| 1 |
/* |
| 2 |
* Copyright (C) 2005-2007 Anders Gavare. All rights reserved. |
| 3 |
* |
| 4 |
* Redistribution and use in source and binary forms, with or without |
| 5 |
* modification, are permitted provided that the following conditions are met: |
| 6 |
* |
| 7 |
* 1. Redistributions of source code must retain the above copyright |
| 8 |
* notice, this list of conditions and the following disclaimer. |
| 9 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 10 |
* notice, this list of conditions and the following disclaimer in the |
| 11 |
* documentation and/or other materials provided with the distribution. |
| 12 |
* 3. The name of the author may not be used to endorse or promote products |
| 13 |
* derived from this software without specific prior written permission. |
| 14 |
* |
| 15 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 16 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 19 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 20 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 21 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 22 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 23 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 24 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 25 |
* SUCH DAMAGE. |
| 26 |
* |
| 27 |
* |
| 28 |
* $Id: cpu_sh.c,v 1.62 2007/03/08 19:04:09 debug Exp $ |
| 29 |
* |
| 30 |
* Hitachi SuperH ("SH") CPU emulation. |
| 31 |
* |
| 32 |
* TODO: It would be nice if this could encompass both 64-bit SH5, and |
| 33 |
* 32-bit SH encodings. Right now, it only really supports 32-bit mode. |
| 34 |
*/ |
| 35 |
|
| 36 |
#include <stdio.h> |
| 37 |
#include <stdlib.h> |
| 38 |
#include <string.h> |
| 39 |
#include <ctype.h> |
| 40 |
#include <unistd.h> |
| 41 |
|
| 42 |
#include "cpu.h" |
| 43 |
#include "device.h" |
| 44 |
#include "float_emul.h" |
| 45 |
#include "interrupt.h" |
| 46 |
#include "machine.h" |
| 47 |
#include "memory.h" |
| 48 |
#include "misc.h" |
| 49 |
#include "settings.h" |
| 50 |
#include "symbol.h" |
| 51 |
|
| 52 |
#include "sh4_exception.h" |
| 53 |
#include "sh4_mmu.h" |
| 54 |
|
| 55 |
|
| 56 |
#define DYNTRANS_32 |
| 57 |
#define DYNTRANS_DELAYSLOT |
| 58 |
#include "tmp_sh_head.c" |
| 59 |
|
| 60 |
|
| 61 |
extern int quiet_mode; |
| 62 |
|
| 63 |
void sh_pc_to_pointers(struct cpu *); |
| 64 |
|
| 65 |
|
| 66 |
/* |
| 67 |
* sh_cpu_new(): |
| 68 |
* |
| 69 |
* Create a new SH cpu object. |
| 70 |
* |
| 71 |
* Returns 1 on success, 0 if there was no matching SH processor with |
| 72 |
* this cpu_type_name. |
| 73 |
*/ |
| 74 |
int sh_cpu_new(struct cpu *cpu, struct memory *mem, struct machine *machine, |
| 75 |
int cpu_id, char *cpu_type_name) |
| 76 |
{ |
| 77 |
int i = 0; |
| 78 |
struct sh_cpu_type_def cpu_type_defs[] = SH_CPU_TYPE_DEFS; |
| 79 |
|
| 80 |
/* Scan the cpu_type_defs list for this cpu type: */ |
| 81 |
while (cpu_type_defs[i].name != NULL) { |
| 82 |
if (strcasecmp(cpu_type_defs[i].name, cpu_type_name) == 0) { |
| 83 |
break; |
| 84 |
} |
| 85 |
i++; |
| 86 |
} |
| 87 |
if (cpu_type_defs[i].name == NULL) |
| 88 |
return 0; |
| 89 |
|
| 90 |
cpu->memory_rw = sh_memory_rw; |
| 91 |
|
| 92 |
cpu->cd.sh.cpu_type = cpu_type_defs[i]; |
| 93 |
cpu->byte_order = EMUL_LITTLE_ENDIAN; |
| 94 |
cpu->is_32bit = cpu->cd.sh.cpu_type.bits == 32; |
| 95 |
cpu->cd.sh.compact = 1; /* Default to 16-bit opcode mode */ |
| 96 |
|
| 97 |
if (!cpu->is_32bit) { |
| 98 |
fatal("SH64 emulation not implemented. Sorry.\n"); |
| 99 |
exit(1); |
| 100 |
} |
| 101 |
|
| 102 |
cpu->instruction_has_delayslot = sh_cpu_instruction_has_delayslot; |
| 103 |
|
| 104 |
cpu->translate_v2p = sh_translate_v2p; |
| 105 |
|
| 106 |
cpu->run_instr = sh_run_instr; |
| 107 |
cpu->update_translation_table = sh_update_translation_table; |
| 108 |
cpu->invalidate_translation_caches = |
| 109 |
sh_invalidate_translation_caches; |
| 110 |
cpu->invalidate_code_translation = |
| 111 |
sh_invalidate_code_translation; |
| 112 |
|
| 113 |
/* Only show name and caches etc for CPU nr 0 (in SMP machines): */ |
| 114 |
if (cpu_id == 0) { |
| 115 |
debug("%s", cpu->name); |
| 116 |
} |
| 117 |
|
| 118 |
/* Initial value of FPSCR (according to the SH4 manual): */ |
| 119 |
cpu->cd.sh.fpscr = 0x00040001; |
| 120 |
|
| 121 |
/* (Initial value of the program counter on reboot is 0xA0000000.) */ |
| 122 |
|
| 123 |
/* Start in Privileged Mode: */ |
| 124 |
cpu->cd.sh.sr = SH_SR_MD | SH_SR_IMASK; |
| 125 |
|
| 126 |
/* Stack pointer at end of physical RAM: */ |
| 127 |
cpu->cd.sh.r[15] = cpu->machine->physical_ram_in_mb * 1048576 - 64; |
| 128 |
|
| 129 |
CPU_SETTINGS_ADD_REGISTER64("pc", cpu->pc); |
| 130 |
CPU_SETTINGS_ADD_REGISTER32("sr", cpu->cd.sh.sr); |
| 131 |
CPU_SETTINGS_ADD_REGISTER32("pr", cpu->cd.sh.pr); |
| 132 |
CPU_SETTINGS_ADD_REGISTER32("vbr", cpu->cd.sh.vbr); |
| 133 |
CPU_SETTINGS_ADD_REGISTER32("gbr", cpu->cd.sh.gbr); |
| 134 |
CPU_SETTINGS_ADD_REGISTER32("macl", cpu->cd.sh.macl); |
| 135 |
CPU_SETTINGS_ADD_REGISTER32("mach", cpu->cd.sh.mach); |
| 136 |
CPU_SETTINGS_ADD_REGISTER32("expevt", cpu->cd.sh.expevt); |
| 137 |
CPU_SETTINGS_ADD_REGISTER32("intevt", cpu->cd.sh.intevt); |
| 138 |
CPU_SETTINGS_ADD_REGISTER32("tra", cpu->cd.sh.tra); |
| 139 |
CPU_SETTINGS_ADD_REGISTER32("fpscr", cpu->cd.sh.fpscr); |
| 140 |
CPU_SETTINGS_ADD_REGISTER32("fpul", cpu->cd.sh.fpul); |
| 141 |
for (i=0; i<SH_N_GPRS; i++) { |
| 142 |
char tmpstr[5]; |
| 143 |
snprintf(tmpstr, sizeof(tmpstr), "r%i", i); |
| 144 |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.r[i]); |
| 145 |
} |
| 146 |
for (i=0; i<SH_N_GPRS_BANKED; i++) { |
| 147 |
char tmpstr[15]; |
| 148 |
snprintf(tmpstr, sizeof(tmpstr), "r%i_bank", i); |
| 149 |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.r_bank[i]); |
| 150 |
} |
| 151 |
for (i=0; i<SH_N_FPRS; i++) { |
| 152 |
char tmpstr[6]; |
| 153 |
snprintf(tmpstr, sizeof(tmpstr), "fr%i", i); |
| 154 |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.fr[i]); |
| 155 |
snprintf(tmpstr, sizeof(tmpstr), "xf%i", i); |
| 156 |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.xf[i]); |
| 157 |
} |
| 158 |
for (i=0; i<SH_N_ITLB_ENTRIES; i++) { |
| 159 |
char tmpstr[15]; |
| 160 |
snprintf(tmpstr, sizeof(tmpstr), "itlb_hi_%i", i); |
| 161 |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.itlb_hi[i]); |
| 162 |
snprintf(tmpstr, sizeof(tmpstr), "itlb_lo_%i", i); |
| 163 |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.itlb_lo[i]); |
| 164 |
} |
| 165 |
for (i=0; i<SH_N_UTLB_ENTRIES; i++) { |
| 166 |
char tmpstr[15]; |
| 167 |
snprintf(tmpstr, sizeof(tmpstr), "utlb_hi_%i", i); |
| 168 |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.utlb_hi[i]); |
| 169 |
snprintf(tmpstr, sizeof(tmpstr), "utlb_lo_%i", i); |
| 170 |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.utlb_lo[i]); |
| 171 |
} |
| 172 |
|
| 173 |
/* Register the CPU's interrupts: */ |
| 174 |
for (i=SH_INTEVT_NMI; i<0x1000; i+=0x20) { |
| 175 |
struct interrupt template; |
| 176 |
char name[100]; |
| 177 |
snprintf(name, sizeof(name), "%s.irq[0x%x]", cpu->path, i); |
| 178 |
memset(&template, 0, sizeof(template)); |
| 179 |
template.line = i; |
| 180 |
template.name = name; |
| 181 |
template.extra = cpu; |
| 182 |
template.interrupt_assert = sh_cpu_interrupt_assert; |
| 183 |
template.interrupt_deassert = sh_cpu_interrupt_deassert; |
| 184 |
interrupt_handler_register(&template); |
| 185 |
} |
| 186 |
|
| 187 |
/* SH4-specific memory mapped registers, TLBs, caches, etc: */ |
| 188 |
if (cpu->cd.sh.cpu_type.arch == 4) |
| 189 |
device_add(machine, "sh4"); |
| 190 |
|
| 191 |
return 1; |
| 192 |
} |
| 193 |
|
| 194 |
|
| 195 |
/* |
| 196 |
* sh_cpu_interrupt_assert(): |
| 197 |
*/ |
| 198 |
void sh_cpu_interrupt_assert(struct interrupt *interrupt) |
| 199 |
{ |
| 200 |
struct cpu *cpu = interrupt->extra; |
| 201 |
int irq_nr = interrupt->line; |
| 202 |
int word_index, bit_index; |
| 203 |
|
| 204 |
/* |
| 205 |
* Note: This gives higher interrupt priority to lower number |
| 206 |
* interrupts. Hopefully this is correct. |
| 207 |
*/ |
| 208 |
|
| 209 |
if (cpu->cd.sh.int_to_assert == 0 || irq_nr < cpu->cd.sh.int_to_assert) |
| 210 |
cpu->cd.sh.int_to_assert = irq_nr; |
| 211 |
|
| 212 |
/* |
| 213 |
* TODO: Keep track of all pending interrupts at multiple levels... |
| 214 |
* |
| 215 |
* This is just a quick hack: |
| 216 |
*/ |
| 217 |
cpu->cd.sh.int_level = 1; |
| 218 |
if (irq_nr == SH_INTEVT_TMU0_TUNI0) |
| 219 |
cpu->cd.sh.int_level = (cpu->cd.sh.intc_ipra >> 12) & 0xf; |
| 220 |
if (irq_nr == SH_INTEVT_TMU1_TUNI1) |
| 221 |
cpu->cd.sh.int_level = (cpu->cd.sh.intc_ipra >> 8) & 0xf; |
| 222 |
if (irq_nr == SH_INTEVT_TMU2_TUNI2) |
| 223 |
cpu->cd.sh.int_level = (cpu->cd.sh.intc_ipra >> 4) & 0xf; |
| 224 |
if (irq_nr >= SH4_INTEVT_SCIF_ERI && |
| 225 |
irq_nr <= SH4_INTEVT_SCIF_TXI) |
| 226 |
cpu->cd.sh.int_level = (cpu->cd.sh.intc_iprc >> 4) & 0xf; |
| 227 |
|
| 228 |
irq_nr /= 0x20; |
| 229 |
word_index = irq_nr / (sizeof(uint32_t)*8); |
| 230 |
bit_index = irq_nr & ((sizeof(uint32_t)*8) - 1); |
| 231 |
|
| 232 |
cpu->cd.sh.int_pending[word_index] |= (1 << bit_index); |
| 233 |
} |
| 234 |
|
| 235 |
|
| 236 |
/* |
| 237 |
* sh_cpu_interrupt_deassert(): |
| 238 |
*/ |
| 239 |
void sh_cpu_interrupt_deassert(struct interrupt *interrupt) |
| 240 |
{ |
| 241 |
struct cpu *cpu = interrupt->extra; |
| 242 |
int irq_nr = interrupt->line; |
| 243 |
int word_index, bit_index; |
| 244 |
|
| 245 |
if (cpu->cd.sh.int_to_assert == irq_nr) { |
| 246 |
/* |
| 247 |
* Rescan all interrupts to see if any are still asserted. |
| 248 |
* |
| 249 |
* Note: The scan only has to go from irq_nr + 0x20 to the max |
| 250 |
* index, since any lower interrupt cannot be asserted |
| 251 |
* at this time. |
| 252 |
*/ |
| 253 |
int i, max = 0x1000; |
| 254 |
cpu->cd.sh.int_to_assert = 0; |
| 255 |
|
| 256 |
for (i=irq_nr+0x20; i<max; i+=0x20) { |
| 257 |
int j = i / 0x20; |
| 258 |
int word_index = j / (sizeof(uint32_t)*8); |
| 259 |
int bit_index = j & ((sizeof(uint32_t)*8) - 1); |
| 260 |
|
| 261 |
/* Skip entire word if no bits are set: */ |
| 262 |
if (bit_index == 0 && |
| 263 |
cpu->cd.sh.int_pending[word_index] == 0) |
| 264 |
i += (sizeof(uint32_t)*8 - 1) * 0x20; |
| 265 |
else if (cpu->cd.sh.int_pending[word_index] |
| 266 |
& (1 << bit_index)) { |
| 267 |
cpu->cd.sh.int_to_assert = i; |
| 268 |
|
| 269 |
|
| 270 |
/* Hack. TODO: Fix. */ |
| 271 |
cpu->cd.sh.int_level = 1; |
| 272 |
if (i == SH_INTEVT_TMU0_TUNI0) |
| 273 |
cpu->cd.sh.int_level = (cpu->cd.sh.intc_ipra >> 12) & 0xf; |
| 274 |
if (i == SH_INTEVT_TMU1_TUNI1) |
| 275 |
cpu->cd.sh.int_level = (cpu->cd.sh.intc_ipra >> 8) & 0xf; |
| 276 |
if (i == SH_INTEVT_TMU2_TUNI2) |
| 277 |
cpu->cd.sh.int_level = (cpu->cd.sh.intc_ipra >> 4) & 0xf; |
| 278 |
if (i >= SH4_INTEVT_SCIF_ERI && |
| 279 |
i <= SH4_INTEVT_SCIF_TXI) |
| 280 |
cpu->cd.sh.int_level = (cpu->cd.sh.intc_iprc >> 4) & 0xf; |
| 281 |
|
| 282 |
|
| 283 |
break; |
| 284 |
} |
| 285 |
} |
| 286 |
} |
| 287 |
|
| 288 |
irq_nr /= 0x20; |
| 289 |
word_index = irq_nr / (sizeof(uint32_t)*8); |
| 290 |
bit_index = irq_nr & ((sizeof(uint32_t)*8) - 1); |
| 291 |
|
| 292 |
cpu->cd.sh.int_pending[word_index] &= ~(1 << bit_index); |
| 293 |
} |
| 294 |
|
| 295 |
|
| 296 |
/* |
| 297 |
* sh_cpu_list_available_types(): |
| 298 |
* |
| 299 |
* Print a list of available SH CPU types. |
| 300 |
*/ |
| 301 |
void sh_cpu_list_available_types(void) |
| 302 |
{ |
| 303 |
int i = 0, j; |
| 304 |
struct sh_cpu_type_def tdefs[] = SH_CPU_TYPE_DEFS; |
| 305 |
|
| 306 |
while (tdefs[i].name != NULL) { |
| 307 |
debug("%s", tdefs[i].name); |
| 308 |
for (j=10 - strlen(tdefs[i].name); j>0; j--) |
| 309 |
debug(" "); |
| 310 |
i ++; |
| 311 |
if ((i % 6) == 0 || tdefs[i].name == NULL) |
| 312 |
debug("\n"); |
| 313 |
} |
| 314 |
} |
| 315 |
|
| 316 |
|
| 317 |
/* |
| 318 |
* sh_cpu_dumpinfo(): |
| 319 |
*/ |
| 320 |
void sh_cpu_dumpinfo(struct cpu *cpu) |
| 321 |
{ |
| 322 |
debug(" (%s-endian)\n", |
| 323 |
cpu->byte_order == EMUL_BIG_ENDIAN? "Big" : "Little"); |
| 324 |
} |
| 325 |
|
| 326 |
|
| 327 |
/* |
| 328 |
* sh_cpu_instruction_has_delayslot(): |
| 329 |
* |
| 330 |
* Return 1 if an opcode is a branch, 0 otherwise. |
| 331 |
*/ |
| 332 |
int sh_cpu_instruction_has_delayslot(struct cpu *cpu, unsigned char *ib) |
| 333 |
{ |
| 334 |
uint16_t iword = *((uint16_t *)&ib[0]); |
| 335 |
int hi4, lo4, lo8; |
| 336 |
|
| 337 |
if (!cpu->is_32bit) |
| 338 |
return 0; |
| 339 |
|
| 340 |
if (cpu->byte_order == EMUL_BIG_ENDIAN) |
| 341 |
iword = BE16_TO_HOST(iword); |
| 342 |
else |
| 343 |
iword = LE16_TO_HOST(iword); |
| 344 |
|
| 345 |
hi4 = iword >> 12; lo4 = iword & 15; lo8 = iword & 255; |
| 346 |
|
| 347 |
switch (hi4) { |
| 348 |
case 0x0: |
| 349 |
if (iword == 0x000b) /* rts */ |
| 350 |
return 1; |
| 351 |
if (iword == 0x002b) /* rte */ |
| 352 |
return 1; |
| 353 |
if (lo8 == 0x03) /* bsrf */ |
| 354 |
return 1; |
| 355 |
if (lo8 == 0x23) /* braf */ |
| 356 |
return 1; |
| 357 |
break; |
| 358 |
case 0x4: |
| 359 |
switch (lo8) { |
| 360 |
case 0x0b: /* jsr */ |
| 361 |
case 0x2b: /* jmp */ |
| 362 |
return 1; |
| 363 |
} |
| 364 |
break; |
| 365 |
case 0x8: |
| 366 |
switch ((iword >> 8) & 0xf) { |
| 367 |
case 0xd: /* bt/s */ |
| 368 |
case 0xf: /* bf/s */ |
| 369 |
return 1; |
| 370 |
} |
| 371 |
break; |
| 372 |
case 0xa: /* bra */ |
| 373 |
case 0xb: /* bsr */ |
| 374 |
return 1; |
| 375 |
} |
| 376 |
|
| 377 |
return 0; |
| 378 |
} |
| 379 |
|
| 380 |
|
| 381 |
/* |
| 382 |
* sh_cpu_register_dump(): |
| 383 |
* |
| 384 |
* Dump cpu registers in a relatively readable format. |
| 385 |
* |
| 386 |
* gprs: set to non-zero to dump GPRs and some special-purpose registers. |
| 387 |
* coprocs: set bit 0..3 to dump registers in coproc 0..3. |
| 388 |
*/ |
| 389 |
void sh_cpu_register_dump(struct cpu *cpu, int gprs, int coprocs) |
| 390 |
{ |
| 391 |
char *symbol; |
| 392 |
uint64_t offset; |
| 393 |
int i, x = cpu->cpu_id, nregs = cpu->cd.sh.compact? 16 : 64; |
| 394 |
|
| 395 |
if (gprs) { |
| 396 |
/* Special registers (pc, ...) first: */ |
| 397 |
symbol = get_symbol_name(&cpu->machine->symbol_context, |
| 398 |
cpu->pc, &offset); |
| 399 |
|
| 400 |
debug("cpu%i: pc = 0x%08"PRIx32, x, (uint32_t)cpu->pc); |
| 401 |
debug(" <%s>\n", symbol != NULL? symbol : " no symbol "); |
| 402 |
|
| 403 |
debug("cpu%i: sr = 0x%08"PRIx32" (%s, %s, %s, %s, %s, %s," |
| 404 |
" imask=0x%x, %s, %s)\n", x, (int32_t)cpu->cd.sh.sr, |
| 405 |
(cpu->cd.sh.sr & SH_SR_MD)? "MD" : "!md", |
| 406 |
(cpu->cd.sh.sr & SH_SR_RB)? "RB" : "!rb", |
| 407 |
(cpu->cd.sh.sr & SH_SR_BL)? "BL" : "!bl", |
| 408 |
(cpu->cd.sh.sr & SH_SR_FD)? "FD" : "!fd", |
| 409 |
(cpu->cd.sh.sr & SH_SR_M)? "M" : "!m", |
| 410 |
(cpu->cd.sh.sr & SH_SR_Q)? "Q" : "!q", |
| 411 |
(cpu->cd.sh.sr & SH_SR_IMASK) >> SH_SR_IMASK_SHIFT, |
| 412 |
(cpu->cd.sh.sr & SH_SR_S)? "S" : "!s", |
| 413 |
(cpu->cd.sh.sr & SH_SR_T)? "T" : "!t"); |
| 414 |
|
| 415 |
symbol = get_symbol_name(&cpu->machine->symbol_context, |
| 416 |
cpu->cd.sh.pr, &offset); |
| 417 |
debug("cpu%i: pr = 0x%08"PRIx32, x, (uint32_t)cpu->cd.sh.pr); |
| 418 |
debug(" <%s>\n", symbol != NULL? symbol : " no symbol "); |
| 419 |
|
| 420 |
debug("cpu%i: mach = 0x%08"PRIx32" macl = 0x%08"PRIx32 |
| 421 |
" gbr = 0x%08"PRIx32"\n", x, (uint32_t)cpu->cd.sh.mach, |
| 422 |
(uint32_t)cpu->cd.sh.macl, (uint32_t)cpu->cd.sh.gbr); |
| 423 |
|
| 424 |
for (i=0; i<nregs; i++) { |
| 425 |
if ((i % 4) == 0) |
| 426 |
debug("cpu%i:", x); |
| 427 |
debug(" r%-2i = 0x%08x ", i, (int)cpu->cd.sh.r[i]); |
| 428 |
if ((i % 4) == 3) |
| 429 |
debug("\n"); |
| 430 |
} |
| 431 |
} |
| 432 |
|
| 433 |
if (coprocs & 1) { |
| 434 |
/* Floating point: */ |
| 435 |
debug("cpu%i: fpscr = 0x%08"PRIx32" fpul = 0x%08"PRIx32 |
| 436 |
"\n", x, cpu->cd.sh.fpscr, cpu->cd.sh.fpul); |
| 437 |
|
| 438 |
for (i=0; i<SH_N_FPRS; i++) { |
| 439 |
if ((i % 4) == 0) |
| 440 |
debug("cpu%i:", x); |
| 441 |
debug(" fr%-2i=0x%08x ", i, (int)cpu->cd.sh.fr[i]); |
| 442 |
if ((i % 4) == 3) |
| 443 |
debug("\n"); |
| 444 |
} |
| 445 |
|
| 446 |
for (i=0; i<SH_N_FPRS; i++) { |
| 447 |
if ((i % 4) == 0) |
| 448 |
debug("cpu%i:", x); |
| 449 |
debug(" xf%-2i=0x%08x ", i, (int)cpu->cd.sh.xf[i]); |
| 450 |
if ((i % 4) == 3) |
| 451 |
debug("\n"); |
| 452 |
} |
| 453 |
} |
| 454 |
|
| 455 |
if (coprocs & 2) { |
| 456 |
/* System registers, etc: */ |
| 457 |
debug("cpu%i: vbr = 0x%08"PRIx32" sgr = 0x%08"PRIx32 |
| 458 |
"\n", x, cpu->cd.sh.vbr, cpu->cd.sh.sgr); |
| 459 |
debug("cpu%i: spc = 0x%08"PRIx32" ssr = 0x%08"PRIx32"\n", |
| 460 |
x, cpu->cd.sh.spc, cpu->cd.sh.ssr); |
| 461 |
debug("cpu%i: expevt = 0x%"PRIx32" intevt = 0x%"PRIx32 |
| 462 |
" tra = 0x%"PRIx32"\n", x, cpu->cd.sh.expevt, |
| 463 |
cpu->cd.sh.intevt, cpu->cd.sh.tra); |
| 464 |
|
| 465 |
for (i=0; i<SH_N_GPRS_BANKED; i++) { |
| 466 |
if ((i % 2) == 0) |
| 467 |
debug("cpu%i:", x); |
| 468 |
debug(" r%i_bank = 0x%08x ", i, |
| 469 |
(int)cpu->cd.sh.r_bank[i]); |
| 470 |
if ((i % 2) == 1) |
| 471 |
debug("\n"); |
| 472 |
} |
| 473 |
} |
| 474 |
} |
| 475 |
|
| 476 |
|
| 477 |
/* |
| 478 |
* sh_cpu_tlbdump(): |
| 479 |
* |
| 480 |
* Called from the debugger to dump the TLB in a readable format. |
| 481 |
* x is the cpu number to dump, or -1 to dump all CPUs. |
| 482 |
* |
| 483 |
* If rawflag is nonzero, then the TLB contents isn't formated nicely, |
| 484 |
* just dumped. |
| 485 |
*/ |
| 486 |
void sh_cpu_tlbdump(struct machine *m, int x, int rawflag) |
| 487 |
{ |
| 488 |
int i, j; |
| 489 |
|
| 490 |
for (j=0; j<m->ncpus; j++) { |
| 491 |
struct cpu *cpu = m->cpus[j]; |
| 492 |
|
| 493 |
if (x >= 0 && j != x) |
| 494 |
continue; |
| 495 |
|
| 496 |
for (i=0; i<SH_N_ITLB_ENTRIES; i++) |
| 497 |
printf("cpu%i: itlb_hi_%-2i = 0x%08"PRIx32" " |
| 498 |
"itlb_lo_%-2i = 0x%08"PRIx32"\n", j, i, |
| 499 |
(uint32_t) cpu->cd.sh.itlb_hi[i], i, |
| 500 |
(uint32_t) cpu->cd.sh.itlb_lo[i]); |
| 501 |
for (i=0; i<SH_N_UTLB_ENTRIES; i++) |
| 502 |
printf("cpu%i: utlb_hi_%-2i = 0x%08"PRIx32" " |
| 503 |
"utlb_lo_%-2i = 0x%08"PRIx32"\n", j, i, |
| 504 |
(uint32_t) cpu->cd.sh.utlb_hi[i], i, |
| 505 |
(uint32_t) cpu->cd.sh.utlb_lo[i]); |
| 506 |
} |
| 507 |
} |
| 508 |
|
| 509 |
|
| 510 |
/* |
| 511 |
* sh_cpu_gdb_stub(): |
| 512 |
* |
| 513 |
* Execute a "remote GDB" command. Returns a newly allocated response string |
| 514 |
* on success, NULL on failure. |
| 515 |
*/ |
| 516 |
char *sh_cpu_gdb_stub(struct cpu *cpu, char *cmd) |
| 517 |
{ |
| 518 |
fatal("sh_cpu_gdb_stub(): TODO\n"); |
| 519 |
return NULL; |
| 520 |
} |
| 521 |
|
| 522 |
|
| 523 |
/* |
| 524 |
* sh_update_sr(): |
| 525 |
* |
| 526 |
* Writes a new value to the status register. |
| 527 |
*/ |
| 528 |
void sh_update_sr(struct cpu *cpu, uint32_t new_sr) |
| 529 |
{ |
| 530 |
uint32_t old_sr = cpu->cd.sh.sr; |
| 531 |
|
| 532 |
if ((new_sr & SH_SR_RB) != (old_sr & SH_SR_RB)) { |
| 533 |
int i; |
| 534 |
for (i=0; i<SH_N_GPRS_BANKED; i++) { |
| 535 |
uint32_t tmp = cpu->cd.sh.r[i]; |
| 536 |
cpu->cd.sh.r[i] = cpu->cd.sh.r_bank[i]; |
| 537 |
cpu->cd.sh.r_bank[i] = tmp; |
| 538 |
} |
| 539 |
} |
| 540 |
|
| 541 |
cpu->cd.sh.sr = new_sr; |
| 542 |
} |
| 543 |
|
| 544 |
|
| 545 |
/* |
| 546 |
* sh_update_fpscr(): |
| 547 |
* |
| 548 |
* Writes a new value to the floating-point status/control register. |
| 549 |
*/ |
| 550 |
void sh_update_fpscr(struct cpu *cpu, uint32_t new_fpscr) |
| 551 |
{ |
| 552 |
uint32_t old_fpscr = cpu->cd.sh.fpscr; |
| 553 |
|
| 554 |
if ((new_fpscr & SH_FPSCR_FR) != (old_fpscr & SH_FPSCR_FR)) { |
| 555 |
int i; |
| 556 |
for (i=0; i<SH_N_FPRS; i++) { |
| 557 |
uint32_t tmp = cpu->cd.sh.fr[i]; |
| 558 |
cpu->cd.sh.fr[i] = cpu->cd.sh.xf[i]; |
| 559 |
cpu->cd.sh.xf[i] = tmp; |
| 560 |
} |
| 561 |
} |
| 562 |
|
| 563 |
cpu->cd.sh.fpscr = new_fpscr; |
| 564 |
} |
| 565 |
|
| 566 |
|
| 567 |
/* |
| 568 |
* sh_exception(): |
| 569 |
* |
| 570 |
* Causes a transfer of control to an exception or interrupt handler. |
| 571 |
* If intevt > 0, then it is an interrupt, otherwise an exception. |
| 572 |
*/ |
| 573 |
void sh_exception(struct cpu *cpu, int expevt, int intevt, uint32_t vaddr) |
| 574 |
{ |
| 575 |
uint32_t vbr = cpu->cd.sh.vbr; |
| 576 |
|
| 577 |
if (!quiet_mode) { |
| 578 |
if (intevt > 0) |
| 579 |
debug("[ interrupt 0x%03x", intevt); |
| 580 |
else |
| 581 |
debug("[ exception 0x%03x", expevt); |
| 582 |
|
| 583 |
debug(", pc=0x%08"PRIx32" ", (uint32_t)vaddr); |
| 584 |
if (intevt == 0) |
| 585 |
debug("vaddr=0x%08"PRIx32" ", vaddr); |
| 586 |
|
| 587 |
debug(" ]\n"); |
| 588 |
} |
| 589 |
|
| 590 |
if (cpu->cd.sh.sr & SH_SR_BL) { |
| 591 |
fatal("sh_exception(): BL bit already set. TODO\n"); |
| 592 |
|
| 593 |
/* This is actually OK in two cases: a User Break, |
| 594 |
or on NMI interrupts if a special flag is set? */ |
| 595 |
/* TODO */ |
| 596 |
|
| 597 |
expevt = EXPEVT_RESET_POWER; |
| 598 |
} |
| 599 |
|
| 600 |
if (cpu->is_halted) { |
| 601 |
/* |
| 602 |
* If the exception occurred on a 'sleep' instruction, then let |
| 603 |
* the instruction following the sleep instruction be the one |
| 604 |
* where execution resumes when the interrupt service routine |
| 605 |
* returns. |
| 606 |
*/ |
| 607 |
cpu->is_halted = 0; |
| 608 |
cpu->pc += sizeof(uint16_t); |
| 609 |
} |
| 610 |
|
| 611 |
if (cpu->delay_slot) { |
| 612 |
cpu->delay_slot = EXCEPTION_IN_DELAY_SLOT; |
| 613 |
cpu->pc -= sizeof(uint16_t); |
| 614 |
} |
| 615 |
|
| 616 |
/* Stuff common to all exceptions: */ |
| 617 |
cpu->cd.sh.spc = cpu->pc; |
| 618 |
cpu->cd.sh.ssr = cpu->cd.sh.sr; |
| 619 |
cpu->cd.sh.sgr = cpu->cd.sh.r[15]; |
| 620 |
if (intevt > 0) { |
| 621 |
cpu->cd.sh.intevt = intevt; |
| 622 |
expevt = -1; |
| 623 |
} else |
| 624 |
cpu->cd.sh.expevt = expevt; |
| 625 |
sh_update_sr(cpu, cpu->cd.sh.sr | SH_SR_MD | SH_SR_RB | SH_SR_BL); |
| 626 |
|
| 627 |
/* Most exceptions set PC to VBR + 0x100. */ |
| 628 |
cpu->pc = vbr + 0x100; |
| 629 |
|
| 630 |
/* Specific cases: */ |
| 631 |
switch (expevt) { |
| 632 |
|
| 633 |
case -1: /* Interrupt */ |
| 634 |
cpu->pc = vbr + 0x600; |
| 635 |
break; |
| 636 |
|
| 637 |
case EXPEVT_RESET_POWER: |
| 638 |
case EXPEVT_RESET_MANUAL: |
| 639 |
cpu->pc = 0xa0000000; |
| 640 |
cpu->cd.sh.vbr = 0x00000000; |
| 641 |
sh_update_sr(cpu, (cpu->cd.sh.sr | SH_SR_IMASK) & ~SH_SR_FD); |
| 642 |
break; |
| 643 |
|
| 644 |
case EXPEVT_TLB_MISS_LD: |
| 645 |
case EXPEVT_TLB_MISS_ST: |
| 646 |
cpu->pc = vbr + 0x400; |
| 647 |
case EXPEVT_TLB_PROT_LD: |
| 648 |
case EXPEVT_TLB_PROT_ST: |
| 649 |
case EXPEVT_TLB_MOD: |
| 650 |
cpu->cd.sh.tea = vaddr; |
| 651 |
cpu->cd.sh.pteh &= ~SH4_PTEH_VPN_MASK; |
| 652 |
cpu->cd.sh.pteh |= (vaddr & SH4_PTEH_VPN_MASK); |
| 653 |
break; |
| 654 |
|
| 655 |
case EXPEVT_TRAPA: |
| 656 |
/* Note: The TRA register is already set by the |
| 657 |
implementation of the trapa instruction. See |
| 658 |
cpu_sh_instr.c. */ |
| 659 |
cpu->cd.sh.spc += sizeof(uint16_t); |
| 660 |
break; |
| 661 |
|
| 662 |
case EXPEVT_RES_INST: |
| 663 |
/* |
| 664 |
* Note: Having this code here makes it possible to catch |
| 665 |
* reserved instructions; during normal instruction execution, |
| 666 |
* these are not very common. |
| 667 |
*/ |
| 668 |
#if 1 |
| 669 |
printf("\nRESERVED SuperH instruction at spc=%08"PRIx32"\n", |
| 670 |
cpu->cd.sh.spc); |
| 671 |
exit(1); |
| 672 |
#else |
| 673 |
break; |
| 674 |
#endif |
| 675 |
|
| 676 |
case EXPEVT_FPU_DISABLE: |
| 677 |
break; |
| 678 |
|
| 679 |
default:fatal("sh_exception(): exception 0x%x is not yet " |
| 680 |
"implemented.\n", expevt); |
| 681 |
exit(1); |
| 682 |
} |
| 683 |
|
| 684 |
sh_pc_to_pointers(cpu); |
| 685 |
} |
| 686 |
|
| 687 |
|
| 688 |
/* |
| 689 |
* sh_cpu_disassemble_instr_compact(): |
| 690 |
* |
| 691 |
* SHcompact instruction disassembly. The top 4 bits of each 16-bit |
| 692 |
* instruction word is used as the main opcode. For most instructions, the |
| 693 |
* lowest 4 or 8 bits then select sub-opcode. |
| 694 |
*/ |
| 695 |
int sh_cpu_disassemble_instr_compact(struct cpu *cpu, unsigned char *instr, |
| 696 |
int running, uint64_t dumpaddr) |
| 697 |
{ |
| 698 |
uint64_t addr; |
| 699 |
uint16_t iword; |
| 700 |
int hi4, lo4, lo8, r8, r4; |
| 701 |
|
| 702 |
if (cpu->byte_order == EMUL_BIG_ENDIAN) |
| 703 |
iword = (instr[0] << 8) + instr[1]; |
| 704 |
else |
| 705 |
iword = (instr[1] << 8) + instr[0]; |
| 706 |
|
| 707 |
debug(": %04x %s\t", iword, cpu->delay_slot? "(d)" : ""); |
| 708 |
hi4 = iword >> 12; lo4 = iword & 15; lo8 = iword & 255; |
| 709 |
r8 = (iword >> 8) & 15; r4 = (iword >> 4) & 15; |
| 710 |
|
| 711 |
/* |
| 712 |
* Decode the instruction: |
| 713 |
*/ |
| 714 |
|
| 715 |
switch (hi4) { |
| 716 |
case 0x0: |
| 717 |
if (lo8 == 0x02) |
| 718 |
debug("stc\tsr,r%i\n", r8); |
| 719 |
else if (lo8 == 0x03) |
| 720 |
debug("bsrf\tr%i\n", r8); |
| 721 |
else if (lo4 >= 4 && lo4 <= 6) { |
| 722 |
if (lo4 == 0x4) |
| 723 |
debug("mov.b\tr%i,@(r0,r%i)", r4, r8); |
| 724 |
else if (lo4 == 0x5) |
| 725 |
debug("mov.w\tr%i,@(r0,r%i)", r4, r8); |
| 726 |
else if (lo4 == 0x6) |
| 727 |
debug("mov.l\tr%i,@(r0,r%i)", r4, r8); |
| 728 |
if (running) { |
| 729 |
debug("\t; r0+r%i = 0x%08"PRIx32, r8, |
| 730 |
cpu->cd.sh.r[0] + cpu->cd.sh.r[r8]); |
| 731 |
} |
| 732 |
debug("\n"); |
| 733 |
} else if (lo4 == 0x7) |
| 734 |
debug("mul.l\tr%i,r%i\n", r4, r8); |
| 735 |
else if (iword == 0x0008) |
| 736 |
debug("clrt\n"); |
| 737 |
else if (iword == 0x0009) |
| 738 |
debug("nop\n"); |
| 739 |
else if (lo8 == 0x0a) |
| 740 |
debug("sts\tmach,r%i\n", r8); |
| 741 |
else if (iword == 0x000b) |
| 742 |
debug("rts\n"); |
| 743 |
else if (lo4 >= 0xc && lo4 <= 0xe) { |
| 744 |
if (lo4 == 0xc) |
| 745 |
debug("mov.b\t@(r0,r%i),r%i", r4, r8); |
| 746 |
else if (lo4 == 0xd) |
| 747 |
debug("mov.w\t@(r0,r%i),r%i", r4, r8); |
| 748 |
else if (lo4 == 0xe) |
| 749 |
debug("mov.l\t@(r0,r%i),r%i", r4, r8); |
| 750 |
if (running) { |
| 751 |
debug("\t; r0+r%i = 0x%08"PRIx32, r4, |
| 752 |
cpu->cd.sh.r[0] + cpu->cd.sh.r[r4]); |
| 753 |
} |
| 754 |
debug("\n"); |
| 755 |
} else if (lo8 == 0x12) |
| 756 |
debug("stc\tgbr,r%i\n", r8); |
| 757 |
else if (iword == 0x0018) |
| 758 |
debug("sett\n"); |
| 759 |
else if (iword == 0x0019) |
| 760 |
debug("div0u\n"); |
| 761 |
else if (lo8 == 0x1a) |
| 762 |
debug("sts\tmacl,r%i\n", r8); |
| 763 |
else if (iword == 0x001b) |
| 764 |
debug("sleep\n"); |
| 765 |
else if (lo8 == 0x22) |
| 766 |
debug("stc\tvbr,r%i\n", r8); |
| 767 |
else if (lo8 == 0x23) |
| 768 |
debug("braf\tr%i\n", r8); |
| 769 |
else if (iword == 0x0028) |
| 770 |
debug("clrmac\n"); |
| 771 |
else if (lo8 == 0x29) |
| 772 |
debug("movt\tr%i\n", r8); |
| 773 |
else if (lo8 == 0x2a) |
| 774 |
debug("sts\tpr,r%i\n", r8); |
| 775 |
else if (iword == 0x002b) |
| 776 |
debug("rte\n"); |
| 777 |
else if (lo8 == 0x32) |
| 778 |
debug("stc\tssr,r%i\n", r8); |
| 779 |
else if (iword == 0x0038) |
| 780 |
debug("ldtlb\n"); |
| 781 |
else if (iword == 0x003b) |
| 782 |
debug("brk\n"); |
| 783 |
else if (lo8 == 0x42) |
| 784 |
debug("stc\tspc,r%i\n", r8); |
| 785 |
else if (iword == 0x0048) |
| 786 |
debug("clrs\n"); |
| 787 |
else if (iword == 0x0058) |
| 788 |
debug("sets\n"); |
| 789 |
else if (lo8 == 0x5a) |
| 790 |
debug("sts\tfpul,r%i\n", r8); |
| 791 |
else if (lo8 == 0x6a) |
| 792 |
debug("sts\tfpscr,r%i\n", r8); |
| 793 |
else if ((lo8 & 0x8f) == 0x82) |
| 794 |
debug("stc\tr%i_bank,r%i\n", (lo8 >> 4) & 7, r8); |
| 795 |
else if (lo8 == 0x83) |
| 796 |
debug("pref\t@r%i\n", r8); |
| 797 |
else if (lo8 == 0x93) |
| 798 |
debug("ocbi\t@r%i\n", r8); |
| 799 |
else if (lo8 == 0xa3) |
| 800 |
debug("ocbp\t@r%i\n", r8); |
| 801 |
else if (lo8 == 0xb3) |
| 802 |
debug("ocbwb\t@r%i\n", r8); |
| 803 |
else if (lo8 == 0xc3) |
| 804 |
debug("movca.l\tr0,@r%i\n", r8); |
| 805 |
else if (lo8 == 0xfa) |
| 806 |
debug("stc\tdbr,r%i\n", r8); |
| 807 |
else if (iword == SH_INVALID_INSTR) |
| 808 |
debug("gxemul_dreamcast_prom_emul\n"); |
| 809 |
else |
| 810 |
debug("UNIMPLEMENTED hi4=0x%x, lo8=0x%02x\n", hi4, lo8); |
| 811 |
break; |
| 812 |
case 0x1: |
| 813 |
debug("mov.l\tr%i,@(%i,r%i)", r4, lo4 * 4, r8); |
| 814 |
if (running) { |
| 815 |
debug("\t; r%i+%i = 0x%08"PRIx32, r8, lo4 * 4, |
| 816 |
cpu->cd.sh.r[r8] + lo4 * 4); |
| 817 |
} |
| 818 |
debug("\n"); |
| 819 |
break; |
| 820 |
case 0x2: |
| 821 |
if (lo4 == 0x0) |
| 822 |
debug("mov.b\tr%i,@r%i\n", r4, r8); |
| 823 |
else if (lo4 == 0x1) |
| 824 |
debug("mov.w\tr%i,@r%i\n", r4, r8); |
| 825 |
else if (lo4 == 0x2) |
| 826 |
debug("mov.l\tr%i,@r%i\n", r4, r8); |
| 827 |
else if (lo4 == 0x4) |
| 828 |
debug("mov.b\tr%i,@-r%i\n", r4, r8); |
| 829 |
else if (lo4 == 0x5) |
| 830 |
debug("mov.w\tr%i,@-r%i\n", r4, r8); |
| 831 |
else if (lo4 == 0x6) |
| 832 |
debug("mov.l\tr%i,@-r%i\n", r4, r8); |
| 833 |
else if (lo4 == 0x7) |
| 834 |
debug("div0s\tr%i,r%i\n", r4, r8); |
| 835 |
else if (lo4 == 0x8) |
| 836 |
debug("tst\tr%i,r%i\n", r4, r8); |
| 837 |
else if (lo4 == 0x9) |
| 838 |
debug("and\tr%i,r%i\n", r4, r8); |
| 839 |
else if (lo4 == 0xa) |
| 840 |
debug("xor\tr%i,r%i\n", r4, r8); |
| 841 |
else if (lo4 == 0xb) |
| 842 |
debug("or\tr%i,r%i\n", r4, r8); |
| 843 |
else if (lo4 == 0xc) |
| 844 |
debug("cmp/str\tr%i,r%i\n", r4, r8); |
| 845 |
else if (lo4 == 0xd) |
| 846 |
debug("xtrct\tr%i,r%i\n", r4, r8); |
| 847 |
else if (lo4 == 0xe) |
| 848 |
debug("mulu.w\tr%i,r%i\n", r4, r8); |
| 849 |
else if (lo4 == 0xf) |
| 850 |
debug("muls.w\tr%i,r%i\n", r4, r8); |
| 851 |
else |
| 852 |
debug("UNIMPLEMENTED hi4=0x%x, lo8=0x%02x\n", hi4, lo8); |
| 853 |
break; |
| 854 |
case 0x3: |
| 855 |
if (lo4 == 0x0) |
| 856 |
debug("cmp/eq\tr%i,r%i\n", r4, r8); |
| 857 |
else if (lo4 == 0x2) |
| 858 |
debug("cmp/hs\tr%i,r%i\n", r4, r8); |
| 859 |
else if (lo4 == 0x3) |
| 860 |
debug("cmp/ge\tr%i,r%i\n", r4, r8); |
| 861 |
else if (lo4 == 0x4) |
| 862 |
debug("div1\tr%i,r%i\n", r4, r8); |
| 863 |
else if (lo4 == 0x5) |
| 864 |
debug("dmulu.l\tr%i,r%i\n", r4, r8); |
| 865 |
else if (lo4 == 0x6) |
| 866 |
debug("cmp/hi\tr%i,r%i\n", r4, r8); |
| 867 |
else if (lo4 == 0x7) |
| 868 |
debug("cmp/gt\tr%i,r%i\n", r4, r8); |
| 869 |
else if (lo4 == 0x8) |
| 870 |
debug("sub\tr%i,r%i\n", r4, r8); |
| 871 |
else if (lo4 == 0xa) |
| 872 |
debug("subc\tr%i,r%i\n", r4, r8); |
| 873 |
else if (lo4 == 0xb) |
| 874 |
debug("subv\tr%i,r%i\n", r4, r8); |
| 875 |
else if (lo4 == 0xc) |
| 876 |
debug("add\tr%i,r%i\n", r4, r8); |
| 877 |
else if (lo4 == 0xd) |
| 878 |
debug("dmuls.l\tr%i,r%i\n", r4, r8); |
| 879 |
else if (lo4 == 0xe) |
| 880 |
debug("addc\tr%i,r%i\n", r4, r8); |
| 881 |
else if (lo4 == 0xf) |
| 882 |
debug("addv\tr%i,r%i\n", r4, r8); |
| 883 |
else |
| 884 |
debug("UNIMPLEMENTED hi4=0x%x, lo8=0x%02x\n", hi4, lo8); |
| 885 |
break; |
| 886 |
case 0x4: |
| 887 |
if (lo8 == 0x00) |
| 888 |
debug("shll\tr%i\n", r8); |
| 889 |
else if (lo8 == 0x01) |
| 890 |
debug("shlr\tr%i\n", r8); |
| 891 |
else if (lo8 == 0x02) |
| 892 |
debug("sts.l\tmach,@-r%i\n", r8); |
| 893 |
else if (lo8 == 0x03) |
| 894 |
debug("stc.l\tsr,@-r%i\n", r8); |
| 895 |
else if (lo8 == 0x04) |
| 896 |
debug("rotl\tr%i\n", r8); |
| 897 |
else if (lo8 == 0x05) |
| 898 |
debug("rotr\tr%i\n", r8); |
| 899 |
else if (lo8 == 0x06) |
| 900 |
debug("lds.l\t@r%i+,mach\n", r8); |
| 901 |
else if (lo8 == 0x07) |
| 902 |
debug("ldc.l\t@r%i+,sr\n", r8); |
| 903 |
else if (lo8 == 0x08) |
| 904 |
debug("shll2\tr%i\n", r8); |
| 905 |
else if (lo8 == 0x09) |
| 906 |
debug("shlr2\tr%i\n", r8); |
| 907 |
else if (lo8 == 0x0a) |
| 908 |
debug("lds\tr%i,mach\n", r8); |
| 909 |
else if (lo8 == 0x0b) |
| 910 |
debug("jsr\t@r%i\n", r8); |
| 911 |
else if (lo4 == 0xc) |
| 912 |
debug("shad\tr%i,r%i\n", r4, r8); |
| 913 |
else if (lo4 == 0xd) |
| 914 |
debug("shld\tr%i,r%i\n", r4, r8); |
| 915 |
else if (lo8 == 0x0e) |
| 916 |
debug("ldc\tr%i,sr\n", r8); |
| 917 |
else if (lo8 == 0x10) |
| 918 |
debug("dt\tr%i\n", r8); |
| 919 |
else if (lo8 == 0x11) |
| 920 |
debug("cmp/pz\tr%i\n", r8); |
| 921 |
else if (lo8 == 0x12) |
| 922 |
debug("sts.l\tmacl,@-r%i\n", r8); |
| 923 |
else if (lo8 == 0x13) |
| 924 |
debug("stc.l\tgbr,@-r%i\n", r8); |
| 925 |
else if (lo8 == 0x15) |
| 926 |
debug("cmp/pl\tr%i\n", r8); |
| 927 |
else if (lo8 == 0x16) |
| 928 |
debug("lds.l\t@r%i+,macl\n", r8); |
| 929 |
else if (lo8 == 0x17) |
| 930 |
debug("ldc.l\t@r%i+,gbr\n", r8); |
| 931 |
else if (lo8 == 0x18) |
| 932 |
debug("shll8\tr%i\n", r8); |
| 933 |
else if (lo8 == 0x19) |
| 934 |
debug("shlr8\tr%i\n", r8); |
| 935 |
else if (lo8 == 0x1a) |
| 936 |
debug("lds\tr%i,macl\n", r8); |
| 937 |
else if (lo8 == 0x1b) |
| 938 |
debug("tas.b\t@r%i\n", r8); |
| 939 |
else if (lo8 == 0x1e) |
| 940 |
debug("ldc\tr%i,gbr\n", r8); |
| 941 |
else if (lo8 == 0x20) |
| 942 |
debug("shal\tr%i\n", r8); |
| 943 |
else if (lo8 == 0x21) |
| 944 |
debug("shar\tr%i\n", r8); |
| 945 |
else if (lo8 == 0x22) |
| 946 |
debug("sts.l\tpr,@-r%i\n", r8); |
| 947 |
else if (lo8 == 0x23) |
| 948 |
debug("stc.l\tvbr,@-r%i\n", r8); |
| 949 |
else if (lo8 == 0x24) |
| 950 |
debug("rotcl\tr%i\n", r8); |
| 951 |
else if (lo8 == 0x25) |
| 952 |
debug("rotcr\tr%i\n", r8); |
| 953 |
else if (lo8 == 0x26) |
| 954 |
debug("lds.l\t@r%i+,pr\n", r8); |
| 955 |
else if (lo8 == 0x27) |
| 956 |
debug("ldc.l\t@r%i+,vbr\n", r8); |
| 957 |
else if (lo8 == 0x28) |
| 958 |
debug("shll16\tr%i\n", r8); |
| 959 |
else if (lo8 == 0x29) |
| 960 |
debug("shlr16\tr%i\n", r8); |
| 961 |
else if (lo8 == 0x2a) |
| 962 |
debug("lds\tr%i,pr\n", r8); |
| 963 |
else if (lo8 == 0x2b) |
| 964 |
debug("jmp\t@r%i\n", r8); |
| 965 |
else if (lo8 == 0x2e) |
| 966 |
debug("ldc\tr%i,vbr\n", r8); |
| 967 |
else if (lo8 == 0x33) |
| 968 |
debug("stc.l\tssr,@-r%i\n", r8); |
| 969 |
else if (lo8 == 0x37) |
| 970 |
debug("ldc.l\t@r%i+,ssr\n", r8); |
| 971 |
else if (lo8 == 0x3e) |
| 972 |
debug("ldc\tr%i,ssr\n", r8); |
| 973 |
else if (lo8 == 0x43) |
| 974 |
debug("stc.l\tspc,@-r%i\n", r8); |
| 975 |
else if (lo8 == 0x47) |
| 976 |
debug("ldc.l\t@r%i+,spc\n", r8); |
| 977 |
else if (lo8 == 0x4e) |
| 978 |
debug("ldc\tr%i,spc\n", r8); |
| 979 |
else if (lo8 == 0x52) |
| 980 |
debug("sts.l\tfpul,@-r%i\n", r8); |
| 981 |
else if (lo8 == 0x56) |
| 982 |
debug("lds.l\t@r%i+,fpul\n", r8); |
| 983 |
else if (lo8 == 0x5a) |
| 984 |
debug("lds\tr%i,fpul\n", r8); |
| 985 |
else if (lo8 == 0x62) |
| 986 |
debug("sts.l\tfpscr,@-r%i\n", r8); |
| 987 |
else if (lo8 == 0x66) |
| 988 |
debug("lds.l\t@r%i+,fpscr\n", r8); |
| 989 |
else if (lo8 == 0x6a) |
| 990 |
debug("lds\tr%i,fpscr\n", r8); |
| 991 |
else if ((lo8 & 0x8f) == 0x83) |
| 992 |
debug("stc.l\tr%i_bank,@-r%i\n", (lo8 >> 4) & 7, r8); |
| 993 |
else if ((lo8 & 0x8f) == 0x87) |
| 994 |
debug("ldc.l\t@r%i,r%i_bank\n", r8, (lo8 >> 4) & 7, r8); |
| 995 |
else if ((lo8 & 0x8f) == 0x8e) |
| 996 |
debug("ldc\tr%i,r%i_bank\n", r8, (lo8 >> 4) & 7); |
| 997 |
else if (lo8 == 0xfa) |
| 998 |
debug("ldc\tr%i,dbr\n", r8); |
| 999 |
else |
| 1000 |
debug("UNIMPLEMENTED hi4=0x%x, lo8=0x%02x\n", hi4, lo8); |
| 1001 |
break; |
| 1002 |
case 0x5: |
| 1003 |
debug("mov.l\t@(%i,r%i),r%i", lo4 * 4, r4, r8); |
| 1004 |
if (running) { |
| 1005 |
debug("\t; r%i+%i = 0x%08"PRIx32, r4, lo4 * 4, |
| 1006 |
cpu->cd.sh.r[r4] + lo4 * 4); |
| 1007 |
} |
| 1008 |
debug("\n"); |
| 1009 |
break; |
| 1010 |
case 0x6: |
| 1011 |
if (lo4 == 0x0) |
| 1012 |
debug("mov.b\t@r%i,r%i\n", r4, r8); |
| 1013 |
else if (lo4 == 0x1) |
| 1014 |
debug("mov.w\t@r%i,r%i\n", r4, r8); |
| 1015 |
else if (lo4 == 0x2) |
| 1016 |
debug("mov.l\t@r%i,r%i\n", r4, r8); |
| 1017 |
else if (lo4 == 0x3) |
| 1018 |
debug("mov\tr%i,r%i\n", r4, r8); |
| 1019 |
else if (lo4 == 0x4) |
| 1020 |
debug("mov.b\t@r%i+,r%i\n", r4, r8); |
| 1021 |
else if (lo4 == 0x5) |
| 1022 |
debug("mov.w\t@r%i+,r%i\n", r4, r8); |
| 1023 |
else if (lo4 == 0x6) |
| 1024 |
debug("mov.l\t@r%i+,r%i\n", r4, r8); |
| 1025 |
else if (lo4 == 0x7) |
| 1026 |
debug("not\tr%i,r%i\n", r4, r8); |
| 1027 |
else if (lo4 == 0x8) |
| 1028 |
debug("swap.b\tr%i,r%i\n", r4, r8); |
| 1029 |
else if (lo4 == 0x9) |
| 1030 |
debug("swap.w\tr%i,r%i\n", r4, r8); |
| 1031 |
else if (lo4 == 0xa) |
| 1032 |
debug("negc\tr%i,r%i\n", r4, r8); |
| 1033 |
else if (lo4 == 0xb) |
| 1034 |
debug("neg\tr%i,r%i\n", r4, r8); |
| 1035 |
else if (lo4 == 0xc) |
| 1036 |
debug("extu.b\tr%i,r%i\n", r4, r8); |
| 1037 |
else if (lo4 == 0xd) |
| 1038 |
debug("extu.w\tr%i,r%i\n", r4, r8); |
| 1039 |
else if (lo4 == 0xe) |
| 1040 |
debug("exts.b\tr%i,r%i\n", r4, r8); |
| 1041 |
else if (lo4 == 0xf) |
| 1042 |
debug("exts.w\tr%i,r%i\n", r4, r8); |
| 1043 |
else |
| 1044 |
debug("UNIMPLEMENTED hi4=0x%x, lo8=0x%02x\n", hi4, lo8); |
| 1045 |
break; |
| 1046 |
case 0x7: |
| 1047 |
debug("add\t#%i,r%i\n", (int8_t)lo8, r8); |
| 1048 |
break; |
| 1049 |
case 0x8: |
| 1050 |
if (r8 == 0 || r8 == 4) { |
| 1051 |
if (r8 == 0x0) |
| 1052 |
debug("mov.b\tr0,@(%i,r%i)", lo4, r4); |
| 1053 |
else if (r8 == 0x4) |
| 1054 |
debug("mov.b\t@(%i,r%i),r0", lo4, r4); |
| 1055 |
if (running) { |
| 1056 |
debug("\t; r%i+%i = 0x%08"PRIx32, r4, lo4, |
| 1057 |
cpu->cd.sh.r[r4] + lo4); |
| 1058 |
} |
| 1059 |
debug("\n"); |
| 1060 |
} else if (r8 == 1 || r8 == 5) { |
| 1061 |
if (r8 == 0x1) |
| 1062 |
debug("mov.w\tr0,@(%i,r%i)", lo4 * 2, r4); |
| 1063 |
else if (r8 == 0x5) |
| 1064 |
debug("mov.w\t@(%i,r%i),r0", lo4 * 2, r4); |
| 1065 |
if (running) { |
| 1066 |
debug("\t; r%i+%i = 0x%08"PRIx32, r4, lo4 * 2, |
| 1067 |
cpu->cd.sh.r[r4] + lo4 * 2); |
| 1068 |
} |
| 1069 |
debug("\n"); |
| 1070 |
} else if (r8 == 0x8) { |
| 1071 |
debug("cmp/eq\t#%i,r0\n", (int8_t)lo8); |
| 1072 |
} else if (r8 == 0x9 || r8 == 0xb || r8 == 0xd || r8 == 0xf) { |
| 1073 |
addr = (int8_t)lo8; |
| 1074 |
addr = dumpaddr + 4 + (addr << 1); |
| 1075 |
debug("b%s%s\t0x%x\n", |
| 1076 |
(r8 == 0x9 || r8 == 0xd)? "t" : "f", |
| 1077 |
(r8 == 0x9 || r8 == 0xb)? "" : "/s", (int)addr); |
| 1078 |
} else |
| 1079 |
debug("UNIMPLEMENTED hi4=0x%x,0x%x\n", hi4, r8); |
| 1080 |
break; |
| 1081 |
case 0x9: |
| 1082 |
case 0xd: |
| 1083 |
addr = lo8 * (hi4==9? 2 : 4); |
| 1084 |
addr += (dumpaddr & ~(hi4==9? 1 : 3)) + 4; |
| 1085 |
debug("mov.%s\t0x%x,r%i\n", hi4==9? "w":"l", (int)addr, r8); |
| 1086 |
break; |
| 1087 |
case 0xa: |
| 1088 |
case 0xb: |
| 1089 |
addr = (int32_t)(int16_t)((iword & 0xfff) << 4); |
| 1090 |
addr = ((int32_t)addr >> 3); |
| 1091 |
addr += dumpaddr + 4; |
| 1092 |
debug("%s\t0x%x\n", hi4==0xa? "bra":"bsr", (int)addr); |
| 1093 |
break; |
| 1094 |
case 0xc: |
| 1095 |
if (r8 == 0x0) |
| 1096 |
debug("mov.b\tr0,@(%i,gbr)\n", lo8); |
| 1097 |
else if (r8 == 0x1) |
| 1098 |
debug("mov.w\tr0,@(%i,gbr)\n", lo8 * 2); |
| 1099 |
else if (r8 == 0x2) |
| 1100 |
debug("mov.l\tr0,@(%i,gbr)\n", lo8 * 4); |
| 1101 |
else if (r8 == 0x3) |
| 1102 |
debug("trapa\t#%i\n", (uint8_t)lo8); |
| 1103 |
else if (r8 == 0x4) |
| 1104 |
debug("mov.b\t(%i,gbr),r0\n", lo8); |
| 1105 |
else if (r8 == 0x5) |
| 1106 |
debug("mov.w\t(%i,gbr),r0\n", lo8 * 2); |
| 1107 |
else if (r8 == 0x6) |
| 1108 |
debug("mov.l\t(%i,gbr),r0\n", lo8 * 4); |
| 1109 |
else if (r8 == 0x7) { |
| 1110 |
addr = lo8 * 4 + (dumpaddr & ~3) + 4; |
| 1111 |
debug("mova\t0x%x,r0\n", (int)addr); |
| 1112 |
} else if (r8 == 0x8) |
| 1113 |
debug("tst\t#%i,r0\n", (uint8_t)lo8); |
| 1114 |
else if (r8 == 0x9) |
| 1115 |
debug("and\t#%i,r0\n", (uint8_t)lo8); |
| 1116 |
else if (r8 == 0xa) |
| 1117 |
debug("xor\t#%i,r0\n", (uint8_t)lo8); |
| 1118 |
else if (r8 == 0xb) |
| 1119 |
debug("or\t#%i,r0\n", (uint8_t)lo8); |
| 1120 |
else if (r8 == 0xc) |
| 1121 |
debug("tst.b\t#%i,@(r0,gbr)\n", (uint8_t)lo8); |
| 1122 |
else if (r8 == 0xd) |
| 1123 |
debug("and.b\t#%i,@(r0,gbr)\n", (uint8_t)lo8); |
| 1124 |
else if (r8 == 0xe) |
| 1125 |
debug("xor.b\t#%i,@(r0,gbr)\n", (uint8_t)lo8); |
| 1126 |
else if (r8 == 0xf) |
| 1127 |
debug("or.b\t#%i,@(r0,gbr)\n", (uint8_t)lo8); |
| 1128 |
else |
| 1129 |
debug("UNIMPLEMENTED hi4=0x%x,0x%x\n", hi4, r8); |
| 1130 |
break; |
| 1131 |
case 0xe: |
| 1132 |
debug("mov\t#%i,r%i\n", (int8_t)lo8, r8); |
| 1133 |
break; |
| 1134 |
case 0xf: |
| 1135 |
if (lo4 == 0x0) |
| 1136 |
debug("fadd\t%sr%i,%sr%i\n", |
| 1137 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r4, |
| 1138 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1139 |
else if (lo4 == 0x1) |
| 1140 |
debug("fsub\t%sr%i,%sr%i\n", |
| 1141 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r4, |
| 1142 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1143 |
else if (lo4 == 0x2) |
| 1144 |
debug("fmul\t%sr%i,%sr%i\n", |
| 1145 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r4, |
| 1146 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1147 |
else if (lo4 == 0x3) |
| 1148 |
debug("fdiv\t%sr%i,%sr%i\n", |
| 1149 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r4, |
| 1150 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1151 |
else if (lo4 == 0x4) |
| 1152 |
debug("fcmp/eq\t%sr%i,%sr%i\n", |
| 1153 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r4, |
| 1154 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1155 |
else if (lo4 == 0x5) |
| 1156 |
debug("fcmp/gt\t%sr%i,%sr%i\n", |
| 1157 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r4, |
| 1158 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1159 |
else if (lo4 == 0x6) { |
| 1160 |
char *n = "fr"; |
| 1161 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
| 1162 |
n = (r8 & 1)? "xd" : "dr"; |
| 1163 |
r8 &= ~1; |
| 1164 |
} |
| 1165 |
debug("fmov\t@(r0,r%i),%s%i\n", r4, n, r8); |
| 1166 |
} else if (lo4 == 0x7) { |
| 1167 |
char *n = "fr"; |
| 1168 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
| 1169 |
n = (r4 & 1)? "xd" : "dr"; |
| 1170 |
r4 &= ~1; |
| 1171 |
} |
| 1172 |
debug("fmov\t%s%i,@(r0,r%i)\n", n, r4, r8); |
| 1173 |
} else if (lo4 == 0x8) { |
| 1174 |
char *n = "fr"; |
| 1175 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
| 1176 |
n = (r8 & 1)? "xd" : "dr"; |
| 1177 |
r8 &= ~1; |
| 1178 |
} |
| 1179 |
debug("fmov\t@r%i,%s%i\n", r4, n, r8); |
| 1180 |
} else if (lo4 == 0x9) { |
| 1181 |
char *n = "fr"; |
| 1182 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
| 1183 |
n = (r8 & 1)? "xd" : "dr"; |
| 1184 |
r8 &= ~1; |
| 1185 |
} |
| 1186 |
debug("fmov\t@r%i+,%s%i\n", r4, n, r8); |
| 1187 |
} else if (lo4 == 0xa) { |
| 1188 |
char *n = "fr"; |
| 1189 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
| 1190 |
n = (r4 & 1)? "xd" : "dr"; |
| 1191 |
r4 &= ~1; |
| 1192 |
} |
| 1193 |
debug("fmov\t%s%i,@r%i\n", n, r4, r8); |
| 1194 |
} else if (lo4 == 0xb) { |
| 1195 |
char *n = "fr"; |
| 1196 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
| 1197 |
n = (r4 & 1)? "xd" : "dr"; |
| 1198 |
r4 &= ~1; |
| 1199 |
} |
| 1200 |
debug("fmov\t%s%i,@-r%i\n", n, r4, r8); |
| 1201 |
} else if (lo4 == 0xc) { |
| 1202 |
char *n1 = "fr", *n2 = "fr"; |
| 1203 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
| 1204 |
n1 = (r4 & 1)? "xd" : "dr"; |
| 1205 |
n2 = (r8 & 1)? "xd" : "dr"; |
| 1206 |
r4 &= ~1; r8 &= ~1; |
| 1207 |
} |
| 1208 |
debug("fmov\t%s%i,%s%i\n", n1, r4, n2, r8); |
| 1209 |
} else if (lo8 == 0x0d) |
| 1210 |
debug("fsts\tfpul,fr%i\n", r8); |
| 1211 |
else if (lo8 == 0x1d) |
| 1212 |
debug("flds\tfr%i,fpul\n", r8); |
| 1213 |
else if (lo8 == 0x2d) |
| 1214 |
debug("float\tfpul,%sr%i\n", |
| 1215 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1216 |
else if (lo8 == 0x3d) |
| 1217 |
debug("ftrc\t%sr%i,fpul\n", |
| 1218 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1219 |
else if (lo8 == 0x4d) |
| 1220 |
debug("fneg\t%sr%i\n", |
| 1221 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1222 |
else if (lo8 == 0x5d) |
| 1223 |
debug("fabs\t%sr%i\n", |
| 1224 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1225 |
else if (lo8 == 0x6d) |
| 1226 |
debug("fsqrt\t%sr%i\n", |
| 1227 |
cpu->cd.sh.fpscr & SH_FPSCR_PR? "d" : "f", r8); |
| 1228 |
else if (lo8 == 0x8d) |
| 1229 |
debug("fldi0\tfr%i\n", r8); |
| 1230 |
else if (lo8 == 0x9d) |
| 1231 |
debug("fldi1\tfr%i\n", r8); |
| 1232 |
else if ((iword & 0x01ff) == 0x00fd) |
| 1233 |
debug("fsca\tfpul,dr%i\n", r8); |
| 1234 |
else if (iword == 0xf3fd) |
| 1235 |
debug("fschg\n"); |
| 1236 |
else if (iword == 0xfbfd) |
| 1237 |
debug("frchg\n"); |
| 1238 |
else if ((iword & 0xf3ff) == 0xf1fd) |
| 1239 |
debug("ftrv\txmtrx,fv%i\n", r8 & 0xc); |
| 1240 |
else if (lo4 == 0xe) |
| 1241 |
debug("fmac\tfr0,fr%i,fr%i\n", r4, r8); |
| 1242 |
else |
| 1243 |
debug("UNIMPLEMENTED hi4=0x%x,0x%x\n", hi4, lo8); |
| 1244 |
break; |
| 1245 |
default:debug("UNIMPLEMENTED hi4=0x%x\n", hi4); |
| 1246 |
} |
| 1247 |
|
| 1248 |
return sizeof(iword); |
| 1249 |
} |
| 1250 |
|
| 1251 |
|
| 1252 |
/* |
| 1253 |
* sh_cpu_disassemble_instr(): |
| 1254 |
* |
| 1255 |
* Convert an instruction word into human readable format, for instruction |
| 1256 |
* tracing. |
| 1257 |
* |
| 1258 |
* If running is 1, cpu->pc should be the address of the instruction. |
| 1259 |
* |
| 1260 |
* If running is 0, things that depend on the runtime environment (eg. |
| 1261 |
* register contents) will not be shown, and addr will be used instead of |
| 1262 |
* cpu->pc for relative addresses. |
| 1263 |
*/ |
| 1264 |
int sh_cpu_disassemble_instr(struct cpu *cpu, unsigned char *instr, |
| 1265 |
int running, uint64_t dumpaddr) |
| 1266 |
{ |
| 1267 |
uint64_t offset; |
| 1268 |
uint32_t iword; |
| 1269 |
char *symbol; |
| 1270 |
|
| 1271 |
if (running) |
| 1272 |
dumpaddr = cpu->pc; |
| 1273 |
|
| 1274 |
symbol = get_symbol_name(&cpu->machine->symbol_context, |
| 1275 |
dumpaddr, &offset); |
| 1276 |
if (symbol != NULL && offset==0) |
| 1277 |
debug("<%s>\n", symbol); |
| 1278 |
|
| 1279 |
if (cpu->machine->ncpus > 1 && running) |
| 1280 |
debug("cpu%i: ", cpu->cpu_id); |
| 1281 |
|
| 1282 |
if (cpu->cd.sh.cpu_type.bits == 32) |
| 1283 |
debug("%08x", (int)dumpaddr); |
| 1284 |
else |
| 1285 |
debug("%016llx", (long long)dumpaddr); |
| 1286 |
|
| 1287 |
if (cpu->cd.sh.compact) |
| 1288 |
return sh_cpu_disassemble_instr_compact(cpu, instr, |
| 1289 |
running, dumpaddr); |
| 1290 |
|
| 1291 |
if (cpu->byte_order == EMUL_BIG_ENDIAN) |
| 1292 |
iword = (instr[0] << 24) + (instr[1] << 16) + (instr[2] << 8) |
| 1293 |
+ instr[3]; |
| 1294 |
else |
| 1295 |
iword = (instr[3] << 24) + (instr[2] << 16) + (instr[1] << 8) |
| 1296 |
+ instr[0]; |
| 1297 |
|
| 1298 |
debug(": %08x\t", iword); |
| 1299 |
|
| 1300 |
/* |
| 1301 |
* Decode the instruction: |
| 1302 |
*/ |
| 1303 |
|
| 1304 |
debug("TODO\n"); |
| 1305 |
|
| 1306 |
return sizeof(iword); |
| 1307 |
} |
| 1308 |
|
| 1309 |
|
| 1310 |
#include "tmp_sh_tail.c" |
| 1311 |
|
Parent Directory
| 
Revision Log