcpy( dest, src, count );
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nkeynes@90 | 390 | }
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nkeynes@10 | 391 | }
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