Revision e1833e1f darwin-user/main.c
| 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 |
} |
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