nkeynes@359 | 1 | /**
|
nkeynes@526 | 2 | * $Id: sh4x86.in,v 1.20 2007-11-08 11:54:16 nkeynes Exp $
|
nkeynes@359 | 3 | *
|
nkeynes@359 | 4 | * SH4 => x86 translation. This version does no real optimization, it just
|
nkeynes@359 | 5 | * outputs straight-line x86 code - it mainly exists to provide a baseline
|
nkeynes@359 | 6 | * to test the optimizing versions against.
|
nkeynes@359 | 7 | *
|
nkeynes@359 | 8 | * Copyright (c) 2007 Nathan Keynes.
|
nkeynes@359 | 9 | *
|
nkeynes@359 | 10 | * This program is free software; you can redistribute it and/or modify
|
nkeynes@359 | 11 | * it under the terms of the GNU General Public License as published by
|
nkeynes@359 | 12 | * the Free Software Foundation; either version 2 of the License, or
|
nkeynes@359 | 13 | * (at your option) any later version.
|
nkeynes@359 | 14 | *
|
nkeynes@359 | 15 | * This program is distributed in the hope that it will be useful,
|
nkeynes@359 | 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
nkeynes@359 | 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
nkeynes@359 | 18 | * GNU General Public License for more details.
|
nkeynes@359 | 19 | */
|
nkeynes@359 | 20 |
|
nkeynes@368 | 21 | #include <assert.h>
|
nkeynes@388 | 22 | #include <math.h>
|
nkeynes@368 | 23 |
|
nkeynes@380 | 24 | #ifndef NDEBUG
|
nkeynes@380 | 25 | #define DEBUG_JUMPS 1
|
nkeynes@380 | 26 | #endif
|
nkeynes@380 | 27 |
|
nkeynes@417 | 28 | #include "sh4/xltcache.h"
|
nkeynes@368 | 29 | #include "sh4/sh4core.h"
|
nkeynes@368 | 30 | #include "sh4/sh4trans.h"
|
nkeynes@388 | 31 | #include "sh4/sh4mmio.h"
|
nkeynes@368 | 32 | #include "sh4/x86op.h"
|
nkeynes@368 | 33 | #include "clock.h"
|
nkeynes@368 | 34 |
|
nkeynes@368 | 35 | #define DEFAULT_BACKPATCH_SIZE 4096
|
nkeynes@368 | 36 |
|
nkeynes@368 | 37 | /**
|
nkeynes@368 | 38 | * Struct to manage internal translation state. This state is not saved -
|
nkeynes@368 | 39 | * it is only valid between calls to sh4_translate_begin_block() and
|
nkeynes@368 | 40 | * sh4_translate_end_block()
|
nkeynes@368 | 41 | */
|
nkeynes@368 | 42 | struct sh4_x86_state {
|
nkeynes@368 | 43 | gboolean in_delay_slot;
|
nkeynes@368 | 44 | gboolean priv_checked; /* true if we've already checked the cpu mode. */
|
nkeynes@368 | 45 | gboolean fpuen_checked; /* true if we've already checked fpu enabled. */
|
nkeynes@409 | 46 | gboolean branch_taken; /* true if we branched unconditionally */
|
nkeynes@408 | 47 | uint32_t block_start_pc;
|
nkeynes@417 | 48 | int tstate;
|
nkeynes@368 | 49 |
|
nkeynes@368 | 50 | /* Allocated memory for the (block-wide) back-patch list */
|
nkeynes@368 | 51 | uint32_t **backpatch_list;
|
nkeynes@368 | 52 | uint32_t backpatch_posn;
|
nkeynes@368 | 53 | uint32_t backpatch_size;
|
nkeynes@368 | 54 | };
|
nkeynes@368 | 55 |
|
nkeynes@417 | 56 | #define TSTATE_NONE -1
|
nkeynes@417 | 57 | #define TSTATE_O 0
|
nkeynes@417 | 58 | #define TSTATE_C 2
|
nkeynes@417 | 59 | #define TSTATE_E 4
|
nkeynes@417 | 60 | #define TSTATE_NE 5
|
nkeynes@417 | 61 | #define TSTATE_G 0xF
|
nkeynes@417 | 62 | #define TSTATE_GE 0xD
|
nkeynes@417 | 63 | #define TSTATE_A 7
|
nkeynes@417 | 64 | #define TSTATE_AE 3
|
nkeynes@417 | 65 |
|
nkeynes@417 | 66 | /** Branch if T is set (either in the current cflags, or in sh4r.t) */
|
nkeynes@417 | 67 | #define JT_rel8(rel8,label) if( sh4_x86.tstate == TSTATE_NONE ) { \
|
nkeynes@417 | 68 | CMP_imm8s_sh4r( 1, R_T ); sh4_x86.tstate = TSTATE_E; } \
|
nkeynes@417 | 69 | OP(0x70+sh4_x86.tstate); OP(rel8); \
|
nkeynes@417 | 70 | MARK_JMP(rel8,label)
|
nkeynes@417 | 71 | /** Branch if T is clear (either in the current cflags or in sh4r.t) */
|
nkeynes@417 | 72 | #define JF_rel8(rel8,label) if( sh4_x86.tstate == TSTATE_NONE ) { \
|
nkeynes@417 | 73 | CMP_imm8s_sh4r( 1, R_T ); sh4_x86.tstate = TSTATE_E; } \
|
nkeynes@417 | 74 | OP(0x70+ (sh4_x86.tstate^1)); OP(rel8); \
|
nkeynes@417 | 75 | MARK_JMP(rel8, label)
|
nkeynes@417 | 76 |
|
nkeynes@417 | 77 |
|
nkeynes@368 | 78 | #define EXIT_DATA_ADDR_READ 0
|
nkeynes@368 | 79 | #define EXIT_DATA_ADDR_WRITE 7
|
nkeynes@368 | 80 | #define EXIT_ILLEGAL 14
|
nkeynes@368 | 81 | #define EXIT_SLOT_ILLEGAL 21
|
nkeynes@368 | 82 | #define EXIT_FPU_DISABLED 28
|
nkeynes@368 | 83 | #define EXIT_SLOT_FPU_DISABLED 35
|
nkeynes@368 | 84 |
|
nkeynes@368 | 85 | static struct sh4_x86_state sh4_x86;
|
nkeynes@368 | 86 |
|
nkeynes@388 | 87 | static uint32_t max_int = 0x7FFFFFFF;
|
nkeynes@388 | 88 | static uint32_t min_int = 0x80000000;
|
nkeynes@394 | 89 | static uint32_t save_fcw; /* save value for fpu control word */
|
nkeynes@394 | 90 | static uint32_t trunc_fcw = 0x0F7F; /* fcw value for truncation mode */
|
nkeynes@386 | 91 |
|
nkeynes@368 | 92 | void sh4_x86_init()
|
nkeynes@368 | 93 | {
|
nkeynes@368 | 94 | sh4_x86.backpatch_list = malloc(DEFAULT_BACKPATCH_SIZE);
|
nkeynes@368 | 95 | sh4_x86.backpatch_size = DEFAULT_BACKPATCH_SIZE / sizeof(uint32_t *);
|
nkeynes@368 | 96 | }
|
nkeynes@368 | 97 |
|
nkeynes@368 | 98 |
|
nkeynes@368 | 99 | static void sh4_x86_add_backpatch( uint8_t *ptr )
|
nkeynes@368 | 100 | {
|
nkeynes@368 | 101 | if( sh4_x86.backpatch_posn == sh4_x86.backpatch_size ) {
|
nkeynes@368 | 102 | sh4_x86.backpatch_size <<= 1;
|
nkeynes@368 | 103 | sh4_x86.backpatch_list = realloc( sh4_x86.backpatch_list, sh4_x86.backpatch_size * sizeof(uint32_t *) );
|
nkeynes@368 | 104 | assert( sh4_x86.backpatch_list != NULL );
|
nkeynes@368 | 105 | }
|
nkeynes@368 | 106 | sh4_x86.backpatch_list[sh4_x86.backpatch_posn++] = (uint32_t *)ptr;
|
nkeynes@368 | 107 | }
|
nkeynes@368 | 108 |
|
nkeynes@368 | 109 | static void sh4_x86_do_backpatch( uint8_t *reloc_base )
|
nkeynes@368 | 110 | {
|
nkeynes@368 | 111 | unsigned int i;
|
nkeynes@368 | 112 | for( i=0; i<sh4_x86.backpatch_posn; i++ ) {
|
nkeynes@374 | 113 | *sh4_x86.backpatch_list[i] += (reloc_base - ((uint8_t *)sh4_x86.backpatch_list[i]) - 4);
|
nkeynes@368 | 114 | }
|
nkeynes@368 | 115 | }
|
nkeynes@368 | 116 |
|
nkeynes@359 | 117 | /**
|
nkeynes@359 | 118 | * Emit an instruction to load an SH4 reg into a real register
|
nkeynes@359 | 119 | */
|
nkeynes@359 | 120 | static inline void load_reg( int x86reg, int sh4reg )
|
nkeynes@359 | 121 | {
|
nkeynes@359 | 122 | /* mov [bp+n], reg */
|
nkeynes@361 | 123 | OP(0x8B);
|
nkeynes@361 | 124 | OP(0x45 + (x86reg<<3));
|
nkeynes@359 | 125 | OP(REG_OFFSET(r[sh4reg]));
|
nkeynes@359 | 126 | }
|
nkeynes@359 | 127 |
|
nkeynes@374 | 128 | static inline void load_reg16s( int x86reg, int sh4reg )
|
nkeynes@368 | 129 | {
|
nkeynes@374 | 130 | OP(0x0F);
|
nkeynes@374 | 131 | OP(0xBF);
|
nkeynes@374 | 132 | MODRM_r32_sh4r(x86reg, REG_OFFSET(r[sh4reg]));
|
nkeynes@368 | 133 | }
|
nkeynes@368 | 134 |
|
nkeynes@374 | 135 | static inline void load_reg16u( int x86reg, int sh4reg )
|
nkeynes@368 | 136 | {
|
nkeynes@374 | 137 | OP(0x0F);
|
nkeynes@374 | 138 | OP(0xB7);
|
nkeynes@374 | 139 | MODRM_r32_sh4r(x86reg, REG_OFFSET(r[sh4reg]));
|
nkeynes@374 | 140 |
|
nkeynes@368 | 141 | }
|
nkeynes@368 | 142 |
|
nkeynes@380 | 143 | #define load_spreg( x86reg, regoff ) MOV_sh4r_r32( regoff, x86reg )
|
nkeynes@380 | 144 | #define store_spreg( x86reg, regoff ) MOV_r32_sh4r( x86reg, regoff )
|
nkeynes@359 | 145 | /**
|
nkeynes@359 | 146 | * Emit an instruction to load an immediate value into a register
|
nkeynes@359 | 147 | */
|
nkeynes@359 | 148 | static inline void load_imm32( int x86reg, uint32_t value ) {
|
nkeynes@359 | 149 | /* mov #value, reg */
|
nkeynes@359 | 150 | OP(0xB8 + x86reg);
|
nkeynes@359 | 151 | OP32(value);
|
nkeynes@359 | 152 | }
|
nkeynes@359 | 153 |
|
nkeynes@359 | 154 | /**
|
nkeynes@527 | 155 | * Load an immediate 64-bit quantity (note: x86-64 only)
|
nkeynes@527 | 156 | */
|
nkeynes@527 | 157 | static inline void load_imm64( int x86reg, uint32_t value ) {
|
nkeynes@527 | 158 | /* mov #value, reg */
|
nkeynes@527 | 159 | REXW();
|
nkeynes@527 | 160 | OP(0xB8 + x86reg);
|
nkeynes@527 | 161 | OP64(value);
|
nkeynes@527 | 162 | }
|
nkeynes@527 | 163 |
|
nkeynes@527 | 164 |
|
nkeynes@527 | 165 | /**
|
nkeynes@359 | 166 | * Emit an instruction to store an SH4 reg (RN)
|
nkeynes@359 | 167 | */
|
nkeynes@359 | 168 | void static inline store_reg( int x86reg, int sh4reg ) {
|
nkeynes@359 | 169 | /* mov reg, [bp+n] */
|
nkeynes@361 | 170 | OP(0x89);
|
nkeynes@361 | 171 | OP(0x45 + (x86reg<<3));
|
nkeynes@359 | 172 | OP(REG_OFFSET(r[sh4reg]));
|
nkeynes@359 | 173 | }
|
nkeynes@374 | 174 |
|
nkeynes@374 | 175 | #define load_fr_bank(bankreg) load_spreg( bankreg, REG_OFFSET(fr_bank))
|
nkeynes@374 | 176 |
|
nkeynes@375 | 177 | /**
|
nkeynes@375 | 178 | * Load an FR register (single-precision floating point) into an integer x86
|
nkeynes@375 | 179 | * register (eg for register-to-register moves)
|
nkeynes@375 | 180 | */
|
nkeynes@375 | 181 | void static inline load_fr( int bankreg, int x86reg, int frm )
|
nkeynes@375 | 182 | {
|
nkeynes@375 | 183 | OP(0x8B); OP(0x40+bankreg+(x86reg<<3)); OP((frm^1)<<2);
|
nkeynes@375 | 184 | }
|
nkeynes@375 | 185 |
|
nkeynes@375 | 186 | /**
|
nkeynes@375 | 187 | * Store an FR register (single-precision floating point) into an integer x86
|
nkeynes@375 | 188 | * register (eg for register-to-register moves)
|
nkeynes@375 | 189 | */
|
nkeynes@375 | 190 | void static inline store_fr( int bankreg, int x86reg, int frn )
|
nkeynes@375 | 191 | {
|
nkeynes@375 | 192 | OP(0x89); OP(0x40+bankreg+(x86reg<<3)); OP((frn^1)<<2);
|
nkeynes@375 | 193 | }
|
nkeynes@375 | 194 |
|
nkeynes@375 | 195 |
|
nkeynes@375 | 196 | /**
|
nkeynes@375 | 197 | * Load a pointer to the back fp back into the specified x86 register. The
|
nkeynes@375 | 198 | * bankreg must have been previously loaded with FPSCR.
|
nkeynes@388 | 199 | * NB: 12 bytes
|
nkeynes@375 | 200 | */
|
nkeynes@374 | 201 | static inline void load_xf_bank( int bankreg )
|
nkeynes@374 | 202 | {
|
nkeynes@386 | 203 | NOT_r32( bankreg );
|
nkeynes@374 | 204 | SHR_imm8_r32( (21 - 6), bankreg ); // Extract bit 21 then *64 for bank size
|
nkeynes@374 | 205 | AND_imm8s_r32( 0x40, bankreg ); // Complete extraction
|
nkeynes@374 | 206 | OP(0x8D); OP(0x44+(bankreg<<3)); OP(0x28+bankreg); OP(REG_OFFSET(fr)); // LEA [ebp+bankreg+disp], bankreg
|
nkeynes@374 | 207 | }
|
nkeynes@374 | 208 |
|
nkeynes@375 | 209 | /**
|
nkeynes@386 | 210 | * Update the fr_bank pointer based on the current fpscr value.
|
nkeynes@386 | 211 | */
|
nkeynes@386 | 212 | static inline void update_fr_bank( int fpscrreg )
|
nkeynes@386 | 213 | {
|
nkeynes@386 | 214 | SHR_imm8_r32( (21 - 6), fpscrreg ); // Extract bit 21 then *64 for bank size
|
nkeynes@386 | 215 | AND_imm8s_r32( 0x40, fpscrreg ); // Complete extraction
|
nkeynes@386 | 216 | OP(0x8D); OP(0x44+(fpscrreg<<3)); OP(0x28+fpscrreg); OP(REG_OFFSET(fr)); // LEA [ebp+fpscrreg+disp], fpscrreg
|
nkeynes@386 | 217 | store_spreg( fpscrreg, REG_OFFSET(fr_bank) );
|
nkeynes@386 | 218 | }
|
nkeynes@386 | 219 | /**
|
nkeynes@377 | 220 | * Push FPUL (as a 32-bit float) onto the FPU stack
|
nkeynes@377 | 221 | */
|
nkeynes@377 | 222 | static inline void push_fpul( )
|
nkeynes@377 | 223 | {
|
nkeynes@377 | 224 | OP(0xD9); OP(0x45); OP(R_FPUL);
|
nkeynes@377 | 225 | }
|
nkeynes@377 | 226 |
|
nkeynes@377 | 227 | /**
|
nkeynes@377 | 228 | * Pop FPUL (as a 32-bit float) from the FPU stack
|
nkeynes@377 | 229 | */
|
nkeynes@377 | 230 | static inline void pop_fpul( )
|
nkeynes@377 | 231 | {
|
nkeynes@377 | 232 | OP(0xD9); OP(0x5D); OP(R_FPUL);
|
nkeynes@377 | 233 | }
|
nkeynes@377 | 234 |
|
nkeynes@377 | 235 | /**
|
nkeynes@375 | 236 | * Push a 32-bit float onto the FPU stack, with bankreg previously loaded
|
nkeynes@375 | 237 | * with the location of the current fp bank.
|
nkeynes@375 | 238 | */
|
nkeynes@374 | 239 | static inline void push_fr( int bankreg, int frm )
|
nkeynes@374 | 240 | {
|
nkeynes@374 | 241 | OP(0xD9); OP(0x40 + bankreg); OP((frm^1)<<2); // FLD.S [bankreg + frm^1*4]
|
nkeynes@374 | 242 | }
|
nkeynes@374 | 243 |
|
nkeynes@375 | 244 | /**
|
nkeynes@375 | 245 | * Pop a 32-bit float from the FPU stack and store it back into the fp bank,
|
nkeynes@375 | 246 | * with bankreg previously loaded with the location of the current fp bank.
|
nkeynes@375 | 247 | */
|
nkeynes@374 | 248 | static inline void pop_fr( int bankreg, int frm )
|
nkeynes@374 | 249 | {
|
nkeynes@374 | 250 | OP(0xD9); OP(0x58 + bankreg); OP((frm^1)<<2); // FST.S [bankreg + frm^1*4]
|
nkeynes@374 | 251 | }
|
nkeynes@374 | 252 |
|
nkeynes@375 | 253 | /**
|
nkeynes@375 | 254 | * Push a 64-bit double onto the FPU stack, with bankreg previously loaded
|
nkeynes@375 | 255 | * with the location of the current fp bank.
|
nkeynes@375 | 256 | */
|
nkeynes@374 | 257 | static inline void push_dr( int bankreg, int frm )
|
nkeynes@374 | 258 | {
|
nkeynes@377 | 259 | OP(0xDD); OP(0x40 + bankreg); OP(frm<<2); // FLD.D [bankreg + frm*4]
|
nkeynes@374 | 260 | }
|
nkeynes@374 | 261 |
|
nkeynes@374 | 262 | static inline void pop_dr( int bankreg, int frm )
|
nkeynes@374 | 263 | {
|
nkeynes@377 | 264 | OP(0xDD); OP(0x58 + bankreg); OP(frm<<2); // FST.D [bankreg + frm*4]
|
nkeynes@374 | 265 | }
|
nkeynes@374 | 266 |
|
nkeynes@527 | 267 | #if SH4_TRANSLATOR == TARGET_X86_64
|
nkeynes@527 | 268 | /* X86-64 has different calling conventions... */
|
nkeynes@532 | 269 |
|
nkeynes@532 | 270 | #define load_ptr( reg, ptr ) load_imm64( reg, (uint64_t)ptr );
|
nkeynes@532 | 271 |
|
nkeynes@527 | 272 | /**
|
nkeynes@527 | 273 | * Note: clobbers EAX to make the indirect call - this isn't usually
|
nkeynes@527 | 274 | * a problem since the callee will usually clobber it anyway.
|
nkeynes@527 | 275 | * Size: 12 bytes
|
nkeynes@527 | 276 | */
|
nkeynes@527 | 277 | #define CALL_FUNC0_SIZE 12
|
nkeynes@527 | 278 | static inline void call_func0( void *ptr )
|
nkeynes@527 | 279 | {
|
nkeynes@527 | 280 | load_imm64(R_EAX, (uint64_t)ptr);
|
nkeynes@527 | 281 | CALL_r32(R_EAX);
|
nkeynes@527 | 282 | }
|
nkeynes@527 | 283 |
|
nkeynes@527 | 284 | #define CALL_FUNC1_SIZE 14
|
nkeynes@527 | 285 | static inline void call_func1( void *ptr, int arg1 )
|
nkeynes@527 | 286 | {
|
nkeynes@527 | 287 | MOV_r32_r32(arg1, R_EDI);
|
nkeynes@527 | 288 | call_func0(ptr);
|
nkeynes@527 | 289 | }
|
nkeynes@527 | 290 |
|
nkeynes@527 | 291 | #define CALL_FUNC2_SIZE 16
|
nkeynes@527 | 292 | static inline void call_func2( void *ptr, int arg1, int arg2 )
|
nkeynes@527 | 293 | {
|
nkeynes@527 | 294 | MOV_r32_r32(arg1, R_EDI);
|
nkeynes@527 | 295 | MOV_r32_r32(arg2, R_ESI);
|
nkeynes@527 | 296 | call_func0(ptr);
|
nkeynes@527 | 297 | }
|
nkeynes@527 | 298 |
|
nkeynes@527 | 299 | #define MEM_WRITE_DOUBLE_SIZE 39
|
nkeynes@527 | 300 | /**
|
nkeynes@527 | 301 | * Write a double (64-bit) value into memory, with the first word in arg2a, and
|
nkeynes@527 | 302 | * the second in arg2b
|
nkeynes@527 | 303 | */
|
nkeynes@527 | 304 | static inline void MEM_WRITE_DOUBLE( int addr, int arg2a, int arg2b )
|
nkeynes@527 | 305 | {
|
nkeynes@527 | 306 | /*
|
nkeynes@527 | 307 | MOV_r32_r32( addr, R_EDI );
|
nkeynes@527 | 308 | MOV_r32_r32( arg2b, R_ESI );
|
nkeynes@527 | 309 | REXW(); SHL_imm8_r32( 32, R_ESI );
|
nkeynes@527 | 310 | REXW(); MOVZX_r16_r32( arg2a, arg2a );
|
nkeynes@527 | 311 | REXW(); OR_r32_r32( arg2a, R_ESI );
|
nkeynes@527 | 312 | call_func0(sh4_write_quad);
|
nkeynes@527 | 313 | */
|
nkeynes@527 | 314 | PUSH_r32(arg2b);
|
nkeynes@527 | 315 | PUSH_r32(addr);
|
nkeynes@527 | 316 | call_func2(sh4_write_long, addr, arg2a);
|
nkeynes@527 | 317 | POP_r32(addr);
|
nkeynes@527 | 318 | POP_r32(arg2b);
|
nkeynes@527 | 319 | ADD_imm8s_r32(4, addr);
|
nkeynes@527 | 320 | call_func2(sh4_write_long, addr, arg2b);
|
nkeynes@527 | 321 | }
|
nkeynes@527 | 322 |
|
nkeynes@527 | 323 | #define MEM_READ_DOUBLE_SIZE 35
|
nkeynes@527 | 324 | /**
|
nkeynes@527 | 325 | * Read a double (64-bit) value from memory, writing the first word into arg2a
|
nkeynes@527 | 326 | * and the second into arg2b. The addr must not be in EAX
|
nkeynes@527 | 327 | */
|
nkeynes@527 | 328 | static inline void MEM_READ_DOUBLE( int addr, int arg2a, int arg2b )
|
nkeynes@527 | 329 | {
|
nkeynes@527 | 330 | /*
|
nkeynes@527 | 331 | MOV_r32_r32( addr, R_EDI );
|
nkeynes@527 | 332 | call_func0(sh4_read_quad);
|
nkeynes@527 | 333 | REXW(); MOV_r32_r32( R_EAX, arg2a );
|
nkeynes@527 | 334 | REXW(); MOV_r32_r32( R_EAX, arg2b );
|
nkeynes@527 | 335 | REXW(); SHR_imm8_r32( 32, arg2b );
|
nkeynes@527 | 336 | */
|
nkeynes@527 | 337 | PUSH_r32(addr);
|
nkeynes@527 | 338 | call_func1(sh4_read_long, addr);
|
nkeynes@527 | 339 | POP_r32(R_EDI);
|
nkeynes@527 | 340 | PUSH_r32(R_EAX);
|
nkeynes@527 | 341 | ADD_imm8s_r32(4, R_EDI);
|
nkeynes@527 | 342 | call_func0(sh4_read_long);
|
nkeynes@527 | 343 | MOV_r32_r32(R_EAX, arg2b);
|
nkeynes@527 | 344 | POP_r32(arg2a);
|
nkeynes@527 | 345 | }
|
nkeynes@527 | 346 |
|
nkeynes@527 | 347 | #define EXIT_BLOCK_SIZE 35
|
nkeynes@527 | 348 | /**
|
nkeynes@527 | 349 | * Exit the block to an absolute PC
|
nkeynes@527 | 350 | */
|
nkeynes@527 | 351 | void exit_block( sh4addr_t pc, sh4addr_t endpc )
|
nkeynes@527 | 352 | {
|
nkeynes@527 | 353 | load_imm32( R_ECX, pc ); // 5
|
nkeynes@527 | 354 | store_spreg( R_ECX, REG_OFFSET(pc) ); // 3
|
nkeynes@527 | 355 | REXW(); MOV_moff32_EAX( xlat_get_lut_entry(pc) );
|
nkeynes@527 | 356 | REXW(); AND_imm8s_r32( 0xFC, R_EAX ); // 3
|
nkeynes@527 | 357 | load_imm32( R_ECX, ((endpc - sh4_x86.block_start_pc)>>1)*sh4_cpu_period ); // 5
|
nkeynes@527 | 358 | ADD_r32_sh4r( R_ECX, REG_OFFSET(slice_cycle) ); // 6
|
nkeynes@527 | 359 | POP_r32(R_EBP);
|
nkeynes@527 | 360 | RET();
|
nkeynes@527 | 361 | }
|
nkeynes@527 | 362 |
|
nkeynes@527 | 363 |
|
nkeynes@527 | 364 | /**
|
nkeynes@527 | 365 | * Write the block trailer (exception handling block)
|
nkeynes@527 | 366 | */
|
nkeynes@527 | 367 | void sh4_translate_end_block( sh4addr_t pc ) {
|
nkeynes@527 | 368 | if( sh4_x86.branch_taken == FALSE ) {
|
nkeynes@527 | 369 | // Didn't exit unconditionally already, so write the termination here
|
nkeynes@527 | 370 | exit_block( pc, pc );
|
nkeynes@527 | 371 | }
|
nkeynes@527 | 372 | if( sh4_x86.backpatch_posn != 0 ) {
|
nkeynes@527 | 373 | uint8_t *end_ptr = xlat_output;
|
nkeynes@527 | 374 | // Exception termination. Jump block for various exception codes:
|
nkeynes@527 | 375 | load_imm32( R_EDI, EXC_DATA_ADDR_READ );
|
nkeynes@527 | 376 | JMP_rel8( 33, target1 );
|
nkeynes@527 | 377 | load_imm32( R_EDI, EXC_DATA_ADDR_WRITE );
|
nkeynes@527 | 378 | JMP_rel8( 26, target2 );
|
nkeynes@527 | 379 | load_imm32( R_EDI, EXC_ILLEGAL );
|
nkeynes@527 | 380 | JMP_rel8( 19, target3 );
|
nkeynes@527 | 381 | load_imm32( R_EDI, EXC_SLOT_ILLEGAL );
|
nkeynes@527 | 382 | JMP_rel8( 12, target4 );
|
nkeynes@527 | 383 | load_imm32( R_EDI, EXC_FPU_DISABLED );
|
nkeynes@527 | 384 | JMP_rel8( 5, target5 );
|
nkeynes@527 | 385 | load_imm32( R_EDI, EXC_SLOT_FPU_DISABLED );
|
nkeynes@527 | 386 | // target
|
nkeynes@527 | 387 | JMP_TARGET(target1);
|
nkeynes@527 | 388 | JMP_TARGET(target2);
|
nkeynes@527 | 389 | JMP_TARGET(target3);
|
nkeynes@527 | 390 | JMP_TARGET(target4);
|
nkeynes@527 | 391 | JMP_TARGET(target5);
|
nkeynes@527 | 392 | // Raise exception
|
nkeynes@527 | 393 | load_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@527 | 394 | ADD_r32_r32( R_EDX, R_ECX );
|
nkeynes@527 | 395 | ADD_r32_r32( R_EDX, R_ECX );
|
nkeynes@527 | 396 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@527 | 397 | MOV_moff32_EAX( &sh4_cpu_period );
|
nkeynes@527 | 398 | MUL_r32( R_EDX );
|
nkeynes@527 | 399 | ADD_r32_sh4r( R_EAX, REG_OFFSET(slice_cycle) );
|
nkeynes@527 | 400 |
|
nkeynes@527 | 401 | call_func0( sh4_raise_exception );
|
nkeynes@527 | 402 | load_spreg( R_EAX, REG_OFFSET(pc) );
|
nkeynes@527 | 403 | call_func1(xlat_get_code,R_EAX);
|
nkeynes@527 | 404 | POP_r32(R_EBP);
|
nkeynes@527 | 405 | RET();
|
nkeynes@527 | 406 |
|
nkeynes@527 | 407 | sh4_x86_do_backpatch( end_ptr );
|
nkeynes@527 | 408 | }
|
nkeynes@527 | 409 | }
|
nkeynes@527 | 410 |
|
nkeynes@527 | 411 | #else /* SH4_TRANSLATOR == TARGET_X86 */
|
nkeynes@527 | 412 |
|
nkeynes@532 | 413 | #define load_ptr( reg, ptr ) load_imm32( reg, (uint32_t)ptr );
|
nkeynes@532 | 414 |
|
nkeynes@361 | 415 | /**
|
nkeynes@361 | 416 | * Note: clobbers EAX to make the indirect call - this isn't usually
|
nkeynes@361 | 417 | * a problem since the callee will usually clobber it anyway.
|
nkeynes@361 | 418 | */
|
nkeynes@527 | 419 | #define CALL_FUNC0_SIZE 7
|
nkeynes@361 | 420 | static inline void call_func0( void *ptr )
|
nkeynes@361 | 421 | {
|
nkeynes@361 | 422 | load_imm32(R_EAX, (uint32_t)ptr);
|
nkeynes@368 | 423 | CALL_r32(R_EAX);
|
nkeynes@361 | 424 | }
|
nkeynes@361 | 425 |
|
nkeynes@527 | 426 | #define CALL_FUNC1_SIZE 11
|
nkeynes@361 | 427 | static inline void call_func1( void *ptr, int arg1 )
|
nkeynes@361 | 428 | {
|
nkeynes@361 | 429 | PUSH_r32(arg1);
|
nkeynes@361 | 430 | call_func0(ptr);
|
nkeynes@377 | 431 | ADD_imm8s_r32( 4, R_ESP );
|
nkeynes@361 | 432 | }
|
nkeynes@361 | 433 |
|
nkeynes@527 | 434 | #define CALL_FUNC2_SIZE 12
|
nkeynes@361 | 435 | static inline void call_func2( void *ptr, int arg1, int arg2 )
|
nkeynes@361 | 436 | {
|
nkeynes@361 | 437 | PUSH_r32(arg2);
|
nkeynes@361 | 438 | PUSH_r32(arg1);
|
nkeynes@361 | 439 | call_func0(ptr);
|
nkeynes@377 | 440 | ADD_imm8s_r32( 8, R_ESP );
|
nkeynes@375 | 441 | }
|
nkeynes@375 | 442 |
|
nkeynes@375 | 443 | /**
|
nkeynes@375 | 444 | * Write a double (64-bit) value into memory, with the first word in arg2a, and
|
nkeynes@375 | 445 | * the second in arg2b
|
nkeynes@375 | 446 | * NB: 30 bytes
|
nkeynes@375 | 447 | */
|
nkeynes@527 | 448 | #define MEM_WRITE_DOUBLE_SIZE 30
|
nkeynes@375 | 449 | static inline void MEM_WRITE_DOUBLE( int addr, int arg2a, int arg2b )
|
nkeynes@375 | 450 | {
|
nkeynes@375 | 451 | ADD_imm8s_r32( 4, addr );
|
nkeynes@386 | 452 | PUSH_r32(arg2b);
|
nkeynes@375 | 453 | PUSH_r32(addr);
|
nkeynes@375 | 454 | ADD_imm8s_r32( -4, addr );
|
nkeynes@386 | 455 | PUSH_r32(arg2a);
|
nkeynes@375 | 456 | PUSH_r32(addr);
|
nkeynes@375 | 457 | call_func0(sh4_write_long);
|
nkeynes@377 | 458 | ADD_imm8s_r32( 8, R_ESP );
|
nkeynes@375 | 459 | call_func0(sh4_write_long);
|
nkeynes@377 | 460 | ADD_imm8s_r32( 8, R_ESP );
|
nkeynes@375 | 461 | }
|
nkeynes@375 | 462 |
|
nkeynes@375 | 463 | /**
|
nkeynes@375 | 464 | * Read a double (64-bit) value from memory, writing the first word into arg2a
|
nkeynes@375 | 465 | * and the second into arg2b. The addr must not be in EAX
|
nkeynes@375 | 466 | * NB: 27 bytes
|
nkeynes@375 | 467 | */
|
nkeynes@527 | 468 | #define MEM_READ_DOUBLE_SIZE 27
|
nkeynes@375 | 469 | static inline void MEM_READ_DOUBLE( int addr, int arg2a, int arg2b )
|
nkeynes@375 | 470 | {
|
nkeynes@375 | 471 | PUSH_r32(addr);
|
nkeynes@375 | 472 | call_func0(sh4_read_long);
|
nkeynes@375 | 473 | POP_r32(addr);
|
nkeynes@375 | 474 | PUSH_r32(R_EAX);
|
nkeynes@375 | 475 | ADD_imm8s_r32( 4, addr );
|
nkeynes@375 | 476 | PUSH_r32(addr);
|
nkeynes@375 | 477 | call_func0(sh4_read_long);
|
nkeynes@377 | 478 | ADD_imm8s_r32( 4, R_ESP );
|
nkeynes@375 | 479 | MOV_r32_r32( R_EAX, arg2b );
|
nkeynes@375 | 480 | POP_r32(arg2a);
|
nkeynes@361 | 481 | }
|
nkeynes@361 | 482 |
|
nkeynes@527 | 483 | #define EXIT_BLOCK_SIZE 29
|
nkeynes@527 | 484 | /**
|
nkeynes@527 | 485 | * Exit the block to an absolute PC
|
nkeynes@527 | 486 | */
|
nkeynes@527 | 487 | void exit_block( sh4addr_t pc, sh4addr_t endpc )
|
nkeynes@527 | 488 | {
|
nkeynes@527 | 489 | load_imm32( R_ECX, pc ); // 5
|
nkeynes@527 | 490 | store_spreg( R_ECX, REG_OFFSET(pc) ); // 3
|
nkeynes@527 | 491 | MOV_moff32_EAX( xlat_get_lut_entry(pc) ); // 5
|
nkeynes@527 | 492 | AND_imm8s_r32( 0xFC, R_EAX ); // 3
|
nkeynes@527 | 493 | load_imm32( R_ECX, ((endpc - sh4_x86.block_start_pc)>>1)*sh4_cpu_period ); // 5
|
nkeynes@527 | 494 | ADD_r32_sh4r( R_ECX, REG_OFFSET(slice_cycle) ); // 6
|
nkeynes@527 | 495 | POP_r32(R_EBP);
|
nkeynes@527 | 496 | RET();
|
nkeynes@527 | 497 | }
|
nkeynes@527 | 498 |
|
nkeynes@527 | 499 | /**
|
nkeynes@527 | 500 | * Write the block trailer (exception handling block)
|
nkeynes@527 | 501 | */
|
nkeynes@527 | 502 | void sh4_translate_end_block( sh4addr_t pc ) {
|
nkeynes@527 | 503 | if( sh4_x86.branch_taken == FALSE ) {
|
nkeynes@527 | 504 | // Didn't exit unconditionally already, so write the termination here
|
nkeynes@527 | 505 | exit_block( pc, pc );
|
nkeynes@527 | 506 | }
|
nkeynes@527 | 507 | if( sh4_x86.backpatch_posn != 0 ) {
|
nkeynes@527 | 508 | uint8_t *end_ptr = xlat_output;
|
nkeynes@527 | 509 | // Exception termination. Jump block for various exception codes:
|
nkeynes@527 | 510 | PUSH_imm32( EXC_DATA_ADDR_READ );
|
nkeynes@527 | 511 | JMP_rel8( 33, target1 );
|
nkeynes@527 | 512 | PUSH_imm32( EXC_DATA_ADDR_WRITE );
|
nkeynes@527 | 513 | JMP_rel8( 26, target2 );
|
nkeynes@527 | 514 | PUSH_imm32( EXC_ILLEGAL );
|
nkeynes@527 | 515 | JMP_rel8( 19, target3 );
|
nkeynes@527 | 516 | PUSH_imm32( EXC_SLOT_ILLEGAL );
|
nkeynes@527 | 517 | JMP_rel8( 12, target4 );
|
nkeynes@527 | 518 | PUSH_imm32( EXC_FPU_DISABLED );
|
nkeynes@527 | 519 | JMP_rel8( 5, target5 );
|
nkeynes@527 | 520 | PUSH_imm32( EXC_SLOT_FPU_DISABLED );
|
nkeynes@527 | 521 | // target
|
nkeynes@527 | 522 | JMP_TARGET(target1);
|
nkeynes@527 | 523 | JMP_TARGET(target2);
|
nkeynes@527 | 524 | JMP_TARGET(target3);
|
nkeynes@527 | 525 | JMP_TARGET(target4);
|
nkeynes@527 | 526 | JMP_TARGET(target5);
|
nkeynes@527 | 527 | // Raise exception
|
nkeynes@527 | 528 | load_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@527 | 529 | ADD_r32_r32( R_EDX, R_ECX );
|
nkeynes@527 | 530 | ADD_r32_r32( R_EDX, R_ECX );
|
nkeynes@527 | 531 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@527 | 532 | MOV_moff32_EAX( &sh4_cpu_period );
|
nkeynes@527 | 533 | MUL_r32( R_EDX );
|
nkeynes@527 | 534 | ADD_r32_sh4r( R_EAX, REG_OFFSET(slice_cycle) );
|
nkeynes@527 | 535 |
|
nkeynes@527 | 536 | call_func0( sh4_raise_exception );
|
nkeynes@527 | 537 | ADD_imm8s_r32( 4, R_ESP );
|
nkeynes@527 | 538 | load_spreg( R_EAX, REG_OFFSET(pc) );
|
nkeynes@527 | 539 | call_func1(xlat_get_code,R_EAX);
|
nkeynes@527 | 540 | POP_r32(R_EBP);
|
nkeynes@527 | 541 | RET();
|
nkeynes@527 | 542 |
|
nkeynes@527 | 543 | sh4_x86_do_backpatch( end_ptr );
|
nkeynes@527 | 544 | }
|
nkeynes@527 | 545 | }
|
nkeynes@527 | 546 | #endif
|
nkeynes@527 | 547 |
|
nkeynes@368 | 548 | /* Exception checks - Note that all exception checks will clobber EAX */
|
nkeynes@416 | 549 | #define precheck() load_imm32(R_EDX, (pc-sh4_x86.block_start_pc-(sh4_x86.in_delay_slot?2:0))>>1)
|
nkeynes@416 | 550 |
|
nkeynes@416 | 551 | #define check_priv( ) \
|
nkeynes@416 | 552 | if( !sh4_x86.priv_checked ) { \
|
nkeynes@416 | 553 | sh4_x86.priv_checked = TRUE;\
|
nkeynes@416 | 554 | precheck();\
|
nkeynes@416 | 555 | load_spreg( R_EAX, R_SR );\
|
nkeynes@416 | 556 | AND_imm32_r32( SR_MD, R_EAX );\
|
nkeynes@416 | 557 | if( sh4_x86.in_delay_slot ) {\
|
nkeynes@416 | 558 | JE_exit( EXIT_SLOT_ILLEGAL );\
|
nkeynes@416 | 559 | } else {\
|
nkeynes@416 | 560 | JE_exit( EXIT_ILLEGAL );\
|
nkeynes@416 | 561 | }\
|
nkeynes@416 | 562 | }\
|
nkeynes@416 | 563 |
|
nkeynes@416 | 564 |
|
nkeynes@416 | 565 | static void check_priv_no_precheck()
|
nkeynes@368 | 566 | {
|
nkeynes@368 | 567 | if( !sh4_x86.priv_checked ) {
|
nkeynes@368 | 568 | sh4_x86.priv_checked = TRUE;
|
nkeynes@368 | 569 | load_spreg( R_EAX, R_SR );
|
nkeynes@368 | 570 | AND_imm32_r32( SR_MD, R_EAX );
|
nkeynes@368 | 571 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@368 | 572 | JE_exit( EXIT_SLOT_ILLEGAL );
|
nkeynes@368 | 573 | } else {
|
nkeynes@368 | 574 | JE_exit( EXIT_ILLEGAL );
|
nkeynes@368 | 575 | }
|
nkeynes@368 | 576 | }
|
nkeynes@368 | 577 | }
|
nkeynes@368 | 578 |
|
nkeynes@416 | 579 | #define check_fpuen( ) \
|
nkeynes@416 | 580 | if( !sh4_x86.fpuen_checked ) {\
|
nkeynes@416 | 581 | sh4_x86.fpuen_checked = TRUE;\
|
nkeynes@416 | 582 | precheck();\
|
nkeynes@416 | 583 | load_spreg( R_EAX, R_SR );\
|
nkeynes@416 | 584 | AND_imm32_r32( SR_FD, R_EAX );\
|
nkeynes@416 | 585 | if( sh4_x86.in_delay_slot ) {\
|
nkeynes@416 | 586 | JNE_exit(EXIT_SLOT_FPU_DISABLED);\
|
nkeynes@416 | 587 | } else {\
|
nkeynes@416 | 588 | JNE_exit(EXIT_FPU_DISABLED);\
|
nkeynes@416 | 589 | }\
|
nkeynes@416 | 590 | }
|
nkeynes@416 | 591 |
|
nkeynes@416 | 592 | static void check_fpuen_no_precheck()
|
nkeynes@368 | 593 | {
|
nkeynes@368 | 594 | if( !sh4_x86.fpuen_checked ) {
|
nkeynes@368 | 595 | sh4_x86.fpuen_checked = TRUE;
|
nkeynes@368 | 596 | load_spreg( R_EAX, R_SR );
|
nkeynes@368 | 597 | AND_imm32_r32( SR_FD, R_EAX );
|
nkeynes@368 | 598 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@368 | 599 | JNE_exit(EXIT_SLOT_FPU_DISABLED);
|
nkeynes@368 | 600 | } else {
|
nkeynes@368 | 601 | JNE_exit(EXIT_FPU_DISABLED);
|
nkeynes@368 | 602 | }
|
nkeynes@368 | 603 | }
|
nkeynes@416 | 604 |
|
nkeynes@368 | 605 | }
|
nkeynes@368 | 606 |
|
nkeynes@368 | 607 | static void check_ralign16( int x86reg )
|
nkeynes@368 | 608 | {
|
nkeynes@368 | 609 | TEST_imm32_r32( 0x00000001, x86reg );
|
nkeynes@368 | 610 | JNE_exit(EXIT_DATA_ADDR_READ);
|
nkeynes@368 | 611 | }
|
nkeynes@368 | 612 |
|
nkeynes@368 | 613 | static void check_walign16( int x86reg )
|
nkeynes@368 | 614 | {
|
nkeynes@368 | 615 | TEST_imm32_r32( 0x00000001, x86reg );
|
nkeynes@368 | 616 | JNE_exit(EXIT_DATA_ADDR_WRITE);
|
nkeynes@368 | 617 | }
|
nkeynes@368 | 618 |
|
nkeynes@368 | 619 | static void check_ralign32( int x86reg )
|
nkeynes@368 | 620 | {
|
nkeynes@368 | 621 | TEST_imm32_r32( 0x00000003, x86reg );
|
nkeynes@368 | 622 | JNE_exit(EXIT_DATA_ADDR_READ);
|
nkeynes@368 | 623 | }
|
nkeynes@368 | 624 | static void check_walign32( int x86reg )
|
nkeynes@368 | 625 | {
|
nkeynes@368 | 626 | TEST_imm32_r32( 0x00000003, x86reg );
|
nkeynes@368 | 627 | JNE_exit(EXIT_DATA_ADDR_WRITE);
|
nkeynes@368 | 628 | }
|
nkeynes@368 | 629 |
|
nkeynes@361 | 630 | #define UNDEF()
|
nkeynes@361 | 631 | #define MEM_RESULT(value_reg) if(value_reg != R_EAX) { MOV_r32_r32(R_EAX,value_reg); }
|
nkeynes@361 | 632 | #define MEM_READ_BYTE( addr_reg, value_reg ) call_func1(sh4_read_byte, addr_reg ); MEM_RESULT(value_reg)
|
nkeynes@361 | 633 | #define MEM_READ_WORD( addr_reg, value_reg ) call_func1(sh4_read_word, addr_reg ); MEM_RESULT(value_reg)
|
nkeynes@361 | 634 | #define MEM_READ_LONG( addr_reg, value_reg ) call_func1(sh4_read_long, addr_reg ); MEM_RESULT(value_reg)
|
nkeynes@361 | 635 | #define MEM_WRITE_BYTE( addr_reg, value_reg ) call_func2(sh4_write_byte, addr_reg, value_reg)
|
nkeynes@361 | 636 | #define MEM_WRITE_WORD( addr_reg, value_reg ) call_func2(sh4_write_word, addr_reg, value_reg)
|
nkeynes@361 | 637 | #define MEM_WRITE_LONG( addr_reg, value_reg ) call_func2(sh4_write_long, addr_reg, value_reg)
|
nkeynes@361 | 638 |
|
nkeynes@416 | 639 | #define SLOTILLEGAL() precheck(); JMP_exit(EXIT_SLOT_ILLEGAL); sh4_x86.in_delay_slot = FALSE; return 1;
|
nkeynes@368 | 640 |
|
nkeynes@368 | 641 |
|
nkeynes@359 | 642 |
|
nkeynes@359 | 643 | /**
|
nkeynes@359 | 644 | * Emit the 'start of block' assembly. Sets up the stack frame and save
|
nkeynes@359 | 645 | * SI/DI as required
|
nkeynes@359 | 646 | */
|
nkeynes@408 | 647 | void sh4_translate_begin_block( sh4addr_t pc )
|
nkeynes@368 | 648 | {
|
nkeynes@368 | 649 | PUSH_r32(R_EBP);
|
nkeynes@359 | 650 | /* mov &sh4r, ebp */
|
nkeynes@532 | 651 | load_ptr( R_EBP, &sh4r );
|
nkeynes@368 | 652 |
|
nkeynes@368 | 653 | sh4_x86.in_delay_slot = FALSE;
|
nkeynes@368 | 654 | sh4_x86.priv_checked = FALSE;
|
nkeynes@368 | 655 | sh4_x86.fpuen_checked = FALSE;
|
nkeynes@409 | 656 | sh4_x86.branch_taken = FALSE;
|
nkeynes@368 | 657 | sh4_x86.backpatch_posn = 0;
|
nkeynes@408 | 658 | sh4_x86.block_start_pc = pc;
|
nkeynes@417 | 659 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@368 | 660 | }
|
nkeynes@359 | 661 |
|
nkeynes@368 | 662 | /**
|
nkeynes@408 | 663 | * Exit the block with sh4r.pc already written
|
nkeynes@416 | 664 | * Bytes: 15
|
nkeynes@408 | 665 | */
|
nkeynes@408 | 666 | void exit_block_pcset( pc )
|
nkeynes@408 | 667 | {
|
nkeynes@408 | 668 | load_imm32( R_ECX, ((pc - sh4_x86.block_start_pc)>>1)*sh4_cpu_period ); // 5
|
nkeynes@408 | 669 | ADD_r32_sh4r( R_ECX, REG_OFFSET(slice_cycle) ); // 6
|
nkeynes@417 | 670 | load_spreg( R_EAX, REG_OFFSET(pc) );
|
nkeynes@417 | 671 | call_func1(xlat_get_code,R_EAX);
|
nkeynes@408 | 672 | POP_r32(R_EBP);
|
nkeynes@408 | 673 | RET();
|
nkeynes@408 | 674 | }
|
nkeynes@408 | 675 |
|
nkeynes@388 | 676 | extern uint16_t *sh4_icache;
|
nkeynes@388 | 677 | extern uint32_t sh4_icache_addr;
|
nkeynes@388 | 678 |
|
nkeynes@359 | 679 | /**
|
nkeynes@359 | 680 | * Translate a single instruction. Delayed branches are handled specially
|
nkeynes@359 | 681 | * by translating both branch and delayed instruction as a single unit (as
|
nkeynes@359 | 682 | *
|
nkeynes@359 | 683 | *
|
nkeynes@359 | 684 | * @return true if the instruction marks the end of a basic block
|
nkeynes@359 | 685 | * (eg a branch or
|
nkeynes@359 | 686 | */
|
nkeynes@526 | 687 | uint32_t sh4_translate_instruction( sh4addr_t pc )
|
nkeynes@359 | 688 | {
|
nkeynes@388 | 689 | uint32_t ir;
|
nkeynes@388 | 690 | /* Read instruction */
|
nkeynes@388 | 691 | uint32_t pageaddr = pc >> 12;
|
nkeynes@388 | 692 | if( sh4_icache != NULL && pageaddr == sh4_icache_addr ) {
|
nkeynes@388 | 693 | ir = sh4_icache[(pc&0xFFF)>>1];
|
nkeynes@388 | 694 | } else {
|
nkeynes@388 | 695 | sh4_icache = (uint16_t *)mem_get_page(pc);
|
nkeynes@527 | 696 | if( ((uintptr_t)sh4_icache) < MAX_IO_REGIONS ) {
|
nkeynes@388 | 697 | /* If someone's actually been so daft as to try to execute out of an IO
|
nkeynes@388 | 698 | * region, fallback on the full-blown memory read
|
nkeynes@388 | 699 | */
|
nkeynes@388 | 700 | sh4_icache = NULL;
|
nkeynes@388 | 701 | ir = sh4_read_word(pc);
|
nkeynes@388 | 702 | } else {
|
nkeynes@388 | 703 | sh4_icache_addr = pageaddr;
|
nkeynes@388 | 704 | ir = sh4_icache[(pc&0xFFF)>>1];
|
nkeynes@388 | 705 | }
|
nkeynes@388 | 706 | }
|
nkeynes@388 | 707 |
|
nkeynes@359 | 708 | switch( (ir&0xF000) >> 12 ) {
|
nkeynes@359 | 709 | case 0x0:
|
nkeynes@359 | 710 | switch( ir&0xF ) {
|
nkeynes@359 | 711 | case 0x2:
|
nkeynes@359 | 712 | switch( (ir&0x80) >> 7 ) {
|
nkeynes@359 | 713 | case 0x0:
|
nkeynes@359 | 714 | switch( (ir&0x70) >> 4 ) {
|
nkeynes@359 | 715 | case 0x0:
|
nkeynes@359 | 716 | { /* STC SR, Rn */
|
nkeynes@359 | 717 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@386 | 718 | check_priv();
|
nkeynes@374 | 719 | call_func0(sh4_read_sr);
|
nkeynes@368 | 720 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 721 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 722 | }
|
nkeynes@359 | 723 | break;
|
nkeynes@359 | 724 | case 0x1:
|
nkeynes@359 | 725 | { /* STC GBR, Rn */
|
nkeynes@359 | 726 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 727 | load_spreg( R_EAX, R_GBR );
|
nkeynes@359 | 728 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 729 | }
|
nkeynes@359 | 730 | break;
|
nkeynes@359 | 731 | case 0x2:
|
nkeynes@359 | 732 | { /* STC VBR, Rn */
|
nkeynes@359 | 733 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@386 | 734 | check_priv();
|
nkeynes@359 | 735 | load_spreg( R_EAX, R_VBR );
|
nkeynes@359 | 736 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 737 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 738 | }
|
nkeynes@359 | 739 | break;
|
nkeynes@359 | 740 | case 0x3:
|
nkeynes@359 | 741 | { /* STC SSR, Rn */
|
nkeynes@359 | 742 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@386 | 743 | check_priv();
|
nkeynes@359 | 744 | load_spreg( R_EAX, R_SSR );
|
nkeynes@359 | 745 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 746 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 747 | }
|
nkeynes@359 | 748 | break;
|
nkeynes@359 | 749 | case 0x4:
|
nkeynes@359 | 750 | { /* STC SPC, Rn */
|
nkeynes@359 | 751 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@386 | 752 | check_priv();
|
nkeynes@359 | 753 | load_spreg( R_EAX, R_SPC );
|
nkeynes@359 | 754 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 755 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 756 | }
|
nkeynes@359 | 757 | break;
|
nkeynes@359 | 758 | default:
|
nkeynes@359 | 759 | UNDEF();
|
nkeynes@359 | 760 | break;
|
nkeynes@359 | 761 | }
|
nkeynes@359 | 762 | break;
|
nkeynes@359 | 763 | case 0x1:
|
nkeynes@359 | 764 | { /* STC Rm_BANK, Rn */
|
nkeynes@359 | 765 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm_BANK = ((ir>>4)&0x7);
|
nkeynes@386 | 766 | check_priv();
|
nkeynes@374 | 767 | load_spreg( R_EAX, REG_OFFSET(r_bank[Rm_BANK]) );
|
nkeynes@374 | 768 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 769 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 770 | }
|
nkeynes@359 | 771 | break;
|
nkeynes@359 | 772 | }
|
nkeynes@359 | 773 | break;
|
nkeynes@359 | 774 | case 0x3:
|
nkeynes@359 | 775 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 776 | case 0x0:
|
nkeynes@359 | 777 | { /* BSRF Rn */
|
nkeynes@359 | 778 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@374 | 779 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 780 | SLOTILLEGAL();
|
nkeynes@374 | 781 | } else {
|
nkeynes@408 | 782 | load_imm32( R_ECX, pc + 4 );
|
nkeynes@408 | 783 | store_spreg( R_ECX, R_PR );
|
nkeynes@408 | 784 | ADD_sh4r_r32( REG_OFFSET(r[Rn]), R_ECX );
|
nkeynes@408 | 785 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 786 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@417 | 787 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@526 | 788 | sh4_translate_instruction( pc + 2 );
|
nkeynes@408 | 789 | exit_block_pcset(pc+2);
|
nkeynes@409 | 790 | sh4_x86.branch_taken = TRUE;
|
nkeynes@408 | 791 | return 4;
|
nkeynes@374 | 792 | }
|
nkeynes@359 | 793 | }
|
nkeynes@359 | 794 | break;
|
nkeynes@359 | 795 | case 0x2:
|
nkeynes@359 | 796 | { /* BRAF Rn */
|
nkeynes@359 | 797 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@374 | 798 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 799 | SLOTILLEGAL();
|
nkeynes@374 | 800 | } else {
|
nkeynes@408 | 801 | load_reg( R_EAX, Rn );
|
nkeynes@408 | 802 | ADD_imm32_r32( pc + 4, R_EAX );
|
nkeynes@408 | 803 | store_spreg( R_EAX, REG_OFFSET(pc) );
|
nkeynes@374 | 804 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@417 | 805 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@526 | 806 | sh4_translate_instruction( pc + 2 );
|
nkeynes@408 | 807 | exit_block_pcset(pc+2);
|
nkeynes@409 | 808 | sh4_x86.branch_taken = TRUE;
|
nkeynes@408 | 809 | return 4;
|
nkeynes@374 | 810 | }
|
nkeynes@359 | 811 | }
|
nkeynes@359 | 812 | break;
|
nkeynes@359 | 813 | case 0x8:
|
nkeynes@359 | 814 | { /* PREF @Rn */
|
nkeynes@359 | 815 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@374 | 816 | load_reg( R_EAX, Rn );
|
nkeynes@532 | 817 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@374 | 818 | AND_imm32_r32( 0xFC000000, R_EAX );
|
nkeynes@374 | 819 | CMP_imm32_r32( 0xE0000000, R_EAX );
|
nkeynes@532 | 820 | JNE_rel8(CALL_FUNC1_SIZE, end);
|
nkeynes@532 | 821 | call_func1( sh4_flush_store_queue, R_ECX );
|
nkeynes@380 | 822 | JMP_TARGET(end);
|
nkeynes@417 | 823 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 824 | }
|
nkeynes@359 | 825 | break;
|
nkeynes@359 | 826 | case 0x9:
|
nkeynes@359 | 827 | { /* OCBI @Rn */
|
nkeynes@359 | 828 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 829 | }
|
nkeynes@359 | 830 | break;
|
nkeynes@359 | 831 | case 0xA:
|
nkeynes@359 | 832 | { /* OCBP @Rn */
|
nkeynes@359 | 833 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 834 | }
|
nkeynes@359 | 835 | break;
|
nkeynes@359 | 836 | case 0xB:
|
nkeynes@359 | 837 | { /* OCBWB @Rn */
|
nkeynes@359 | 838 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 839 | }
|
nkeynes@359 | 840 | break;
|
nkeynes@359 | 841 | case 0xC:
|
nkeynes@359 | 842 | { /* MOVCA.L R0, @Rn */
|
nkeynes@359 | 843 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@361 | 844 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 845 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 846 | precheck();
|
nkeynes@374 | 847 | check_walign32( R_ECX );
|
nkeynes@361 | 848 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 849 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 850 | }
|
nkeynes@359 | 851 | break;
|
nkeynes@359 | 852 | default:
|
nkeynes@359 | 853 | UNDEF();
|
nkeynes@359 | 854 | break;
|
nkeynes@359 | 855 | }
|
nkeynes@359 | 856 | break;
|
nkeynes@359 | 857 | case 0x4:
|
nkeynes@359 | 858 | { /* MOV.B Rm, @(R0, Rn) */
|
nkeynes@359 | 859 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 860 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 861 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 862 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 863 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 864 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@417 | 865 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 866 | }
|
nkeynes@359 | 867 | break;
|
nkeynes@359 | 868 | case 0x5:
|
nkeynes@359 | 869 | { /* MOV.W Rm, @(R0, Rn) */
|
nkeynes@359 | 870 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 871 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 872 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 873 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@416 | 874 | precheck();
|
nkeynes@374 | 875 | check_walign16( R_ECX );
|
nkeynes@361 | 876 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 877 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@417 | 878 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 879 | }
|
nkeynes@359 | 880 | break;
|
nkeynes@359 | 881 | case 0x6:
|
nkeynes@359 | 882 | { /* MOV.L Rm, @(R0, Rn) */
|
nkeynes@359 | 883 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 884 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 885 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 886 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@416 | 887 | precheck();
|
nkeynes@374 | 888 | check_walign32( R_ECX );
|
nkeynes@361 | 889 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 890 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 891 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 892 | }
|
nkeynes@359 | 893 | break;
|
nkeynes@359 | 894 | case 0x7:
|
nkeynes@359 | 895 | { /* MUL.L Rm, Rn */
|
nkeynes@359 | 896 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 897 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 898 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 899 | MUL_r32( R_ECX );
|
nkeynes@361 | 900 | store_spreg( R_EAX, R_MACL );
|
nkeynes@417 | 901 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 902 | }
|
nkeynes@359 | 903 | break;
|
nkeynes@359 | 904 | case 0x8:
|
nkeynes@359 | 905 | switch( (ir&0xFF0) >> 4 ) {
|
nkeynes@359 | 906 | case 0x0:
|
nkeynes@359 | 907 | { /* CLRT */
|
nkeynes@374 | 908 | CLC();
|
nkeynes@374 | 909 | SETC_t();
|
nkeynes@417 | 910 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 911 | }
|
nkeynes@359 | 912 | break;
|
nkeynes@359 | 913 | case 0x1:
|
nkeynes@359 | 914 | { /* SETT */
|
nkeynes@374 | 915 | STC();
|
nkeynes@374 | 916 | SETC_t();
|
nkeynes@417 | 917 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 918 | }
|
nkeynes@359 | 919 | break;
|
nkeynes@359 | 920 | case 0x2:
|
nkeynes@359 | 921 | { /* CLRMAC */
|
nkeynes@374 | 922 | XOR_r32_r32(R_EAX, R_EAX);
|
nkeynes@374 | 923 | store_spreg( R_EAX, R_MACL );
|
nkeynes@374 | 924 | store_spreg( R_EAX, R_MACH );
|
nkeynes@417 | 925 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 926 | }
|
nkeynes@359 | 927 | break;
|
nkeynes@359 | 928 | case 0x3:
|
nkeynes@359 | 929 | { /* LDTLB */
|
nkeynes@359 | 930 | }
|
nkeynes@359 | 931 | break;
|
nkeynes@359 | 932 | case 0x4:
|
nkeynes@359 | 933 | { /* CLRS */
|
nkeynes@374 | 934 | CLC();
|
nkeynes@374 | 935 | SETC_sh4r(R_S);
|
nkeynes@417 | 936 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 937 | }
|
nkeynes@359 | 938 | break;
|
nkeynes@359 | 939 | case 0x5:
|
nkeynes@359 | 940 | { /* SETS */
|
nkeynes@374 | 941 | STC();
|
nkeynes@374 | 942 | SETC_sh4r(R_S);
|
nkeynes@417 | 943 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 944 | }
|
nkeynes@359 | 945 | break;
|
nkeynes@359 | 946 | default:
|
nkeynes@359 | 947 | UNDEF();
|
nkeynes@359 | 948 | break;
|
nkeynes@359 | 949 | }
|
nkeynes@359 | 950 | break;
|
nkeynes@359 | 951 | case 0x9:
|
nkeynes@359 | 952 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 953 | case 0x0:
|
nkeynes@359 | 954 | { /* NOP */
|
nkeynes@359 | 955 | /* Do nothing. Well, we could emit an 0x90, but what would really be the point? */
|
nkeynes@359 | 956 | }
|
nkeynes@359 | 957 | break;
|
nkeynes@359 | 958 | case 0x1:
|
nkeynes@359 | 959 | { /* DIV0U */
|
nkeynes@361 | 960 | XOR_r32_r32( R_EAX, R_EAX );
|
nkeynes@361 | 961 | store_spreg( R_EAX, R_Q );
|
nkeynes@361 | 962 | store_spreg( R_EAX, R_M );
|
nkeynes@361 | 963 | store_spreg( R_EAX, R_T );
|
nkeynes@417 | 964 | sh4_x86.tstate = TSTATE_C; // works for DIV1
|
nkeynes@359 | 965 | }
|
nkeynes@359 | 966 | break;
|
nkeynes@359 | 967 | case 0x2:
|
nkeynes@359 | 968 | { /* MOVT Rn */
|
nkeynes@359 | 969 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 970 | load_spreg( R_EAX, R_T );
|
nkeynes@359 | 971 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 972 | }
|
nkeynes@359 | 973 | break;
|
nkeynes@359 | 974 | default:
|
nkeynes@359 | 975 | UNDEF();
|
nkeynes@359 | 976 | break;
|
nkeynes@359 | 977 | }
|
nkeynes@359 | 978 | break;
|
nkeynes@359 | 979 | case 0xA:
|
nkeynes@359 | 980 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 981 | case 0x0:
|
nkeynes@359 | 982 | { /* STS MACH, Rn */
|
nkeynes@359 | 983 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 984 | load_spreg( R_EAX, R_MACH );
|
nkeynes@359 | 985 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 986 | }
|
nkeynes@359 | 987 | break;
|
nkeynes@359 | 988 | case 0x1:
|
nkeynes@359 | 989 | { /* STS MACL, Rn */
|
nkeynes@359 | 990 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 991 | load_spreg( R_EAX, R_MACL );
|
nkeynes@359 | 992 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 993 | }
|
nkeynes@359 | 994 | break;
|
nkeynes@359 | 995 | case 0x2:
|
nkeynes@359 | 996 | { /* STS PR, Rn */
|
nkeynes@359 | 997 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 998 | load_spreg( R_EAX, R_PR );
|
nkeynes@359 | 999 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1000 | }
|
nkeynes@359 | 1001 | break;
|
nkeynes@359 | 1002 | case 0x3:
|
nkeynes@359 | 1003 | { /* STC SGR, Rn */
|
nkeynes@359 | 1004 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@386 | 1005 | check_priv();
|
nkeynes@359 | 1006 | load_spreg( R_EAX, R_SGR );
|
nkeynes@359 | 1007 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 1008 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1009 | }
|
nkeynes@359 | 1010 | break;
|
nkeynes@359 | 1011 | case 0x5:
|
nkeynes@359 | 1012 | { /* STS FPUL, Rn */
|
nkeynes@359 | 1013 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1014 | load_spreg( R_EAX, R_FPUL );
|
nkeynes@359 | 1015 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1016 | }
|
nkeynes@359 | 1017 | break;
|
nkeynes@359 | 1018 | case 0x6:
|
nkeynes@359 | 1019 | { /* STS FPSCR, Rn */
|
nkeynes@359 | 1020 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1021 | load_spreg( R_EAX, R_FPSCR );
|
nkeynes@359 | 1022 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1023 | }
|
nkeynes@359 | 1024 | break;
|
nkeynes@359 | 1025 | case 0xF:
|
nkeynes@359 | 1026 | { /* STC DBR, Rn */
|
nkeynes@359 | 1027 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@386 | 1028 | check_priv();
|
nkeynes@359 | 1029 | load_spreg( R_EAX, R_DBR );
|
nkeynes@359 | 1030 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 1031 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1032 | }
|
nkeynes@359 | 1033 | break;
|
nkeynes@359 | 1034 | default:
|
nkeynes@359 | 1035 | UNDEF();
|
nkeynes@359 | 1036 | break;
|
nkeynes@359 | 1037 | }
|
nkeynes@359 | 1038 | break;
|
nkeynes@359 | 1039 | case 0xB:
|
nkeynes@359 | 1040 | switch( (ir&0xFF0) >> 4 ) {
|
nkeynes@359 | 1041 | case 0x0:
|
nkeynes@359 | 1042 | { /* RTS */
|
nkeynes@374 | 1043 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1044 | SLOTILLEGAL();
|
nkeynes@374 | 1045 | } else {
|
nkeynes@408 | 1046 | load_spreg( R_ECX, R_PR );
|
nkeynes@408 | 1047 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 1048 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@526 | 1049 | sh4_translate_instruction(pc+2);
|
nkeynes@408 | 1050 | exit_block_pcset(pc+2);
|
nkeynes@409 | 1051 | sh4_x86.branch_taken = TRUE;
|
nkeynes@408 | 1052 | return 4;
|
nkeynes@374 | 1053 | }
|
nkeynes@359 | 1054 | }
|
nkeynes@359 | 1055 | break;
|
nkeynes@359 | 1056 | case 0x1:
|
nkeynes@359 | 1057 | { /* SLEEP */
|
nkeynes@388 | 1058 | check_priv();
|
nkeynes@388 | 1059 | call_func0( sh4_sleep );
|
nkeynes@417 | 1060 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@388 | 1061 | sh4_x86.in_delay_slot = FALSE;
|
nkeynes@408 | 1062 | return 2;
|
nkeynes@359 | 1063 | }
|
nkeynes@359 | 1064 | break;
|
nkeynes@359 | 1065 | case 0x2:
|
nkeynes@359 | 1066 | { /* RTE */
|
nkeynes@374 | 1067 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 1068 | SLOTILLEGAL();
|
nkeynes@374 | 1069 | } else {
|
nkeynes@408 | 1070 | check_priv();
|
nkeynes@408 | 1071 | load_spreg( R_ECX, R_SPC );
|
nkeynes@408 | 1072 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 1073 | load_spreg( R_EAX, R_SSR );
|
nkeynes@374 | 1074 | call_func1( sh4_write_sr, R_EAX );
|
nkeynes@374 | 1075 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@377 | 1076 | sh4_x86.priv_checked = FALSE;
|
nkeynes@377 | 1077 | sh4_x86.fpuen_checked = FALSE;
|
nkeynes@417 | 1078 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@526 | 1079 | sh4_translate_instruction(pc+2);
|
nkeynes@408 | 1080 | exit_block_pcset(pc+2);
|
nkeynes@409 | 1081 | sh4_x86.branch_taken = TRUE;
|
nkeynes@408 | 1082 | return 4;
|
nkeynes@374 | 1083 | }
|
nkeynes@359 | 1084 | }
|
nkeynes@359 | 1085 | break;
|
nkeynes@359 | 1086 | default:
|
nkeynes@359 | 1087 | UNDEF();
|
nkeynes@359 | 1088 | break;
|
nkeynes@359 | 1089 | }
|
nkeynes@359 | 1090 | break;
|
nkeynes@359 | 1091 | case 0xC:
|
nkeynes@359 | 1092 | { /* MOV.B @(R0, Rm), Rn */
|
nkeynes@359 | 1093 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1094 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 1095 | load_reg( R_ECX, Rm );
|
nkeynes@359 | 1096 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1097 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 1098 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 1099 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1100 | }
|
nkeynes@359 | 1101 | break;
|
nkeynes@359 | 1102 | case 0xD:
|
nkeynes@359 | 1103 | { /* MOV.W @(R0, Rm), Rn */
|
nkeynes@359 | 1104 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1105 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1106 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 1107 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@416 | 1108 | precheck();
|
nkeynes@374 | 1109 | check_ralign16( R_ECX );
|
nkeynes@361 | 1110 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 1111 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 1112 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1113 | }
|
nkeynes@359 | 1114 | break;
|
nkeynes@359 | 1115 | case 0xE:
|
nkeynes@359 | 1116 | { /* MOV.L @(R0, Rm), Rn */
|
nkeynes@359 | 1117 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1118 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 1119 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 1120 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@416 | 1121 | precheck();
|
nkeynes@374 | 1122 | check_ralign32( R_ECX );
|
nkeynes@361 | 1123 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 1124 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 1125 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1126 | }
|
nkeynes@359 | 1127 | break;
|
nkeynes@359 | 1128 | case 0xF:
|
nkeynes@359 | 1129 | { /* MAC.L @Rm+, @Rn+ */
|
nkeynes@359 | 1130 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@386 | 1131 | load_reg( R_ECX, Rm );
|
nkeynes@416 | 1132 | precheck();
|
nkeynes@386 | 1133 | check_ralign32( R_ECX );
|
nkeynes@386 | 1134 | load_reg( R_ECX, Rn );
|
nkeynes@386 | 1135 | check_ralign32( R_ECX );
|
nkeynes@386 | 1136 | ADD_imm8s_sh4r( 4, REG_OFFSET(r[Rn]) );
|
nkeynes@386 | 1137 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@386 | 1138 | PUSH_r32( R_EAX );
|
nkeynes@386 | 1139 | load_reg( R_ECX, Rm );
|
nkeynes@386 | 1140 | ADD_imm8s_sh4r( 4, REG_OFFSET(r[Rm]) );
|
nkeynes@386 | 1141 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@386 | 1142 | POP_r32( R_ECX );
|
nkeynes@386 | 1143 | IMUL_r32( R_ECX );
|
nkeynes@386 | 1144 | ADD_r32_sh4r( R_EAX, R_MACL );
|
nkeynes@386 | 1145 | ADC_r32_sh4r( R_EDX, R_MACH );
|
nkeynes@386 | 1146 |
|
nkeynes@386 | 1147 | load_spreg( R_ECX, R_S );
|
nkeynes@386 | 1148 | TEST_r32_r32(R_ECX, R_ECX);
|
nkeynes@527 | 1149 | JE_rel8( CALL_FUNC0_SIZE, nosat );
|
nkeynes@386 | 1150 | call_func0( signsat48 );
|
nkeynes@386 | 1151 | JMP_TARGET( nosat );
|
nkeynes@417 | 1152 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1153 | }
|
nkeynes@359 | 1154 | break;
|
nkeynes@359 | 1155 | default:
|
nkeynes@359 | 1156 | UNDEF();
|
nkeynes@359 | 1157 | break;
|
nkeynes@359 | 1158 | }
|
nkeynes@359 | 1159 | break;
|
nkeynes@359 | 1160 | case 0x1:
|
nkeynes@359 | 1161 | { /* MOV.L Rm, @(disp, Rn) */
|
nkeynes@359 | 1162 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<2;
|
nkeynes@361 | 1163 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 1164 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1165 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@416 | 1166 | precheck();
|
nkeynes@374 | 1167 | check_walign32( R_ECX );
|
nkeynes@361 | 1168 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1169 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1170 | }
|
nkeynes@359 | 1171 | break;
|
nkeynes@359 | 1172 | case 0x2:
|
nkeynes@359 | 1173 | switch( ir&0xF ) {
|
nkeynes@359 | 1174 | case 0x0:
|
nkeynes@359 | 1175 | { /* MOV.B Rm, @Rn */
|
nkeynes@359 | 1176 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1177 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1178 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1179 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@417 | 1180 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1181 | }
|
nkeynes@359 | 1182 | break;
|
nkeynes@359 | 1183 | case 0x1:
|
nkeynes@359 | 1184 | { /* MOV.W Rm, @Rn */
|
nkeynes@359 | 1185 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1186 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1187 | precheck();
|
nkeynes@374 | 1188 | check_walign16( R_ECX );
|
nkeynes@386 | 1189 | load_reg( R_EAX, Rm );
|
nkeynes@386 | 1190 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@417 | 1191 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1192 | }
|
nkeynes@359 | 1193 | break;
|
nkeynes@359 | 1194 | case 0x2:
|
nkeynes@359 | 1195 | { /* MOV.L Rm, @Rn */
|
nkeynes@359 | 1196 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1197 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1198 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1199 | precheck();
|
nkeynes@374 | 1200 | check_walign32(R_ECX);
|
nkeynes@361 | 1201 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1202 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1203 | }
|
nkeynes@359 | 1204 | break;
|
nkeynes@359 | 1205 | case 0x4:
|
nkeynes@359 | 1206 | { /* MOV.B Rm, @-Rn */
|
nkeynes@359 | 1207 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1208 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1209 | load_reg( R_ECX, Rn );
|
nkeynes@386 | 1210 | ADD_imm8s_r32( -1, R_ECX );
|
nkeynes@359 | 1211 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1212 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@417 | 1213 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1214 | }
|
nkeynes@359 | 1215 | break;
|
nkeynes@359 | 1216 | case 0x5:
|
nkeynes@359 | 1217 | { /* MOV.W Rm, @-Rn */
|
nkeynes@359 | 1218 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1219 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1220 | precheck();
|
nkeynes@374 | 1221 | check_walign16( R_ECX );
|
nkeynes@361 | 1222 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1223 | ADD_imm8s_r32( -2, R_ECX );
|
nkeynes@386 | 1224 | store_reg( R_ECX, Rn );
|
nkeynes@361 | 1225 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@417 | 1226 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1227 | }
|
nkeynes@359 | 1228 | break;
|
nkeynes@359 | 1229 | case 0x6:
|
nkeynes@359 | 1230 | { /* MOV.L Rm, @-Rn */
|
nkeynes@359 | 1231 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1232 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1233 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1234 | precheck();
|
nkeynes@374 | 1235 | check_walign32( R_ECX );
|
nkeynes@361 | 1236 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@361 | 1237 | store_reg( R_ECX, Rn );
|
nkeynes@361 | 1238 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1239 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1240 | }
|
nkeynes@359 | 1241 | break;
|
nkeynes@359 | 1242 | case 0x7:
|
nkeynes@359 | 1243 | { /* DIV0S Rm, Rn */
|
nkeynes@359 | 1244 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1245 | load_reg( R_EAX, Rm );
|
nkeynes@386 | 1246 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 1247 | SHR_imm8_r32( 31, R_EAX );
|
nkeynes@361 | 1248 | SHR_imm8_r32( 31, R_ECX );
|
nkeynes@361 | 1249 | store_spreg( R_EAX, R_M );
|
nkeynes@361 | 1250 | store_spreg( R_ECX, R_Q );
|
nkeynes@361 | 1251 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 1252 | SETNE_t();
|
nkeynes@417 | 1253 | sh4_x86.tstate = TSTATE_NE;
|
nkeynes@359 | 1254 | }
|
nkeynes@359 | 1255 | break;
|
nkeynes@359 | 1256 | case 0x8:
|
nkeynes@359 | 1257 | { /* TST Rm, Rn */
|
nkeynes@359 | 1258 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1259 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1260 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 1261 | TEST_r32_r32( R_EAX, R_ECX );
|
nkeynes@361 | 1262 | SETE_t();
|
nkeynes@417 | 1263 | sh4_x86.tstate = TSTATE_E;
|
nkeynes@359 | 1264 | }
|
nkeynes@359 | 1265 | break;
|
nkeynes@359 | 1266 | case 0x9:
|
nkeynes@359 | 1267 | { /* AND Rm, Rn */
|
nkeynes@359 | 1268 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1269 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1270 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1271 | AND_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1272 | store_reg( R_ECX, Rn );
|
nkeynes@417 | 1273 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1274 | }
|
nkeynes@359 | 1275 | break;
|
nkeynes@359 | 1276 | case 0xA:
|
nkeynes@359 | 1277 | { /* XOR Rm, Rn */
|
nkeynes@359 | 1278 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1279 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1280 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1281 | XOR_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1282 | store_reg( R_ECX, Rn );
|
nkeynes@417 | 1283 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1284 | }
|
nkeynes@359 | 1285 | break;
|
nkeynes@359 | 1286 | case 0xB:
|
nkeynes@359 | 1287 | { /* OR Rm, Rn */
|
nkeynes@359 | 1288 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1289 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1290 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1291 | OR_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1292 | store_reg( R_ECX, Rn );
|
nkeynes@417 | 1293 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1294 | }
|
nkeynes@359 | 1295 | break;
|
nkeynes@359 | 1296 | case 0xC:
|
nkeynes@359 | 1297 | { /* CMP/STR Rm, Rn */
|
nkeynes@359 | 1298 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@368 | 1299 | load_reg( R_EAX, Rm );
|
nkeynes@368 | 1300 | load_reg( R_ECX, Rn );
|
nkeynes@368 | 1301 | XOR_r32_r32( R_ECX, R_EAX );
|
nkeynes@368 | 1302 | TEST_r8_r8( R_AL, R_AL );
|
nkeynes@380 | 1303 | JE_rel8(13, target1);
|
nkeynes@368 | 1304 | TEST_r8_r8( R_AH, R_AH ); // 2
|
nkeynes@380 | 1305 | JE_rel8(9, target2);
|
nkeynes@368 | 1306 | SHR_imm8_r32( 16, R_EAX ); // 3
|
nkeynes@368 | 1307 | TEST_r8_r8( R_AL, R_AL ); // 2
|
nkeynes@380 | 1308 | JE_rel8(2, target3);
|
nkeynes@368 | 1309 | TEST_r8_r8( R_AH, R_AH ); // 2
|
nkeynes@380 | 1310 | JMP_TARGET(target1);
|
nkeynes@380 | 1311 | JMP_TARGET(target2);
|
nkeynes@380 | 1312 | JMP_TARGET(target3);
|
nkeynes@368 | 1313 | SETE_t();
|
nkeynes@417 | 1314 | sh4_x86.tstate = TSTATE_E;
|
nkeynes@359 | 1315 | }
|
nkeynes@359 | 1316 | break;
|
nkeynes@359 | 1317 | case 0xD:
|
nkeynes@359 | 1318 | { /* XTRCT Rm, Rn */
|
nkeynes@359 | 1319 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1320 | load_reg( R_EAX, Rm );
|
nkeynes@394 | 1321 | load_reg( R_ECX, Rn );
|
nkeynes@394 | 1322 | SHL_imm8_r32( 16, R_EAX );
|
nkeynes@394 | 1323 | SHR_imm8_r32( 16, R_ECX );
|
nkeynes@361 | 1324 | OR_r32_r32( R_EAX, R_ECX );
|
nkeynes@361 | 1325 | store_reg( R_ECX, Rn );
|
nkeynes@417 | 1326 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1327 | }
|
nkeynes@359 | 1328 | break;
|
nkeynes@359 | 1329 | case 0xE:
|
nkeynes@359 | 1330 | { /* MULU.W Rm, Rn */
|
nkeynes@359 | 1331 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@374 | 1332 | load_reg16u( R_EAX, Rm );
|
nkeynes@374 | 1333 | load_reg16u( R_ECX, Rn );
|
nkeynes@374 | 1334 | MUL_r32( R_ECX );
|
nkeynes@374 | 1335 | store_spreg( R_EAX, R_MACL );
|
nkeynes@417 | 1336 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1337 | }
|
nkeynes@359 | 1338 | break;
|
nkeynes@359 | 1339 | case 0xF:
|
nkeynes@359 | 1340 | { /* MULS.W Rm, Rn */
|
nkeynes@359 | 1341 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@374 | 1342 | load_reg16s( R_EAX, Rm );
|
nkeynes@374 | 1343 | load_reg16s( R_ECX, Rn );
|
nkeynes@374 | 1344 | MUL_r32( R_ECX );
|
nkeynes@374 | 1345 | store_spreg( R_EAX, R_MACL );
|
nkeynes@417 | 1346 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1347 | }
|
nkeynes@359 | 1348 | break;
|
nkeynes@359 | 1349 | default:
|
nkeynes@359 | 1350 | UNDEF();
|
nkeynes@359 | 1351 | break;
|
nkeynes@359 | 1352 | }
|
nkeynes@359 | 1353 | break;
|
nkeynes@359 | 1354 | case 0x3:
|
nkeynes@359 | 1355 | switch( ir&0xF ) {
|
nkeynes@359 | 1356 | case 0x0:
|
nkeynes@359 | 1357 | { /* CMP/EQ Rm, Rn */
|
nkeynes@359 | 1358 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1359 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1360 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1361 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1362 | SETE_t();
|
nkeynes@417 | 1363 | sh4_x86.tstate = TSTATE_E;
|
nkeynes@359 | 1364 | }
|
nkeynes@359 | 1365 | break;
|
nkeynes@359 | 1366 | case 0x2:
|
nkeynes@359 | 1367 | { /* CMP/HS Rm, Rn */
|
nkeynes@359 | 1368 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1369 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1370 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1371 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1372 | SETAE_t();
|
nkeynes@417 | 1373 | sh4_x86.tstate = TSTATE_AE;
|
nkeynes@359 | 1374 | }
|
nkeynes@359 | 1375 | break;
|
nkeynes@359 | 1376 | case 0x3:
|
nkeynes@359 | 1377 | { /* CMP/GE Rm, Rn */
|
nkeynes@359 | 1378 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1379 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1380 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1381 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1382 | SETGE_t();
|
nkeynes@417 | 1383 | sh4_x86.tstate = TSTATE_GE;
|
nkeynes@359 | 1384 | }
|
nkeynes@359 | 1385 | break;
|
nkeynes@359 | 1386 | case 0x4:
|
nkeynes@359 | 1387 | { /* DIV1 Rm, Rn */
|
nkeynes@359 | 1388 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@386 | 1389 | load_spreg( R_ECX, R_M );
|
nkeynes@386 | 1390 | load_reg( R_EAX, Rn );
|
nkeynes@417 | 1391 | if( sh4_x86.tstate != TSTATE_C ) {
|
nkeynes@417 | 1392 | LDC_t();
|
nkeynes@417 | 1393 | }
|
nkeynes@386 | 1394 | RCL1_r32( R_EAX );
|
nkeynes@386 | 1395 | SETC_r8( R_DL ); // Q'
|
nkeynes@386 | 1396 | CMP_sh4r_r32( R_Q, R_ECX );
|
nkeynes@386 | 1397 | JE_rel8(5, mqequal);
|
nkeynes@386 | 1398 | ADD_sh4r_r32( REG_OFFSET(r[Rm]), R_EAX );
|
nkeynes@386 | 1399 | JMP_rel8(3, end);
|
nkeynes@380 | 1400 | JMP_TARGET(mqequal);
|
nkeynes@386 | 1401 | SUB_sh4r_r32( REG_OFFSET(r[Rm]), R_EAX );
|
nkeynes@386 | 1402 | JMP_TARGET(end);
|
nkeynes@386 | 1403 | store_reg( R_EAX, Rn ); // Done with Rn now
|
nkeynes@386 | 1404 | SETC_r8(R_AL); // tmp1
|
nkeynes@386 | 1405 | XOR_r8_r8( R_DL, R_AL ); // Q' = Q ^ tmp1
|
nkeynes@386 | 1406 | XOR_r8_r8( R_AL, R_CL ); // Q'' = Q' ^ M
|
nkeynes@386 | 1407 | store_spreg( R_ECX, R_Q );
|
nkeynes@386 | 1408 | XOR_imm8s_r32( 1, R_AL ); // T = !Q'
|
nkeynes@386 | 1409 | MOVZX_r8_r32( R_AL, R_EAX );
|
nkeynes@386 | 1410 | store_spreg( R_EAX, R_T );
|
nkeynes@417 | 1411 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1412 | }
|
nkeynes@359 | 1413 | break;
|
nkeynes@359 | 1414 | case 0x5:
|
nkeynes@359 | 1415 | { /* DMULU.L Rm, Rn */
|
nkeynes@359 | 1416 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1417 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1418 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 1419 | MUL_r32(R_ECX);
|
nkeynes@361 | 1420 | store_spreg( R_EDX, R_MACH );
|
nkeynes@417 | 1421 | store_spreg( R_EAX, R_MACL );
|
nkeynes@417 | 1422 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1423 | }
|
nkeynes@359 | 1424 | break;
|
nkeynes@359 | 1425 | case 0x6:
|
nkeynes@359 | 1426 | { /* CMP/HI Rm, Rn */
|
nkeynes@359 | 1427 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1428 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1429 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1430 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1431 | SETA_t();
|
nkeynes@417 | 1432 | sh4_x86.tstate = TSTATE_A;
|
nkeynes@359 | 1433 | }
|
nkeynes@359 | 1434 | break;
|
nkeynes@359 | 1435 | case 0x7:
|
nkeynes@359 | 1436 | { /* CMP/GT Rm, Rn */
|
nkeynes@359 | 1437 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1438 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1439 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1440 | CMP_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1441 | SETG_t();
|
nkeynes@417 | 1442 | sh4_x86.tstate = TSTATE_G;
|
nkeynes@359 | 1443 | }
|
nkeynes@359 | 1444 | break;
|
nkeynes@359 | 1445 | case 0x8:
|
nkeynes@359 | 1446 | { /* SUB Rm, Rn */
|
nkeynes@359 | 1447 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1448 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1449 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1450 | SUB_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1451 | store_reg( R_ECX, Rn );
|
nkeynes@417 | 1452 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1453 | }
|
nkeynes@359 | 1454 | break;
|
nkeynes@359 | 1455 | case 0xA:
|
nkeynes@359 | 1456 | { /* SUBC Rm, Rn */
|
nkeynes@359 | 1457 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1458 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1459 | load_reg( R_ECX, Rn );
|
nkeynes@417 | 1460 | if( sh4_x86.tstate != TSTATE_C ) {
|
nkeynes@417 | 1461 | LDC_t();
|
nkeynes@417 | 1462 | }
|
nkeynes@359 | 1463 | SBB_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1464 | store_reg( R_ECX, Rn );
|
nkeynes@394 | 1465 | SETC_t();
|
nkeynes@417 | 1466 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1467 | }
|
nkeynes@359 | 1468 | break;
|
nkeynes@359 | 1469 | case 0xB:
|
nkeynes@359 | 1470 | { /* SUBV Rm, Rn */
|
nkeynes@359 | 1471 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1472 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1473 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1474 | SUB_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1475 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1476 | SETO_t();
|
nkeynes@417 | 1477 | sh4_x86.tstate = TSTATE_O;
|
nkeynes@359 | 1478 | }
|
nkeynes@359 | 1479 | break;
|
nkeynes@359 | 1480 | case 0xC:
|
nkeynes@359 | 1481 | { /* ADD Rm, Rn */
|
nkeynes@359 | 1482 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1483 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1484 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1485 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1486 | store_reg( R_ECX, Rn );
|
nkeynes@417 | 1487 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1488 | }
|
nkeynes@359 | 1489 | break;
|
nkeynes@359 | 1490 | case 0xD:
|
nkeynes@359 | 1491 | { /* DMULS.L Rm, Rn */
|
nkeynes@359 | 1492 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 1493 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 1494 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 1495 | IMUL_r32(R_ECX);
|
nkeynes@361 | 1496 | store_spreg( R_EDX, R_MACH );
|
nkeynes@361 | 1497 | store_spreg( R_EAX, R_MACL );
|
nkeynes@417 | 1498 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1499 | }
|
nkeynes@359 | 1500 | break;
|
nkeynes@359 | 1501 | case 0xE:
|
nkeynes@359 | 1502 | { /* ADDC Rm, Rn */
|
nkeynes@359 | 1503 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@417 | 1504 | if( sh4_x86.tstate != TSTATE_C ) {
|
nkeynes@417 | 1505 | LDC_t();
|
nkeynes@417 | 1506 | }
|
nkeynes@359 | 1507 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1508 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1509 | ADC_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1510 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1511 | SETC_t();
|
nkeynes@417 | 1512 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1513 | }
|
nkeynes@359 | 1514 | break;
|
nkeynes@359 | 1515 | case 0xF:
|
nkeynes@359 | 1516 | { /* ADDV Rm, Rn */
|
nkeynes@359 | 1517 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 1518 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 1519 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 1520 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1521 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1522 | SETO_t();
|
nkeynes@417 | 1523 | sh4_x86.tstate = TSTATE_O;
|
nkeynes@359 | 1524 | }
|
nkeynes@359 | 1525 | break;
|
nkeynes@359 | 1526 | default:
|
nkeynes@359 | 1527 | UNDEF();
|
nkeynes@359 | 1528 | break;
|
nkeynes@359 | 1529 | }
|
nkeynes@359 | 1530 | break;
|
nkeynes@359 | 1531 | case 0x4:
|
nkeynes@359 | 1532 | switch( ir&0xF ) {
|
nkeynes@359 | 1533 | case 0x0:
|
nkeynes@359 | 1534 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 1535 | case 0x0:
|
nkeynes@359 | 1536 | { /* SHLL Rn */
|
nkeynes@359 | 1537 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1538 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 1539 | SHL1_r32( R_EAX );
|
nkeynes@397 | 1540 | SETC_t();
|
nkeynes@359 | 1541 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 1542 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1543 | }
|
nkeynes@359 | 1544 | break;
|
nkeynes@359 | 1545 | case 0x1:
|
nkeynes@359 | 1546 | { /* DT Rn */
|
nkeynes@359 | 1547 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1548 | load_reg( R_EAX, Rn );
|
nkeynes@386 | 1549 | ADD_imm8s_r32( -1, R_EAX );
|
nkeynes@359 | 1550 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1551 | SETE_t();
|
nkeynes@417 | 1552 | sh4_x86.tstate = TSTATE_E;
|
nkeynes@359 | 1553 | }
|
nkeynes@359 | 1554 | break;
|
nkeynes@359 | 1555 | case 0x2:
|
nkeynes@359 | 1556 | { /* SHAL Rn */
|
nkeynes@359 | 1557 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1558 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 1559 | SHL1_r32( R_EAX );
|
nkeynes@397 | 1560 | SETC_t();
|
nkeynes@359 | 1561 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 1562 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1563 | }
|
nkeynes@359 | 1564 | break;
|
nkeynes@359 | 1565 | default:
|
nkeynes@359 | 1566 | UNDEF();
|
nkeynes@359 | 1567 | break;
|
nkeynes@359 | 1568 | }
|
nkeynes@359 | 1569 | break;
|
nkeynes@359 | 1570 | case 0x1:
|
nkeynes@359 | 1571 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 1572 | case 0x0:
|
nkeynes@359 | 1573 | { /* SHLR Rn */
|
nkeynes@359 | 1574 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1575 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 1576 | SHR1_r32( R_EAX );
|
nkeynes@397 | 1577 | SETC_t();
|
nkeynes@359 | 1578 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 1579 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1580 | }
|
nkeynes@359 | 1581 | break;
|
nkeynes@359 | 1582 | case 0x1:
|
nkeynes@359 | 1583 | { /* CMP/PZ Rn */
|
nkeynes@359 | 1584 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1585 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 1586 | CMP_imm8s_r32( 0, R_EAX );
|
nkeynes@359 | 1587 | SETGE_t();
|
nkeynes@417 | 1588 | sh4_x86.tstate = TSTATE_GE;
|
nkeynes@359 | 1589 | }
|
nkeynes@359 | 1590 | break;
|
nkeynes@359 | 1591 | case 0x2:
|
nkeynes@359 | 1592 | { /* SHAR Rn */
|
nkeynes@359 | 1593 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1594 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 1595 | SAR1_r32( R_EAX );
|
nkeynes@397 | 1596 | SETC_t();
|
nkeynes@359 | 1597 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 1598 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1599 | }
|
nkeynes@359 | 1600 | break;
|
nkeynes@359 | 1601 | default:
|
nkeynes@359 | 1602 | UNDEF();
|
nkeynes@359 | 1603 | break;
|
nkeynes@359 | 1604 | }
|
nkeynes@359 | 1605 | break;
|
nkeynes@359 | 1606 | case 0x2:
|
nkeynes@359 | 1607 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 1608 | case 0x0:
|
nkeynes@359 | 1609 | { /* STS.L MACH, @-Rn */
|
nkeynes@359 | 1610 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1611 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1612 | precheck();
|
nkeynes@395 | 1613 | check_walign32( R_ECX );
|
nkeynes@386 | 1614 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1615 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1616 | load_spreg( R_EAX, R_MACH );
|
nkeynes@359 | 1617 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1618 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1619 | }
|
nkeynes@359 | 1620 | break;
|
nkeynes@359 | 1621 | case 0x1:
|
nkeynes@359 | 1622 | { /* STS.L MACL, @-Rn */
|
nkeynes@359 | 1623 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1624 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1625 | precheck();
|
nkeynes@395 | 1626 | check_walign32( R_ECX );
|
nkeynes@386 | 1627 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1628 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1629 | load_spreg( R_EAX, R_MACL );
|
nkeynes@359 | 1630 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1631 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1632 | }
|
nkeynes@359 | 1633 | break;
|
nkeynes@359 | 1634 | case 0x2:
|
nkeynes@359 | 1635 | { /* STS.L PR, @-Rn */
|
nkeynes@359 | 1636 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1637 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1638 | precheck();
|
nkeynes@395 | 1639 | check_walign32( R_ECX );
|
nkeynes@386 | 1640 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1641 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1642 | load_spreg( R_EAX, R_PR );
|
nkeynes@359 | 1643 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1644 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1645 | }
|
nkeynes@359 | 1646 | break;
|
nkeynes@359 | 1647 | case 0x3:
|
nkeynes@359 | 1648 | { /* STC.L SGR, @-Rn */
|
nkeynes@359 | 1649 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@416 | 1650 | precheck();
|
nkeynes@416 | 1651 | check_priv_no_precheck();
|
nkeynes@359 | 1652 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 1653 | check_walign32( R_ECX );
|
nkeynes@386 | 1654 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1655 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1656 | load_spreg( R_EAX, R_SGR );
|
nkeynes@359 | 1657 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1658 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1659 | }
|
nkeynes@359 | 1660 | break;
|
nkeynes@359 | 1661 | case 0x5:
|
nkeynes@359 | 1662 | { /* STS.L FPUL, @-Rn */
|
nkeynes@359 | 1663 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1664 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1665 | precheck();
|
nkeynes@395 | 1666 | check_walign32( R_ECX );
|
nkeynes@386 | 1667 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1668 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1669 | load_spreg( R_EAX, R_FPUL );
|
nkeynes@359 | 1670 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1671 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1672 | }
|
nkeynes@359 | 1673 | break;
|
nkeynes@359 | 1674 | case 0x6:
|
nkeynes@359 | 1675 | { /* STS.L FPSCR, @-Rn */
|
nkeynes@359 | 1676 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1677 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1678 | precheck();
|
nkeynes@395 | 1679 | check_walign32( R_ECX );
|
nkeynes@386 | 1680 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1681 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1682 | load_spreg( R_EAX, R_FPSCR );
|
nkeynes@359 | 1683 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1684 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1685 | }
|
nkeynes@359 | 1686 | break;
|
nkeynes@359 | 1687 | case 0xF:
|
nkeynes@359 | 1688 | { /* STC.L DBR, @-Rn */
|
nkeynes@359 | 1689 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@416 | 1690 | precheck();
|
nkeynes@416 | 1691 | check_priv_no_precheck();
|
nkeynes@359 | 1692 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 1693 | check_walign32( R_ECX );
|
nkeynes@386 | 1694 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1695 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1696 | load_spreg( R_EAX, R_DBR );
|
nkeynes@359 | 1697 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1698 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1699 | }
|
nkeynes@359 | 1700 | break;
|
nkeynes@359 | 1701 | default:
|
nkeynes@359 | 1702 | UNDEF();
|
nkeynes@359 | 1703 | break;
|
nkeynes@359 | 1704 | }
|
nkeynes@359 | 1705 | break;
|
nkeynes@359 | 1706 | case 0x3:
|
nkeynes@359 | 1707 | switch( (ir&0x80) >> 7 ) {
|
nkeynes@359 | 1708 | case 0x0:
|
nkeynes@359 | 1709 | switch( (ir&0x70) >> 4 ) {
|
nkeynes@359 | 1710 | case 0x0:
|
nkeynes@359 | 1711 | { /* STC.L SR, @-Rn */
|
nkeynes@359 | 1712 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@416 | 1713 | precheck();
|
nkeynes@416 | 1714 | check_priv_no_precheck();
|
nkeynes@395 | 1715 | call_func0( sh4_read_sr );
|
nkeynes@374 | 1716 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 1717 | check_walign32( R_ECX );
|
nkeynes@386 | 1718 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@374 | 1719 | store_reg( R_ECX, Rn );
|
nkeynes@374 | 1720 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1721 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1722 | }
|
nkeynes@359 | 1723 | break;
|
nkeynes@359 | 1724 | case 0x1:
|
nkeynes@359 | 1725 | { /* STC.L GBR, @-Rn */
|
nkeynes@359 | 1726 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1727 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 1728 | precheck();
|
nkeynes@395 | 1729 | check_walign32( R_ECX );
|
nkeynes@386 | 1730 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1731 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1732 | load_spreg( R_EAX, R_GBR );
|
nkeynes@359 | 1733 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1734 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1735 | }
|
nkeynes@359 | 1736 | break;
|
nkeynes@359 | 1737 | case 0x2:
|
nkeynes@359 | 1738 | { /* STC.L VBR, @-Rn */
|
nkeynes@359 | 1739 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@416 | 1740 | precheck();
|
nkeynes@416 | 1741 | check_priv_no_precheck();
|
nkeynes@359 | 1742 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 1743 | check_walign32( R_ECX );
|
nkeynes@386 | 1744 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1745 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1746 | load_spreg( R_EAX, R_VBR );
|
nkeynes@359 | 1747 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1748 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1749 | }
|
nkeynes@359 | 1750 | break;
|
nkeynes@359 | 1751 | case 0x3:
|
nkeynes@359 | 1752 | { /* STC.L SSR, @-Rn */
|
nkeynes@359 | 1753 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@416 | 1754 | precheck();
|
nkeynes@416 | 1755 | check_priv_no_precheck();
|
nkeynes@359 | 1756 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 1757 | check_walign32( R_ECX );
|
nkeynes@386 | 1758 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1759 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1760 | load_spreg( R_EAX, R_SSR );
|
nkeynes@359 | 1761 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1762 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1763 | }
|
nkeynes@359 | 1764 | break;
|
nkeynes@359 | 1765 | case 0x4:
|
nkeynes@359 | 1766 | { /* STC.L SPC, @-Rn */
|
nkeynes@359 | 1767 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@416 | 1768 | precheck();
|
nkeynes@416 | 1769 | check_priv_no_precheck();
|
nkeynes@359 | 1770 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 1771 | check_walign32( R_ECX );
|
nkeynes@386 | 1772 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@359 | 1773 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 1774 | load_spreg( R_EAX, R_SPC );
|
nkeynes@359 | 1775 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1776 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1777 | }
|
nkeynes@359 | 1778 | break;
|
nkeynes@359 | 1779 | default:
|
nkeynes@359 | 1780 | UNDEF();
|
nkeynes@359 | 1781 | break;
|
nkeynes@359 | 1782 | }
|
nkeynes@359 | 1783 | break;
|
nkeynes@359 | 1784 | case 0x1:
|
nkeynes@359 | 1785 | { /* STC.L Rm_BANK, @-Rn */
|
nkeynes@359 | 1786 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm_BANK = ((ir>>4)&0x7);
|
nkeynes@416 | 1787 | precheck();
|
nkeynes@416 | 1788 | check_priv_no_precheck();
|
nkeynes@374 | 1789 | load_reg( R_ECX, Rn );
|
nkeynes@395 | 1790 | check_walign32( R_ECX );
|
nkeynes@386 | 1791 | ADD_imm8s_r32( -4, R_ECX );
|
nkeynes@374 | 1792 | store_reg( R_ECX, Rn );
|
nkeynes@374 | 1793 | load_spreg( R_EAX, REG_OFFSET(r_bank[Rm_BANK]) );
|
nkeynes@374 | 1794 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 1795 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1796 | }
|
nkeynes@359 | 1797 | break;
|
nkeynes@359 | 1798 | }
|
nkeynes@359 | 1799 | break;
|
nkeynes@359 | 1800 | case 0x4:
|
nkeynes@359 | 1801 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 1802 | case 0x0:
|
nkeynes@359 | 1803 | { /* ROTL Rn */
|
nkeynes@359 | 1804 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1805 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 1806 | ROL1_r32( R_EAX );
|
nkeynes@359 | 1807 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1808 | SETC_t();
|
nkeynes@417 | 1809 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1810 | }
|
nkeynes@359 | 1811 | break;
|
nkeynes@359 | 1812 | case 0x2:
|
nkeynes@359 | 1813 | { /* ROTCL Rn */
|
nkeynes@359 | 1814 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1815 | load_reg( R_EAX, Rn );
|
nkeynes@417 | 1816 | if( sh4_x86.tstate != TSTATE_C ) {
|
nkeynes@417 | 1817 | LDC_t();
|
nkeynes@417 | 1818 | }
|
nkeynes@359 | 1819 | RCL1_r32( R_EAX );
|
nkeynes@359 | 1820 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1821 | SETC_t();
|
nkeynes@417 | 1822 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1823 | }
|
nkeynes@359 | 1824 | break;
|
nkeynes@359 | 1825 | default:
|
nkeynes@359 | 1826 | UNDEF();
|
nkeynes@359 | 1827 | break;
|
nkeynes@359 | 1828 | }
|
nkeynes@359 | 1829 | break;
|
nkeynes@359 | 1830 | case 0x5:
|
nkeynes@359 | 1831 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 1832 | case 0x0:
|
nkeynes@359 | 1833 | { /* ROTR Rn */
|
nkeynes@359 | 1834 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1835 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 1836 | ROR1_r32( R_EAX );
|
nkeynes@359 | 1837 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1838 | SETC_t();
|
nkeynes@417 | 1839 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1840 | }
|
nkeynes@359 | 1841 | break;
|
nkeynes@359 | 1842 | case 0x1:
|
nkeynes@359 | 1843 | { /* CMP/PL Rn */
|
nkeynes@359 | 1844 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1845 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 1846 | CMP_imm8s_r32( 0, R_EAX );
|
nkeynes@359 | 1847 | SETG_t();
|
nkeynes@417 | 1848 | sh4_x86.tstate = TSTATE_G;
|
nkeynes@359 | 1849 | }
|
nkeynes@359 | 1850 | break;
|
nkeynes@359 | 1851 | case 0x2:
|
nkeynes@359 | 1852 | { /* ROTCR Rn */
|
nkeynes@359 | 1853 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 1854 | load_reg( R_EAX, Rn );
|
nkeynes@417 | 1855 | if( sh4_x86.tstate != TSTATE_C ) {
|
nkeynes@417 | 1856 | LDC_t();
|
nkeynes@417 | 1857 | }
|
nkeynes@359 | 1858 | RCR1_r32( R_EAX );
|
nkeynes@359 | 1859 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 1860 | SETC_t();
|
nkeynes@417 | 1861 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 1862 | }
|
nkeynes@359 | 1863 | break;
|
nkeynes@359 | 1864 | default:
|
nkeynes@359 | 1865 | UNDEF();
|
nkeynes@359 | 1866 | break;
|
nkeynes@359 | 1867 | }
|
nkeynes@359 | 1868 | break;
|
nkeynes@359 | 1869 | case 0x6:
|
nkeynes@359 | 1870 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 1871 | case 0x0:
|
nkeynes@359 | 1872 | { /* LDS.L @Rm+, MACH */
|
nkeynes@359 | 1873 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 1874 | load_reg( R_EAX, Rm );
|
nkeynes@416 | 1875 | precheck();
|
nkeynes@395 | 1876 | check_ralign32( R_EAX );
|
nkeynes@359 | 1877 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1878 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 1879 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 1880 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 1881 | store_spreg( R_EAX, R_MACH );
|
nkeynes@417 | 1882 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1883 | }
|
nkeynes@359 | 1884 | break;
|
nkeynes@359 | 1885 | case 0x1:
|
nkeynes@359 | 1886 | { /* LDS.L @Rm+, MACL */
|
nkeynes@359 | 1887 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 1888 | load_reg( R_EAX, Rm );
|
nkeynes@416 | 1889 | precheck();
|
nkeynes@395 | 1890 | check_ralign32( R_EAX );
|
nkeynes@359 | 1891 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1892 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 1893 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 1894 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 1895 | store_spreg( R_EAX, R_MACL );
|
nkeynes@417 | 1896 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1897 | }
|
nkeynes@359 | 1898 | break;
|
nkeynes@359 | 1899 | case 0x2:
|
nkeynes@359 | 1900 | { /* LDS.L @Rm+, PR */
|
nkeynes@359 | 1901 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 1902 | load_reg( R_EAX, Rm );
|
nkeynes@416 | 1903 | precheck();
|
nkeynes@395 | 1904 | check_ralign32( R_EAX );
|
nkeynes@359 | 1905 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1906 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 1907 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 1908 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 1909 | store_spreg( R_EAX, R_PR );
|
nkeynes@417 | 1910 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1911 | }
|
nkeynes@359 | 1912 | break;
|
nkeynes@359 | 1913 | case 0x3:
|
nkeynes@359 | 1914 | { /* LDC.L @Rm+, SGR */
|
nkeynes@359 | 1915 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@416 | 1916 | precheck();
|
nkeynes@416 | 1917 | check_priv_no_precheck();
|
nkeynes@359 | 1918 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 1919 | check_ralign32( R_EAX );
|
nkeynes@359 | 1920 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1921 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 1922 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 1923 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 1924 | store_spreg( R_EAX, R_SGR );
|
nkeynes@417 | 1925 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1926 | }
|
nkeynes@359 | 1927 | break;
|
nkeynes@359 | 1928 | case 0x5:
|
nkeynes@359 | 1929 | { /* LDS.L @Rm+, FPUL */
|
nkeynes@359 | 1930 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 1931 | load_reg( R_EAX, Rm );
|
nkeynes@416 | 1932 | precheck();
|
nkeynes@395 | 1933 | check_ralign32( R_EAX );
|
nkeynes@359 | 1934 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1935 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 1936 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 1937 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 1938 | store_spreg( R_EAX, R_FPUL );
|
nkeynes@417 | 1939 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1940 | }
|
nkeynes@359 | 1941 | break;
|
nkeynes@359 | 1942 | case 0x6:
|
nkeynes@359 | 1943 | { /* LDS.L @Rm+, FPSCR */
|
nkeynes@359 | 1944 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 1945 | load_reg( R_EAX, Rm );
|
nkeynes@416 | 1946 | precheck();
|
nkeynes@395 | 1947 | check_ralign32( R_EAX );
|
nkeynes@359 | 1948 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1949 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 1950 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 1951 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 1952 | store_spreg( R_EAX, R_FPSCR );
|
nkeynes@386 | 1953 | update_fr_bank( R_EAX );
|
nkeynes@417 | 1954 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1955 | }
|
nkeynes@359 | 1956 | break;
|
nkeynes@359 | 1957 | case 0xF:
|
nkeynes@359 | 1958 | { /* LDC.L @Rm+, DBR */
|
nkeynes@359 | 1959 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@416 | 1960 | precheck();
|
nkeynes@416 | 1961 | check_priv_no_precheck();
|
nkeynes@359 | 1962 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 1963 | check_ralign32( R_EAX );
|
nkeynes@359 | 1964 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 1965 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 1966 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 1967 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 1968 | store_spreg( R_EAX, R_DBR );
|
nkeynes@417 | 1969 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 1970 | }
|
nkeynes@359 | 1971 | break;
|
nkeynes@359 | 1972 | default:
|
nkeynes@359 | 1973 | UNDEF();
|
nkeynes@359 | 1974 | break;
|
nkeynes@359 | 1975 | }
|
nkeynes@359 | 1976 | break;
|
nkeynes@359 | 1977 | case 0x7:
|
nkeynes@359 | 1978 | switch( (ir&0x80) >> 7 ) {
|
nkeynes@359 | 1979 | case 0x0:
|
nkeynes@359 | 1980 | switch( (ir&0x70) >> 4 ) {
|
nkeynes@359 | 1981 | case 0x0:
|
nkeynes@359 | 1982 | { /* LDC.L @Rm+, SR */
|
nkeynes@359 | 1983 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@386 | 1984 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@386 | 1985 | SLOTILLEGAL();
|
nkeynes@386 | 1986 | } else {
|
nkeynes@416 | 1987 | precheck();
|
nkeynes@416 | 1988 | check_priv_no_precheck();
|
nkeynes@386 | 1989 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 1990 | check_ralign32( R_EAX );
|
nkeynes@386 | 1991 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 1992 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@386 | 1993 | store_reg( R_EAX, Rm );
|
nkeynes@386 | 1994 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@386 | 1995 | call_func1( sh4_write_sr, R_EAX );
|
nkeynes@386 | 1996 | sh4_x86.priv_checked = FALSE;
|
nkeynes@386 | 1997 | sh4_x86.fpuen_checked = FALSE;
|
nkeynes@417 | 1998 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@386 | 1999 | }
|
nkeynes@359 | 2000 | }
|
nkeynes@359 | 2001 | break;
|
nkeynes@359 | 2002 | case 0x1:
|
nkeynes@359 | 2003 | { /* LDC.L @Rm+, GBR */
|
nkeynes@359 | 2004 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 2005 | load_reg( R_EAX, Rm );
|
nkeynes@416 | 2006 | precheck();
|
nkeynes@395 | 2007 | check_ralign32( R_EAX );
|
nkeynes@359 | 2008 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2009 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2010 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2011 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2012 | store_spreg( R_EAX, R_GBR );
|
nkeynes@417 | 2013 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2014 | }
|
nkeynes@359 | 2015 | break;
|
nkeynes@359 | 2016 | case 0x2:
|
nkeynes@359 | 2017 | { /* LDC.L @Rm+, VBR */
|
nkeynes@359 | 2018 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@416 | 2019 | precheck();
|
nkeynes@416 | 2020 | check_priv_no_precheck();
|
nkeynes@359 | 2021 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2022 | check_ralign32( R_EAX );
|
nkeynes@359 | 2023 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2024 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2025 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2026 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2027 | store_spreg( R_EAX, R_VBR );
|
nkeynes@417 | 2028 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2029 | }
|
nkeynes@359 | 2030 | break;
|
nkeynes@359 | 2031 | case 0x3:
|
nkeynes@359 | 2032 | { /* LDC.L @Rm+, SSR */
|
nkeynes@359 | 2033 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@416 | 2034 | precheck();
|
nkeynes@416 | 2035 | check_priv_no_precheck();
|
nkeynes@359 | 2036 | load_reg( R_EAX, Rm );
|
nkeynes@416 | 2037 | check_ralign32( R_EAX );
|
nkeynes@359 | 2038 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2039 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2040 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2041 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2042 | store_spreg( R_EAX, R_SSR );
|
nkeynes@417 | 2043 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2044 | }
|
nkeynes@359 | 2045 | break;
|
nkeynes@359 | 2046 | case 0x4:
|
nkeynes@359 | 2047 | { /* LDC.L @Rm+, SPC */
|
nkeynes@359 | 2048 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@416 | 2049 | precheck();
|
nkeynes@416 | 2050 | check_priv_no_precheck();
|
nkeynes@359 | 2051 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2052 | check_ralign32( R_EAX );
|
nkeynes@359 | 2053 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2054 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@359 | 2055 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2056 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@359 | 2057 | store_spreg( R_EAX, R_SPC );
|
nkeynes@417 | 2058 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2059 | }
|
nkeynes@359 | 2060 | break;
|
nkeynes@359 | 2061 | default:
|
nkeynes@359 | 2062 | UNDEF();
|
nkeynes@359 | 2063 | break;
|
nkeynes@359 | 2064 | }
|
nkeynes@359 | 2065 | break;
|
nkeynes@359 | 2066 | case 0x1:
|
nkeynes@359 | 2067 | { /* LDC.L @Rm+, Rn_BANK */
|
nkeynes@359 | 2068 | uint32_t Rm = ((ir>>8)&0xF); uint32_t Rn_BANK = ((ir>>4)&0x7);
|
nkeynes@416 | 2069 | precheck();
|
nkeynes@416 | 2070 | check_priv_no_precheck();
|
nkeynes@374 | 2071 | load_reg( R_EAX, Rm );
|
nkeynes@395 | 2072 | check_ralign32( R_EAX );
|
nkeynes@374 | 2073 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@374 | 2074 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@374 | 2075 | store_reg( R_EAX, Rm );
|
nkeynes@374 | 2076 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@374 | 2077 | store_spreg( R_EAX, REG_OFFSET(r_bank[Rn_BANK]) );
|
nkeynes@417 | 2078 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2079 | }
|
nkeynes@359 | 2080 | break;
|
nkeynes@359 | 2081 | }
|
nkeynes@359 | 2082 | break;
|
nkeynes@359 | 2083 | case 0x8:
|
nkeynes@359 | 2084 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 2085 | case 0x0:
|
nkeynes@359 | 2086 | { /* SHLL2 Rn */
|
nkeynes@359 | 2087 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 2088 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 2089 | SHL_imm8_r32( 2, R_EAX );
|
nkeynes@359 | 2090 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2091 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2092 | }
|
nkeynes@359 | 2093 | break;
|
nkeynes@359 | 2094 | case 0x1:
|
nkeynes@359 | 2095 | { /* SHLL8 Rn */
|
nkeynes@359 | 2096 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 2097 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 2098 | SHL_imm8_r32( 8, R_EAX );
|
nkeynes@359 | 2099 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2100 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2101 | }
|
nkeynes@359 | 2102 | break;
|
nkeynes@359 | 2103 | case 0x2:
|
nkeynes@359 | 2104 | { /* SHLL16 Rn */
|
nkeynes@359 | 2105 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 2106 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 2107 | SHL_imm8_r32( 16, R_EAX );
|
nkeynes@359 | 2108 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2109 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2110 | }
|
nkeynes@359 | 2111 | break;
|
nkeynes@359 | 2112 | default:
|
nkeynes@359 | 2113 | UNDEF();
|
nkeynes@359 | 2114 | break;
|
nkeynes@359 | 2115 | }
|
nkeynes@359 | 2116 | break;
|
nkeynes@359 | 2117 | case 0x9:
|
nkeynes@359 | 2118 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 2119 | case 0x0:
|
nkeynes@359 | 2120 | { /* SHLR2 Rn */
|
nkeynes@359 | 2121 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 2122 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 2123 | SHR_imm8_r32( 2, R_EAX );
|
nkeynes@359 | 2124 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2125 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2126 | }
|
nkeynes@359 | 2127 | break;
|
nkeynes@359 | 2128 | case 0x1:
|
nkeynes@359 | 2129 | { /* SHLR8 Rn */
|
nkeynes@359 | 2130 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 2131 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 2132 | SHR_imm8_r32( 8, R_EAX );
|
nkeynes@359 | 2133 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2134 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2135 | }
|
nkeynes@359 | 2136 | break;
|
nkeynes@359 | 2137 | case 0x2:
|
nkeynes@359 | 2138 | { /* SHLR16 Rn */
|
nkeynes@359 | 2139 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@359 | 2140 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 2141 | SHR_imm8_r32( 16, R_EAX );
|
nkeynes@359 | 2142 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2143 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2144 | }
|
nkeynes@359 | 2145 | break;
|
nkeynes@359 | 2146 | default:
|
nkeynes@359 | 2147 | UNDEF();
|
nkeynes@359 | 2148 | break;
|
nkeynes@359 | 2149 | }
|
nkeynes@359 | 2150 | break;
|
nkeynes@359 | 2151 | case 0xA:
|
nkeynes@359 | 2152 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 2153 | case 0x0:
|
nkeynes@359 | 2154 | { /* LDS Rm, MACH */
|
nkeynes@359 | 2155 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 2156 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2157 | store_spreg( R_EAX, R_MACH );
|
nkeynes@359 | 2158 | }
|
nkeynes@359 | 2159 | break;
|
nkeynes@359 | 2160 | case 0x1:
|
nkeynes@359 | 2161 | { /* LDS Rm, MACL */
|
nkeynes@359 | 2162 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 2163 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2164 | store_spreg( R_EAX, R_MACL );
|
nkeynes@359 | 2165 | }
|
nkeynes@359 | 2166 | break;
|
nkeynes@359 | 2167 | case 0x2:
|
nkeynes@359 | 2168 | { /* LDS Rm, PR */
|
nkeynes@359 | 2169 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 2170 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2171 | store_spreg( R_EAX, R_PR );
|
nkeynes@359 | 2172 | }
|
nkeynes@359 | 2173 | break;
|
nkeynes@359 | 2174 | case 0x3:
|
nkeynes@359 | 2175 | { /* LDC Rm, SGR */
|
nkeynes@359 | 2176 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@386 | 2177 | check_priv();
|
nkeynes@359 | 2178 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2179 | store_spreg( R_EAX, R_SGR );
|
nkeynes@417 | 2180 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2181 | }
|
nkeynes@359 | 2182 | break;
|
nkeynes@359 | 2183 | case 0x5:
|
nkeynes@359 | 2184 | { /* LDS Rm, FPUL */
|
nkeynes@359 | 2185 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 2186 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2187 | store_spreg( R_EAX, R_FPUL );
|
nkeynes@359 | 2188 | }
|
nkeynes@359 | 2189 | break;
|
nkeynes@359 | 2190 | case 0x6:
|
nkeynes@359 | 2191 | { /* LDS Rm, FPSCR */
|
nkeynes@359 | 2192 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 2193 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2194 | store_spreg( R_EAX, R_FPSCR );
|
nkeynes@386 | 2195 | update_fr_bank( R_EAX );
|
nkeynes@417 | 2196 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2197 | }
|
nkeynes@359 | 2198 | break;
|
nkeynes@359 | 2199 | case 0xF:
|
nkeynes@359 | 2200 | { /* LDC Rm, DBR */
|
nkeynes@359 | 2201 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@386 | 2202 | check_priv();
|
nkeynes@359 | 2203 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2204 | store_spreg( R_EAX, R_DBR );
|
nkeynes@417 | 2205 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2206 | }
|
nkeynes@359 | 2207 | break;
|
nkeynes@359 | 2208 | default:
|
nkeynes@359 | 2209 | UNDEF();
|
nkeynes@359 | 2210 | break;
|
nkeynes@359 | 2211 | }
|
nkeynes@359 | 2212 | break;
|
nkeynes@359 | 2213 | case 0xB:
|
nkeynes@359 | 2214 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 2215 | case 0x0:
|
nkeynes@359 | 2216 | { /* JSR @Rn */
|
nkeynes@359 | 2217 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@374 | 2218 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2219 | SLOTILLEGAL();
|
nkeynes@374 | 2220 | } else {
|
nkeynes@374 | 2221 | load_imm32( R_EAX, pc + 4 );
|
nkeynes@374 | 2222 | store_spreg( R_EAX, R_PR );
|
nkeynes@408 | 2223 | load_reg( R_ECX, Rn );
|
nkeynes@408 | 2224 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 2225 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@526 | 2226 | sh4_translate_instruction(pc+2);
|
nkeynes@408 | 2227 | exit_block_pcset(pc+2);
|
nkeynes@409 | 2228 | sh4_x86.branch_taken = TRUE;
|
nkeynes@408 | 2229 | return 4;
|
nkeynes@374 | 2230 | }
|
nkeynes@359 | 2231 | }
|
nkeynes@359 | 2232 | break;
|
nkeynes@359 | 2233 | case 0x1:
|
nkeynes@359 | 2234 | { /* TAS.B @Rn */
|
nkeynes@359 | 2235 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@361 | 2236 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 2237 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@361 | 2238 | TEST_r8_r8( R_AL, R_AL );
|
nkeynes@361 | 2239 | SETE_t();
|
nkeynes@361 | 2240 | OR_imm8_r8( 0x80, R_AL );
|
nkeynes@386 | 2241 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 2242 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@417 | 2243 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2244 | }
|
nkeynes@359 | 2245 | break;
|
nkeynes@359 | 2246 | case 0x2:
|
nkeynes@359 | 2247 | { /* JMP @Rn */
|
nkeynes@359 | 2248 | uint32_t Rn = ((ir>>8)&0xF);
|
nkeynes@374 | 2249 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2250 | SLOTILLEGAL();
|
nkeynes@374 | 2251 | } else {
|
nkeynes@408 | 2252 | load_reg( R_ECX, Rn );
|
nkeynes@408 | 2253 | store_spreg( R_ECX, REG_OFFSET(pc) );
|
nkeynes@374 | 2254 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@526 | 2255 | sh4_translate_instruction(pc+2);
|
nkeynes@408 | 2256 | exit_block_pcset(pc+2);
|
nkeynes@409 | 2257 | sh4_x86.branch_taken = TRUE;
|
nkeynes@408 | 2258 | return 4;
|
nkeynes@374 | 2259 | }
|
nkeynes@359 | 2260 | }
|
nkeynes@359 | 2261 | break;
|
nkeynes@359 | 2262 | default:
|
nkeynes@359 | 2263 | UNDEF();
|
nkeynes@359 | 2264 | break;
|
nkeynes@359 | 2265 | }
|
nkeynes@359 | 2266 | break;
|
nkeynes@359 | 2267 | case 0xC:
|
nkeynes@359 | 2268 | { /* SHAD Rm, Rn */
|
nkeynes@359 | 2269 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2270 | /* Annoyingly enough, not directly convertible */
|
nkeynes@361 | 2271 | load_reg( R_EAX, Rn );
|
nkeynes@361 | 2272 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 2273 | CMP_imm32_r32( 0, R_ECX );
|
nkeynes@386 | 2274 | JGE_rel8(16, doshl);
|
nkeynes@361 | 2275 |
|
nkeynes@361 | 2276 | NEG_r32( R_ECX ); // 2
|
nkeynes@361 | 2277 | AND_imm8_r8( 0x1F, R_CL ); // 3
|
nkeynes@386 | 2278 | JE_rel8( 4, emptysar); // 2
|
nkeynes@361 | 2279 | SAR_r32_CL( R_EAX ); // 2
|
nkeynes@386 | 2280 | JMP_rel8(10, end); // 2
|
nkeynes@386 | 2281 |
|
nkeynes@386 | 2282 | JMP_TARGET(emptysar);
|
nkeynes@386 | 2283 | SAR_imm8_r32(31, R_EAX ); // 3
|
nkeynes@386 | 2284 | JMP_rel8(5, end2);
|
nkeynes@386 | 2285 |
|
nkeynes@380 | 2286 | JMP_TARGET(doshl);
|
nkeynes@361 | 2287 | AND_imm8_r8( 0x1F, R_CL ); // 3
|
nkeynes@361 | 2288 | SHL_r32_CL( R_EAX ); // 2
|
nkeynes@380 | 2289 | JMP_TARGET(end);
|
nkeynes@386 | 2290 | JMP_TARGET(end2);
|
nkeynes@361 | 2291 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2292 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2293 | }
|
nkeynes@359 | 2294 | break;
|
nkeynes@359 | 2295 | case 0xD:
|
nkeynes@359 | 2296 | { /* SHLD Rm, Rn */
|
nkeynes@359 | 2297 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@368 | 2298 | load_reg( R_EAX, Rn );
|
nkeynes@368 | 2299 | load_reg( R_ECX, Rm );
|
nkeynes@386 | 2300 | CMP_imm32_r32( 0, R_ECX );
|
nkeynes@386 | 2301 | JGE_rel8(15, doshl);
|
nkeynes@368 | 2302 |
|
nkeynes@386 | 2303 | NEG_r32( R_ECX ); // 2
|
nkeynes@386 | 2304 | AND_imm8_r8( 0x1F, R_CL ); // 3
|
nkeynes@386 | 2305 | JE_rel8( 4, emptyshr );
|
nkeynes@386 | 2306 | SHR_r32_CL( R_EAX ); // 2
|
nkeynes@386 | 2307 | JMP_rel8(9, end); // 2
|
nkeynes@386 | 2308 |
|
nkeynes@386 | 2309 | JMP_TARGET(emptyshr);
|
nkeynes@386 | 2310 | XOR_r32_r32( R_EAX, R_EAX );
|
nkeynes@386 | 2311 | JMP_rel8(5, end2);
|
nkeynes@386 | 2312 |
|
nkeynes@386 | 2313 | JMP_TARGET(doshl);
|
nkeynes@386 | 2314 | AND_imm8_r8( 0x1F, R_CL ); // 3
|
nkeynes@386 | 2315 | SHL_r32_CL( R_EAX ); // 2
|
nkeynes@386 | 2316 | JMP_TARGET(end);
|
nkeynes@386 | 2317 | JMP_TARGET(end2);
|
nkeynes@368 | 2318 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2319 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2320 | }
|
nkeynes@359 | 2321 | break;
|
nkeynes@359 | 2322 | case 0xE:
|
nkeynes@359 | 2323 | switch( (ir&0x80) >> 7 ) {
|
nkeynes@359 | 2324 | case 0x0:
|
nkeynes@359 | 2325 | switch( (ir&0x70) >> 4 ) {
|
nkeynes@359 | 2326 | case 0x0:
|
nkeynes@359 | 2327 | { /* LDC Rm, SR */
|
nkeynes@359 | 2328 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@386 | 2329 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@386 | 2330 | SLOTILLEGAL();
|
nkeynes@386 | 2331 | } else {
|
nkeynes@386 | 2332 | check_priv();
|
nkeynes@386 | 2333 | load_reg( R_EAX, Rm );
|
nkeynes@386 | 2334 | call_func1( sh4_write_sr, R_EAX );
|
nkeynes@386 | 2335 | sh4_x86.priv_checked = FALSE;
|
nkeynes@386 | 2336 | sh4_x86.fpuen_checked = FALSE;
|
nkeynes@417 | 2337 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@386 | 2338 | }
|
nkeynes@359 | 2339 | }
|
nkeynes@359 | 2340 | break;
|
nkeynes@359 | 2341 | case 0x1:
|
nkeynes@359 | 2342 | { /* LDC Rm, GBR */
|
nkeynes@359 | 2343 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@359 | 2344 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2345 | store_spreg( R_EAX, R_GBR );
|
nkeynes@359 | 2346 | }
|
nkeynes@359 | 2347 | break;
|
nkeynes@359 | 2348 | case 0x2:
|
nkeynes@359 | 2349 | { /* LDC Rm, VBR */
|
nkeynes@359 | 2350 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@386 | 2351 | check_priv();
|
nkeynes@359 | 2352 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2353 | store_spreg( R_EAX, R_VBR );
|
nkeynes@417 | 2354 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2355 | }
|
nkeynes@359 | 2356 | break;
|
nkeynes@359 | 2357 | case 0x3:
|
nkeynes@359 | 2358 | { /* LDC Rm, SSR */
|
nkeynes@359 | 2359 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@386 | 2360 | check_priv();
|
nkeynes@359 | 2361 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2362 | store_spreg( R_EAX, R_SSR );
|
nkeynes@417 | 2363 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2364 | }
|
nkeynes@359 | 2365 | break;
|
nkeynes@359 | 2366 | case 0x4:
|
nkeynes@359 | 2367 | { /* LDC Rm, SPC */
|
nkeynes@359 | 2368 | uint32_t Rm = ((ir>>8)&0xF);
|
nkeynes@386 | 2369 | check_priv();
|
nkeynes@359 | 2370 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2371 | store_spreg( R_EAX, R_SPC );
|
nkeynes@417 | 2372 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2373 | }
|
nkeynes@359 | 2374 | break;
|
nkeynes@359 | 2375 | default:
|
nkeynes@359 | 2376 | UNDEF();
|
nkeynes@359 | 2377 | break;
|
nkeynes@359 | 2378 | }
|
nkeynes@359 | 2379 | break;
|
nkeynes@359 | 2380 | case 0x1:
|
nkeynes@359 | 2381 | { /* LDC Rm, Rn_BANK */
|
nkeynes@359 | 2382 | uint32_t Rm = ((ir>>8)&0xF); uint32_t Rn_BANK = ((ir>>4)&0x7);
|
nkeynes@386 | 2383 | check_priv();
|
nkeynes@374 | 2384 | load_reg( R_EAX, Rm );
|
nkeynes@374 | 2385 | store_spreg( R_EAX, REG_OFFSET(r_bank[Rn_BANK]) );
|
nkeynes@417 | 2386 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2387 | }
|
nkeynes@359 | 2388 | break;
|
nkeynes@359 | 2389 | }
|
nkeynes@359 | 2390 | break;
|
nkeynes@359 | 2391 | case 0xF:
|
nkeynes@359 | 2392 | { /* MAC.W @Rm+, @Rn+ */
|
nkeynes@359 | 2393 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@386 | 2394 | load_reg( R_ECX, Rm );
|
nkeynes@416 | 2395 | precheck();
|
nkeynes@386 | 2396 | check_ralign16( R_ECX );
|
nkeynes@386 | 2397 | load_reg( R_ECX, Rn );
|
nkeynes@386 | 2398 | check_ralign16( R_ECX );
|
nkeynes@386 | 2399 | ADD_imm8s_sh4r( 2, REG_OFFSET(r[Rn]) );
|
nkeynes@386 | 2400 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@386 | 2401 | PUSH_r32( R_EAX );
|
nkeynes@386 | 2402 | load_reg( R_ECX, Rm );
|
nkeynes@386 | 2403 | ADD_imm8s_sh4r( 2, REG_OFFSET(r[Rm]) );
|
nkeynes@386 | 2404 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@386 | 2405 | POP_r32( R_ECX );
|
nkeynes@386 | 2406 | IMUL_r32( R_ECX );
|
nkeynes@386 | 2407 |
|
nkeynes@386 | 2408 | load_spreg( R_ECX, R_S );
|
nkeynes@386 | 2409 | TEST_r32_r32( R_ECX, R_ECX );
|
nkeynes@386 | 2410 | JE_rel8( 47, nosat );
|
nkeynes@386 | 2411 |
|
nkeynes@386 | 2412 | ADD_r32_sh4r( R_EAX, R_MACL ); // 6
|
nkeynes@386 | 2413 | JNO_rel8( 51, end ); // 2
|
nkeynes@386 | 2414 | load_imm32( R_EDX, 1 ); // 5
|
nkeynes@386 | 2415 | store_spreg( R_EDX, R_MACH ); // 6
|
nkeynes@386 | 2416 | JS_rel8( 13, positive ); // 2
|
nkeynes@386 | 2417 | load_imm32( R_EAX, 0x80000000 );// 5
|
nkeynes@386 | 2418 | store_spreg( R_EAX, R_MACL ); // 6
|
nkeynes@386 | 2419 | JMP_rel8( 25, end2 ); // 2
|
nkeynes@386 | 2420 |
|
nkeynes@386 | 2421 | JMP_TARGET(positive);
|
nkeynes@386 | 2422 | load_imm32( R_EAX, 0x7FFFFFFF );// 5
|
nkeynes@386 | 2423 | store_spreg( R_EAX, R_MACL ); // 6
|
nkeynes@386 | 2424 | JMP_rel8( 12, end3); // 2
|
nkeynes@386 | 2425 |
|
nkeynes@386 | 2426 | JMP_TARGET(nosat);
|
nkeynes@386 | 2427 | ADD_r32_sh4r( R_EAX, R_MACL ); // 6
|
nkeynes@386 | 2428 | ADC_r32_sh4r( R_EDX, R_MACH ); // 6
|
nkeynes@386 | 2429 | JMP_TARGET(end);
|
nkeynes@386 | 2430 | JMP_TARGET(end2);
|
nkeynes@386 | 2431 | JMP_TARGET(end3);
|
nkeynes@417 | 2432 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2433 | }
|
nkeynes@359 | 2434 | break;
|
nkeynes@359 | 2435 | }
|
nkeynes@359 | 2436 | break;
|
nkeynes@359 | 2437 | case 0x5:
|
nkeynes@359 | 2438 | { /* MOV.L @(disp, Rm), Rn */
|
nkeynes@359 | 2439 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<2;
|
nkeynes@361 | 2440 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 2441 | ADD_imm8s_r32( disp, R_ECX );
|
nkeynes@416 | 2442 | precheck();
|
nkeynes@374 | 2443 | check_ralign32( R_ECX );
|
nkeynes@361 | 2444 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 2445 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2446 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2447 | }
|
nkeynes@359 | 2448 | break;
|
nkeynes@359 | 2449 | case 0x6:
|
nkeynes@359 | 2450 | switch( ir&0xF ) {
|
nkeynes@359 | 2451 | case 0x0:
|
nkeynes@359 | 2452 | { /* MOV.B @Rm, Rn */
|
nkeynes@359 | 2453 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2454 | load_reg( R_ECX, Rm );
|
nkeynes@359 | 2455 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@386 | 2456 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2457 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2458 | }
|
nkeynes@359 | 2459 | break;
|
nkeynes@359 | 2460 | case 0x1:
|
nkeynes@359 | 2461 | { /* MOV.W @Rm, Rn */
|
nkeynes@359 | 2462 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 2463 | load_reg( R_ECX, Rm );
|
nkeynes@416 | 2464 | precheck();
|
nkeynes@374 | 2465 | check_ralign16( R_ECX );
|
nkeynes@361 | 2466 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 2467 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2468 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2469 | }
|
nkeynes@359 | 2470 | break;
|
nkeynes@359 | 2471 | case 0x2:
|
nkeynes@359 | 2472 | { /* MOV.L @Rm, Rn */
|
nkeynes@359 | 2473 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 2474 | load_reg( R_ECX, Rm );
|
nkeynes@416 | 2475 | precheck();
|
nkeynes@374 | 2476 | check_ralign32( R_ECX );
|
nkeynes@361 | 2477 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 2478 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2479 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2480 | }
|
nkeynes@359 | 2481 | break;
|
nkeynes@359 | 2482 | case 0x3:
|
nkeynes@359 | 2483 | { /* MOV Rm, Rn */
|
nkeynes@359 | 2484 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2485 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2486 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2487 | }
|
nkeynes@359 | 2488 | break;
|
nkeynes@359 | 2489 | case 0x4:
|
nkeynes@359 | 2490 | { /* MOV.B @Rm+, Rn */
|
nkeynes@359 | 2491 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2492 | load_reg( R_ECX, Rm );
|
nkeynes@359 | 2493 | MOV_r32_r32( R_ECX, R_EAX );
|
nkeynes@359 | 2494 | ADD_imm8s_r32( 1, R_EAX );
|
nkeynes@359 | 2495 | store_reg( R_EAX, Rm );
|
nkeynes@359 | 2496 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 2497 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2498 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2499 | }
|
nkeynes@359 | 2500 | break;
|
nkeynes@359 | 2501 | case 0x5:
|
nkeynes@359 | 2502 | { /* MOV.W @Rm+, Rn */
|
nkeynes@359 | 2503 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 2504 | load_reg( R_EAX, Rm );
|
nkeynes@416 | 2505 | precheck();
|
nkeynes@374 | 2506 | check_ralign16( R_EAX );
|
nkeynes@361 | 2507 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@361 | 2508 | ADD_imm8s_r32( 2, R_EAX );
|
nkeynes@361 | 2509 | store_reg( R_EAX, Rm );
|
nkeynes@361 | 2510 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 2511 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2512 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2513 | }
|
nkeynes@359 | 2514 | break;
|
nkeynes@359 | 2515 | case 0x6:
|
nkeynes@359 | 2516 | { /* MOV.L @Rm+, Rn */
|
nkeynes@359 | 2517 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 2518 | load_reg( R_EAX, Rm );
|
nkeynes@416 | 2519 | precheck();
|
nkeynes@386 | 2520 | check_ralign32( R_EAX );
|
nkeynes@361 | 2521 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@361 | 2522 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@361 | 2523 | store_reg( R_EAX, Rm );
|
nkeynes@361 | 2524 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 2525 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2526 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2527 | }
|
nkeynes@359 | 2528 | break;
|
nkeynes@359 | 2529 | case 0x7:
|
nkeynes@359 | 2530 | { /* NOT Rm, Rn */
|
nkeynes@359 | 2531 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2532 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2533 | NOT_r32( R_EAX );
|
nkeynes@359 | 2534 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2535 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2536 | }
|
nkeynes@359 | 2537 | break;
|
nkeynes@359 | 2538 | case 0x8:
|
nkeynes@359 | 2539 | { /* SWAP.B Rm, Rn */
|
nkeynes@359 | 2540 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2541 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2542 | XCHG_r8_r8( R_AL, R_AH );
|
nkeynes@359 | 2543 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2544 | }
|
nkeynes@359 | 2545 | break;
|
nkeynes@359 | 2546 | case 0x9:
|
nkeynes@359 | 2547 | { /* SWAP.W Rm, Rn */
|
nkeynes@359 | 2548 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2549 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2550 | MOV_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2551 | SHL_imm8_r32( 16, R_ECX );
|
nkeynes@359 | 2552 | SHR_imm8_r32( 16, R_EAX );
|
nkeynes@359 | 2553 | OR_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2554 | store_reg( R_ECX, Rn );
|
nkeynes@417 | 2555 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2556 | }
|
nkeynes@359 | 2557 | break;
|
nkeynes@359 | 2558 | case 0xA:
|
nkeynes@359 | 2559 | { /* NEGC Rm, Rn */
|
nkeynes@359 | 2560 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2561 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2562 | XOR_r32_r32( R_ECX, R_ECX );
|
nkeynes@359 | 2563 | LDC_t();
|
nkeynes@359 | 2564 | SBB_r32_r32( R_EAX, R_ECX );
|
nkeynes@359 | 2565 | store_reg( R_ECX, Rn );
|
nkeynes@359 | 2566 | SETC_t();
|
nkeynes@417 | 2567 | sh4_x86.tstate = TSTATE_C;
|
nkeynes@359 | 2568 | }
|
nkeynes@359 | 2569 | break;
|
nkeynes@359 | 2570 | case 0xB:
|
nkeynes@359 | 2571 | { /* NEG Rm, Rn */
|
nkeynes@359 | 2572 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2573 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2574 | NEG_r32( R_EAX );
|
nkeynes@359 | 2575 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2576 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2577 | }
|
nkeynes@359 | 2578 | break;
|
nkeynes@359 | 2579 | case 0xC:
|
nkeynes@359 | 2580 | { /* EXTU.B Rm, Rn */
|
nkeynes@359 | 2581 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 2582 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 2583 | MOVZX_r8_r32( R_EAX, R_EAX );
|
nkeynes@361 | 2584 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2585 | }
|
nkeynes@359 | 2586 | break;
|
nkeynes@359 | 2587 | case 0xD:
|
nkeynes@359 | 2588 | { /* EXTU.W Rm, Rn */
|
nkeynes@359 | 2589 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 2590 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 2591 | MOVZX_r16_r32( R_EAX, R_EAX );
|
nkeynes@361 | 2592 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2593 | }
|
nkeynes@359 | 2594 | break;
|
nkeynes@359 | 2595 | case 0xE:
|
nkeynes@359 | 2596 | { /* EXTS.B Rm, Rn */
|
nkeynes@359 | 2597 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@359 | 2598 | load_reg( R_EAX, Rm );
|
nkeynes@359 | 2599 | MOVSX_r8_r32( R_EAX, R_EAX );
|
nkeynes@359 | 2600 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2601 | }
|
nkeynes@359 | 2602 | break;
|
nkeynes@359 | 2603 | case 0xF:
|
nkeynes@359 | 2604 | { /* EXTS.W Rm, Rn */
|
nkeynes@359 | 2605 | uint32_t Rn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@361 | 2606 | load_reg( R_EAX, Rm );
|
nkeynes@361 | 2607 | MOVSX_r16_r32( R_EAX, R_EAX );
|
nkeynes@361 | 2608 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 2609 | }
|
nkeynes@359 | 2610 | break;
|
nkeynes@359 | 2611 | }
|
nkeynes@359 | 2612 | break;
|
nkeynes@359 | 2613 | case 0x7:
|
nkeynes@359 | 2614 | { /* ADD #imm, Rn */
|
nkeynes@359 | 2615 | uint32_t Rn = ((ir>>8)&0xF); int32_t imm = SIGNEXT8(ir&0xFF);
|
nkeynes@359 | 2616 | load_reg( R_EAX, Rn );
|
nkeynes@359 | 2617 | ADD_imm8s_r32( imm, R_EAX );
|
nkeynes@359 | 2618 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2619 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2620 | }
|
nkeynes@359 | 2621 | break;
|
nkeynes@359 | 2622 | case 0x8:
|
nkeynes@359 | 2623 | switch( (ir&0xF00) >> 8 ) {
|
nkeynes@359 | 2624 | case 0x0:
|
nkeynes@359 | 2625 | { /* MOV.B R0, @(disp, Rn) */
|
nkeynes@359 | 2626 | uint32_t Rn = ((ir>>4)&0xF); uint32_t disp = (ir&0xF);
|
nkeynes@359 | 2627 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 2628 | load_reg( R_ECX, Rn );
|
nkeynes@359 | 2629 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@359 | 2630 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@417 | 2631 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2632 | }
|
nkeynes@359 | 2633 | break;
|
nkeynes@359 | 2634 | case 0x1:
|
nkeynes@359 | 2635 | { /* MOV.W R0, @(disp, Rn) */
|
nkeynes@359 | 2636 | uint32_t Rn = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<1;
|
nkeynes@361 | 2637 | load_reg( R_ECX, Rn );
|
nkeynes@361 | 2638 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 2639 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@416 | 2640 | precheck();
|
nkeynes@374 | 2641 | check_walign16( R_ECX );
|
nkeynes@361 | 2642 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@417 | 2643 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2644 | }
|
nkeynes@359 | 2645 | break;
|
nkeynes@359 | 2646 | case 0x4:
|
nkeynes@359 | 2647 | { /* MOV.B @(disp, Rm), R0 */
|
nkeynes@359 | 2648 | uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF);
|
nkeynes@359 | 2649 | load_reg( R_ECX, Rm );
|
nkeynes@359 | 2650 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@359 | 2651 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 2652 | store_reg( R_EAX, 0 );
|
nkeynes@417 | 2653 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2654 | }
|
nkeynes@359 | 2655 | break;
|
nkeynes@359 | 2656 | case 0x5:
|
nkeynes@359 | 2657 | { /* MOV.W @(disp, Rm), R0 */
|
nkeynes@359 | 2658 | uint32_t Rm = ((ir>>4)&0xF); uint32_t disp = (ir&0xF)<<1;
|
nkeynes@361 | 2659 | load_reg( R_ECX, Rm );
|
nkeynes@361 | 2660 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@416 | 2661 | precheck();
|
nkeynes@374 | 2662 | check_ralign16( R_ECX );
|
nkeynes@361 | 2663 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 2664 | store_reg( R_EAX, 0 );
|
nkeynes@417 | 2665 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2666 | }
|
nkeynes@359 | 2667 | break;
|
nkeynes@359 | 2668 | case 0x8:
|
nkeynes@359 | 2669 | { /* CMP/EQ #imm, R0 */
|
nkeynes@359 | 2670 | int32_t imm = SIGNEXT8(ir&0xFF);
|
nkeynes@359 | 2671 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 2672 | CMP_imm8s_r32(imm, R_EAX);
|
nkeynes@359 | 2673 | SETE_t();
|
nkeynes@417 | 2674 | sh4_x86.tstate = TSTATE_E;
|
nkeynes@359 | 2675 | }
|
nkeynes@359 | 2676 | break;
|
nkeynes@359 | 2677 | case 0x9:
|
nkeynes@359 | 2678 | { /* BT disp */
|
nkeynes@359 | 2679 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
nkeynes@374 | 2680 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2681 | SLOTILLEGAL();
|
nkeynes@374 | 2682 | } else {
|
nkeynes@527 | 2683 | JF_rel8( EXIT_BLOCK_SIZE, nottaken );
|
nkeynes@408 | 2684 | exit_block( disp + pc + 4, pc+2 );
|
nkeynes@380 | 2685 | JMP_TARGET(nottaken);
|
nkeynes@408 | 2686 | return 2;
|
nkeynes@374 | 2687 | }
|
nkeynes@359 | 2688 | }
|
nkeynes@359 | 2689 | break;
|
nkeynes@359 | 2690 | case 0xB:
|
nkeynes@359 | 2691 | { /* BF disp */
|
nkeynes@359 | 2692 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
nkeynes@374 | 2693 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2694 | SLOTILLEGAL();
|
nkeynes@374 | 2695 | } else {
|
nkeynes@527 | 2696 | JT_rel8( EXIT_BLOCK_SIZE, nottaken );
|
nkeynes@408 | 2697 | exit_block( disp + pc + 4, pc+2 );
|
nkeynes@380 | 2698 | JMP_TARGET(nottaken);
|
nkeynes@408 | 2699 | return 2;
|
nkeynes@374 | 2700 | }
|
nkeynes@359 | 2701 | }
|
nkeynes@359 | 2702 | break;
|
nkeynes@359 | 2703 | case 0xD:
|
nkeynes@359 | 2704 | { /* BT/S disp */
|
nkeynes@359 | 2705 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
nkeynes@374 | 2706 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2707 | SLOTILLEGAL();
|
nkeynes@374 | 2708 | } else {
|
nkeynes@408 | 2709 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@417 | 2710 | if( sh4_x86.tstate == TSTATE_NONE ) {
|
nkeynes@417 | 2711 | CMP_imm8s_sh4r( 1, R_T );
|
nkeynes@417 | 2712 | sh4_x86.tstate = TSTATE_E;
|
nkeynes@417 | 2713 | }
|
nkeynes@417 | 2714 | OP(0x0F); OP(0x80+(sh4_x86.tstate^1)); uint32_t *patch = (uint32_t *)xlat_output; OP32(0); // JE rel32
|
nkeynes@526 | 2715 | sh4_translate_instruction(pc+2);
|
nkeynes@408 | 2716 | exit_block( disp + pc + 4, pc+4 );
|
nkeynes@408 | 2717 | // not taken
|
nkeynes@408 | 2718 | *patch = (xlat_output - ((uint8_t *)patch)) - 4;
|
nkeynes@526 | 2719 | sh4_translate_instruction(pc+2);
|
nkeynes@408 | 2720 | return 4;
|
nkeynes@374 | 2721 | }
|
nkeynes@359 | 2722 | }
|
nkeynes@359 | 2723 | break;
|
nkeynes@359 | 2724 | case 0xF:
|
nkeynes@359 | 2725 | { /* BF/S disp */
|
nkeynes@359 | 2726 | int32_t disp = SIGNEXT8(ir&0xFF)<<1;
|
nkeynes@374 | 2727 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2728 | SLOTILLEGAL();
|
nkeynes@374 | 2729 | } else {
|
nkeynes@408 | 2730 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@417 | 2731 | if( sh4_x86.tstate == TSTATE_NONE ) {
|
nkeynes@417 | 2732 | CMP_imm8s_sh4r( 1, R_T );
|
nkeynes@417 | 2733 | sh4_x86.tstate = TSTATE_E;
|
nkeynes@417 | 2734 | }
|
nkeynes@417 | 2735 | OP(0x0F); OP(0x80+sh4_x86.tstate); uint32_t *patch = (uint32_t *)xlat_output; OP32(0); // JNE rel32
|
nkeynes@526 | 2736 | sh4_translate_instruction(pc+2);
|
nkeynes@408 | 2737 | exit_block( disp + pc + 4, pc+4 );
|
nkeynes@408 | 2738 | // not taken
|
nkeynes@408 | 2739 | *patch = (xlat_output - ((uint8_t *)patch)) - 4;
|
nkeynes@526 | 2740 | sh4_translate_instruction(pc+2);
|
nkeynes@408 | 2741 | return 4;
|
nkeynes@374 | 2742 | }
|
nkeynes@359 | 2743 | }
|
nkeynes@359 | 2744 | break;
|
nkeynes@359 | 2745 | default:
|
nkeynes@359 | 2746 | UNDEF();
|
nkeynes@359 | 2747 | break;
|
nkeynes@359 | 2748 | }
|
nkeynes@359 | 2749 | break;
|
nkeynes@359 | 2750 | case 0x9:
|
nkeynes@359 | 2751 | { /* MOV.W @(disp, PC), Rn */
|
nkeynes@359 | 2752 | uint32_t Rn = ((ir>>8)&0xF); uint32_t disp = (ir&0xFF)<<1;
|
nkeynes@374 | 2753 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2754 | SLOTILLEGAL();
|
nkeynes@374 | 2755 | } else {
|
nkeynes@374 | 2756 | load_imm32( R_ECX, pc + disp + 4 );
|
nkeynes@374 | 2757 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@374 | 2758 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2759 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@374 | 2760 | }
|
nkeynes@359 | 2761 | }
|
nkeynes@359 | 2762 | break;
|
nkeynes@359 | 2763 | case 0xA:
|
nkeynes@359 | 2764 | { /* BRA disp */
|
nkeynes@359 | 2765 | int32_t disp = SIGNEXT12(ir&0xFFF)<<1;
|
nkeynes@374 | 2766 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2767 | SLOTILLEGAL();
|
nkeynes@374 | 2768 | } else {
|
nkeynes@374 | 2769 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@526 | 2770 | sh4_translate_instruction( pc + 2 );
|
nkeynes@408 | 2771 | exit_block( disp + pc + 4, pc+4 );
|
nkeynes@409 | 2772 | sh4_x86.branch_taken = TRUE;
|
nkeynes@408 | 2773 | return 4;
|
nkeynes@374 | 2774 | }
|
nkeynes@359 | 2775 | }
|
nkeynes@359 | 2776 | break;
|
nkeynes@359 | 2777 | case 0xB:
|
nkeynes@359 | 2778 | { /* BSR disp */
|
nkeynes@359 | 2779 | int32_t disp = SIGNEXT12(ir&0xFFF)<<1;
|
nkeynes@374 | 2780 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2781 | SLOTILLEGAL();
|
nkeynes@374 | 2782 | } else {
|
nkeynes@374 | 2783 | load_imm32( R_EAX, pc + 4 );
|
nkeynes@374 | 2784 | store_spreg( R_EAX, R_PR );
|
nkeynes@374 | 2785 | sh4_x86.in_delay_slot = TRUE;
|
nkeynes@526 | 2786 | sh4_translate_instruction( pc + 2 );
|
nkeynes@408 | 2787 | exit_block( disp + pc + 4, pc+4 );
|
nkeynes@409 | 2788 | sh4_x86.branch_taken = TRUE;
|
nkeynes@408 | 2789 | return 4;
|
nkeynes@374 | 2790 | }
|
nkeynes@359 | 2791 | }
|
nkeynes@359 | 2792 | break;
|
nkeynes@359 | 2793 | case 0xC:
|
nkeynes@359 | 2794 | switch( (ir&0xF00) >> 8 ) {
|
nkeynes@359 | 2795 | case 0x0:
|
nkeynes@359 | 2796 | { /* MOV.B R0, @(disp, GBR) */
|
nkeynes@359 | 2797 | uint32_t disp = (ir&0xFF);
|
nkeynes@359 | 2798 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 2799 | load_spreg( R_ECX, R_GBR );
|
nkeynes@359 | 2800 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@359 | 2801 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@417 | 2802 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2803 | }
|
nkeynes@359 | 2804 | break;
|
nkeynes@359 | 2805 | case 0x1:
|
nkeynes@359 | 2806 | { /* MOV.W R0, @(disp, GBR) */
|
nkeynes@359 | 2807 | uint32_t disp = (ir&0xFF)<<1;
|
nkeynes@361 | 2808 | load_spreg( R_ECX, R_GBR );
|
nkeynes@361 | 2809 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 2810 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@416 | 2811 | precheck();
|
nkeynes@374 | 2812 | check_walign16( R_ECX );
|
nkeynes@361 | 2813 | MEM_WRITE_WORD( R_ECX, R_EAX );
|
nkeynes@417 | 2814 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2815 | }
|
nkeynes@359 | 2816 | break;
|
nkeynes@359 | 2817 | case 0x2:
|
nkeynes@359 | 2818 | { /* MOV.L R0, @(disp, GBR) */
|
nkeynes@359 | 2819 | uint32_t disp = (ir&0xFF)<<2;
|
nkeynes@361 | 2820 | load_spreg( R_ECX, R_GBR );
|
nkeynes@361 | 2821 | load_reg( R_EAX, 0 );
|
nkeynes@361 | 2822 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@416 | 2823 | precheck();
|
nkeynes@374 | 2824 | check_walign32( R_ECX );
|
nkeynes@361 | 2825 | MEM_WRITE_LONG( R_ECX, R_EAX );
|
nkeynes@417 | 2826 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2827 | }
|
nkeynes@359 | 2828 | break;
|
nkeynes@359 | 2829 | case 0x3:
|
nkeynes@359 | 2830 | { /* TRAPA #imm */
|
nkeynes@359 | 2831 | uint32_t imm = (ir&0xFF);
|
nkeynes@374 | 2832 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2833 | SLOTILLEGAL();
|
nkeynes@374 | 2834 | } else {
|
nkeynes@527 | 2835 | load_imm32( R_EAX, imm );
|
nkeynes@527 | 2836 | call_func1( sh4_raise_trap, R_EAX );
|
nkeynes@388 | 2837 | ADD_imm8s_r32( 4, R_ESP );
|
nkeynes@417 | 2838 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@408 | 2839 | exit_block_pcset(pc);
|
nkeynes@409 | 2840 | sh4_x86.branch_taken = TRUE;
|
nkeynes@408 | 2841 | return 2;
|
nkeynes@374 | 2842 | }
|
nkeynes@359 | 2843 | }
|
nkeynes@359 | 2844 | break;
|
nkeynes@359 | 2845 | case 0x4:
|
nkeynes@359 | 2846 | { /* MOV.B @(disp, GBR), R0 */
|
nkeynes@359 | 2847 | uint32_t disp = (ir&0xFF);
|
nkeynes@359 | 2848 | load_spreg( R_ECX, R_GBR );
|
nkeynes@359 | 2849 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@359 | 2850 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@359 | 2851 | store_reg( R_EAX, 0 );
|
nkeynes@417 | 2852 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2853 | }
|
nkeynes@359 | 2854 | break;
|
nkeynes@359 | 2855 | case 0x5:
|
nkeynes@359 | 2856 | { /* MOV.W @(disp, GBR), R0 */
|
nkeynes@359 | 2857 | uint32_t disp = (ir&0xFF)<<1;
|
nkeynes@361 | 2858 | load_spreg( R_ECX, R_GBR );
|
nkeynes@361 | 2859 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@416 | 2860 | precheck();
|
nkeynes@374 | 2861 | check_ralign16( R_ECX );
|
nkeynes@361 | 2862 | MEM_READ_WORD( R_ECX, R_EAX );
|
nkeynes@361 | 2863 | store_reg( R_EAX, 0 );
|
nkeynes@417 | 2864 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2865 | }
|
nkeynes@359 | 2866 | break;
|
nkeynes@359 | 2867 | case 0x6:
|
nkeynes@359 | 2868 | { /* MOV.L @(disp, GBR), R0 */
|
nkeynes@359 | 2869 | uint32_t disp = (ir&0xFF)<<2;
|
nkeynes@361 | 2870 | load_spreg( R_ECX, R_GBR );
|
nkeynes@361 | 2871 | ADD_imm32_r32( disp, R_ECX );
|
nkeynes@416 | 2872 | precheck();
|
nkeynes@374 | 2873 | check_ralign32( R_ECX );
|
nkeynes@361 | 2874 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@361 | 2875 | store_reg( R_EAX, 0 );
|
nkeynes@417 | 2876 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2877 | }
|
nkeynes@359 | 2878 | break;
|
nkeynes@359 | 2879 | case 0x7:
|
nkeynes@359 | 2880 | { /* MOVA @(disp, PC), R0 */
|
nkeynes@359 | 2881 | uint32_t disp = (ir&0xFF)<<2;
|
nkeynes@374 | 2882 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2883 | SLOTILLEGAL();
|
nkeynes@374 | 2884 | } else {
|
nkeynes@374 | 2885 | load_imm32( R_ECX, (pc & 0xFFFFFFFC) + disp + 4 );
|
nkeynes@374 | 2886 | store_reg( R_ECX, 0 );
|
nkeynes@374 | 2887 | }
|
nkeynes@359 | 2888 | }
|
nkeynes@359 | 2889 | break;
|
nkeynes@359 | 2890 | case 0x8:
|
nkeynes@359 | 2891 | { /* TST #imm, R0 */
|
nkeynes@359 | 2892 | uint32_t imm = (ir&0xFF);
|
nkeynes@368 | 2893 | load_reg( R_EAX, 0 );
|
nkeynes@368 | 2894 | TEST_imm32_r32( imm, R_EAX );
|
nkeynes@368 | 2895 | SETE_t();
|
nkeynes@417 | 2896 | sh4_x86.tstate = TSTATE_E;
|
nkeynes@359 | 2897 | }
|
nkeynes@359 | 2898 | break;
|
nkeynes@359 | 2899 | case 0x9:
|
nkeynes@359 | 2900 | { /* AND #imm, R0 */
|
nkeynes@359 | 2901 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 2902 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 2903 | AND_imm32_r32(imm, R_EAX);
|
nkeynes@359 | 2904 | store_reg( R_EAX, 0 );
|
nkeynes@417 | 2905 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2906 | }
|
nkeynes@359 | 2907 | break;
|
nkeynes@359 | 2908 | case 0xA:
|
nkeynes@359 | 2909 | { /* XOR #imm, R0 */
|
nkeynes@359 | 2910 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 2911 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 2912 | XOR_imm32_r32( imm, R_EAX );
|
nkeynes@359 | 2913 | store_reg( R_EAX, 0 );
|
nkeynes@417 | 2914 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2915 | }
|
nkeynes@359 | 2916 | break;
|
nkeynes@359 | 2917 | case 0xB:
|
nkeynes@359 | 2918 | { /* OR #imm, R0 */
|
nkeynes@359 | 2919 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 2920 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 2921 | OR_imm32_r32(imm, R_EAX);
|
nkeynes@359 | 2922 | store_reg( R_EAX, 0 );
|
nkeynes@417 | 2923 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2924 | }
|
nkeynes@359 | 2925 | break;
|
nkeynes@359 | 2926 | case 0xC:
|
nkeynes@359 | 2927 | { /* TST.B #imm, @(R0, GBR) */
|
nkeynes@359 | 2928 | uint32_t imm = (ir&0xFF);
|
nkeynes@368 | 2929 | load_reg( R_EAX, 0);
|
nkeynes@368 | 2930 | load_reg( R_ECX, R_GBR);
|
nkeynes@368 | 2931 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@368 | 2932 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@394 | 2933 | TEST_imm8_r8( imm, R_AL );
|
nkeynes@368 | 2934 | SETE_t();
|
nkeynes@417 | 2935 | sh4_x86.tstate = TSTATE_E;
|
nkeynes@359 | 2936 | }
|
nkeynes@359 | 2937 | break;
|
nkeynes@359 | 2938 | case 0xD:
|
nkeynes@359 | 2939 | { /* AND.B #imm, @(R0, GBR) */
|
nkeynes@359 | 2940 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 2941 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 2942 | load_spreg( R_ECX, R_GBR );
|
nkeynes@374 | 2943 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 2944 | PUSH_r32(R_ECX);
|
nkeynes@527 | 2945 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@386 | 2946 | POP_r32(R_ECX);
|
nkeynes@386 | 2947 | AND_imm32_r32(imm, R_EAX );
|
nkeynes@359 | 2948 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@417 | 2949 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2950 | }
|
nkeynes@359 | 2951 | break;
|
nkeynes@359 | 2952 | case 0xE:
|
nkeynes@359 | 2953 | { /* XOR.B #imm, @(R0, GBR) */
|
nkeynes@359 | 2954 | uint32_t imm = (ir&0xFF);
|
nkeynes@359 | 2955 | load_reg( R_EAX, 0 );
|
nkeynes@359 | 2956 | load_spreg( R_ECX, R_GBR );
|
nkeynes@359 | 2957 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 2958 | PUSH_r32(R_ECX);
|
nkeynes@527 | 2959 | MEM_READ_BYTE(R_ECX, R_EAX);
|
nkeynes@386 | 2960 | POP_r32(R_ECX);
|
nkeynes@359 | 2961 | XOR_imm32_r32( imm, R_EAX );
|
nkeynes@359 | 2962 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@417 | 2963 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2964 | }
|
nkeynes@359 | 2965 | break;
|
nkeynes@359 | 2966 | case 0xF:
|
nkeynes@359 | 2967 | { /* OR.B #imm, @(R0, GBR) */
|
nkeynes@359 | 2968 | uint32_t imm = (ir&0xFF);
|
nkeynes@374 | 2969 | load_reg( R_EAX, 0 );
|
nkeynes@374 | 2970 | load_spreg( R_ECX, R_GBR );
|
nkeynes@374 | 2971 | ADD_r32_r32( R_EAX, R_ECX );
|
nkeynes@386 | 2972 | PUSH_r32(R_ECX);
|
nkeynes@527 | 2973 | MEM_READ_BYTE( R_ECX, R_EAX );
|
nkeynes@386 | 2974 | POP_r32(R_ECX);
|
nkeynes@386 | 2975 | OR_imm32_r32(imm, R_EAX );
|
nkeynes@374 | 2976 | MEM_WRITE_BYTE( R_ECX, R_EAX );
|
nkeynes@417 | 2977 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 2978 | }
|
nkeynes@359 | 2979 | break;
|
nkeynes@359 | 2980 | }
|
nkeynes@359 | 2981 | break;
|
nkeynes@359 | 2982 | case 0xD:
|
nkeynes@359 | 2983 | { /* MOV.L @(disp, PC), Rn */
|
nkeynes@359 | 2984 | uint32_t Rn = ((ir>>8)&0xF); uint32_t disp = (ir&0xFF)<<2;
|
nkeynes@374 | 2985 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@374 | 2986 | SLOTILLEGAL();
|
nkeynes@374 | 2987 | } else {
|
nkeynes@388 | 2988 | uint32_t target = (pc & 0xFFFFFFFC) + disp + 4;
|
nkeynes@502 | 2989 | sh4ptr_t ptr = mem_get_region(target);
|
nkeynes@388 | 2990 | if( ptr != NULL ) {
|
nkeynes@527 | 2991 | MOV_moff32_EAX( ptr );
|
nkeynes@388 | 2992 | } else {
|
nkeynes@388 | 2993 | load_imm32( R_ECX, target );
|
nkeynes@388 | 2994 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@388 | 2995 | }
|
nkeynes@386 | 2996 | store_reg( R_EAX, Rn );
|
nkeynes@417 | 2997 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@374 | 2998 | }
|
nkeynes@359 | 2999 | }
|
nkeynes@359 | 3000 | break;
|
nkeynes@359 | 3001 | case 0xE:
|
nkeynes@359 | 3002 | { /* MOV #imm, Rn */
|
nkeynes@359 | 3003 | uint32_t Rn = ((ir>>8)&0xF); int32_t imm = SIGNEXT8(ir&0xFF);
|
nkeynes@359 | 3004 | load_imm32( R_EAX, imm );
|
nkeynes@359 | 3005 | store_reg( R_EAX, Rn );
|
nkeynes@359 | 3006 | }
|
nkeynes@359 | 3007 | break;
|
nkeynes@359 | 3008 | case 0xF:
|
nkeynes@359 | 3009 | switch( ir&0xF ) {
|
nkeynes@359 | 3010 | case 0x0:
|
nkeynes@359 | 3011 | { /* FADD FRm, FRn */
|
nkeynes@359 | 3012 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@377 | 3013 | check_fpuen();
|
nkeynes@377 | 3014 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3015 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 3016 | load_fr_bank( R_EDX );
|
nkeynes@380 | 3017 | JNE_rel8(13,doubleprec);
|
nkeynes@377 | 3018 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 3019 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 3020 | FADDP_st(1);
|
nkeynes@377 | 3021 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 3022 | JMP_rel8(11,end);
|
nkeynes@380 | 3023 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3024 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 3025 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 3026 | FADDP_st(1);
|
nkeynes@377 | 3027 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 3028 | JMP_TARGET(end);
|
nkeynes@417 | 3029 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3030 | }
|
nkeynes@359 | 3031 | break;
|
nkeynes@359 | 3032 | case 0x1:
|
nkeynes@359 | 3033 | { /* FSUB FRm, FRn */
|
nkeynes@359 | 3034 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@377 | 3035 | check_fpuen();
|
nkeynes@377 | 3036 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3037 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 3038 | load_fr_bank( R_EDX );
|
nkeynes@380 | 3039 | JNE_rel8(13, doubleprec);
|
nkeynes@377 | 3040 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 3041 | push_fr(R_EDX, FRm);
|
nkeynes@388 | 3042 | FSUBP_st(1);
|
nkeynes@377 | 3043 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 3044 | JMP_rel8(11, end);
|
nkeynes@380 | 3045 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3046 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 3047 | push_dr(R_EDX, FRm);
|
nkeynes@388 | 3048 | FSUBP_st(1);
|
nkeynes@377 | 3049 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 3050 | JMP_TARGET(end);
|
nkeynes@417 | 3051 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3052 | }
|
nkeynes@359 | 3053 | break;
|
nkeynes@359 | 3054 | case 0x2:
|
nkeynes@359 | 3055 | { /* FMUL FRm, FRn */
|
nkeynes@359 | 3056 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@377 | 3057 | check_fpuen();
|
nkeynes@377 | 3058 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3059 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 3060 | load_fr_bank( R_EDX );
|
nkeynes@380 | 3061 | JNE_rel8(13, doubleprec);
|
nkeynes@377 | 3062 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 3063 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 3064 | FMULP_st(1);
|
nkeynes@377 | 3065 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 3066 | JMP_rel8(11, end);
|
nkeynes@380 | 3067 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3068 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 3069 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 3070 | FMULP_st(1);
|
nkeynes@377 | 3071 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 3072 | JMP_TARGET(end);
|
nkeynes@417 | 3073 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3074 | }
|
nkeynes@359 | 3075 | break;
|
nkeynes@359 | 3076 | case 0x3:
|
nkeynes@359 | 3077 | { /* FDIV FRm, FRn */
|
nkeynes@359 | 3078 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@377 | 3079 | check_fpuen();
|
nkeynes@377 | 3080 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3081 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 3082 | load_fr_bank( R_EDX );
|
nkeynes@380 | 3083 | JNE_rel8(13, doubleprec);
|
nkeynes@377 | 3084 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 3085 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 3086 | FDIVP_st(1);
|
nkeynes@377 | 3087 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 3088 | JMP_rel8(11, end);
|
nkeynes@380 | 3089 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3090 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 3091 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 3092 | FDIVP_st(1);
|
nkeynes@377 | 3093 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 3094 | JMP_TARGET(end);
|
nkeynes@417 | 3095 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3096 | }
|
nkeynes@359 | 3097 | break;
|
nkeynes@359 | 3098 | case 0x4:
|
nkeynes@359 | 3099 | { /* FCMP/EQ FRm, FRn */
|
nkeynes@359 | 3100 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@377 | 3101 | check_fpuen();
|
nkeynes@377 | 3102 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3103 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 3104 | load_fr_bank( R_EDX );
|
nkeynes@380 | 3105 | JNE_rel8(8, doubleprec);
|
nkeynes@377 | 3106 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 3107 | push_fr(R_EDX, FRn);
|
nkeynes@380 | 3108 | JMP_rel8(6, end);
|
nkeynes@380 | 3109 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3110 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 3111 | push_dr(R_EDX, FRn);
|
nkeynes@386 | 3112 | JMP_TARGET(end);
|
nkeynes@377 | 3113 | FCOMIP_st(1);
|
nkeynes@377 | 3114 | SETE_t();
|
nkeynes@377 | 3115 | FPOP_st();
|
nkeynes@417 | 3116 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3117 | }
|
nkeynes@359 | 3118 | break;
|
nkeynes@359 | 3119 | case 0x5:
|
nkeynes@359 | 3120 | { /* FCMP/GT FRm, FRn */
|
nkeynes@359 | 3121 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@377 | 3122 | check_fpuen();
|
nkeynes@377 | 3123 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3124 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 3125 | load_fr_bank( R_EDX );
|
nkeynes@380 | 3126 | JNE_rel8(8, doubleprec);
|
nkeynes@377 | 3127 | push_fr(R_EDX, FRm);
|
nkeynes@377 | 3128 | push_fr(R_EDX, FRn);
|
nkeynes@380 | 3129 | JMP_rel8(6, end);
|
nkeynes@380 | 3130 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3131 | push_dr(R_EDX, FRm);
|
nkeynes@377 | 3132 | push_dr(R_EDX, FRn);
|
nkeynes@380 | 3133 | JMP_TARGET(end);
|
nkeynes@377 | 3134 | FCOMIP_st(1);
|
nkeynes@377 | 3135 | SETA_t();
|
nkeynes@377 | 3136 | FPOP_st();
|
nkeynes@417 | 3137 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3138 | }
|
nkeynes@359 | 3139 | break;
|
nkeynes@359 | 3140 | case 0x6:
|
nkeynes@359 | 3141 | { /* FMOV @(R0, Rm), FRn */
|
nkeynes@359 | 3142 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@416 | 3143 | precheck();
|
nkeynes@416 | 3144 | check_fpuen_no_precheck();
|
nkeynes@416 | 3145 | load_reg( R_ECX, Rm );
|
nkeynes@416 | 3146 | ADD_sh4r_r32( REG_OFFSET(r[0]), R_ECX );
|
nkeynes@416 | 3147 | check_ralign32( R_ECX );
|
nkeynes@416 | 3148 | load_spreg( R_EDX, R_FPSCR );
|
nkeynes@416 | 3149 | TEST_imm32_r32( FPSCR_SZ, R_EDX );
|
nkeynes@527 | 3150 | JNE_rel8(8 + CALL_FUNC1_SIZE, doublesize);
|
nkeynes@416 | 3151 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@416 | 3152 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3153 | store_fr( R_EDX, R_EAX, FRn );
|
nkeynes@375 | 3154 | if( FRn&1 ) {
|
nkeynes@527 | 3155 | JMP_rel8(21 + MEM_READ_DOUBLE_SIZE, end);
|
nkeynes@380 | 3156 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3157 | MEM_READ_DOUBLE( R_ECX, R_EAX, R_ECX );
|
nkeynes@416 | 3158 | load_spreg( R_EDX, R_FPSCR ); // assume read_long clobbered it
|
nkeynes@416 | 3159 | load_xf_bank( R_EDX );
|
nkeynes@416 | 3160 | store_fr( R_EDX, R_EAX, FRn&0x0E );
|
nkeynes@416 | 3161 | store_fr( R_EDX, R_ECX, FRn|0x01 );
|
nkeynes@380 | 3162 | JMP_TARGET(end);
|
nkeynes@375 | 3163 | } else {
|
nkeynes@527 | 3164 | JMP_rel8(9 + MEM_READ_DOUBLE_SIZE, end);
|
nkeynes@380 | 3165 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3166 | MEM_READ_DOUBLE( R_ECX, R_EAX, R_ECX );
|
nkeynes@416 | 3167 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3168 | store_fr( R_EDX, R_EAX, FRn&0x0E );
|
nkeynes@416 | 3169 | store_fr( R_EDX, R_ECX, FRn|0x01 );
|
nkeynes@380 | 3170 | JMP_TARGET(end);
|
nkeynes@377 | 3171 | }
|
nkeynes@417 | 3172 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@377 | 3173 | }
|
nkeynes@377 | 3174 | break;
|
nkeynes@377 | 3175 | case 0x7:
|
nkeynes@377 | 3176 | { /* FMOV FRm, @(R0, Rn) */
|
nkeynes@377 | 3177 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@416 | 3178 | precheck();
|
nkeynes@416 | 3179 | check_fpuen_no_precheck();
|
nkeynes@416 | 3180 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 3181 | ADD_sh4r_r32( REG_OFFSET(r[0]), R_ECX );
|
nkeynes@416 | 3182 | check_walign32( R_ECX );
|
nkeynes@416 | 3183 | load_spreg( R_EDX, R_FPSCR );
|
nkeynes@416 | 3184 | TEST_imm32_r32( FPSCR_SZ, R_EDX );
|
nkeynes@527 | 3185 | JNE_rel8(8 + CALL_FUNC2_SIZE, doublesize);
|
nkeynes@416 | 3186 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3187 | load_fr( R_EDX, R_EAX, FRm );
|
nkeynes@416 | 3188 | MEM_WRITE_LONG( R_ECX, R_EAX ); // 12
|
nkeynes@377 | 3189 | if( FRm&1 ) {
|
nkeynes@527 | 3190 | JMP_rel8( 18 + MEM_WRITE_DOUBLE_SIZE, end );
|
nkeynes@380 | 3191 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3192 | load_xf_bank( R_EDX );
|
nkeynes@416 | 3193 | load_fr( R_EDX, R_EAX, FRm&0x0E );
|
nkeynes@416 | 3194 | load_fr( R_EDX, R_EDX, FRm|0x01 );
|
nkeynes@416 | 3195 | MEM_WRITE_DOUBLE( R_ECX, R_EAX, R_EDX );
|
nkeynes@380 | 3196 | JMP_TARGET(end);
|
nkeynes@377 | 3197 | } else {
|
nkeynes@527 | 3198 | JMP_rel8( 9 + MEM_WRITE_DOUBLE_SIZE, end );
|
nkeynes@380 | 3199 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3200 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3201 | load_fr( R_EDX, R_EAX, FRm&0x0E );
|
nkeynes@416 | 3202 | load_fr( R_EDX, R_EDX, FRm|0x01 );
|
nkeynes@416 | 3203 | MEM_WRITE_DOUBLE( R_ECX, R_EAX, R_EDX );
|
nkeynes@380 | 3204 | JMP_TARGET(end);
|
nkeynes@377 | 3205 | }
|
nkeynes@417 | 3206 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@377 | 3207 | }
|
nkeynes@377 | 3208 | break;
|
nkeynes@377 | 3209 | case 0x8:
|
nkeynes@377 | 3210 | { /* FMOV @Rm, FRn */
|
nkeynes@377 | 3211 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@416 | 3212 | precheck();
|
nkeynes@416 | 3213 | check_fpuen_no_precheck();
|
nkeynes@416 | 3214 | load_reg( R_ECX, Rm );
|
nkeynes@416 | 3215 | check_ralign32( R_ECX );
|
nkeynes@416 | 3216 | load_spreg( R_EDX, R_FPSCR );
|
nkeynes@416 | 3217 | TEST_imm32_r32( FPSCR_SZ, R_EDX );
|
nkeynes@527 | 3218 | JNE_rel8(8 + CALL_FUNC1_SIZE, doublesize);
|
nkeynes@416 | 3219 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@416 | 3220 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3221 | store_fr( R_EDX, R_EAX, FRn );
|
nkeynes@377 | 3222 | if( FRn&1 ) {
|
nkeynes@527 | 3223 | JMP_rel8(21 + MEM_READ_DOUBLE_SIZE, end);
|
nkeynes@380 | 3224 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3225 | MEM_READ_DOUBLE( R_ECX, R_EAX, R_ECX );
|
nkeynes@416 | 3226 | load_spreg( R_EDX, R_FPSCR ); // assume read_long clobbered it
|
nkeynes@416 | 3227 | load_xf_bank( R_EDX );
|
nkeynes@416 | 3228 | store_fr( R_EDX, R_EAX, FRn&0x0E );
|
nkeynes@416 | 3229 | store_fr( R_EDX, R_ECX, FRn|0x01 );
|
nkeynes@380 | 3230 | JMP_TARGET(end);
|
nkeynes@377 | 3231 | } else {
|
nkeynes@527 | 3232 | JMP_rel8(9 + MEM_READ_DOUBLE_SIZE, end);
|
nkeynes@380 | 3233 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3234 | MEM_READ_DOUBLE( R_ECX, R_EAX, R_ECX );
|
nkeynes@416 | 3235 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3236 | store_fr( R_EDX, R_EAX, FRn&0x0E );
|
nkeynes@416 | 3237 | store_fr( R_EDX, R_ECX, FRn|0x01 );
|
nkeynes@380 | 3238 | JMP_TARGET(end);
|
nkeynes@375 | 3239 | }
|
nkeynes@417 | 3240 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3241 | }
|
nkeynes@359 | 3242 | break;
|
nkeynes@359 | 3243 | case 0x9:
|
nkeynes@359 | 3244 | { /* FMOV @Rm+, FRn */
|
nkeynes@359 | 3245 | uint32_t FRn = ((ir>>8)&0xF); uint32_t Rm = ((ir>>4)&0xF);
|
nkeynes@416 | 3246 | precheck();
|
nkeynes@416 | 3247 | check_fpuen_no_precheck();
|
nkeynes@416 | 3248 | load_reg( R_ECX, Rm );
|
nkeynes@416 | 3249 | check_ralign32( R_ECX );
|
nkeynes@416 | 3250 | MOV_r32_r32( R_ECX, R_EAX );
|
nkeynes@416 | 3251 | load_spreg( R_EDX, R_FPSCR );
|
nkeynes@416 | 3252 | TEST_imm32_r32( FPSCR_SZ, R_EDX );
|
nkeynes@527 | 3253 | JNE_rel8(14 + CALL_FUNC1_SIZE, doublesize);
|
nkeynes@377 | 3254 | ADD_imm8s_r32( 4, R_EAX );
|
nkeynes@377 | 3255 | store_reg( R_EAX, Rm );
|
nkeynes@416 | 3256 | MEM_READ_LONG( R_ECX, R_EAX );
|
nkeynes@416 | 3257 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3258 | store_fr( R_EDX, R_EAX, FRn );
|
nkeynes@377 | 3259 | if( FRn&1 ) {
|
nkeynes@527 | 3260 | JMP_rel8(27 + MEM_READ_DOUBLE_SIZE, end);
|
nkeynes@380 | 3261 | JMP_TARGET(doublesize);
|
nkeynes@377 | 3262 | ADD_imm8s_r32( 8, R_EAX );
|
nkeynes@377 | 3263 | store_reg(R_EAX, Rm);
|
nkeynes@416 | 3264 | MEM_READ_DOUBLE( R_ECX, R_EAX, R_ECX );
|
nkeynes@416 | 3265 | load_spreg( R_EDX, R_FPSCR ); // assume read_long clobbered it
|
nkeynes@416 | 3266 | load_xf_bank( R_EDX );
|
nkeynes@416 | 3267 | store_fr( R_EDX, R_EAX, FRn&0x0E );
|
nkeynes@416 | 3268 | store_fr( R_EDX, R_ECX, FRn|0x01 );
|
nkeynes@380 | 3269 | JMP_TARGET(end);
|
nkeynes@377 | 3270 | } else {
|
nkeynes@527 | 3271 | JMP_rel8(15 + MEM_READ_DOUBLE_SIZE, end);
|
nkeynes@377 | 3272 | ADD_imm8s_r32( 8, R_EAX );
|
nkeynes@377 | 3273 | store_reg(R_EAX, Rm);
|
nkeynes@416 | 3274 | MEM_READ_DOUBLE( R_ECX, R_EAX, R_ECX );
|
nkeynes@416 | 3275 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3276 | store_fr( R_EDX, R_EAX, FRn&0x0E );
|
nkeynes@416 | 3277 | store_fr( R_EDX, R_ECX, FRn|0x01 );
|
nkeynes@380 | 3278 | JMP_TARGET(end);
|
nkeynes@377 | 3279 | }
|
nkeynes@417 | 3280 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3281 | }
|
nkeynes@359 | 3282 | break;
|
nkeynes@359 | 3283 | case 0xA:
|
nkeynes@359 | 3284 | { /* FMOV FRm, @Rn */
|
nkeynes@359 | 3285 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@416 | 3286 | precheck();
|
nkeynes@416 | 3287 | check_fpuen_no_precheck();
|
nkeynes@416 | 3288 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 3289 | check_walign32( R_ECX );
|
nkeynes@416 | 3290 | load_spreg( R_EDX, R_FPSCR );
|
nkeynes@416 | 3291 | TEST_imm32_r32( FPSCR_SZ, R_EDX );
|
nkeynes@527 | 3292 | JNE_rel8(8 + CALL_FUNC2_SIZE, doublesize);
|
nkeynes@416 | 3293 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3294 | load_fr( R_EDX, R_EAX, FRm );
|
nkeynes@416 | 3295 | MEM_WRITE_LONG( R_ECX, R_EAX ); // 12
|
nkeynes@375 | 3296 | if( FRm&1 ) {
|
nkeynes@527 | 3297 | JMP_rel8( 18 + MEM_WRITE_DOUBLE_SIZE, end );
|
nkeynes@380 | 3298 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3299 | load_xf_bank( R_EDX );
|
nkeynes@416 | 3300 | load_fr( R_EDX, R_EAX, FRm&0x0E );
|
nkeynes@416 | 3301 | load_fr( R_EDX, R_EDX, FRm|0x01 );
|
nkeynes@416 | 3302 | MEM_WRITE_DOUBLE( R_ECX, R_EAX, R_EDX );
|
nkeynes@380 | 3303 | JMP_TARGET(end);
|
nkeynes@375 | 3304 | } else {
|
nkeynes@527 | 3305 | JMP_rel8( 9 + MEM_WRITE_DOUBLE_SIZE, end );
|
nkeynes@380 | 3306 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3307 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3308 | load_fr( R_EDX, R_EAX, FRm&0x0E );
|
nkeynes@416 | 3309 | load_fr( R_EDX, R_EDX, FRm|0x01 );
|
nkeynes@416 | 3310 | MEM_WRITE_DOUBLE( R_ECX, R_EAX, R_EDX );
|
nkeynes@380 | 3311 | JMP_TARGET(end);
|
nkeynes@375 | 3312 | }
|
nkeynes@417 | 3313 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3314 | }
|
nkeynes@359 | 3315 | break;
|
nkeynes@359 | 3316 | case 0xB:
|
nkeynes@359 | 3317 | { /* FMOV FRm, @-Rn */
|
nkeynes@359 | 3318 | uint32_t Rn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@416 | 3319 | precheck();
|
nkeynes@416 | 3320 | check_fpuen_no_precheck();
|
nkeynes@416 | 3321 | load_reg( R_ECX, Rn );
|
nkeynes@416 | 3322 | check_walign32( R_ECX );
|
nkeynes@416 | 3323 | load_spreg( R_EDX, R_FPSCR );
|
nkeynes@416 | 3324 | TEST_imm32_r32( FPSCR_SZ, R_EDX );
|
nkeynes@527 | 3325 | JNE_rel8(14 + CALL_FUNC2_SIZE, doublesize);
|
nkeynes@416 | 3326 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3327 | load_fr( R_EDX, R_EAX, FRm );
|
nkeynes@416 | 3328 | ADD_imm8s_r32(-4,R_ECX);
|
nkeynes@416 | 3329 | store_reg( R_ECX, Rn );
|
nkeynes@416 | 3330 | MEM_WRITE_LONG( R_ECX, R_EAX ); // 12
|
nkeynes@377 | 3331 | if( FRm&1 ) {
|
nkeynes@527 | 3332 | JMP_rel8( 24 + MEM_WRITE_DOUBLE_SIZE, end );
|
nkeynes@380 | 3333 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3334 | load_xf_bank( R_EDX );
|
nkeynes@416 | 3335 | load_fr( R_EDX, R_EAX, FRm&0x0E );
|
nkeynes@416 | 3336 | load_fr( R_EDX, R_EDX, FRm|0x01 );
|
nkeynes@416 | 3337 | ADD_imm8s_r32(-8,R_ECX);
|
nkeynes@416 | 3338 | store_reg( R_ECX, Rn );
|
nkeynes@416 | 3339 | MEM_WRITE_DOUBLE( R_ECX, R_EAX, R_EDX );
|
nkeynes@380 | 3340 | JMP_TARGET(end);
|
nkeynes@377 | 3341 | } else {
|
nkeynes@527 | 3342 | JMP_rel8( 15 + MEM_WRITE_DOUBLE_SIZE, end );
|
nkeynes@380 | 3343 | JMP_TARGET(doublesize);
|
nkeynes@416 | 3344 | load_fr_bank( R_EDX );
|
nkeynes@416 | 3345 | load_fr( R_EDX, R_EAX, FRm&0x0E );
|
nkeynes@416 | 3346 | load_fr( R_EDX, R_EDX, FRm|0x01 );
|
nkeynes@416 | 3347 | ADD_imm8s_r32(-8,R_ECX);
|
nkeynes@416 | 3348 | store_reg( R_ECX, Rn );
|
nkeynes@416 | 3349 | MEM_WRITE_DOUBLE( R_ECX, R_EAX, R_EDX );
|
nkeynes@380 | 3350 | JMP_TARGET(end);
|
nkeynes@377 | 3351 | }
|
nkeynes@417 | 3352 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3353 | }
|
nkeynes@359 | 3354 | break;
|
nkeynes@359 | 3355 | case 0xC:
|
nkeynes@359 | 3356 | { /* FMOV FRm, FRn */
|
nkeynes@359 | 3357 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@375 | 3358 | /* As horrible as this looks, it's actually covering 5 separate cases:
|
nkeynes@375 | 3359 | * 1. 32-bit fr-to-fr (PR=0)
|
nkeynes@375 | 3360 | * 2. 64-bit dr-to-dr (PR=1, FRm&1 == 0, FRn&1 == 0 )
|
nkeynes@375 | 3361 | * 3. 64-bit dr-to-xd (PR=1, FRm&1 == 0, FRn&1 == 1 )
|
nkeynes@375 | 3362 | * 4. 64-bit xd-to-dr (PR=1, FRm&1 == 1, FRn&1 == 0 )
|
nkeynes@375 | 3363 | * 5. 64-bit xd-to-xd (PR=1, FRm&1 == 1, FRn&1 == 1 )
|
nkeynes@375 | 3364 | */
|
nkeynes@377 | 3365 | check_fpuen();
|
nkeynes@375 | 3366 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3367 | load_fr_bank( R_EDX );
|
nkeynes@375 | 3368 | TEST_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@380 | 3369 | JNE_rel8(8, doublesize);
|
nkeynes@375 | 3370 | load_fr( R_EDX, R_EAX, FRm ); // PR=0 branch
|
nkeynes@375 | 3371 | store_fr( R_EDX, R_EAX, FRn );
|
nkeynes@375 | 3372 | if( FRm&1 ) {
|
nkeynes@386 | 3373 | JMP_rel8(24, end);
|
nkeynes@380 | 3374 | JMP_TARGET(doublesize);
|
nkeynes@375 | 3375 | load_xf_bank( R_ECX );
|
nkeynes@375 | 3376 | load_fr( R_ECX, R_EAX, FRm-1 );
|
nkeynes@375 | 3377 | if( FRn&1 ) {
|
nkeynes@375 | 3378 | load_fr( R_ECX, R_EDX, FRm );
|
nkeynes@375 | 3379 | store_fr( R_ECX, R_EAX, FRn-1 );
|
nkeynes@375 | 3380 | store_fr( R_ECX, R_EDX, FRn );
|
nkeynes@375 | 3381 | } else /* FRn&1 == 0 */ {
|
nkeynes@375 | 3382 | load_fr( R_ECX, R_ECX, FRm );
|
nkeynes@388 | 3383 | store_fr( R_EDX, R_EAX, FRn );
|
nkeynes@388 | 3384 | store_fr( R_EDX, R_ECX, FRn+1 );
|
nkeynes@375 | 3385 | }
|
nkeynes@380 | 3386 | JMP_TARGET(end);
|
nkeynes@375 | 3387 | } else /* FRm&1 == 0 */ {
|
nkeynes@375 | 3388 | if( FRn&1 ) {
|
nkeynes@386 | 3389 | JMP_rel8(24, end);
|
nkeynes@375 | 3390 | load_xf_bank( R_ECX );
|
nkeynes@375 | 3391 | load_fr( R_EDX, R_EAX, FRm );
|
nkeynes@375 | 3392 | load_fr( R_EDX, R_EDX, FRm+1 );
|
nkeynes@375 | 3393 | store_fr( R_ECX, R_EAX, FRn-1 );
|
nkeynes@375 | 3394 | store_fr( R_ECX, R_EDX, FRn );
|
nkeynes@380 | 3395 | JMP_TARGET(end);
|
nkeynes@375 | 3396 | } else /* FRn&1 == 0 */ {
|
nkeynes@380 | 3397 | JMP_rel8(12, end);
|
nkeynes@375 | 3398 | load_fr( R_EDX, R_EAX, FRm );
|
nkeynes@375 | 3399 | load_fr( R_EDX, R_ECX, FRm+1 );
|
nkeynes@375 | 3400 | store_fr( R_EDX, R_EAX, FRn );
|
nkeynes@375 | 3401 | store_fr( R_EDX, R_ECX, FRn+1 );
|
nkeynes@380 | 3402 | JMP_TARGET(end);
|
nkeynes@375 | 3403 | }
|
nkeynes@375 | 3404 | }
|
nkeynes@417 | 3405 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3406 | }
|
nkeynes@359 | 3407 | break;
|
nkeynes@359 | 3408 | case 0xD:
|
nkeynes@359 | 3409 | switch( (ir&0xF0) >> 4 ) {
|
nkeynes@359 | 3410 | case 0x0:
|
nkeynes@359 | 3411 | { /* FSTS FPUL, FRn */
|
nkeynes@359 | 3412 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@377 | 3413 | check_fpuen();
|
nkeynes@377 | 3414 | load_fr_bank( R_ECX );
|
nkeynes@377 | 3415 | load_spreg( R_EAX, R_FPUL );
|
nkeynes@377 | 3416 | store_fr( R_ECX, R_EAX, FRn );
|
nkeynes@417 | 3417 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3418 | }
|
nkeynes@359 | 3419 | break;
|
nkeynes@359 | 3420 | case 0x1:
|
nkeynes@359 | 3421 | { /* FLDS FRm, FPUL */
|
nkeynes@359 | 3422 | uint32_t FRm = ((ir>>8)&0xF);
|
nkeynes@377 | 3423 | check_fpuen();
|
nkeynes@377 | 3424 | load_fr_bank( R_ECX );
|
nkeynes@377 | 3425 | load_fr( R_ECX, R_EAX, FRm );
|
nkeynes@377 | 3426 | store_spreg( R_EAX, R_FPUL );
|
nkeynes@417 | 3427 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3428 | }
|
nkeynes@359 | 3429 | break;
|
nkeynes@359 | 3430 | case 0x2:
|
nkeynes@359 | 3431 | { /* FLOAT FPUL, FRn */
|
nkeynes@359 | 3432 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@377 | 3433 | check_fpuen();
|
nkeynes@377 | 3434 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3435 | load_spreg(R_EDX, REG_OFFSET(fr_bank));
|
nkeynes@377 | 3436 | FILD_sh4r(R_FPUL);
|
nkeynes@377 | 3437 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 3438 | JNE_rel8(5, doubleprec);
|
nkeynes@377 | 3439 | pop_fr( R_EDX, FRn );
|
nkeynes@380 | 3440 | JMP_rel8(3, end);
|
nkeynes@380 | 3441 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3442 | pop_dr( R_EDX, FRn );
|
nkeynes@380 | 3443 | JMP_TARGET(end);
|
nkeynes@417 | 3444 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3445 | }
|
nkeynes@359 | 3446 | break;
|
nkeynes@359 | 3447 | case 0x3:
|
nkeynes@359 | 3448 | { /* FTRC FRm, FPUL */
|
nkeynes@359 | 3449 | uint32_t FRm = ((ir>>8)&0xF);
|
nkeynes@377 | 3450 | check_fpuen();
|
nkeynes@388 | 3451 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@388 | 3452 | load_fr_bank( R_EDX );
|
nkeynes@388 | 3453 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@388 | 3454 | JNE_rel8(5, doubleprec);
|
nkeynes@388 | 3455 | push_fr( R_EDX, FRm );
|
nkeynes@388 | 3456 | JMP_rel8(3, doop);
|
nkeynes@388 | 3457 | JMP_TARGET(doubleprec);
|
nkeynes@388 | 3458 | push_dr( R_EDX, FRm );
|
nkeynes@388 | 3459 | JMP_TARGET( doop );
|
nkeynes@388 | 3460 | load_imm32( R_ECX, (uint32_t)&max_int );
|
nkeynes@388 | 3461 | FILD_r32ind( R_ECX );
|
nkeynes@388 | 3462 | FCOMIP_st(1);
|
nkeynes@394 | 3463 | JNA_rel8( 32, sat );
|
nkeynes@388 | 3464 | load_imm32( R_ECX, (uint32_t)&min_int ); // 5
|
nkeynes@388 | 3465 | FILD_r32ind( R_ECX ); // 2
|
nkeynes@388 | 3466 | FCOMIP_st(1); // 2
|
nkeynes@394 | 3467 | JAE_rel8( 21, sat2 ); // 2
|
nkeynes@394 | 3468 | load_imm32( R_EAX, (uint32_t)&save_fcw );
|
nkeynes@394 | 3469 | FNSTCW_r32ind( R_EAX );
|
nkeynes@394 | 3470 | load_imm32( R_EDX, (uint32_t)&trunc_fcw );
|
nkeynes@394 | 3471 | FLDCW_r32ind( R_EDX );
|
nkeynes@388 | 3472 | FISTP_sh4r(R_FPUL); // 3
|
nkeynes@394 | 3473 | FLDCW_r32ind( R_EAX );
|
nkeynes@388 | 3474 | JMP_rel8( 9, end ); // 2
|
nkeynes@388 | 3475 |
|
nkeynes@388 | 3476 | JMP_TARGET(sat);
|
nkeynes@388 | 3477 | JMP_TARGET(sat2);
|
nkeynes@388 | 3478 | MOV_r32ind_r32( R_ECX, R_ECX ); // 2
|
nkeynes@388 | 3479 | store_spreg( R_ECX, R_FPUL );
|
nkeynes@388 | 3480 | FPOP_st();
|
nkeynes@388 | 3481 | JMP_TARGET(end);
|
nkeynes@417 | 3482 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3483 | }
|
nkeynes@359 | 3484 | break;
|
nkeynes@359 | 3485 | case 0x4:
|
nkeynes@359 | 3486 | { /* FNEG FRn */
|
nkeynes@359 | 3487 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@377 | 3488 | check_fpuen();
|
nkeynes@377 | 3489 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3490 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 3491 | load_fr_bank( R_EDX );
|
nkeynes@380 | 3492 | JNE_rel8(10, doubleprec);
|
nkeynes@377 | 3493 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 3494 | FCHS_st0();
|
nkeynes@377 | 3495 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 3496 | JMP_rel8(8, end);
|
nkeynes@380 | 3497 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3498 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 3499 | FCHS_st0();
|
nkeynes@377 | 3500 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 3501 | JMP_TARGET(end);
|
nkeynes@417 | 3502 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3503 | }
|
nkeynes@359 | 3504 | break;
|
nkeynes@359 | 3505 | case 0x5:
|
nkeynes@359 | 3506 | { /* FABS FRn */
|
nkeynes@359 | 3507 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@377 | 3508 | check_fpuen();
|
nkeynes@374 | 3509 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3510 | load_fr_bank( R_EDX );
|
nkeynes@374 | 3511 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 3512 | JNE_rel8(10, doubleprec);
|
nkeynes@374 | 3513 | push_fr(R_EDX, FRn); // 3
|
nkeynes@374 | 3514 | FABS_st0(); // 2
|
nkeynes@374 | 3515 | pop_fr( R_EDX, FRn); //3
|
nkeynes@380 | 3516 | JMP_rel8(8,end); // 2
|
nkeynes@380 | 3517 | JMP_TARGET(doubleprec);
|
nkeynes@374 | 3518 | push_dr(R_EDX, FRn);
|
nkeynes@374 | 3519 | FABS_st0();
|
nkeynes@374 | 3520 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 3521 | JMP_TARGET(end);
|
nkeynes@417 | 3522 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3523 | }
|
nkeynes@359 | 3524 | break;
|
nkeynes@359 | 3525 | case 0x6:
|
nkeynes@359 | 3526 | { /* FSQRT FRn */
|
nkeynes@359 | 3527 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@377 | 3528 | check_fpuen();
|
nkeynes@377 | 3529 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3530 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 3531 | load_fr_bank( R_EDX );
|
nkeynes@380 | 3532 | JNE_rel8(10, doubleprec);
|
nkeynes@377 | 3533 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 3534 | FSQRT_st0();
|
nkeynes@377 | 3535 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 3536 | JMP_rel8(8, end);
|
nkeynes@380 | 3537 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3538 | push_dr(R_EDX, FRn);
|
nkeynes@377 | 3539 | FSQRT_st0();
|
nkeynes@377 | 3540 | pop_dr(R_EDX, FRn);
|
nkeynes@380 | 3541 | JMP_TARGET(end);
|
nkeynes@417 | 3542 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3543 | }
|
nkeynes@359 | 3544 | break;
|
nkeynes@359 | 3545 | case 0x7:
|
nkeynes@359 | 3546 | { /* FSRRA FRn */
|
nkeynes@359 | 3547 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@377 | 3548 | check_fpuen();
|
nkeynes@377 | 3549 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3550 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@377 | 3551 | load_fr_bank( R_EDX );
|
nkeynes@380 | 3552 | JNE_rel8(12, end); // PR=0 only
|
nkeynes@377 | 3553 | FLD1_st0();
|
nkeynes@377 | 3554 | push_fr(R_EDX, FRn);
|
nkeynes@377 | 3555 | FSQRT_st0();
|
nkeynes@377 | 3556 | FDIVP_st(1);
|
nkeynes@377 | 3557 | pop_fr(R_EDX, FRn);
|
nkeynes@380 | 3558 | JMP_TARGET(end);
|
nkeynes@417 | 3559 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3560 | }
|
nkeynes@359 | 3561 | break;
|
nkeynes@359 | 3562 | case 0x8:
|
nkeynes@359 | 3563 | { /* FLDI0 FRn */
|
nkeynes@359 | 3564 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@377 | 3565 | /* IFF PR=0 */
|
nkeynes@377 | 3566 | check_fpuen();
|
nkeynes@377 | 3567 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3568 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 3569 | JNE_rel8(8, end);
|
nkeynes@377 | 3570 | XOR_r32_r32( R_EAX, R_EAX );
|
nkeynes@377 | 3571 | load_spreg( R_ECX, REG_OFFSET(fr_bank) );
|
nkeynes@377 | 3572 | store_fr( R_ECX, R_EAX, FRn );
|
nkeynes@380 | 3573 | JMP_TARGET(end);
|
nkeynes@417 | 3574 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3575 | }
|
nkeynes@359 | 3576 | break;
|
nkeynes@359 | 3577 | case 0x9:
|
nkeynes@359 | 3578 | { /* FLDI1 FRn */
|
nkeynes@359 | 3579 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@377 | 3580 | /* IFF PR=0 */
|
nkeynes@377 | 3581 | check_fpuen();
|
nkeynes@377 | 3582 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3583 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 3584 | JNE_rel8(11, end);
|
nkeynes@377 | 3585 | load_imm32(R_EAX, 0x3F800000);
|
nkeynes@377 | 3586 | load_spreg( R_ECX, REG_OFFSET(fr_bank) );
|
nkeynes@377 | 3587 | store_fr( R_ECX, R_EAX, FRn );
|
nkeynes@380 | 3588 | JMP_TARGET(end);
|
nkeynes@417 | 3589 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3590 | }
|
nkeynes@359 | 3591 | break;
|
nkeynes@359 | 3592 | case 0xA:
|
nkeynes@359 | 3593 | { /* FCNVSD FPUL, FRn */
|
nkeynes@359 | 3594 | uint32_t FRn = ((ir>>8)&0xF);
|
nkeynes@377 | 3595 | check_fpuen();
|
nkeynes@377 | 3596 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3597 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 3598 | JE_rel8(9, end); // only when PR=1
|
nkeynes@377 | 3599 | load_fr_bank( R_ECX );
|
nkeynes@377 | 3600 | push_fpul();
|
nkeynes@377 | 3601 | pop_dr( R_ECX, FRn );
|
nkeynes@380 | 3602 | JMP_TARGET(end);
|
nkeynes@417 | 3603 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3604 | }
|
nkeynes@359 | 3605 | break;
|
nkeynes@359 | 3606 | case 0xB:
|
nkeynes@359 | 3607 | { /* FCNVDS FRm, FPUL */
|
nkeynes@359 | 3608 | uint32_t FRm = ((ir>>8)&0xF);
|
nkeynes@377 | 3609 | check_fpuen();
|
nkeynes@377 | 3610 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3611 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 3612 | JE_rel8(9, end); // only when PR=1
|
nkeynes@377 | 3613 | load_fr_bank( R_ECX );
|
nkeynes@377 | 3614 | push_dr( R_ECX, FRm );
|
nkeynes@377 | 3615 | pop_fpul();
|
nkeynes@380 | 3616 | JMP_TARGET(end);
|
nkeynes@417 | 3617 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3618 | }
|
nkeynes@359 | 3619 | break;
|
nkeynes@359 | 3620 | case 0xE:
|
nkeynes@359 | 3621 | { /* FIPR FVm, FVn */
|
nkeynes@359 | 3622 | uint32_t FVn = ((ir>>10)&0x3); uint32_t FVm = ((ir>>8)&0x3);
|
nkeynes@377 | 3623 | check_fpuen();
|
nkeynes@388 | 3624 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@388 | 3625 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@388 | 3626 | JNE_rel8(44, doubleprec);
|
nkeynes@388 | 3627 |
|
nkeynes@388 | 3628 | load_fr_bank( R_ECX );
|
nkeynes@388 | 3629 | push_fr( R_ECX, FVm<<2 );
|
nkeynes@388 | 3630 | push_fr( R_ECX, FVn<<2 );
|
nkeynes@388 | 3631 | FMULP_st(1);
|
nkeynes@388 | 3632 | push_fr( R_ECX, (FVm<<2)+1);
|
nkeynes@388 | 3633 | push_fr( R_ECX, (FVn<<2)+1);
|
nkeynes@388 | 3634 | FMULP_st(1);
|
nkeynes@388 | 3635 | FADDP_st(1);
|
nkeynes@388 | 3636 | push_fr( R_ECX, (FVm<<2)+2);
|
nkeynes@388 | 3637 | push_fr( R_ECX, (FVn<<2)+2);
|
nkeynes@388 | 3638 | FMULP_st(1);
|
nkeynes@388 | 3639 | FADDP_st(1);
|
nkeynes@388 | 3640 | push_fr( R_ECX, (FVm<<2)+3);
|
nkeynes@388 | 3641 | push_fr( R_ECX, (FVn<<2)+3);
|
nkeynes@388 | 3642 | FMULP_st(1);
|
nkeynes@388 | 3643 | FADDP_st(1);
|
nkeynes@388 | 3644 | pop_fr( R_ECX, (FVn<<2)+3);
|
nkeynes@388 | 3645 | JMP_TARGET(doubleprec);
|
nkeynes@417 | 3646 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3647 | }
|
nkeynes@359 | 3648 | break;
|
nkeynes@359 | 3649 | case 0xF:
|
nkeynes@359 | 3650 | switch( (ir&0x100) >> 8 ) {
|
nkeynes@359 | 3651 | case 0x0:
|
nkeynes@359 | 3652 | { /* FSCA FPUL, FRn */
|
nkeynes@359 | 3653 | uint32_t FRn = ((ir>>9)&0x7)<<1;
|
nkeynes@377 | 3654 | check_fpuen();
|
nkeynes@388 | 3655 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@388 | 3656 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@527 | 3657 | JNE_rel8( CALL_FUNC2_SIZE + 9, doubleprec );
|
nkeynes@388 | 3658 | load_fr_bank( R_ECX );
|
nkeynes@388 | 3659 | ADD_imm8s_r32( (FRn&0x0E)<<2, R_ECX );
|
nkeynes@388 | 3660 | load_spreg( R_EDX, R_FPUL );
|
nkeynes@388 | 3661 | call_func2( sh4_fsca, R_EDX, R_ECX );
|
nkeynes@388 | 3662 | JMP_TARGET(doubleprec);
|
nkeynes@417 | 3663 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3664 | }
|
nkeynes@359 | 3665 | break;
|
nkeynes@359 | 3666 | case 0x1:
|
nkeynes@359 | 3667 | switch( (ir&0x200) >> 9 ) {
|
nkeynes@359 | 3668 | case 0x0:
|
nkeynes@359 | 3669 | { /* FTRV XMTRX, FVn */
|
nkeynes@359 | 3670 | uint32_t FVn = ((ir>>10)&0x3);
|
nkeynes@377 | 3671 | check_fpuen();
|
nkeynes@388 | 3672 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@388 | 3673 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@527 | 3674 | JNE_rel8( 18 + CALL_FUNC2_SIZE, doubleprec );
|
nkeynes@388 | 3675 | load_fr_bank( R_EDX ); // 3
|
nkeynes@388 | 3676 | ADD_imm8s_r32( FVn<<4, R_EDX ); // 3
|
nkeynes@388 | 3677 | load_xf_bank( R_ECX ); // 12
|
nkeynes@388 | 3678 | call_func2( sh4_ftrv, R_EDX, R_ECX ); // 12
|
nkeynes@388 | 3679 | JMP_TARGET(doubleprec);
|
nkeynes@417 | 3680 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3681 | }
|
nkeynes@359 | 3682 | break;
|
nkeynes@359 | 3683 | case 0x1:
|
nkeynes@359 | 3684 | switch( (ir&0xC00) >> 10 ) {
|
nkeynes@359 | 3685 | case 0x0:
|
nkeynes@359 | 3686 | { /* FSCHG */
|
nkeynes@377 | 3687 | check_fpuen();
|
nkeynes@377 | 3688 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3689 | XOR_imm32_r32( FPSCR_SZ, R_ECX );
|
nkeynes@377 | 3690 | store_spreg( R_ECX, R_FPSCR );
|
nkeynes@417 | 3691 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3692 | }
|
nkeynes@359 | 3693 | break;
|
nkeynes@359 | 3694 | case 0x2:
|
nkeynes@359 | 3695 | { /* FRCHG */
|
nkeynes@377 | 3696 | check_fpuen();
|
nkeynes@377 | 3697 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3698 | XOR_imm32_r32( FPSCR_FR, R_ECX );
|
nkeynes@377 | 3699 | store_spreg( R_ECX, R_FPSCR );
|
nkeynes@386 | 3700 | update_fr_bank( R_ECX );
|
nkeynes@417 | 3701 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3702 | }
|
nkeynes@359 | 3703 | break;
|
nkeynes@359 | 3704 | case 0x3:
|
nkeynes@359 | 3705 | { /* UNDEF */
|
nkeynes@374 | 3706 | if( sh4_x86.in_delay_slot ) {
|
nkeynes@386 | 3707 | SLOTILLEGAL();
|
nkeynes@374 | 3708 | } else {
|
nkeynes@416 | 3709 | precheck();
|
nkeynes@386 | 3710 | JMP_exit(EXIT_ILLEGAL);
|
nkeynes@408 | 3711 | return 2;
|
nkeynes@374 | 3712 | }
|
nkeynes@359 | 3713 | }
|
nkeynes@359 | 3714 | break;
|
nkeynes@359 | 3715 | default:
|
nkeynes@359 | 3716 | UNDEF();
|
nkeynes@359 | 3717 | break;
|
nkeynes@359 | 3718 | }
|
nkeynes@359 | 3719 | break;
|
nkeynes@359 | 3720 | }
|
nkeynes@359 | 3721 | break;
|
nkeynes@359 | 3722 | }
|
nkeynes@359 | 3723 | break;
|
nkeynes@359 | 3724 | default:
|
nkeynes@359 | 3725 | UNDEF();
|
nkeynes@359 | 3726 | break;
|
nkeynes@359 | 3727 | }
|
nkeynes@359 | 3728 | break;
|
nkeynes@359 | 3729 | case 0xE:
|
nkeynes@359 | 3730 | { /* FMAC FR0, FRm, FRn */
|
nkeynes@359 | 3731 | uint32_t FRn = ((ir>>8)&0xF); uint32_t FRm = ((ir>>4)&0xF);
|
nkeynes@377 | 3732 | check_fpuen();
|
nkeynes@377 | 3733 | load_spreg( R_ECX, R_FPSCR );
|
nkeynes@377 | 3734 | load_spreg( R_EDX, REG_OFFSET(fr_bank));
|
nkeynes@377 | 3735 | TEST_imm32_r32( FPSCR_PR, R_ECX );
|
nkeynes@380 | 3736 | JNE_rel8(18, doubleprec);
|
nkeynes@377 | 3737 | push_fr( R_EDX, 0 );
|
nkeynes@377 | 3738 | push_fr( R_EDX, FRm );
|
nkeynes@377 | 3739 | FMULP_st(1);
|
nkeynes@377 | 3740 | push_fr( R_EDX, FRn );
|
nkeynes@377 | 3741 | FADDP_st(1);
|
nkeynes@377 | 3742 | pop_fr( R_EDX, FRn );
|
nkeynes@380 | 3743 | JMP_rel8(16, end);
|
nkeynes@380 | 3744 | JMP_TARGET(doubleprec);
|
nkeynes@377 | 3745 | push_dr( R_EDX, 0 );
|
nkeynes@377 | 3746 | push_dr( R_EDX, FRm );
|
nkeynes@377 | 3747 | FMULP_st(1);
|
nkeynes@377 | 3748 | push_dr( R_EDX, FRn );
|
nkeynes@377 | 3749 | FADDP_st(1);
|
nkeynes@377 | 3750 | pop_dr( R_EDX, FRn );
|
nkeynes@380 | 3751 | JMP_TARGET(end);
|
nkeynes@417 | 3752 | sh4_x86.tstate = TSTATE_NONE;
|
nkeynes@359 | 3753 | }
|
nkeynes@359 | 3754 | break;
|
nkeynes@359 | 3755 | default:
|
nkeynes@359 | 3756 | UNDEF();
|
nkeynes@359 | 3757 | break;
|
nkeynes@359 | 3758 | }
|
nkeynes@359 | 3759 | break;
|
nkeynes@359 | 3760 | }
|
nkeynes@359 | 3761 |
|
nkeynes@416 | 3762 | sh4_x86.in_delay_slot = FALSE;
|
nkeynes@359 | 3763 | return 0;
|
nkeynes@359 | 3764 | }
|