Revision e1833e1f
| b/darwin-user/main.c | ||
|---|---|---|
| 139 | 139 |
cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value); |
| 140 | 140 |
} |
| 141 | 141 |
|
| 142 |
uint32_t cpu_ppc_load_decr (CPUState *env) |
|
| 143 |
{
|
|
| 144 |
/* TO FIX */ |
|
| 145 |
return -1; |
|
| 146 |
} |
|
| 147 |
|
|
| 148 |
void cpu_ppc_store_decr (CPUState *env, uint32_t value) |
|
| 149 |
{
|
|
| 150 |
/* TO FIX */ |
|
| 151 |
} |
|
| 152 |
|
|
| 153 | 142 |
void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value) |
| 154 | 143 |
{
|
| 155 | 144 |
cpu_ppc_store_tbu( env, value ); |
| ... | ... | |
| 165 | 154 |
return cpu_ppc_load_tbl(env) & 0x3FFFFF80; |
| 166 | 155 |
} |
| 167 | 156 |
|
| 157 |
/* XXX: to be fixed */ |
|
| 158 |
int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp) |
|
| 159 |
{
|
|
| 160 |
return -1; |
|
| 161 |
} |
|
| 162 |
|
|
| 163 |
int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val) |
|
| 164 |
{
|
|
| 165 |
return -1; |
|
| 166 |
} |
|
| 167 |
|
|
| 168 |
#define EXCP_DUMP(env, fmt, args...) \ |
|
| 169 |
do { \
|
|
| 170 |
fprintf(stderr, fmt , ##args); \ |
|
| 171 |
cpu_dump_state(env, stderr, fprintf, 0); \ |
|
| 172 |
if (loglevel != 0) { \
|
|
| 173 |
fprintf(logfile, fmt , ##args); \ |
|
| 174 |
cpu_dump_state(env, logfile, fprintf, 0); \ |
|
| 175 |
} \ |
|
| 176 |
} while (0) |
|
| 177 |
|
|
| 168 | 178 |
void cpu_loop(CPUPPCState *env) |
| 169 | 179 |
{
|
| 170 | 180 |
int trapnr; |
| ... | ... | |
| 173 | 183 |
|
| 174 | 184 |
for(;;) {
|
| 175 | 185 |
trapnr = cpu_ppc_exec(env); |
| 176 |
if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH && |
|
| 177 |
trapnr != EXCP_TRACE) {
|
|
| 178 |
if (loglevel > 0) {
|
|
| 179 |
cpu_dump_state(env, logfile, fprintf, 0); |
|
| 180 |
} |
|
| 181 |
} |
|
| 182 | 186 |
switch(trapnr) {
|
| 183 |
case EXCP_NONE: |
|
| 187 |
case POWERPC_EXCP_NONE: |
|
| 188 |
/* Just go on */ |
|
| 184 | 189 |
break; |
| 185 |
case EXCP_SYSCALL_USER: |
|
| 186 |
/* system call */ |
|
| 187 |
if(((int)env->gpr[0]) <= SYS_MAXSYSCALL && ((int)env->gpr[0])>0) |
|
| 188 |
ret = do_unix_syscall(env, env->gpr[0]/*, env->gpr[3], env->gpr[4], |
|
| 189 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 190 |
env->gpr[8], env->gpr[9], env->gpr[10]*/); |
|
| 191 |
else if(((int)env->gpr[0])<0) |
|
| 192 |
ret = do_mach_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
|
| 193 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 194 |
env->gpr[8], env->gpr[9], env->gpr[10]); |
|
| 195 |
else |
|
| 196 |
ret = do_thread_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
|
| 197 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 198 |
env->gpr[8], env->gpr[9], env->gpr[10]); |
|
| 199 |
|
|
| 200 |
/* Unix syscall error signaling */ |
|
| 201 |
if(((int)env->gpr[0]) <= SYS_MAXSYSCALL && ((int)env->gpr[0])>0) |
|
| 202 |
{
|
|
| 203 |
if( (int)ret < 0 ) |
|
| 204 |
env->nip += 0; |
|
| 205 |
else |
|
| 206 |
env->nip += 4; |
|
| 207 |
} |
|
| 208 |
|
|
| 209 |
/* Return value */ |
|
| 210 |
env->gpr[3] = ret; |
|
| 190 |
case POWERPC_EXCP_CRITICAL: /* Critical input */ |
|
| 191 |
cpu_abort(env, "Critical interrupt while in user mode. " |
|
| 192 |
"Aborting\n"); |
|
| 211 | 193 |
break; |
| 212 |
case EXCP_RESET: |
|
| 213 |
/* Should not happen ! */ |
|
| 214 |
fprintf(stderr, "RESET asked... Stop emulation\n"); |
|
| 215 |
if (loglevel) |
|
| 216 |
fprintf(logfile, "RESET asked... Stop emulation\n"); |
|
| 217 |
abort(); |
|
| 218 |
case EXCP_MACHINE_CHECK: |
|
| 219 |
fprintf(stderr, "Machine check exeption... Stop emulation\n"); |
|
| 220 |
if (loglevel) |
|
| 221 |
fprintf(logfile, "RESET asked... Stop emulation\n"); |
|
| 222 |
info.si_signo = SIGBUS; |
|
| 223 |
info.si_errno = 0; |
|
| 224 |
info.si_code = BUS_OBJERR; |
|
| 225 |
info.si_addr = (void*)(env->nip - 4); |
|
| 226 |
queue_signal(info.si_signo, &info); |
|
| 227 |
case EXCP_DSI: |
|
| 194 |
case POWERPC_EXCP_MCHECK: /* Machine check exception */ |
|
| 195 |
cpu_abort(env, "Machine check exception while in user mode. " |
|
| 196 |
"Aborting\n"); |
|
| 197 |
break; |
|
| 198 |
case POWERPC_EXCP_DSI: /* Data storage exception */ |
|
| 228 | 199 |
#ifndef DAR |
| 229 | 200 |
/* To deal with multiple qemu header version as host for the darwin-user code */ |
| 230 | 201 |
# define DAR SPR_DAR |
| 231 | 202 |
#endif |
| 232 |
fprintf(stderr, "Invalid data memory access: 0x%08x\n", env->spr[DAR]); |
|
| 233 |
if (loglevel) {
|
|
| 234 |
fprintf(logfile, "Invalid data memory access: 0x%08x\n", |
|
| 235 |
env->spr[DAR]); |
|
| 236 |
} |
|
| 203 |
EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n", |
|
| 204 |
env->spr[SPR_DAR]); |
|
| 237 | 205 |
/* Handle this via the gdb */ |
| 238 | 206 |
gdb_handlesig (env, SIGSEGV); |
| 239 | 207 |
|
| 240 | 208 |
info.si_addr = (void*)env->nip; |
| 241 | 209 |
queue_signal(info.si_signo, &info); |
| 242 | 210 |
break; |
| 243 |
case EXCP_ISI: |
|
| 244 |
fprintf(stderr, "Invalid instruction fetch\n"); |
|
| 245 |
if (loglevel) |
|
| 246 |
fprintf(logfile, "Invalid instruction fetch\n"); |
|
| 211 |
case POWERPC_EXCP_ISI: /* Instruction storage exception */ |
|
| 212 |
EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n", |
|
| 213 |
env->spr[SPR_DAR]); |
|
| 247 | 214 |
/* Handle this via the gdb */ |
| 248 | 215 |
gdb_handlesig (env, SIGSEGV); |
| 249 | 216 |
|
| 250 | 217 |
info.si_addr = (void*)(env->nip - 4); |
| 251 | 218 |
queue_signal(info.si_signo, &info); |
| 252 | 219 |
break; |
| 253 |
case EXCP_EXTERNAL: |
|
| 254 |
/* Should not happen ! */ |
|
| 255 |
fprintf(stderr, "External interruption... Stop emulation\n"); |
|
| 256 |
if (loglevel) |
|
| 257 |
fprintf(logfile, "External interruption... Stop emulation\n"); |
|
| 258 |
abort(); |
|
| 259 |
case EXCP_ALIGN: |
|
| 260 |
fprintf(stderr, "Invalid unaligned memory access\n"); |
|
| 261 |
if (loglevel) |
|
| 262 |
fprintf(logfile, "Invalid unaligned memory access\n"); |
|
| 263 |
info.si_signo = SIGBUS; |
|
| 220 |
case POWERPC_EXCP_EXTERNAL: /* External input */ |
|
| 221 |
cpu_abort(env, "External interrupt while in user mode. " |
|
| 222 |
"Aborting\n"); |
|
| 223 |
break; |
|
| 224 |
case POWERPC_EXCP_ALIGN: /* Alignment exception */ |
|
| 225 |
EXCP_DUMP(env, "Unaligned memory access\n"); |
|
| 264 | 226 |
info.si_errno = 0; |
| 265 | 227 |
info.si_code = BUS_ADRALN; |
| 266 | 228 |
info.si_addr = (void*)(env->nip - 4); |
| 267 | 229 |
queue_signal(info.si_signo, &info); |
| 268 | 230 |
break; |
| 269 |
case EXCP_PROGRAM: |
|
| 231 |
case POWERPC_EXCP_PROGRAM: /* Program exception */ |
|
| 232 |
/* XXX: check this */ |
|
| 270 | 233 |
switch (env->error_code & ~0xF) {
|
| 271 |
case EXCP_FP:
|
|
| 272 |
fprintf(stderr, "Program exception\n");
|
|
| 273 |
if (loglevel)
|
|
| 274 |
fprintf(logfile, "Program exception\n");
|
|
| 275 |
/* Set FX */
|
|
| 276 |
env->fpscr[7] |= 0x8;
|
|
| 277 |
/* Finally, update FEX */
|
|
| 278 |
if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
|
|
| 279 |
((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
|
|
| 280 |
env->fpscr[7] |= 0x4;
|
|
| 281 |
info.si_signo = SIGFPE;
|
|
| 282 |
info.si_errno = 0;
|
|
| 283 |
switch (env->error_code & 0xF) {
|
|
| 284 |
case EXCP_FP_OX:
|
|
| 285 |
info.si_code = FPE_FLTOVF;
|
|
| 286 |
break;
|
|
| 287 |
case EXCP_FP_UX:
|
|
| 288 |
info.si_code = FPE_FLTUND;
|
|
| 289 |
break;
|
|
| 290 |
case EXCP_FP_ZX:
|
|
| 291 |
case EXCP_FP_VXZDZ:
|
|
| 292 |
info.si_code = FPE_FLTDIV;
|
|
| 293 |
break;
|
|
| 294 |
case EXCP_FP_XX:
|
|
| 295 |
info.si_code = FPE_FLTRES;
|
|
| 296 |
break;
|
|
| 297 |
case EXCP_FP_VXSOFT:
|
|
| 298 |
info.si_code = FPE_FLTINV;
|
|
| 299 |
break;
|
|
| 300 |
case EXCP_FP_VXNAN:
|
|
| 301 |
case EXCP_FP_VXISI:
|
|
| 302 |
case EXCP_FP_VXIDI:
|
|
| 303 |
case EXCP_FP_VXIMZ:
|
|
| 304 |
case EXCP_FP_VXVC:
|
|
| 305 |
case EXCP_FP_VXSQRT:
|
|
| 306 |
case EXCP_FP_VXCVI:
|
|
| 307 |
info.si_code = FPE_FLTSUB;
|
|
| 308 |
break;
|
|
| 309 |
default:
|
|
| 310 |
fprintf(stderr, "Unknown floating point exception "
|
|
| 311 |
"(%02x)\n", env->error_code);
|
|
| 312 |
if (loglevel) {
|
|
| 313 |
fprintf(logfile, "Unknown floating point exception "
|
|
| 314 |
"(%02x)\n", env->error_code & 0xF);
|
|
| 315 |
}
|
|
| 316 |
}
|
|
| 317 |
break;
|
|
| 318 |
case EXCP_INVAL:
|
|
| 319 |
fprintf(stderr, "Invalid instruction\n");
|
|
| 320 |
if (loglevel)
|
|
| 321 |
fprintf(logfile, "Invalid instruction\n");
|
|
| 322 |
info.si_signo = SIGILL;
|
|
| 323 |
info.si_errno = 0;
|
|
| 324 |
switch (env->error_code & 0xF) {
|
|
| 325 |
case EXCP_INVAL_INVAL:
|
|
| 326 |
info.si_code = ILL_ILLOPC;
|
|
| 327 |
break;
|
|
| 328 |
case EXCP_INVAL_LSWX:
|
|
| 329 |
info.si_code = ILL_ILLOPN;
|
|
| 330 |
break;
|
|
| 331 |
case EXCP_INVAL_SPR:
|
|
| 332 |
info.si_code = ILL_PRVREG;
|
|
| 333 |
break;
|
|
| 334 |
case EXCP_INVAL_FP:
|
|
| 335 |
info.si_code = ILL_COPROC;
|
|
| 336 |
break;
|
|
| 337 |
default:
|
|
| 338 |
fprintf(stderr, "Unknown invalid operation (%02x)\n",
|
|
| 339 |
env->error_code & 0xF);
|
|
| 340 |
if (loglevel) {
|
|
| 341 |
fprintf(logfile, "Unknown invalid operation (%02x)\n",
|
|
| 342 |
env->error_code & 0xF);
|
|
| 343 |
}
|
|
| 344 |
info.si_code = ILL_ILLADR;
|
|
| 345 |
break;
|
|
| 346 |
}
|
|
| 347 |
/* Handle this via the gdb */
|
|
| 348 |
gdb_handlesig (env, SIGSEGV);
|
|
| 234 |
case POWERPC_EXCP_FP:
|
|
| 235 |
EXCP_DUMP(env, "Floating point program exception\n");
|
|
| 236 |
/* Set FX */
|
|
| 237 |
env->fpscr[7] |= 0x8;
|
|
| 238 |
/* Finally, update FEX */
|
|
| 239 |
if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
|
|
| 240 |
((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
|
|
| 241 |
env->fpscr[7] |= 0x4;
|
|
| 242 |
info.si_signo = SIGFPE;
|
|
| 243 |
info.si_errno = 0;
|
|
| 244 |
switch (env->error_code & 0xF) {
|
|
| 245 |
case POWERPC_EXCP_FP_OX:
|
|
| 246 |
info.si_code = FPE_FLTOVF;
|
|
| 247 |
break;
|
|
| 248 |
case POWERPC_EXCP_FP_UX:
|
|
| 249 |
info.si_code = FPE_FLTUND;
|
|
| 250 |
break;
|
|
| 251 |
case POWERPC_EXCP_FP_ZX:
|
|
| 252 |
case POWERPC_EXCP_FP_VXZDZ:
|
|
| 253 |
info.si_code = FPE_FLTDIV;
|
|
| 254 |
break;
|
|
| 255 |
case POWERPC_EXCP_FP_XX:
|
|
| 256 |
info.si_code = FPE_FLTRES;
|
|
| 257 |
break;
|
|
| 258 |
case POWERPC_EXCP_FP_VXSOFT:
|
|
| 259 |
info.si_code = FPE_FLTINV;
|
|
| 260 |
break;
|
|
| 261 |
case POWERPC_EXCP_FP_VXNAN:
|
|
| 262 |
case POWERPC_EXCP_FP_VXISI:
|
|
| 263 |
case POWERPC_EXCP_FP_VXIDI:
|
|
| 264 |
case POWERPC_EXCP_FP_VXIMZ:
|
|
| 265 |
case POWERPC_EXCP_FP_VXVC:
|
|
| 266 |
case POWERPC_EXCP_FP_VXSQRT:
|
|
| 267 |
case POWERPC_EXCP_FP_VXCVI:
|
|
| 268 |
info.si_code = FPE_FLTSUB;
|
|
| 269 |
break;
|
|
| 270 |
default:
|
|
| 271 |
EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
|
|
| 272 |
env->error_code);
|
|
| 273 |
break;
|
|
| 274 |
}
|
|
| 275 |
break;
|
|
| 276 |
case POWERPC_EXCP_INVAL:
|
|
| 277 |
EXCP_DUMP(env, "Invalid instruction\n");
|
|
| 278 |
info.si_signo = SIGILL;
|
|
| 279 |
info.si_errno = 0;
|
|
| 280 |
switch (env->error_code & 0xF) {
|
|
| 281 |
case POWERPC_EXCP_INVAL_INVAL:
|
|
| 282 |
info.si_code = ILL_ILLOPC;
|
|
| 283 |
break;
|
|
| 284 |
case POWERPC_EXCP_INVAL_LSWX:
|
|
| 285 |
info.si_code = ILL_ILLOPN;
|
|
| 286 |
break;
|
|
| 287 |
case POWERPC_EXCP_INVAL_SPR:
|
|
| 288 |
info.si_code = ILL_PRVREG;
|
|
| 289 |
break;
|
|
| 290 |
case POWERPC_EXCP_INVAL_FP:
|
|
| 291 |
info.si_code = ILL_COPROC;
|
|
| 292 |
break;
|
|
| 293 |
default:
|
|
| 294 |
EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
|
|
| 295 |
env->error_code & 0xF);
|
|
| 296 |
info.si_code = ILL_ILLADR;
|
|
| 297 |
break;
|
|
| 298 |
}
|
|
| 299 |
/* Handle this via the gdb */
|
|
| 300 |
gdb_handlesig (env, SIGSEGV);
|
|
| 301 |
break;
|
|
| 302 |
case POWERPC_EXCP_PRIV:
|
|
| 303 |
EXCP_DUMP(env, "Privilege violation\n");
|
|
| 304 |
info.si_signo = SIGILL;
|
|
| 305 |
info.si_errno = 0;
|
|
| 306 |
switch (env->error_code & 0xF) {
|
|
| 307 |
case POWERPC_EXCP_PRIV_OPC:
|
|
| 308 |
info.si_code = ILL_PRVOPC;
|
|
| 309 |
break;
|
|
| 310 |
case POWERPC_EXCP_PRIV_REG:
|
|
| 311 |
info.si_code = ILL_PRVREG;
|
|
| 349 | 312 |
break; |
| 350 |
case EXCP_PRIV: |
|
| 351 |
fprintf(stderr, "Privilege violation\n"); |
|
| 352 |
if (loglevel) |
|
| 353 |
fprintf(logfile, "Privilege violation\n"); |
|
| 354 |
info.si_signo = SIGILL; |
|
| 355 |
info.si_errno = 0; |
|
| 356 |
switch (env->error_code & 0xF) {
|
|
| 357 |
case EXCP_PRIV_OPC: |
|
| 358 |
info.si_code = ILL_PRVOPC; |
|
| 359 |
break; |
|
| 360 |
case EXCP_PRIV_REG: |
|
| 361 |
info.si_code = ILL_PRVREG; |
|
| 362 |
break; |
|
| 363 |
default: |
|
| 364 |
fprintf(stderr, "Unknown privilege violation (%02x)\n", |
|
| 365 |
env->error_code & 0xF); |
|
| 366 |
info.si_code = ILL_PRVOPC; |
|
| 367 |
break; |
|
| 368 |
} |
|
| 369 |
break; |
|
| 370 |
case EXCP_TRAP: |
|
| 371 |
fprintf(stderr, "Tried to call a TRAP\n"); |
|
| 372 |
if (loglevel) |
|
| 373 |
fprintf(logfile, "Tried to call a TRAP\n"); |
|
| 374 |
abort(); |
|
| 375 | 313 |
default: |
| 376 |
/* Should not happen ! */ |
|
| 377 |
fprintf(stderr, "Unknown program exception (%02x)\n", |
|
| 378 |
env->error_code); |
|
| 379 |
if (loglevel) {
|
|
| 380 |
fprintf(logfile, "Unknwon program exception (%02x)\n", |
|
| 381 |
env->error_code); |
|
| 382 |
} |
|
| 383 |
abort(); |
|
| 314 |
EXCP_DUMP(env, "Unknown privilege violation (%02x)\n", |
|
| 315 |
env->error_code & 0xF); |
|
| 316 |
info.si_code = ILL_PRVOPC; |
|
| 317 |
break; |
|
| 318 |
} |
|
| 319 |
break; |
|
| 320 |
case POWERPC_EXCP_TRAP: |
|
| 321 |
cpu_abort(env, "Tried to call a TRAP\n"); |
|
| 322 |
break; |
|
| 323 |
default: |
|
| 324 |
/* Should not happen ! */ |
|
| 325 |
cpu_abort(env, "Unknown program exception (%02x)\n", |
|
| 326 |
env->error_code); |
|
| 327 |
break; |
|
| 384 | 328 |
} |
| 385 | 329 |
info.si_addr = (void*)(env->nip - 4); |
| 386 | 330 |
queue_signal(info.si_signo, &info); |
| 387 | 331 |
break; |
| 388 |
case EXCP_NO_FP: |
|
| 389 |
fprintf(stderr, "No floating point allowed\n"); |
|
| 390 |
if (loglevel) |
|
| 391 |
fprintf(logfile, "No floating point allowed\n"); |
|
| 392 |
info.si_signo = SIGILL; |
|
| 332 |
case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ |
|
| 333 |
EXCP_DUMP(env, "No floating point allowed\n"); |
|
| 334 |
info.si_signo = SIGILL; |
|
| 393 | 335 |
info.si_errno = 0; |
| 394 | 336 |
info.si_code = ILL_COPROC; |
| 395 | 337 |
info.si_addr = (void*)(env->nip - 4); |
| 396 | 338 |
queue_signal(info.si_signo, &info); |
| 397 | 339 |
break; |
| 398 |
case EXCP_DECR: |
|
| 399 |
/* Should not happen ! */ |
|
| 400 |
fprintf(stderr, "Decrementer exception\n"); |
|
| 401 |
if (loglevel) |
|
| 402 |
fprintf(logfile, "Decrementer exception\n"); |
|
| 403 |
abort(); |
|
| 404 |
case EXCP_TRACE: |
|
| 405 |
/* Pass to gdb: we use this to trace execution */ |
|
| 406 |
gdb_handlesig (env, SIGTRAP); |
|
| 340 |
case POWERPC_EXCP_SYSCALL: /* System call exception */ |
|
| 341 |
cpu_abort(env, "Syscall exception while in user mode. " |
|
| 342 |
"Aborting\n"); |
|
| 407 | 343 |
break; |
| 408 |
case EXCP_FP_ASSIST: |
|
| 409 |
/* Should not happen ! */ |
|
| 410 |
fprintf(stderr, "Floating point assist exception\n"); |
|
| 411 |
if (loglevel) |
|
| 412 |
fprintf(logfile, "Floating point assist exception\n"); |
|
| 413 |
abort(); |
|
| 414 |
case EXCP_MTMSR: |
|
| 415 |
/* We reloaded the msr, just go on */ |
|
| 416 |
if (msr_pr == 0) {
|
|
| 417 |
fprintf(stderr, "Tried to go into supervisor mode !\n"); |
|
| 418 |
if (loglevel) |
|
| 419 |
fprintf(logfile, "Tried to go into supervisor mode !\n"); |
|
| 420 |
abort(); |
|
| 421 |
} |
|
| 344 |
case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ |
|
| 345 |
EXCP_DUMP(env, "No APU instruction allowed\n"); |
|
| 346 |
info.si_signo = SIGILL; |
|
| 347 |
info.si_errno = 0; |
|
| 348 |
info.si_code = ILL_COPROC; |
|
| 349 |
info.si_addr = (void*)(env->nip - 4); |
|
| 350 |
queue_signal(info.si_signo, &info); |
|
| 422 | 351 |
break; |
| 423 |
case EXCP_BRANCH: |
|
| 424 |
/* We stopped because of a jump... */ |
|
| 352 |
case POWERPC_EXCP_DECR: /* Decrementer exception */ |
|
| 353 |
cpu_abort(env, "Decrementer interrupt while in user mode. " |
|
| 354 |
"Aborting\n"); |
|
| 425 | 355 |
break; |
| 426 |
case EXCP_INTERRUPT:
|
|
| 427 |
/* Don't know why this should ever happen... */
|
|
| 428 |
fprintf(stderr, "EXCP_INTERRUPT\n");
|
|
| 356 |
case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
|
|
| 357 |
cpu_abort(env, "Fix interval timer interrupt while in user mode. "
|
|
| 358 |
"Aborting\n");
|
|
| 429 | 359 |
break; |
| 430 |
case EXCP_DEBUG: |
|
| 360 |
case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ |
|
| 361 |
cpu_abort(env, "Watchdog timer interrupt while in user mode. " |
|
| 362 |
"Aborting\n"); |
|
| 363 |
break; |
|
| 364 |
case POWERPC_EXCP_DTLB: /* Data TLB error */ |
|
| 365 |
cpu_abort(env, "Data TLB exception while in user mode. " |
|
| 366 |
"Aborting\n"); |
|
| 367 |
break; |
|
| 368 |
case POWERPC_EXCP_ITLB: /* Instruction TLB error */ |
|
| 369 |
cpu_abort(env, "Instruction TLB exception while in user mode. " |
|
| 370 |
"Aborting\n"); |
|
| 371 |
break; |
|
| 372 |
case POWERPC_EXCP_DEBUG: /* Debug interrupt */ |
|
| 431 | 373 |
gdb_handlesig (env, SIGTRAP); |
| 432 | 374 |
break; |
| 433 |
default: |
|
| 434 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", |
|
| 435 |
trapnr); |
|
| 436 |
if (loglevel) {
|
|
| 437 |
fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - " |
|
| 438 |
"0x%02x - aborting\n", trapnr, env->error_code); |
|
| 375 |
#if defined(TARGET_PPCEMB) |
|
| 376 |
case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */ |
|
| 377 |
EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n"); |
|
| 378 |
info.si_signo = SIGILL; |
|
| 379 |
info.si_errno = 0; |
|
| 380 |
info.si_code = ILL_COPROC; |
|
| 381 |
info.si_addr = (void*)(env->nip - 4); |
|
| 382 |
queue_signal(info.si_signo, &info); |
|
| 383 |
break; |
|
| 384 |
case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */ |
|
| 385 |
cpu_abort(env, "Embedded floating-point data IRQ not handled\n"); |
|
| 386 |
break; |
|
| 387 |
case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ |
|
| 388 |
cpu_abort(env, "Embedded floating-point round IRQ not handled\n"); |
|
| 389 |
break; |
|
| 390 |
case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ |
|
| 391 |
cpu_abort(env, "Performance monitor exception not handled\n"); |
|
| 392 |
break; |
|
| 393 |
case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ |
|
| 394 |
cpu_abort(env, "Doorbell interrupt while in user mode. " |
|
| 395 |
"Aborting\n"); |
|
| 396 |
break; |
|
| 397 |
case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ |
|
| 398 |
cpu_abort(env, "Doorbell critical interrupt while in user mode. " |
|
| 399 |
"Aborting\n"); |
|
| 400 |
break; |
|
| 401 |
#endif /* defined(TARGET_PPCEMB) */ |
|
| 402 |
case POWERPC_EXCP_RESET: /* System reset exception */ |
|
| 403 |
cpu_abort(env, "Reset interrupt while in user mode. " |
|
| 404 |
"Aborting\n"); |
|
| 405 |
break; |
|
| 406 |
#if defined(TARGET_PPC64) /* PowerPC 64 */ |
|
| 407 |
case POWERPC_EXCP_DSEG: /* Data segment exception */ |
|
| 408 |
cpu_abort(env, "Data segment exception while in user mode. " |
|
| 409 |
"Aborting\n"); |
|
| 410 |
break; |
|
| 411 |
case POWERPC_EXCP_ISEG: /* Instruction segment exception */ |
|
| 412 |
cpu_abort(env, "Instruction segment exception " |
|
| 413 |
"while in user mode. Aborting\n"); |
|
| 414 |
break; |
|
| 415 |
#endif /* defined(TARGET_PPC64) */ |
|
| 416 |
#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */ |
|
| 417 |
case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ |
|
| 418 |
cpu_abort(env, "Hypervisor decrementer interrupt " |
|
| 419 |
"while in user mode. Aborting\n"); |
|
| 420 |
break; |
|
| 421 |
#endif /* defined(TARGET_PPC64H) */ |
|
| 422 |
case POWERPC_EXCP_TRACE: /* Trace exception */ |
|
| 423 |
/* Nothing to do: |
|
| 424 |
* we use this exception to emulate step-by-step execution mode. |
|
| 425 |
*/ |
|
| 426 |
break; |
|
| 427 |
#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */ |
|
| 428 |
case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ |
|
| 429 |
cpu_abort(env, "Hypervisor data storage exception " |
|
| 430 |
"while in user mode. Aborting\n"); |
|
| 431 |
break; |
|
| 432 |
case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ |
|
| 433 |
cpu_abort(env, "Hypervisor instruction storage exception " |
|
| 434 |
"while in user mode. Aborting\n"); |
|
| 435 |
break; |
|
| 436 |
case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ |
|
| 437 |
cpu_abort(env, "Hypervisor data segment exception " |
|
| 438 |
"while in user mode. Aborting\n"); |
|
| 439 |
break; |
|
| 440 |
case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ |
|
| 441 |
cpu_abort(env, "Hypervisor instruction segment exception " |
|
| 442 |
"while in user mode. Aborting\n"); |
|
| 443 |
break; |
|
| 444 |
#endif /* defined(TARGET_PPC64H) */ |
|
| 445 |
case POWERPC_EXCP_VPU: /* Vector unavailable exception */ |
|
| 446 |
EXCP_DUMP(env, "No Altivec instructions allowed\n"); |
|
| 447 |
info.si_signo = SIGILL; |
|
| 448 |
info.si_errno = 0; |
|
| 449 |
info.si_code = ILL_COPROC; |
|
| 450 |
info.si_addr = (void*)(env->nip - 4); |
|
| 451 |
queue_signal(info.si_signo, &info); |
|
| 452 |
break; |
|
| 453 |
case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */ |
|
| 454 |
cpu_abort(env, "Programable interval timer interrupt " |
|
| 455 |
"while in user mode. Aborting\n"); |
|
| 456 |
break; |
|
| 457 |
case POWERPC_EXCP_IO: /* IO error exception */ |
|
| 458 |
cpu_abort(env, "IO error exception while in user mode. " |
|
| 459 |
"Aborting\n"); |
|
| 460 |
break; |
|
| 461 |
case POWERPC_EXCP_RUNM: /* Run mode exception */ |
|
| 462 |
cpu_abort(env, "Run mode exception while in user mode. " |
|
| 463 |
"Aborting\n"); |
|
| 464 |
break; |
|
| 465 |
case POWERPC_EXCP_EMUL: /* Emulation trap exception */ |
|
| 466 |
cpu_abort(env, "Emulation trap exception not handled\n"); |
|
| 467 |
break; |
|
| 468 |
case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ |
|
| 469 |
cpu_abort(env, "Instruction fetch TLB exception " |
|
| 470 |
"while in user-mode. Aborting"); |
|
| 471 |
break; |
|
| 472 |
case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ |
|
| 473 |
cpu_abort(env, "Data load TLB exception while in user-mode. " |
|
| 474 |
"Aborting"); |
|
| 475 |
break; |
|
| 476 |
case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ |
|
| 477 |
cpu_abort(env, "Data store TLB exception while in user-mode. " |
|
| 478 |
"Aborting"); |
|
| 479 |
break; |
|
| 480 |
case POWERPC_EXCP_FPA: /* Floating-point assist exception */ |
|
| 481 |
cpu_abort(env, "Floating-point assist exception not handled\n"); |
|
| 482 |
break; |
|
| 483 |
case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ |
|
| 484 |
cpu_abort(env, "Instruction address breakpoint exception " |
|
| 485 |
"not handled\n"); |
|
| 486 |
break; |
|
| 487 |
case POWERPC_EXCP_SMI: /* System management interrupt */ |
|
| 488 |
cpu_abort(env, "System management interrupt while in user mode. " |
|
| 489 |
"Aborting\n"); |
|
| 490 |
break; |
|
| 491 |
case POWERPC_EXCP_THERM: /* Thermal interrupt */ |
|
| 492 |
cpu_abort(env, "Thermal interrupt interrupt while in user mode. " |
|
| 493 |
"Aborting\n"); |
|
| 494 |
break; |
|
| 495 |
case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ |
|
| 496 |
cpu_abort(env, "Performance monitor exception not handled\n"); |
|
| 497 |
break; |
|
| 498 |
case POWERPC_EXCP_VPUA: /* Vector assist exception */ |
|
| 499 |
cpu_abort(env, "Vector assist exception not handled\n"); |
|
| 500 |
break; |
|
| 501 |
case POWERPC_EXCP_SOFTP: /* Soft patch exception */ |
|
| 502 |
cpu_abort(env, "Soft patch exception not handled\n"); |
|
| 503 |
break; |
|
| 504 |
case POWERPC_EXCP_MAINT: /* Maintenance exception */ |
|
| 505 |
cpu_abort(env, "Maintenance exception while in user mode. " |
|
| 506 |
"Aborting\n"); |
|
| 507 |
break; |
|
| 508 |
case POWERPC_EXCP_STOP: /* stop translation */ |
|
| 509 |
/* We did invalidate the instruction cache. Go on */ |
|
| 510 |
break; |
|
| 511 |
case POWERPC_EXCP_BRANCH: /* branch instruction: */ |
|
| 512 |
/* We just stopped because of a branch. Go on */ |
|
| 513 |
break; |
|
| 514 |
case POWERPC_EXCP_SYSCALL_USER: |
|
| 515 |
/* system call in user-mode emulation */ |
|
| 516 |
/* system call */ |
|
| 517 |
if(((int)env->gpr[0]) <= SYS_MAXSYSCALL && ((int)env->gpr[0])>0) |
|
| 518 |
ret = do_unix_syscall(env, env->gpr[0]/*, env->gpr[3], env->gpr[4], |
|
| 519 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 520 |
env->gpr[8], env->gpr[9], env->gpr[10]*/); |
|
| 521 |
else if(((int)env->gpr[0])<0) |
|
| 522 |
ret = do_mach_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
|
| 523 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 524 |
env->gpr[8], env->gpr[9], env->gpr[10]); |
|
| 525 |
else |
|
| 526 |
ret = do_thread_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
|
| 527 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 528 |
env->gpr[8], env->gpr[9], env->gpr[10]); |
|
| 529 |
|
|
| 530 |
/* Unix syscall error signaling */ |
|
| 531 |
if(((int)env->gpr[0]) <= SYS_MAXSYSCALL && ((int)env->gpr[0])>0) |
|
| 532 |
{
|
|
| 533 |
if( (int)ret < 0 ) |
|
| 534 |
env->nip += 0; |
|
| 535 |
else |
|
| 536 |
env->nip += 4; |
|
| 439 | 537 |
} |
| 440 |
abort(); |
|
| 538 |
|
|
| 539 |
/* Return value */ |
|
| 540 |
env->gpr[3] = ret; |
|
| 541 |
break; |
|
| 542 |
default: |
|
| 543 |
cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr); |
|
| 544 |
break; |
|
| 441 | 545 |
} |
| 442 | 546 |
process_pending_signals(env); |
| 443 | 547 |
} |
| b/linux-user/main.c | ||
|---|---|---|
| 723 | 723 |
return -1; |
| 724 | 724 |
} |
| 725 | 725 |
|
| 726 |
#define EXCP_DUMP(env, fmt, args...) \ |
|
| 727 |
do { \
|
|
| 728 |
fprintf(stderr, fmt , ##args); \ |
|
| 729 |
cpu_dump_state(env, stderr, fprintf, 0); \ |
|
| 730 |
if (loglevel != 0) { \
|
|
| 731 |
fprintf(logfile, fmt , ##args); \ |
|
| 732 |
cpu_dump_state(env, logfile, fprintf, 0); \ |
|
| 733 |
} \ |
|
| 734 |
} while (0) |
|
| 735 |
|
|
| 726 | 736 |
void cpu_loop(CPUPPCState *env) |
| 727 | 737 |
{
|
| 728 | 738 |
target_siginfo_t info; |
| ... | ... | |
| 731 | 741 |
|
| 732 | 742 |
for(;;) {
|
| 733 | 743 |
trapnr = cpu_ppc_exec(env); |
| 734 |
if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH && |
|
| 735 |
trapnr != EXCP_TRACE) {
|
|
| 736 |
if (loglevel > 0) {
|
|
| 737 |
cpu_dump_state(env, logfile, fprintf, 0); |
|
| 738 |
} |
|
| 739 |
} |
|
| 740 | 744 |
switch(trapnr) {
|
| 741 |
case EXCP_NONE: |
|
| 745 |
case POWERPC_EXCP_NONE: |
|
| 746 |
/* Just go on */ |
|
| 742 | 747 |
break; |
| 743 |
case EXCP_SYSCALL_USER: |
|
| 744 |
/* system call */ |
|
| 745 |
/* WARNING: |
|
| 746 |
* PPC ABI uses overflow flag in cr0 to signal an error |
|
| 747 |
* in syscalls. |
|
| 748 |
*/ |
|
| 749 |
#if 0 |
|
| 750 |
printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
|
|
| 751 |
env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); |
|
| 752 |
#endif |
|
| 753 |
env->crf[0] &= ~0x1; |
|
| 754 |
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
|
| 755 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 756 |
env->gpr[8]); |
|
| 757 |
if (ret > (uint32_t)(-515)) {
|
|
| 758 |
env->crf[0] |= 0x1; |
|
| 759 |
ret = -ret; |
|
| 760 |
} |
|
| 761 |
env->gpr[3] = ret; |
|
| 762 |
#if 0 |
|
| 763 |
printf("syscall returned 0x%08x (%d)\n", ret, ret);
|
|
| 764 |
#endif |
|
| 748 |
case POWERPC_EXCP_CRITICAL: /* Critical input */ |
|
| 749 |
cpu_abort(env, "Critical interrupt while in user mode. " |
|
| 750 |
"Aborting\n"); |
|
| 765 | 751 |
break; |
| 766 |
case EXCP_RESET: |
|
| 767 |
/* Should not happen ! */ |
|
| 768 |
fprintf(stderr, "RESET asked... Stop emulation\n"); |
|
| 769 |
if (loglevel) |
|
| 770 |
fprintf(logfile, "RESET asked... Stop emulation\n"); |
|
| 771 |
abort(); |
|
| 772 |
case EXCP_MACHINE_CHECK: |
|
| 773 |
fprintf(stderr, "Machine check exeption... Stop emulation\n"); |
|
| 774 |
if (loglevel) |
|
| 775 |
fprintf(logfile, "Machine check exception. Stop emulation\n"); |
|
| 776 |
info.si_signo = TARGET_SIGBUS; |
|
| 777 |
info.si_errno = 0; |
|
| 778 |
info.si_code = TARGET_BUS_OBJERR; |
|
| 779 |
info._sifields._sigfault._addr = env->nip - 4; |
|
| 780 |
queue_signal(info.si_signo, &info); |
|
| 781 |
case EXCP_DSI: |
|
| 782 |
fprintf(stderr, "Invalid data memory access: 0x" ADDRX "\n", |
|
| 783 |
env->spr[SPR_DAR]); |
|
| 784 |
if (loglevel) {
|
|
| 785 |
fprintf(logfile, "Invalid data memory access: 0x" ADDRX "\n", |
|
| 786 |
env->spr[SPR_DAR]); |
|
| 787 |
} |
|
| 752 |
case POWERPC_EXCP_MCHECK: /* Machine check exception */ |
|
| 753 |
cpu_abort(env, "Machine check exception while in user mode. " |
|
| 754 |
"Aborting\n"); |
|
| 755 |
break; |
|
| 756 |
case POWERPC_EXCP_DSI: /* Data storage exception */ |
|
| 757 |
EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n", |
|
| 758 |
env->spr[SPR_DAR]); |
|
| 759 |
/* XXX: check this. Seems bugged */ |
|
| 788 | 760 |
switch (env->error_code & 0xFF000000) {
|
| 789 | 761 |
case 0x40000000: |
| 790 | 762 |
info.si_signo = TARGET_SIGSEGV; |
| ... | ... | |
| 803 | 775 |
break; |
| 804 | 776 |
default: |
| 805 | 777 |
/* Let's send a regular segfault... */ |
| 806 |
fprintf(stderr, "Invalid segfault errno (%02x)\n", |
|
| 807 |
env->error_code); |
|
| 808 |
if (loglevel) {
|
|
| 809 |
fprintf(logfile, "Invalid segfault errno (%02x)\n", |
|
| 810 |
env->error_code); |
|
| 811 |
} |
|
| 778 |
EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", |
|
| 779 |
env->error_code); |
|
| 812 | 780 |
info.si_signo = TARGET_SIGSEGV; |
| 813 | 781 |
info.si_errno = 0; |
| 814 | 782 |
info.si_code = TARGET_SEGV_MAPERR; |
| ... | ... | |
| 817 | 785 |
info._sifields._sigfault._addr = env->nip; |
| 818 | 786 |
queue_signal(info.si_signo, &info); |
| 819 | 787 |
break; |
| 820 |
case EXCP_ISI:
|
|
| 821 |
fprintf(stderr, "Invalid instruction fetch\n");
|
|
| 822 |
if (loglevel)
|
|
| 823 |
fprintf(logfile, "Invalid instruction fetch\n");
|
|
| 788 |
case POWERPC_EXCP_ISI: /* Instruction storage exception */
|
|
| 789 |
EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
|
|
| 790 |
env->spr[SPR_DAR]);
|
|
| 791 |
/* XXX: check this */
|
|
| 824 | 792 |
switch (env->error_code & 0xFF000000) {
|
| 825 | 793 |
case 0x40000000: |
| 826 | 794 |
info.si_signo = TARGET_SIGSEGV; |
| ... | ... | |
| 835 | 803 |
break; |
| 836 | 804 |
default: |
| 837 | 805 |
/* Let's send a regular segfault... */ |
| 838 |
fprintf(stderr, "Invalid segfault errno (%02x)\n", |
|
| 839 |
env->error_code); |
|
| 840 |
if (loglevel) {
|
|
| 841 |
fprintf(logfile, "Invalid segfault errno (%02x)\n", |
|
| 842 |
env->error_code); |
|
| 843 |
} |
|
| 806 |
EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", |
|
| 807 |
env->error_code); |
|
| 844 | 808 |
info.si_signo = TARGET_SIGSEGV; |
| 845 | 809 |
info.si_errno = 0; |
| 846 | 810 |
info.si_code = TARGET_SEGV_MAPERR; |
| ... | ... | |
| 849 | 813 |
info._sifields._sigfault._addr = env->nip - 4; |
| 850 | 814 |
queue_signal(info.si_signo, &info); |
| 851 | 815 |
break; |
| 852 |
case EXCP_EXTERNAL: |
|
| 853 |
/* Should not happen ! */ |
|
| 854 |
fprintf(stderr, "External interruption... Stop emulation\n"); |
|
| 855 |
if (loglevel) |
|
| 856 |
fprintf(logfile, "External interruption... Stop emulation\n"); |
|
| 857 |
abort(); |
|
| 858 |
case EXCP_ALIGN: |
|
| 859 |
fprintf(stderr, "Invalid unaligned memory access\n"); |
|
| 860 |
if (loglevel) |
|
| 861 |
fprintf(logfile, "Invalid unaligned memory access\n"); |
|
| 816 |
case POWERPC_EXCP_EXTERNAL: /* External input */ |
|
| 817 |
cpu_abort(env, "External interrupt while in user mode. " |
|
| 818 |
"Aborting\n"); |
|
| 819 |
break; |
|
| 820 |
case POWERPC_EXCP_ALIGN: /* Alignment exception */ |
|
| 821 |
EXCP_DUMP(env, "Unaligned memory access\n"); |
|
| 822 |
/* XXX: check this */ |
|
| 862 | 823 |
info.si_signo = TARGET_SIGBUS; |
| 863 | 824 |
info.si_errno = 0; |
| 864 | 825 |
info.si_code = TARGET_BUS_ADRALN; |
| 865 | 826 |
info._sifields._sigfault._addr = env->nip - 4; |
| 866 | 827 |
queue_signal(info.si_signo, &info); |
| 867 | 828 |
break; |
| 868 |
case EXCP_PROGRAM: |
|
| 829 |
case POWERPC_EXCP_PROGRAM: /* Program exception */ |
|
| 830 |
/* XXX: check this */ |
|
| 869 | 831 |
switch (env->error_code & ~0xF) {
|
| 870 |
case EXCP_FP: |
|
| 871 |
fprintf(stderr, "Program exception\n"); |
|
| 872 |
if (loglevel) |
|
| 873 |
fprintf(logfile, "Program exception\n"); |
|
| 832 |
case POWERPC_EXCP_FP: |
|
| 833 |
EXCP_DUMP(env, "Floating point program exception\n"); |
|
| 874 | 834 |
/* Set FX */ |
| 875 | 835 |
env->fpscr[7] |= 0x8; |
| 876 | 836 |
/* Finally, update FEX */ |
| ... | ... | |
| 880 | 840 |
info.si_signo = TARGET_SIGFPE; |
| 881 | 841 |
info.si_errno = 0; |
| 882 | 842 |
switch (env->error_code & 0xF) {
|
| 883 |
case EXCP_FP_OX: |
|
| 843 |
case POWERPC_EXCP_FP_OX:
|
|
| 884 | 844 |
info.si_code = TARGET_FPE_FLTOVF; |
| 885 | 845 |
break; |
| 886 |
case EXCP_FP_UX: |
|
| 846 |
case POWERPC_EXCP_FP_UX:
|
|
| 887 | 847 |
info.si_code = TARGET_FPE_FLTUND; |
| 888 | 848 |
break; |
| 889 |
case EXCP_FP_ZX: |
|
| 890 |
case EXCP_FP_VXZDZ: |
|
| 849 |
case POWERPC_EXCP_FP_ZX:
|
|
| 850 |
case POWERPC_EXCP_FP_VXZDZ:
|
|
| 891 | 851 |
info.si_code = TARGET_FPE_FLTDIV; |
| 892 | 852 |
break; |
| 893 |
case EXCP_FP_XX: |
|
| 853 |
case POWERPC_EXCP_FP_XX:
|
|
| 894 | 854 |
info.si_code = TARGET_FPE_FLTRES; |
| 895 | 855 |
break; |
| 896 |
case EXCP_FP_VXSOFT: |
|
| 856 |
case POWERPC_EXCP_FP_VXSOFT:
|
|
| 897 | 857 |
info.si_code = TARGET_FPE_FLTINV; |
| 898 | 858 |
break; |
| 899 |
case EXCP_FP_VXNAN: |
|
| 900 |
case EXCP_FP_VXISI: |
|
| 901 |
case EXCP_FP_VXIDI: |
|
| 902 |
case EXCP_FP_VXIMZ: |
|
| 903 |
case EXCP_FP_VXVC: |
|
| 904 |
case EXCP_FP_VXSQRT: |
|
| 905 |
case EXCP_FP_VXCVI: |
|
| 859 |
case POWERPC_EXCP_FP_VXNAN:
|
|
| 860 |
case POWERPC_EXCP_FP_VXISI:
|
|
| 861 |
case POWERPC_EXCP_FP_VXIDI:
|
|
| 862 |
case POWERPC_EXCP_FP_VXIMZ:
|
|
| 863 |
case POWERPC_EXCP_FP_VXVC:
|
|
| 864 |
case POWERPC_EXCP_FP_VXSQRT:
|
|
| 865 |
case POWERPC_EXCP_FP_VXCVI:
|
|
| 906 | 866 |
info.si_code = TARGET_FPE_FLTSUB; |
| 907 | 867 |
break; |
| 908 | 868 |
default: |
| 909 |
fprintf(stderr, "Unknown floating point exception " |
|
| 910 |
"(%02x)\n", env->error_code); |
|
| 911 |
if (loglevel) {
|
|
| 912 |
fprintf(logfile, "Unknown floating point exception " |
|
| 913 |
"(%02x)\n", env->error_code & 0xF); |
|
| 914 |
} |
|
| 869 |
EXCP_DUMP(env, "Unknown floating point exception (%02x)\n", |
|
| 870 |
env->error_code); |
|
| 871 |
break; |
|
| 915 | 872 |
} |
| 916 |
break; |
|
| 917 |
case EXCP_INVAL: |
|
| 918 |
fprintf(stderr, "Invalid instruction\n"); |
|
| 919 |
if (loglevel) |
|
| 920 |
fprintf(logfile, "Invalid instruction\n"); |
|
| 873 |
break; |
|
| 874 |
case POWERPC_EXCP_INVAL: |
|
| 875 |
EXCP_DUMP(env, "Invalid instruction\n"); |
|
| 921 | 876 |
info.si_signo = TARGET_SIGILL; |
| 922 | 877 |
info.si_errno = 0; |
| 923 | 878 |
switch (env->error_code & 0xF) {
|
| 924 |
case EXCP_INVAL_INVAL: |
|
| 879 |
case POWERPC_EXCP_INVAL_INVAL:
|
|
| 925 | 880 |
info.si_code = TARGET_ILL_ILLOPC; |
| 926 | 881 |
break; |
| 927 |
case EXCP_INVAL_LSWX: |
|
| 882 |
case POWERPC_EXCP_INVAL_LSWX:
|
|
| 928 | 883 |
info.si_code = TARGET_ILL_ILLOPN; |
| 929 | 884 |
break; |
| 930 |
case EXCP_INVAL_SPR: |
|
| 885 |
case POWERPC_EXCP_INVAL_SPR:
|
|
| 931 | 886 |
info.si_code = TARGET_ILL_PRVREG; |
| 932 | 887 |
break; |
| 933 |
case EXCP_INVAL_FP: |
|
| 888 |
case POWERPC_EXCP_INVAL_FP:
|
|
| 934 | 889 |
info.si_code = TARGET_ILL_COPROC; |
| 935 | 890 |
break; |
| 936 | 891 |
default: |
| 937 |
fprintf(stderr, "Unknown invalid operation (%02x)\n", |
|
| 938 |
env->error_code & 0xF); |
|
| 939 |
if (loglevel) {
|
|
| 940 |
fprintf(logfile, "Unknown invalid operation (%02x)\n", |
|
| 941 |
env->error_code & 0xF); |
|
| 942 |
} |
|
| 892 |
EXCP_DUMP(env, "Unknown invalid operation (%02x)\n", |
|
| 893 |
env->error_code & 0xF); |
|
| 943 | 894 |
info.si_code = TARGET_ILL_ILLADR; |
| 944 | 895 |
break; |
| 945 | 896 |
} |
| 946 | 897 |
break; |
| 947 |
case EXCP_PRIV: |
|
| 948 |
fprintf(stderr, "Privilege violation\n"); |
|
| 949 |
if (loglevel) |
|
| 950 |
fprintf(logfile, "Privilege violation\n"); |
|
| 898 |
case POWERPC_EXCP_PRIV: |
|
| 899 |
EXCP_DUMP(env, "Privilege violation\n"); |
|
| 951 | 900 |
info.si_signo = TARGET_SIGILL; |
| 952 | 901 |
info.si_errno = 0; |
| 953 | 902 |
switch (env->error_code & 0xF) {
|
| 954 |
case EXCP_PRIV_OPC: |
|
| 903 |
case POWERPC_EXCP_PRIV_OPC:
|
|
| 955 | 904 |
info.si_code = TARGET_ILL_PRVOPC; |
| 956 | 905 |
break; |
| 957 |
case EXCP_PRIV_REG: |
|
| 906 |
case POWERPC_EXCP_PRIV_REG:
|
|
| 958 | 907 |
info.si_code = TARGET_ILL_PRVREG; |
| 959 |
break; |
|
| 908 |
break;
|
|
| 960 | 909 |
default: |
| 961 |
fprintf(stderr, "Unknown privilege violation (%02x)\n",
|
|
| 962 |
env->error_code & 0xF); |
|
| 910 |
EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
|
|
| 911 |
env->error_code & 0xF);
|
|
| 963 | 912 |
info.si_code = TARGET_ILL_PRVOPC; |
| 964 | 913 |
break; |
| 965 | 914 |
} |
| 966 | 915 |
break; |
| 967 |
case EXCP_TRAP: |
|
| 968 |
fprintf(stderr, "Tried to call a TRAP\n"); |
|
| 969 |
if (loglevel) |
|
| 970 |
fprintf(logfile, "Tried to call a TRAP\n"); |
|
| 971 |
abort(); |
|
| 916 |
case POWERPC_EXCP_TRAP: |
|
| 917 |
cpu_abort(env, "Tried to call a TRAP\n"); |
|
| 918 |
break; |
|
| 972 | 919 |
default: |
| 973 | 920 |
/* Should not happen ! */ |
| 974 |
fprintf(stderr, "Unknown program exception (%02x)\n", |
|
| 975 |
env->error_code); |
|
| 976 |
if (loglevel) {
|
|
| 977 |
fprintf(logfile, "Unknwon program exception (%02x)\n", |
|
| 978 |
env->error_code); |
|
| 979 |
} |
|
| 980 |
abort(); |
|
| 921 |
cpu_abort(env, "Unknown program exception (%02x)\n", |
|
| 922 |
env->error_code); |
|
| 923 |
break; |
|
| 981 | 924 |
} |
| 982 | 925 |
info._sifields._sigfault._addr = env->nip - 4; |
| 983 | 926 |
queue_signal(info.si_signo, &info); |
| 984 | 927 |
break; |
| 985 |
case EXCP_NO_FP: |
|
| 986 |
fprintf(stderr, "No floating point allowed\n"); |
|
| 987 |
if (loglevel) |
|
| 988 |
fprintf(logfile, "No floating point allowed\n"); |
|
| 928 |
case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ |
|
| 929 |
EXCP_DUMP(env, "No floating point allowed\n"); |
|
| 989 | 930 |
info.si_signo = TARGET_SIGILL; |
| 990 | 931 |
info.si_errno = 0; |
| 991 | 932 |
info.si_code = TARGET_ILL_COPROC; |
| 992 | 933 |
info._sifields._sigfault._addr = env->nip - 4; |
| 993 | 934 |
queue_signal(info.si_signo, &info); |
| 994 | 935 |
break; |
| 995 |
case EXCP_DECR: |
|
| 996 |
/* Should not happen ! */ |
|
| 997 |
fprintf(stderr, "Decrementer exception\n"); |
|
| 998 |
if (loglevel) |
|
| 999 |
fprintf(logfile, "Decrementer exception\n"); |
|
| 1000 |
abort(); |
|
| 1001 |
case EXCP_TRACE: |
|
| 1002 |
/* Do nothing: we use this to trace execution */ |
|
| 1003 |
break; |
|
| 1004 |
case EXCP_FP_ASSIST: |
|
| 1005 |
/* Should not happen ! */ |
|
| 1006 |
fprintf(stderr, "Floating point assist exception\n"); |
|
| 1007 |
if (loglevel) |
|
| 1008 |
fprintf(logfile, "Floating point assist exception\n"); |
|
| 1009 |
abort(); |
|
| 1010 |
case EXCP_MTMSR: |
|
| 1011 |
/* We reloaded the msr, just go on */ |
|
| 1012 |
if (msr_pr == 0) {
|
|
| 1013 |
fprintf(stderr, "Tried to go into supervisor mode !\n"); |
|
| 1014 |
if (loglevel) |
|
| 1015 |
fprintf(logfile, "Tried to go into supervisor mode !\n"); |
|
| 1016 |
abort(); |
|
| 1017 |
} |
|
| 936 |
case POWERPC_EXCP_SYSCALL: /* System call exception */ |
|
| 937 |
cpu_abort(env, "Syscall exception while in user mode. " |
|
| 938 |
"Aborting\n"); |
|
| 1018 | 939 |
break; |
| 1019 |
case EXCP_BRANCH: |
|
| 1020 |
/* We stopped because of a jump... */ |
|
| 940 |
case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ |
|
| 941 |
EXCP_DUMP(env, "No APU instruction allowed\n"); |
|
| 942 |
info.si_signo = TARGET_SIGILL; |
|
| 943 |
info.si_errno = 0; |
|
| 944 |
info.si_code = TARGET_ILL_COPROC; |
|
| 945 |
info._sifields._sigfault._addr = env->nip - 4; |
|
| 946 |
queue_signal(info.si_signo, &info); |
|
| 1021 | 947 |
break; |
| 1022 |
case EXCP_INTERRUPT: |
|
| 1023 |
/* Don't know why this should ever happen... */ |
|
| 948 |
case POWERPC_EXCP_DECR: /* Decrementer exception */ |
|
| 949 |
cpu_abort(env, "Decrementer interrupt while in user mode. " |
|
| 950 |
"Aborting\n"); |
|
| 1024 | 951 |
break; |
| 1025 |
case EXCP_DEBUG: |
|
| 952 |
case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ |
|
| 953 |
cpu_abort(env, "Fix interval timer interrupt while in user mode. " |
|
| 954 |
"Aborting\n"); |
|
| 955 |
break; |
|
| 956 |
case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ |
|
| 957 |
cpu_abort(env, "Watchdog timer interrupt while in user mode. " |
|
| 958 |
"Aborting\n"); |
|
| 959 |
break; |
|
| 960 |
case POWERPC_EXCP_DTLB: /* Data TLB error */ |
|
| 961 |
cpu_abort(env, "Data TLB exception while in user mode. " |
|
| 962 |
"Aborting\n"); |
|
| 963 |
break; |
|
| 964 |
case POWERPC_EXCP_ITLB: /* Instruction TLB error */ |
|
| 965 |
cpu_abort(env, "Instruction TLB exception while in user mode. " |
|
| 966 |
"Aborting\n"); |
|
| 967 |
break; |
|
| 968 |
case POWERPC_EXCP_DEBUG: /* Debug interrupt */ |
|
| 969 |
/* XXX: check this */ |
|
| 1026 | 970 |
{
|
| 1027 | 971 |
int sig; |
| 1028 | 972 |
|
| 1029 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
|
| 1030 |
if (sig) |
|
| 1031 |
{
|
|
| 973 |
sig = gdb_handlesig(env, TARGET_SIGTRAP); |
|
| 974 |
if (sig) {
|
|
| 1032 | 975 |
info.si_signo = sig; |
| 1033 | 976 |
info.si_errno = 0; |
| 1034 | 977 |
info.si_code = TARGET_TRAP_BRKPT; |
| ... | ... | |
| 1036 | 979 |
} |
| 1037 | 980 |
} |
| 1038 | 981 |
break; |
| 1039 |
default: |
|
| 1040 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", |
|
| 1041 |
trapnr); |
|
| 1042 |
if (loglevel) {
|
|
| 1043 |
fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - " |
|
| 1044 |
"0x%02x - aborting\n", trapnr, env->error_code); |
|
| 982 |
#if defined(TARGET_PPCEMB) |
|
| 983 |
case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */ |
|
| 984 |
EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n"); |
|
| 985 |
info.si_signo = TARGET_SIGILL; |
|
| 986 |
info.si_errno = 0; |
|
| 987 |
info.si_code = TARGET_ILL_COPROC; |
|
| 988 |
info._sifields._sigfault._addr = env->nip - 4; |
|
| 989 |
queue_signal(info.si_signo, &info); |
|
| 990 |
break; |
|
| 991 |
case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */ |
|
| 992 |
cpu_abort(env, "Embedded floating-point data IRQ not handled\n"); |
|
| 993 |
break; |
|
| 994 |
case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ |
|
| 995 |
cpu_abort(env, "Embedded floating-point round IRQ not handled\n"); |
|
| 996 |
break; |
|
| 997 |
case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ |
|
| 998 |
cpu_abort(env, "Performance monitor exception not handled\n"); |
|
| 999 |
break; |
|
| 1000 |
case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ |
|
| 1001 |
cpu_abort(env, "Doorbell interrupt while in user mode. " |
|
| 1002 |
"Aborting\n"); |
|
| 1003 |
break; |
|
| 1004 |
case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ |
|
| 1005 |
cpu_abort(env, "Doorbell critical interrupt while in user mode. " |
|
| 1006 |
"Aborting\n"); |
|
| 1007 |
break; |
|
| 1008 |
case POWERPC_EXCP_RESET: /* System reset exception */ |
|
| 1009 |
cpu_abort(env, "Reset interrupt while in user mode. " |
|
| 1010 |
"Aborting\n"); |
|
| 1011 |
break; |
|
| 1012 |
#endif /* defined(TARGET_PPCEMB) */ |
|
| 1013 |
#if defined(TARGET_PPC64) /* PowerPC 64 */ |
|
| 1014 |
case POWERPC_EXCP_DSEG: /* Data segment exception */ |
|
| 1015 |
cpu_abort(env, "Data segment exception while in user mode. " |
|
| 1016 |
"Aborting\n"); |
|
| 1017 |
break; |
|
| 1018 |
case POWERPC_EXCP_ISEG: /* Instruction segment exception */ |
|
| 1019 |
cpu_abort(env, "Instruction segment exception " |
|
| 1020 |
"while in user mode. Aborting\n"); |
|
| 1021 |
break; |
|
| 1022 |
#endif /* defined(TARGET_PPC64) */ |
|
| 1023 |
#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */ |
|
| 1024 |
case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ |
|
| 1025 |
cpu_abort(env, "Hypervisor decrementer interrupt " |
|
| 1026 |
"while in user mode. Aborting\n"); |
|
| 1027 |
break; |
|
| 1028 |
#endif /* defined(TARGET_PPC64H) */ |
|
| 1029 |
case POWERPC_EXCP_TRACE: /* Trace exception */ |
|
| 1030 |
/* Nothing to do: |
|
| 1031 |
* we use this exception to emulate step-by-step execution mode. |
|
| 1032 |
*/ |
|
| 1033 |
break; |
|
| 1034 |
#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */ |
|
| 1035 |
case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ |
|
| 1036 |
cpu_abort(env, "Hypervisor data storage exception " |
|
| 1037 |
"while in user mode. Aborting\n"); |
|
| 1038 |
break; |
|
| 1039 |
case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ |
|
| 1040 |
cpu_abort(env, "Hypervisor instruction storage exception " |
|
| 1041 |
"while in user mode. Aborting\n"); |
|
| 1042 |
break; |
|
| 1043 |
case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ |
|
| 1044 |
cpu_abort(env, "Hypervisor data segment exception " |
|
| 1045 |
"while in user mode. Aborting\n"); |
|
| 1046 |
break; |
|
| 1047 |
case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ |
|
| 1048 |
cpu_abort(env, "Hypervisor instruction segment exception " |
|
| 1049 |
"while in user mode. Aborting\n"); |
|
| 1050 |
break; |
|
| 1051 |
#endif /* defined(TARGET_PPC64H) */ |
|
| 1052 |
case POWERPC_EXCP_VPU: /* Vector unavailable exception */ |
|
| 1053 |
EXCP_DUMP(env, "No Altivec instructions allowed\n"); |
|
| 1054 |
info.si_signo = TARGET_SIGILL; |
|
| 1055 |
info.si_errno = 0; |
|
| 1056 |
info.si_code = TARGET_ILL_COPROC; |
|
| 1057 |
info._sifields._sigfault._addr = env->nip - 4; |
|
| 1058 |
queue_signal(info.si_signo, &info); |
|
| 1059 |
break; |
|
| 1060 |
case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */ |
|
| 1061 |
cpu_abort(env, "Programable interval timer interrupt " |
|
| 1062 |
"while in user mode. Aborting\n"); |
|
| 1063 |
break; |
|
| 1064 |
case POWERPC_EXCP_IO: /* IO error exception */ |
|
| 1065 |
cpu_abort(env, "IO error exception while in user mode. " |
|
| 1066 |
"Aborting\n"); |
|
| 1067 |
break; |
|
| 1068 |
case POWERPC_EXCP_RUNM: /* Run mode exception */ |
|
| 1069 |
cpu_abort(env, "Run mode exception while in user mode. " |
|
| 1070 |
"Aborting\n"); |
|
| 1071 |
break; |
|
| 1072 |
case POWERPC_EXCP_EMUL: /* Emulation trap exception */ |
|
| 1073 |
cpu_abort(env, "Emulation trap exception not handled\n"); |
|
| 1074 |
break; |
|
| 1075 |
case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ |
|
| 1076 |
cpu_abort(env, "Instruction fetch TLB exception " |
|
| 1077 |
"while in user-mode. Aborting"); |
|
| 1078 |
break; |
|
| 1079 |
case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ |
|
| 1080 |
cpu_abort(env, "Data load TLB exception while in user-mode. " |
|
| 1081 |
"Aborting"); |
|
| 1082 |
break; |
|
| 1083 |
case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ |
|
| 1084 |
cpu_abort(env, "Data store TLB exception while in user-mode. " |
|
| 1085 |
"Aborting"); |
|
| 1086 |
break; |
|
| 1087 |
case POWERPC_EXCP_FPA: /* Floating-point assist exception */ |
|
| 1088 |
cpu_abort(env, "Floating-point assist exception not handled\n"); |
|
| 1089 |
break; |
|
| 1090 |
case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ |
|
| 1091 |
cpu_abort(env, "Instruction address breakpoint exception " |
|
| 1092 |
"not handled\n"); |
|
| 1093 |
break; |
|
| 1094 |
case POWERPC_EXCP_SMI: /* System management interrupt */ |
|
| 1095 |
cpu_abort(env, "System management interrupt while in user mode. " |
|
| 1096 |
"Aborting\n"); |
|
| 1097 |
break; |
|
| 1098 |
case POWERPC_EXCP_THERM: /* Thermal interrupt */ |
|
| 1099 |
cpu_abort(env, "Thermal interrupt interrupt while in user mode. " |
|
| 1100 |
"Aborting\n"); |
|
| 1101 |
break; |
|
| 1102 |
case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ |
|
| 1103 |
cpu_abort(env, "Performance monitor exception not handled\n"); |
|
| 1104 |
break; |
|
| 1105 |
case POWERPC_EXCP_VPUA: /* Vector assist exception */ |
|
| 1106 |
cpu_abort(env, "Vector assist exception not handled\n"); |
|
| 1107 |
break; |
|
| 1108 |
case POWERPC_EXCP_SOFTP: /* Soft patch exception */ |
|
| 1109 |
cpu_abort(env, "Soft patch exception not handled\n"); |
|
| 1110 |
break; |
|
| 1111 |
case POWERPC_EXCP_MAINT: /* Maintenance exception */ |
|
| 1112 |
cpu_abort(env, "Maintenance exception while in user mode. " |
|
| 1113 |
"Aborting\n"); |
|
| 1114 |
break; |
|
| 1115 |
case POWERPC_EXCP_STOP: /* stop translation */ |
|
| 1116 |
/* We did invalidate the instruction cache. Go on */ |
|
| 1117 |
break; |
|
| 1118 |
case POWERPC_EXCP_BRANCH: /* branch instruction: */ |
|
| 1119 |
/* We just stopped because of a branch. Go on */ |
|
| 1120 |
break; |
|
| 1121 |
case POWERPC_EXCP_SYSCALL_USER: |
|
| 1122 |
/* system call in user-mode emulation */ |
|
| 1123 |
/* WARNING: |
|
| 1124 |
* PPC ABI uses overflow flag in cr0 to signal an error |
|
| 1125 |
* in syscalls. |
|
| 1126 |
*/ |
|
| 1127 |
#if 0 |
|
| 1128 |
printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
|
|
| 1129 |
env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); |
|
| 1130 |
#endif |
|
| 1131 |
env->crf[0] &= ~0x1; |
|
| 1132 |
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
|
| 1133 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 1134 |
env->gpr[8]); |
|
| 1135 |
if (ret > (uint32_t)(-515)) {
|
|
| 1136 |
env->crf[0] |= 0x1; |
|
| 1137 |
ret = -ret; |
|
| 1045 | 1138 |
} |
| 1046 |
abort(); |
|
| 1139 |
env->gpr[3] = ret; |
|
| 1140 |
#if 0 |
|
| 1141 |
printf("syscall returned 0x%08x (%d)\n", ret, ret);
|
|
| 1142 |
#endif |
|
| 1143 |
break; |
|
| 1144 |
default: |
|
| 1145 |
cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr); |
|
| 1146 |
break; |
|
| 1047 | 1147 |
} |
| 1048 | 1148 |
process_pending_signals(env); |
| 1049 | 1149 |
} |
| b/target-ppc/cpu.h | ||
|---|---|---|
| 149 | 149 |
}; |
| 150 | 150 |
|
| 151 | 151 |
/*****************************************************************************/ |
| 152 |
/* Exception vectors definitions */ |
|
| 153 |
enum {
|
|
| 154 |
POWERPC_EXCP_NONE = -1, |
|
| 155 |
/* The 64 first entries are used by the PowerPC embedded specification */ |
|
| 156 |
POWERPC_EXCP_CRITICAL = 0, /* Critical input */ |
|
| 157 |
POWERPC_EXCP_MCHECK = 1, /* Machine check exception */ |
|
| 158 |
POWERPC_EXCP_DSI = 2, /* Data storage exception */ |
|
| 159 |
POWERPC_EXCP_ISI = 3, /* Instruction storage exception */ |
|
| 160 |
POWERPC_EXCP_EXTERNAL = 4, /* External input */ |
|
| 161 |
POWERPC_EXCP_ALIGN = 5, /* Alignment exception */ |
|
| 162 |
POWERPC_EXCP_PROGRAM = 6, /* Program exception */ |
|
| 163 |
POWERPC_EXCP_FPU = 7, /* Floating-point unavailable exception */ |
|
| 164 |
POWERPC_EXCP_SYSCALL = 8, /* System call exception */ |
|
| 165 |
POWERPC_EXCP_APU = 9, /* Auxiliary processor unavailable */ |
|
| 166 |
POWERPC_EXCP_DECR = 10, /* Decrementer exception */ |
|
| 167 |
POWERPC_EXCP_FIT = 11, /* Fixed-interval timer interrupt */ |
|
| 168 |
POWERPC_EXCP_WDT = 12, /* Watchdog timer interrupt */ |
|
| 169 |
POWERPC_EXCP_DTLB = 13, /* Data TLB error */ |
|
| 170 |
POWERPC_EXCP_ITLB = 14, /* Instruction TLB error */ |
|
| 171 |
POWERPC_EXCP_DEBUG = 15, /* Debug interrupt */ |
|
| 172 |
/* Vectors 16 to 31 are reserved */ |
|
| 173 |
#if defined(TARGET_PPCEMB) |
|
| 174 |
POWERPC_EXCP_SPEU = 32, /* SPE/embedded floating-point unavailable */ |
|
| 175 |
POWERPC_EXCP_EFPDI = 33, /* Embedded floating-point data interrupt */ |
|
| 176 |
POWERPC_EXCP_EFPRI = 34, /* Embedded floating-point round interrupt */ |
|
| 177 |
POWERPC_EXCP_EPERFM = 35, /* Embedded performance monitor interrupt */ |
|
| 178 |
POWERPC_EXCP_DOORI = 36, /* Embedded doorbell interrupt */ |
|
| 179 |
POWERPC_EXCP_DOORCI = 37, /* Embedded doorbell critical interrupt */ |
|
| 180 |
#endif /* defined(TARGET_PPCEMB) */ |
|
| 181 |
/* Vectors 38 to 63 are reserved */ |
|
| 182 |
/* Exceptions defined in the PowerPC server specification */ |
|
| 183 |
POWERPC_EXCP_RESET = 64, /* System reset exception */ |
|
| 184 |
#if defined(TARGET_PPC64) /* PowerPC 64 */ |
|
| 185 |
POWERPC_EXCP_DSEG = 65, /* Data segment exception */ |
|
| 186 |
POWERPC_EXCP_ISEG = 66, /* Instruction segment exception */ |
|
| 187 |
#endif /* defined(TARGET_PPC64) */ |
|
| 188 |
#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */ |
|
| 189 |
POWERPC_EXCP_HDECR = 67, /* Hypervisor decrementer exception */ |
|
| 190 |
#endif /* defined(TARGET_PPC64H) */ |
|
| 191 |
POWERPC_EXCP_TRACE = 68, /* Trace exception */ |
|
| 192 |
#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */ |
|
| 193 |
POWERPC_EXCP_HDSI = 69, /* Hypervisor data storage exception */ |
|
| 194 |
POWERPC_EXCP_HISI = 70, /* Hypervisor instruction storage exception */ |
|
| 195 |
POWERPC_EXCP_HDSEG = 71, /* Hypervisor data segment exception */ |
|
| 196 |
POWERPC_EXCP_HISEG = 72, /* Hypervisor instruction segment exception */ |
|
| 197 |
#endif /* defined(TARGET_PPC64H) */ |
|
| 198 |
POWERPC_EXCP_VPU = 73, /* Vector unavailable exception */ |
|
| 199 |
/* 40x specific exceptions */ |
|
| 200 |
POWERPC_EXCP_PIT = 74, /* Programmable interval timer interrupt */ |
|
| 201 |
/* 601 specific exceptions */ |
|
| 202 |
POWERPC_EXCP_IO = 75, /* IO error exception */ |
|
| 203 |
POWERPC_EXCP_RUNM = 76, /* Run mode exception */ |
|
| 204 |
/* 602 specific exceptions */ |
|
| 205 |
POWERPC_EXCP_EMUL = 77, /* Emulation trap exception */ |
|
| 206 |
/* 602/603 specific exceptions */ |
|
| 207 |
POWERPC_EXCP_IFTLB = 78, /* Instruction fetch TLB error */ |
|
| 208 |
POWERPC_EXCP_DLTLB = 79, /* Data load TLB miss */ |
|
| 209 |
POWERPC_EXCP_DSTLB = 80, /* Data store TLB miss */ |
|
| 210 |
/* Exceptions available on most PowerPC */ |
|
| 211 |
POWERPC_EXCP_FPA = 81, /* Floating-point assist exception */ |
|
| 212 |
POWERPC_EXCP_IABR = 82, /* Instruction address breakpoint */ |
|
| 213 |
POWERPC_EXCP_SMI = 83, /* System management interrupt */ |
|
| 214 |
POWERPC_EXCP_PERFM = 84, /* Embedded performance monitor interrupt */ |
|
| 215 |
/* 7xx/74xx specific exceptions */ |
|
| 216 |
POWERPC_EXCP_THERM = 85, /* Thermal interrupt */ |
|
| 217 |
/* 74xx specific exceptions */ |
|
| 218 |
POWERPC_EXCP_VPUA = 86, /* Vector assist exception */ |
|
| 219 |
/* 970FX specific exceptions */ |
|
| 220 |
POWERPC_EXCP_SOFTP = 87, /* Soft patch exception */ |
|
| 221 |
POWERPC_EXCP_MAINT = 88, /* Maintenance exception */ |
|
| 222 |
/* EOL */ |
|
| 223 |
POWERPC_EXCP_NB = 96, |
|
| 224 |
/* Qemu exceptions: used internally during code translation */ |
|
| 225 |
POWERPC_EXCP_STOP = 0x200, /* stop translation */ |
|
| 226 |
POWERPC_EXCP_BRANCH = 0x201, /* branch instruction */ |
|
| 227 |
/* Qemu exceptions: special cases we want to stop translation */ |
|
| 228 |
POWERPC_EXCP_SYNC = 0x202, /* context synchronizing instruction */ |
|
| 229 |
POWERPC_EXCP_SYSCALL_USER = 0x203, /* System call in user mode only */ |
|
| 230 |
}; |
|
| 231 |
|
|
| 232 |
|
|
| 233 |
/* Exceptions error codes */ |
|
| 234 |
enum {
|
|
| 235 |
/* Exception subtypes for POWERPC_EXCP_ALIGN */ |
|
| 236 |
POWERPC_EXCP_ALIGN_FP = 0x01, /* FP alignment exception */ |
|
| 237 |
POWERPC_EXCP_ALIGN_LST = 0x02, /* Unaligned mult/extern load/store */ |
|
| 238 |
POWERPC_EXCP_ALIGN_LE = 0x03, /* Multiple little-endian access */ |
|
| 239 |
POWERPC_EXCP_ALIGN_PROT = 0x04, /* Access cross protection boundary */ |
|
| 240 |
POWERPC_EXCP_ALIGN_BAT = 0x05, /* Access cross a BAT/seg boundary */ |
|
| 241 |
POWERPC_EXCP_ALIGN_CACHE = 0x06, /* Impossible dcbz access */ |
|
| 242 |
/* Exception subtypes for POWERPC_EXCP_PROGRAM */ |
|
| 243 |
/* FP exceptions */ |
|
| 244 |
POWERPC_EXCP_FP = 0x10, |
|
| 245 |
POWERPC_EXCP_FP_OX = 0x01, /* FP overflow */ |
|
| 246 |
POWERPC_EXCP_FP_UX = 0x02, /* FP underflow */ |
|
| 247 |
POWERPC_EXCP_FP_ZX = 0x03, /* FP divide by zero */ |
|
| 248 |
POWERPC_EXCP_FP_XX = 0x04, /* FP inexact */ |
|
| 249 |
POWERPC_EXCP_FP_VXNAN = 0x05, /* FP invalid SNaN op */ |
|
| 250 |
POWERPC_EXCP_FP_VXISI = 0x06, /* FP invalid infinite subtraction */ |
|
| 251 |
POWERPC_EXCP_FP_VXIDI = 0x07, /* FP invalid infinite divide */ |
|
| 252 |
POWERPC_EXCP_FP_VXZDZ = 0x08, /* FP invalid zero divide */ |
|
| 253 |
POWERPC_EXCP_FP_VXIMZ = 0x09, /* FP invalid infinite * zero */ |
|
| 254 |
POWERPC_EXCP_FP_VXVC = 0x0A, /* FP invalid compare */ |
|
| 255 |
POWERPC_EXCP_FP_VXSOFT = 0x0B, /* FP invalid operation */ |
|
| 256 |
POWERPC_EXCP_FP_VXSQRT = 0x0C, /* FP invalid square root */ |
|
| 257 |
POWERPC_EXCP_FP_VXCVI = 0x0D, /* FP invalid integer conversion */ |
|
| 258 |
/* Invalid instruction */ |
|
| 259 |
POWERPC_EXCP_INVAL = 0x20, |
|
| 260 |
POWERPC_EXCP_INVAL_INVAL = 0x01, /* Invalid instruction */ |
|
| 261 |
POWERPC_EXCP_INVAL_LSWX = 0x02, /* Invalid lswx instruction */ |
|
| 262 |
POWERPC_EXCP_INVAL_SPR = 0x03, /* Invalid SPR access */ |
|
| 263 |
POWERPC_EXCP_INVAL_FP = 0x04, /* Unimplemented mandatory fp instr */ |
|
| 264 |
/* Privileged instruction */ |
|
| 265 |
POWERPC_EXCP_PRIV = 0x30, |
|
| 266 |
POWERPC_EXCP_PRIV_OPC = 0x01, /* Privileged operation exception */ |
|
| 267 |
POWERPC_EXCP_PRIV_REG = 0x02, /* Privileged register exception */ |
|
| 268 |
/* Trap */ |
|
| 269 |
POWERPC_EXCP_TRAP = 0x40, |
|
| 270 |
}; |
|
| 271 |
|
|
| 272 |
/*****************************************************************************/ |
|
| 152 | 273 |
/* Input pins model */ |
| 153 | 274 |
enum {
|
| 154 | 275 |
PPC_FLAGS_INPUT_UNKNOWN = 0, |
| ... | ... | |
| 411 | 532 |
*/ |
| 412 | 533 |
uint32_t irq_input_state; |
| 413 | 534 |
void **irq_inputs; |
| 535 |
/* Exception vectors */ |
|
| 536 |
target_ulong excp_vectors[POWERPC_EXCP_NB]; |
|
| 537 |
target_ulong excp_prefix; |
|
| 538 |
target_ulong ivor_mask; |
|
| 539 |
target_ulong ivpr_mask; |
|
| 414 | 540 |
#endif |
| 415 | 541 |
|
| 416 | 542 |
/* Those resources are used only during code translation */ |
| ... | ... | |
| 634 | 760 |
#define SPR_BOOKE_IAC1 (0x138) |
| 635 | 761 |
#define SPR_HRMOR (0x139) |
| 636 | 762 |
#define SPR_BOOKE_IAC2 (0x139) |
| 637 |
#define SPR_HSSR0 (0x13A)
|
|
| 763 |
#define SPR_HSRR0 (0x13A)
|
|
| 638 | 764 |
#define SPR_BOOKE_IAC3 (0x13A) |
| 639 |
#define SPR_HSSR1 (0x13B)
|
|
| 765 |
#define SPR_HSRR1 (0x13B)
|
|
| 640 | 766 |
#define SPR_BOOKE_IAC4 (0x13B) |
| 641 | 767 |
#define SPR_LPCR (0x13C) |
| 642 | 768 |
#define SPR_BOOKE_DAC1 (0x13C) |
| ... | ... | |
| 948 | 1074 |
ACCESS_CACHE = 0x60, /* Cache manipulation */ |
| 949 | 1075 |
}; |
| 950 | 1076 |
|
| 951 |
/*****************************************************************************/ |
|
| 952 |
/* Exceptions */ |
|
| 953 |
#define EXCP_NONE -1 |
|
| 954 |
/* PowerPC hardware exceptions : exception vectors defined in PowerPC book 3 */ |
|
| 955 |
#define EXCP_RESET 0x0100 /* System reset */ |
|
| 956 |
#define EXCP_MACHINE_CHECK 0x0200 /* Machine check exception */ |
|
| 957 |
#define EXCP_DSI 0x0300 /* Data storage exception */ |
|
| 958 |
#define EXCP_DSEG 0x0380 /* Data segment exception */ |
|
| 959 |
#define EXCP_ISI 0x0400 /* Instruction storage exception */ |
|
| 960 |
#define EXCP_ISEG 0x0480 /* Instruction segment exception */ |
|
| 961 |
#define EXCP_EXTERNAL 0x0500 /* External interruption */ |
|
| 962 |
#define EXCP_ALIGN 0x0600 /* Alignment exception */ |
|
| 963 |
#define EXCP_PROGRAM 0x0700 /* Program exception */ |
|
| 964 |
#define EXCP_NO_FP 0x0800 /* Floating point unavailable exception */ |
|
| 965 |
#define EXCP_DECR 0x0900 /* Decrementer exception */ |
|
| 966 |
#define EXCP_HDECR 0x0980 /* Hypervisor decrementer exception */ |
|
| 967 |
#define EXCP_SYSCALL 0x0C00 /* System call */ |
|
| 968 |
#define EXCP_TRACE 0x0D00 /* Trace exception */ |
|
| 969 |
#define EXCP_PERF 0x0F00 /* Performance monitor exception */ |
|
| 970 |
/* Exceptions defined in PowerPC 32 bits programming environment manual */ |
|
| 971 |
#define EXCP_FP_ASSIST 0x0E00 /* Floating-point assist */ |
|
| 972 |
/* Implementation specific exceptions */ |
|
| 973 |
/* 40x exceptions */ |
|
| 974 |
#define EXCP_40x_PIT 0x1000 /* Programmable interval timer interrupt */ |
|
| 975 |
#define EXCP_40x_FIT 0x1010 /* Fixed interval timer interrupt */ |
|
| 976 |
#define EXCP_40x_WATCHDOG 0x1020 /* Watchdog timer exception */ |
|
| 977 |
#define EXCP_40x_DTLBMISS 0x1100 /* Data TLB miss exception */ |
|
| 978 |
#define EXCP_40x_ITLBMISS 0x1200 /* Instruction TLB miss exception */ |
|
| 979 |
#define EXCP_40x_DEBUG 0x2000 /* Debug exception */ |
|
| 980 |
/* 405 specific exceptions */ |
|
| 981 |
#define EXCP_405_APU 0x0F20 /* APU unavailable exception */ |
|
| 982 |
/* 440 specific exceptions */ |
|
| 983 |
#define EXCP_440_CRIT 0x0100 /* Critical interrupt */ |
|
| 984 |
#define EXCP_440_SPEU 0x1600 /* SPE unavailable exception */ |
|
| 985 |
#define EXCP_440_SPED 0x1700 /* SPE floating-point data exception */ |
|
| 986 |
#define EXCP_440_SPER 0x1800 /* SPE floating-point round exception */ |
|
| 987 |
/* TLB assist exceptions (602/603) */ |
|
| 988 |
#define EXCP_I_TLBMISS 0x1000 /* Instruction TLB miss */ |
|
| 989 |
#define EXCP_DL_TLBMISS 0x1100 /* Data load TLB miss */ |
|
| 990 |
#define EXCP_DS_TLBMISS 0x1200 /* Data store TLB miss */ |
|
| 991 |
/* Breakpoint exceptions (602/603/604/620/740/745/750/755...) */ |
|
| 992 |
#define EXCP_IABR 0x1300 /* Instruction address breakpoint */ |
|
| 993 |
#define EXCP_SMI 0x1400 /* System management interrupt */ |
|
| 994 |
/* Altivec related exceptions */ |
|
| 995 |
#define EXCP_VPU 0x0F20 /* VPU unavailable exception */ |
|
| 996 |
/* 601 specific exceptions */ |
|
| 997 |
#define EXCP_601_IO 0x0A00 /* IO error exception */ |
|
| 998 |
#define EXCP_601_RUNM 0x2000 /* Run mode exception */ |
|
| 999 |
/* 602 specific exceptions */ |
|
| 1000 |
#define EXCP_602_WATCHDOG 0x1500 /* Watchdog exception */ |
|
| 1001 |
#define EXCP_602_EMUL 0x1600 /* Emulation trap exception */ |
|
| 1002 |
/* G2 specific exceptions */ |
|
| 1003 |
#define EXCP_G2_CRIT 0x0A00 /* Critical interrupt */ |
|
| 1004 |
/* MPC740/745/750 & IBM 750 specific exceptions */ |
|
| 1005 |
#define EXCP_THRM 0x1700 /* Thermal management interrupt */ |
|
| 1006 |
/* 74xx specific exceptions */ |
|
| 1007 |
#define EXCP_74xx_VPUA 0x1600 /* VPU assist exception */ |
|
| 1008 |
/* 970FX specific exceptions */ |
|
| 1009 |
#define EXCP_970_SOFTP 0x1500 /* Soft patch exception */ |
|
| 1010 |
#define EXCP_970_MAINT 0x1600 /* Maintenance exception */ |
|
| 1011 |
#define EXCP_970_THRM 0x1800 /* Thermal exception */ |
|
| 1012 |
#define EXCP_970_VPUA 0x1700 /* VPU assist exception */ |
|
| 1013 |
/* SPE related exceptions */ |
|
| 1014 |
#define EXCP_NO_SPE 0x0F20 /* SPE unavailable exception */ |
|
| 1015 |
/* End of exception vectors area */ |
|
| 1016 |
#define EXCP_PPC_MAX 0x4000 |
|
| 1017 |
/* Qemu exceptions: special cases we want to stop translation */ |
|
| 1018 |
#define EXCP_MTMSR 0x11000 /* mtmsr instruction: */ |
|
| 1019 |
/* may change privilege level */ |
|
| 1020 |
#define EXCP_BRANCH 0x11001 /* branch instruction */ |
|
| 1021 |
#define EXCP_SYSCALL_USER 0x12000 /* System call in user mode only */ |
|
| 1022 |
|
|
| 1023 |
/* Error codes */ |
|
| 1024 |
enum {
|
|
| 1025 |
/* Exception subtypes for EXCP_ALIGN */ |
|
| 1026 |
EXCP_ALIGN_FP = 0x01, /* FP alignment exception */ |
|
| 1027 |
EXCP_ALIGN_LST = 0x02, /* Unaligned mult/extern load/store */ |
|
| 1028 |
EXCP_ALIGN_LE = 0x03, /* Multiple little-endian access */ |
|
| 1029 |
EXCP_ALIGN_PROT = 0x04, /* Access cross protection boundary */ |
|
| 1030 |
EXCP_ALIGN_BAT = 0x05, /* Access cross a BAT/seg boundary */ |
|
| 1031 |
EXCP_ALIGN_CACHE = 0x06, /* Impossible dcbz access */ |
|
| 1032 |
/* Exception subtypes for EXCP_PROGRAM */ |
|
| 1033 |
/* FP exceptions */ |
|
| 1034 |
EXCP_FP = 0x10, |
|
| 1035 |
EXCP_FP_OX = 0x01, /* FP overflow */ |
|
| 1036 |
EXCP_FP_UX = 0x02, /* FP underflow */ |
|
| 1037 |
EXCP_FP_ZX = 0x03, /* FP divide by zero */ |
|
| 1038 |
EXCP_FP_XX = 0x04, /* FP inexact */ |
|
| 1039 |
EXCP_FP_VXNAN = 0x05, /* FP invalid SNaN op */ |
|
| 1040 |
EXCP_FP_VXISI = 0x06, /* FP invalid infinite subtraction */ |
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