nkeynes@359 | 1 | /**
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nkeynes@369 | 2 | * $Id: sh4core.in,v 1.3 2007-09-08 03:12:21 nkeynes Exp $
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nkeynes@359 | 3 | *
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nkeynes@359 | 4 | * SH4 emulation core, and parent module for all the SH4 peripheral
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nkeynes@359 | 5 | * modules.
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nkeynes@359 | 6 | *
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nkeynes@359 | 7 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@359 | 8 | *
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nkeynes@359 | 9 | * This program is free software; you can redistribute it and/or modify
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nkeynes@359 | 10 | * it under the terms of the GNU General Public License as published by
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nkeynes@359 | 11 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@359 | 12 | * (at your option) any later version.
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nkeynes@359 | 13 | *
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nkeynes@359 | 14 | * This program is distributed in the hope that it will be useful,
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nkeynes@359 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@359 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@359 | 17 | * GNU General Public License for more details.
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nkeynes@359 | 18 | */
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nkeynes@359 | 19 |
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nkeynes@359 | 20 | #define MODULE sh4_module
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nkeynes@359 | 21 | #include <math.h>
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nkeynes@359 | 22 | #include "dream.h"
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nkeynes@359 | 23 | #include "sh4/sh4core.h"
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nkeynes@359 | 24 | #include "sh4/sh4mmio.h"
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nkeynes@359 | 25 | #include "sh4/intc.h"
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nkeynes@359 | 26 | #include "mem.h"
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nkeynes@359 | 27 | #include "clock.h"
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nkeynes@359 | 28 | #include "syscall.h"
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nkeynes@359 | 29 |
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nkeynes@359 | 30 | #define SH4_CALLTRACE 1
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nkeynes@359 | 31 |
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nkeynes@359 | 32 | #define MAX_INT 0x7FFFFFFF
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nkeynes@359 | 33 | #define MIN_INT 0x80000000
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nkeynes@359 | 34 | #define MAX_INTF 2147483647.0
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nkeynes@359 | 35 | #define MIN_INTF -2147483648.0
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nkeynes@359 | 36 |
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nkeynes@359 | 37 | #define EXV_EXCEPTION 0x100 /* General exception vector */
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nkeynes@359 | 38 | #define EXV_TLBMISS 0x400 /* TLB-miss exception vector */
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nkeynes@359 | 39 | #define EXV_INTERRUPT 0x600 /* External interrupt vector */
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nkeynes@359 | 40 |
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nkeynes@359 | 41 | /********************** SH4 Module Definition ****************************/
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nkeynes@359 | 42 |
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nkeynes@359 | 43 | void sh4_init( void );
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nkeynes@359 | 44 | void sh4_reset( void );
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nkeynes@359 | 45 | uint32_t sh4_run_slice( uint32_t );
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nkeynes@359 | 46 | void sh4_start( void );
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nkeynes@359 | 47 | void sh4_stop( void );
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nkeynes@359 | 48 | void sh4_save_state( FILE *f );
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nkeynes@359 | 49 | int sh4_load_state( FILE *f );
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nkeynes@359 | 50 | void sh4_accept_interrupt( void );
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nkeynes@359 | 51 |
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nkeynes@359 | 52 | struct dreamcast_module sh4_module = { "SH4", sh4_init, sh4_reset,
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nkeynes@359 | 53 | NULL, sh4_run_slice, sh4_stop,
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nkeynes@359 | 54 | sh4_save_state, sh4_load_state };
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nkeynes@359 | 55 |
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nkeynes@359 | 56 | struct sh4_registers sh4r;
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nkeynes@359 | 57 |
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nkeynes@359 | 58 | void sh4_init(void)
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nkeynes@359 | 59 | {
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nkeynes@359 | 60 | register_io_regions( mmio_list_sh4mmio );
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nkeynes@359 | 61 | MMU_init();
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nkeynes@359 | 62 | sh4_reset();
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nkeynes@359 | 63 | }
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nkeynes@359 | 64 |
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nkeynes@359 | 65 | void sh4_reset(void)
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nkeynes@359 | 66 | {
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nkeynes@359 | 67 | /* zero everything out, for the sake of having a consistent state. */
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nkeynes@359 | 68 | memset( &sh4r, 0, sizeof(sh4r) );
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nkeynes@359 | 69 |
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nkeynes@359 | 70 | /* Resume running if we were halted */
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nkeynes@359 | 71 | sh4r.sh4_state = SH4_STATE_RUNNING;
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nkeynes@359 | 72 |
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nkeynes@359 | 73 | sh4r.pc = 0xA0000000;
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nkeynes@359 | 74 | sh4r.new_pc= 0xA0000002;
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nkeynes@359 | 75 | sh4r.vbr = 0x00000000;
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nkeynes@359 | 76 | sh4r.fpscr = 0x00040001;
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nkeynes@359 | 77 | sh4r.sr = 0x700000F0;
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nkeynes@359 | 78 |
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nkeynes@359 | 79 | /* Mem reset will do this, but if we want to reset _just_ the SH4... */
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nkeynes@359 | 80 | MMIO_WRITE( MMU, EXPEVT, EXC_POWER_RESET );
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nkeynes@359 | 81 |
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nkeynes@359 | 82 | /* Peripheral modules */
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nkeynes@359 | 83 | CPG_reset();
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nkeynes@359 | 84 | INTC_reset();
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nkeynes@359 | 85 | MMU_reset();
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nkeynes@359 | 86 | TMU_reset();
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nkeynes@359 | 87 | SCIF_reset();
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nkeynes@359 | 88 | }
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nkeynes@359 | 89 |
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nkeynes@359 | 90 | static struct breakpoint_struct sh4_breakpoints[MAX_BREAKPOINTS];
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nkeynes@359 | 91 | static int sh4_breakpoint_count = 0;
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nkeynes@359 | 92 | static uint16_t *sh4_icache = NULL;
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nkeynes@359 | 93 | static uint32_t sh4_icache_addr = 0;
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nkeynes@359 | 94 |
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nkeynes@359 | 95 | void sh4_set_breakpoint( uint32_t pc, int type )
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nkeynes@359 | 96 | {
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nkeynes@359 | 97 | sh4_breakpoints[sh4_breakpoint_count].address = pc;
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nkeynes@359 | 98 | sh4_breakpoints[sh4_breakpoint_count].type = type;
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nkeynes@359 | 99 | sh4_breakpoint_count++;
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nkeynes@359 | 100 | }
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nkeynes@359 | 101 |
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nkeynes@359 | 102 | gboolean sh4_clear_breakpoint( uint32_t pc, int type )
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nkeynes@359 | 103 | {
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nkeynes@359 | 104 | int i;
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nkeynes@359 | 105 |
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nkeynes@359 | 106 | for( i=0; i<sh4_breakpoint_count; i++ ) {
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nkeynes@359 | 107 | if( sh4_breakpoints[i].address == pc &&
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nkeynes@359 | 108 | sh4_breakpoints[i].type == type ) {
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nkeynes@359 | 109 | while( ++i < sh4_breakpoint_count ) {
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nkeynes@359 | 110 | sh4_breakpoints[i-1].address = sh4_breakpoints[i].address;
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nkeynes@359 | 111 | sh4_breakpoints[i-1].type = sh4_breakpoints[i].type;
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nkeynes@359 | 112 | }
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nkeynes@359 | 113 | sh4_breakpoint_count--;
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nkeynes@359 | 114 | return TRUE;
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nkeynes@359 | 115 | }
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nkeynes@359 | 116 | }
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nkeynes@359 | 117 | return FALSE;
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nkeynes@359 | 118 | }
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nkeynes@359 | 119 |
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nkeynes@359 | 120 | int sh4_get_breakpoint( uint32_t pc )
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nkeynes@359 | 121 | {
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nkeynes@359 | 122 | int i;
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nkeynes@359 | 123 | for( i=0; i<sh4_breakpoint_count; i++ ) {
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nkeynes@359 | 124 | if( sh4_breakpoints[i].address == pc )
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nkeynes@359 | 125 | return sh4_breakpoints[i].type;
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nkeynes@359 | 126 | }
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nkeynes@359 | 127 | return 0;
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nkeynes@359 | 128 | }
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nkeynes@359 | 129 |
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nkeynes@359 | 130 | uint32_t sh4_run_slice( uint32_t nanosecs )
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nkeynes@359 | 131 | {
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nkeynes@359 | 132 | int i;
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nkeynes@359 | 133 | sh4r.slice_cycle = 0;
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nkeynes@359 | 134 |
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nkeynes@359 | 135 | if( sh4r.sh4_state != SH4_STATE_RUNNING ) {
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nkeynes@359 | 136 | if( sh4r.event_pending < nanosecs ) {
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nkeynes@359 | 137 | sh4r.sh4_state = SH4_STATE_RUNNING;
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nkeynes@359 | 138 | sh4r.slice_cycle = sh4r.event_pending;
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nkeynes@359 | 139 | }
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nkeynes@359 | 140 | }
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nkeynes@359 | 141 |
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nkeynes@359 | 142 | if( sh4_breakpoint_count == 0 ) {
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nkeynes@359 | 143 | for( ; sh4r.slice_cycle < nanosecs; sh4r.slice_cycle += sh4_cpu_period ) {
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nkeynes@359 | 144 | if( SH4_EVENT_PENDING() ) {
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nkeynes@359 | 145 | if( sh4r.event_types & PENDING_EVENT ) {
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nkeynes@359 | 146 | event_execute();
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nkeynes@359 | 147 | }
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nkeynes@359 | 148 | /* Eventq execute may (quite likely) deliver an immediate IRQ */
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nkeynes@359 | 149 | if( sh4r.event_types & PENDING_IRQ ) {
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nkeynes@359 | 150 | sh4_accept_interrupt();
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nkeynes@359 | 151 | }
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nkeynes@359 | 152 | }
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nkeynes@359 | 153 | if( !sh4_execute_instruction() ) {
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nkeynes@359 | 154 | break;
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nkeynes@359 | 155 | }
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nkeynes@359 | 156 | }
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nkeynes@359 | 157 | } else {
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nkeynes@359 | 158 | for( ;sh4r.slice_cycle < nanosecs; sh4r.slice_cycle += sh4_cpu_period ) {
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nkeynes@359 | 159 | if( SH4_EVENT_PENDING() ) {
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nkeynes@359 | 160 | if( sh4r.event_types & PENDING_EVENT ) {
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nkeynes@359 | 161 | event_execute();
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nkeynes@359 | 162 | }
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nkeynes@359 | 163 | /* Eventq execute may (quite likely) deliver an immediate IRQ */
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nkeynes@359 | 164 | if( sh4r.event_types & PENDING_IRQ ) {
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nkeynes@359 | 165 | sh4_accept_interrupt();
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nkeynes@359 | 166 | }
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nkeynes@359 | 167 | }
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nkeynes@359 | 168 |
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nkeynes@359 | 169 | if( !sh4_execute_instruction() )
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nkeynes@359 | 170 | break;
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nkeynes@359 | 171 | #ifdef ENABLE_DEBUG_MODE
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nkeynes@359 | 172 | for( i=0; i<sh4_breakpoint_count; i++ ) {
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nkeynes@359 | 173 | if( sh4_breakpoints[i].address == sh4r.pc ) {
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nkeynes@359 | 174 | break;
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nkeynes@359 | 175 | }
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nkeynes@359 | 176 | }
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nkeynes@359 | 177 | if( i != sh4_breakpoint_count ) {
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nkeynes@359 | 178 | dreamcast_stop();
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nkeynes@359 | 179 | if( sh4_breakpoints[i].type == BREAK_ONESHOT )
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nkeynes@359 | 180 | sh4_clear_breakpoint( sh4r.pc, BREAK_ONESHOT );
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nkeynes@359 | 181 | break;
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nkeynes@359 | 182 | }
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nkeynes@359 | 183 | #endif
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nkeynes@359 | 184 | }
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nkeynes@359 | 185 | }
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nkeynes@359 | 186 |
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nkeynes@359 | 187 | /* If we aborted early, but the cpu is still technically running,
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nkeynes@359 | 188 | * we're doing a hard abort - cut the timeslice back to what we
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nkeynes@359 | 189 | * actually executed
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nkeynes@359 | 190 | */
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nkeynes@359 | 191 | if( sh4r.slice_cycle != nanosecs && sh4r.sh4_state == SH4_STATE_RUNNING ) {
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nkeynes@359 | 192 | nanosecs = sh4r.slice_cycle;
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nkeynes@359 | 193 | }
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nkeynes@359 | 194 | if( sh4r.sh4_state != SH4_STATE_STANDBY ) {
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nkeynes@359 | 195 | TMU_run_slice( nanosecs );
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nkeynes@359 | 196 | SCIF_run_slice( nanosecs );
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nkeynes@359 | 197 | }
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nkeynes@359 | 198 | return nanosecs;
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nkeynes@359 | 199 | }
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nkeynes@359 | 200 |
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nkeynes@359 | 201 | void sh4_stop(void)
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nkeynes@359 | 202 | {
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nkeynes@359 | 203 |
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nkeynes@359 | 204 | }
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nkeynes@359 | 205 |
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nkeynes@359 | 206 | void sh4_save_state( FILE *f )
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nkeynes@359 | 207 | {
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nkeynes@359 | 208 | fwrite( &sh4r, sizeof(sh4r), 1, f );
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nkeynes@359 | 209 | MMU_save_state( f );
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nkeynes@359 | 210 | INTC_save_state( f );
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nkeynes@359 | 211 | TMU_save_state( f );
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nkeynes@359 | 212 | SCIF_save_state( f );
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nkeynes@359 | 213 | }
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nkeynes@359 | 214 |
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nkeynes@359 | 215 | int sh4_load_state( FILE * f )
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nkeynes@359 | 216 | {
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nkeynes@359 | 217 | fread( &sh4r, sizeof(sh4r), 1, f );
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nkeynes@359 | 218 | MMU_load_state( f );
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nkeynes@359 | 219 | INTC_load_state( f );
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nkeynes@359 | 220 | TMU_load_state( f );
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nkeynes@359 | 221 | return SCIF_load_state( f );
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nkeynes@359 | 222 | }
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nkeynes@359 | 223 |
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nkeynes@359 | 224 | /********************** SH4 emulation core ****************************/
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nkeynes@359 | 225 |
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nkeynes@359 | 226 | void sh4_set_pc( int pc )
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nkeynes@359 | 227 | {
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nkeynes@359 | 228 | sh4r.pc = pc;
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nkeynes@359 | 229 | sh4r.new_pc = pc+2;
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nkeynes@359 | 230 | }
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nkeynes@359 | 231 |
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nkeynes@359 | 232 | #define UNDEF(ir) return sh4_raise_slot_exception(EXC_ILLEGAL, EXC_SLOT_ILLEGAL)
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nkeynes@359 | 233 | #define UNIMP(ir) do{ ERROR( "Halted on unimplemented instruction at %08x, opcode = %04x", sh4r.pc, ir ); dreamcast_stop(); return FALSE; }while(0)
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nkeynes@359 | 234 |
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nkeynes@359 | 235 | #if(SH4_CALLTRACE == 1)
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nkeynes@359 | 236 | #define MAX_CALLSTACK 32
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nkeynes@359 | 237 | static struct call_stack {
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nkeynes@359 | 238 | sh4addr_t call_addr;
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nkeynes@359 | 239 | sh4addr_t target_addr;
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nkeynes@359 | 240 | sh4addr_t stack_pointer;
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nkeynes@359 | 241 | } call_stack[MAX_CALLSTACK];
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nkeynes@359 | 242 |
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nkeynes@359 | 243 | static int call_stack_depth = 0;
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nkeynes@359 | 244 | int sh4_call_trace_on = 0;
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nkeynes@359 | 245 |
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nkeynes@359 | 246 | static inline trace_call( sh4addr_t source, sh4addr_t dest )
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nkeynes@359 | 247 | {
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nkeynes@359 | 248 | if( call_stack_depth < MAX_CALLSTACK ) {
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nkeynes@359 | 249 | call_stack[call_stack_depth].call_addr = source;
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nkeynes@359 | 250 | call_stack[call_stack_depth].target_addr = dest;
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nkeynes@359 | 251 | call_stack[call_stack_depth].stack_pointer = sh4r.r[15];
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nkeynes@359 | 252 | }
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nkeynes@359 | 253 | call_stack_depth++;
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nkeynes@359 | 254 | }
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nkeynes@359 | 255 |
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nkeynes@359 | 256 | static inline trace_return( sh4addr_t source, sh4addr_t dest )
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nkeynes@359 | 257 | {
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nkeynes@359 | 258 | if( call_stack_depth > 0 ) {
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nkeynes@359 | 259 | call_stack_depth--;
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nkeynes@359 | 260 | }
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nkeynes@359 | 261 | }
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nkeynes@359 | 262 |
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nkeynes@359 | 263 | void fprint_stack_trace( FILE *f )
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nkeynes@359 | 264 | {
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nkeynes@359 | 265 | int i = call_stack_depth -1;
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nkeynes@359 | 266 | if( i >= MAX_CALLSTACK )
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nkeynes@359 | 267 | i = MAX_CALLSTACK - 1;
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nkeynes@359 | 268 | for( ; i >= 0; i-- ) {
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nkeynes@359 | 269 | fprintf( f, "%d. Call from %08X => %08X, SP=%08X\n",
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nkeynes@359 | 270 | (call_stack_depth - i), call_stack[i].call_addr,
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nkeynes@359 | 271 | call_stack[i].target_addr, call_stack[i].stack_pointer );
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nkeynes@359 | 272 | }
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nkeynes@359 | 273 | }
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nkeynes@359 | 274 |
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nkeynes@359 | 275 | #define TRACE_CALL( source, dest ) trace_call(source, dest)
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nkeynes@359 | 276 | #define TRACE_RETURN( source, dest ) trace_return(source, dest)
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nkeynes@359 | 277 | #else
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nkeynes@359 | 278 | #define TRACE_CALL( dest, rts )
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nkeynes@359 | 279 | #define TRACE_RETURN( source, dest )
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nkeynes@359 | 280 | #endif
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nkeynes@359 | 281 |
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nkeynes@359 | 282 | #define RAISE( x, v ) do{ \
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nkeynes@359 | 283 | if( sh4r.vbr == 0 ) { \
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nkeynes@359 | 284 | ERROR( "%08X: VBR not initialized while raising exception %03X, halting", sh4r.pc, x ); \
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nkeynes@359 | 285 | dreamcast_stop(); return FALSE; \
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nkeynes@359 | 286 | } else { \
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nkeynes@359 | 287 | sh4r.spc = sh4r.pc; \
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nkeynes@359 | 288 | sh4r.ssr = sh4_read_sr(); \
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nkeynes@359 | 289 | sh4r.sgr = sh4r.r[15]; \
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nkeynes@359 | 290 | MMIO_WRITE(MMU,EXPEVT,x); \
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nkeynes@359 | 291 | sh4r.pc = sh4r.vbr + v; \
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nkeynes@359 | 292 | sh4r.new_pc = sh4r.pc + 2; \
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nkeynes@359 | 293 | sh4_load_sr( sh4r.ssr |SR_MD|SR_BL|SR_RB ); \
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nkeynes@359 | 294 | if( sh4r.in_delay_slot ) { \
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nkeynes@359 | 295 | sh4r.in_delay_slot = 0; \
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nkeynes@359 | 296 | sh4r.spc -= 2; \
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nkeynes@359 | 297 | } \
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nkeynes@359 | 298 | } \
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nkeynes@359 | 299 | return TRUE; } while(0)
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nkeynes@359 | 300 |
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nkeynes@359 | 301 | #define MEM_READ_BYTE( addr ) sh4_read_byte(addr)
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nkeynes@359 | 302 | #define MEM_READ_WORD( addr ) sh4_read_word(addr)
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nkeynes@359 | 303 | #define MEM_READ_LONG( addr ) sh4_read_long(addr)
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nkeynes@359 | 304 | #define MEM_WRITE_BYTE( addr, val ) sh4_write_byte(addr, val)
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nkeynes@359 | 305 | #define MEM_WRITE_WORD( addr, val ) sh4_write_word(addr, val)
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nkeynes@359 | 306 | #define MEM_WRITE_LONG( addr, val ) sh4_write_long(addr, val)
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nkeynes@359 | 307 |
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nkeynes@359 | 308 | #define FP_WIDTH (IS_FPU_DOUBLESIZE() ? 8 : 4)
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nkeynes@359 | 309 |
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nkeynes@359 | 310 | #define MEM_FP_READ( addr, reg ) sh4_read_float( addr, reg );
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nkeynes@359 | 311 | #define MEM_FP_WRITE( addr, reg ) sh4_write_float( addr, reg );
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nkeynes@359 | 312 |
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nkeynes@359 | 313 | #define CHECKPRIV() if( !IS_SH4_PRIVMODE() ) return sh4_raise_slot_exception( EXC_ILLEGAL, EXC_SLOT_ILLEGAL )
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nkeynes@367 | 314 | #define CHECKRALIGN16(addr) if( (addr)&0x01 ) return sh4_raise_exception( EXC_DATA_ADDR_READ )
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nkeynes@367 | 315 | #define CHECKRALIGN32(addr) if( (addr)&0x03 ) return sh4_raise_exception( EXC_DATA_ADDR_READ )
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nkeynes@367 | 316 | #define CHECKWALIGN16(addr) if( (addr)&0x01 ) return sh4_raise_exception( EXC_DATA_ADDR_WRITE )
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nkeynes@367 | 317 | #define CHECKWALIGN32(addr) if( (addr)&0x03 ) return sh4_raise_exception( EXC_DATA_ADDR_WRITE )
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nkeynes@359 | 318 |
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nkeynes@367 | 319 | #define CHECKFPUEN() if( !IS_FPU_ENABLED() ) { if( ir == 0xFFFD ) { UNDEF(ir); } else { return sh4_raise_slot_exception( EXC_FPU_DISABLED, EXC_SLOT_FPU_DISABLED ); } }
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nkeynes@359 | 320 | #define CHECKDEST(p) if( (p) == 0 ) { ERROR( "%08X: Branch/jump to NULL, CPU halted", sh4r.pc ); dreamcast_stop(); return FALSE; }
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nkeynes@359 | 321 | #define CHECKSLOTILLEGAL() if(sh4r.in_delay_slot) return sh4_raise_exception(EXC_SLOT_ILLEGAL)
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nkeynes@359 | 322 |
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nkeynes@359 | 323 | static void sh4_switch_banks( )
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nkeynes@359 | 324 | {
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nkeynes@359 | 325 | uint32_t tmp[8];
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nkeynes@359 | 326 |
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nkeynes@359 | 327 | memcpy( tmp, sh4r.r, sizeof(uint32_t)*8 );
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nkeynes@359 | 328 | memcpy( sh4r.r, sh4r.r_bank, sizeof(uint32_t)*8 );
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nkeynes@359 | 329 | memcpy( sh4r.r_bank, tmp, sizeof(uint32_t)*8 );
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nkeynes@359 | 330 | }
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nkeynes@359 | 331 |
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nkeynes@359 | 332 | static void sh4_load_sr( uint32_t newval )
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nkeynes@359 | 333 | {
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nkeynes@359 | 334 | if( (newval ^ sh4r.sr) & SR_RB )
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nkeynes@359 | 335 | sh4_switch_banks();
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nkeynes@359 | 336 | sh4r.sr = newval;
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nkeynes@359 | 337 | sh4r.t = (newval&SR_T) ? 1 : 0;
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nkeynes@359 | 338 | sh4r.s = (newval&SR_S) ? 1 : 0;
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nkeynes@359 | 339 | sh4r.m = (newval&SR_M) ? 1 : 0;
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nkeynes@359 | 340 | sh4r.q = (newval&SR_Q) ? 1 : 0;
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nkeynes@359 | 341 | intc_mask_changed();
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nkeynes@359 | 342 | }
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nkeynes@359 | 343 |
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nkeynes@359 | 344 | static void sh4_write_float( uint32_t addr, int reg )
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nkeynes@359 | 345 | {
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nkeynes@359 | 346 | if( IS_FPU_DOUBLESIZE() ) {
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nkeynes@359 | 347 | if( reg & 1 ) {
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nkeynes@359 | 348 | sh4_write_long( addr, *((uint32_t *)&XF((reg)&0x0E)) );
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nkeynes@359 | 349 | sh4_write_long( addr+4, *((uint32_t *)&XF(reg)) );
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nkeynes@359 | 350 | } else {
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nkeynes@359 | 351 | sh4_write_long( addr, *((uint32_t *)&FR(reg)) );
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nkeynes@359 | 352 | sh4_write_long( addr+4, *((uint32_t *)&FR((reg)|0x01)) );
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nkeynes@359 | 353 | }
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nkeynes@359 | 354 | } else {
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nkeynes@359 | 355 | sh4_write_long( addr, *((uint32_t *)&FR((reg))) );
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nkeynes@359 | 356 | }
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nkeynes@359 | 357 | }
|
nkeynes@359 | 358 |
|
nkeynes@359 | 359 | static void sh4_read_float( uint32_t addr, int reg )
|
nkeynes@359 | 360 | {
|
nkeynes@359 | 361 | if( IS_FPU_DOUBLESIZE() ) {
|
nkeynes@359 | 362 | if( reg & 1 ) {
|
nkeynes@359 | 363 | *((uint32_t *)&XF((reg) & 0x0E)) = sh4_read_long(addr);
|
nkeynes@359 | 364 | *((uint32_t *)&XF(reg)) = sh4_read_long(addr+4);
|
nkeynes@359 | 365 | } else {
|
nkeynes@359 | 366 | *((uint32_t *)&FR(reg)) = sh4_read_long(addr);
|
nkeynes@359 | 367 | *((uint32_t *)&FR((reg) | 0x01)) = sh4_read_long(addr+4);
|
nkeynes@359 | 368 | }
|
nkeynes@359 | 369 | } else {
|
nkeynes@359 | 370 | *((uint32_t *)&FR(reg)) = sh4_read_long(addr);
|
nkeynes@359 | 371 | }
|
nkeynes@359 | 372 | }
|
nkeynes@359 | 373 |
|
nkeynes@359 | 374 | static uint32_t sh4_read_sr( void )
|
nkeynes@359 | 375 | {
|
nkeynes@359 | 376 | /* synchronize sh4r.sr with the various bitflags */
|
nkeynes@359 | 377 | sh4r.sr &= SR_MQSTMASK;
|
nkeynes@359 | 378 | if( sh4r.t ) sh4r.sr |= SR_T;
|
nkeynes@359 | 379 | if( sh4r.s ) sh4r.sr |= SR_S;
|
nkeynes@359 | 380 | if( sh4r.m ) sh4r.sr |= SR_M;
|
nkeynes@359 | 381 | if( sh4r.q ) sh4r.sr |= SR_Q;
|
nkeynes@359 | 382 | return sh4r.sr;
|
nkeynes@359 | 383 | }
|
nkeynes@359 | 384 |
|
nkeynes@359 | 385 | /**
|
nkeynes@359 | 386 | * Raise a general CPU exception for the specified exception code.
|
nkeynes@359 | 387 | * (NOT for TRAPA or TLB exceptions)
|
nkeynes@359 | 388 | */
|
nkeynes@359 | 389 | gboolean sh4_raise_exception( int code )
|
nkeynes@359 | 390 | {
|
nkeynes@359 | 391 | RAISE( code, EXV_EXCEPTION );
|
nkeynes@359 | 392 | }
|
nkeynes@359 | 393 |
|
nkeynes@359 | 394 | gboolean sh4_raise_slot_exception( int normal_code, int slot_code ) {
|
nkeynes@359 | 395 | if( sh4r.in_delay_slot ) {
|
nkeynes@359 | 396 | return sh4_raise_exception(slot_code);
|
nkeynes@359 | 397 | } else {
|
nkeynes@359 | 398 | return sh4_raise_exception(normal_code);
|
nkeynes@359 | 399 | }
|
nkeynes@359 | 400 | }
|
nkeynes@359 | 401 |
|
nkeynes@359 | 402 | gboolean sh4_raise_tlb_exception( int code )
|
nkeynes@359 | 403 | {
|
nkeynes@359 | 404 | RAISE( code, EXV_TLBMISS );
|
nkeynes@359 | 405 | }
|
nkeynes@359 | 406 |
|
nkeynes@359 | 407 | void sh4_accept_interrupt( void )
|
nkeynes@359 | 408 | {
|
nkeynes@359 | 409 | uint32_t code = intc_accept_interrupt();
|
nkeynes@359 | 410 | sh4r.ssr = sh4_read_sr();
|
nkeynes@359 | 411 | sh4r.spc = sh4r.pc;
|
nkeynes@359 | 412 | sh4r.sgr = sh4r.r[15];
|
nkeynes@359 | 413 | sh4_load_sr( sh4r.ssr|SR_BL|SR_MD|SR_RB );
|
nkeynes@359 | 414 | MMIO_WRITE( MMU, INTEVT, code );
|
nkeynes@359 | 415 | sh4r.pc = sh4r.vbr + 0x600;
|
nkeynes@359 | 416 | sh4r.new_pc = sh4r.pc + 2;
|
nkeynes@359 | 417 | // WARN( "Accepting interrupt %03X, from %08X => %08X", code, sh4r.spc, sh4r.pc );
|
nkeynes@359 | 418 | }
|
nkeynes@359 | 419 |
|
nkeynes@359 | 420 | gboolean sh4_execute_instruction( void )
|
nkeynes@359 | 421 | {
|
nkeynes@359 | 422 | uint32_t pc;
|
nkeynes@359 | 423 | unsigned short ir;
|
nkeynes@359 | 424 | uint32_t tmp;
|
nkeynes@359 | 425 | float ftmp;
|
nkeynes@359 | 426 | double dtmp;
|
nkeynes@359 | 427 |
|
nkeynes@359 | 428 | #define R0 sh4r.r[0]
|
nkeynes@359 | 429 | pc = sh4r.pc;
|
nkeynes@359 | 430 | if( pc > 0xFFFFFF00 ) {
|
nkeynes@359 | 431 | /* SYSCALL Magic */
|
nkeynes@359 | 432 | syscall_invoke( pc );
|
nkeynes@359 | 433 | sh4r.in_delay_slot = 0;
|
nkeynes@359 | 434 | pc = sh4r.pc = sh4r.pr;
|
nkeynes@359 | 435 | sh4r.new_pc = sh4r.pc + 2;
|
nkeynes@359 | 436 | }
|
nkeynes@359 | 437 | CHECKRALIGN16(pc);
|
nkeynes@359 | 438 |
|
nkeynes@359 | 439 | /* Read instruction */
|
nkeynes@359 | 440 | uint32_t pageaddr = pc >> 12;
|
nkeynes@359 | 441 | if( sh4_icache != NULL && pageaddr == sh4_icache_addr ) {
|
nkeynes@359 | 442 | ir = sh4_icache[(pc&0xFFF)>>1];
|
nkeynes@359 | 443 | } else {
|
nkeynes@359 | 444 | sh4_icache = (uint16_t *)mem_get_page(pc);
|
nkeynes@359 | 445 | if( ((uint32_t)sh4_icache) < MAX_IO_REGIONS ) {
|
nkeynes@359 | 446 | /* If someone's actually been so daft as to try to execute out of an IO
|
nkeynes@359 | 447 | * region, fallback on the full-blown memory read
|
nkeynes@359 | 448 | */
|
nkeynes@359 | 449 | sh4_icache = NULL;
|
nkeynes@359 | 450 | ir = MEM_READ_WORD(pc);
|
nkeynes@359 | 451 | } else {
|
nkeynes@359 | 452 | sh4_icache_addr = pageaddr;
|
nkeynes@359 | 453 | ir = sh4_icache[(pc&0xFFF)>>1];
|
nkeynes@359 | 454 | }
|
nkeynes@359 | 455 | }
|
nkeynes@359 | 456 | %%
|
nkeynes@359 | 457 | AND Rm, Rn {: sh4r.r[Rn] &= sh4r.r[Rm]; :}
|
nkeynes@359 | 458 | AND #imm, R0 {: R0 &= imm; :}
|
nkeynes@359 | 459 | AND.B #imm, @(R0, GBR) {: MEM_WRITE_BYTE( R0 + sh4r.gbr, imm & MEM_READ_BYTE(R0 + sh4r.gbr) ); :}
|
nkeynes@359 | 460 | NOT Rm, Rn {: sh4r.r[Rn] = ~sh4r.r[Rm]; :}
|
nkeynes@359 | 461 | OR Rm, Rn {: sh4r.r[Rn] |= sh4r.r[Rm]; :}
|
nkeynes@359 | 462 | OR #imm, R0 {: R0 |= imm; :}
|
nkeynes@359 | 463 | OR.B #imm, @(R0, GBR) {: MEM_WRITE_BYTE( R0 + sh4r.gbr, imm | MEM_READ_BYTE(R0 + sh4r.gbr) ); :}
|
nkeynes@359 | 464 | TAS.B @Rn {:
|
nkeynes@359 | 465 | tmp = MEM_READ_BYTE( sh4r.r[Rn] );
|
nkeynes@359 | 466 | sh4r.t = ( tmp == 0 ? 1 : 0 );
|
nkeynes@359 | 467 | MEM_WRITE_BYTE( sh4r.r[Rn], tmp | 0x80 );
|
nkeynes@359 | 468 | :}
|
nkeynes@359 | 469 | TST Rm, Rn {: sh4r.t = (sh4r.r[Rn]&sh4r.r[Rm] ? 0 : 1); :}
|
nkeynes@359 | 470 | TST #imm, R0 {: sh4r.t = (R0 & imm ? 0 : 1); :}
|
nkeynes@359 | 471 | TST.B #imm, @(R0, GBR) {: sh4r.t = ( MEM_READ_BYTE(R0 + sh4r.gbr) & imm ? 0 : 1 ); :}
|
nkeynes@359 | 472 | XOR Rm, Rn {: sh4r.r[Rn] ^= sh4r.r[Rm]; :}
|
nkeynes@359 | 473 | XOR #imm, R0 {: R0 ^= imm; :}
|
nkeynes@359 | 474 | XOR.B #imm, @(R0, GBR) {: MEM_WRITE_BYTE( R0 + sh4r.gbr, imm ^ MEM_READ_BYTE(R0 + sh4r.gbr) ); :}
|
nkeynes@359 | 475 | XTRCT Rm, Rn {: sh4r.r[Rn] = (sh4r.r[Rn]>>16) | (sh4r.r[Rm]<<16); :}
|
nkeynes@359 | 476 |
|
nkeynes@359 | 477 | ROTL Rn {:
|
nkeynes@359 | 478 | sh4r.t = sh4r.r[Rn] >> 31;
|
nkeynes@359 | 479 | sh4r.r[Rn] <<= 1;
|
nkeynes@359 | 480 | sh4r.r[Rn] |= sh4r.t;
|
nkeynes@359 | 481 | :}
|
nkeynes@359 | 482 | ROTR Rn {:
|
nkeynes@359 | 483 | sh4r.t = sh4r.r[Rn] & 0x00000001;
|
nkeynes@359 | 484 | sh4r.r[Rn] >>= 1;
|
nkeynes@359 | 485 | sh4r.r[Rn] |= (sh4r.t << 31);
|
nkeynes@359 | 486 | :}
|
nkeynes@359 | 487 | ROTCL Rn {:
|
nkeynes@359 | 488 | tmp = sh4r.r[Rn] >> 31;
|
nkeynes@359 | 489 | sh4r.r[Rn] <<= 1;
|
nkeynes@359 | 490 | sh4r.r[Rn] |= sh4r.t;
|
nkeynes@359 | 491 | sh4r.t = tmp;
|
nkeynes@359 | 492 | :}
|
nkeynes@359 | 493 | ROTCR Rn {:
|
nkeynes@359 | 494 | tmp = sh4r.r[Rn] & 0x00000001;
|
nkeynes@359 | 495 | sh4r.r[Rn] >>= 1;
|
nkeynes@359 | 496 | sh4r.r[Rn] |= (sh4r.t << 31 );
|
nkeynes@359 | 497 | sh4r.t = tmp;
|
nkeynes@359 | 498 | :}
|
nkeynes@359 | 499 | SHAD Rm, Rn {:
|
nkeynes@359 | 500 | tmp = sh4r.r[Rm];
|
nkeynes@359 | 501 | if( (tmp & 0x80000000) == 0 ) sh4r.r[Rn] <<= (tmp&0x1f);
|
nkeynes@359 | 502 | else if( (tmp & 0x1F) == 0 )
|
nkeynes@359 | 503 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> 31;
|
nkeynes@359 | 504 | else
|
nkeynes@359 | 505 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> (((~sh4r.r[Rm]) & 0x1F)+1);
|
nkeynes@359 | 506 | :}
|
nkeynes@359 | 507 | SHLD Rm, Rn {:
|
nkeynes@359 | 508 | tmp = sh4r.r[Rm];
|
nkeynes@359 | 509 | if( (tmp & 0x80000000) == 0 ) sh4r.r[Rn] <<= (tmp&0x1f);
|
nkeynes@359 | 510 | else if( (tmp & 0x1F) == 0 ) sh4r.r[Rn] = 0;
|
nkeynes@359 | 511 | else sh4r.r[Rn] >>= (((~tmp) & 0x1F)+1);
|
nkeynes@359 | 512 | :}
|
nkeynes@359 | 513 | SHAL Rn {:
|
nkeynes@359 | 514 | sh4r.t = sh4r.r[Rn] >> 31;
|
nkeynes@359 | 515 | sh4r.r[Rn] <<= 1;
|
nkeynes@359 | 516 | :}
|
nkeynes@359 | 517 | SHAR Rn {:
|
nkeynes@359 | 518 | sh4r.t = sh4r.r[Rn] & 0x00000001;
|
nkeynes@359 | 519 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> 1;
|
nkeynes@359 | 520 | :}
|
nkeynes@359 | 521 | SHLL Rn {: sh4r.t = sh4r.r[Rn] >> 31; sh4r.r[Rn] <<= 1; :}
|
nkeynes@359 | 522 | SHLR Rn {: sh4r.t = sh4r.r[Rn] & 0x00000001; sh4r.r[Rn] >>= 1; :}
|
nkeynes@359 | 523 | SHLL2 Rn {: sh4r.r[Rn] <<= 2; :}
|
nkeynes@359 | 524 | SHLR2 Rn {: sh4r.r[Rn] >>= 2; :}
|
nkeynes@359 | 525 | SHLL8 Rn {: sh4r.r[Rn] <<= 8; :}
|
nkeynes@359 | 526 | SHLR8 Rn {: sh4r.r[Rn] >>= 8; :}
|
nkeynes@359 | 527 | SHLL16 Rn {: sh4r.r[Rn] <<= 16; :}
|
nkeynes@359 | 528 | SHLR16 Rn {: sh4r.r[Rn] >>= 16; :}
|
nkeynes@359 | 529 |
|
nkeynes@359 | 530 | EXTU.B Rm, Rn {: sh4r.r[Rn] = sh4r.r[Rm]&0x000000FF; :}
|
nkeynes@359 | 531 | EXTU.W Rm, Rn {: sh4r.r[Rn] = sh4r.r[Rm]&0x0000FFFF; :}
|
nkeynes@359 | 532 | EXTS.B Rm, Rn {: sh4r.r[Rn] = SIGNEXT8( sh4r.r[Rm]&0x000000FF ); :}
|
nkeynes@359 | 533 | EXTS.W Rm, Rn {: sh4r.r[Rn] = SIGNEXT16( sh4r.r[Rm]&0x0000FFFF ); :}
|
nkeynes@359 | 534 | SWAP.B Rm, Rn {: sh4r.r[Rn] = (sh4r.r[Rm]&0xFFFF0000) | ((sh4r.r[Rm]&0x0000FF00)>>8) | ((sh4r.r[Rm]&0x000000FF)<<8); :}
|
nkeynes@359 | 535 | SWAP.W Rm, Rn {: sh4r.r[Rn] = (sh4r.r[Rm]>>16) | (sh4r.r[Rm]<<16); :}
|
nkeynes@359 | 536 |
|
nkeynes@359 | 537 | CLRT {: sh4r.t = 0; :}
|
nkeynes@359 | 538 | SETT {: sh4r.t = 1; :}
|
nkeynes@359 | 539 | CLRMAC {: sh4r.mac = 0; :}
|
nkeynes@359 | 540 | LDTLB {: /* TODO */ :}
|
nkeynes@359 | 541 | CLRS {: sh4r.s = 0; :}
|
nkeynes@359 | 542 | SETS {: sh4r.s = 1; :}
|
nkeynes@359 | 543 | MOVT Rn {: sh4r.r[Rn] = sh4r.t; :}
|
nkeynes@359 | 544 | NOP {: /* NOP */ :}
|
nkeynes@359 | 545 |
|
nkeynes@359 | 546 | PREF @Rn {:
|
nkeynes@359 | 547 | tmp = sh4r.r[Rn];
|
nkeynes@359 | 548 | if( (tmp & 0xFC000000) == 0xE0000000 ) {
|
nkeynes@369 | 549 | sh4_flush_store_queue(tmp);
|
nkeynes@359 | 550 | }
|
nkeynes@359 | 551 | :}
|
nkeynes@359 | 552 | OCBI @Rn {: :}
|
nkeynes@359 | 553 | OCBP @Rn {: :}
|
nkeynes@359 | 554 | OCBWB @Rn {: :}
|
nkeynes@359 | 555 | MOVCA.L R0, @Rn {:
|
nkeynes@359 | 556 | tmp = sh4r.r[Rn];
|
nkeynes@359 | 557 | CHECKWALIGN32(tmp);
|
nkeynes@359 | 558 | MEM_WRITE_LONG( tmp, R0 );
|
nkeynes@359 | 559 | :}
|
nkeynes@359 | 560 | MOV.B Rm, @(R0, Rn) {: MEM_WRITE_BYTE( R0 + sh4r.r[Rn], sh4r.r[Rm] ); :}
|
nkeynes@359 | 561 | MOV.W Rm, @(R0, Rn) {:
|
nkeynes@359 | 562 | CHECKWALIGN16( R0 + sh4r.r[Rn] );
|
nkeynes@359 | 563 | MEM_WRITE_WORD( R0 + sh4r.r[Rn], sh4r.r[Rm] );
|
nkeynes@359 | 564 | :}
|
nkeynes@359 | 565 | MOV.L Rm, @(R0, Rn) {:
|
nkeynes@359 | 566 | CHECKWALIGN32( R0 + sh4r.r[Rn] );
|
nkeynes@359 | 567 | MEM_WRITE_LONG( R0 + sh4r.r[Rn], sh4r.r[Rm] );
|
nkeynes@359 | 568 | :}
|
nkeynes@359 | 569 | MOV.B @(R0, Rm), Rn {: sh4r.r[Rn] = MEM_READ_BYTE( R0 + sh4r.r[Rm] ); :}
|
nkeynes@359 | 570 | MOV.W @(R0, Rm), Rn {: CHECKRALIGN16( R0 + sh4r.r[Rm] );
|
nkeynes@359 | 571 | sh4r.r[Rn] = MEM_READ_WORD( R0 + sh4r.r[Rm] );
|
nkeynes@359 | 572 | :}
|
nkeynes@359 | 573 | MOV.L @(R0, Rm), Rn {: CHECKRALIGN32( R0 + sh4r.r[Rm] );
|
nkeynes@359 | 574 | sh4r.r[Rn] = MEM_READ_LONG( R0 + sh4r.r[Rm] );
|
nkeynes@359 | 575 | :}
|
nkeynes@359 | 576 | MOV.L Rm, @(disp, Rn) {:
|
nkeynes@359 | 577 | tmp = sh4r.r[Rn] + disp;
|
nkeynes@359 | 578 | CHECKWALIGN32( tmp );
|
nkeynes@359 | 579 | MEM_WRITE_LONG( tmp, sh4r.r[Rm] );
|
nkeynes@359 | 580 | :}
|
nkeynes@359 | 581 | MOV.B Rm, @Rn {: MEM_WRITE_BYTE( sh4r.r[Rn], sh4r.r[Rm] ); :}
|
nkeynes@359 | 582 | MOV.W Rm, @Rn {: CHECKWALIGN16( sh4r.r[Rn] ); MEM_WRITE_WORD( sh4r.r[Rn], sh4r.r[Rm] ); :}
|
nkeynes@359 | 583 | MOV.L Rm, @Rn {: CHECKWALIGN32( sh4r.r[Rn] ); MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r[Rm] ); :}
|
nkeynes@359 | 584 | MOV.B Rm, @-Rn {: sh4r.r[Rn] --; MEM_WRITE_BYTE( sh4r.r[Rn], sh4r.r[Rm] ); :}
|
nkeynes@359 | 585 | MOV.W Rm, @-Rn {: sh4r.r[Rn] -= 2; CHECKWALIGN16( sh4r.r[Rn] ); MEM_WRITE_WORD( sh4r.r[Rn], sh4r.r[Rm] ); :}
|
nkeynes@359 | 586 | MOV.L Rm, @-Rn {: sh4r.r[Rn] -= 4; CHECKWALIGN32( sh4r.r[Rn] ); MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r[Rm] ); :}
|
nkeynes@359 | 587 | MOV.L @(disp, Rm), Rn {:
|
nkeynes@359 | 588 | tmp = sh4r.r[Rm] + disp;
|
nkeynes@359 | 589 | CHECKRALIGN32( tmp );
|
nkeynes@359 | 590 | sh4r.r[Rn] = MEM_READ_LONG( tmp );
|
nkeynes@359 | 591 | :}
|
nkeynes@359 | 592 | MOV.B @Rm, Rn {: sh4r.r[Rn] = MEM_READ_BYTE( sh4r.r[Rm] ); :}
|
nkeynes@359 | 593 | MOV.W @Rm, Rn {: CHECKRALIGN16( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_WORD( sh4r.r[Rm] ); :}
|
nkeynes@359 | 594 | MOV.L @Rm, Rn {: CHECKRALIGN32( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_LONG( sh4r.r[Rm] ); :}
|
nkeynes@359 | 595 | MOV Rm, Rn {: sh4r.r[Rn] = sh4r.r[Rm]; :}
|
nkeynes@359 | 596 | MOV.B @Rm+, Rn {: sh4r.r[Rn] = MEM_READ_BYTE( sh4r.r[Rm] ); sh4r.r[Rm] ++; :}
|
nkeynes@359 | 597 | MOV.W @Rm+, Rn {: CHECKRALIGN16( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_WORD( sh4r.r[Rm] ); sh4r.r[Rm] += 2; :}
|
nkeynes@359 | 598 | MOV.L @Rm+, Rn {: CHECKRALIGN32( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_LONG( sh4r.r[Rm] ); sh4r.r[Rm] += 4; :}
|
nkeynes@359 | 599 | MOV.L @(disp, PC), Rn {:
|
nkeynes@359 | 600 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 601 | tmp = (pc&0xFFFFFFFC) + disp + 4;
|
nkeynes@359 | 602 | sh4r.r[Rn] = MEM_READ_LONG( tmp );
|
nkeynes@359 | 603 | :}
|
nkeynes@359 | 604 | MOV.B R0, @(disp, GBR) {: MEM_WRITE_BYTE( sh4r.gbr + disp, R0 ); :}
|
nkeynes@359 | 605 | MOV.W R0, @(disp, GBR) {:
|
nkeynes@359 | 606 | tmp = sh4r.gbr + disp;
|
nkeynes@359 | 607 | CHECKWALIGN16( tmp );
|
nkeynes@359 | 608 | MEM_WRITE_WORD( tmp, R0 );
|
nkeynes@359 | 609 | :}
|
nkeynes@359 | 610 | MOV.L R0, @(disp, GBR) {:
|
nkeynes@359 | 611 | tmp = sh4r.gbr + disp;
|
nkeynes@359 | 612 | CHECKWALIGN32( tmp );
|
nkeynes@359 | 613 | MEM_WRITE_LONG( tmp, R0 );
|
nkeynes@359 | 614 | :}
|
nkeynes@359 | 615 | MOV.B @(disp, GBR), R0 {: R0 = MEM_READ_BYTE( sh4r.gbr + disp ); :}
|
nkeynes@359 | 616 | MOV.W @(disp, GBR), R0 {:
|
nkeynes@359 | 617 | tmp = sh4r.gbr + disp;
|
nkeynes@359 | 618 | CHECKRALIGN16( tmp );
|
nkeynes@359 | 619 | R0 = MEM_READ_WORD( tmp );
|
nkeynes@359 | 620 | :}
|
nkeynes@359 | 621 | MOV.L @(disp, GBR), R0 {:
|
nkeynes@359 | 622 | tmp = sh4r.gbr + disp;
|
nkeynes@359 | 623 | CHECKRALIGN32( tmp );
|
nkeynes@359 | 624 | R0 = MEM_READ_LONG( tmp );
|
nkeynes@359 | 625 | :}
|
nkeynes@359 | 626 | MOV.B R0, @(disp, Rn) {: MEM_WRITE_BYTE( sh4r.r[Rn] + disp, R0 ); :}
|
nkeynes@359 | 627 | MOV.W R0, @(disp, Rn) {:
|
nkeynes@359 | 628 | tmp = sh4r.r[Rn] + disp;
|
nkeynes@359 | 629 | CHECKWALIGN16( tmp );
|
nkeynes@359 | 630 | MEM_WRITE_WORD( tmp, R0 );
|
nkeynes@359 | 631 | :}
|
nkeynes@359 | 632 | MOV.B @(disp, Rm), R0 {: R0 = MEM_READ_BYTE( sh4r.r[Rm] + disp ); :}
|
nkeynes@359 | 633 | MOV.W @(disp, Rm), R0 {:
|
nkeynes@359 | 634 | tmp = sh4r.r[Rm] + disp;
|
nkeynes@359 | 635 | CHECKRALIGN16( tmp );
|
nkeynes@359 | 636 | R0 = MEM_READ_WORD( tmp );
|
nkeynes@359 | 637 | :}
|
nkeynes@359 | 638 | MOV.W @(disp, PC), Rn {:
|
nkeynes@359 | 639 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 640 | tmp = pc + 4 + disp;
|
nkeynes@359 | 641 | sh4r.r[Rn] = MEM_READ_WORD( tmp );
|
nkeynes@359 | 642 | :}
|
nkeynes@359 | 643 | MOVA @(disp, PC), R0 {:
|
nkeynes@359 | 644 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 645 | R0 = (pc&0xFFFFFFFC) + disp + 4;
|
nkeynes@359 | 646 | :}
|
nkeynes@359 | 647 | MOV #imm, Rn {: sh4r.r[Rn] = imm; :}
|
nkeynes@359 | 648 |
|
nkeynes@359 | 649 | CMP/EQ #imm, R0 {: sh4r.t = ( R0 == imm ? 1 : 0 ); :}
|
nkeynes@359 | 650 | CMP/EQ Rm, Rn {: sh4r.t = ( sh4r.r[Rm] == sh4r.r[Rn] ? 1 : 0 ); :}
|
nkeynes@359 | 651 | CMP/GE Rm, Rn {: sh4r.t = ( ((int32_t)sh4r.r[Rn]) >= ((int32_t)sh4r.r[Rm]) ? 1 : 0 ); :}
|
nkeynes@359 | 652 | CMP/GT Rm, Rn {: sh4r.t = ( ((int32_t)sh4r.r[Rn]) > ((int32_t)sh4r.r[Rm]) ? 1 : 0 ); :}
|
nkeynes@359 | 653 | CMP/HI Rm, Rn {: sh4r.t = ( sh4r.r[Rn] > sh4r.r[Rm] ? 1 : 0 ); :}
|
nkeynes@359 | 654 | CMP/HS Rm, Rn {: sh4r.t = ( sh4r.r[Rn] >= sh4r.r[Rm] ? 1 : 0 ); :}
|
nkeynes@359 | 655 | CMP/PL Rn {: sh4r.t = ( ((int32_t)sh4r.r[Rn]) > 0 ? 1 : 0 ); :}
|
nkeynes@359 | 656 | CMP/PZ Rn {: sh4r.t = ( ((int32_t)sh4r.r[Rn]) >= 0 ? 1 : 0 ); :}
|
nkeynes@359 | 657 | CMP/STR Rm, Rn {:
|
nkeynes@359 | 658 | /* set T = 1 if any byte in RM & RN is the same */
|
nkeynes@359 | 659 | tmp = sh4r.r[Rm] ^ sh4r.r[Rn];
|
nkeynes@359 | 660 | sh4r.t = ((tmp&0x000000FF)==0 || (tmp&0x0000FF00)==0 ||
|
nkeynes@359 | 661 | (tmp&0x00FF0000)==0 || (tmp&0xFF000000)==0)?1:0;
|
nkeynes@359 | 662 | :}
|
nkeynes@359 | 663 |
|
nkeynes@359 | 664 | ADD Rm, Rn {: sh4r.r[Rn] += sh4r.r[Rm]; :}
|
nkeynes@359 | 665 | ADD #imm, Rn {: sh4r.r[Rn] += imm; :}
|
nkeynes@359 | 666 | ADDC Rm, Rn {:
|
nkeynes@359 | 667 | tmp = sh4r.r[Rn];
|
nkeynes@359 | 668 | sh4r.r[Rn] += sh4r.r[Rm] + sh4r.t;
|
nkeynes@359 | 669 | sh4r.t = ( sh4r.r[Rn] < tmp || (sh4r.r[Rn] == tmp && sh4r.t != 0) ? 1 : 0 );
|
nkeynes@359 | 670 | :}
|
nkeynes@359 | 671 | ADDV Rm, Rn {:
|
nkeynes@359 | 672 | tmp = sh4r.r[Rn] + sh4r.r[Rm];
|
nkeynes@359 | 673 | sh4r.t = ( (sh4r.r[Rn]>>31) == (sh4r.r[Rm]>>31) && ((sh4r.r[Rn]>>31) != (tmp>>31)) );
|
nkeynes@359 | 674 | sh4r.r[Rn] = tmp;
|
nkeynes@359 | 675 | :}
|
nkeynes@359 | 676 | DIV0U {: sh4r.m = sh4r.q = sh4r.t = 0; :}
|
nkeynes@359 | 677 | DIV0S Rm, Rn {:
|
nkeynes@359 | 678 | sh4r.q = sh4r.r[Rn]>>31;
|
nkeynes@359 | 679 | sh4r.m = sh4r.r[Rm]>>31;
|
nkeynes@359 | 680 | sh4r.t = sh4r.q ^ sh4r.m;
|
nkeynes@359 | 681 | :}
|
nkeynes@359 | 682 | DIV1 Rm, Rn {:
|
nkeynes@359 | 683 | /* This is just from the sh4p manual with some
|
nkeynes@359 | 684 | * simplifications (someone want to check it's correct? :)
|
nkeynes@359 | 685 | * Why they couldn't just provide a real DIV instruction...
|
nkeynes@359 | 686 | */
|
nkeynes@359 | 687 | uint32_t tmp0, tmp1, tmp2, dir;
|
nkeynes@359 | 688 |
|
nkeynes@359 | 689 | dir = sh4r.q ^ sh4r.m;
|
nkeynes@359 | 690 | sh4r.q = (sh4r.r[Rn] >> 31);
|
nkeynes@359 | 691 | tmp2 = sh4r.r[Rm];
|
nkeynes@359 | 692 | sh4r.r[Rn] = (sh4r.r[Rn] << 1) | sh4r.t;
|
nkeynes@359 | 693 | tmp0 = sh4r.r[Rn];
|
nkeynes@359 | 694 | if( dir ) {
|
nkeynes@359 | 695 | sh4r.r[Rn] += tmp2;
|
nkeynes@359 | 696 | tmp1 = (sh4r.r[Rn]<tmp0 ? 1 : 0 );
|
nkeynes@359 | 697 | } else {
|
nkeynes@359 | 698 | sh4r.r[Rn] -= tmp2;
|
nkeynes@359 | 699 | tmp1 = (sh4r.r[Rn]>tmp0 ? 1 : 0 );
|
nkeynes@359 | 700 | }
|
nkeynes@359 | 701 | sh4r.q ^= sh4r.m ^ tmp1;
|
nkeynes@359 | 702 | sh4r.t = ( sh4r.q == sh4r.m ? 1 : 0 );
|
nkeynes@359 | 703 | :}
|
nkeynes@359 | 704 | DMULS.L Rm, Rn {: sh4r.mac = SIGNEXT32(sh4r.r[Rm]) * SIGNEXT32(sh4r.r[Rn]); :}
|
nkeynes@359 | 705 | DMULU.L Rm, Rn {: sh4r.mac = ((uint64_t)sh4r.r[Rm]) * ((uint64_t)sh4r.r[Rn]); :}
|
nkeynes@359 | 706 | DT Rn {:
|
nkeynes@359 | 707 | sh4r.r[Rn] --;
|
nkeynes@359 | 708 | sh4r.t = ( sh4r.r[Rn] == 0 ? 1 : 0 );
|
nkeynes@359 | 709 | :}
|
nkeynes@359 | 710 | MAC.W @Rm+, @Rn+ {:
|
nkeynes@359 | 711 | CHECKRALIGN16( sh4r.r[Rn] );
|
nkeynes@359 | 712 | CHECKRALIGN16( sh4r.r[Rm] );
|
nkeynes@359 | 713 | int32_t stmp = SIGNEXT16(MEM_READ_WORD(sh4r.r[Rn]));
|
nkeynes@359 | 714 | sh4r.r[Rn] += 2;
|
nkeynes@359 | 715 | stmp = stmp * SIGNEXT16(MEM_READ_WORD(sh4r.r[Rm]));
|
nkeynes@359 | 716 | sh4r.r[Rm] += 2;
|
nkeynes@359 | 717 | if( sh4r.s ) {
|
nkeynes@359 | 718 | int64_t tmpl = (int64_t)((int32_t)sh4r.mac) + (int64_t)stmp;
|
nkeynes@359 | 719 | if( tmpl > (int64_t)0x000000007FFFFFFFLL ) {
|
nkeynes@359 | 720 | sh4r.mac = 0x000000017FFFFFFFLL;
|
nkeynes@359 | 721 | } else if( tmpl < (int64_t)0xFFFFFFFF80000000LL ) {
|
nkeynes@359 | 722 | sh4r.mac = 0x0000000180000000LL;
|
nkeynes@359 | 723 | } else {
|
nkeynes@359 | 724 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) |
|
nkeynes@359 | 725 | ((uint32_t)(sh4r.mac + stmp));
|
nkeynes@359 | 726 | }
|
nkeynes@359 | 727 | } else {
|
nkeynes@359 | 728 | sh4r.mac += SIGNEXT32(stmp);
|
nkeynes@359 | 729 | }
|
nkeynes@359 | 730 | :}
|
nkeynes@359 | 731 | MAC.L @Rm+, @Rn+ {:
|
nkeynes@359 | 732 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 733 | CHECKRALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 734 | int64_t tmpl = SIGNEXT32(MEM_READ_LONG(sh4r.r[Rn]));
|
nkeynes@359 | 735 | sh4r.r[Rn] += 4;
|
nkeynes@359 | 736 | tmpl = tmpl * SIGNEXT32(MEM_READ_LONG(sh4r.r[Rm])) + sh4r.mac;
|
nkeynes@359 | 737 | sh4r.r[Rm] += 4;
|
nkeynes@359 | 738 | if( sh4r.s ) {
|
nkeynes@359 | 739 | /* 48-bit Saturation. Yuch */
|
nkeynes@359 | 740 | if( tmpl < (int64_t)0xFFFF800000000000LL )
|
nkeynes@359 | 741 | tmpl = 0xFFFF800000000000LL;
|
nkeynes@359 | 742 | else if( tmpl > (int64_t)0x00007FFFFFFFFFFFLL )
|
nkeynes@359 | 743 | tmpl = 0x00007FFFFFFFFFFFLL;
|
nkeynes@359 | 744 | }
|
nkeynes@359 | 745 | sh4r.mac = tmpl;
|
nkeynes@359 | 746 | :}
|
nkeynes@359 | 747 | MUL.L Rm, Rn {: sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) |
|
nkeynes@359 | 748 | (sh4r.r[Rm] * sh4r.r[Rn]); :}
|
nkeynes@359 | 749 | MULU.W Rm, Rn {:
|
nkeynes@359 | 750 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) |
|
nkeynes@359 | 751 | (uint32_t)((sh4r.r[Rm]&0xFFFF) * (sh4r.r[Rn]&0xFFFF));
|
nkeynes@359 | 752 | :}
|
nkeynes@359 | 753 | MULS.W Rm, Rn {:
|
nkeynes@359 | 754 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) |
|
nkeynes@359 | 755 | (uint32_t)(SIGNEXT32(sh4r.r[Rm]&0xFFFF) * SIGNEXT32(sh4r.r[Rn]&0xFFFF));
|
nkeynes@359 | 756 | :}
|
nkeynes@359 | 757 | NEGC Rm, Rn {:
|
nkeynes@359 | 758 | tmp = 0 - sh4r.r[Rm];
|
nkeynes@359 | 759 | sh4r.r[Rn] = tmp - sh4r.t;
|
nkeynes@359 | 760 | sh4r.t = ( 0<tmp || tmp<sh4r.r[Rn] ? 1 : 0 );
|
nkeynes@359 | 761 | :}
|
nkeynes@359 | 762 | NEG Rm, Rn {: sh4r.r[Rn] = 0 - sh4r.r[Rm]; :}
|
nkeynes@359 | 763 | SUB Rm, Rn {: sh4r.r[Rn] -= sh4r.r[Rm]; :}
|
nkeynes@359 | 764 | SUBC Rm, Rn {:
|
nkeynes@359 | 765 | tmp = sh4r.r[Rn];
|
nkeynes@359 | 766 | sh4r.r[Rn] = sh4r.r[Rn] - sh4r.r[Rm] - sh4r.t;
|
nkeynes@359 | 767 | sh4r.t = (sh4r.r[Rn] > tmp || (sh4r.r[Rn] == tmp && sh4r.t == 1));
|
nkeynes@359 | 768 | :}
|
nkeynes@359 | 769 |
|
nkeynes@359 | 770 | BRAF Rn {:
|
nkeynes@359 | 771 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 772 | CHECKDEST( pc + 4 + sh4r.r[Rn] );
|
nkeynes@359 | 773 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 774 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 775 | sh4r.new_pc = pc + 4 + sh4r.r[Rn];
|
nkeynes@359 | 776 | return TRUE;
|
nkeynes@359 | 777 | :}
|
nkeynes@359 | 778 | BSRF Rn {:
|
nkeynes@359 | 779 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 780 | CHECKDEST( pc + 4 + sh4r.r[Rn] );
|
nkeynes@359 | 781 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 782 | sh4r.pr = sh4r.pc + 4;
|
nkeynes@359 | 783 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 784 | sh4r.new_pc = pc + 4 + sh4r.r[Rn];
|
nkeynes@359 | 785 | TRACE_CALL( pc, sh4r.new_pc );
|
nkeynes@359 | 786 | return TRUE;
|
nkeynes@359 | 787 | :}
|
nkeynes@359 | 788 | BT disp {:
|
nkeynes@359 | 789 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 790 | if( sh4r.t ) {
|
nkeynes@359 | 791 | CHECKDEST( sh4r.pc + disp + 4 )
|
nkeynes@359 | 792 | sh4r.pc += disp + 4;
|
nkeynes@359 | 793 | sh4r.new_pc = sh4r.pc + 2;
|
nkeynes@359 | 794 | return TRUE;
|
nkeynes@359 | 795 | }
|
nkeynes@359 | 796 | :}
|
nkeynes@359 | 797 | BF disp {:
|
nkeynes@359 | 798 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 799 | if( !sh4r.t ) {
|
nkeynes@359 | 800 | CHECKDEST( sh4r.pc + disp + 4 )
|
nkeynes@359 | 801 | sh4r.pc += disp + 4;
|
nkeynes@359 | 802 | sh4r.new_pc = sh4r.pc + 2;
|
nkeynes@359 | 803 | return TRUE;
|
nkeynes@359 | 804 | }
|
nkeynes@359 | 805 | :}
|
nkeynes@359 | 806 | BT/S disp {:
|
nkeynes@359 | 807 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 808 | if( sh4r.t ) {
|
nkeynes@359 | 809 | CHECKDEST( sh4r.pc + disp + 4 )
|
nkeynes@359 | 810 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 811 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 812 | sh4r.new_pc = pc + disp + 4;
|
nkeynes@359 | 813 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 814 | return TRUE;
|
nkeynes@359 | 815 | }
|
nkeynes@359 | 816 | :}
|
nkeynes@359 | 817 | BF/S disp {:
|
nkeynes@359 | 818 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 819 | if( !sh4r.t ) {
|
nkeynes@359 | 820 | CHECKDEST( sh4r.pc + disp + 4 )
|
nkeynes@359 | 821 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 822 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 823 | sh4r.new_pc = pc + disp + 4;
|
nkeynes@359 | 824 | return TRUE;
|
nkeynes@359 | 825 | }
|
nkeynes@359 | 826 | :}
|
nkeynes@359 | 827 | BRA disp {:
|
nkeynes@359 | 828 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 829 | CHECKDEST( sh4r.pc + disp + 4 );
|
nkeynes@359 | 830 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 831 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 832 | sh4r.new_pc = pc + 4 + disp;
|
nkeynes@359 | 833 | return TRUE;
|
nkeynes@359 | 834 | :}
|
nkeynes@359 | 835 | BSR disp {:
|
nkeynes@359 | 836 | CHECKDEST( sh4r.pc + disp + 4 );
|
nkeynes@359 | 837 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 838 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 839 | sh4r.pr = pc + 4;
|
nkeynes@359 | 840 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 841 | sh4r.new_pc = pc + 4 + disp;
|
nkeynes@359 | 842 | TRACE_CALL( pc, sh4r.new_pc );
|
nkeynes@359 | 843 | return TRUE;
|
nkeynes@359 | 844 | :}
|
nkeynes@359 | 845 | TRAPA #imm {:
|
nkeynes@359 | 846 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 847 | MMIO_WRITE( MMU, TRA, imm<<2 );
|
nkeynes@359 | 848 | sh4r.pc += 2;
|
nkeynes@359 | 849 | sh4_raise_exception( EXC_TRAP );
|
nkeynes@359 | 850 | :}
|
nkeynes@359 | 851 | RTS {:
|
nkeynes@359 | 852 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 853 | CHECKDEST( sh4r.pr );
|
nkeynes@359 | 854 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 855 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 856 | sh4r.new_pc = sh4r.pr;
|
nkeynes@359 | 857 | TRACE_RETURN( pc, sh4r.new_pc );
|
nkeynes@359 | 858 | return TRUE;
|
nkeynes@359 | 859 | :}
|
nkeynes@359 | 860 | SLEEP {:
|
nkeynes@359 | 861 | if( MMIO_READ( CPG, STBCR ) & 0x80 ) {
|
nkeynes@359 | 862 | sh4r.sh4_state = SH4_STATE_STANDBY;
|
nkeynes@359 | 863 | } else {
|
nkeynes@359 | 864 | sh4r.sh4_state = SH4_STATE_SLEEP;
|
nkeynes@359 | 865 | }
|
nkeynes@359 | 866 | return FALSE; /* Halt CPU */
|
nkeynes@359 | 867 | :}
|
nkeynes@359 | 868 | RTE {:
|
nkeynes@359 | 869 | CHECKPRIV();
|
nkeynes@359 | 870 | CHECKDEST( sh4r.spc );
|
nkeynes@359 | 871 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 872 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 873 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 874 | sh4r.new_pc = sh4r.spc;
|
nkeynes@359 | 875 | sh4_load_sr( sh4r.ssr );
|
nkeynes@359 | 876 | return TRUE;
|
nkeynes@359 | 877 | :}
|
nkeynes@359 | 878 | JMP @Rn {:
|
nkeynes@359 | 879 | CHECKDEST( sh4r.r[Rn] );
|
nkeynes@359 | 880 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 881 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 882 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 883 | sh4r.new_pc = sh4r.r[Rn];
|
nkeynes@359 | 884 | return TRUE;
|
nkeynes@359 | 885 | :}
|
nkeynes@359 | 886 | JSR @Rn {:
|
nkeynes@359 | 887 | CHECKDEST( sh4r.r[Rn] );
|
nkeynes@359 | 888 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 889 | sh4r.in_delay_slot = 1;
|
nkeynes@359 | 890 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 891 | sh4r.new_pc = sh4r.r[Rn];
|
nkeynes@359 | 892 | sh4r.pr = pc + 4;
|
nkeynes@359 | 893 | TRACE_CALL( pc, sh4r.new_pc );
|
nkeynes@359 | 894 | return TRUE;
|
nkeynes@359 | 895 | :}
|
nkeynes@359 | 896 | STS MACH, Rn {: sh4r.r[Rn] = (sh4r.mac>>32); :}
|
nkeynes@359 | 897 | STS.L MACH, @-Rn {:
|
nkeynes@359 | 898 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 899 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 900 | MEM_WRITE_LONG( sh4r.r[Rn], (sh4r.mac>>32) );
|
nkeynes@359 | 901 | :}
|
nkeynes@359 | 902 | STC.L SR, @-Rn {:
|
nkeynes@359 | 903 | CHECKPRIV();
|
nkeynes@359 | 904 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 905 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 906 | MEM_WRITE_LONG( sh4r.r[Rn], sh4_read_sr() );
|
nkeynes@359 | 907 | :}
|
nkeynes@359 | 908 | LDS.L @Rm+, MACH {:
|
nkeynes@359 | 909 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 910 | sh4r.mac = (sh4r.mac & 0x00000000FFFFFFFF) |
|
nkeynes@359 | 911 | (((uint64_t)MEM_READ_LONG(sh4r.r[Rm]))<<32);
|
nkeynes@359 | 912 | sh4r.r[Rm] += 4;
|
nkeynes@359 | 913 | :}
|
nkeynes@359 | 914 | LDC.L @Rm+, SR {:
|
nkeynes@359 | 915 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 916 | CHECKPRIV();
|
nkeynes@359 | 917 | CHECKWALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 918 | sh4_load_sr( MEM_READ_LONG(sh4r.r[Rm]) );
|
nkeynes@359 | 919 | sh4r.r[Rm] +=4;
|
nkeynes@359 | 920 | :}
|
nkeynes@359 | 921 | LDS Rm, MACH {:
|
nkeynes@359 | 922 | sh4r.mac = (sh4r.mac & 0x00000000FFFFFFFF) |
|
nkeynes@359 | 923 | (((uint64_t)sh4r.r[Rm])<<32);
|
nkeynes@359 | 924 | :}
|
nkeynes@359 | 925 | LDC Rm, SR {:
|
nkeynes@359 | 926 | CHECKSLOTILLEGAL();
|
nkeynes@359 | 927 | CHECKPRIV();
|
nkeynes@359 | 928 | sh4_load_sr( sh4r.r[Rm] );
|
nkeynes@359 | 929 | :}
|
nkeynes@359 | 930 | LDC Rm, SGR {:
|
nkeynes@359 | 931 | CHECKPRIV();
|
nkeynes@359 | 932 | sh4r.sgr = sh4r.r[Rm];
|
nkeynes@359 | 933 | :}
|
nkeynes@359 | 934 | LDC.L @Rm+, SGR {:
|
nkeynes@359 | 935 | CHECKPRIV();
|
nkeynes@359 | 936 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 937 | sh4r.sgr = MEM_READ_LONG(sh4r.r[Rm]);
|
nkeynes@359 | 938 | sh4r.r[Rm] +=4;
|
nkeynes@359 | 939 | :}
|
nkeynes@359 | 940 | STS MACL, Rn {: sh4r.r[Rn] = (uint32_t)sh4r.mac; :}
|
nkeynes@359 | 941 | STS.L MACL, @-Rn {:
|
nkeynes@359 | 942 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 943 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 944 | MEM_WRITE_LONG( sh4r.r[Rn], (uint32_t)sh4r.mac );
|
nkeynes@359 | 945 | :}
|
nkeynes@359 | 946 | STC.L GBR, @-Rn {:
|
nkeynes@359 | 947 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 948 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 949 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.gbr );
|
nkeynes@359 | 950 | :}
|
nkeynes@359 | 951 | LDS.L @Rm+, MACL {:
|
nkeynes@359 | 952 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 953 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) |
|
nkeynes@359 | 954 | (uint64_t)((uint32_t)MEM_READ_LONG(sh4r.r[Rm]));
|
nkeynes@359 | 955 | sh4r.r[Rm] += 4;
|
nkeynes@359 | 956 | :}
|
nkeynes@359 | 957 | LDC.L @Rm+, GBR {:
|
nkeynes@359 | 958 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 959 | sh4r.gbr = MEM_READ_LONG(sh4r.r[Rm]);
|
nkeynes@359 | 960 | sh4r.r[Rm] +=4;
|
nkeynes@359 | 961 | :}
|
nkeynes@359 | 962 | LDS Rm, MACL {:
|
nkeynes@359 | 963 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) |
|
nkeynes@359 | 964 | (uint64_t)((uint32_t)(sh4r.r[Rm]));
|
nkeynes@359 | 965 | :}
|
nkeynes@359 | 966 | LDC Rm, GBR {: sh4r.gbr = sh4r.r[Rm]; :}
|
nkeynes@359 | 967 | STS PR, Rn {: sh4r.r[Rn] = sh4r.pr; :}
|
nkeynes@359 | 968 | STS.L PR, @-Rn {:
|
nkeynes@359 | 969 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 970 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 971 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.pr );
|
nkeynes@359 | 972 | :}
|
nkeynes@359 | 973 | STC.L VBR, @-Rn {:
|
nkeynes@359 | 974 | CHECKPRIV();
|
nkeynes@359 | 975 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 976 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 977 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.vbr );
|
nkeynes@359 | 978 | :}
|
nkeynes@359 | 979 | LDS.L @Rm+, PR {:
|
nkeynes@359 | 980 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 981 | sh4r.pr = MEM_READ_LONG( sh4r.r[Rm] );
|
nkeynes@359 | 982 | sh4r.r[Rm] += 4;
|
nkeynes@359 | 983 | :}
|
nkeynes@359 | 984 | LDC.L @Rm+, VBR {:
|
nkeynes@359 | 985 | CHECKPRIV();
|
nkeynes@359 | 986 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 987 | sh4r.vbr = MEM_READ_LONG(sh4r.r[Rm]);
|
nkeynes@359 | 988 | sh4r.r[Rm] +=4;
|
nkeynes@359 | 989 | :}
|
nkeynes@359 | 990 | LDS Rm, PR {: sh4r.pr = sh4r.r[Rm]; :}
|
nkeynes@359 | 991 | LDC Rm, VBR {:
|
nkeynes@359 | 992 | CHECKPRIV();
|
nkeynes@359 | 993 | sh4r.vbr = sh4r.r[Rm];
|
nkeynes@359 | 994 | :}
|
nkeynes@359 | 995 | STC SGR, Rn {:
|
nkeynes@359 | 996 | CHECKPRIV();
|
nkeynes@359 | 997 | sh4r.r[Rn] = sh4r.sgr;
|
nkeynes@359 | 998 | :}
|
nkeynes@359 | 999 | STC.L SGR, @-Rn {:
|
nkeynes@359 | 1000 | CHECKPRIV();
|
nkeynes@359 | 1001 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 1002 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 1003 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.sgr );
|
nkeynes@359 | 1004 | :}
|
nkeynes@359 | 1005 | STC.L SSR, @-Rn {:
|
nkeynes@359 | 1006 | CHECKPRIV();
|
nkeynes@359 | 1007 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 1008 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 1009 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.ssr );
|
nkeynes@359 | 1010 | :}
|
nkeynes@359 | 1011 | LDC.L @Rm+, SSR {:
|
nkeynes@359 | 1012 | CHECKPRIV();
|
nkeynes@359 | 1013 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 1014 | sh4r.ssr = MEM_READ_LONG(sh4r.r[Rm]);
|
nkeynes@359 | 1015 | sh4r.r[Rm] +=4;
|
nkeynes@359 | 1016 | :}
|
nkeynes@359 | 1017 | LDC Rm, SSR {:
|
nkeynes@359 | 1018 | CHECKPRIV();
|
nkeynes@359 | 1019 | sh4r.ssr = sh4r.r[Rm];
|
nkeynes@359 | 1020 | :}
|
nkeynes@359 | 1021 | STC.L SPC, @-Rn {:
|
nkeynes@359 | 1022 | CHECKPRIV();
|
nkeynes@359 | 1023 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 1024 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 1025 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.spc );
|
nkeynes@359 | 1026 | :}
|
nkeynes@359 | 1027 | LDC.L @Rm+, SPC {:
|
nkeynes@359 | 1028 | CHECKPRIV();
|
nkeynes@359 | 1029 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 1030 | sh4r.spc = MEM_READ_LONG(sh4r.r[Rm]);
|
nkeynes@359 | 1031 | sh4r.r[Rm] +=4;
|
nkeynes@359 | 1032 | :}
|
nkeynes@359 | 1033 | LDC Rm, SPC {:
|
nkeynes@359 | 1034 | CHECKPRIV();
|
nkeynes@359 | 1035 | sh4r.spc = sh4r.r[Rm];
|
nkeynes@359 | 1036 | :}
|
nkeynes@359 | 1037 | STS FPUL, Rn {: sh4r.r[Rn] = sh4r.fpul; :}
|
nkeynes@359 | 1038 | STS.L FPUL, @-Rn {:
|
nkeynes@359 | 1039 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 1040 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 1041 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.fpul );
|
nkeynes@359 | 1042 | :}
|
nkeynes@359 | 1043 | LDS.L @Rm+, FPUL {:
|
nkeynes@359 | 1044 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 1045 | sh4r.fpul = MEM_READ_LONG(sh4r.r[Rm]);
|
nkeynes@359 | 1046 | sh4r.r[Rm] +=4;
|
nkeynes@359 | 1047 | :}
|
nkeynes@359 | 1048 | LDS Rm, FPUL {: sh4r.fpul = sh4r.r[Rm]; :}
|
nkeynes@359 | 1049 | STS FPSCR, Rn {: sh4r.r[Rn] = sh4r.fpscr; :}
|
nkeynes@359 | 1050 | STS.L FPSCR, @-Rn {:
|
nkeynes@359 | 1051 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 1052 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 1053 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.fpscr );
|
nkeynes@359 | 1054 | :}
|
nkeynes@359 | 1055 | LDS.L @Rm+, FPSCR {:
|
nkeynes@359 | 1056 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 1057 | sh4r.fpscr = MEM_READ_LONG(sh4r.r[Rm]);
|
nkeynes@359 | 1058 | sh4r.r[Rm] +=4;
|
nkeynes@359 | 1059 | :}
|
nkeynes@359 | 1060 | LDS Rm, FPSCR {: sh4r.fpscr = sh4r.r[Rm]; :}
|
nkeynes@359 | 1061 | STC DBR, Rn {: CHECKPRIV(); sh4r.r[Rn] = sh4r.dbr; :}
|
nkeynes@359 | 1062 | STC.L DBR, @-Rn {:
|
nkeynes@359 | 1063 | CHECKPRIV();
|
nkeynes@359 | 1064 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 1065 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 1066 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.dbr );
|
nkeynes@359 | 1067 | :}
|
nkeynes@359 | 1068 | LDC.L @Rm+, DBR {:
|
nkeynes@359 | 1069 | CHECKPRIV();
|
nkeynes@359 | 1070 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 1071 | sh4r.dbr = MEM_READ_LONG(sh4r.r[Rm]);
|
nkeynes@359 | 1072 | sh4r.r[Rm] +=4;
|
nkeynes@359 | 1073 | :}
|
nkeynes@359 | 1074 | LDC Rm, DBR {:
|
nkeynes@359 | 1075 | CHECKPRIV();
|
nkeynes@359 | 1076 | sh4r.dbr = sh4r.r[Rm];
|
nkeynes@359 | 1077 | :}
|
nkeynes@359 | 1078 | STC.L Rm_BANK, @-Rn {:
|
nkeynes@359 | 1079 | CHECKPRIV();
|
nkeynes@359 | 1080 | sh4r.r[Rn] -= 4;
|
nkeynes@359 | 1081 | CHECKWALIGN32( sh4r.r[Rn] );
|
nkeynes@359 | 1082 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r_bank[Rm_BANK] );
|
nkeynes@359 | 1083 | :}
|
nkeynes@359 | 1084 | LDC.L @Rm+, Rn_BANK {:
|
nkeynes@359 | 1085 | CHECKPRIV();
|
nkeynes@359 | 1086 | CHECKRALIGN32( sh4r.r[Rm] );
|
nkeynes@359 | 1087 | sh4r.r_bank[Rn_BANK] = MEM_READ_LONG( sh4r.r[Rm] );
|
nkeynes@359 | 1088 | sh4r.r[Rm] += 4;
|
nkeynes@359 | 1089 | :}
|
nkeynes@359 | 1090 | LDC Rm, Rn_BANK {:
|
nkeynes@359 | 1091 | CHECKPRIV();
|
nkeynes@359 | 1092 | sh4r.r_bank[Rn_BANK] = sh4r.r[Rm];
|
nkeynes@359 | 1093 | :}
|
nkeynes@359 | 1094 | STC SR, Rn {:
|
nkeynes@359 | 1095 | CHECKPRIV();
|
nkeynes@359 | 1096 | sh4r.r[Rn] = sh4_read_sr();
|
nkeynes@359 | 1097 | :}
|
nkeynes@359 | 1098 | STC GBR, Rn {:
|
nkeynes@359 | 1099 | CHECKPRIV();
|
nkeynes@359 | 1100 | sh4r.r[Rn] = sh4r.gbr;
|
nkeynes@359 | 1101 | :}
|
nkeynes@359 | 1102 | STC VBR, Rn {:
|
nkeynes@359 | 1103 | CHECKPRIV();
|
nkeynes@359 | 1104 | sh4r.r[Rn] = sh4r.vbr;
|
nkeynes@359 | 1105 | :}
|
nkeynes@359 | 1106 | STC SSR, Rn {:
|
nkeynes@359 | 1107 | CHECKPRIV();
|
nkeynes@359 | 1108 | sh4r.r[Rn] = sh4r.ssr;
|
nkeynes@359 | 1109 | :}
|
nkeynes@359 | 1110 | STC SPC, Rn {:
|
nkeynes@359 | 1111 | CHECKPRIV();
|
nkeynes@359 | 1112 | sh4r.r[Rn] = sh4r.spc;
|
nkeynes@359 | 1113 | :}
|
nkeynes@359 | 1114 | STC Rm_BANK, Rn {:
|
nkeynes@359 | 1115 | CHECKPRIV();
|
nkeynes@359 | 1116 | sh4r.r[Rn] = sh4r.r_bank[Rm_BANK];
|
nkeynes@359 | 1117 | :}
|
nkeynes@359 | 1118 |
|
nkeynes@359 | 1119 | FADD FRm, FRn {:
|
nkeynes@359 | 1120 | CHECKFPUEN();
|
nkeynes@359 | 1121 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1122 | DR(FRn) += DR(FRm);
|
nkeynes@359 | 1123 | } else {
|
nkeynes@359 | 1124 | FR(FRn) += FR(FRm);
|
nkeynes@359 | 1125 | }
|
nkeynes@359 | 1126 | :}
|
nkeynes@359 | 1127 | FSUB FRm, FRn {:
|
nkeynes@359 | 1128 | CHECKFPUEN();
|
nkeynes@359 | 1129 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1130 | DR(FRn) -= DR(FRm);
|
nkeynes@359 | 1131 | } else {
|
nkeynes@359 | 1132 | FR(FRn) -= FR(FRm);
|
nkeynes@359 | 1133 | }
|
nkeynes@359 | 1134 | :}
|
nkeynes@359 | 1135 |
|
nkeynes@359 | 1136 | FMUL FRm, FRn {:
|
nkeynes@359 | 1137 | CHECKFPUEN();
|
nkeynes@359 | 1138 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1139 | DR(FRn) *= DR(FRm);
|
nkeynes@359 | 1140 | } else {
|
nkeynes@359 | 1141 | FR(FRn) *= FR(FRm);
|
nkeynes@359 | 1142 | }
|
nkeynes@359 | 1143 | :}
|
nkeynes@359 | 1144 |
|
nkeynes@359 | 1145 | FDIV FRm, FRn {:
|
nkeynes@359 | 1146 | CHECKFPUEN();
|
nkeynes@359 | 1147 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1148 | DR(FRn) /= DR(FRm);
|
nkeynes@359 | 1149 | } else {
|
nkeynes@359 | 1150 | FR(FRn) /= FR(FRm);
|
nkeynes@359 | 1151 | }
|
nkeynes@359 | 1152 | :}
|
nkeynes@359 | 1153 |
|
nkeynes@359 | 1154 | FCMP/EQ FRm, FRn {:
|
nkeynes@359 | 1155 | CHECKFPUEN();
|
nkeynes@359 | 1156 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1157 | sh4r.t = ( DR(FRn) == DR(FRm) ? 1 : 0 );
|
nkeynes@359 | 1158 | } else {
|
nkeynes@359 | 1159 | sh4r.t = ( FR(FRn) == FR(FRm) ? 1 : 0 );
|
nkeynes@359 | 1160 | }
|
nkeynes@359 | 1161 | :}
|
nkeynes@359 | 1162 |
|
nkeynes@359 | 1163 | FCMP/GT FRm, FRn {:
|
nkeynes@359 | 1164 | CHECKFPUEN();
|
nkeynes@359 | 1165 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1166 | sh4r.t = ( DR(FRn) > DR(FRm) ? 1 : 0 );
|
nkeynes@359 | 1167 | } else {
|
nkeynes@359 | 1168 | sh4r.t = ( FR(FRn) > FR(FRm) ? 1 : 0 );
|
nkeynes@359 | 1169 | }
|
nkeynes@359 | 1170 | :}
|
nkeynes@359 | 1171 |
|
nkeynes@359 | 1172 | FMOV @(R0, Rm), FRn {: MEM_FP_READ( sh4r.r[Rm] + R0, FRn ); :}
|
nkeynes@359 | 1173 | FMOV FRm, @(R0, Rn) {: MEM_FP_WRITE( sh4r.r[Rn] + R0, FRm ); :}
|
nkeynes@359 | 1174 | FMOV @Rm, FRn {: MEM_FP_READ( sh4r.r[Rm], FRn ); :}
|
nkeynes@359 | 1175 | FMOV @Rm+, FRn {: MEM_FP_READ( sh4r.r[Rm], FRn ); sh4r.r[Rm] += FP_WIDTH; :}
|
nkeynes@359 | 1176 | FMOV FRm, @Rn {: MEM_FP_WRITE( sh4r.r[Rn], FRm ); :}
|
nkeynes@359 | 1177 | FMOV FRm, @-Rn {: sh4r.r[Rn] -= FP_WIDTH; MEM_FP_WRITE( sh4r.r[Rn], FRm ); :}
|
nkeynes@359 | 1178 | FMOV FRm, FRn {:
|
nkeynes@359 | 1179 | if( IS_FPU_DOUBLESIZE() )
|
nkeynes@359 | 1180 | DR(FRn) = DR(FRm);
|
nkeynes@359 | 1181 | else
|
nkeynes@359 | 1182 | FR(FRn) = FR(FRm);
|
nkeynes@359 | 1183 | :}
|
nkeynes@359 | 1184 | FSTS FPUL, FRn {: CHECKFPUEN(); FR(FRn) = FPULf; :}
|
nkeynes@359 | 1185 | FLDS FRm, FPUL {: CHECKFPUEN(); FPULf = FR(FRm); :}
|
nkeynes@359 | 1186 | FLOAT FPUL, FRn {:
|
nkeynes@359 | 1187 | CHECKFPUEN();
|
nkeynes@359 | 1188 | if( IS_FPU_DOUBLEPREC() )
|
nkeynes@359 | 1189 | DR(FRn) = (float)FPULi;
|
nkeynes@359 | 1190 | else
|
nkeynes@359 | 1191 | FR(FRn) = (float)FPULi;
|
nkeynes@359 | 1192 | :}
|
nkeynes@359 | 1193 | FTRC FRm, FPUL {:
|
nkeynes@359 | 1194 | CHECKFPUEN();
|
nkeynes@359 | 1195 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1196 | dtmp = DR(FRm);
|
nkeynes@359 | 1197 | if( dtmp >= MAX_INTF )
|
nkeynes@359 | 1198 | FPULi = MAX_INT;
|
nkeynes@359 | 1199 | else if( dtmp <= MIN_INTF )
|
nkeynes@359 | 1200 | FPULi = MIN_INT;
|
nkeynes@359 | 1201 | else
|
nkeynes@359 | 1202 | FPULi = (int32_t)dtmp;
|
nkeynes@359 | 1203 | } else {
|
nkeynes@359 | 1204 | ftmp = FR(FRm);
|
nkeynes@359 | 1205 | if( ftmp >= MAX_INTF )
|
nkeynes@359 | 1206 | FPULi = MAX_INT;
|
nkeynes@359 | 1207 | else if( ftmp <= MIN_INTF )
|
nkeynes@359 | 1208 | FPULi = MIN_INT;
|
nkeynes@359 | 1209 | else
|
nkeynes@359 | 1210 | FPULi = (int32_t)ftmp;
|
nkeynes@359 | 1211 | }
|
nkeynes@359 | 1212 | :}
|
nkeynes@359 | 1213 | FNEG FRn {:
|
nkeynes@359 | 1214 | CHECKFPUEN();
|
nkeynes@359 | 1215 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1216 | DR(FRn) = -DR(FRn);
|
nkeynes@359 | 1217 | } else {
|
nkeynes@359 | 1218 | FR(FRn) = -FR(FRn);
|
nkeynes@359 | 1219 | }
|
nkeynes@359 | 1220 | :}
|
nkeynes@359 | 1221 | FABS FRn {:
|
nkeynes@359 | 1222 | CHECKFPUEN();
|
nkeynes@359 | 1223 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1224 | DR(FRn) = fabs(DR(FRn));
|
nkeynes@359 | 1225 | } else {
|
nkeynes@359 | 1226 | FR(FRn) = fabsf(FR(FRn));
|
nkeynes@359 | 1227 | }
|
nkeynes@359 | 1228 | :}
|
nkeynes@359 | 1229 | FSQRT FRn {:
|
nkeynes@359 | 1230 | CHECKFPUEN();
|
nkeynes@359 | 1231 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1232 | DR(FRn) = sqrt(DR(FRn));
|
nkeynes@359 | 1233 | } else {
|
nkeynes@359 | 1234 | FR(FRn) = sqrtf(FR(FRn));
|
nkeynes@359 | 1235 | }
|
nkeynes@359 | 1236 | :}
|
nkeynes@359 | 1237 | FLDI0 FRn {:
|
nkeynes@359 | 1238 | CHECKFPUEN();
|
nkeynes@359 | 1239 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1240 | DR(FRn) = 0.0;
|
nkeynes@359 | 1241 | } else {
|
nkeynes@359 | 1242 | FR(FRn) = 0.0;
|
nkeynes@359 | 1243 | }
|
nkeynes@359 | 1244 | :}
|
nkeynes@359 | 1245 | FLDI1 FRn {:
|
nkeynes@359 | 1246 | CHECKFPUEN();
|
nkeynes@359 | 1247 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1248 | DR(FRn) = 1.0;
|
nkeynes@359 | 1249 | } else {
|
nkeynes@359 | 1250 | FR(FRn) = 1.0;
|
nkeynes@359 | 1251 | }
|
nkeynes@359 | 1252 | :}
|
nkeynes@359 | 1253 | FMAC FR0, FRm, FRn {:
|
nkeynes@359 | 1254 | CHECKFPUEN();
|
nkeynes@359 | 1255 | if( IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1256 | DR(FRn) += DR(FRm)*DR(0);
|
nkeynes@359 | 1257 | } else {
|
nkeynes@359 | 1258 | FR(FRn) += FR(FRm)*FR(0);
|
nkeynes@359 | 1259 | }
|
nkeynes@359 | 1260 | :}
|
nkeynes@359 | 1261 | FRCHG {: CHECKFPUEN(); sh4r.fpscr ^= FPSCR_FR; :}
|
nkeynes@359 | 1262 | FSCHG {: CHECKFPUEN(); sh4r.fpscr ^= FPSCR_SZ; :}
|
nkeynes@359 | 1263 | FCNVSD FPUL, FRn {:
|
nkeynes@359 | 1264 | CHECKFPUEN();
|
nkeynes@359 | 1265 | if( IS_FPU_DOUBLEPREC() && !IS_FPU_DOUBLESIZE() ) {
|
nkeynes@359 | 1266 | DR(FRn) = (double)FPULf;
|
nkeynes@359 | 1267 | }
|
nkeynes@359 | 1268 | :}
|
nkeynes@359 | 1269 | FCNVDS FRm, FPUL {:
|
nkeynes@359 | 1270 | CHECKFPUEN();
|
nkeynes@359 | 1271 | if( IS_FPU_DOUBLEPREC() && !IS_FPU_DOUBLESIZE() ) {
|
nkeynes@359 | 1272 | FPULf = (float)DR(FRm);
|
nkeynes@359 | 1273 | }
|
nkeynes@359 | 1274 | :}
|
nkeynes@359 | 1275 |
|
nkeynes@359 | 1276 | FSRRA FRn {:
|
nkeynes@359 | 1277 | CHECKFPUEN();
|
nkeynes@359 | 1278 | if( !IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1279 | FR(FRn) = 1.0/sqrtf(FR(FRn));
|
nkeynes@359 | 1280 | }
|
nkeynes@359 | 1281 | :}
|
nkeynes@359 | 1282 | FIPR FVm, FVn {:
|
nkeynes@359 | 1283 | CHECKFPUEN();
|
nkeynes@359 | 1284 | if( !IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1285 | int tmp2 = FVn<<2;
|
nkeynes@359 | 1286 | tmp = FVm<<2;
|
nkeynes@359 | 1287 | FR(tmp2+3) = FR(tmp)*FR(tmp2) +
|
nkeynes@359 | 1288 | FR(tmp+1)*FR(tmp2+1) +
|
nkeynes@359 | 1289 | FR(tmp+2)*FR(tmp2+2) +
|
nkeynes@359 | 1290 | FR(tmp+3)*FR(tmp2+3);
|
nkeynes@359 | 1291 | }
|
nkeynes@359 | 1292 | :}
|
nkeynes@359 | 1293 | FSCA FPUL, FRn {:
|
nkeynes@359 | 1294 | CHECKFPUEN();
|
nkeynes@359 | 1295 | if( !IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1296 | float angle = (((float)(FPULi&0xFFFF))/65536.0) * 2 * M_PI;
|
nkeynes@359 | 1297 | FR(FRn) = sinf(angle);
|
nkeynes@359 | 1298 | FR((FRn)+1) = cosf(angle);
|
nkeynes@359 | 1299 | }
|
nkeynes@359 | 1300 | :}
|
nkeynes@359 | 1301 | FTRV XMTRX, FVn {:
|
nkeynes@359 | 1302 | CHECKFPUEN();
|
nkeynes@359 | 1303 | if( !IS_FPU_DOUBLEPREC() ) {
|
nkeynes@359 | 1304 | tmp = FVn<<2;
|
nkeynes@359 | 1305 | float fv[4] = { FR(tmp), FR(tmp+1), FR(tmp+2), FR(tmp+3) };
|
nkeynes@359 | 1306 | FR(tmp) = XF(0) * fv[0] + XF(4)*fv[1] +
|
nkeynes@359 | 1307 | XF(8)*fv[2] + XF(12)*fv[3];
|
nkeynes@359 | 1308 | FR(tmp+1) = XF(1) * fv[0] + XF(5)*fv[1] +
|
nkeynes@359 | 1309 | XF(9)*fv[2] + XF(13)*fv[3];
|
nkeynes@359 | 1310 | FR(tmp+2) = XF(2) * fv[0] + XF(6)*fv[1] +
|
nkeynes@359 | 1311 | XF(10)*fv[2] + XF(14)*fv[3];
|
nkeynes@359 | 1312 | FR(tmp+3) = XF(3) * fv[0] + XF(7)*fv[1] +
|
nkeynes@359 | 1313 | XF(11)*fv[2] + XF(15)*fv[3];
|
nkeynes@359 | 1314 | }
|
nkeynes@359 | 1315 | :}
|
nkeynes@359 | 1316 | UNDEF {:
|
nkeynes@359 | 1317 | UNDEF(ir);
|
nkeynes@359 | 1318 | :}
|
nkeynes@359 | 1319 | %%
|
nkeynes@359 | 1320 | sh4r.pc = sh4r.new_pc;
|
nkeynes@359 | 1321 | sh4r.new_pc += 2;
|
nkeynes@359 | 1322 | sh4r.in_delay_slot = 0;
|
nkeynes@359 | 1323 | return TRUE;
|
nkeynes@359 | 1324 | }
|