filename | src/sh4/sh4core.in |
changeset | 374:8f80a795513e |
prev | 369:4b4223e7d720 |
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author | nkeynes |
date | Tue Sep 11 02:14:46 2007 +0000 (16 years ago) |
permissions | -rw-r--r-- |
last change | Cache the pointer to the last FR bank (speeds fp ops up by about 10%) Implement experimental fix for FLOAT/FTRC Make read/write sr functions non-static (share with translator) Much more translator WIP |
file | annotate | diff | log | raw |
nkeynes@359 | 1 | /** |
nkeynes@374 | 2 | * $Id: sh4core.in,v 1.4 2007-09-11 02:14:46 nkeynes Exp $ |
nkeynes@359 | 3 | * |
nkeynes@359 | 4 | * SH4 emulation core, and parent module for all the SH4 peripheral |
nkeynes@359 | 5 | * modules. |
nkeynes@359 | 6 | * |
nkeynes@359 | 7 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@359 | 8 | * |
nkeynes@359 | 9 | * This program is free software; you can redistribute it and/or modify |
nkeynes@359 | 10 | * it under the terms of the GNU General Public License as published by |
nkeynes@359 | 11 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@359 | 12 | * (at your option) any later version. |
nkeynes@359 | 13 | * |
nkeynes@359 | 14 | * This program is distributed in the hope that it will be useful, |
nkeynes@359 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@359 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@359 | 17 | * GNU General Public License for more details. |
nkeynes@359 | 18 | */ |
nkeynes@359 | 19 | |
nkeynes@359 | 20 | #define MODULE sh4_module |
nkeynes@359 | 21 | #include <math.h> |
nkeynes@359 | 22 | #include "dream.h" |
nkeynes@359 | 23 | #include "sh4/sh4core.h" |
nkeynes@359 | 24 | #include "sh4/sh4mmio.h" |
nkeynes@359 | 25 | #include "sh4/intc.h" |
nkeynes@359 | 26 | #include "mem.h" |
nkeynes@359 | 27 | #include "clock.h" |
nkeynes@359 | 28 | #include "syscall.h" |
nkeynes@359 | 29 | |
nkeynes@359 | 30 | #define SH4_CALLTRACE 1 |
nkeynes@359 | 31 | |
nkeynes@359 | 32 | #define MAX_INT 0x7FFFFFFF |
nkeynes@359 | 33 | #define MIN_INT 0x80000000 |
nkeynes@359 | 34 | #define MAX_INTF 2147483647.0 |
nkeynes@359 | 35 | #define MIN_INTF -2147483648.0 |
nkeynes@359 | 36 | |
nkeynes@359 | 37 | #define EXV_EXCEPTION 0x100 /* General exception vector */ |
nkeynes@359 | 38 | #define EXV_TLBMISS 0x400 /* TLB-miss exception vector */ |
nkeynes@359 | 39 | #define EXV_INTERRUPT 0x600 /* External interrupt vector */ |
nkeynes@359 | 40 | |
nkeynes@359 | 41 | /********************** SH4 Module Definition ****************************/ |
nkeynes@359 | 42 | |
nkeynes@359 | 43 | void sh4_init( void ); |
nkeynes@359 | 44 | void sh4_reset( void ); |
nkeynes@359 | 45 | uint32_t sh4_run_slice( uint32_t ); |
nkeynes@359 | 46 | void sh4_start( void ); |
nkeynes@359 | 47 | void sh4_stop( void ); |
nkeynes@359 | 48 | void sh4_save_state( FILE *f ); |
nkeynes@359 | 49 | int sh4_load_state( FILE *f ); |
nkeynes@359 | 50 | void sh4_accept_interrupt( void ); |
nkeynes@359 | 51 | |
nkeynes@359 | 52 | struct dreamcast_module sh4_module = { "SH4", sh4_init, sh4_reset, |
nkeynes@359 | 53 | NULL, sh4_run_slice, sh4_stop, |
nkeynes@359 | 54 | sh4_save_state, sh4_load_state }; |
nkeynes@359 | 55 | |
nkeynes@359 | 56 | struct sh4_registers sh4r; |
nkeynes@359 | 57 | |
nkeynes@359 | 58 | void sh4_init(void) |
nkeynes@359 | 59 | { |
nkeynes@359 | 60 | register_io_regions( mmio_list_sh4mmio ); |
nkeynes@359 | 61 | MMU_init(); |
nkeynes@359 | 62 | sh4_reset(); |
nkeynes@359 | 63 | } |
nkeynes@359 | 64 | |
nkeynes@359 | 65 | void sh4_reset(void) |
nkeynes@359 | 66 | { |
nkeynes@359 | 67 | /* zero everything out, for the sake of having a consistent state. */ |
nkeynes@359 | 68 | memset( &sh4r, 0, sizeof(sh4r) ); |
nkeynes@359 | 69 | |
nkeynes@359 | 70 | /* Resume running if we were halted */ |
nkeynes@359 | 71 | sh4r.sh4_state = SH4_STATE_RUNNING; |
nkeynes@359 | 72 | |
nkeynes@359 | 73 | sh4r.pc = 0xA0000000; |
nkeynes@359 | 74 | sh4r.new_pc= 0xA0000002; |
nkeynes@359 | 75 | sh4r.vbr = 0x00000000; |
nkeynes@359 | 76 | sh4r.fpscr = 0x00040001; |
nkeynes@359 | 77 | sh4r.sr = 0x700000F0; |
nkeynes@374 | 78 | sh4r.fr_bank = &sh4r.fr[0][0]; |
nkeynes@359 | 79 | |
nkeynes@359 | 80 | /* Mem reset will do this, but if we want to reset _just_ the SH4... */ |
nkeynes@359 | 81 | MMIO_WRITE( MMU, EXPEVT, EXC_POWER_RESET ); |
nkeynes@359 | 82 | |
nkeynes@359 | 83 | /* Peripheral modules */ |
nkeynes@359 | 84 | CPG_reset(); |
nkeynes@359 | 85 | INTC_reset(); |
nkeynes@359 | 86 | MMU_reset(); |
nkeynes@359 | 87 | TMU_reset(); |
nkeynes@359 | 88 | SCIF_reset(); |
nkeynes@359 | 89 | } |
nkeynes@359 | 90 | |
nkeynes@359 | 91 | static struct breakpoint_struct sh4_breakpoints[MAX_BREAKPOINTS]; |
nkeynes@359 | 92 | static int sh4_breakpoint_count = 0; |
nkeynes@359 | 93 | static uint16_t *sh4_icache = NULL; |
nkeynes@359 | 94 | static uint32_t sh4_icache_addr = 0; |
nkeynes@359 | 95 | |
nkeynes@359 | 96 | void sh4_set_breakpoint( uint32_t pc, int type ) |
nkeynes@359 | 97 | { |
nkeynes@359 | 98 | sh4_breakpoints[sh4_breakpoint_count].address = pc; |
nkeynes@359 | 99 | sh4_breakpoints[sh4_breakpoint_count].type = type; |
nkeynes@359 | 100 | sh4_breakpoint_count++; |
nkeynes@359 | 101 | } |
nkeynes@359 | 102 | |
nkeynes@359 | 103 | gboolean sh4_clear_breakpoint( uint32_t pc, int type ) |
nkeynes@359 | 104 | { |
nkeynes@359 | 105 | int i; |
nkeynes@359 | 106 | |
nkeynes@359 | 107 | for( i=0; i<sh4_breakpoint_count; i++ ) { |
nkeynes@359 | 108 | if( sh4_breakpoints[i].address == pc && |
nkeynes@359 | 109 | sh4_breakpoints[i].type == type ) { |
nkeynes@359 | 110 | while( ++i < sh4_breakpoint_count ) { |
nkeynes@359 | 111 | sh4_breakpoints[i-1].address = sh4_breakpoints[i].address; |
nkeynes@359 | 112 | sh4_breakpoints[i-1].type = sh4_breakpoints[i].type; |
nkeynes@359 | 113 | } |
nkeynes@359 | 114 | sh4_breakpoint_count--; |
nkeynes@359 | 115 | return TRUE; |
nkeynes@359 | 116 | } |
nkeynes@359 | 117 | } |
nkeynes@359 | 118 | return FALSE; |
nkeynes@359 | 119 | } |
nkeynes@359 | 120 | |
nkeynes@359 | 121 | int sh4_get_breakpoint( uint32_t pc ) |
nkeynes@359 | 122 | { |
nkeynes@359 | 123 | int i; |
nkeynes@359 | 124 | for( i=0; i<sh4_breakpoint_count; i++ ) { |
nkeynes@359 | 125 | if( sh4_breakpoints[i].address == pc ) |
nkeynes@359 | 126 | return sh4_breakpoints[i].type; |
nkeynes@359 | 127 | } |
nkeynes@359 | 128 | return 0; |
nkeynes@359 | 129 | } |
nkeynes@359 | 130 | |
nkeynes@359 | 131 | uint32_t sh4_run_slice( uint32_t nanosecs ) |
nkeynes@359 | 132 | { |
nkeynes@359 | 133 | int i; |
nkeynes@359 | 134 | sh4r.slice_cycle = 0; |
nkeynes@359 | 135 | |
nkeynes@359 | 136 | if( sh4r.sh4_state != SH4_STATE_RUNNING ) { |
nkeynes@359 | 137 | if( sh4r.event_pending < nanosecs ) { |
nkeynes@359 | 138 | sh4r.sh4_state = SH4_STATE_RUNNING; |
nkeynes@359 | 139 | sh4r.slice_cycle = sh4r.event_pending; |
nkeynes@359 | 140 | } |
nkeynes@359 | 141 | } |
nkeynes@359 | 142 | |
nkeynes@359 | 143 | if( sh4_breakpoint_count == 0 ) { |
nkeynes@359 | 144 | for( ; sh4r.slice_cycle < nanosecs; sh4r.slice_cycle += sh4_cpu_period ) { |
nkeynes@359 | 145 | if( SH4_EVENT_PENDING() ) { |
nkeynes@359 | 146 | if( sh4r.event_types & PENDING_EVENT ) { |
nkeynes@359 | 147 | event_execute(); |
nkeynes@359 | 148 | } |
nkeynes@359 | 149 | /* Eventq execute may (quite likely) deliver an immediate IRQ */ |
nkeynes@359 | 150 | if( sh4r.event_types & PENDING_IRQ ) { |
nkeynes@359 | 151 | sh4_accept_interrupt(); |
nkeynes@359 | 152 | } |
nkeynes@359 | 153 | } |
nkeynes@359 | 154 | if( !sh4_execute_instruction() ) { |
nkeynes@359 | 155 | break; |
nkeynes@359 | 156 | } |
nkeynes@359 | 157 | } |
nkeynes@359 | 158 | } else { |
nkeynes@359 | 159 | for( ;sh4r.slice_cycle < nanosecs; sh4r.slice_cycle += sh4_cpu_period ) { |
nkeynes@359 | 160 | if( SH4_EVENT_PENDING() ) { |
nkeynes@359 | 161 | if( sh4r.event_types & PENDING_EVENT ) { |
nkeynes@359 | 162 | event_execute(); |
nkeynes@359 | 163 | } |
nkeynes@359 | 164 | /* Eventq execute may (quite likely) deliver an immediate IRQ */ |
nkeynes@359 | 165 | if( sh4r.event_types & PENDING_IRQ ) { |
nkeynes@359 | 166 | sh4_accept_interrupt(); |
nkeynes@359 | 167 | } |
nkeynes@359 | 168 | } |
nkeynes@359 | 169 | |
nkeynes@359 | 170 | if( !sh4_execute_instruction() ) |
nkeynes@359 | 171 | break; |
nkeynes@359 | 172 | #ifdef ENABLE_DEBUG_MODE |
nkeynes@359 | 173 | for( i=0; i<sh4_breakpoint_count; i++ ) { |
nkeynes@359 | 174 | if( sh4_breakpoints[i].address == sh4r.pc ) { |
nkeynes@359 | 175 | break; |
nkeynes@359 | 176 | } |
nkeynes@359 | 177 | } |
nkeynes@359 | 178 | if( i != sh4_breakpoint_count ) { |
nkeynes@359 | 179 | dreamcast_stop(); |
nkeynes@359 | 180 | if( sh4_breakpoints[i].type == BREAK_ONESHOT ) |
nkeynes@359 | 181 | sh4_clear_breakpoint( sh4r.pc, BREAK_ONESHOT ); |
nkeynes@359 | 182 | break; |
nkeynes@359 | 183 | } |
nkeynes@359 | 184 | #endif |
nkeynes@359 | 185 | } |
nkeynes@359 | 186 | } |
nkeynes@359 | 187 | |
nkeynes@359 | 188 | /* If we aborted early, but the cpu is still technically running, |
nkeynes@359 | 189 | * we're doing a hard abort - cut the timeslice back to what we |
nkeynes@359 | 190 | * actually executed |
nkeynes@359 | 191 | */ |
nkeynes@359 | 192 | if( sh4r.slice_cycle != nanosecs && sh4r.sh4_state == SH4_STATE_RUNNING ) { |
nkeynes@359 | 193 | nanosecs = sh4r.slice_cycle; |
nkeynes@359 | 194 | } |
nkeynes@359 | 195 | if( sh4r.sh4_state != SH4_STATE_STANDBY ) { |
nkeynes@359 | 196 | TMU_run_slice( nanosecs ); |
nkeynes@359 | 197 | SCIF_run_slice( nanosecs ); |
nkeynes@359 | 198 | } |
nkeynes@359 | 199 | return nanosecs; |
nkeynes@359 | 200 | } |
nkeynes@359 | 201 | |
nkeynes@359 | 202 | void sh4_stop(void) |
nkeynes@359 | 203 | { |
nkeynes@359 | 204 | |
nkeynes@359 | 205 | } |
nkeynes@359 | 206 | |
nkeynes@359 | 207 | void sh4_save_state( FILE *f ) |
nkeynes@359 | 208 | { |
nkeynes@359 | 209 | fwrite( &sh4r, sizeof(sh4r), 1, f ); |
nkeynes@359 | 210 | MMU_save_state( f ); |
nkeynes@359 | 211 | INTC_save_state( f ); |
nkeynes@359 | 212 | TMU_save_state( f ); |
nkeynes@359 | 213 | SCIF_save_state( f ); |
nkeynes@359 | 214 | } |
nkeynes@359 | 215 | |
nkeynes@359 | 216 | int sh4_load_state( FILE * f ) |
nkeynes@359 | 217 | { |
nkeynes@359 | 218 | fread( &sh4r, sizeof(sh4r), 1, f ); |
nkeynes@359 | 219 | MMU_load_state( f ); |
nkeynes@359 | 220 | INTC_load_state( f ); |
nkeynes@359 | 221 | TMU_load_state( f ); |
nkeynes@359 | 222 | return SCIF_load_state( f ); |
nkeynes@359 | 223 | } |
nkeynes@359 | 224 | |
nkeynes@359 | 225 | /********************** SH4 emulation core ****************************/ |
nkeynes@359 | 226 | |
nkeynes@359 | 227 | void sh4_set_pc( int pc ) |
nkeynes@359 | 228 | { |
nkeynes@359 | 229 | sh4r.pc = pc; |
nkeynes@359 | 230 | sh4r.new_pc = pc+2; |
nkeynes@359 | 231 | } |
nkeynes@359 | 232 | |
nkeynes@359 | 233 | #define UNDEF(ir) return sh4_raise_slot_exception(EXC_ILLEGAL, EXC_SLOT_ILLEGAL) |
nkeynes@359 | 234 | #define UNIMP(ir) do{ ERROR( "Halted on unimplemented instruction at %08x, opcode = %04x", sh4r.pc, ir ); dreamcast_stop(); return FALSE; }while(0) |
nkeynes@359 | 235 | |
nkeynes@359 | 236 | #if(SH4_CALLTRACE == 1) |
nkeynes@359 | 237 | #define MAX_CALLSTACK 32 |
nkeynes@359 | 238 | static struct call_stack { |
nkeynes@359 | 239 | sh4addr_t call_addr; |
nkeynes@359 | 240 | sh4addr_t target_addr; |
nkeynes@359 | 241 | sh4addr_t stack_pointer; |
nkeynes@359 | 242 | } call_stack[MAX_CALLSTACK]; |
nkeynes@359 | 243 | |
nkeynes@359 | 244 | static int call_stack_depth = 0; |
nkeynes@359 | 245 | int sh4_call_trace_on = 0; |
nkeynes@359 | 246 | |
nkeynes@359 | 247 | static inline trace_call( sh4addr_t source, sh4addr_t dest ) |
nkeynes@359 | 248 | { |
nkeynes@359 | 249 | if( call_stack_depth < MAX_CALLSTACK ) { |
nkeynes@359 | 250 | call_stack[call_stack_depth].call_addr = source; |
nkeynes@359 | 251 | call_stack[call_stack_depth].target_addr = dest; |
nkeynes@359 | 252 | call_stack[call_stack_depth].stack_pointer = sh4r.r[15]; |
nkeynes@359 | 253 | } |
nkeynes@359 | 254 | call_stack_depth++; |
nkeynes@359 | 255 | } |
nkeynes@359 | 256 | |
nkeynes@359 | 257 | static inline trace_return( sh4addr_t source, sh4addr_t dest ) |
nkeynes@359 | 258 | { |
nkeynes@359 | 259 | if( call_stack_depth > 0 ) { |
nkeynes@359 | 260 | call_stack_depth--; |
nkeynes@359 | 261 | } |
nkeynes@359 | 262 | } |
nkeynes@359 | 263 | |
nkeynes@359 | 264 | void fprint_stack_trace( FILE *f ) |
nkeynes@359 | 265 | { |
nkeynes@359 | 266 | int i = call_stack_depth -1; |
nkeynes@359 | 267 | if( i >= MAX_CALLSTACK ) |
nkeynes@359 | 268 | i = MAX_CALLSTACK - 1; |
nkeynes@359 | 269 | for( ; i >= 0; i-- ) { |
nkeynes@359 | 270 | fprintf( f, "%d. Call from %08X => %08X, SP=%08X\n", |
nkeynes@359 | 271 | (call_stack_depth - i), call_stack[i].call_addr, |
nkeynes@359 | 272 | call_stack[i].target_addr, call_stack[i].stack_pointer ); |
nkeynes@359 | 273 | } |
nkeynes@359 | 274 | } |
nkeynes@359 | 275 | |
nkeynes@359 | 276 | #define TRACE_CALL( source, dest ) trace_call(source, dest) |
nkeynes@359 | 277 | #define TRACE_RETURN( source, dest ) trace_return(source, dest) |
nkeynes@359 | 278 | #else |
nkeynes@359 | 279 | #define TRACE_CALL( dest, rts ) |
nkeynes@359 | 280 | #define TRACE_RETURN( source, dest ) |
nkeynes@359 | 281 | #endif |
nkeynes@359 | 282 | |
nkeynes@359 | 283 | #define RAISE( x, v ) do{ \ |
nkeynes@359 | 284 | if( sh4r.vbr == 0 ) { \ |
nkeynes@359 | 285 | ERROR( "%08X: VBR not initialized while raising exception %03X, halting", sh4r.pc, x ); \ |
nkeynes@359 | 286 | dreamcast_stop(); return FALSE; \ |
nkeynes@359 | 287 | } else { \ |
nkeynes@359 | 288 | sh4r.spc = sh4r.pc; \ |
nkeynes@359 | 289 | sh4r.ssr = sh4_read_sr(); \ |
nkeynes@359 | 290 | sh4r.sgr = sh4r.r[15]; \ |
nkeynes@359 | 291 | MMIO_WRITE(MMU,EXPEVT,x); \ |
nkeynes@359 | 292 | sh4r.pc = sh4r.vbr + v; \ |
nkeynes@359 | 293 | sh4r.new_pc = sh4r.pc + 2; \ |
nkeynes@374 | 294 | sh4_write_sr( sh4r.ssr |SR_MD|SR_BL|SR_RB ); \ |
nkeynes@359 | 295 | if( sh4r.in_delay_slot ) { \ |
nkeynes@359 | 296 | sh4r.in_delay_slot = 0; \ |
nkeynes@359 | 297 | sh4r.spc -= 2; \ |
nkeynes@359 | 298 | } \ |
nkeynes@359 | 299 | } \ |
nkeynes@359 | 300 | return TRUE; } while(0) |
nkeynes@359 | 301 | |
nkeynes@359 | 302 | #define MEM_READ_BYTE( addr ) sh4_read_byte(addr) |
nkeynes@359 | 303 | #define MEM_READ_WORD( addr ) sh4_read_word(addr) |
nkeynes@359 | 304 | #define MEM_READ_LONG( addr ) sh4_read_long(addr) |
nkeynes@359 | 305 | #define MEM_WRITE_BYTE( addr, val ) sh4_write_byte(addr, val) |
nkeynes@359 | 306 | #define MEM_WRITE_WORD( addr, val ) sh4_write_word(addr, val) |
nkeynes@359 | 307 | #define MEM_WRITE_LONG( addr, val ) sh4_write_long(addr, val) |
nkeynes@359 | 308 | |
nkeynes@359 | 309 | #define FP_WIDTH (IS_FPU_DOUBLESIZE() ? 8 : 4) |
nkeynes@359 | 310 | |
nkeynes@359 | 311 | #define MEM_FP_READ( addr, reg ) sh4_read_float( addr, reg ); |
nkeynes@359 | 312 | #define MEM_FP_WRITE( addr, reg ) sh4_write_float( addr, reg ); |
nkeynes@359 | 313 | |
nkeynes@359 | 314 | #define CHECKPRIV() if( !IS_SH4_PRIVMODE() ) return sh4_raise_slot_exception( EXC_ILLEGAL, EXC_SLOT_ILLEGAL ) |
nkeynes@367 | 315 | #define CHECKRALIGN16(addr) if( (addr)&0x01 ) return sh4_raise_exception( EXC_DATA_ADDR_READ ) |
nkeynes@367 | 316 | #define CHECKRALIGN32(addr) if( (addr)&0x03 ) return sh4_raise_exception( EXC_DATA_ADDR_READ ) |
nkeynes@367 | 317 | #define CHECKWALIGN16(addr) if( (addr)&0x01 ) return sh4_raise_exception( EXC_DATA_ADDR_WRITE ) |
nkeynes@367 | 318 | #define CHECKWALIGN32(addr) if( (addr)&0x03 ) return sh4_raise_exception( EXC_DATA_ADDR_WRITE ) |
nkeynes@359 | 319 | |
nkeynes@367 | 320 | #define CHECKFPUEN() if( !IS_FPU_ENABLED() ) { if( ir == 0xFFFD ) { UNDEF(ir); } else { return sh4_raise_slot_exception( EXC_FPU_DISABLED, EXC_SLOT_FPU_DISABLED ); } } |
nkeynes@359 | 321 | #define CHECKDEST(p) if( (p) == 0 ) { ERROR( "%08X: Branch/jump to NULL, CPU halted", sh4r.pc ); dreamcast_stop(); return FALSE; } |
nkeynes@359 | 322 | #define CHECKSLOTILLEGAL() if(sh4r.in_delay_slot) return sh4_raise_exception(EXC_SLOT_ILLEGAL) |
nkeynes@359 | 323 | |
nkeynes@359 | 324 | static void sh4_switch_banks( ) |
nkeynes@359 | 325 | { |
nkeynes@359 | 326 | uint32_t tmp[8]; |
nkeynes@359 | 327 | |
nkeynes@359 | 328 | memcpy( tmp, sh4r.r, sizeof(uint32_t)*8 ); |
nkeynes@359 | 329 | memcpy( sh4r.r, sh4r.r_bank, sizeof(uint32_t)*8 ); |
nkeynes@359 | 330 | memcpy( sh4r.r_bank, tmp, sizeof(uint32_t)*8 ); |
nkeynes@359 | 331 | } |
nkeynes@359 | 332 | |
nkeynes@374 | 333 | void sh4_write_sr( uint32_t newval ) |
nkeynes@359 | 334 | { |
nkeynes@359 | 335 | if( (newval ^ sh4r.sr) & SR_RB ) |
nkeynes@359 | 336 | sh4_switch_banks(); |
nkeynes@359 | 337 | sh4r.sr = newval; |
nkeynes@359 | 338 | sh4r.t = (newval&SR_T) ? 1 : 0; |
nkeynes@359 | 339 | sh4r.s = (newval&SR_S) ? 1 : 0; |
nkeynes@359 | 340 | sh4r.m = (newval&SR_M) ? 1 : 0; |
nkeynes@359 | 341 | sh4r.q = (newval&SR_Q) ? 1 : 0; |
nkeynes@359 | 342 | intc_mask_changed(); |
nkeynes@359 | 343 | } |
nkeynes@359 | 344 | |
nkeynes@359 | 345 | static void sh4_write_float( uint32_t addr, int reg ) |
nkeynes@359 | 346 | { |
nkeynes@359 | 347 | if( IS_FPU_DOUBLESIZE() ) { |
nkeynes@359 | 348 | if( reg & 1 ) { |
nkeynes@359 | 349 | sh4_write_long( addr, *((uint32_t *)&XF((reg)&0x0E)) ); |
nkeynes@359 | 350 | sh4_write_long( addr+4, *((uint32_t *)&XF(reg)) ); |
nkeynes@359 | 351 | } else { |
nkeynes@359 | 352 | sh4_write_long( addr, *((uint32_t *)&FR(reg)) ); |
nkeynes@359 | 353 | sh4_write_long( addr+4, *((uint32_t *)&FR((reg)|0x01)) ); |
nkeynes@359 | 354 | } |
nkeynes@359 | 355 | } else { |
nkeynes@359 | 356 | sh4_write_long( addr, *((uint32_t *)&FR((reg))) ); |
nkeynes@359 | 357 | } |
nkeynes@359 | 358 | } |
nkeynes@359 | 359 | |
nkeynes@359 | 360 | static void sh4_read_float( uint32_t addr, int reg ) |
nkeynes@359 | 361 | { |
nkeynes@359 | 362 | if( IS_FPU_DOUBLESIZE() ) { |
nkeynes@359 | 363 | if( reg & 1 ) { |
nkeynes@359 | 364 | *((uint32_t *)&XF((reg) & 0x0E)) = sh4_read_long(addr); |
nkeynes@359 | 365 | *((uint32_t *)&XF(reg)) = sh4_read_long(addr+4); |
nkeynes@359 | 366 | } else { |
nkeynes@359 | 367 | *((uint32_t *)&FR(reg)) = sh4_read_long(addr); |
nkeynes@359 | 368 | *((uint32_t *)&FR((reg) | 0x01)) = sh4_read_long(addr+4); |
nkeynes@359 | 369 | } |
nkeynes@359 | 370 | } else { |
nkeynes@359 | 371 | *((uint32_t *)&FR(reg)) = sh4_read_long(addr); |
nkeynes@359 | 372 | } |
nkeynes@359 | 373 | } |
nkeynes@359 | 374 | |
nkeynes@374 | 375 | uint32_t sh4_read_sr( void ) |
nkeynes@359 | 376 | { |
nkeynes@359 | 377 | /* synchronize sh4r.sr with the various bitflags */ |
nkeynes@359 | 378 | sh4r.sr &= SR_MQSTMASK; |
nkeynes@359 | 379 | if( sh4r.t ) sh4r.sr |= SR_T; |
nkeynes@359 | 380 | if( sh4r.s ) sh4r.sr |= SR_S; |
nkeynes@359 | 381 | if( sh4r.m ) sh4r.sr |= SR_M; |
nkeynes@359 | 382 | if( sh4r.q ) sh4r.sr |= SR_Q; |
nkeynes@359 | 383 | return sh4r.sr; |
nkeynes@359 | 384 | } |
nkeynes@359 | 385 | |
nkeynes@359 | 386 | /** |
nkeynes@359 | 387 | * Raise a general CPU exception for the specified exception code. |
nkeynes@359 | 388 | * (NOT for TRAPA or TLB exceptions) |
nkeynes@359 | 389 | */ |
nkeynes@359 | 390 | gboolean sh4_raise_exception( int code ) |
nkeynes@359 | 391 | { |
nkeynes@359 | 392 | RAISE( code, EXV_EXCEPTION ); |
nkeynes@359 | 393 | } |
nkeynes@359 | 394 | |
nkeynes@359 | 395 | gboolean sh4_raise_slot_exception( int normal_code, int slot_code ) { |
nkeynes@359 | 396 | if( sh4r.in_delay_slot ) { |
nkeynes@359 | 397 | return sh4_raise_exception(slot_code); |
nkeynes@359 | 398 | } else { |
nkeynes@359 | 399 | return sh4_raise_exception(normal_code); |
nkeynes@359 | 400 | } |
nkeynes@359 | 401 | } |
nkeynes@359 | 402 | |
nkeynes@359 | 403 | gboolean sh4_raise_tlb_exception( int code ) |
nkeynes@359 | 404 | { |
nkeynes@359 | 405 | RAISE( code, EXV_TLBMISS ); |
nkeynes@359 | 406 | } |
nkeynes@359 | 407 | |
nkeynes@359 | 408 | void sh4_accept_interrupt( void ) |
nkeynes@359 | 409 | { |
nkeynes@359 | 410 | uint32_t code = intc_accept_interrupt(); |
nkeynes@359 | 411 | sh4r.ssr = sh4_read_sr(); |
nkeynes@359 | 412 | sh4r.spc = sh4r.pc; |
nkeynes@359 | 413 | sh4r.sgr = sh4r.r[15]; |
nkeynes@374 | 414 | sh4_write_sr( sh4r.ssr|SR_BL|SR_MD|SR_RB ); |
nkeynes@359 | 415 | MMIO_WRITE( MMU, INTEVT, code ); |
nkeynes@359 | 416 | sh4r.pc = sh4r.vbr + 0x600; |
nkeynes@359 | 417 | sh4r.new_pc = sh4r.pc + 2; |
nkeynes@359 | 418 | // WARN( "Accepting interrupt %03X, from %08X => %08X", code, sh4r.spc, sh4r.pc ); |
nkeynes@359 | 419 | } |
nkeynes@359 | 420 | |
nkeynes@359 | 421 | gboolean sh4_execute_instruction( void ) |
nkeynes@359 | 422 | { |
nkeynes@359 | 423 | uint32_t pc; |
nkeynes@359 | 424 | unsigned short ir; |
nkeynes@359 | 425 | uint32_t tmp; |
nkeynes@359 | 426 | float ftmp; |
nkeynes@359 | 427 | double dtmp; |
nkeynes@359 | 428 | |
nkeynes@359 | 429 | #define R0 sh4r.r[0] |
nkeynes@359 | 430 | pc = sh4r.pc; |
nkeynes@359 | 431 | if( pc > 0xFFFFFF00 ) { |
nkeynes@359 | 432 | /* SYSCALL Magic */ |
nkeynes@359 | 433 | syscall_invoke( pc ); |
nkeynes@359 | 434 | sh4r.in_delay_slot = 0; |
nkeynes@359 | 435 | pc = sh4r.pc = sh4r.pr; |
nkeynes@359 | 436 | sh4r.new_pc = sh4r.pc + 2; |
nkeynes@359 | 437 | } |
nkeynes@359 | 438 | CHECKRALIGN16(pc); |
nkeynes@359 | 439 | |
nkeynes@359 | 440 | /* Read instruction */ |
nkeynes@359 | 441 | uint32_t pageaddr = pc >> 12; |
nkeynes@359 | 442 | if( sh4_icache != NULL && pageaddr == sh4_icache_addr ) { |
nkeynes@359 | 443 | ir = sh4_icache[(pc&0xFFF)>>1]; |
nkeynes@359 | 444 | } else { |
nkeynes@359 | 445 | sh4_icache = (uint16_t *)mem_get_page(pc); |
nkeynes@359 | 446 | if( ((uint32_t)sh4_icache) < MAX_IO_REGIONS ) { |
nkeynes@359 | 447 | /* If someone's actually been so daft as to try to execute out of an IO |
nkeynes@359 | 448 | * region, fallback on the full-blown memory read |
nkeynes@359 | 449 | */ |
nkeynes@359 | 450 | sh4_icache = NULL; |
nkeynes@359 | 451 | ir = MEM_READ_WORD(pc); |
nkeynes@359 | 452 | } else { |
nkeynes@359 | 453 | sh4_icache_addr = pageaddr; |
nkeynes@359 | 454 | ir = sh4_icache[(pc&0xFFF)>>1]; |
nkeynes@359 | 455 | } |
nkeynes@359 | 456 | } |
nkeynes@359 | 457 | %% |
nkeynes@359 | 458 | AND Rm, Rn {: sh4r.r[Rn] &= sh4r.r[Rm]; :} |
nkeynes@359 | 459 | AND #imm, R0 {: R0 &= imm; :} |
nkeynes@359 | 460 | AND.B #imm, @(R0, GBR) {: MEM_WRITE_BYTE( R0 + sh4r.gbr, imm & MEM_READ_BYTE(R0 + sh4r.gbr) ); :} |
nkeynes@359 | 461 | NOT Rm, Rn {: sh4r.r[Rn] = ~sh4r.r[Rm]; :} |
nkeynes@359 | 462 | OR Rm, Rn {: sh4r.r[Rn] |= sh4r.r[Rm]; :} |
nkeynes@359 | 463 | OR #imm, R0 {: R0 |= imm; :} |
nkeynes@359 | 464 | OR.B #imm, @(R0, GBR) {: MEM_WRITE_BYTE( R0 + sh4r.gbr, imm | MEM_READ_BYTE(R0 + sh4r.gbr) ); :} |
nkeynes@359 | 465 | TAS.B @Rn {: |
nkeynes@359 | 466 | tmp = MEM_READ_BYTE( sh4r.r[Rn] ); |
nkeynes@359 | 467 | sh4r.t = ( tmp == 0 ? 1 : 0 ); |
nkeynes@359 | 468 | MEM_WRITE_BYTE( sh4r.r[Rn], tmp | 0x80 ); |
nkeynes@359 | 469 | :} |
nkeynes@359 | 470 | TST Rm, Rn {: sh4r.t = (sh4r.r[Rn]&sh4r.r[Rm] ? 0 : 1); :} |
nkeynes@359 | 471 | TST #imm, R0 {: sh4r.t = (R0 & imm ? 0 : 1); :} |
nkeynes@359 | 472 | TST.B #imm, @(R0, GBR) {: sh4r.t = ( MEM_READ_BYTE(R0 + sh4r.gbr) & imm ? 0 : 1 ); :} |
nkeynes@359 | 473 | XOR Rm, Rn {: sh4r.r[Rn] ^= sh4r.r[Rm]; :} |
nkeynes@359 | 474 | XOR #imm, R0 {: R0 ^= imm; :} |
nkeynes@359 | 475 | XOR.B #imm, @(R0, GBR) {: MEM_WRITE_BYTE( R0 + sh4r.gbr, imm ^ MEM_READ_BYTE(R0 + sh4r.gbr) ); :} |
nkeynes@359 | 476 | XTRCT Rm, Rn {: sh4r.r[Rn] = (sh4r.r[Rn]>>16) | (sh4r.r[Rm]<<16); :} |
nkeynes@359 | 477 | |
nkeynes@359 | 478 | ROTL Rn {: |
nkeynes@359 | 479 | sh4r.t = sh4r.r[Rn] >> 31; |
nkeynes@359 | 480 | sh4r.r[Rn] <<= 1; |
nkeynes@359 | 481 | sh4r.r[Rn] |= sh4r.t; |
nkeynes@359 | 482 | :} |
nkeynes@359 | 483 | ROTR Rn {: |
nkeynes@359 | 484 | sh4r.t = sh4r.r[Rn] & 0x00000001; |
nkeynes@359 | 485 | sh4r.r[Rn] >>= 1; |
nkeynes@359 | 486 | sh4r.r[Rn] |= (sh4r.t << 31); |
nkeynes@359 | 487 | :} |
nkeynes@359 | 488 | ROTCL Rn {: |
nkeynes@359 | 489 | tmp = sh4r.r[Rn] >> 31; |
nkeynes@359 | 490 | sh4r.r[Rn] <<= 1; |
nkeynes@359 | 491 | sh4r.r[Rn] |= sh4r.t; |
nkeynes@359 | 492 | sh4r.t = tmp; |
nkeynes@359 | 493 | :} |
nkeynes@359 | 494 | ROTCR Rn {: |
nkeynes@359 | 495 | tmp = sh4r.r[Rn] & 0x00000001; |
nkeynes@359 | 496 | sh4r.r[Rn] >>= 1; |
nkeynes@359 | 497 | sh4r.r[Rn] |= (sh4r.t << 31 ); |
nkeynes@359 | 498 | sh4r.t = tmp; |
nkeynes@359 | 499 | :} |
nkeynes@359 | 500 | SHAD Rm, Rn {: |
nkeynes@359 | 501 | tmp = sh4r.r[Rm]; |
nkeynes@359 | 502 | if( (tmp & 0x80000000) == 0 ) sh4r.r[Rn] <<= (tmp&0x1f); |
nkeynes@359 | 503 | else if( (tmp & 0x1F) == 0 ) |
nkeynes@359 | 504 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> 31; |
nkeynes@359 | 505 | else |
nkeynes@359 | 506 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> (((~sh4r.r[Rm]) & 0x1F)+1); |
nkeynes@359 | 507 | :} |
nkeynes@359 | 508 | SHLD Rm, Rn {: |
nkeynes@359 | 509 | tmp = sh4r.r[Rm]; |
nkeynes@359 | 510 | if( (tmp & 0x80000000) == 0 ) sh4r.r[Rn] <<= (tmp&0x1f); |
nkeynes@359 | 511 | else if( (tmp & 0x1F) == 0 ) sh4r.r[Rn] = 0; |
nkeynes@359 | 512 | else sh4r.r[Rn] >>= (((~tmp) & 0x1F)+1); |
nkeynes@359 | 513 | :} |
nkeynes@359 | 514 | SHAL Rn {: |
nkeynes@359 | 515 | sh4r.t = sh4r.r[Rn] >> 31; |
nkeynes@359 | 516 | sh4r.r[Rn] <<= 1; |
nkeynes@359 | 517 | :} |
nkeynes@359 | 518 | SHAR Rn {: |
nkeynes@359 | 519 | sh4r.t = sh4r.r[Rn] & 0x00000001; |
nkeynes@359 | 520 | sh4r.r[Rn] = ((int32_t)sh4r.r[Rn]) >> 1; |
nkeynes@359 | 521 | :} |
nkeynes@359 | 522 | SHLL Rn {: sh4r.t = sh4r.r[Rn] >> 31; sh4r.r[Rn] <<= 1; :} |
nkeynes@359 | 523 | SHLR Rn {: sh4r.t = sh4r.r[Rn] & 0x00000001; sh4r.r[Rn] >>= 1; :} |
nkeynes@359 | 524 | SHLL2 Rn {: sh4r.r[Rn] <<= 2; :} |
nkeynes@359 | 525 | SHLR2 Rn {: sh4r.r[Rn] >>= 2; :} |
nkeynes@359 | 526 | SHLL8 Rn {: sh4r.r[Rn] <<= 8; :} |
nkeynes@359 | 527 | SHLR8 Rn {: sh4r.r[Rn] >>= 8; :} |
nkeynes@359 | 528 | SHLL16 Rn {: sh4r.r[Rn] <<= 16; :} |
nkeynes@359 | 529 | SHLR16 Rn {: sh4r.r[Rn] >>= 16; :} |
nkeynes@359 | 530 | |
nkeynes@359 | 531 | EXTU.B Rm, Rn {: sh4r.r[Rn] = sh4r.r[Rm]&0x000000FF; :} |
nkeynes@359 | 532 | EXTU.W Rm, Rn {: sh4r.r[Rn] = sh4r.r[Rm]&0x0000FFFF; :} |
nkeynes@359 | 533 | EXTS.B Rm, Rn {: sh4r.r[Rn] = SIGNEXT8( sh4r.r[Rm]&0x000000FF ); :} |
nkeynes@359 | 534 | EXTS.W Rm, Rn {: sh4r.r[Rn] = SIGNEXT16( sh4r.r[Rm]&0x0000FFFF ); :} |
nkeynes@359 | 535 | SWAP.B Rm, Rn {: sh4r.r[Rn] = (sh4r.r[Rm]&0xFFFF0000) | ((sh4r.r[Rm]&0x0000FF00)>>8) | ((sh4r.r[Rm]&0x000000FF)<<8); :} |
nkeynes@359 | 536 | SWAP.W Rm, Rn {: sh4r.r[Rn] = (sh4r.r[Rm]>>16) | (sh4r.r[Rm]<<16); :} |
nkeynes@359 | 537 | |
nkeynes@359 | 538 | CLRT {: sh4r.t = 0; :} |
nkeynes@359 | 539 | SETT {: sh4r.t = 1; :} |
nkeynes@359 | 540 | CLRMAC {: sh4r.mac = 0; :} |
nkeynes@359 | 541 | LDTLB {: /* TODO */ :} |
nkeynes@359 | 542 | CLRS {: sh4r.s = 0; :} |
nkeynes@359 | 543 | SETS {: sh4r.s = 1; :} |
nkeynes@359 | 544 | MOVT Rn {: sh4r.r[Rn] = sh4r.t; :} |
nkeynes@359 | 545 | NOP {: /* NOP */ :} |
nkeynes@359 | 546 | |
nkeynes@359 | 547 | PREF @Rn {: |
nkeynes@359 | 548 | tmp = sh4r.r[Rn]; |
nkeynes@359 | 549 | if( (tmp & 0xFC000000) == 0xE0000000 ) { |
nkeynes@369 | 550 | sh4_flush_store_queue(tmp); |
nkeynes@359 | 551 | } |
nkeynes@359 | 552 | :} |
nkeynes@359 | 553 | OCBI @Rn {: :} |
nkeynes@359 | 554 | OCBP @Rn {: :} |
nkeynes@359 | 555 | OCBWB @Rn {: :} |
nkeynes@359 | 556 | MOVCA.L R0, @Rn {: |
nkeynes@359 | 557 | tmp = sh4r.r[Rn]; |
nkeynes@359 | 558 | CHECKWALIGN32(tmp); |
nkeynes@359 | 559 | MEM_WRITE_LONG( tmp, R0 ); |
nkeynes@359 | 560 | :} |
nkeynes@359 | 561 | MOV.B Rm, @(R0, Rn) {: MEM_WRITE_BYTE( R0 + sh4r.r[Rn], sh4r.r[Rm] ); :} |
nkeynes@359 | 562 | MOV.W Rm, @(R0, Rn) {: |
nkeynes@359 | 563 | CHECKWALIGN16( R0 + sh4r.r[Rn] ); |
nkeynes@359 | 564 | MEM_WRITE_WORD( R0 + sh4r.r[Rn], sh4r.r[Rm] ); |
nkeynes@359 | 565 | :} |
nkeynes@359 | 566 | MOV.L Rm, @(R0, Rn) {: |
nkeynes@359 | 567 | CHECKWALIGN32( R0 + sh4r.r[Rn] ); |
nkeynes@359 | 568 | MEM_WRITE_LONG( R0 + sh4r.r[Rn], sh4r.r[Rm] ); |
nkeynes@359 | 569 | :} |
nkeynes@359 | 570 | MOV.B @(R0, Rm), Rn {: sh4r.r[Rn] = MEM_READ_BYTE( R0 + sh4r.r[Rm] ); :} |
nkeynes@359 | 571 | MOV.W @(R0, Rm), Rn {: CHECKRALIGN16( R0 + sh4r.r[Rm] ); |
nkeynes@359 | 572 | sh4r.r[Rn] = MEM_READ_WORD( R0 + sh4r.r[Rm] ); |
nkeynes@359 | 573 | :} |
nkeynes@359 | 574 | MOV.L @(R0, Rm), Rn {: CHECKRALIGN32( R0 + sh4r.r[Rm] ); |
nkeynes@359 | 575 | sh4r.r[Rn] = MEM_READ_LONG( R0 + sh4r.r[Rm] ); |
nkeynes@359 | 576 | :} |
nkeynes@359 | 577 | MOV.L Rm, @(disp, Rn) {: |
nkeynes@359 | 578 | tmp = sh4r.r[Rn] + disp; |
nkeynes@359 | 579 | CHECKWALIGN32( tmp ); |
nkeynes@359 | 580 | MEM_WRITE_LONG( tmp, sh4r.r[Rm] ); |
nkeynes@359 | 581 | :} |
nkeynes@359 | 582 | MOV.B Rm, @Rn {: MEM_WRITE_BYTE( sh4r.r[Rn], sh4r.r[Rm] ); :} |
nkeynes@359 | 583 | MOV.W Rm, @Rn {: CHECKWALIGN16( sh4r.r[Rn] ); MEM_WRITE_WORD( sh4r.r[Rn], sh4r.r[Rm] ); :} |
nkeynes@359 | 584 | MOV.L Rm, @Rn {: CHECKWALIGN32( sh4r.r[Rn] ); MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r[Rm] ); :} |
nkeynes@359 | 585 | MOV.B Rm, @-Rn {: sh4r.r[Rn] --; MEM_WRITE_BYTE( sh4r.r[Rn], sh4r.r[Rm] ); :} |
nkeynes@359 | 586 | MOV.W Rm, @-Rn {: sh4r.r[Rn] -= 2; CHECKWALIGN16( sh4r.r[Rn] ); MEM_WRITE_WORD( sh4r.r[Rn], sh4r.r[Rm] ); :} |
nkeynes@359 | 587 | MOV.L Rm, @-Rn {: sh4r.r[Rn] -= 4; CHECKWALIGN32( sh4r.r[Rn] ); MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r[Rm] ); :} |
nkeynes@359 | 588 | MOV.L @(disp, Rm), Rn {: |
nkeynes@359 | 589 | tmp = sh4r.r[Rm] + disp; |
nkeynes@359 | 590 | CHECKRALIGN32( tmp ); |
nkeynes@359 | 591 | sh4r.r[Rn] = MEM_READ_LONG( tmp ); |
nkeynes@359 | 592 | :} |
nkeynes@359 | 593 | MOV.B @Rm, Rn {: sh4r.r[Rn] = MEM_READ_BYTE( sh4r.r[Rm] ); :} |
nkeynes@359 | 594 | MOV.W @Rm, Rn {: CHECKRALIGN16( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_WORD( sh4r.r[Rm] ); :} |
nkeynes@359 | 595 | MOV.L @Rm, Rn {: CHECKRALIGN32( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_LONG( sh4r.r[Rm] ); :} |
nkeynes@359 | 596 | MOV Rm, Rn {: sh4r.r[Rn] = sh4r.r[Rm]; :} |
nkeynes@359 | 597 | MOV.B @Rm+, Rn {: sh4r.r[Rn] = MEM_READ_BYTE( sh4r.r[Rm] ); sh4r.r[Rm] ++; :} |
nkeynes@359 | 598 | MOV.W @Rm+, Rn {: CHECKRALIGN16( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_WORD( sh4r.r[Rm] ); sh4r.r[Rm] += 2; :} |
nkeynes@359 | 599 | MOV.L @Rm+, Rn {: CHECKRALIGN32( sh4r.r[Rm] ); sh4r.r[Rn] = MEM_READ_LONG( sh4r.r[Rm] ); sh4r.r[Rm] += 4; :} |
nkeynes@359 | 600 | MOV.L @(disp, PC), Rn {: |
nkeynes@359 | 601 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 602 | tmp = (pc&0xFFFFFFFC) + disp + 4; |
nkeynes@359 | 603 | sh4r.r[Rn] = MEM_READ_LONG( tmp ); |
nkeynes@359 | 604 | :} |
nkeynes@359 | 605 | MOV.B R0, @(disp, GBR) {: MEM_WRITE_BYTE( sh4r.gbr + disp, R0 ); :} |
nkeynes@359 | 606 | MOV.W R0, @(disp, GBR) {: |
nkeynes@359 | 607 | tmp = sh4r.gbr + disp; |
nkeynes@359 | 608 | CHECKWALIGN16( tmp ); |
nkeynes@359 | 609 | MEM_WRITE_WORD( tmp, R0 ); |
nkeynes@359 | 610 | :} |
nkeynes@359 | 611 | MOV.L R0, @(disp, GBR) {: |
nkeynes@359 | 612 | tmp = sh4r.gbr + disp; |
nkeynes@359 | 613 | CHECKWALIGN32( tmp ); |
nkeynes@359 | 614 | MEM_WRITE_LONG( tmp, R0 ); |
nkeynes@359 | 615 | :} |
nkeynes@359 | 616 | MOV.B @(disp, GBR), R0 {: R0 = MEM_READ_BYTE( sh4r.gbr + disp ); :} |
nkeynes@359 | 617 | MOV.W @(disp, GBR), R0 {: |
nkeynes@359 | 618 | tmp = sh4r.gbr + disp; |
nkeynes@359 | 619 | CHECKRALIGN16( tmp ); |
nkeynes@359 | 620 | R0 = MEM_READ_WORD( tmp ); |
nkeynes@359 | 621 | :} |
nkeynes@359 | 622 | MOV.L @(disp, GBR), R0 {: |
nkeynes@359 | 623 | tmp = sh4r.gbr + disp; |
nkeynes@359 | 624 | CHECKRALIGN32( tmp ); |
nkeynes@359 | 625 | R0 = MEM_READ_LONG( tmp ); |
nkeynes@359 | 626 | :} |
nkeynes@359 | 627 | MOV.B R0, @(disp, Rn) {: MEM_WRITE_BYTE( sh4r.r[Rn] + disp, R0 ); :} |
nkeynes@359 | 628 | MOV.W R0, @(disp, Rn) {: |
nkeynes@359 | 629 | tmp = sh4r.r[Rn] + disp; |
nkeynes@359 | 630 | CHECKWALIGN16( tmp ); |
nkeynes@359 | 631 | MEM_WRITE_WORD( tmp, R0 ); |
nkeynes@359 | 632 | :} |
nkeynes@359 | 633 | MOV.B @(disp, Rm), R0 {: R0 = MEM_READ_BYTE( sh4r.r[Rm] + disp ); :} |
nkeynes@359 | 634 | MOV.W @(disp, Rm), R0 {: |
nkeynes@359 | 635 | tmp = sh4r.r[Rm] + disp; |
nkeynes@359 | 636 | CHECKRALIGN16( tmp ); |
nkeynes@359 | 637 | R0 = MEM_READ_WORD( tmp ); |
nkeynes@359 | 638 | :} |
nkeynes@359 | 639 | MOV.W @(disp, PC), Rn {: |
nkeynes@359 | 640 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 641 | tmp = pc + 4 + disp; |
nkeynes@359 | 642 | sh4r.r[Rn] = MEM_READ_WORD( tmp ); |
nkeynes@359 | 643 | :} |
nkeynes@359 | 644 | MOVA @(disp, PC), R0 {: |
nkeynes@359 | 645 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 646 | R0 = (pc&0xFFFFFFFC) + disp + 4; |
nkeynes@359 | 647 | :} |
nkeynes@359 | 648 | MOV #imm, Rn {: sh4r.r[Rn] = imm; :} |
nkeynes@359 | 649 | |
nkeynes@359 | 650 | CMP/EQ #imm, R0 {: sh4r.t = ( R0 == imm ? 1 : 0 ); :} |
nkeynes@359 | 651 | CMP/EQ Rm, Rn {: sh4r.t = ( sh4r.r[Rm] == sh4r.r[Rn] ? 1 : 0 ); :} |
nkeynes@359 | 652 | CMP/GE Rm, Rn {: sh4r.t = ( ((int32_t)sh4r.r[Rn]) >= ((int32_t)sh4r.r[Rm]) ? 1 : 0 ); :} |
nkeynes@359 | 653 | CMP/GT Rm, Rn {: sh4r.t = ( ((int32_t)sh4r.r[Rn]) > ((int32_t)sh4r.r[Rm]) ? 1 : 0 ); :} |
nkeynes@359 | 654 | CMP/HI Rm, Rn {: sh4r.t = ( sh4r.r[Rn] > sh4r.r[Rm] ? 1 : 0 ); :} |
nkeynes@359 | 655 | CMP/HS Rm, Rn {: sh4r.t = ( sh4r.r[Rn] >= sh4r.r[Rm] ? 1 : 0 ); :} |
nkeynes@359 | 656 | CMP/PL Rn {: sh4r.t = ( ((int32_t)sh4r.r[Rn]) > 0 ? 1 : 0 ); :} |
nkeynes@359 | 657 | CMP/PZ Rn {: sh4r.t = ( ((int32_t)sh4r.r[Rn]) >= 0 ? 1 : 0 ); :} |
nkeynes@359 | 658 | CMP/STR Rm, Rn {: |
nkeynes@359 | 659 | /* set T = 1 if any byte in RM & RN is the same */ |
nkeynes@359 | 660 | tmp = sh4r.r[Rm] ^ sh4r.r[Rn]; |
nkeynes@359 | 661 | sh4r.t = ((tmp&0x000000FF)==0 || (tmp&0x0000FF00)==0 || |
nkeynes@359 | 662 | (tmp&0x00FF0000)==0 || (tmp&0xFF000000)==0)?1:0; |
nkeynes@359 | 663 | :} |
nkeynes@359 | 664 | |
nkeynes@359 | 665 | ADD Rm, Rn {: sh4r.r[Rn] += sh4r.r[Rm]; :} |
nkeynes@359 | 666 | ADD #imm, Rn {: sh4r.r[Rn] += imm; :} |
nkeynes@359 | 667 | ADDC Rm, Rn {: |
nkeynes@359 | 668 | tmp = sh4r.r[Rn]; |
nkeynes@359 | 669 | sh4r.r[Rn] += sh4r.r[Rm] + sh4r.t; |
nkeynes@359 | 670 | sh4r.t = ( sh4r.r[Rn] < tmp || (sh4r.r[Rn] == tmp && sh4r.t != 0) ? 1 : 0 ); |
nkeynes@359 | 671 | :} |
nkeynes@359 | 672 | ADDV Rm, Rn {: |
nkeynes@359 | 673 | tmp = sh4r.r[Rn] + sh4r.r[Rm]; |
nkeynes@359 | 674 | sh4r.t = ( (sh4r.r[Rn]>>31) == (sh4r.r[Rm]>>31) && ((sh4r.r[Rn]>>31) != (tmp>>31)) ); |
nkeynes@359 | 675 | sh4r.r[Rn] = tmp; |
nkeynes@359 | 676 | :} |
nkeynes@359 | 677 | DIV0U {: sh4r.m = sh4r.q = sh4r.t = 0; :} |
nkeynes@359 | 678 | DIV0S Rm, Rn {: |
nkeynes@359 | 679 | sh4r.q = sh4r.r[Rn]>>31; |
nkeynes@359 | 680 | sh4r.m = sh4r.r[Rm]>>31; |
nkeynes@359 | 681 | sh4r.t = sh4r.q ^ sh4r.m; |
nkeynes@359 | 682 | :} |
nkeynes@359 | 683 | DIV1 Rm, Rn {: |
nkeynes@359 | 684 | /* This is just from the sh4p manual with some |
nkeynes@359 | 685 | * simplifications (someone want to check it's correct? :) |
nkeynes@359 | 686 | * Why they couldn't just provide a real DIV instruction... |
nkeynes@359 | 687 | */ |
nkeynes@359 | 688 | uint32_t tmp0, tmp1, tmp2, dir; |
nkeynes@359 | 689 | |
nkeynes@359 | 690 | dir = sh4r.q ^ sh4r.m; |
nkeynes@359 | 691 | sh4r.q = (sh4r.r[Rn] >> 31); |
nkeynes@359 | 692 | tmp2 = sh4r.r[Rm]; |
nkeynes@359 | 693 | sh4r.r[Rn] = (sh4r.r[Rn] << 1) | sh4r.t; |
nkeynes@359 | 694 | tmp0 = sh4r.r[Rn]; |
nkeynes@359 | 695 | if( dir ) { |
nkeynes@359 | 696 | sh4r.r[Rn] += tmp2; |
nkeynes@359 | 697 | tmp1 = (sh4r.r[Rn]<tmp0 ? 1 : 0 ); |
nkeynes@359 | 698 | } else { |
nkeynes@359 | 699 | sh4r.r[Rn] -= tmp2; |
nkeynes@359 | 700 | tmp1 = (sh4r.r[Rn]>tmp0 ? 1 : 0 ); |
nkeynes@359 | 701 | } |
nkeynes@359 | 702 | sh4r.q ^= sh4r.m ^ tmp1; |
nkeynes@359 | 703 | sh4r.t = ( sh4r.q == sh4r.m ? 1 : 0 ); |
nkeynes@359 | 704 | :} |
nkeynes@359 | 705 | DMULS.L Rm, Rn {: sh4r.mac = SIGNEXT32(sh4r.r[Rm]) * SIGNEXT32(sh4r.r[Rn]); :} |
nkeynes@359 | 706 | DMULU.L Rm, Rn {: sh4r.mac = ((uint64_t)sh4r.r[Rm]) * ((uint64_t)sh4r.r[Rn]); :} |
nkeynes@359 | 707 | DT Rn {: |
nkeynes@359 | 708 | sh4r.r[Rn] --; |
nkeynes@359 | 709 | sh4r.t = ( sh4r.r[Rn] == 0 ? 1 : 0 ); |
nkeynes@359 | 710 | :} |
nkeynes@359 | 711 | MAC.W @Rm+, @Rn+ {: |
nkeynes@359 | 712 | CHECKRALIGN16( sh4r.r[Rn] ); |
nkeynes@359 | 713 | CHECKRALIGN16( sh4r.r[Rm] ); |
nkeynes@359 | 714 | int32_t stmp = SIGNEXT16(MEM_READ_WORD(sh4r.r[Rn])); |
nkeynes@359 | 715 | sh4r.r[Rn] += 2; |
nkeynes@359 | 716 | stmp = stmp * SIGNEXT16(MEM_READ_WORD(sh4r.r[Rm])); |
nkeynes@359 | 717 | sh4r.r[Rm] += 2; |
nkeynes@359 | 718 | if( sh4r.s ) { |
nkeynes@359 | 719 | int64_t tmpl = (int64_t)((int32_t)sh4r.mac) + (int64_t)stmp; |
nkeynes@359 | 720 | if( tmpl > (int64_t)0x000000007FFFFFFFLL ) { |
nkeynes@359 | 721 | sh4r.mac = 0x000000017FFFFFFFLL; |
nkeynes@359 | 722 | } else if( tmpl < (int64_t)0xFFFFFFFF80000000LL ) { |
nkeynes@359 | 723 | sh4r.mac = 0x0000000180000000LL; |
nkeynes@359 | 724 | } else { |
nkeynes@359 | 725 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) | |
nkeynes@359 | 726 | ((uint32_t)(sh4r.mac + stmp)); |
nkeynes@359 | 727 | } |
nkeynes@359 | 728 | } else { |
nkeynes@359 | 729 | sh4r.mac += SIGNEXT32(stmp); |
nkeynes@359 | 730 | } |
nkeynes@359 | 731 | :} |
nkeynes@359 | 732 | MAC.L @Rm+, @Rn+ {: |
nkeynes@359 | 733 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 734 | CHECKRALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 735 | int64_t tmpl = SIGNEXT32(MEM_READ_LONG(sh4r.r[Rn])); |
nkeynes@359 | 736 | sh4r.r[Rn] += 4; |
nkeynes@359 | 737 | tmpl = tmpl * SIGNEXT32(MEM_READ_LONG(sh4r.r[Rm])) + sh4r.mac; |
nkeynes@359 | 738 | sh4r.r[Rm] += 4; |
nkeynes@359 | 739 | if( sh4r.s ) { |
nkeynes@359 | 740 | /* 48-bit Saturation. Yuch */ |
nkeynes@359 | 741 | if( tmpl < (int64_t)0xFFFF800000000000LL ) |
nkeynes@359 | 742 | tmpl = 0xFFFF800000000000LL; |
nkeynes@359 | 743 | else if( tmpl > (int64_t)0x00007FFFFFFFFFFFLL ) |
nkeynes@359 | 744 | tmpl = 0x00007FFFFFFFFFFFLL; |
nkeynes@359 | 745 | } |
nkeynes@359 | 746 | sh4r.mac = tmpl; |
nkeynes@359 | 747 | :} |
nkeynes@359 | 748 | MUL.L Rm, Rn {: sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) | |
nkeynes@359 | 749 | (sh4r.r[Rm] * sh4r.r[Rn]); :} |
nkeynes@359 | 750 | MULU.W Rm, Rn {: |
nkeynes@359 | 751 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) | |
nkeynes@359 | 752 | (uint32_t)((sh4r.r[Rm]&0xFFFF) * (sh4r.r[Rn]&0xFFFF)); |
nkeynes@359 | 753 | :} |
nkeynes@359 | 754 | MULS.W Rm, Rn {: |
nkeynes@359 | 755 | sh4r.mac = (sh4r.mac&0xFFFFFFFF00000000LL) | |
nkeynes@359 | 756 | (uint32_t)(SIGNEXT32(sh4r.r[Rm]&0xFFFF) * SIGNEXT32(sh4r.r[Rn]&0xFFFF)); |
nkeynes@359 | 757 | :} |
nkeynes@359 | 758 | NEGC Rm, Rn {: |
nkeynes@359 | 759 | tmp = 0 - sh4r.r[Rm]; |
nkeynes@359 | 760 | sh4r.r[Rn] = tmp - sh4r.t; |
nkeynes@359 | 761 | sh4r.t = ( 0<tmp || tmp<sh4r.r[Rn] ? 1 : 0 ); |
nkeynes@359 | 762 | :} |
nkeynes@359 | 763 | NEG Rm, Rn {: sh4r.r[Rn] = 0 - sh4r.r[Rm]; :} |
nkeynes@359 | 764 | SUB Rm, Rn {: sh4r.r[Rn] -= sh4r.r[Rm]; :} |
nkeynes@359 | 765 | SUBC Rm, Rn {: |
nkeynes@359 | 766 | tmp = sh4r.r[Rn]; |
nkeynes@359 | 767 | sh4r.r[Rn] = sh4r.r[Rn] - sh4r.r[Rm] - sh4r.t; |
nkeynes@359 | 768 | sh4r.t = (sh4r.r[Rn] > tmp || (sh4r.r[Rn] == tmp && sh4r.t == 1)); |
nkeynes@359 | 769 | :} |
nkeynes@359 | 770 | |
nkeynes@359 | 771 | BRAF Rn {: |
nkeynes@359 | 772 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 773 | CHECKDEST( pc + 4 + sh4r.r[Rn] ); |
nkeynes@359 | 774 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 775 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 776 | sh4r.new_pc = pc + 4 + sh4r.r[Rn]; |
nkeynes@359 | 777 | return TRUE; |
nkeynes@359 | 778 | :} |
nkeynes@359 | 779 | BSRF Rn {: |
nkeynes@359 | 780 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 781 | CHECKDEST( pc + 4 + sh4r.r[Rn] ); |
nkeynes@359 | 782 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 783 | sh4r.pr = sh4r.pc + 4; |
nkeynes@359 | 784 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 785 | sh4r.new_pc = pc + 4 + sh4r.r[Rn]; |
nkeynes@359 | 786 | TRACE_CALL( pc, sh4r.new_pc ); |
nkeynes@359 | 787 | return TRUE; |
nkeynes@359 | 788 | :} |
nkeynes@359 | 789 | BT disp {: |
nkeynes@359 | 790 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 791 | if( sh4r.t ) { |
nkeynes@359 | 792 | CHECKDEST( sh4r.pc + disp + 4 ) |
nkeynes@359 | 793 | sh4r.pc += disp + 4; |
nkeynes@359 | 794 | sh4r.new_pc = sh4r.pc + 2; |
nkeynes@359 | 795 | return TRUE; |
nkeynes@359 | 796 | } |
nkeynes@359 | 797 | :} |
nkeynes@359 | 798 | BF disp {: |
nkeynes@359 | 799 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 800 | if( !sh4r.t ) { |
nkeynes@359 | 801 | CHECKDEST( sh4r.pc + disp + 4 ) |
nkeynes@359 | 802 | sh4r.pc += disp + 4; |
nkeynes@359 | 803 | sh4r.new_pc = sh4r.pc + 2; |
nkeynes@359 | 804 | return TRUE; |
nkeynes@359 | 805 | } |
nkeynes@359 | 806 | :} |
nkeynes@359 | 807 | BT/S disp {: |
nkeynes@359 | 808 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 809 | if( sh4r.t ) { |
nkeynes@359 | 810 | CHECKDEST( sh4r.pc + disp + 4 ) |
nkeynes@359 | 811 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 812 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 813 | sh4r.new_pc = pc + disp + 4; |
nkeynes@359 | 814 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 815 | return TRUE; |
nkeynes@359 | 816 | } |
nkeynes@359 | 817 | :} |
nkeynes@359 | 818 | BF/S disp {: |
nkeynes@359 | 819 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 820 | if( !sh4r.t ) { |
nkeynes@359 | 821 | CHECKDEST( sh4r.pc + disp + 4 ) |
nkeynes@359 | 822 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 823 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 824 | sh4r.new_pc = pc + disp + 4; |
nkeynes@359 | 825 | return TRUE; |
nkeynes@359 | 826 | } |
nkeynes@359 | 827 | :} |
nkeynes@359 | 828 | BRA disp {: |
nkeynes@359 | 829 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 830 | CHECKDEST( sh4r.pc + disp + 4 ); |
nkeynes@359 | 831 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 832 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 833 | sh4r.new_pc = pc + 4 + disp; |
nkeynes@359 | 834 | return TRUE; |
nkeynes@359 | 835 | :} |
nkeynes@359 | 836 | BSR disp {: |
nkeynes@359 | 837 | CHECKDEST( sh4r.pc + disp + 4 ); |
nkeynes@359 | 838 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 839 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 840 | sh4r.pr = pc + 4; |
nkeynes@359 | 841 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 842 | sh4r.new_pc = pc + 4 + disp; |
nkeynes@359 | 843 | TRACE_CALL( pc, sh4r.new_pc ); |
nkeynes@359 | 844 | return TRUE; |
nkeynes@359 | 845 | :} |
nkeynes@359 | 846 | TRAPA #imm {: |
nkeynes@359 | 847 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 848 | MMIO_WRITE( MMU, TRA, imm<<2 ); |
nkeynes@359 | 849 | sh4r.pc += 2; |
nkeynes@359 | 850 | sh4_raise_exception( EXC_TRAP ); |
nkeynes@359 | 851 | :} |
nkeynes@359 | 852 | RTS {: |
nkeynes@359 | 853 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 854 | CHECKDEST( sh4r.pr ); |
nkeynes@359 | 855 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 856 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 857 | sh4r.new_pc = sh4r.pr; |
nkeynes@359 | 858 | TRACE_RETURN( pc, sh4r.new_pc ); |
nkeynes@359 | 859 | return TRUE; |
nkeynes@359 | 860 | :} |
nkeynes@359 | 861 | SLEEP {: |
nkeynes@359 | 862 | if( MMIO_READ( CPG, STBCR ) & 0x80 ) { |
nkeynes@359 | 863 | sh4r.sh4_state = SH4_STATE_STANDBY; |
nkeynes@359 | 864 | } else { |
nkeynes@359 | 865 | sh4r.sh4_state = SH4_STATE_SLEEP; |
nkeynes@359 | 866 | } |
nkeynes@359 | 867 | return FALSE; /* Halt CPU */ |
nkeynes@359 | 868 | :} |
nkeynes@359 | 869 | RTE {: |
nkeynes@359 | 870 | CHECKPRIV(); |
nkeynes@359 | 871 | CHECKDEST( sh4r.spc ); |
nkeynes@359 | 872 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 873 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 874 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 875 | sh4r.new_pc = sh4r.spc; |
nkeynes@374 | 876 | sh4_write_sr( sh4r.ssr ); |
nkeynes@359 | 877 | return TRUE; |
nkeynes@359 | 878 | :} |
nkeynes@359 | 879 | JMP @Rn {: |
nkeynes@359 | 880 | CHECKDEST( sh4r.r[Rn] ); |
nkeynes@359 | 881 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 882 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 883 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 884 | sh4r.new_pc = sh4r.r[Rn]; |
nkeynes@359 | 885 | return TRUE; |
nkeynes@359 | 886 | :} |
nkeynes@359 | 887 | JSR @Rn {: |
nkeynes@359 | 888 | CHECKDEST( sh4r.r[Rn] ); |
nkeynes@359 | 889 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 890 | sh4r.in_delay_slot = 1; |
nkeynes@359 | 891 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 892 | sh4r.new_pc = sh4r.r[Rn]; |
nkeynes@359 | 893 | sh4r.pr = pc + 4; |
nkeynes@359 | 894 | TRACE_CALL( pc, sh4r.new_pc ); |
nkeynes@359 | 895 | return TRUE; |
nkeynes@359 | 896 | :} |
nkeynes@359 | 897 | STS MACH, Rn {: sh4r.r[Rn] = (sh4r.mac>>32); :} |
nkeynes@359 | 898 | STS.L MACH, @-Rn {: |
nkeynes@359 | 899 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 900 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 901 | MEM_WRITE_LONG( sh4r.r[Rn], (sh4r.mac>>32) ); |
nkeynes@359 | 902 | :} |
nkeynes@359 | 903 | STC.L SR, @-Rn {: |
nkeynes@359 | 904 | CHECKPRIV(); |
nkeynes@359 | 905 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 906 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 907 | MEM_WRITE_LONG( sh4r.r[Rn], sh4_read_sr() ); |
nkeynes@359 | 908 | :} |
nkeynes@359 | 909 | LDS.L @Rm+, MACH {: |
nkeynes@359 | 910 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 911 | sh4r.mac = (sh4r.mac & 0x00000000FFFFFFFF) | |
nkeynes@359 | 912 | (((uint64_t)MEM_READ_LONG(sh4r.r[Rm]))<<32); |
nkeynes@359 | 913 | sh4r.r[Rm] += 4; |
nkeynes@359 | 914 | :} |
nkeynes@359 | 915 | LDC.L @Rm+, SR {: |
nkeynes@359 | 916 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 917 | CHECKPRIV(); |
nkeynes@359 | 918 | CHECKWALIGN32( sh4r.r[Rm] ); |
nkeynes@374 | 919 | sh4_write_sr( MEM_READ_LONG(sh4r.r[Rm]) ); |
nkeynes@359 | 920 | sh4r.r[Rm] +=4; |
nkeynes@359 | 921 | :} |
nkeynes@359 | 922 | LDS Rm, MACH {: |
nkeynes@359 | 923 | sh4r.mac = (sh4r.mac & 0x00000000FFFFFFFF) | |
nkeynes@359 | 924 | (((uint64_t)sh4r.r[Rm])<<32); |
nkeynes@359 | 925 | :} |
nkeynes@359 | 926 | LDC Rm, SR {: |
nkeynes@359 | 927 | CHECKSLOTILLEGAL(); |
nkeynes@359 | 928 | CHECKPRIV(); |
nkeynes@374 | 929 | sh4_write_sr( sh4r.r[Rm] ); |
nkeynes@359 | 930 | :} |
nkeynes@359 | 931 | LDC Rm, SGR {: |
nkeynes@359 | 932 | CHECKPRIV(); |
nkeynes@359 | 933 | sh4r.sgr = sh4r.r[Rm]; |
nkeynes@359 | 934 | :} |
nkeynes@359 | 935 | LDC.L @Rm+, SGR {: |
nkeynes@359 | 936 | CHECKPRIV(); |
nkeynes@359 | 937 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 938 | sh4r.sgr = MEM_READ_LONG(sh4r.r[Rm]); |
nkeynes@359 | 939 | sh4r.r[Rm] +=4; |
nkeynes@359 | 940 | :} |
nkeynes@359 | 941 | STS MACL, Rn {: sh4r.r[Rn] = (uint32_t)sh4r.mac; :} |
nkeynes@359 | 942 | STS.L MACL, @-Rn {: |
nkeynes@359 | 943 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 944 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 945 | MEM_WRITE_LONG( sh4r.r[Rn], (uint32_t)sh4r.mac ); |
nkeynes@359 | 946 | :} |
nkeynes@359 | 947 | STC.L GBR, @-Rn {: |
nkeynes@359 | 948 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 949 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 950 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.gbr ); |
nkeynes@359 | 951 | :} |
nkeynes@359 | 952 | LDS.L @Rm+, MACL {: |
nkeynes@359 | 953 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 954 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) | |
nkeynes@359 | 955 | (uint64_t)((uint32_t)MEM_READ_LONG(sh4r.r[Rm])); |
nkeynes@359 | 956 | sh4r.r[Rm] += 4; |
nkeynes@359 | 957 | :} |
nkeynes@359 | 958 | LDC.L @Rm+, GBR {: |
nkeynes@359 | 959 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 960 | sh4r.gbr = MEM_READ_LONG(sh4r.r[Rm]); |
nkeynes@359 | 961 | sh4r.r[Rm] +=4; |
nkeynes@359 | 962 | :} |
nkeynes@359 | 963 | LDS Rm, MACL {: |
nkeynes@359 | 964 | sh4r.mac = (sh4r.mac & 0xFFFFFFFF00000000LL) | |
nkeynes@359 | 965 | (uint64_t)((uint32_t)(sh4r.r[Rm])); |
nkeynes@359 | 966 | :} |
nkeynes@359 | 967 | LDC Rm, GBR {: sh4r.gbr = sh4r.r[Rm]; :} |
nkeynes@359 | 968 | STS PR, Rn {: sh4r.r[Rn] = sh4r.pr; :} |
nkeynes@359 | 969 | STS.L PR, @-Rn {: |
nkeynes@359 | 970 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 971 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 972 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.pr ); |
nkeynes@359 | 973 | :} |
nkeynes@359 | 974 | STC.L VBR, @-Rn {: |
nkeynes@359 | 975 | CHECKPRIV(); |
nkeynes@359 | 976 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 977 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 978 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.vbr ); |
nkeynes@359 | 979 | :} |
nkeynes@359 | 980 | LDS.L @Rm+, PR {: |
nkeynes@359 | 981 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 982 | sh4r.pr = MEM_READ_LONG( sh4r.r[Rm] ); |
nkeynes@359 | 983 | sh4r.r[Rm] += 4; |
nkeynes@359 | 984 | :} |
nkeynes@359 | 985 | LDC.L @Rm+, VBR {: |
nkeynes@359 | 986 | CHECKPRIV(); |
nkeynes@359 | 987 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 988 | sh4r.vbr = MEM_READ_LONG(sh4r.r[Rm]); |
nkeynes@359 | 989 | sh4r.r[Rm] +=4; |
nkeynes@359 | 990 | :} |
nkeynes@359 | 991 | LDS Rm, PR {: sh4r.pr = sh4r.r[Rm]; :} |
nkeynes@359 | 992 | LDC Rm, VBR {: |
nkeynes@359 | 993 | CHECKPRIV(); |
nkeynes@359 | 994 | sh4r.vbr = sh4r.r[Rm]; |
nkeynes@359 | 995 | :} |
nkeynes@359 | 996 | STC SGR, Rn {: |
nkeynes@359 | 997 | CHECKPRIV(); |
nkeynes@359 | 998 | sh4r.r[Rn] = sh4r.sgr; |
nkeynes@359 | 999 | :} |
nkeynes@359 | 1000 | STC.L SGR, @-Rn {: |
nkeynes@359 | 1001 | CHECKPRIV(); |
nkeynes@359 | 1002 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 1003 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 1004 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.sgr ); |
nkeynes@359 | 1005 | :} |
nkeynes@359 | 1006 | STC.L SSR, @-Rn {: |
nkeynes@359 | 1007 | CHECKPRIV(); |
nkeynes@359 | 1008 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 1009 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 1010 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.ssr ); |
nkeynes@359 | 1011 | :} |
nkeynes@359 | 1012 | LDC.L @Rm+, SSR {: |
nkeynes@359 | 1013 | CHECKPRIV(); |
nkeynes@359 | 1014 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 1015 | sh4r.ssr = MEM_READ_LONG(sh4r.r[Rm]); |
nkeynes@359 | 1016 | sh4r.r[Rm] +=4; |
nkeynes@359 | 1017 | :} |
nkeynes@359 | 1018 | LDC Rm, SSR {: |
nkeynes@359 | 1019 | CHECKPRIV(); |
nkeynes@359 | 1020 | sh4r.ssr = sh4r.r[Rm]; |
nkeynes@359 | 1021 | :} |
nkeynes@359 | 1022 | STC.L SPC, @-Rn {: |
nkeynes@359 | 1023 | CHECKPRIV(); |
nkeynes@359 | 1024 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 1025 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 1026 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.spc ); |
nkeynes@359 | 1027 | :} |
nkeynes@359 | 1028 | LDC.L @Rm+, SPC {: |
nkeynes@359 | 1029 | CHECKPRIV(); |
nkeynes@359 | 1030 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 1031 | sh4r.spc = MEM_READ_LONG(sh4r.r[Rm]); |
nkeynes@359 | 1032 | sh4r.r[Rm] +=4; |
nkeynes@359 | 1033 | :} |
nkeynes@359 | 1034 | LDC Rm, SPC {: |
nkeynes@359 | 1035 | CHECKPRIV(); |
nkeynes@359 | 1036 | sh4r.spc = sh4r.r[Rm]; |
nkeynes@359 | 1037 | :} |
nkeynes@359 | 1038 | STS FPUL, Rn {: sh4r.r[Rn] = sh4r.fpul; :} |
nkeynes@359 | 1039 | STS.L FPUL, @-Rn {: |
nkeynes@359 | 1040 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 1041 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 1042 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.fpul ); |
nkeynes@359 | 1043 | :} |
nkeynes@359 | 1044 | LDS.L @Rm+, FPUL {: |
nkeynes@359 | 1045 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 1046 | sh4r.fpul = MEM_READ_LONG(sh4r.r[Rm]); |
nkeynes@359 | 1047 | sh4r.r[Rm] +=4; |
nkeynes@359 | 1048 | :} |
nkeynes@359 | 1049 | LDS Rm, FPUL {: sh4r.fpul = sh4r.r[Rm]; :} |
nkeynes@359 | 1050 | STS FPSCR, Rn {: sh4r.r[Rn] = sh4r.fpscr; :} |
nkeynes@359 | 1051 | STS.L FPSCR, @-Rn {: |
nkeynes@359 | 1052 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 1053 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 1054 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.fpscr ); |
nkeynes@359 | 1055 | :} |
nkeynes@359 | 1056 | LDS.L @Rm+, FPSCR {: |
nkeynes@359 | 1057 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 1058 | sh4r.fpscr = MEM_READ_LONG(sh4r.r[Rm]); |
nkeynes@359 | 1059 | sh4r.r[Rm] +=4; |
nkeynes@374 | 1060 | sh4r.fr_bank = &sh4r.fr[(sh4r.fpscr&FPSCR_FR)>>21][0]; |
nkeynes@359 | 1061 | :} |
nkeynes@374 | 1062 | LDS Rm, FPSCR {: |
nkeynes@374 | 1063 | sh4r.fpscr = sh4r.r[Rm]; |
nkeynes@374 | 1064 | sh4r.fr_bank = &sh4r.fr[(sh4r.fpscr&FPSCR_FR)>>21][0]; |
nkeynes@374 | 1065 | :} |
nkeynes@359 | 1066 | STC DBR, Rn {: CHECKPRIV(); sh4r.r[Rn] = sh4r.dbr; :} |
nkeynes@359 | 1067 | STC.L DBR, @-Rn {: |
nkeynes@359 | 1068 | CHECKPRIV(); |
nkeynes@359 | 1069 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 1070 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 1071 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.dbr ); |
nkeynes@359 | 1072 | :} |
nkeynes@359 | 1073 | LDC.L @Rm+, DBR {: |
nkeynes@359 | 1074 | CHECKPRIV(); |
nkeynes@359 | 1075 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 1076 | sh4r.dbr = MEM_READ_LONG(sh4r.r[Rm]); |
nkeynes@359 | 1077 | sh4r.r[Rm] +=4; |
nkeynes@359 | 1078 | :} |
nkeynes@359 | 1079 | LDC Rm, DBR {: |
nkeynes@359 | 1080 | CHECKPRIV(); |
nkeynes@359 | 1081 | sh4r.dbr = sh4r.r[Rm]; |
nkeynes@359 | 1082 | :} |
nkeynes@359 | 1083 | STC.L Rm_BANK, @-Rn {: |
nkeynes@359 | 1084 | CHECKPRIV(); |
nkeynes@359 | 1085 | sh4r.r[Rn] -= 4; |
nkeynes@359 | 1086 | CHECKWALIGN32( sh4r.r[Rn] ); |
nkeynes@359 | 1087 | MEM_WRITE_LONG( sh4r.r[Rn], sh4r.r_bank[Rm_BANK] ); |
nkeynes@359 | 1088 | :} |
nkeynes@359 | 1089 | LDC.L @Rm+, Rn_BANK {: |
nkeynes@359 | 1090 | CHECKPRIV(); |
nkeynes@359 | 1091 | CHECKRALIGN32( sh4r.r[Rm] ); |
nkeynes@359 | 1092 | sh4r.r_bank[Rn_BANK] = MEM_READ_LONG( sh4r.r[Rm] ); |
nkeynes@359 | 1093 | sh4r.r[Rm] += 4; |
nkeynes@359 | 1094 | :} |
nkeynes@359 | 1095 | LDC Rm, Rn_BANK {: |
nkeynes@359 | 1096 | CHECKPRIV(); |
nkeynes@359 | 1097 | sh4r.r_bank[Rn_BANK] = sh4r.r[Rm]; |
nkeynes@359 | 1098 | :} |
nkeynes@359 | 1099 | STC SR, Rn {: |
nkeynes@359 | 1100 | CHECKPRIV(); |
nkeynes@359 | 1101 | sh4r.r[Rn] = sh4_read_sr(); |
nkeynes@359 | 1102 | :} |
nkeynes@359 | 1103 | STC GBR, Rn {: |
nkeynes@359 | 1104 | CHECKPRIV(); |
nkeynes@359 | 1105 | sh4r.r[Rn] = sh4r.gbr; |
nkeynes@359 | 1106 | :} |
nkeynes@359 | 1107 | STC VBR, Rn {: |
nkeynes@359 | 1108 | CHECKPRIV(); |
nkeynes@359 | 1109 | sh4r.r[Rn] = sh4r.vbr; |
nkeynes@359 | 1110 | :} |
nkeynes@359 | 1111 | STC SSR, Rn {: |
nkeynes@359 | 1112 | CHECKPRIV(); |
nkeynes@359 | 1113 | sh4r.r[Rn] = sh4r.ssr; |
nkeynes@359 | 1114 | :} |
nkeynes@359 | 1115 | STC SPC, Rn {: |
nkeynes@359 | 1116 | CHECKPRIV(); |
nkeynes@359 | 1117 | sh4r.r[Rn] = sh4r.spc; |
nkeynes@359 | 1118 | :} |
nkeynes@359 | 1119 | STC Rm_BANK, Rn {: |
nkeynes@359 | 1120 | CHECKPRIV(); |
nkeynes@359 | 1121 | sh4r.r[Rn] = sh4r.r_bank[Rm_BANK]; |
nkeynes@359 | 1122 | :} |
nkeynes@359 | 1123 | |
nkeynes@359 | 1124 | FADD FRm, FRn {: |
nkeynes@359 | 1125 | CHECKFPUEN(); |
nkeynes@359 | 1126 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1127 | DR(FRn) += DR(FRm); |
nkeynes@359 | 1128 | } else { |
nkeynes@359 | 1129 | FR(FRn) += FR(FRm); |
nkeynes@359 | 1130 | } |
nkeynes@359 | 1131 | :} |
nkeynes@359 | 1132 | FSUB FRm, FRn {: |
nkeynes@359 | 1133 | CHECKFPUEN(); |
nkeynes@359 | 1134 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1135 | DR(FRn) -= DR(FRm); |
nkeynes@359 | 1136 | } else { |
nkeynes@359 | 1137 | FR(FRn) -= FR(FRm); |
nkeynes@359 | 1138 | } |
nkeynes@359 | 1139 | :} |
nkeynes@359 | 1140 | |
nkeynes@359 | 1141 | FMUL FRm, FRn {: |
nkeynes@359 | 1142 | CHECKFPUEN(); |
nkeynes@359 | 1143 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1144 | DR(FRn) *= DR(FRm); |
nkeynes@359 | 1145 | } else { |
nkeynes@359 | 1146 | FR(FRn) *= FR(FRm); |
nkeynes@359 | 1147 | } |
nkeynes@359 | 1148 | :} |
nkeynes@359 | 1149 | |
nkeynes@359 | 1150 | FDIV FRm, FRn {: |
nkeynes@359 | 1151 | CHECKFPUEN(); |
nkeynes@359 | 1152 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1153 | DR(FRn) /= DR(FRm); |
nkeynes@359 | 1154 | } else { |
nkeynes@359 | 1155 | FR(FRn) /= FR(FRm); |
nkeynes@359 | 1156 | } |
nkeynes@359 | 1157 | :} |
nkeynes@359 | 1158 | |
nkeynes@359 | 1159 | FCMP/EQ FRm, FRn {: |
nkeynes@359 | 1160 | CHECKFPUEN(); |
nkeynes@359 | 1161 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1162 | sh4r.t = ( DR(FRn) == DR(FRm) ? 1 : 0 ); |
nkeynes@359 | 1163 | } else { |
nkeynes@359 | 1164 | sh4r.t = ( FR(FRn) == FR(FRm) ? 1 : 0 ); |
nkeynes@359 | 1165 | } |
nkeynes@359 | 1166 | :} |
nkeynes@359 | 1167 | |
nkeynes@359 | 1168 | FCMP/GT FRm, FRn {: |
nkeynes@359 | 1169 | CHECKFPUEN(); |
nkeynes@359 | 1170 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1171 | sh4r.t = ( DR(FRn) > DR(FRm) ? 1 : 0 ); |
nkeynes@359 | 1172 | } else { |
nkeynes@359 | 1173 | sh4r.t = ( FR(FRn) > FR(FRm) ? 1 : 0 ); |
nkeynes@359 | 1174 | } |
nkeynes@359 | 1175 | :} |
nkeynes@359 | 1176 | |
nkeynes@359 | 1177 | FMOV @(R0, Rm), FRn {: MEM_FP_READ( sh4r.r[Rm] + R0, FRn ); :} |
nkeynes@359 | 1178 | FMOV FRm, @(R0, Rn) {: MEM_FP_WRITE( sh4r.r[Rn] + R0, FRm ); :} |
nkeynes@359 | 1179 | FMOV @Rm, FRn {: MEM_FP_READ( sh4r.r[Rm], FRn ); :} |
nkeynes@359 | 1180 | FMOV @Rm+, FRn {: MEM_FP_READ( sh4r.r[Rm], FRn ); sh4r.r[Rm] += FP_WIDTH; :} |
nkeynes@359 | 1181 | FMOV FRm, @Rn {: MEM_FP_WRITE( sh4r.r[Rn], FRm ); :} |
nkeynes@359 | 1182 | FMOV FRm, @-Rn {: sh4r.r[Rn] -= FP_WIDTH; MEM_FP_WRITE( sh4r.r[Rn], FRm ); :} |
nkeynes@359 | 1183 | FMOV FRm, FRn {: |
nkeynes@359 | 1184 | if( IS_FPU_DOUBLESIZE() ) |
nkeynes@359 | 1185 | DR(FRn) = DR(FRm); |
nkeynes@359 | 1186 | else |
nkeynes@359 | 1187 | FR(FRn) = FR(FRm); |
nkeynes@359 | 1188 | :} |
nkeynes@359 | 1189 | FSTS FPUL, FRn {: CHECKFPUEN(); FR(FRn) = FPULf; :} |
nkeynes@359 | 1190 | FLDS FRm, FPUL {: CHECKFPUEN(); FPULf = FR(FRm); :} |
nkeynes@359 | 1191 | FLOAT FPUL, FRn {: |
nkeynes@359 | 1192 | CHECKFPUEN(); |
nkeynes@374 | 1193 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@374 | 1194 | if( FRn&1 ) { // No, really... |
nkeynes@374 | 1195 | dtmp = (double)FPULi; |
nkeynes@374 | 1196 | FR(FRn) = *(((float *)&dtmp)+1); |
nkeynes@374 | 1197 | } else { |
nkeynes@374 | 1198 | DRF(FRn>>1) = (double)FPULi; |
nkeynes@374 | 1199 | } |
nkeynes@374 | 1200 | } else { |
nkeynes@359 | 1201 | FR(FRn) = (float)FPULi; |
nkeynes@374 | 1202 | } |
nkeynes@359 | 1203 | :} |
nkeynes@359 | 1204 | FTRC FRm, FPUL {: |
nkeynes@359 | 1205 | CHECKFPUEN(); |
nkeynes@359 | 1206 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@374 | 1207 | if( FRm&1 ) { |
nkeynes@374 | 1208 | dtmp = 0; |
nkeynes@374 | 1209 | *(((float *)&dtmp)+1) = FR(FRm); |
nkeynes@374 | 1210 | } else { |
nkeynes@374 | 1211 | dtmp = DRF(FRm>>1); |
nkeynes@374 | 1212 | } |
nkeynes@359 | 1213 | if( dtmp >= MAX_INTF ) |
nkeynes@359 | 1214 | FPULi = MAX_INT; |
nkeynes@359 | 1215 | else if( dtmp <= MIN_INTF ) |
nkeynes@359 | 1216 | FPULi = MIN_INT; |
nkeynes@359 | 1217 | else |
nkeynes@359 | 1218 | FPULi = (int32_t)dtmp; |
nkeynes@359 | 1219 | } else { |
nkeynes@359 | 1220 | ftmp = FR(FRm); |
nkeynes@359 | 1221 | if( ftmp >= MAX_INTF ) |
nkeynes@359 | 1222 | FPULi = MAX_INT; |
nkeynes@359 | 1223 | else if( ftmp <= MIN_INTF ) |
nkeynes@359 | 1224 | FPULi = MIN_INT; |
nkeynes@359 | 1225 | else |
nkeynes@359 | 1226 | FPULi = (int32_t)ftmp; |
nkeynes@359 | 1227 | } |
nkeynes@359 | 1228 | :} |
nkeynes@359 | 1229 | FNEG FRn {: |
nkeynes@359 | 1230 | CHECKFPUEN(); |
nkeynes@359 | 1231 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1232 | DR(FRn) = -DR(FRn); |
nkeynes@359 | 1233 | } else { |
nkeynes@359 | 1234 | FR(FRn) = -FR(FRn); |
nkeynes@359 | 1235 | } |
nkeynes@359 | 1236 | :} |
nkeynes@359 | 1237 | FABS FRn {: |
nkeynes@359 | 1238 | CHECKFPUEN(); |
nkeynes@359 | 1239 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1240 | DR(FRn) = fabs(DR(FRn)); |
nkeynes@359 | 1241 | } else { |
nkeynes@359 | 1242 | FR(FRn) = fabsf(FR(FRn)); |
nkeynes@359 | 1243 | } |
nkeynes@359 | 1244 | :} |
nkeynes@359 | 1245 | FSQRT FRn {: |
nkeynes@359 | 1246 | CHECKFPUEN(); |
nkeynes@359 | 1247 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1248 | DR(FRn) = sqrt(DR(FRn)); |
nkeynes@359 | 1249 | } else { |
nkeynes@359 | 1250 | FR(FRn) = sqrtf(FR(FRn)); |
nkeynes@359 | 1251 | } |
nkeynes@359 | 1252 | :} |
nkeynes@359 | 1253 | FLDI0 FRn {: |
nkeynes@359 | 1254 | CHECKFPUEN(); |
nkeynes@359 | 1255 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1256 | DR(FRn) = 0.0; |
nkeynes@359 | 1257 | } else { |
nkeynes@359 | 1258 | FR(FRn) = 0.0; |
nkeynes@359 | 1259 | } |
nkeynes@359 | 1260 | :} |
nkeynes@359 | 1261 | FLDI1 FRn {: |
nkeynes@359 | 1262 | CHECKFPUEN(); |
nkeynes@359 | 1263 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1264 | DR(FRn) = 1.0; |
nkeynes@359 | 1265 | } else { |
nkeynes@359 | 1266 | FR(FRn) = 1.0; |
nkeynes@359 | 1267 | } |
nkeynes@359 | 1268 | :} |
nkeynes@359 | 1269 | FMAC FR0, FRm, FRn {: |
nkeynes@359 | 1270 | CHECKFPUEN(); |
nkeynes@359 | 1271 | if( IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1272 | DR(FRn) += DR(FRm)*DR(0); |
nkeynes@359 | 1273 | } else { |
nkeynes@359 | 1274 | FR(FRn) += FR(FRm)*FR(0); |
nkeynes@359 | 1275 | } |
nkeynes@359 | 1276 | :} |
nkeynes@374 | 1277 | FRCHG {: |
nkeynes@374 | 1278 | CHECKFPUEN(); |
nkeynes@374 | 1279 | sh4r.fpscr ^= FPSCR_FR; |
nkeynes@374 | 1280 | sh4r.fr_bank = &sh4r.fr[(sh4r.fpscr&FPSCR_FR)>>21][0]; |
nkeynes@374 | 1281 | :} |
nkeynes@359 | 1282 | FSCHG {: CHECKFPUEN(); sh4r.fpscr ^= FPSCR_SZ; :} |
nkeynes@359 | 1283 | FCNVSD FPUL, FRn {: |
nkeynes@359 | 1284 | CHECKFPUEN(); |
nkeynes@359 | 1285 | if( IS_FPU_DOUBLEPREC() && !IS_FPU_DOUBLESIZE() ) { |
nkeynes@359 | 1286 | DR(FRn) = (double)FPULf; |
nkeynes@359 | 1287 | } |
nkeynes@359 | 1288 | :} |
nkeynes@359 | 1289 | FCNVDS FRm, FPUL {: |
nkeynes@359 | 1290 | CHECKFPUEN(); |
nkeynes@359 | 1291 | if( IS_FPU_DOUBLEPREC() && !IS_FPU_DOUBLESIZE() ) { |
nkeynes@359 | 1292 | FPULf = (float)DR(FRm); |
nkeynes@359 | 1293 | } |
nkeynes@359 | 1294 | :} |
nkeynes@359 | 1295 | |
nkeynes@359 | 1296 | FSRRA FRn {: |
nkeynes@359 | 1297 | CHECKFPUEN(); |
nkeynes@359 | 1298 | if( !IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1299 | FR(FRn) = 1.0/sqrtf(FR(FRn)); |
nkeynes@359 | 1300 | } |
nkeynes@359 | 1301 | :} |
nkeynes@359 | 1302 | FIPR FVm, FVn {: |
nkeynes@359 | 1303 | CHECKFPUEN(); |
nkeynes@359 | 1304 | if( !IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1305 | int tmp2 = FVn<<2; |
nkeynes@359 | 1306 | tmp = FVm<<2; |
nkeynes@359 | 1307 | FR(tmp2+3) = FR(tmp)*FR(tmp2) + |
nkeynes@359 | 1308 | FR(tmp+1)*FR(tmp2+1) + |
nkeynes@359 | 1309 | FR(tmp+2)*FR(tmp2+2) + |
nkeynes@359 | 1310 | FR(tmp+3)*FR(tmp2+3); |
nkeynes@359 | 1311 | } |
nkeynes@359 | 1312 | :} |
nkeynes@359 | 1313 | FSCA FPUL, FRn {: |
nkeynes@359 | 1314 | CHECKFPUEN(); |
nkeynes@359 | 1315 | if( !IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1316 | float angle = (((float)(FPULi&0xFFFF))/65536.0) * 2 * M_PI; |
nkeynes@359 | 1317 | FR(FRn) = sinf(angle); |
nkeynes@359 | 1318 | FR((FRn)+1) = cosf(angle); |
nkeynes@359 | 1319 | } |
nkeynes@359 | 1320 | :} |
nkeynes@359 | 1321 | FTRV XMTRX, FVn {: |
nkeynes@359 | 1322 | CHECKFPUEN(); |
nkeynes@359 | 1323 | if( !IS_FPU_DOUBLEPREC() ) { |
nkeynes@359 | 1324 | tmp = FVn<<2; |
nkeynes@374 | 1325 | float *xf = &sh4r.fr[((~sh4r.fpscr)&FPSCR_FR)>>21][0]; |
nkeynes@359 | 1326 | float fv[4] = { FR(tmp), FR(tmp+1), FR(tmp+2), FR(tmp+3) }; |
nkeynes@374 | 1327 | FR(tmp) = xf[1] * fv[0] + xf[5]*fv[1] + |
nkeynes@374 | 1328 | xf[9]*fv[2] + xf[13]*fv[3]; |
nkeynes@374 | 1329 | FR(tmp+1) = xf[0] * fv[0] + xf[4]*fv[1] + |
nkeynes@374 | 1330 | xf[8]*fv[2] + xf[12]*fv[3]; |
nkeynes@374 | 1331 | FR(tmp+2) = xf[3] * fv[0] + xf[7]*fv[1] + |
nkeynes@374 | 1332 | xf[11]*fv[2] + xf[15]*fv[3]; |
nkeynes@374 | 1333 | FR(tmp+3) = xf[2] * fv[0] + xf[6]*fv[1] + |
nkeynes@374 | 1334 | xf[10]*fv[2] + xf[14]*fv[3]; |
nkeynes@359 | 1335 | } |
nkeynes@359 | 1336 | :} |
nkeynes@359 | 1337 | UNDEF {: |
nkeynes@359 | 1338 | UNDEF(ir); |
nkeynes@359 | 1339 | :} |
nkeynes@359 | 1340 | %% |
nkeynes@359 | 1341 | sh4r.pc = sh4r.new_pc; |
nkeynes@359 | 1342 | sh4r.new_pc += 2; |
nkeynes@359 | 1343 | sh4r.in_delay_slot = 0; |
nkeynes@359 | 1344 | return TRUE; |
nkeynes@359 | 1345 | } |
.