]>
Commit | Line | Data |
---|---|---|
31e31b8a | 1 | /* |
93ac68bc | 2 | * qemu user main |
5fafdf24 | 3 | * |
68d0f70e | 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
31e31b8a FB |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
8167ee88 | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
31e31b8a | 18 | */ |
d39594e9 | 19 | #include "qemu/osdep.h" |
67a1de0d | 20 | #include "qemu-version.h" |
edf8e2af | 21 | #include <sys/syscall.h> |
703e0e89 | 22 | #include <sys/resource.h> |
31e31b8a | 23 | |
daa76aa4 | 24 | #include "qapi/error.h" |
3ef693a0 | 25 | #include "qemu.h" |
f348b6d1 | 26 | #include "qemu/path.h" |
6533dd6e | 27 | #include "qemu/config-file.h" |
f348b6d1 VB |
28 | #include "qemu/cutils.h" |
29 | #include "qemu/help_option.h" | |
2b41f10e | 30 | #include "cpu.h" |
63c91552 | 31 | #include "exec/exec-all.h" |
9002ec79 | 32 | #include "tcg.h" |
1de7afc9 PB |
33 | #include "qemu/timer.h" |
34 | #include "qemu/envlist.h" | |
d8fd2954 | 35 | #include "elf.h" |
508127e2 | 36 | #include "exec/log.h" |
6533dd6e LV |
37 | #include "trace/control.h" |
38 | #include "glib-compat.h" | |
04a6dfeb | 39 | |
d088d664 AJ |
40 | char *exec_path; |
41 | ||
1b530a6d | 42 | int singlestep; |
8cb76755 SW |
43 | static const char *filename; |
44 | static const char *argv0; | |
45 | static int gdbstub_port; | |
46 | static envlist_t *envlist; | |
51fb256a | 47 | static const char *cpu_model; |
379f6698 PB |
48 | unsigned long mmap_min_addr; |
49 | unsigned long guest_base; | |
50 | int have_guest_base; | |
120a9848 PB |
51 | |
52 | #define EXCP_DUMP(env, fmt, ...) \ | |
53 | do { \ | |
54 | CPUState *cs = ENV_GET_CPU(env); \ | |
55 | fprintf(stderr, fmt , ## __VA_ARGS__); \ | |
56 | cpu_dump_state(cs, stderr, fprintf, 0); \ | |
57 | if (qemu_log_separate()) { \ | |
58 | qemu_log(fmt, ## __VA_ARGS__); \ | |
59 | log_cpu_state(cs, 0); \ | |
60 | } \ | |
61 | } while (0) | |
62 | ||
288e65b9 AG |
63 | #if (TARGET_LONG_BITS == 32) && (HOST_LONG_BITS == 64) |
64 | /* | |
65 | * When running 32-on-64 we should make sure we can fit all of the possible | |
66 | * guest address space into a contiguous chunk of virtual host memory. | |
67 | * | |
68 | * This way we will never overlap with our own libraries or binaries or stack | |
69 | * or anything else that QEMU maps. | |
70 | */ | |
a0a839b6 MV |
71 | # if defined(TARGET_MIPS) || defined(TARGET_NIOS2) |
72 | /* | |
73 | * MIPS only supports 31 bits of virtual address space for user space. | |
74 | * Nios2 also only supports 31 bits. | |
75 | */ | |
314992b1 AG |
76 | unsigned long reserved_va = 0x77000000; |
77 | # else | |
288e65b9 | 78 | unsigned long reserved_va = 0xf7000000; |
314992b1 | 79 | # endif |
288e65b9 | 80 | #else |
68a1c816 | 81 | unsigned long reserved_va; |
379f6698 | 82 | #endif |
1b530a6d | 83 | |
d03f9c32 | 84 | static void usage(int exitcode); |
fc9c5412 | 85 | |
7ee2822c | 86 | static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX; |
e586822a | 87 | const char *qemu_uname_release; |
586314f2 | 88 | |
9de5e440 FB |
89 | /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so |
90 | we allocate a bigger stack. Need a better solution, for example | |
91 | by remapping the process stack directly at the right place */ | |
703e0e89 | 92 | unsigned long guest_stack_size = 8 * 1024 * 1024UL; |
31e31b8a FB |
93 | |
94 | void gemu_log(const char *fmt, ...) | |
95 | { | |
96 | va_list ap; | |
97 | ||
98 | va_start(ap, fmt); | |
99 | vfprintf(stderr, fmt, ap); | |
100 | va_end(ap); | |
101 | } | |
102 | ||
8fcd3692 | 103 | #if defined(TARGET_I386) |
05390248 | 104 | int cpu_get_pic_interrupt(CPUX86State *env) |
92ccca6a FB |
105 | { |
106 | return -1; | |
107 | } | |
8fcd3692 | 108 | #endif |
92ccca6a | 109 | |
d5975363 PB |
110 | /***********************************************************/ |
111 | /* Helper routines for implementing atomic operations. */ | |
112 | ||
d5975363 PB |
113 | /* Make sure everything is in a consistent state for calling fork(). */ |
114 | void fork_start(void) | |
115 | { | |
267f685b | 116 | cpu_list_lock(); |
677ef623 | 117 | qemu_mutex_lock(&tcg_ctx.tb_ctx.tb_lock); |
d032d1b4 | 118 | mmap_fork_start(); |
d5975363 PB |
119 | } |
120 | ||
121 | void fork_end(int child) | |
122 | { | |
d032d1b4 | 123 | mmap_fork_end(child); |
d5975363 | 124 | if (child) { |
bdc44640 | 125 | CPUState *cpu, *next_cpu; |
d5975363 PB |
126 | /* Child processes created by fork() only have a single thread. |
127 | Discard information about the parent threads. */ | |
bdc44640 AF |
128 | CPU_FOREACH_SAFE(cpu, next_cpu) { |
129 | if (cpu != thread_cpu) { | |
014628a7 | 130 | QTAILQ_REMOVE(&cpus, cpu, node); |
bdc44640 AF |
131 | } |
132 | } | |
677ef623 | 133 | qemu_mutex_init(&tcg_ctx.tb_ctx.tb_lock); |
267f685b | 134 | qemu_init_cpu_list(); |
f7ec7f7b | 135 | gdbserver_fork(thread_cpu); |
d5975363 | 136 | } else { |
677ef623 | 137 | qemu_mutex_unlock(&tcg_ctx.tb_ctx.tb_lock); |
267f685b | 138 | cpu_list_unlock(); |
d5975363 | 139 | } |
d5975363 PB |
140 | } |
141 | ||
a541f297 FB |
142 | #ifdef TARGET_I386 |
143 | /***********************************************************/ | |
144 | /* CPUX86 core interface */ | |
145 | ||
28ab0e2e FB |
146 | uint64_t cpu_get_tsc(CPUX86State *env) |
147 | { | |
4a7428c5 | 148 | return cpu_get_host_ticks(); |
28ab0e2e FB |
149 | } |
150 | ||
5fafdf24 | 151 | static void write_dt(void *ptr, unsigned long addr, unsigned long limit, |
f4beb510 | 152 | int flags) |
6dbad63e | 153 | { |
f4beb510 | 154 | unsigned int e1, e2; |
53a5960a | 155 | uint32_t *p; |
6dbad63e FB |
156 | e1 = (addr << 16) | (limit & 0xffff); |
157 | e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); | |
f4beb510 | 158 | e2 |= flags; |
53a5960a | 159 | p = ptr; |
d538e8f5 | 160 | p[0] = tswap32(e1); |
161 | p[1] = tswap32(e2); | |
f4beb510 FB |
162 | } |
163 | ||
e441570f | 164 | static uint64_t *idt_table; |
eb38c52c | 165 | #ifdef TARGET_X86_64 |
d2fd1af7 FB |
166 | static void set_gate64(void *ptr, unsigned int type, unsigned int dpl, |
167 | uint64_t addr, unsigned int sel) | |
f4beb510 | 168 | { |
4dbc422b | 169 | uint32_t *p, e1, e2; |
f4beb510 FB |
170 | e1 = (addr & 0xffff) | (sel << 16); |
171 | e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); | |
53a5960a | 172 | p = ptr; |
4dbc422b FB |
173 | p[0] = tswap32(e1); |
174 | p[1] = tswap32(e2); | |
175 | p[2] = tswap32(addr >> 32); | |
176 | p[3] = 0; | |
6dbad63e | 177 | } |
d2fd1af7 FB |
178 | /* only dpl matters as we do only user space emulation */ |
179 | static void set_idt(int n, unsigned int dpl) | |
180 | { | |
181 | set_gate64(idt_table + n * 2, 0, dpl, 0, 0); | |
182 | } | |
183 | #else | |
d2fd1af7 FB |
184 | static void set_gate(void *ptr, unsigned int type, unsigned int dpl, |
185 | uint32_t addr, unsigned int sel) | |
186 | { | |
4dbc422b | 187 | uint32_t *p, e1, e2; |
d2fd1af7 FB |
188 | e1 = (addr & 0xffff) | (sel << 16); |
189 | e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); | |
190 | p = ptr; | |
4dbc422b FB |
191 | p[0] = tswap32(e1); |
192 | p[1] = tswap32(e2); | |
d2fd1af7 FB |
193 | } |
194 | ||
f4beb510 FB |
195 | /* only dpl matters as we do only user space emulation */ |
196 | static void set_idt(int n, unsigned int dpl) | |
197 | { | |
198 | set_gate(idt_table + n, 0, dpl, 0, 0); | |
199 | } | |
d2fd1af7 | 200 | #endif |
31e31b8a | 201 | |
89e957e7 | 202 | void cpu_loop(CPUX86State *env) |
1b6b029e | 203 | { |
db6b81d4 | 204 | CPUState *cs = CPU(x86_env_get_cpu(env)); |
bc8a22cc | 205 | int trapnr; |
992f48a0 | 206 | abi_ulong pc; |
0284b03b | 207 | abi_ulong ret; |
c227f099 | 208 | target_siginfo_t info; |
851e67a1 | 209 | |
1b6b029e | 210 | for(;;) { |
b040bc9c | 211 | cpu_exec_start(cs); |
8642c1b8 | 212 | trapnr = cpu_exec(cs); |
b040bc9c | 213 | cpu_exec_end(cs); |
d148d90e SF |
214 | process_queued_cpu_work(cs); |
215 | ||
bc8a22cc | 216 | switch(trapnr) { |
f4beb510 | 217 | case 0x80: |
d2fd1af7 | 218 | /* linux syscall from int $0x80 */ |
0284b03b TB |
219 | ret = do_syscall(env, |
220 | env->regs[R_EAX], | |
221 | env->regs[R_EBX], | |
222 | env->regs[R_ECX], | |
223 | env->regs[R_EDX], | |
224 | env->regs[R_ESI], | |
225 | env->regs[R_EDI], | |
226 | env->regs[R_EBP], | |
227 | 0, 0); | |
228 | if (ret == -TARGET_ERESTARTSYS) { | |
229 | env->eip -= 2; | |
230 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
231 | env->regs[R_EAX] = ret; | |
232 | } | |
f4beb510 | 233 | break; |
d2fd1af7 FB |
234 | #ifndef TARGET_ABI32 |
235 | case EXCP_SYSCALL: | |
5ba18547 | 236 | /* linux syscall from syscall instruction */ |
0284b03b TB |
237 | ret = do_syscall(env, |
238 | env->regs[R_EAX], | |
239 | env->regs[R_EDI], | |
240 | env->regs[R_ESI], | |
241 | env->regs[R_EDX], | |
242 | env->regs[10], | |
243 | env->regs[8], | |
244 | env->regs[9], | |
245 | 0, 0); | |
246 | if (ret == -TARGET_ERESTARTSYS) { | |
247 | env->eip -= 2; | |
248 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
249 | env->regs[R_EAX] = ret; | |
250 | } | |
d2fd1af7 FB |
251 | break; |
252 | #endif | |
f4beb510 FB |
253 | case EXCP0B_NOSEG: |
254 | case EXCP0C_STACK: | |
a86b3c64 | 255 | info.si_signo = TARGET_SIGBUS; |
f4beb510 FB |
256 | info.si_errno = 0; |
257 | info.si_code = TARGET_SI_KERNEL; | |
258 | info._sifields._sigfault._addr = 0; | |
9d2803f7 | 259 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
f4beb510 | 260 | break; |
1b6b029e | 261 | case EXCP0D_GPF: |
d2fd1af7 | 262 | /* XXX: potential problem if ABI32 */ |
84409ddb | 263 | #ifndef TARGET_X86_64 |
851e67a1 | 264 | if (env->eflags & VM_MASK) { |
89e957e7 | 265 | handle_vm86_fault(env); |
84409ddb JM |
266 | } else |
267 | #endif | |
268 | { | |
a86b3c64 | 269 | info.si_signo = TARGET_SIGSEGV; |
f4beb510 FB |
270 | info.si_errno = 0; |
271 | info.si_code = TARGET_SI_KERNEL; | |
272 | info._sifields._sigfault._addr = 0; | |
9d2803f7 | 273 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
1b6b029e FB |
274 | } |
275 | break; | |
b689bc57 | 276 | case EXCP0E_PAGE: |
a86b3c64 | 277 | info.si_signo = TARGET_SIGSEGV; |
b689bc57 FB |
278 | info.si_errno = 0; |
279 | if (!(env->error_code & 1)) | |
280 | info.si_code = TARGET_SEGV_MAPERR; | |
281 | else | |
282 | info.si_code = TARGET_SEGV_ACCERR; | |
970a87a6 | 283 | info._sifields._sigfault._addr = env->cr[2]; |
9d2803f7 | 284 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
b689bc57 | 285 | break; |
9de5e440 | 286 | case EXCP00_DIVZ: |
84409ddb | 287 | #ifndef TARGET_X86_64 |
bc8a22cc | 288 | if (env->eflags & VM_MASK) { |
447db213 | 289 | handle_vm86_trap(env, trapnr); |
84409ddb JM |
290 | } else |
291 | #endif | |
292 | { | |
bc8a22cc | 293 | /* division by zero */ |
a86b3c64 | 294 | info.si_signo = TARGET_SIGFPE; |
bc8a22cc FB |
295 | info.si_errno = 0; |
296 | info.si_code = TARGET_FPE_INTDIV; | |
297 | info._sifields._sigfault._addr = env->eip; | |
9d2803f7 | 298 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
bc8a22cc | 299 | } |
9de5e440 | 300 | break; |
01df040b | 301 | case EXCP01_DB: |
447db213 | 302 | case EXCP03_INT3: |
84409ddb | 303 | #ifndef TARGET_X86_64 |
447db213 FB |
304 | if (env->eflags & VM_MASK) { |
305 | handle_vm86_trap(env, trapnr); | |
84409ddb JM |
306 | } else |
307 | #endif | |
308 | { | |
a86b3c64 | 309 | info.si_signo = TARGET_SIGTRAP; |
447db213 | 310 | info.si_errno = 0; |
01df040b | 311 | if (trapnr == EXCP01_DB) { |
447db213 FB |
312 | info.si_code = TARGET_TRAP_BRKPT; |
313 | info._sifields._sigfault._addr = env->eip; | |
314 | } else { | |
315 | info.si_code = TARGET_SI_KERNEL; | |
316 | info._sifields._sigfault._addr = 0; | |
317 | } | |
9d2803f7 | 318 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
447db213 FB |
319 | } |
320 | break; | |
9de5e440 FB |
321 | case EXCP04_INTO: |
322 | case EXCP05_BOUND: | |
84409ddb | 323 | #ifndef TARGET_X86_64 |
bc8a22cc | 324 | if (env->eflags & VM_MASK) { |
447db213 | 325 | handle_vm86_trap(env, trapnr); |
84409ddb JM |
326 | } else |
327 | #endif | |
328 | { | |
a86b3c64 | 329 | info.si_signo = TARGET_SIGSEGV; |
bc8a22cc | 330 | info.si_errno = 0; |
b689bc57 | 331 | info.si_code = TARGET_SI_KERNEL; |
bc8a22cc | 332 | info._sifields._sigfault._addr = 0; |
9d2803f7 | 333 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
bc8a22cc | 334 | } |
9de5e440 FB |
335 | break; |
336 | case EXCP06_ILLOP: | |
a86b3c64 | 337 | info.si_signo = TARGET_SIGILL; |
9de5e440 FB |
338 | info.si_errno = 0; |
339 | info.si_code = TARGET_ILL_ILLOPN; | |
340 | info._sifields._sigfault._addr = env->eip; | |
9d2803f7 | 341 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
9de5e440 FB |
342 | break; |
343 | case EXCP_INTERRUPT: | |
344 | /* just indicate that signals should be handled asap */ | |
345 | break; | |
1fddef4b FB |
346 | case EXCP_DEBUG: |
347 | { | |
348 | int sig; | |
349 | ||
db6b81d4 | 350 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
1fddef4b FB |
351 | if (sig) |
352 | { | |
353 | info.si_signo = sig; | |
354 | info.si_errno = 0; | |
355 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 356 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
1fddef4b FB |
357 | } |
358 | } | |
359 | break; | |
fdbc2b57 RH |
360 | case EXCP_ATOMIC: |
361 | cpu_exec_step_atomic(cs); | |
362 | break; | |
1b6b029e | 363 | default: |
970a87a6 | 364 | pc = env->segs[R_CS].base + env->eip; |
120a9848 PB |
365 | EXCP_DUMP(env, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", |
366 | (long)pc, trapnr); | |
1b6b029e FB |
367 | abort(); |
368 | } | |
66fb9763 | 369 | process_pending_signals(env); |
1b6b029e FB |
370 | } |
371 | } | |
b346ff46 FB |
372 | #endif |
373 | ||
374 | #ifdef TARGET_ARM | |
375 | ||
49017bd8 | 376 | #define get_user_code_u32(x, gaddr, env) \ |
d8fd2954 | 377 | ({ abi_long __r = get_user_u32((x), (gaddr)); \ |
f9fd40eb | 378 | if (!__r && bswap_code(arm_sctlr_b(env))) { \ |
d8fd2954 PB |
379 | (x) = bswap32(x); \ |
380 | } \ | |
381 | __r; \ | |
382 | }) | |
383 | ||
49017bd8 | 384 | #define get_user_code_u16(x, gaddr, env) \ |
d8fd2954 | 385 | ({ abi_long __r = get_user_u16((x), (gaddr)); \ |
f9fd40eb | 386 | if (!__r && bswap_code(arm_sctlr_b(env))) { \ |
d8fd2954 PB |
387 | (x) = bswap16(x); \ |
388 | } \ | |
389 | __r; \ | |
390 | }) | |
391 | ||
c3ae85fc PB |
392 | #define get_user_data_u32(x, gaddr, env) \ |
393 | ({ abi_long __r = get_user_u32((x), (gaddr)); \ | |
394 | if (!__r && arm_cpu_bswap_data(env)) { \ | |
395 | (x) = bswap32(x); \ | |
396 | } \ | |
397 | __r; \ | |
398 | }) | |
399 | ||
400 | #define get_user_data_u16(x, gaddr, env) \ | |
401 | ({ abi_long __r = get_user_u16((x), (gaddr)); \ | |
402 | if (!__r && arm_cpu_bswap_data(env)) { \ | |
403 | (x) = bswap16(x); \ | |
404 | } \ | |
405 | __r; \ | |
406 | }) | |
407 | ||
408 | #define put_user_data_u32(x, gaddr, env) \ | |
409 | ({ typeof(x) __x = (x); \ | |
410 | if (arm_cpu_bswap_data(env)) { \ | |
411 | __x = bswap32(__x); \ | |
412 | } \ | |
413 | put_user_u32(__x, (gaddr)); \ | |
414 | }) | |
415 | ||
416 | #define put_user_data_u16(x, gaddr, env) \ | |
417 | ({ typeof(x) __x = (x); \ | |
418 | if (arm_cpu_bswap_data(env)) { \ | |
419 | __x = bswap16(__x); \ | |
420 | } \ | |
421 | put_user_u16(__x, (gaddr)); \ | |
422 | }) | |
423 | ||
1861c454 PM |
424 | #ifdef TARGET_ABI32 |
425 | /* Commpage handling -- there is no commpage for AArch64 */ | |
426 | ||
97cc7560 DDAG |
427 | /* |
428 | * See the Linux kernel's Documentation/arm/kernel_user_helpers.txt | |
429 | * Input: | |
430 | * r0 = pointer to oldval | |
431 | * r1 = pointer to newval | |
432 | * r2 = pointer to target value | |
433 | * | |
434 | * Output: | |
435 | * r0 = 0 if *ptr was changed, non-0 if no exchange happened | |
436 | * C set if *ptr was changed, clear if no exchange happened | |
437 | * | |
438 | * Note segv's in kernel helpers are a bit tricky, we can set the | |
439 | * data address sensibly but the PC address is just the entry point. | |
440 | */ | |
441 | static void arm_kernel_cmpxchg64_helper(CPUARMState *env) | |
442 | { | |
443 | uint64_t oldval, newval, val; | |
444 | uint32_t addr, cpsr; | |
445 | target_siginfo_t info; | |
446 | ||
447 | /* Based on the 32 bit code in do_kernel_trap */ | |
448 | ||
449 | /* XXX: This only works between threads, not between processes. | |
450 | It's probably possible to implement this with native host | |
451 | operations. However things like ldrex/strex are much harder so | |
452 | there's not much point trying. */ | |
453 | start_exclusive(); | |
454 | cpsr = cpsr_read(env); | |
455 | addr = env->regs[2]; | |
456 | ||
457 | if (get_user_u64(oldval, env->regs[0])) { | |
abf1172f | 458 | env->exception.vaddress = env->regs[0]; |
97cc7560 DDAG |
459 | goto segv; |
460 | }; | |
461 | ||
462 | if (get_user_u64(newval, env->regs[1])) { | |
abf1172f | 463 | env->exception.vaddress = env->regs[1]; |
97cc7560 DDAG |
464 | goto segv; |
465 | }; | |
466 | ||
467 | if (get_user_u64(val, addr)) { | |
abf1172f | 468 | env->exception.vaddress = addr; |
97cc7560 DDAG |
469 | goto segv; |
470 | } | |
471 | ||
472 | if (val == oldval) { | |
473 | val = newval; | |
474 | ||
475 | if (put_user_u64(val, addr)) { | |
abf1172f | 476 | env->exception.vaddress = addr; |
97cc7560 DDAG |
477 | goto segv; |
478 | }; | |
479 | ||
480 | env->regs[0] = 0; | |
481 | cpsr |= CPSR_C; | |
482 | } else { | |
483 | env->regs[0] = -1; | |
484 | cpsr &= ~CPSR_C; | |
485 | } | |
50866ba5 | 486 | cpsr_write(env, cpsr, CPSR_C, CPSRWriteByInstr); |
97cc7560 DDAG |
487 | end_exclusive(); |
488 | return; | |
489 | ||
490 | segv: | |
491 | end_exclusive(); | |
492 | /* We get the PC of the entry address - which is as good as anything, | |
493 | on a real kernel what you get depends on which mode it uses. */ | |
a86b3c64 | 494 | info.si_signo = TARGET_SIGSEGV; |
97cc7560 DDAG |
495 | info.si_errno = 0; |
496 | /* XXX: check env->error_code */ | |
497 | info.si_code = TARGET_SEGV_MAPERR; | |
abf1172f | 498 | info._sifields._sigfault._addr = env->exception.vaddress; |
9d2803f7 | 499 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
97cc7560 DDAG |
500 | } |
501 | ||
fbb4a2e3 PB |
502 | /* Handle a jump to the kernel code page. */ |
503 | static int | |
504 | do_kernel_trap(CPUARMState *env) | |
505 | { | |
506 | uint32_t addr; | |
507 | uint32_t cpsr; | |
508 | uint32_t val; | |
509 | ||
510 | switch (env->regs[15]) { | |
511 | case 0xffff0fa0: /* __kernel_memory_barrier */ | |
512 | /* ??? No-op. Will need to do better for SMP. */ | |
513 | break; | |
514 | case 0xffff0fc0: /* __kernel_cmpxchg */ | |
d5975363 PB |
515 | /* XXX: This only works between threads, not between processes. |
516 | It's probably possible to implement this with native host | |
517 | operations. However things like ldrex/strex are much harder so | |
518 | there's not much point trying. */ | |
519 | start_exclusive(); | |
fbb4a2e3 PB |
520 | cpsr = cpsr_read(env); |
521 | addr = env->regs[2]; | |
522 | /* FIXME: This should SEGV if the access fails. */ | |
523 | if (get_user_u32(val, addr)) | |
524 | val = ~env->regs[0]; | |
525 | if (val == env->regs[0]) { | |
526 | val = env->regs[1]; | |
527 | /* FIXME: Check for segfaults. */ | |
528 | put_user_u32(val, addr); | |
529 | env->regs[0] = 0; | |
530 | cpsr |= CPSR_C; | |
531 | } else { | |
532 | env->regs[0] = -1; | |
533 | cpsr &= ~CPSR_C; | |
534 | } | |
50866ba5 | 535 | cpsr_write(env, cpsr, CPSR_C, CPSRWriteByInstr); |
d5975363 | 536 | end_exclusive(); |
fbb4a2e3 PB |
537 | break; |
538 | case 0xffff0fe0: /* __kernel_get_tls */ | |
b8d43285 | 539 | env->regs[0] = cpu_get_tls(env); |
fbb4a2e3 | 540 | break; |
97cc7560 DDAG |
541 | case 0xffff0f60: /* __kernel_cmpxchg64 */ |
542 | arm_kernel_cmpxchg64_helper(env); | |
543 | break; | |
544 | ||
fbb4a2e3 PB |
545 | default: |
546 | return 1; | |
547 | } | |
548 | /* Jump back to the caller. */ | |
549 | addr = env->regs[14]; | |
550 | if (addr & 1) { | |
551 | env->thumb = 1; | |
552 | addr &= ~1; | |
553 | } | |
554 | env->regs[15] = addr; | |
555 | ||
556 | return 0; | |
557 | } | |
558 | ||
b346ff46 FB |
559 | void cpu_loop(CPUARMState *env) |
560 | { | |
0315c31c | 561 | CPUState *cs = CPU(arm_env_get_cpu(env)); |
b346ff46 FB |
562 | int trapnr; |
563 | unsigned int n, insn; | |
c227f099 | 564 | target_siginfo_t info; |
b5ff1b31 | 565 | uint32_t addr; |
f0267ef7 | 566 | abi_ulong ret; |
3b46e624 | 567 | |
b346ff46 | 568 | for(;;) { |
0315c31c | 569 | cpu_exec_start(cs); |
8642c1b8 | 570 | trapnr = cpu_exec(cs); |
0315c31c | 571 | cpu_exec_end(cs); |
d148d90e SF |
572 | process_queued_cpu_work(cs); |
573 | ||
b346ff46 FB |
574 | switch(trapnr) { |
575 | case EXCP_UDEF: | |
7517748e | 576 | case EXCP_NOCP: |
c6981055 | 577 | { |
0429a971 | 578 | TaskState *ts = cs->opaque; |
c6981055 | 579 | uint32_t opcode; |
6d9a42be | 580 | int rc; |
c6981055 FB |
581 | |
582 | /* we handle the FPU emulation here, as Linux */ | |
583 | /* we get the opcode */ | |
2f619698 | 584 | /* FIXME - what to do if get_user() fails? */ |
49017bd8 | 585 | get_user_code_u32(opcode, env->regs[15], env); |
3b46e624 | 586 | |
6d9a42be AJ |
587 | rc = EmulateAll(opcode, &ts->fpa, env); |
588 | if (rc == 0) { /* illegal instruction */ | |
a86b3c64 | 589 | info.si_signo = TARGET_SIGILL; |
c6981055 FB |
590 | info.si_errno = 0; |
591 | info.si_code = TARGET_ILL_ILLOPN; | |
592 | info._sifields._sigfault._addr = env->regs[15]; | |
9d2803f7 | 593 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
6d9a42be AJ |
594 | } else if (rc < 0) { /* FP exception */ |
595 | int arm_fpe=0; | |
596 | ||
597 | /* translate softfloat flags to FPSR flags */ | |
598 | if (-rc & float_flag_invalid) | |
599 | arm_fpe |= BIT_IOC; | |
600 | if (-rc & float_flag_divbyzero) | |
601 | arm_fpe |= BIT_DZC; | |
602 | if (-rc & float_flag_overflow) | |
603 | arm_fpe |= BIT_OFC; | |
604 | if (-rc & float_flag_underflow) | |
605 | arm_fpe |= BIT_UFC; | |
606 | if (-rc & float_flag_inexact) | |
607 | arm_fpe |= BIT_IXC; | |
608 | ||
609 | FPSR fpsr = ts->fpa.fpsr; | |
610 | //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe); | |
611 | ||
612 | if (fpsr & (arm_fpe << 16)) { /* exception enabled? */ | |
a86b3c64 | 613 | info.si_signo = TARGET_SIGFPE; |
6d9a42be AJ |
614 | info.si_errno = 0; |
615 | ||
616 | /* ordered by priority, least first */ | |
617 | if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES; | |
618 | if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND; | |
619 | if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF; | |
620 | if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV; | |
621 | if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV; | |
622 | ||
623 | info._sifields._sigfault._addr = env->regs[15]; | |
9d2803f7 | 624 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
6d9a42be AJ |
625 | } else { |
626 | env->regs[15] += 4; | |
627 | } | |
628 | ||
629 | /* accumulate unenabled exceptions */ | |
630 | if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC)) | |
631 | fpsr |= BIT_IXC; | |
632 | if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC)) | |
633 | fpsr |= BIT_UFC; | |
634 | if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC)) | |
635 | fpsr |= BIT_OFC; | |
636 | if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC)) | |
637 | fpsr |= BIT_DZC; | |
638 | if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC)) | |
639 | fpsr |= BIT_IOC; | |
640 | ts->fpa.fpsr=fpsr; | |
641 | } else { /* everything OK */ | |
c6981055 FB |
642 | /* increment PC */ |
643 | env->regs[15] += 4; | |
644 | } | |
645 | } | |
b346ff46 FB |
646 | break; |
647 | case EXCP_SWI: | |
06c949e6 | 648 | case EXCP_BKPT: |
b346ff46 | 649 | { |
ce4defa0 | 650 | env->eabi = 1; |
b346ff46 | 651 | /* system call */ |
06c949e6 PB |
652 | if (trapnr == EXCP_BKPT) { |
653 | if (env->thumb) { | |
2f619698 | 654 | /* FIXME - what to do if get_user() fails? */ |
49017bd8 | 655 | get_user_code_u16(insn, env->regs[15], env); |
06c949e6 PB |
656 | n = insn & 0xff; |
657 | env->regs[15] += 2; | |
658 | } else { | |
2f619698 | 659 | /* FIXME - what to do if get_user() fails? */ |
49017bd8 | 660 | get_user_code_u32(insn, env->regs[15], env); |
06c949e6 PB |
661 | n = (insn & 0xf) | ((insn >> 4) & 0xff0); |
662 | env->regs[15] += 4; | |
663 | } | |
192c7bd9 | 664 | } else { |
06c949e6 | 665 | if (env->thumb) { |
2f619698 | 666 | /* FIXME - what to do if get_user() fails? */ |
49017bd8 | 667 | get_user_code_u16(insn, env->regs[15] - 2, env); |
06c949e6 PB |
668 | n = insn & 0xff; |
669 | } else { | |
2f619698 | 670 | /* FIXME - what to do if get_user() fails? */ |
49017bd8 | 671 | get_user_code_u32(insn, env->regs[15] - 4, env); |
06c949e6 PB |
672 | n = insn & 0xffffff; |
673 | } | |
192c7bd9 FB |
674 | } |
675 | ||
6f1f31c0 | 676 | if (n == ARM_NR_cacheflush) { |
dcfd14b3 | 677 | /* nop */ |
a4f81979 FB |
678 | } else if (n == ARM_NR_semihosting |
679 | || n == ARM_NR_thumb_semihosting) { | |
680 | env->regs[0] = do_arm_semihosting (env); | |
3a1363ac | 681 | } else if (n == 0 || n >= ARM_SYSCALL_BASE || env->thumb) { |
b346ff46 | 682 | /* linux syscall */ |
ce4defa0 | 683 | if (env->thumb || n == 0) { |
192c7bd9 FB |
684 | n = env->regs[7]; |
685 | } else { | |
686 | n -= ARM_SYSCALL_BASE; | |
ce4defa0 | 687 | env->eabi = 0; |
192c7bd9 | 688 | } |
fbb4a2e3 PB |
689 | if ( n > ARM_NR_BASE) { |
690 | switch (n) { | |
691 | case ARM_NR_cacheflush: | |
dcfd14b3 | 692 | /* nop */ |
fbb4a2e3 PB |
693 | break; |
694 | case ARM_NR_set_tls: | |
695 | cpu_set_tls(env, env->regs[0]); | |
696 | env->regs[0] = 0; | |
697 | break; | |
d5355087 HL |
698 | case ARM_NR_breakpoint: |
699 | env->regs[15] -= env->thumb ? 2 : 4; | |
700 | goto excp_debug; | |
fbb4a2e3 PB |
701 | default: |
702 | gemu_log("qemu: Unsupported ARM syscall: 0x%x\n", | |
703 | n); | |
704 | env->regs[0] = -TARGET_ENOSYS; | |
705 | break; | |
706 | } | |
707 | } else { | |
f0267ef7 TB |
708 | ret = do_syscall(env, |
709 | n, | |
710 | env->regs[0], | |
711 | env->regs[1], | |
712 | env->regs[2], | |
713 | env->regs[3], | |
714 | env->regs[4], | |
715 | env->regs[5], | |
716 | 0, 0); | |
717 | if (ret == -TARGET_ERESTARTSYS) { | |
718 | env->regs[15] -= env->thumb ? 2 : 4; | |
719 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
720 | env->regs[0] = ret; | |
721 | } | |
fbb4a2e3 | 722 | } |
b346ff46 FB |
723 | } else { |
724 | goto error; | |
725 | } | |
726 | } | |
727 | break; | |
19a6e31c PM |
728 | case EXCP_SEMIHOST: |
729 | env->regs[0] = do_arm_semihosting(env); | |
730 | break; | |
43fff238 FB |
731 | case EXCP_INTERRUPT: |
732 | /* just indicate that signals should be handled asap */ | |
733 | break; | |
68016c62 FB |
734 | case EXCP_PREFETCH_ABORT: |
735 | case EXCP_DATA_ABORT: | |
abf1172f | 736 | addr = env->exception.vaddress; |
68016c62 | 737 | { |
a86b3c64 | 738 | info.si_signo = TARGET_SIGSEGV; |
68016c62 FB |
739 | info.si_errno = 0; |
740 | /* XXX: check env->error_code */ | |
741 | info.si_code = TARGET_SEGV_MAPERR; | |
b5ff1b31 | 742 | info._sifields._sigfault._addr = addr; |
9d2803f7 | 743 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
68016c62 FB |
744 | } |
745 | break; | |
1fddef4b | 746 | case EXCP_DEBUG: |
d5355087 | 747 | excp_debug: |
1fddef4b FB |
748 | { |
749 | int sig; | |
750 | ||
db6b81d4 | 751 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
1fddef4b FB |
752 | if (sig) |
753 | { | |
754 | info.si_signo = sig; | |
755 | info.si_errno = 0; | |
756 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 757 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
1fddef4b FB |
758 | } |
759 | } | |
760 | break; | |
fbb4a2e3 PB |
761 | case EXCP_KERNEL_TRAP: |
762 | if (do_kernel_trap(env)) | |
763 | goto error; | |
764 | break; | |
f911e0a3 PM |
765 | case EXCP_YIELD: |
766 | /* nothing to do here for user-mode, just resume guest code */ | |
767 | break; | |
fdbc2b57 RH |
768 | case EXCP_ATOMIC: |
769 | cpu_exec_step_atomic(cs); | |
770 | break; | |
b346ff46 FB |
771 | default: |
772 | error: | |
120a9848 | 773 | EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); |
b346ff46 FB |
774 | abort(); |
775 | } | |
776 | process_pending_signals(env); | |
777 | } | |
778 | } | |
779 | ||
1861c454 PM |
780 | #else |
781 | ||
782 | /* AArch64 main loop */ | |
783 | void cpu_loop(CPUARMState *env) | |
784 | { | |
785 | CPUState *cs = CPU(arm_env_get_cpu(env)); | |
786 | int trapnr, sig; | |
f0267ef7 | 787 | abi_long ret; |
1861c454 | 788 | target_siginfo_t info; |
1861c454 PM |
789 | |
790 | for (;;) { | |
791 | cpu_exec_start(cs); | |
8642c1b8 | 792 | trapnr = cpu_exec(cs); |
1861c454 | 793 | cpu_exec_end(cs); |
d148d90e | 794 | process_queued_cpu_work(cs); |
1861c454 PM |
795 | |
796 | switch (trapnr) { | |
797 | case EXCP_SWI: | |
f0267ef7 TB |
798 | ret = do_syscall(env, |
799 | env->xregs[8], | |
800 | env->xregs[0], | |
801 | env->xregs[1], | |
802 | env->xregs[2], | |
803 | env->xregs[3], | |
804 | env->xregs[4], | |
805 | env->xregs[5], | |
806 | 0, 0); | |
807 | if (ret == -TARGET_ERESTARTSYS) { | |
808 | env->pc -= 4; | |
809 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
810 | env->xregs[0] = ret; | |
811 | } | |
1861c454 PM |
812 | break; |
813 | case EXCP_INTERRUPT: | |
814 | /* just indicate that signals should be handled asap */ | |
815 | break; | |
816 | case EXCP_UDEF: | |
a86b3c64 | 817 | info.si_signo = TARGET_SIGILL; |
1861c454 PM |
818 | info.si_errno = 0; |
819 | info.si_code = TARGET_ILL_ILLOPN; | |
820 | info._sifields._sigfault._addr = env->pc; | |
9d2803f7 | 821 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
1861c454 PM |
822 | break; |
823 | case EXCP_PREFETCH_ABORT: | |
1861c454 | 824 | case EXCP_DATA_ABORT: |
a86b3c64 | 825 | info.si_signo = TARGET_SIGSEGV; |
1861c454 PM |
826 | info.si_errno = 0; |
827 | /* XXX: check env->error_code */ | |
828 | info.si_code = TARGET_SEGV_MAPERR; | |
686581ad | 829 | info._sifields._sigfault._addr = env->exception.vaddress; |
9d2803f7 | 830 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
1861c454 PM |
831 | break; |
832 | case EXCP_DEBUG: | |
833 | case EXCP_BKPT: | |
834 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); | |
835 | if (sig) { | |
836 | info.si_signo = sig; | |
837 | info.si_errno = 0; | |
838 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 839 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
1861c454 PM |
840 | } |
841 | break; | |
8012c84f PM |
842 | case EXCP_SEMIHOST: |
843 | env->xregs[0] = do_arm_semihosting(env); | |
844 | break; | |
f911e0a3 PM |
845 | case EXCP_YIELD: |
846 | /* nothing to do here for user-mode, just resume guest code */ | |
847 | break; | |
fdbc2b57 RH |
848 | case EXCP_ATOMIC: |
849 | cpu_exec_step_atomic(cs); | |
850 | break; | |
1861c454 | 851 | default: |
120a9848 | 852 | EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); |
1861c454 PM |
853 | abort(); |
854 | } | |
855 | process_pending_signals(env); | |
fa2ef212 MM |
856 | /* Exception return on AArch64 always clears the exclusive monitor, |
857 | * so any return to running guest code implies this. | |
fa2ef212 MM |
858 | */ |
859 | env->exclusive_addr = -1; | |
1861c454 PM |
860 | } |
861 | } | |
862 | #endif /* ndef TARGET_ABI32 */ | |
863 | ||
b346ff46 | 864 | #endif |
1b6b029e | 865 | |
d2fbca94 GX |
866 | #ifdef TARGET_UNICORE32 |
867 | ||
05390248 | 868 | void cpu_loop(CPUUniCore32State *env) |
d2fbca94 | 869 | { |
0315c31c | 870 | CPUState *cs = CPU(uc32_env_get_cpu(env)); |
d2fbca94 GX |
871 | int trapnr; |
872 | unsigned int n, insn; | |
873 | target_siginfo_t info; | |
874 | ||
875 | for (;;) { | |
0315c31c | 876 | cpu_exec_start(cs); |
8642c1b8 | 877 | trapnr = cpu_exec(cs); |
0315c31c | 878 | cpu_exec_end(cs); |
d148d90e SF |
879 | process_queued_cpu_work(cs); |
880 | ||
d2fbca94 GX |
881 | switch (trapnr) { |
882 | case UC32_EXCP_PRIV: | |
883 | { | |
884 | /* system call */ | |
885 | get_user_u32(insn, env->regs[31] - 4); | |
886 | n = insn & 0xffffff; | |
887 | ||
888 | if (n >= UC32_SYSCALL_BASE) { | |
889 | /* linux syscall */ | |
890 | n -= UC32_SYSCALL_BASE; | |
891 | if (n == UC32_SYSCALL_NR_set_tls) { | |
892 | cpu_set_tls(env, env->regs[0]); | |
893 | env->regs[0] = 0; | |
894 | } else { | |
256cb6af | 895 | abi_long ret = do_syscall(env, |
d2fbca94 GX |
896 | n, |
897 | env->regs[0], | |
898 | env->regs[1], | |
899 | env->regs[2], | |
900 | env->regs[3], | |
901 | env->regs[4], | |
5945cfcb PM |
902 | env->regs[5], |
903 | 0, 0); | |
256cb6af TB |
904 | if (ret == -TARGET_ERESTARTSYS) { |
905 | env->regs[31] -= 4; | |
906 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
907 | env->regs[0] = ret; | |
908 | } | |
d2fbca94 GX |
909 | } |
910 | } else { | |
911 | goto error; | |
912 | } | |
913 | } | |
914 | break; | |
d48813dd GX |
915 | case UC32_EXCP_DTRAP: |
916 | case UC32_EXCP_ITRAP: | |
a86b3c64 | 917 | info.si_signo = TARGET_SIGSEGV; |
d2fbca94 GX |
918 | info.si_errno = 0; |
919 | /* XXX: check env->error_code */ | |
920 | info.si_code = TARGET_SEGV_MAPERR; | |
921 | info._sifields._sigfault._addr = env->cp0.c4_faultaddr; | |
9d2803f7 | 922 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
d2fbca94 GX |
923 | break; |
924 | case EXCP_INTERRUPT: | |
925 | /* just indicate that signals should be handled asap */ | |
926 | break; | |
927 | case EXCP_DEBUG: | |
928 | { | |
929 | int sig; | |
930 | ||
db6b81d4 | 931 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
d2fbca94 GX |
932 | if (sig) { |
933 | info.si_signo = sig; | |
934 | info.si_errno = 0; | |
935 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 936 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
d2fbca94 GX |
937 | } |
938 | } | |
939 | break; | |
fdbc2b57 RH |
940 | case EXCP_ATOMIC: |
941 | cpu_exec_step_atomic(cs); | |
942 | break; | |
d2fbca94 GX |
943 | default: |
944 | goto error; | |
945 | } | |
946 | process_pending_signals(env); | |
947 | } | |
948 | ||
949 | error: | |
120a9848 | 950 | EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); |
d2fbca94 GX |
951 | abort(); |
952 | } | |
953 | #endif | |
954 | ||
93ac68bc | 955 | #ifdef TARGET_SPARC |
ed23fbd9 | 956 | #define SPARC64_STACK_BIAS 2047 |
93ac68bc | 957 | |
060366c5 FB |
958 | //#define DEBUG_WIN |
959 | ||
2623cbaf FB |
960 | /* WARNING: dealing with register windows _is_ complicated. More info |
961 | can be found at http://www.sics.se/~psm/sparcstack.html */ | |
060366c5 FB |
962 | static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) |
963 | { | |
1a14026e | 964 | index = (index + cwp * 16) % (16 * env->nwindows); |
060366c5 FB |
965 | /* wrap handling : if cwp is on the last window, then we use the |
966 | registers 'after' the end */ | |
1a14026e BS |
967 | if (index < 8 && env->cwp == env->nwindows - 1) |
968 | index += 16 * env->nwindows; | |
060366c5 FB |
969 | return index; |
970 | } | |
971 | ||
2623cbaf FB |
972 | /* save the register window 'cwp1' */ |
973 | static inline void save_window_offset(CPUSPARCState *env, int cwp1) | |
060366c5 | 974 | { |
2623cbaf | 975 | unsigned int i; |
992f48a0 | 976 | abi_ulong sp_ptr; |
3b46e624 | 977 | |
53a5960a | 978 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; |
ed23fbd9 BS |
979 | #ifdef TARGET_SPARC64 |
980 | if (sp_ptr & 3) | |
981 | sp_ptr += SPARC64_STACK_BIAS; | |
982 | #endif | |
060366c5 | 983 | #if defined(DEBUG_WIN) |
2daf0284 BS |
984 | printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n", |
985 | sp_ptr, cwp1); | |
060366c5 | 986 | #endif |
2623cbaf | 987 | for(i = 0; i < 16; i++) { |
2f619698 FB |
988 | /* FIXME - what to do if put_user() fails? */ |
989 | put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); | |
992f48a0 | 990 | sp_ptr += sizeof(abi_ulong); |
2623cbaf | 991 | } |
060366c5 FB |
992 | } |
993 | ||
994 | static void save_window(CPUSPARCState *env) | |
995 | { | |
5ef54116 | 996 | #ifndef TARGET_SPARC64 |
2623cbaf | 997 | unsigned int new_wim; |
1a14026e BS |
998 | new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) & |
999 | ((1LL << env->nwindows) - 1); | |
1000 | save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); | |
2623cbaf | 1001 | env->wim = new_wim; |
5ef54116 | 1002 | #else |
1a14026e | 1003 | save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); |
5ef54116 FB |
1004 | env->cansave++; |
1005 | env->canrestore--; | |
1006 | #endif | |
060366c5 FB |
1007 | } |
1008 | ||
1009 | static void restore_window(CPUSPARCState *env) | |
1010 | { | |
eda52953 BS |
1011 | #ifndef TARGET_SPARC64 |
1012 | unsigned int new_wim; | |
1013 | #endif | |
1014 | unsigned int i, cwp1; | |
992f48a0 | 1015 | abi_ulong sp_ptr; |
3b46e624 | 1016 | |
eda52953 | 1017 | #ifndef TARGET_SPARC64 |
1a14026e BS |
1018 | new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) & |
1019 | ((1LL << env->nwindows) - 1); | |
eda52953 | 1020 | #endif |
3b46e624 | 1021 | |
060366c5 | 1022 | /* restore the invalid window */ |
1a14026e | 1023 | cwp1 = cpu_cwp_inc(env, env->cwp + 1); |
53a5960a | 1024 | sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; |
ed23fbd9 BS |
1025 | #ifdef TARGET_SPARC64 |
1026 | if (sp_ptr & 3) | |
1027 | sp_ptr += SPARC64_STACK_BIAS; | |
1028 | #endif | |
060366c5 | 1029 | #if defined(DEBUG_WIN) |
2daf0284 BS |
1030 | printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n", |
1031 | sp_ptr, cwp1); | |
060366c5 | 1032 | #endif |
2623cbaf | 1033 | for(i = 0; i < 16; i++) { |
2f619698 FB |
1034 | /* FIXME - what to do if get_user() fails? */ |
1035 | get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); | |
992f48a0 | 1036 | sp_ptr += sizeof(abi_ulong); |
2623cbaf | 1037 | } |
5ef54116 FB |
1038 | #ifdef TARGET_SPARC64 |
1039 | env->canrestore++; | |
1a14026e BS |
1040 | if (env->cleanwin < env->nwindows - 1) |
1041 | env->cleanwin++; | |
5ef54116 | 1042 | env->cansave--; |
eda52953 BS |
1043 | #else |
1044 | env->wim = new_wim; | |
5ef54116 | 1045 | #endif |
060366c5 FB |
1046 | } |
1047 | ||
1048 | static void flush_windows(CPUSPARCState *env) | |
1049 | { | |
1050 | int offset, cwp1; | |
2623cbaf FB |
1051 | |
1052 | offset = 1; | |
060366c5 FB |
1053 | for(;;) { |
1054 | /* if restore would invoke restore_window(), then we can stop */ | |
1a14026e | 1055 | cwp1 = cpu_cwp_inc(env, env->cwp + offset); |
eda52953 | 1056 | #ifndef TARGET_SPARC64 |
060366c5 FB |
1057 | if (env->wim & (1 << cwp1)) |
1058 | break; | |
eda52953 BS |
1059 | #else |
1060 | if (env->canrestore == 0) | |
1061 | break; | |
1062 | env->cansave++; | |
1063 | env->canrestore--; | |
1064 | #endif | |
2623cbaf | 1065 | save_window_offset(env, cwp1); |
060366c5 FB |
1066 | offset++; |
1067 | } | |
1a14026e | 1068 | cwp1 = cpu_cwp_inc(env, env->cwp + 1); |
eda52953 BS |
1069 | #ifndef TARGET_SPARC64 |
1070 | /* set wim so that restore will reload the registers */ | |
2623cbaf | 1071 | env->wim = 1 << cwp1; |
eda52953 | 1072 | #endif |
2623cbaf FB |
1073 | #if defined(DEBUG_WIN) |
1074 | printf("flush_windows: nb=%d\n", offset - 1); | |
80a9d035 | 1075 | #endif |
2623cbaf | 1076 | } |
060366c5 | 1077 | |
93ac68bc FB |
1078 | void cpu_loop (CPUSPARCState *env) |
1079 | { | |
878096ee | 1080 | CPUState *cs = CPU(sparc_env_get_cpu(env)); |
2cc20260 RH |
1081 | int trapnr; |
1082 | abi_long ret; | |
c227f099 | 1083 | target_siginfo_t info; |
3b46e624 | 1084 | |
060366c5 | 1085 | while (1) { |
b040bc9c | 1086 | cpu_exec_start(cs); |
8642c1b8 | 1087 | trapnr = cpu_exec(cs); |
b040bc9c | 1088 | cpu_exec_end(cs); |
d148d90e | 1089 | process_queued_cpu_work(cs); |
3b46e624 | 1090 | |
20132b96 RH |
1091 | /* Compute PSR before exposing state. */ |
1092 | if (env->cc_op != CC_OP_FLAGS) { | |
1093 | cpu_get_psr(env); | |
1094 | } | |
1095 | ||
060366c5 | 1096 | switch (trapnr) { |
5ef54116 | 1097 | #ifndef TARGET_SPARC64 |
5fafdf24 | 1098 | case 0x88: |
060366c5 | 1099 | case 0x90: |
5ef54116 | 1100 | #else |
cb33da57 | 1101 | case 0x110: |
5ef54116 FB |
1102 | case 0x16d: |
1103 | #endif | |
060366c5 | 1104 | ret = do_syscall (env, env->gregs[1], |
5fafdf24 TS |
1105 | env->regwptr[0], env->regwptr[1], |
1106 | env->regwptr[2], env->regwptr[3], | |
5945cfcb PM |
1107 | env->regwptr[4], env->regwptr[5], |
1108 | 0, 0); | |
c0bea68f TB |
1109 | if (ret == -TARGET_ERESTARTSYS || ret == -TARGET_QEMU_ESIGRETURN) { |
1110 | break; | |
1111 | } | |
2cc20260 | 1112 | if ((abi_ulong)ret >= (abi_ulong)(-515)) { |
992f48a0 | 1113 | #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) |
27908725 FB |
1114 | env->xcc |= PSR_CARRY; |
1115 | #else | |
060366c5 | 1116 | env->psr |= PSR_CARRY; |
27908725 | 1117 | #endif |
060366c5 FB |
1118 | ret = -ret; |
1119 | } else { | |
992f48a0 | 1120 | #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) |
27908725 FB |
1121 | env->xcc &= ~PSR_CARRY; |
1122 | #else | |
060366c5 | 1123 | env->psr &= ~PSR_CARRY; |
27908725 | 1124 | #endif |
060366c5 FB |
1125 | } |
1126 | env->regwptr[0] = ret; | |
1127 | /* next instruction */ | |
1128 | env->pc = env->npc; | |
1129 | env->npc = env->npc + 4; | |
1130 | break; | |
1131 | case 0x83: /* flush windows */ | |
992f48a0 BS |
1132 | #ifdef TARGET_ABI32 |
1133 | case 0x103: | |
1134 | #endif | |
2623cbaf | 1135 | flush_windows(env); |
060366c5 FB |
1136 | /* next instruction */ |
1137 | env->pc = env->npc; | |
1138 | env->npc = env->npc + 4; | |
1139 | break; | |
3475187d | 1140 | #ifndef TARGET_SPARC64 |
060366c5 FB |
1141 | case TT_WIN_OVF: /* window overflow */ |
1142 | save_window(env); | |
1143 | break; | |
1144 | case TT_WIN_UNF: /* window underflow */ | |
1145 | restore_window(env); | |
1146 | break; | |
61ff6f58 FB |
1147 | case TT_TFAULT: |
1148 | case TT_DFAULT: | |
1149 | { | |
59f7182f | 1150 | info.si_signo = TARGET_SIGSEGV; |
61ff6f58 FB |
1151 | info.si_errno = 0; |
1152 | /* XXX: check env->error_code */ | |
1153 | info.si_code = TARGET_SEGV_MAPERR; | |
1154 | info._sifields._sigfault._addr = env->mmuregs[4]; | |
9d2803f7 | 1155 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
61ff6f58 FB |
1156 | } |
1157 | break; | |
3475187d | 1158 | #else |
5ef54116 FB |
1159 | case TT_SPILL: /* window overflow */ |
1160 | save_window(env); | |
1161 | break; | |
1162 | case TT_FILL: /* window underflow */ | |
1163 | restore_window(env); | |
1164 | break; | |
7f84a729 BS |
1165 | case TT_TFAULT: |
1166 | case TT_DFAULT: | |
1167 | { | |
59f7182f | 1168 | info.si_signo = TARGET_SIGSEGV; |
7f84a729 BS |
1169 | info.si_errno = 0; |
1170 | /* XXX: check env->error_code */ | |
1171 | info.si_code = TARGET_SEGV_MAPERR; | |
1172 | if (trapnr == TT_DFAULT) | |
96df2bc9 | 1173 | info._sifields._sigfault._addr = env->dmmu.mmuregs[4]; |
7f84a729 | 1174 | else |
8194f35a | 1175 | info._sifields._sigfault._addr = cpu_tsptr(env)->tpc; |
9d2803f7 | 1176 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
7f84a729 BS |
1177 | } |
1178 | break; | |
27524dc3 | 1179 | #ifndef TARGET_ABI32 |
5bfb56b2 BS |
1180 | case 0x16e: |
1181 | flush_windows(env); | |
1182 | sparc64_get_context(env); | |
1183 | break; | |
1184 | case 0x16f: | |
1185 | flush_windows(env); | |
1186 | sparc64_set_context(env); | |
1187 | break; | |
27524dc3 | 1188 | #endif |
3475187d | 1189 | #endif |
48dc41eb FB |
1190 | case EXCP_INTERRUPT: |
1191 | /* just indicate that signals should be handled asap */ | |
1192 | break; | |
75f22e4e RH |
1193 | case TT_ILL_INSN: |
1194 | { | |
1195 | info.si_signo = TARGET_SIGILL; | |
1196 | info.si_errno = 0; | |
1197 | info.si_code = TARGET_ILL_ILLOPC; | |
1198 | info._sifields._sigfault._addr = env->pc; | |
9d2803f7 | 1199 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
75f22e4e RH |
1200 | } |
1201 | break; | |
1fddef4b FB |
1202 | case EXCP_DEBUG: |
1203 | { | |
1204 | int sig; | |
1205 | ||
db6b81d4 | 1206 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
1fddef4b FB |
1207 | if (sig) |
1208 | { | |
1209 | info.si_signo = sig; | |
1210 | info.si_errno = 0; | |
1211 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 1212 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
1fddef4b FB |
1213 | } |
1214 | } | |
1215 | break; | |
fdbc2b57 RH |
1216 | case EXCP_ATOMIC: |
1217 | cpu_exec_step_atomic(cs); | |
1218 | break; | |
060366c5 FB |
1219 | default: |
1220 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
878096ee | 1221 | cpu_dump_state(cs, stderr, fprintf, 0); |
4d1275c2 | 1222 | exit(EXIT_FAILURE); |
060366c5 FB |
1223 | } |
1224 | process_pending_signals (env); | |
1225 | } | |
93ac68bc FB |
1226 | } |
1227 | ||
1228 | #endif | |
1229 | ||
67867308 | 1230 | #ifdef TARGET_PPC |
05390248 | 1231 | static inline uint64_t cpu_ppc_get_tb(CPUPPCState *env) |
9fddaa0c | 1232 | { |
4a7428c5 | 1233 | return cpu_get_host_ticks(); |
9fddaa0c | 1234 | } |
3b46e624 | 1235 | |
05390248 | 1236 | uint64_t cpu_ppc_load_tbl(CPUPPCState *env) |
9fddaa0c | 1237 | { |
e3ea6529 | 1238 | return cpu_ppc_get_tb(env); |
9fddaa0c | 1239 | } |
3b46e624 | 1240 | |
05390248 | 1241 | uint32_t cpu_ppc_load_tbu(CPUPPCState *env) |
9fddaa0c FB |
1242 | { |
1243 | return cpu_ppc_get_tb(env) >> 32; | |
1244 | } | |
3b46e624 | 1245 | |
05390248 | 1246 | uint64_t cpu_ppc_load_atbl(CPUPPCState *env) |
9fddaa0c | 1247 | { |
b711de95 | 1248 | return cpu_ppc_get_tb(env); |
9fddaa0c | 1249 | } |
5fafdf24 | 1250 | |
05390248 | 1251 | uint32_t cpu_ppc_load_atbu(CPUPPCState *env) |
9fddaa0c | 1252 | { |
a062e36c | 1253 | return cpu_ppc_get_tb(env) >> 32; |
9fddaa0c | 1254 | } |
76a66253 | 1255 | |
05390248 | 1256 | uint32_t cpu_ppc601_load_rtcu(CPUPPCState *env) |
76a66253 JM |
1257 | __attribute__ (( alias ("cpu_ppc_load_tbu") )); |
1258 | ||
05390248 | 1259 | uint32_t cpu_ppc601_load_rtcl(CPUPPCState *env) |
9fddaa0c | 1260 | { |
76a66253 | 1261 | return cpu_ppc_load_tbl(env) & 0x3FFFFF80; |
9fddaa0c | 1262 | } |
76a66253 | 1263 | |
a750fc0b | 1264 | /* XXX: to be fixed */ |
73b01960 | 1265 | int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp) |
a750fc0b JM |
1266 | { |
1267 | return -1; | |
1268 | } | |
1269 | ||
73b01960 | 1270 | int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val) |
a750fc0b JM |
1271 | { |
1272 | return -1; | |
1273 | } | |
1274 | ||
56f066bb NF |
1275 | static int do_store_exclusive(CPUPPCState *env) |
1276 | { | |
1277 | target_ulong addr; | |
1278 | target_ulong page_addr; | |
e22c357b | 1279 | target_ulong val, val2 __attribute__((unused)) = 0; |
56f066bb NF |
1280 | int flags; |
1281 | int segv = 0; | |
1282 | ||
1283 | addr = env->reserve_ea; | |
1284 | page_addr = addr & TARGET_PAGE_MASK; | |
1285 | start_exclusive(); | |
1286 | mmap_lock(); | |
1287 | flags = page_get_flags(page_addr); | |
1288 | if ((flags & PAGE_READ) == 0) { | |
1289 | segv = 1; | |
1290 | } else { | |
1291 | int reg = env->reserve_info & 0x1f; | |
4b1daa72 | 1292 | int size = env->reserve_info >> 5; |
56f066bb NF |
1293 | int stored = 0; |
1294 | ||
1295 | if (addr == env->reserve_addr) { | |
1296 | switch (size) { | |
1297 | case 1: segv = get_user_u8(val, addr); break; | |
1298 | case 2: segv = get_user_u16(val, addr); break; | |
1299 | case 4: segv = get_user_u32(val, addr); break; | |
1300 | #if defined(TARGET_PPC64) | |
1301 | case 8: segv = get_user_u64(val, addr); break; | |
27b95bfe TM |
1302 | case 16: { |
1303 | segv = get_user_u64(val, addr); | |
1304 | if (!segv) { | |
1305 | segv = get_user_u64(val2, addr + 8); | |
1306 | } | |
1307 | break; | |
1308 | } | |
56f066bb NF |
1309 | #endif |
1310 | default: abort(); | |
1311 | } | |
1312 | if (!segv && val == env->reserve_val) { | |
1313 | val = env->gpr[reg]; | |
1314 | switch (size) { | |
1315 | case 1: segv = put_user_u8(val, addr); break; | |
1316 | case 2: segv = put_user_u16(val, addr); break; | |
1317 | case 4: segv = put_user_u32(val, addr); break; | |
1318 | #if defined(TARGET_PPC64) | |
1319 | case 8: segv = put_user_u64(val, addr); break; | |
27b95bfe TM |
1320 | case 16: { |
1321 | if (val2 == env->reserve_val2) { | |
e22c357b DK |
1322 | if (msr_le) { |
1323 | val2 = val; | |
1324 | val = env->gpr[reg+1]; | |
1325 | } else { | |
1326 | val2 = env->gpr[reg+1]; | |
1327 | } | |
27b95bfe TM |
1328 | segv = put_user_u64(val, addr); |
1329 | if (!segv) { | |
1330 | segv = put_user_u64(val2, addr + 8); | |
1331 | } | |
1332 | } | |
1333 | break; | |
1334 | } | |
56f066bb NF |
1335 | #endif |
1336 | default: abort(); | |
1337 | } | |
1338 | if (!segv) { | |
1339 | stored = 1; | |
1340 | } | |
1341 | } | |
1342 | } | |
1343 | env->crf[0] = (stored << 1) | xer_so; | |
1344 | env->reserve_addr = (target_ulong)-1; | |
1345 | } | |
1346 | if (!segv) { | |
1347 | env->nip += 4; | |
1348 | } | |
1349 | mmap_unlock(); | |
1350 | end_exclusive(); | |
1351 | return segv; | |
1352 | } | |
1353 | ||
67867308 FB |
1354 | void cpu_loop(CPUPPCState *env) |
1355 | { | |
0315c31c | 1356 | CPUState *cs = CPU(ppc_env_get_cpu(env)); |
c227f099 | 1357 | target_siginfo_t info; |
61190b14 | 1358 | int trapnr; |
9e0e2f96 | 1359 | target_ulong ret; |
3b46e624 | 1360 | |
67867308 | 1361 | for(;;) { |
0315c31c | 1362 | cpu_exec_start(cs); |
8642c1b8 | 1363 | trapnr = cpu_exec(cs); |
0315c31c | 1364 | cpu_exec_end(cs); |
d148d90e SF |
1365 | process_queued_cpu_work(cs); |
1366 | ||
67867308 | 1367 | switch(trapnr) { |
e1833e1f JM |
1368 | case POWERPC_EXCP_NONE: |
1369 | /* Just go on */ | |
67867308 | 1370 | break; |
e1833e1f | 1371 | case POWERPC_EXCP_CRITICAL: /* Critical input */ |
a47dddd7 | 1372 | cpu_abort(cs, "Critical interrupt while in user mode. " |
e1833e1f | 1373 | "Aborting\n"); |
61190b14 | 1374 | break; |
e1833e1f | 1375 | case POWERPC_EXCP_MCHECK: /* Machine check exception */ |
a47dddd7 | 1376 | cpu_abort(cs, "Machine check exception while in user mode. " |
e1833e1f JM |
1377 | "Aborting\n"); |
1378 | break; | |
1379 | case POWERPC_EXCP_DSI: /* Data storage exception */ | |
e1833e1f | 1380 | /* XXX: check this. Seems bugged */ |
2be0071f FB |
1381 | switch (env->error_code & 0xFF000000) { |
1382 | case 0x40000000: | |
ba4a8df8 | 1383 | case 0x42000000: |
61190b14 FB |
1384 | info.si_signo = TARGET_SIGSEGV; |
1385 | info.si_errno = 0; | |
1386 | info.si_code = TARGET_SEGV_MAPERR; | |
1387 | break; | |
2be0071f | 1388 | case 0x04000000: |
61190b14 FB |
1389 | info.si_signo = TARGET_SIGILL; |
1390 | info.si_errno = 0; | |
1391 | info.si_code = TARGET_ILL_ILLADR; | |
1392 | break; | |
2be0071f | 1393 | case 0x08000000: |
61190b14 FB |
1394 | info.si_signo = TARGET_SIGSEGV; |
1395 | info.si_errno = 0; | |
1396 | info.si_code = TARGET_SEGV_ACCERR; | |
1397 | break; | |
61190b14 FB |
1398 | default: |
1399 | /* Let's send a regular segfault... */ | |
e1833e1f JM |
1400 | EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", |
1401 | env->error_code); | |
61190b14 FB |
1402 | info.si_signo = TARGET_SIGSEGV; |
1403 | info.si_errno = 0; | |
1404 | info.si_code = TARGET_SEGV_MAPERR; | |
1405 | break; | |
1406 | } | |
67867308 | 1407 | info._sifields._sigfault._addr = env->nip; |
9d2803f7 | 1408 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
67867308 | 1409 | break; |
e1833e1f | 1410 | case POWERPC_EXCP_ISI: /* Instruction storage exception */ |
e1833e1f | 1411 | /* XXX: check this */ |
2be0071f FB |
1412 | switch (env->error_code & 0xFF000000) { |
1413 | case 0x40000000: | |
61190b14 | 1414 | info.si_signo = TARGET_SIGSEGV; |
67867308 | 1415 | info.si_errno = 0; |
61190b14 FB |
1416 | info.si_code = TARGET_SEGV_MAPERR; |
1417 | break; | |
2be0071f FB |
1418 | case 0x10000000: |
1419 | case 0x08000000: | |
61190b14 FB |
1420 | info.si_signo = TARGET_SIGSEGV; |
1421 | info.si_errno = 0; | |
1422 | info.si_code = TARGET_SEGV_ACCERR; | |
1423 | break; | |
1424 | default: | |
1425 | /* Let's send a regular segfault... */ | |
e1833e1f JM |
1426 | EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", |
1427 | env->error_code); | |
61190b14 FB |
1428 | info.si_signo = TARGET_SIGSEGV; |
1429 | info.si_errno = 0; | |
1430 | info.si_code = TARGET_SEGV_MAPERR; | |
1431 | break; | |
1432 | } | |
1433 | info._sifields._sigfault._addr = env->nip - 4; | |
9d2803f7 | 1434 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
67867308 | 1435 | break; |
e1833e1f | 1436 | case POWERPC_EXCP_EXTERNAL: /* External input */ |
a47dddd7 | 1437 | cpu_abort(cs, "External interrupt while in user mode. " |
e1833e1f JM |
1438 | "Aborting\n"); |
1439 | break; | |
1440 | case POWERPC_EXCP_ALIGN: /* Alignment exception */ | |
e1833e1f | 1441 | /* XXX: check this */ |
61190b14 | 1442 | info.si_signo = TARGET_SIGBUS; |
67867308 | 1443 | info.si_errno = 0; |
61190b14 | 1444 | info.si_code = TARGET_BUS_ADRALN; |
6bb9a0a9 | 1445 | info._sifields._sigfault._addr = env->nip; |
9d2803f7 | 1446 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
67867308 | 1447 | break; |
e1833e1f | 1448 | case POWERPC_EXCP_PROGRAM: /* Program exception */ |
9b2fadda | 1449 | case POWERPC_EXCP_HV_EMU: /* HV emulation */ |
e1833e1f | 1450 | /* XXX: check this */ |
61190b14 | 1451 | switch (env->error_code & ~0xF) { |
e1833e1f | 1452 | case POWERPC_EXCP_FP: |
61190b14 FB |
1453 | info.si_signo = TARGET_SIGFPE; |
1454 | info.si_errno = 0; | |
1455 | switch (env->error_code & 0xF) { | |
e1833e1f | 1456 | case POWERPC_EXCP_FP_OX: |
61190b14 FB |
1457 | info.si_code = TARGET_FPE_FLTOVF; |
1458 | break; | |
e1833e1f | 1459 | case POWERPC_EXCP_FP_UX: |
61190b14 FB |
1460 | info.si_code = TARGET_FPE_FLTUND; |
1461 | break; | |
e1833e1f JM |
1462 | case POWERPC_EXCP_FP_ZX: |
1463 | case POWERPC_EXCP_FP_VXZDZ: | |
61190b14 FB |
1464 | info.si_code = TARGET_FPE_FLTDIV; |
1465 | break; | |
e1833e1f | 1466 | case POWERPC_EXCP_FP_XX: |
61190b14 FB |
1467 | info.si_code = TARGET_FPE_FLTRES; |
1468 | break; | |
e1833e1f | 1469 | case POWERPC_EXCP_FP_VXSOFT: |
61190b14 FB |
1470 | info.si_code = TARGET_FPE_FLTINV; |
1471 | break; | |
7c58044c | 1472 | case POWERPC_EXCP_FP_VXSNAN: |
e1833e1f JM |
1473 | case POWERPC_EXCP_FP_VXISI: |
1474 | case POWERPC_EXCP_FP_VXIDI: | |
1475 | case POWERPC_EXCP_FP_VXIMZ: | |
1476 | case POWERPC_EXCP_FP_VXVC: | |
1477 | case POWERPC_EXCP_FP_VXSQRT: | |
1478 | case POWERPC_EXCP_FP_VXCVI: | |
61190b14 FB |
1479 | info.si_code = TARGET_FPE_FLTSUB; |
1480 | break; | |
1481 | default: | |
e1833e1f JM |
1482 | EXCP_DUMP(env, "Unknown floating point exception (%02x)\n", |
1483 | env->error_code); | |
1484 | break; | |
61190b14 | 1485 | } |
e1833e1f JM |
1486 | break; |
1487 | case POWERPC_EXCP_INVAL: | |
61190b14 FB |
1488 | info.si_signo = TARGET_SIGILL; |
1489 | info.si_errno = 0; | |
1490 | switch (env->error_code & 0xF) { | |
e1833e1f | 1491 | case POWERPC_EXCP_INVAL_INVAL: |
61190b14 FB |
1492 | info.si_code = TARGET_ILL_ILLOPC; |
1493 | break; | |
e1833e1f | 1494 | case POWERPC_EXCP_INVAL_LSWX: |
a750fc0b | 1495 | info.si_code = TARGET_ILL_ILLOPN; |
61190b14 | 1496 | break; |
e1833e1f | 1497 | case POWERPC_EXCP_INVAL_SPR: |
61190b14 FB |
1498 | info.si_code = TARGET_ILL_PRVREG; |
1499 | break; | |
e1833e1f | 1500 | case POWERPC_EXCP_INVAL_FP: |
61190b14 FB |
1501 | info.si_code = TARGET_ILL_COPROC; |
1502 | break; | |
1503 | default: | |
e1833e1f JM |
1504 | EXCP_DUMP(env, "Unknown invalid operation (%02x)\n", |
1505 | env->error_code & 0xF); | |
61190b14 FB |
1506 | info.si_code = TARGET_ILL_ILLADR; |
1507 | break; | |
1508 | } | |
1509 | break; | |
e1833e1f | 1510 | case POWERPC_EXCP_PRIV: |
61190b14 FB |
1511 | info.si_signo = TARGET_SIGILL; |
1512 | info.si_errno = 0; | |
1513 | switch (env->error_code & 0xF) { | |
e1833e1f | 1514 | case POWERPC_EXCP_PRIV_OPC: |
61190b14 FB |
1515 | info.si_code = TARGET_ILL_PRVOPC; |
1516 | break; | |
e1833e1f | 1517 | case POWERPC_EXCP_PRIV_REG: |
61190b14 | 1518 | info.si_code = TARGET_ILL_PRVREG; |
e1833e1f | 1519 | break; |
61190b14 | 1520 | default: |
e1833e1f JM |
1521 | EXCP_DUMP(env, "Unknown privilege violation (%02x)\n", |
1522 | env->error_code & 0xF); | |
61190b14 FB |
1523 | info.si_code = TARGET_ILL_PRVOPC; |
1524 | break; | |
1525 | } | |
1526 | break; | |
e1833e1f | 1527 | case POWERPC_EXCP_TRAP: |
a47dddd7 | 1528 | cpu_abort(cs, "Tried to call a TRAP\n"); |
e1833e1f | 1529 | break; |
61190b14 FB |
1530 | default: |
1531 | /* Should not happen ! */ | |
a47dddd7 | 1532 | cpu_abort(cs, "Unknown program exception (%02x)\n", |
e1833e1f JM |
1533 | env->error_code); |
1534 | break; | |
61190b14 | 1535 | } |
bd6fefe7 | 1536 | info._sifields._sigfault._addr = env->nip; |
9d2803f7 | 1537 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
67867308 | 1538 | break; |
e1833e1f | 1539 | case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ |
61190b14 | 1540 | info.si_signo = TARGET_SIGILL; |
67867308 | 1541 | info.si_errno = 0; |
61190b14 | 1542 | info.si_code = TARGET_ILL_COPROC; |
bd6fefe7 | 1543 | info._sifields._sigfault._addr = env->nip; |
9d2803f7 | 1544 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
67867308 | 1545 | break; |
e1833e1f | 1546 | case POWERPC_EXCP_SYSCALL: /* System call exception */ |
a47dddd7 | 1547 | cpu_abort(cs, "Syscall exception while in user mode. " |
e1833e1f | 1548 | "Aborting\n"); |
61190b14 | 1549 | break; |
e1833e1f | 1550 | case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ |
e1833e1f JM |
1551 | info.si_signo = TARGET_SIGILL; |
1552 | info.si_errno = 0; | |
1553 | info.si_code = TARGET_ILL_COPROC; | |
bd6fefe7 | 1554 | info._sifields._sigfault._addr = env->nip; |
9d2803f7 | 1555 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
61190b14 | 1556 | break; |
e1833e1f | 1557 | case POWERPC_EXCP_DECR: /* Decrementer exception */ |
a47dddd7 | 1558 | cpu_abort(cs, "Decrementer interrupt while in user mode. " |
e1833e1f | 1559 | "Aborting\n"); |
61190b14 | 1560 | break; |
e1833e1f | 1561 | case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ |
a47dddd7 | 1562 | cpu_abort(cs, "Fix interval timer interrupt while in user mode. " |
e1833e1f JM |
1563 | "Aborting\n"); |
1564 | break; | |
1565 | case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ | |
a47dddd7 | 1566 | cpu_abort(cs, "Watchdog timer interrupt while in user mode. " |
e1833e1f JM |
1567 | "Aborting\n"); |
1568 | break; | |
1569 | case POWERPC_EXCP_DTLB: /* Data TLB error */ | |
a47dddd7 | 1570 | cpu_abort(cs, "Data TLB exception while in user mode. " |
e1833e1f JM |
1571 | "Aborting\n"); |
1572 | break; | |
1573 | case POWERPC_EXCP_ITLB: /* Instruction TLB error */ | |
a47dddd7 | 1574 | cpu_abort(cs, "Instruction TLB exception while in user mode. " |
e1833e1f JM |
1575 | "Aborting\n"); |
1576 | break; | |
e1833e1f | 1577 | case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */ |
e1833e1f JM |
1578 | info.si_signo = TARGET_SIGILL; |
1579 | info.si_errno = 0; | |
1580 | info.si_code = TARGET_ILL_COPROC; | |
bd6fefe7 | 1581 | info._sifields._sigfault._addr = env->nip; |
9d2803f7 | 1582 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
e1833e1f JM |
1583 | break; |
1584 | case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */ | |
a47dddd7 | 1585 | cpu_abort(cs, "Embedded floating-point data IRQ not handled\n"); |
e1833e1f JM |
1586 | break; |
1587 | case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ | |
a47dddd7 | 1588 | cpu_abort(cs, "Embedded floating-point round IRQ not handled\n"); |
e1833e1f JM |
1589 | break; |
1590 | case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ | |
a47dddd7 | 1591 | cpu_abort(cs, "Performance monitor exception not handled\n"); |
e1833e1f JM |
1592 | break; |
1593 | case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ | |
a47dddd7 | 1594 | cpu_abort(cs, "Doorbell interrupt while in user mode. " |
e1833e1f JM |
1595 | "Aborting\n"); |
1596 | break; | |
1597 | case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ | |
a47dddd7 | 1598 | cpu_abort(cs, "Doorbell critical interrupt while in user mode. " |
e1833e1f JM |
1599 | "Aborting\n"); |
1600 | break; | |
1601 | case POWERPC_EXCP_RESET: /* System reset exception */ | |
a47dddd7 | 1602 | cpu_abort(cs, "Reset interrupt while in user mode. " |
e1833e1f JM |
1603 | "Aborting\n"); |
1604 | break; | |
e1833e1f | 1605 | case POWERPC_EXCP_DSEG: /* Data segment exception */ |
a47dddd7 | 1606 | cpu_abort(cs, "Data segment exception while in user mode. " |
e1833e1f JM |
1607 | "Aborting\n"); |
1608 | break; | |
1609 | case POWERPC_EXCP_ISEG: /* Instruction segment exception */ | |
a47dddd7 | 1610 | cpu_abort(cs, "Instruction segment exception " |
e1833e1f JM |
1611 | "while in user mode. Aborting\n"); |
1612 | break; | |
e85e7c6e | 1613 | /* PowerPC 64 with hypervisor mode support */ |
e1833e1f | 1614 | case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ |
a47dddd7 | 1615 | cpu_abort(cs, "Hypervisor decrementer interrupt " |
e1833e1f JM |
1616 | "while in user mode. Aborting\n"); |
1617 | break; | |
e1833e1f JM |
1618 | case POWERPC_EXCP_TRACE: /* Trace exception */ |
1619 | /* Nothing to do: | |
1620 | * we use this exception to emulate step-by-step execution mode. | |
1621 | */ | |
1622 | break; | |
e85e7c6e | 1623 | /* PowerPC 64 with hypervisor mode support */ |
e1833e1f | 1624 | case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ |
a47dddd7 | 1625 | cpu_abort(cs, "Hypervisor data storage exception " |
e1833e1f JM |
1626 | "while in user mode. Aborting\n"); |
1627 | break; | |
1628 | case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ | |
a47dddd7 | 1629 | cpu_abort(cs, "Hypervisor instruction storage exception " |
e1833e1f JM |
1630 | "while in user mode. Aborting\n"); |
1631 | break; | |
1632 | case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ | |
a47dddd7 | 1633 | cpu_abort(cs, "Hypervisor data segment exception " |
e1833e1f JM |
1634 | "while in user mode. Aborting\n"); |
1635 | break; | |
1636 | case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ | |
a47dddd7 | 1637 | cpu_abort(cs, "Hypervisor instruction segment exception " |
e1833e1f JM |
1638 | "while in user mode. Aborting\n"); |
1639 | break; | |
e1833e1f | 1640 | case POWERPC_EXCP_VPU: /* Vector unavailable exception */ |
e1833e1f JM |
1641 | info.si_signo = TARGET_SIGILL; |
1642 | info.si_errno = 0; | |
1643 | info.si_code = TARGET_ILL_COPROC; | |
bd6fefe7 | 1644 | info._sifields._sigfault._addr = env->nip; |
9d2803f7 | 1645 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
e1833e1f JM |
1646 | break; |
1647 | case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */ | |
a47dddd7 | 1648 | cpu_abort(cs, "Programmable interval timer interrupt " |
e1833e1f JM |
1649 | "while in user mode. Aborting\n"); |
1650 | break; | |
1651 | case POWERPC_EXCP_IO: /* IO error exception */ | |
a47dddd7 | 1652 | cpu_abort(cs, "IO error exception while in user mode. " |
e1833e1f JM |
1653 | "Aborting\n"); |
1654 | break; | |
1655 | case POWERPC_EXCP_RUNM: /* Run mode exception */ | |
a47dddd7 | 1656 | cpu_abort(cs, "Run mode exception while in user mode. " |
e1833e1f JM |
1657 | "Aborting\n"); |
1658 | break; | |
1659 | case POWERPC_EXCP_EMUL: /* Emulation trap exception */ | |
a47dddd7 | 1660 | cpu_abort(cs, "Emulation trap exception not handled\n"); |
e1833e1f JM |
1661 | break; |
1662 | case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ | |
a47dddd7 | 1663 | cpu_abort(cs, "Instruction fetch TLB exception " |
e1833e1f JM |
1664 | "while in user-mode. Aborting"); |
1665 | break; | |
1666 | case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ | |
a47dddd7 | 1667 | cpu_abort(cs, "Data load TLB exception while in user-mode. " |
e1833e1f JM |
1668 | "Aborting"); |
1669 | break; | |
1670 | case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ | |
a47dddd7 | 1671 | cpu_abort(cs, "Data store TLB exception while in user-mode. " |
e1833e1f JM |
1672 | "Aborting"); |
1673 | break; | |
1674 | case POWERPC_EXCP_FPA: /* Floating-point assist exception */ | |
a47dddd7 | 1675 | cpu_abort(cs, "Floating-point assist exception not handled\n"); |
e1833e1f JM |
1676 | break; |
1677 | case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ | |
a47dddd7 | 1678 | cpu_abort(cs, "Instruction address breakpoint exception " |
e1833e1f JM |
1679 | "not handled\n"); |
1680 | break; | |
1681 | case POWERPC_EXCP_SMI: /* System management interrupt */ | |
a47dddd7 | 1682 | cpu_abort(cs, "System management interrupt while in user mode. " |
e1833e1f JM |
1683 | "Aborting\n"); |
1684 | break; | |
1685 | case POWERPC_EXCP_THERM: /* Thermal interrupt */ | |
a47dddd7 | 1686 | cpu_abort(cs, "Thermal interrupt interrupt while in user mode. " |
e1833e1f JM |
1687 | "Aborting\n"); |
1688 | break; | |
1689 | case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ | |
a47dddd7 | 1690 | cpu_abort(cs, "Performance monitor exception not handled\n"); |
e1833e1f JM |
1691 | break; |
1692 | case POWERPC_EXCP_VPUA: /* Vector assist exception */ | |
a47dddd7 | 1693 | cpu_abort(cs, "Vector assist exception not handled\n"); |
e1833e1f JM |
1694 | break; |
1695 | case POWERPC_EXCP_SOFTP: /* Soft patch exception */ | |
a47dddd7 | 1696 | cpu_abort(cs, "Soft patch exception not handled\n"); |
e1833e1f JM |
1697 | break; |
1698 | case POWERPC_EXCP_MAINT: /* Maintenance exception */ | |
a47dddd7 | 1699 | cpu_abort(cs, "Maintenance exception while in user mode. " |
e1833e1f JM |
1700 | "Aborting\n"); |
1701 | break; | |
1702 | case POWERPC_EXCP_STOP: /* stop translation */ | |
1703 | /* We did invalidate the instruction cache. Go on */ | |
1704 | break; | |
1705 | case POWERPC_EXCP_BRANCH: /* branch instruction: */ | |
1706 | /* We just stopped because of a branch. Go on */ | |
1707 | break; | |
1708 | case POWERPC_EXCP_SYSCALL_USER: | |
1709 | /* system call in user-mode emulation */ | |
1710 | /* WARNING: | |
1711 | * PPC ABI uses overflow flag in cr0 to signal an error | |
1712 | * in syscalls. | |
1713 | */ | |
e1833e1f JM |
1714 | env->crf[0] &= ~0x1; |
1715 | ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], | |
1716 | env->gpr[5], env->gpr[6], env->gpr[7], | |
5945cfcb | 1717 | env->gpr[8], 0, 0); |
6db9d00e | 1718 | if (ret == -TARGET_ERESTARTSYS) { |
6db9d00e TB |
1719 | break; |
1720 | } | |
9e0e2f96 | 1721 | if (ret == (target_ulong)(-TARGET_QEMU_ESIGRETURN)) { |
bcd4933a NF |
1722 | /* Returning from a successful sigreturn syscall. |
1723 | Avoid corrupting register state. */ | |
1724 | break; | |
1725 | } | |
95cda4c4 | 1726 | env->nip += 4; |
9e0e2f96 | 1727 | if (ret > (target_ulong)(-515)) { |
e1833e1f JM |
1728 | env->crf[0] |= 0x1; |
1729 | ret = -ret; | |
61190b14 | 1730 | } |
e1833e1f | 1731 | env->gpr[3] = ret; |
e1833e1f | 1732 | break; |
56f066bb NF |
1733 | case POWERPC_EXCP_STCX: |
1734 | if (do_store_exclusive(env)) { | |
1735 | info.si_signo = TARGET_SIGSEGV; | |
1736 | info.si_errno = 0; | |
1737 | info.si_code = TARGET_SEGV_MAPERR; | |
1738 | info._sifields._sigfault._addr = env->nip; | |
9d2803f7 | 1739 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
56f066bb NF |
1740 | } |
1741 | break; | |
71f75756 AJ |
1742 | case EXCP_DEBUG: |
1743 | { | |
1744 | int sig; | |
1745 | ||
db6b81d4 | 1746 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
71f75756 AJ |
1747 | if (sig) { |
1748 | info.si_signo = sig; | |
1749 | info.si_errno = 0; | |
1750 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 1751 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
71f75756 AJ |
1752 | } |
1753 | } | |
1754 | break; | |
56ba31ff JM |
1755 | case EXCP_INTERRUPT: |
1756 | /* just indicate that signals should be handled asap */ | |
1757 | break; | |
fdbc2b57 RH |
1758 | case EXCP_ATOMIC: |
1759 | cpu_exec_step_atomic(cs); | |
1760 | break; | |
e1833e1f | 1761 | default: |
8223f345 | 1762 | cpu_abort(cs, "Unknown exception 0x%x. Aborting\n", trapnr); |
e1833e1f | 1763 | break; |
67867308 FB |
1764 | } |
1765 | process_pending_signals(env); | |
1766 | } | |
1767 | } | |
1768 | #endif | |
1769 | ||
048f6b4d FB |
1770 | #ifdef TARGET_MIPS |
1771 | ||
ff4f7382 RH |
1772 | # ifdef TARGET_ABI_MIPSO32 |
1773 | # define MIPS_SYS(name, args) args, | |
048f6b4d | 1774 | static const uint8_t mips_syscall_args[] = { |
29fb0f25 | 1775 | MIPS_SYS(sys_syscall , 8) /* 4000 */ |
048f6b4d FB |
1776 | MIPS_SYS(sys_exit , 1) |
1777 | MIPS_SYS(sys_fork , 0) | |
1778 | MIPS_SYS(sys_read , 3) | |
1779 | MIPS_SYS(sys_write , 3) | |
1780 | MIPS_SYS(sys_open , 3) /* 4005 */ | |
1781 | MIPS_SYS(sys_close , 1) | |
1782 | MIPS_SYS(sys_waitpid , 3) | |
1783 | MIPS_SYS(sys_creat , 2) | |
1784 | MIPS_SYS(sys_link , 2) | |
1785 | MIPS_SYS(sys_unlink , 1) /* 4010 */ | |
1786 | MIPS_SYS(sys_execve , 0) | |
1787 | MIPS_SYS(sys_chdir , 1) | |
1788 | MIPS_SYS(sys_time , 1) | |
1789 | MIPS_SYS(sys_mknod , 3) | |
1790 | MIPS_SYS(sys_chmod , 2) /* 4015 */ | |
1791 | MIPS_SYS(sys_lchown , 3) | |
1792 | MIPS_SYS(sys_ni_syscall , 0) | |
1793 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ | |
1794 | MIPS_SYS(sys_lseek , 3) | |
1795 | MIPS_SYS(sys_getpid , 0) /* 4020 */ | |
1796 | MIPS_SYS(sys_mount , 5) | |
868e34d7 | 1797 | MIPS_SYS(sys_umount , 1) |
048f6b4d FB |
1798 | MIPS_SYS(sys_setuid , 1) |
1799 | MIPS_SYS(sys_getuid , 0) | |
1800 | MIPS_SYS(sys_stime , 1) /* 4025 */ | |
1801 | MIPS_SYS(sys_ptrace , 4) | |
1802 | MIPS_SYS(sys_alarm , 1) | |
1803 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ | |
1804 | MIPS_SYS(sys_pause , 0) | |
1805 | MIPS_SYS(sys_utime , 2) /* 4030 */ | |
1806 | MIPS_SYS(sys_ni_syscall , 0) | |
1807 | MIPS_SYS(sys_ni_syscall , 0) | |
1808 | MIPS_SYS(sys_access , 2) | |
1809 | MIPS_SYS(sys_nice , 1) | |
1810 | MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ | |
1811 | MIPS_SYS(sys_sync , 0) | |
1812 | MIPS_SYS(sys_kill , 2) | |
1813 | MIPS_SYS(sys_rename , 2) | |
1814 | MIPS_SYS(sys_mkdir , 2) | |
1815 | MIPS_SYS(sys_rmdir , 1) /* 4040 */ | |
1816 | MIPS_SYS(sys_dup , 1) | |
1817 | MIPS_SYS(sys_pipe , 0) | |
1818 | MIPS_SYS(sys_times , 1) | |
1819 | MIPS_SYS(sys_ni_syscall , 0) | |
1820 | MIPS_SYS(sys_brk , 1) /* 4045 */ | |
1821 | MIPS_SYS(sys_setgid , 1) | |
1822 | MIPS_SYS(sys_getgid , 0) | |
1823 | MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ | |
1824 | MIPS_SYS(sys_geteuid , 0) | |
1825 | MIPS_SYS(sys_getegid , 0) /* 4050 */ | |
1826 | MIPS_SYS(sys_acct , 0) | |
868e34d7 | 1827 | MIPS_SYS(sys_umount2 , 2) |
048f6b4d FB |
1828 | MIPS_SYS(sys_ni_syscall , 0) |
1829 | MIPS_SYS(sys_ioctl , 3) | |
1830 | MIPS_SYS(sys_fcntl , 3) /* 4055 */ | |
1831 | MIPS_SYS(sys_ni_syscall , 2) | |
1832 | MIPS_SYS(sys_setpgid , 2) | |
1833 | MIPS_SYS(sys_ni_syscall , 0) | |
1834 | MIPS_SYS(sys_olduname , 1) | |
1835 | MIPS_SYS(sys_umask , 1) /* 4060 */ | |
1836 | MIPS_SYS(sys_chroot , 1) | |
1837 | MIPS_SYS(sys_ustat , 2) | |
1838 | MIPS_SYS(sys_dup2 , 2) | |
1839 | MIPS_SYS(sys_getppid , 0) | |
1840 | MIPS_SYS(sys_getpgrp , 0) /* 4065 */ | |
1841 | MIPS_SYS(sys_setsid , 0) | |
1842 | MIPS_SYS(sys_sigaction , 3) | |
1843 | MIPS_SYS(sys_sgetmask , 0) | |
1844 | MIPS_SYS(sys_ssetmask , 1) | |
1845 | MIPS_SYS(sys_setreuid , 2) /* 4070 */ | |
1846 | MIPS_SYS(sys_setregid , 2) | |
1847 | MIPS_SYS(sys_sigsuspend , 0) | |
1848 | MIPS_SYS(sys_sigpending , 1) | |
1849 | MIPS_SYS(sys_sethostname , 2) | |
1850 | MIPS_SYS(sys_setrlimit , 2) /* 4075 */ | |
1851 | MIPS_SYS(sys_getrlimit , 2) | |
1852 | MIPS_SYS(sys_getrusage , 2) | |
1853 | MIPS_SYS(sys_gettimeofday, 2) | |
1854 | MIPS_SYS(sys_settimeofday, 2) | |
1855 | MIPS_SYS(sys_getgroups , 2) /* 4080 */ | |
1856 | MIPS_SYS(sys_setgroups , 2) | |
1857 | MIPS_SYS(sys_ni_syscall , 0) /* old_select */ | |
1858 | MIPS_SYS(sys_symlink , 2) | |
1859 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ | |
1860 | MIPS_SYS(sys_readlink , 3) /* 4085 */ | |
1861 | MIPS_SYS(sys_uselib , 1) | |
1862 | MIPS_SYS(sys_swapon , 2) | |
1863 | MIPS_SYS(sys_reboot , 3) | |
1864 | MIPS_SYS(old_readdir , 3) | |
1865 | MIPS_SYS(old_mmap , 6) /* 4090 */ | |
1866 | MIPS_SYS(sys_munmap , 2) | |
1867 | MIPS_SYS(sys_truncate , 2) | |
1868 | MIPS_SYS(sys_ftruncate , 2) | |
1869 | MIPS_SYS(sys_fchmod , 2) | |
1870 | MIPS_SYS(sys_fchown , 3) /* 4095 */ | |
1871 | MIPS_SYS(sys_getpriority , 2) | |
1872 | MIPS_SYS(sys_setpriority , 3) | |
1873 | MIPS_SYS(sys_ni_syscall , 0) | |
1874 | MIPS_SYS(sys_statfs , 2) | |
1875 | MIPS_SYS(sys_fstatfs , 2) /* 4100 */ | |
1876 | MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ | |
1877 | MIPS_SYS(sys_socketcall , 2) | |
1878 | MIPS_SYS(sys_syslog , 3) | |
1879 | MIPS_SYS(sys_setitimer , 3) | |
1880 | MIPS_SYS(sys_getitimer , 2) /* 4105 */ | |
1881 | MIPS_SYS(sys_newstat , 2) | |
1882 | MIPS_SYS(sys_newlstat , 2) | |
1883 | MIPS_SYS(sys_newfstat , 2) | |
1884 | MIPS_SYS(sys_uname , 1) | |
1885 | MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ | |
1886 | MIPS_SYS(sys_vhangup , 0) | |
1887 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ | |
1888 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ | |
1889 | MIPS_SYS(sys_wait4 , 4) | |
1890 | MIPS_SYS(sys_swapoff , 1) /* 4115 */ | |
1891 | MIPS_SYS(sys_sysinfo , 1) | |
1892 | MIPS_SYS(sys_ipc , 6) | |
1893 | MIPS_SYS(sys_fsync , 1) | |
1894 | MIPS_SYS(sys_sigreturn , 0) | |
18113962 | 1895 | MIPS_SYS(sys_clone , 6) /* 4120 */ |
048f6b4d FB |
1896 | MIPS_SYS(sys_setdomainname, 2) |
1897 | MIPS_SYS(sys_newuname , 1) | |
1898 | MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ | |
1899 | MIPS_SYS(sys_adjtimex , 1) | |
1900 | MIPS_SYS(sys_mprotect , 3) /* 4125 */ | |
1901 | MIPS_SYS(sys_sigprocmask , 3) | |
1902 | MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ | |
1903 | MIPS_SYS(sys_init_module , 5) | |
1904 | MIPS_SYS(sys_delete_module, 1) | |
1905 | MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ | |
1906 | MIPS_SYS(sys_quotactl , 0) | |
1907 | MIPS_SYS(sys_getpgid , 1) | |
1908 | MIPS_SYS(sys_fchdir , 1) | |
1909 | MIPS_SYS(sys_bdflush , 2) | |
1910 | MIPS_SYS(sys_sysfs , 3) /* 4135 */ | |
1911 | MIPS_SYS(sys_personality , 1) | |
1912 | MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ | |
1913 | MIPS_SYS(sys_setfsuid , 1) | |
1914 | MIPS_SYS(sys_setfsgid , 1) | |
1915 | MIPS_SYS(sys_llseek , 5) /* 4140 */ | |
1916 | MIPS_SYS(sys_getdents , 3) | |
1917 | MIPS_SYS(sys_select , 5) | |
1918 | MIPS_SYS(sys_flock , 2) | |
1919 | MIPS_SYS(sys_msync , 3) | |
1920 | MIPS_SYS(sys_readv , 3) /* 4145 */ | |
1921 | MIPS_SYS(sys_writev , 3) | |
1922 | MIPS_SYS(sys_cacheflush , 3) | |
1923 | MIPS_SYS(sys_cachectl , 3) | |
1924 | MIPS_SYS(sys_sysmips , 4) | |
1925 | MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ | |
1926 | MIPS_SYS(sys_getsid , 1) | |
1927 | MIPS_SYS(sys_fdatasync , 0) | |
1928 | MIPS_SYS(sys_sysctl , 1) | |
1929 | MIPS_SYS(sys_mlock , 2) | |
1930 | MIPS_SYS(sys_munlock , 2) /* 4155 */ | |
1931 | MIPS_SYS(sys_mlockall , 1) | |
1932 | MIPS_SYS(sys_munlockall , 0) | |
1933 | MIPS_SYS(sys_sched_setparam, 2) | |
1934 | MIPS_SYS(sys_sched_getparam, 2) | |
1935 | MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ | |
1936 | MIPS_SYS(sys_sched_getscheduler, 1) | |
1937 | MIPS_SYS(sys_sched_yield , 0) | |
1938 | MIPS_SYS(sys_sched_get_priority_max, 1) | |
1939 | MIPS_SYS(sys_sched_get_priority_min, 1) | |
1940 | MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ | |
1941 | MIPS_SYS(sys_nanosleep, 2) | |
b0932e06 | 1942 | MIPS_SYS(sys_mremap , 5) |
048f6b4d FB |
1943 | MIPS_SYS(sys_accept , 3) |
1944 | MIPS_SYS(sys_bind , 3) | |
1945 | MIPS_SYS(sys_connect , 3) /* 4170 */ | |
1946 | MIPS_SYS(sys_getpeername , 3) | |
1947 | MIPS_SYS(sys_getsockname , 3) | |
1948 | MIPS_SYS(sys_getsockopt , 5) | |
1949 | MIPS_SYS(sys_listen , 2) | |
1950 | MIPS_SYS(sys_recv , 4) /* 4175 */ | |
1951 | MIPS_SYS(sys_recvfrom , 6) | |
1952 | MIPS_SYS(sys_recvmsg , 3) | |
1953 | MIPS_SYS(sys_send , 4) | |
1954 | MIPS_SYS(sys_sendmsg , 3) | |
1955 | MIPS_SYS(sys_sendto , 6) /* 4180 */ | |
1956 | MIPS_SYS(sys_setsockopt , 5) | |
1957 | MIPS_SYS(sys_shutdown , 2) | |
1958 | MIPS_SYS(sys_socket , 3) | |
1959 | MIPS_SYS(sys_socketpair , 4) | |
1960 | MIPS_SYS(sys_setresuid , 3) /* 4185 */ | |
1961 | MIPS_SYS(sys_getresuid , 3) | |
1962 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ | |
1963 | MIPS_SYS(sys_poll , 3) | |
1964 | MIPS_SYS(sys_nfsservctl , 3) | |
1965 | MIPS_SYS(sys_setresgid , 3) /* 4190 */ | |
1966 | MIPS_SYS(sys_getresgid , 3) | |
1967 | MIPS_SYS(sys_prctl , 5) | |
1968 | MIPS_SYS(sys_rt_sigreturn, 0) | |
1969 | MIPS_SYS(sys_rt_sigaction, 4) | |
1970 | MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ | |
1971 | MIPS_SYS(sys_rt_sigpending, 2) | |
1972 | MIPS_SYS(sys_rt_sigtimedwait, 4) | |
1973 | MIPS_SYS(sys_rt_sigqueueinfo, 3) | |
1974 | MIPS_SYS(sys_rt_sigsuspend, 0) | |
1975 | MIPS_SYS(sys_pread64 , 6) /* 4200 */ | |
1976 | MIPS_SYS(sys_pwrite64 , 6) | |
1977 | MIPS_SYS(sys_chown , 3) | |
1978 | MIPS_SYS(sys_getcwd , 2) | |
1979 | MIPS_SYS(sys_capget , 2) | |
1980 | MIPS_SYS(sys_capset , 2) /* 4205 */ | |
053ebb27 | 1981 | MIPS_SYS(sys_sigaltstack , 2) |
048f6b4d FB |
1982 | MIPS_SYS(sys_sendfile , 4) |
1983 | MIPS_SYS(sys_ni_syscall , 0) | |
1984 | MIPS_SYS(sys_ni_syscall , 0) | |
1985 | MIPS_SYS(sys_mmap2 , 6) /* 4210 */ | |
1986 | MIPS_SYS(sys_truncate64 , 4) | |
1987 | MIPS_SYS(sys_ftruncate64 , 4) | |
1988 | MIPS_SYS(sys_stat64 , 2) | |
1989 | MIPS_SYS(sys_lstat64 , 2) | |
1990 | MIPS_SYS(sys_fstat64 , 2) /* 4215 */ | |
1991 | MIPS_SYS(sys_pivot_root , 2) | |
1992 | MIPS_SYS(sys_mincore , 3) | |
1993 | MIPS_SYS(sys_madvise , 3) | |
1994 | MIPS_SYS(sys_getdents64 , 3) | |
1995 | MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ | |
1996 | MIPS_SYS(sys_ni_syscall , 0) | |
1997 | MIPS_SYS(sys_gettid , 0) | |
1998 | MIPS_SYS(sys_readahead , 5) | |
1999 | MIPS_SYS(sys_setxattr , 5) | |
2000 | MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ | |
2001 | MIPS_SYS(sys_fsetxattr , 5) | |
2002 | MIPS_SYS(sys_getxattr , 4) | |
2003 | MIPS_SYS(sys_lgetxattr , 4) | |
2004 | MIPS_SYS(sys_fgetxattr , 4) | |
2005 | MIPS_SYS(sys_listxattr , 3) /* 4230 */ | |
2006 | MIPS_SYS(sys_llistxattr , 3) | |
2007 | MIPS_SYS(sys_flistxattr , 3) | |
2008 | MIPS_SYS(sys_removexattr , 2) | |
2009 | MIPS_SYS(sys_lremovexattr, 2) | |
2010 | MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ | |
2011 | MIPS_SYS(sys_tkill , 2) | |
2012 | MIPS_SYS(sys_sendfile64 , 5) | |
43be1343 | 2013 | MIPS_SYS(sys_futex , 6) |
048f6b4d FB |
2014 | MIPS_SYS(sys_sched_setaffinity, 3) |
2015 | MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ | |
2016 | MIPS_SYS(sys_io_setup , 2) | |
2017 | MIPS_SYS(sys_io_destroy , 1) | |
2018 | MIPS_SYS(sys_io_getevents, 5) | |
2019 | MIPS_SYS(sys_io_submit , 3) | |
2020 | MIPS_SYS(sys_io_cancel , 3) /* 4245 */ | |
2021 | MIPS_SYS(sys_exit_group , 1) | |
2022 | MIPS_SYS(sys_lookup_dcookie, 3) | |
2023 | MIPS_SYS(sys_epoll_create, 1) | |
2024 | MIPS_SYS(sys_epoll_ctl , 4) | |
2025 | MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ | |
2026 | MIPS_SYS(sys_remap_file_pages, 5) | |
2027 | MIPS_SYS(sys_set_tid_address, 1) | |
2028 | MIPS_SYS(sys_restart_syscall, 0) | |
2029 | MIPS_SYS(sys_fadvise64_64, 7) | |
2030 | MIPS_SYS(sys_statfs64 , 3) /* 4255 */ | |
2031 | MIPS_SYS(sys_fstatfs64 , 2) | |
2032 | MIPS_SYS(sys_timer_create, 3) | |
2033 | MIPS_SYS(sys_timer_settime, 4) | |
2034 | MIPS_SYS(sys_timer_gettime, 2) | |
2035 | MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ | |
2036 | MIPS_SYS(sys_timer_delete, 1) | |
2037 | MIPS_SYS(sys_clock_settime, 2) | |
2038 | MIPS_SYS(sys_clock_gettime, 2) | |
2039 | MIPS_SYS(sys_clock_getres, 2) | |
2040 | MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ | |
2041 | MIPS_SYS(sys_tgkill , 3) | |
2042 | MIPS_SYS(sys_utimes , 2) | |
2043 | MIPS_SYS(sys_mbind , 4) | |
2044 | MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ | |
2045 | MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ | |
2046 | MIPS_SYS(sys_mq_open , 4) | |
2047 | MIPS_SYS(sys_mq_unlink , 1) | |
2048 | MIPS_SYS(sys_mq_timedsend, 5) | |
2049 | MIPS_SYS(sys_mq_timedreceive, 5) | |
2050 | MIPS_SYS(sys_mq_notify , 2) /* 4275 */ | |
2051 | MIPS_SYS(sys_mq_getsetattr, 3) | |
2052 | MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ | |
2053 | MIPS_SYS(sys_waitid , 4) | |
2054 | MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ | |
2055 | MIPS_SYS(sys_add_key , 5) | |
388bb21a | 2056 | MIPS_SYS(sys_request_key, 4) |
048f6b4d | 2057 | MIPS_SYS(sys_keyctl , 5) |
6f5b89a0 | 2058 | MIPS_SYS(sys_set_thread_area, 1) |
388bb21a TS |
2059 | MIPS_SYS(sys_inotify_init, 0) |
2060 | MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */ | |
2061 | MIPS_SYS(sys_inotify_rm_watch, 2) | |
2062 | MIPS_SYS(sys_migrate_pages, 4) | |
2063 | MIPS_SYS(sys_openat, 4) | |
2064 | MIPS_SYS(sys_mkdirat, 3) | |
2065 | MIPS_SYS(sys_mknodat, 4) /* 4290 */ | |
2066 | MIPS_SYS(sys_fchownat, 5) | |
2067 | MIPS_SYS(sys_futimesat, 3) | |
2068 | MIPS_SYS(sys_fstatat64, 4) | |
2069 | MIPS_SYS(sys_unlinkat, 3) | |
2070 | MIPS_SYS(sys_renameat, 4) /* 4295 */ | |
2071 | MIPS_SYS(sys_linkat, 5) | |
2072 | MIPS_SYS(sys_symlinkat, 3) | |
2073 | MIPS_SYS(sys_readlinkat, 4) | |
2074 | MIPS_SYS(sys_fchmodat, 3) | |
2075 | MIPS_SYS(sys_faccessat, 3) /* 4300 */ | |
2076 | MIPS_SYS(sys_pselect6, 6) | |
2077 | MIPS_SYS(sys_ppoll, 5) | |
2078 | MIPS_SYS(sys_unshare, 1) | |
b0932e06 | 2079 | MIPS_SYS(sys_splice, 6) |
388bb21a TS |
2080 | MIPS_SYS(sys_sync_file_range, 7) /* 4305 */ |
2081 | MIPS_SYS(sys_tee, 4) | |
2082 | MIPS_SYS(sys_vmsplice, 4) | |
2083 | MIPS_SYS(sys_move_pages, 6) | |
2084 | MIPS_SYS(sys_set_robust_list, 2) | |
2085 | MIPS_SYS(sys_get_robust_list, 3) /* 4310 */ | |
2086 | MIPS_SYS(sys_kexec_load, 4) | |
2087 | MIPS_SYS(sys_getcpu, 3) | |
2088 | MIPS_SYS(sys_epoll_pwait, 6) | |
2089 | MIPS_SYS(sys_ioprio_set, 3) | |
2090 | MIPS_SYS(sys_ioprio_get, 2) | |
d979e8eb PM |
2091 | MIPS_SYS(sys_utimensat, 4) |
2092 | MIPS_SYS(sys_signalfd, 3) | |
2093 | MIPS_SYS(sys_ni_syscall, 0) /* was timerfd */ | |
2094 | MIPS_SYS(sys_eventfd, 1) | |
2095 | MIPS_SYS(sys_fallocate, 6) /* 4320 */ | |
2096 | MIPS_SYS(sys_timerfd_create, 2) | |
2097 | MIPS_SYS(sys_timerfd_gettime, 2) | |
2098 | MIPS_SYS(sys_timerfd_settime, 4) | |
2099 | MIPS_SYS(sys_signalfd4, 4) | |
2100 | MIPS_SYS(sys_eventfd2, 2) /* 4325 */ | |
2101 | MIPS_SYS(sys_epoll_create1, 1) | |
2102 | MIPS_SYS(sys_dup3, 3) | |
2103 | MIPS_SYS(sys_pipe2, 2) | |
2104 | MIPS_SYS(sys_inotify_init1, 1) | |
2e6eeb67 AM |
2105 | MIPS_SYS(sys_preadv, 5) /* 4330 */ |
2106 | MIPS_SYS(sys_pwritev, 5) | |
d979e8eb PM |
2107 | MIPS_SYS(sys_rt_tgsigqueueinfo, 4) |
2108 | MIPS_SYS(sys_perf_event_open, 5) | |
2109 | MIPS_SYS(sys_accept4, 4) | |
2110 | MIPS_SYS(sys_recvmmsg, 5) /* 4335 */ | |
2111 | MIPS_SYS(sys_fanotify_init, 2) | |
2112 | MIPS_SYS(sys_fanotify_mark, 6) | |
2113 | MIPS_SYS(sys_prlimit64, 4) | |
2114 | MIPS_SYS(sys_name_to_handle_at, 5) | |
2115 | MIPS_SYS(sys_open_by_handle_at, 3) /* 4340 */ | |
2116 | MIPS_SYS(sys_clock_adjtime, 2) | |
2117 | MIPS_SYS(sys_syncfs, 1) | |
2e6eeb67 AM |
2118 | MIPS_SYS(sys_sendmmsg, 4) |
2119 | MIPS_SYS(sys_setns, 2) | |
2120 | MIPS_SYS(sys_process_vm_readv, 6) /* 345 */ | |
2121 | MIPS_SYS(sys_process_vm_writev, 6) | |
2122 | MIPS_SYS(sys_kcmp, 5) | |
2123 | MIPS_SYS(sys_finit_module, 3) | |
2124 | MIPS_SYS(sys_sched_setattr, 2) | |
2125 | MIPS_SYS(sys_sched_getattr, 3) /* 350 */ | |
2126 | MIPS_SYS(sys_renameat2, 5) | |
2127 | MIPS_SYS(sys_seccomp, 3) | |
2128 | MIPS_SYS(sys_getrandom, 3) | |
2129 | MIPS_SYS(sys_memfd_create, 2) | |
2130 | MIPS_SYS(sys_bpf, 3) /* 355 */ | |
2131 | MIPS_SYS(sys_execveat, 5) | |
2132 | MIPS_SYS(sys_userfaultfd, 1) | |
2133 | MIPS_SYS(sys_membarrier, 2) | |
2134 | MIPS_SYS(sys_mlock2, 3) | |
2135 | MIPS_SYS(sys_copy_file_range, 6) /* 360 */ | |
2136 | MIPS_SYS(sys_preadv2, 6) | |
2137 | MIPS_SYS(sys_pwritev2, 6) | |
048f6b4d | 2138 | }; |
ff4f7382 RH |
2139 | # undef MIPS_SYS |
2140 | # endif /* O32 */ | |
048f6b4d | 2141 | |
590bc601 PB |
2142 | static int do_store_exclusive(CPUMIPSState *env) |
2143 | { | |
2144 | target_ulong addr; | |
2145 | target_ulong page_addr; | |
2146 | target_ulong val; | |
2147 | int flags; | |
2148 | int segv = 0; | |
2149 | int reg; | |
2150 | int d; | |
2151 | ||
5499b6ff | 2152 | addr = env->lladdr; |
590bc601 PB |
2153 | page_addr = addr & TARGET_PAGE_MASK; |
2154 | start_exclusive(); | |
2155 | mmap_lock(); | |
2156 | flags = page_get_flags(page_addr); | |
2157 | if ((flags & PAGE_READ) == 0) { | |
2158 | segv = 1; | |
2159 | } else { | |
2160 | reg = env->llreg & 0x1f; | |
2161 | d = (env->llreg & 0x20) != 0; | |
2162 | if (d) { | |
2163 | segv = get_user_s64(val, addr); | |
2164 | } else { | |
2165 | segv = get_user_s32(val, addr); | |
2166 | } | |
2167 | if (!segv) { | |
2168 | if (val != env->llval) { | |
2169 | env->active_tc.gpr[reg] = 0; | |
2170 | } else { | |
2171 | if (d) { | |
2172 | segv = put_user_u64(env->llnewval, addr); | |
2173 | } else { | |
2174 | segv = put_user_u32(env->llnewval, addr); | |
2175 | } | |
2176 | if (!segv) { | |
2177 | env->active_tc.gpr[reg] = 1; | |
2178 | } | |
2179 | } | |
2180 | } | |
2181 | } | |
5499b6ff | 2182 | env->lladdr = -1; |
590bc601 PB |
2183 | if (!segv) { |
2184 | env->active_tc.PC += 4; | |
2185 | } | |
2186 | mmap_unlock(); | |
2187 | end_exclusive(); | |
2188 | return segv; | |
2189 | } | |
2190 | ||
54b2f42c MI |
2191 | /* Break codes */ |
2192 | enum { | |
2193 | BRK_OVERFLOW = 6, | |
2194 | BRK_DIVZERO = 7 | |
2195 | }; | |
2196 | ||
2197 | static int do_break(CPUMIPSState *env, target_siginfo_t *info, | |
2198 | unsigned int code) | |
2199 | { | |
2200 | int ret = -1; | |
2201 | ||
2202 | switch (code) { | |
2203 | case BRK_OVERFLOW: | |
2204 | case BRK_DIVZERO: | |
2205 | info->si_signo = TARGET_SIGFPE; | |
2206 | info->si_errno = 0; | |
2207 | info->si_code = (code == BRK_OVERFLOW) ? FPE_INTOVF : FPE_INTDIV; | |
9d2803f7 | 2208 | queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); |
54b2f42c MI |
2209 | ret = 0; |
2210 | break; | |
2211 | default: | |
b51910ba PJ |
2212 | info->si_signo = TARGET_SIGTRAP; |
2213 | info->si_errno = 0; | |
9d2803f7 | 2214 | queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); |
b51910ba | 2215 | ret = 0; |
54b2f42c MI |
2216 | break; |
2217 | } | |
2218 | ||
2219 | return ret; | |
2220 | } | |
2221 | ||
048f6b4d FB |
2222 | void cpu_loop(CPUMIPSState *env) |
2223 | { | |
0315c31c | 2224 | CPUState *cs = CPU(mips_env_get_cpu(env)); |
c227f099 | 2225 | target_siginfo_t info; |
ff4f7382 RH |
2226 | int trapnr; |
2227 | abi_long ret; | |
2228 | # ifdef TARGET_ABI_MIPSO32 | |
048f6b4d | 2229 | unsigned int syscall_num; |
ff4f7382 | 2230 | # endif |
048f6b4d FB |
2231 | |
2232 | for(;;) { | |
0315c31c | 2233 | cpu_exec_start(cs); |
8642c1b8 | 2234 | trapnr = cpu_exec(cs); |
0315c31c | 2235 | cpu_exec_end(cs); |
d148d90e SF |
2236 | process_queued_cpu_work(cs); |
2237 | ||
048f6b4d FB |
2238 | switch(trapnr) { |
2239 | case EXCP_SYSCALL: | |
b5dc7732 | 2240 | env->active_tc.PC += 4; |
ff4f7382 RH |
2241 | # ifdef TARGET_ABI_MIPSO32 |
2242 | syscall_num = env->active_tc.gpr[2] - 4000; | |
388bb21a | 2243 | if (syscall_num >= sizeof(mips_syscall_args)) { |
7c2f6157 | 2244 | ret = -TARGET_ENOSYS; |
388bb21a TS |
2245 | } else { |
2246 | int nb_args; | |
992f48a0 BS |
2247 | abi_ulong sp_reg; |
2248 | abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0; | |
388bb21a TS |
2249 | |
2250 | nb_args = mips_syscall_args[syscall_num]; | |
b5dc7732 | 2251 | sp_reg = env->active_tc.gpr[29]; |
388bb21a TS |
2252 | switch (nb_args) { |
2253 | /* these arguments are taken from the stack */ | |
94c19610 ACH |
2254 | case 8: |
2255 | if ((ret = get_user_ual(arg8, sp_reg + 28)) != 0) { | |
2256 | goto done_syscall; | |
2257 | } | |
2258 | case 7: | |
2259 | if ((ret = get_user_ual(arg7, sp_reg + 24)) != 0) { | |
2260 | goto done_syscall; | |
2261 | } | |
2262 | case 6: | |
2263 | if ((ret = get_user_ual(arg6, sp_reg + 20)) != 0) { | |
2264 | goto done_syscall; | |
2265 | } | |
2266 | case 5: | |
2267 | if ((ret = get_user_ual(arg5, sp_reg + 16)) != 0) { | |
2268 | goto done_syscall; | |
2269 | } | |
388bb21a TS |
2270 | default: |
2271 | break; | |
048f6b4d | 2272 | } |
b5dc7732 TS |
2273 | ret = do_syscall(env, env->active_tc.gpr[2], |
2274 | env->active_tc.gpr[4], | |
2275 | env->active_tc.gpr[5], | |
2276 | env->active_tc.gpr[6], | |
2277 | env->active_tc.gpr[7], | |
5945cfcb | 2278 | arg5, arg6, arg7, arg8); |
388bb21a | 2279 | } |
94c19610 | 2280 | done_syscall: |
ff4f7382 RH |
2281 | # else |
2282 | ret = do_syscall(env, env->active_tc.gpr[2], | |
2283 | env->active_tc.gpr[4], env->active_tc.gpr[5], | |
2284 | env->active_tc.gpr[6], env->active_tc.gpr[7], | |
2285 | env->active_tc.gpr[8], env->active_tc.gpr[9], | |
2286 | env->active_tc.gpr[10], env->active_tc.gpr[11]); | |
2287 | # endif /* O32 */ | |
2eb3ae27 TB |
2288 | if (ret == -TARGET_ERESTARTSYS) { |
2289 | env->active_tc.PC -= 4; | |
2290 | break; | |
2291 | } | |
0b1bcb00 PB |
2292 | if (ret == -TARGET_QEMU_ESIGRETURN) { |
2293 | /* Returning from a successful sigreturn syscall. | |
2294 | Avoid clobbering register state. */ | |
2295 | break; | |
2296 | } | |
ff4f7382 | 2297 | if ((abi_ulong)ret >= (abi_ulong)-1133) { |
b5dc7732 | 2298 | env->active_tc.gpr[7] = 1; /* error flag */ |
388bb21a TS |
2299 | ret = -ret; |
2300 | } else { | |
b5dc7732 | 2301 | env->active_tc.gpr[7] = 0; /* error flag */ |
048f6b4d | 2302 | } |
b5dc7732 | 2303 | env->active_tc.gpr[2] = ret; |
048f6b4d | 2304 | break; |
ca7c2b1b TS |
2305 | case EXCP_TLBL: |
2306 | case EXCP_TLBS: | |
e6e5bd2d WT |
2307 | case EXCP_AdEL: |
2308 | case EXCP_AdES: | |
e4474235 PB |
2309 | info.si_signo = TARGET_SIGSEGV; |
2310 | info.si_errno = 0; | |
2311 | /* XXX: check env->error_code */ | |
2312 | info.si_code = TARGET_SEGV_MAPERR; | |
2313 | info._sifields._sigfault._addr = env->CP0_BadVAddr; | |
9d2803f7 | 2314 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
e4474235 | 2315 | break; |
6900e84b | 2316 | case EXCP_CpU: |
048f6b4d | 2317 | case EXCP_RI: |
bc1ad2de FB |
2318 | info.si_signo = TARGET_SIGILL; |
2319 | info.si_errno = 0; | |
2320 | info.si_code = 0; | |
9d2803f7 | 2321 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
048f6b4d | 2322 | break; |
106ec879 FB |
2323 | case EXCP_INTERRUPT: |
2324 | /* just indicate that signals should be handled asap */ | |
2325 | break; | |
d08b2a28 PB |
2326 | case EXCP_DEBUG: |
2327 | { | |
2328 | int sig; | |
2329 | ||
db6b81d4 | 2330 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
d08b2a28 PB |
2331 | if (sig) |
2332 | { | |
2333 | info.si_signo = sig; | |
2334 | info.si_errno = 0; | |
2335 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 2336 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
d08b2a28 PB |
2337 | } |
2338 | } | |
2339 | break; | |
590bc601 PB |
2340 | case EXCP_SC: |
2341 | if (do_store_exclusive(env)) { | |
2342 | info.si_signo = TARGET_SIGSEGV; | |
2343 | info.si_errno = 0; | |
2344 | info.si_code = TARGET_SEGV_MAPERR; | |
2345 | info._sifields._sigfault._addr = env->active_tc.PC; | |
9d2803f7 | 2346 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
590bc601 PB |
2347 | } |
2348 | break; | |
853c3240 JL |
2349 | case EXCP_DSPDIS: |
2350 | info.si_signo = TARGET_SIGILL; | |
2351 | info.si_errno = 0; | |
2352 | info.si_code = TARGET_ILL_ILLOPC; | |
9d2803f7 | 2353 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
853c3240 | 2354 | break; |
54b2f42c MI |
2355 | /* The code below was inspired by the MIPS Linux kernel trap |
2356 | * handling code in arch/mips/kernel/traps.c. | |
2357 | */ | |
2358 | case EXCP_BREAK: | |
2359 | { | |
2360 | abi_ulong trap_instr; | |
2361 | unsigned int code; | |
2362 | ||
a0333817 KCY |
2363 | if (env->hflags & MIPS_HFLAG_M16) { |
2364 | if (env->insn_flags & ASE_MICROMIPS) { | |
2365 | /* microMIPS mode */ | |
1308c464 KCY |
2366 | ret = get_user_u16(trap_instr, env->active_tc.PC); |
2367 | if (ret != 0) { | |
2368 | goto error; | |
2369 | } | |
a0333817 | 2370 | |
1308c464 KCY |
2371 | if ((trap_instr >> 10) == 0x11) { |
2372 | /* 16-bit instruction */ | |
2373 | code = trap_instr & 0xf; | |
2374 | } else { | |
2375 | /* 32-bit instruction */ | |
2376 | abi_ulong instr_lo; | |
2377 | ||
2378 | ret = get_user_u16(instr_lo, | |
2379 | env->active_tc.PC + 2); | |
2380 | if (ret != 0) { | |
2381 | goto error; | |
2382 | } | |
2383 | trap_instr = (trap_instr << 16) | instr_lo; | |
2384 | code = ((trap_instr >> 6) & ((1 << 20) - 1)); | |
2385 | /* Unfortunately, microMIPS also suffers from | |
2386 | the old assembler bug... */ | |
2387 | if (code >= (1 << 10)) { | |
2388 | code >>= 10; | |
2389 | } | |
2390 | } | |
a0333817 KCY |
2391 | } else { |
2392 | /* MIPS16e mode */ | |
2393 | ret = get_user_u16(trap_instr, env->active_tc.PC); | |
2394 | if (ret != 0) { | |
2395 | goto error; | |
2396 | } | |
2397 | code = (trap_instr >> 6) & 0x3f; | |
a0333817 KCY |
2398 | } |
2399 | } else { | |
f01a361b | 2400 | ret = get_user_u32(trap_instr, env->active_tc.PC); |
1308c464 KCY |
2401 | if (ret != 0) { |
2402 | goto error; | |
2403 | } | |
54b2f42c | 2404 | |
1308c464 KCY |
2405 | /* As described in the original Linux kernel code, the |
2406 | * below checks on 'code' are to work around an old | |
2407 | * assembly bug. | |
2408 | */ | |
2409 | code = ((trap_instr >> 6) & ((1 << 20) - 1)); | |
2410 | if (code >= (1 << 10)) { | |
2411 | code >>= 10; | |
2412 | } | |
54b2f42c MI |
2413 | } |
2414 | ||
2415 | if (do_break(env, &info, code) != 0) { | |
2416 | goto error; | |
2417 | } | |
2418 | } | |
2419 | break; | |
2420 | case EXCP_TRAP: | |
2421 | { | |
2422 | abi_ulong trap_instr; | |
2423 | unsigned int code = 0; | |
2424 | ||
a0333817 KCY |
2425 | if (env->hflags & MIPS_HFLAG_M16) { |
2426 | /* microMIPS mode */ | |
2427 | abi_ulong instr[2]; | |
2428 | ||
2429 | ret = get_user_u16(instr[0], env->active_tc.PC) || | |
2430 | get_user_u16(instr[1], env->active_tc.PC + 2); | |
2431 | ||
2432 | trap_instr = (instr[0] << 16) | instr[1]; | |
2433 | } else { | |
f01a361b | 2434 | ret = get_user_u32(trap_instr, env->active_tc.PC); |
a0333817 KCY |
2435 | } |
2436 | ||
54b2f42c MI |
2437 | if (ret != 0) { |
2438 | goto error; | |
2439 | } | |
2440 | ||
2441 | /* The immediate versions don't provide a code. */ | |
2442 | if (!(trap_instr & 0xFC000000)) { | |
a0333817 KCY |
2443 | if (env->hflags & MIPS_HFLAG_M16) { |
2444 | /* microMIPS mode */ | |
2445 | code = ((trap_instr >> 12) & ((1 << 4) - 1)); | |
2446 | } else { | |
2447 | code = ((trap_instr >> 6) & ((1 << 10) - 1)); | |
2448 | } | |
54b2f42c MI |
2449 | } |
2450 | ||
2451 | if (do_break(env, &info, code) != 0) { | |
2452 | goto error; | |
2453 | } | |
2454 | } | |
2455 | break; | |
fdbc2b57 RH |
2456 | case EXCP_ATOMIC: |
2457 | cpu_exec_step_atomic(cs); | |
2458 | break; | |
048f6b4d | 2459 | default: |
54b2f42c | 2460 | error: |
120a9848 | 2461 | EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); |
048f6b4d FB |
2462 | abort(); |
2463 | } | |
2464 | process_pending_signals(env); | |
2465 | } | |
2466 | } | |
2467 | #endif | |
2468 | ||
a0a839b6 MV |
2469 | #ifdef TARGET_NIOS2 |
2470 | ||
2471 | void cpu_loop(CPUNios2State *env) | |
2472 | { | |
2473 | CPUState *cs = ENV_GET_CPU(env); | |
2474 | Nios2CPU *cpu = NIOS2_CPU(cs); | |
2475 | target_siginfo_t info; | |
2476 | int trapnr, gdbsig, ret; | |
2477 | ||
2478 | for (;;) { | |
2479 | cpu_exec_start(cs); | |
2480 | trapnr = cpu_exec(cs); | |
2481 | cpu_exec_end(cs); | |
2482 | gdbsig = 0; | |
2483 | ||
2484 | switch (trapnr) { | |
2485 | case EXCP_INTERRUPT: | |
2486 | /* just indicate that signals should be handled asap */ | |
2487 | break; | |
2488 | case EXCP_TRAP: | |
2489 | if (env->regs[R_AT] == 0) { | |
2490 | abi_long ret; | |
2491 | qemu_log_mask(CPU_LOG_INT, "\nSyscall\n"); | |
2492 | ||
2493 | ret = do_syscall(env, env->regs[2], | |
2494 | env->regs[4], env->regs[5], env->regs[6], | |
2495 | env->regs[7], env->regs[8], env->regs[9], | |
2496 | 0, 0); | |
2497 | ||
2498 | if (env->regs[2] == 0) { /* FIXME: syscall 0 workaround */ | |
2499 | ret = 0; | |
2500 | } | |
2501 | ||
2502 | env->regs[2] = abs(ret); | |
2503 | /* Return value is 0..4096 */ | |
2504 | env->regs[7] = (ret > 0xfffffffffffff000ULL); | |
2505 | env->regs[CR_ESTATUS] = env->regs[CR_STATUS]; | |
2506 | env->regs[CR_STATUS] &= ~0x3; | |
2507 | env->regs[R_EA] = env->regs[R_PC] + 4; | |
2508 | env->regs[R_PC] += 4; | |
2509 | break; | |
2510 | } else { | |
2511 | qemu_log_mask(CPU_LOG_INT, "\nTrap\n"); | |
2512 | ||
2513 | env->regs[CR_ESTATUS] = env->regs[CR_STATUS]; | |
2514 | env->regs[CR_STATUS] &= ~0x3; | |
2515 | env->regs[R_EA] = env->regs[R_PC] + 4; | |
2516 | env->regs[R_PC] = cpu->exception_addr; | |
2517 | ||
2518 | gdbsig = TARGET_SIGTRAP; | |
2519 | break; | |
2520 | } | |
2521 | case 0xaa: | |
2522 | switch (env->regs[R_PC]) { | |
2523 | /*case 0x1000:*/ /* TODO:__kuser_helper_version */ | |
2524 | case 0x1004: /* __kuser_cmpxchg */ | |
2525 | start_exclusive(); | |
2526 | if (env->regs[4] & 0x3) { | |
2527 | goto kuser_fail; | |
2528 | } | |
2529 | ret = get_user_u32(env->regs[2], env->regs[4]); | |
2530 | if (ret) { | |
2531 | end_exclusive(); | |
2532 | goto kuser_fail; | |
2533 | } | |
2534 | env->regs[2] -= env->regs[5]; | |
2535 | if (env->regs[2] == 0) { | |
2536 | put_user_u32(env->regs[6], env->regs[4]); | |
2537 | } | |
2538 | end_exclusive(); | |
2539 | env->regs[R_PC] = env->regs[R_RA]; | |
2540 | break; | |
2541 | /*case 0x1040:*/ /* TODO:__kuser_sigtramp */ | |
2542 | default: | |
2543 | ; | |
2544 | kuser_fail: | |
2545 | info.si_signo = TARGET_SIGSEGV; | |
2546 | info.si_errno = 0; | |
2547 | /* TODO: check env->error_code */ | |
2548 | info.si_code = TARGET_SEGV_MAPERR; | |
2549 | info._sifields._sigfault._addr = env->regs[R_PC]; | |
2550 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); | |
2551 | } | |
2552 | break; | |
2553 | default: | |
2554 | EXCP_DUMP(env, "\nqemu: unhandled CPU exception %#x - aborting\n", | |
2555 | trapnr); | |
2556 | gdbsig = TARGET_SIGILL; | |
2557 | break; | |
2558 | } | |
2559 | if (gdbsig) { | |
2560 | gdb_handlesig(cs, gdbsig); | |
2561 | if (gdbsig != TARGET_SIGTRAP) { | |
2562 | exit(EXIT_FAILURE); | |
2563 | } | |
2564 | } | |
2565 | ||
2566 | process_pending_signals(env); | |
2567 | } | |
2568 | } | |
2569 | ||
2570 | #endif /* TARGET_NIOS2 */ | |
2571 | ||
d962783e JL |
2572 | #ifdef TARGET_OPENRISC |
2573 | ||
2574 | void cpu_loop(CPUOpenRISCState *env) | |
2575 | { | |
878096ee | 2576 | CPUState *cs = CPU(openrisc_env_get_cpu(env)); |
d962783e | 2577 | int trapnr, gdbsig; |
7fe7231a | 2578 | abi_long ret; |
d962783e JL |
2579 | |
2580 | for (;;) { | |
b040bc9c | 2581 | cpu_exec_start(cs); |
8642c1b8 | 2582 | trapnr = cpu_exec(cs); |
b040bc9c | 2583 | cpu_exec_end(cs); |
d148d90e | 2584 | process_queued_cpu_work(cs); |
d962783e JL |
2585 | gdbsig = 0; |
2586 | ||
2587 | switch (trapnr) { | |
2588 | case EXCP_RESET: | |
120a9848 | 2589 | qemu_log_mask(CPU_LOG_INT, "\nReset request, exit, pc is %#x\n", env->pc); |
4d1275c2 | 2590 | exit(EXIT_FAILURE); |
d962783e JL |
2591 | break; |
2592 | case EXCP_BUSERR: | |
120a9848 | 2593 | qemu_log_mask(CPU_LOG_INT, "\nBus error, exit, pc is %#x\n", env->pc); |
a86b3c64 | 2594 | gdbsig = TARGET_SIGBUS; |
d962783e JL |
2595 | break; |
2596 | case EXCP_DPF: | |
2597 | case EXCP_IPF: | |
878096ee | 2598 | cpu_dump_state(cs, stderr, fprintf, 0); |
d962783e JL |
2599 | gdbsig = TARGET_SIGSEGV; |
2600 | break; | |
2601 | case EXCP_TICK: | |
120a9848 | 2602 | qemu_log_mask(CPU_LOG_INT, "\nTick time interrupt pc is %#x\n", env->pc); |
d962783e JL |
2603 | break; |
2604 | case EXCP_ALIGN: | |
120a9848 | 2605 | qemu_log_mask(CPU_LOG_INT, "\nAlignment pc is %#x\n", env->pc); |
a86b3c64 | 2606 | gdbsig = TARGET_SIGBUS; |
d962783e JL |
2607 | break; |
2608 | case EXCP_ILLEGAL: | |
120a9848 | 2609 | qemu_log_mask(CPU_LOG_INT, "\nIllegal instructionpc is %#x\n", env->pc); |
a86b3c64 | 2610 | gdbsig = TARGET_SIGILL; |
d962783e JL |
2611 | break; |
2612 | case EXCP_INT: | |
120a9848 | 2613 | qemu_log_mask(CPU_LOG_INT, "\nExternal interruptpc is %#x\n", env->pc); |
d962783e JL |
2614 | break; |
2615 | case EXCP_DTLBMISS: | |
2616 | case EXCP_ITLBMISS: | |
120a9848 | 2617 | qemu_log_mask(CPU_LOG_INT, "\nTLB miss\n"); |
d962783e JL |
2618 | break; |
2619 | case EXCP_RANGE: | |
120a9848 | 2620 | qemu_log_mask(CPU_LOG_INT, "\nRange\n"); |
a86b3c64 | 2621 | gdbsig = TARGET_SIGSEGV; |
d962783e JL |
2622 | break; |
2623 | case EXCP_SYSCALL: | |
2624 | env->pc += 4; /* 0xc00; */ | |
7fe7231a TB |
2625 | ret = do_syscall(env, |
2626 | env->gpr[11], /* return value */ | |
2627 | env->gpr[3], /* r3 - r7 are params */ | |
2628 | env->gpr[4], | |
2629 | env->gpr[5], | |
2630 | env->gpr[6], | |
2631 | env->gpr[7], | |
2632 | env->gpr[8], 0, 0); | |
2633 | if (ret == -TARGET_ERESTARTSYS) { | |
2634 | env->pc -= 4; | |
2635 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
2636 | env->gpr[11] = ret; | |
2637 | } | |
d962783e JL |
2638 | break; |
2639 | case EXCP_FPE: | |
120a9848 | 2640 | qemu_log_mask(CPU_LOG_INT, "\nFloating point error\n"); |
d962783e JL |
2641 | break; |
2642 | case EXCP_TRAP: | |
120a9848 | 2643 | qemu_log_mask(CPU_LOG_INT, "\nTrap\n"); |
a86b3c64 | 2644 | gdbsig = TARGET_SIGTRAP; |
d962783e JL |
2645 | break; |
2646 | case EXCP_NR: | |
120a9848 | 2647 | qemu_log_mask(CPU_LOG_INT, "\nNR\n"); |
d962783e | 2648 | break; |
fdbc2b57 RH |
2649 | case EXCP_ATOMIC: |
2650 | cpu_exec_step_atomic(cs); | |
2651 | break; | |
d962783e | 2652 | default: |
120a9848 | 2653 | EXCP_DUMP(env, "\nqemu: unhandled CPU exception %#x - aborting\n", |
d962783e | 2654 | trapnr); |
d962783e JL |
2655 | gdbsig = TARGET_SIGILL; |
2656 | break; | |
2657 | } | |
2658 | if (gdbsig) { | |
db6b81d4 | 2659 | gdb_handlesig(cs, gdbsig); |
d962783e | 2660 | if (gdbsig != TARGET_SIGTRAP) { |
4d1275c2 | 2661 | exit(EXIT_FAILURE); |
d962783e JL |
2662 | } |
2663 | } | |
2664 | ||
2665 | process_pending_signals(env); | |
2666 | } | |
2667 | } | |
2668 | ||
2669 | #endif /* TARGET_OPENRISC */ | |
2670 | ||
fdf9b3e8 | 2671 | #ifdef TARGET_SH4 |
05390248 | 2672 | void cpu_loop(CPUSH4State *env) |
fdf9b3e8 | 2673 | { |
878096ee | 2674 | CPUState *cs = CPU(sh_env_get_cpu(env)); |
fdf9b3e8 | 2675 | int trapnr, ret; |
c227f099 | 2676 | target_siginfo_t info; |
3b46e624 | 2677 | |
fdf9b3e8 | 2678 | while (1) { |
b040bc9c | 2679 | cpu_exec_start(cs); |
8642c1b8 | 2680 | trapnr = cpu_exec(cs); |
b040bc9c | 2681 | cpu_exec_end(cs); |
d148d90e | 2682 | process_queued_cpu_work(cs); |
3b46e624 | 2683 | |
fdf9b3e8 FB |
2684 | switch (trapnr) { |
2685 | case 0x160: | |
0b6d3ae0 | 2686 | env->pc += 2; |
5fafdf24 TS |
2687 | ret = do_syscall(env, |
2688 | env->gregs[3], | |
2689 | env->gregs[4], | |
2690 | env->gregs[5], | |
2691 | env->gregs[6], | |
2692 | env->gregs[7], | |
2693 | env->gregs[0], | |
5945cfcb PM |
2694 | env->gregs[1], |
2695 | 0, 0); | |
ba412496 TB |
2696 | if (ret == -TARGET_ERESTARTSYS) { |
2697 | env->pc -= 2; | |
2698 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
2699 | env->gregs[0] = ret; | |
2700 | } | |
fdf9b3e8 | 2701 | break; |
c3b5bc8a TS |
2702 | case EXCP_INTERRUPT: |
2703 | /* just indicate that signals should be handled asap */ | |
2704 | break; | |
355fb23d PB |
2705 | case EXCP_DEBUG: |
2706 | { | |
2707 | int sig; | |
2708 | ||
db6b81d4 | 2709 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
355fb23d PB |
2710 | if (sig) |
2711 | { | |
2712 | info.si_signo = sig; | |
2713 | info.si_errno = 0; | |
2714 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 2715 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
355fb23d PB |
2716 | } |
2717 | } | |
2718 | break; | |
c3b5bc8a TS |
2719 | case 0xa0: |
2720 | case 0xc0: | |
a86b3c64 | 2721 | info.si_signo = TARGET_SIGSEGV; |
c3b5bc8a TS |
2722 | info.si_errno = 0; |
2723 | info.si_code = TARGET_SEGV_MAPERR; | |
2724 | info._sifields._sigfault._addr = env->tea; | |
9d2803f7 | 2725 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
c3b5bc8a TS |
2726 | break; |
2727 | ||
fdbc2b57 RH |
2728 | case EXCP_ATOMIC: |
2729 | cpu_exec_step_atomic(cs); | |
2730 | break; | |
fdf9b3e8 FB |
2731 | default: |
2732 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
878096ee | 2733 | cpu_dump_state(cs, stderr, fprintf, 0); |
4d1275c2 | 2734 | exit(EXIT_FAILURE); |
fdf9b3e8 FB |
2735 | } |
2736 | process_pending_signals (env); | |
2737 | } | |
2738 | } | |
2739 | #endif | |
2740 | ||
48733d19 | 2741 | #ifdef TARGET_CRIS |
05390248 | 2742 | void cpu_loop(CPUCRISState *env) |
48733d19 | 2743 | { |
878096ee | 2744 | CPUState *cs = CPU(cris_env_get_cpu(env)); |
48733d19 | 2745 | int trapnr, ret; |
c227f099 | 2746 | target_siginfo_t info; |
48733d19 TS |
2747 | |
2748 | while (1) { | |
b040bc9c | 2749 | cpu_exec_start(cs); |
8642c1b8 | 2750 | trapnr = cpu_exec(cs); |
b040bc9c | 2751 | cpu_exec_end(cs); |
d148d90e SF |
2752 | process_queued_cpu_work(cs); |
2753 | ||
48733d19 TS |
2754 | switch (trapnr) { |
2755 | case 0xaa: | |
2756 | { | |
a86b3c64 | 2757 | info.si_signo = TARGET_SIGSEGV; |
48733d19 TS |
2758 | info.si_errno = 0; |
2759 | /* XXX: check env->error_code */ | |
2760 | info.si_code = TARGET_SEGV_MAPERR; | |
e00c1e71 | 2761 | info._sifields._sigfault._addr = env->pregs[PR_EDA]; |
9d2803f7 | 2762 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
48733d19 TS |
2763 | } |
2764 | break; | |
b6d3abda EI |
2765 | case EXCP_INTERRUPT: |
2766 | /* just indicate that signals should be handled asap */ | |
2767 | break; | |
48733d19 TS |
2768 | case EXCP_BREAK: |
2769 | ret = do_syscall(env, | |
2770 | env->regs[9], | |
2771 | env->regs[10], | |
2772 | env->regs[11], | |
2773 | env->regs[12], | |
2774 | env->regs[13], | |
2775 | env->pregs[7], | |
5945cfcb PM |
2776 | env->pregs[11], |
2777 | 0, 0); | |
62050865 TB |
2778 | if (ret == -TARGET_ERESTARTSYS) { |
2779 | env->pc -= 2; | |
2780 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
2781 | env->regs[10] = ret; | |
2782 | } | |
48733d19 TS |
2783 | break; |
2784 | case EXCP_DEBUG: | |
2785 | { | |
2786 | int sig; | |
2787 | ||
db6b81d4 | 2788 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
48733d19 TS |
2789 | if (sig) |
2790 | { | |
2791 | info.si_signo = sig; | |
2792 | info.si_errno = 0; | |
2793 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 2794 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
48733d19 TS |
2795 | } |
2796 | } | |
2797 | break; | |
fdbc2b57 RH |
2798 | case EXCP_ATOMIC: |
2799 | cpu_exec_step_atomic(cs); | |
2800 | break; | |
48733d19 TS |
2801 | default: |
2802 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
878096ee | 2803 | cpu_dump_state(cs, stderr, fprintf, 0); |
4d1275c2 | 2804 | exit(EXIT_FAILURE); |
48733d19 TS |
2805 | } |
2806 | process_pending_signals (env); | |
2807 | } | |
2808 | } | |
2809 | #endif | |
2810 | ||
b779e29e | 2811 | #ifdef TARGET_MICROBLAZE |
05390248 | 2812 | void cpu_loop(CPUMBState *env) |
b779e29e | 2813 | { |
878096ee | 2814 | CPUState *cs = CPU(mb_env_get_cpu(env)); |
b779e29e | 2815 | int trapnr, ret; |
c227f099 | 2816 | target_siginfo_t info; |
b779e29e EI |
2817 | |
2818 | while (1) { | |
b040bc9c | 2819 | cpu_exec_start(cs); |
8642c1b8 | 2820 | trapnr = cpu_exec(cs); |
b040bc9c | 2821 | cpu_exec_end(cs); |
d148d90e SF |
2822 | process_queued_cpu_work(cs); |
2823 | ||
b779e29e EI |
2824 | switch (trapnr) { |
2825 | case 0xaa: | |
2826 | { | |
a86b3c64 | 2827 | info.si_signo = TARGET_SIGSEGV; |
b779e29e EI |
2828 | info.si_errno = 0; |
2829 | /* XXX: check env->error_code */ | |
2830 | info.si_code = TARGET_SEGV_MAPERR; | |
2831 | info._sifields._sigfault._addr = 0; | |
9d2803f7 | 2832 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
b779e29e EI |
2833 | } |
2834 | break; | |
2835 | case EXCP_INTERRUPT: | |
2836 | /* just indicate that signals should be handled asap */ | |
2837 | break; | |
2838 | case EXCP_BREAK: | |
2839 | /* Return address is 4 bytes after the call. */ | |
2840 | env->regs[14] += 4; | |
d7dce494 | 2841 | env->sregs[SR_PC] = env->regs[14]; |
b779e29e EI |
2842 | ret = do_syscall(env, |
2843 | env->regs[12], | |
2844 | env->regs[5], | |
2845 | env->regs[6], | |
2846 | env->regs[7], | |
2847 | env->regs[8], | |
2848 | env->regs[9], | |
5945cfcb PM |
2849 | env->regs[10], |
2850 | 0, 0); | |
4134ecfe TB |
2851 | if (ret == -TARGET_ERESTARTSYS) { |
2852 | /* Wind back to before the syscall. */ | |
2853 | env->sregs[SR_PC] -= 4; | |
2854 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
2855 | env->regs[3] = ret; | |
2856 | } | |
d7749ab7 PM |
2857 | /* All syscall exits result in guest r14 being equal to the |
2858 | * PC we return to, because the kernel syscall exit "rtbd" does | |
2859 | * this. (This is true even for sigreturn(); note that r14 is | |
2860 | * not a userspace-usable register, as the kernel may clobber it | |
2861 | * at any point.) | |
2862 | */ | |
2863 | env->regs[14] = env->sregs[SR_PC]; | |
b779e29e | 2864 | break; |
b76da7e3 EI |
2865 | case EXCP_HW_EXCP: |
2866 | env->regs[17] = env->sregs[SR_PC] + 4; | |
2867 | if (env->iflags & D_FLAG) { | |
2868 | env->sregs[SR_ESR] |= 1 << 12; | |
2869 | env->sregs[SR_PC] -= 4; | |
b4916d7b | 2870 | /* FIXME: if branch was immed, replay the imm as well. */ |
b76da7e3 EI |
2871 | } |
2872 | ||
2873 | env->iflags &= ~(IMM_FLAG | D_FLAG); | |
2874 | ||
2875 | switch (env->sregs[SR_ESR] & 31) { | |
22a78d64 | 2876 | case ESR_EC_DIVZERO: |
a86b3c64 | 2877 | info.si_signo = TARGET_SIGFPE; |
22a78d64 EI |
2878 | info.si_errno = 0; |
2879 | info.si_code = TARGET_FPE_FLTDIV; | |
2880 | info._sifields._sigfault._addr = 0; | |
9d2803f7 | 2881 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
22a78d64 | 2882 | break; |
b76da7e3 | 2883 | case ESR_EC_FPU: |
a86b3c64 | 2884 | info.si_signo = TARGET_SIGFPE; |
b76da7e3 EI |
2885 | info.si_errno = 0; |
2886 | if (env->sregs[SR_FSR] & FSR_IO) { | |
2887 | info.si_code = TARGET_FPE_FLTINV; | |
2888 | } | |
2889 | if (env->sregs[SR_FSR] & FSR_DZ) { | |
2890 | info.si_code = TARGET_FPE_FLTDIV; | |
2891 | } | |
2892 | info._sifields._sigfault._addr = 0; | |
9d2803f7 | 2893 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
b76da7e3 EI |
2894 | break; |
2895 | default: | |
2896 | printf ("Unhandled hw-exception: 0x%x\n", | |
2e42d52d | 2897 | env->sregs[SR_ESR] & ESR_EC_MASK); |
878096ee | 2898 | cpu_dump_state(cs, stderr, fprintf, 0); |
4d1275c2 | 2899 | exit(EXIT_FAILURE); |
b76da7e3 EI |
2900 | break; |
2901 | } | |
2902 | break; | |
b779e29e EI |
2903 | case EXCP_DEBUG: |
2904 | { | |
2905 | int sig; | |
2906 | ||
db6b81d4 | 2907 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
b779e29e EI |
2908 | if (sig) |
2909 | { | |
2910 | info.si_signo = sig; | |
2911 | info.si_errno = 0; | |
2912 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 2913 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
b779e29e EI |
2914 | } |
2915 | } | |
2916 | break; | |
fdbc2b57 RH |
2917 | case EXCP_ATOMIC: |
2918 | cpu_exec_step_atomic(cs); | |
2919 | break; | |
b779e29e EI |
2920 | default: |
2921 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
878096ee | 2922 | cpu_dump_state(cs, stderr, fprintf, 0); |
4d1275c2 | 2923 | exit(EXIT_FAILURE); |
b779e29e EI |
2924 | } |
2925 | process_pending_signals (env); | |
2926 | } | |
2927 | } | |
2928 | #endif | |
2929 | ||
e6e5906b PB |
2930 | #ifdef TARGET_M68K |
2931 | ||
2932 | void cpu_loop(CPUM68KState *env) | |
2933 | { | |
878096ee | 2934 | CPUState *cs = CPU(m68k_env_get_cpu(env)); |
e6e5906b PB |
2935 | int trapnr; |
2936 | unsigned int n; | |
c227f099 | 2937 | target_siginfo_t info; |
0429a971 | 2938 | TaskState *ts = cs->opaque; |
3b46e624 | 2939 | |
e6e5906b | 2940 | for(;;) { |
b040bc9c | 2941 | cpu_exec_start(cs); |
8642c1b8 | 2942 | trapnr = cpu_exec(cs); |
b040bc9c | 2943 | cpu_exec_end(cs); |
d148d90e SF |
2944 | process_queued_cpu_work(cs); |
2945 | ||
e6e5906b PB |
2946 | switch(trapnr) { |
2947 | case EXCP_ILLEGAL: | |
2948 | { | |
2949 | if (ts->sim_syscalls) { | |
2950 | uint16_t nr; | |
d8d5119c | 2951 | get_user_u16(nr, env->pc + 2); |
e6e5906b PB |
2952 | env->pc += 4; |
2953 | do_m68k_simcall(env, nr); | |
2954 | } else { | |
2955 | goto do_sigill; | |
2956 | } | |
2957 | } | |
2958 | break; | |
a87295e8 | 2959 | case EXCP_HALT_INSN: |
e6e5906b | 2960 | /* Semihosing syscall. */ |
a87295e8 | 2961 | env->pc += 4; |
e6e5906b PB |
2962 | do_m68k_semihosting(env, env->dregs[0]); |
2963 | break; | |
2964 | case EXCP_LINEA: | |
2965 | case EXCP_LINEF: | |
2966 | case EXCP_UNSUPPORTED: | |
2967 | do_sigill: | |
a86b3c64 | 2968 | info.si_signo = TARGET_SIGILL; |
e6e5906b PB |
2969 | info.si_errno = 0; |
2970 | info.si_code = TARGET_ILL_ILLOPN; | |
2971 | info._sifields._sigfault._addr = env->pc; | |
0ccb9c1d LV |
2972 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
2973 | break; | |
2974 | case EXCP_DIV0: | |
2975 | info.si_signo = TARGET_SIGFPE; | |
2976 | info.si_errno = 0; | |
2977 | info.si_code = TARGET_FPE_INTDIV; | |
2978 | info._sifields._sigfault._addr = env->pc; | |
9d2803f7 | 2979 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
e6e5906b PB |
2980 | break; |
2981 | case EXCP_TRAP0: | |
2982 | { | |
7ccb84a9 | 2983 | abi_long ret; |
e6e5906b PB |
2984 | ts->sim_syscalls = 0; |
2985 | n = env->dregs[0]; | |
2986 | env->pc += 2; | |
7ccb84a9 TB |
2987 | ret = do_syscall(env, |
2988 | n, | |
2989 | env->dregs[1], | |
2990 | env->dregs[2], | |
2991 | env->dregs[3], | |
2992 | env->dregs[4], | |
2993 | env->dregs[5], | |
2994 | env->aregs[0], | |
2995 | 0, 0); | |
2996 | if (ret == -TARGET_ERESTARTSYS) { | |
2997 | env->pc -= 2; | |
2998 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
2999 | env->dregs[0] = ret; | |
3000 | } | |
e6e5906b PB |
3001 | } |
3002 | break; | |
3003 | case EXCP_INTERRUPT: | |
3004 | /* just indicate that signals should be handled asap */ | |
3005 | break; | |
3006 | case EXCP_ACCESS: | |
3007 | { | |
a86b3c64 | 3008 | info.si_signo = TARGET_SIGSEGV; |
e6e5906b PB |
3009 | info.si_errno = 0; |
3010 | /* XXX: check env->error_code */ | |
3011 | info.si_code = TARGET_SEGV_MAPERR; | |
3012 | info._sifields._sigfault._addr = env->mmu.ar; | |
9d2803f7 | 3013 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
e6e5906b PB |
3014 | } |
3015 | break; | |
3016 | case EXCP_DEBUG: | |
3017 | { | |
3018 | int sig; | |
3019 | ||
db6b81d4 | 3020 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
e6e5906b PB |
3021 | if (sig) |
3022 | { | |
3023 | info.si_signo = sig; | |
3024 | info.si_errno = 0; | |
3025 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 3026 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
e6e5906b PB |
3027 | } |
3028 | } | |
3029 | break; | |
fdbc2b57 RH |
3030 | case EXCP_ATOMIC: |
3031 | cpu_exec_step_atomic(cs); | |
3032 | break; | |
e6e5906b | 3033 | default: |
120a9848 | 3034 | EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); |
e6e5906b PB |
3035 | abort(); |
3036 | } | |
3037 | process_pending_signals(env); | |
3038 | } | |
3039 | } | |
3040 | #endif /* TARGET_M68K */ | |
3041 | ||
7a3148a9 | 3042 | #ifdef TARGET_ALPHA |
05390248 | 3043 | void cpu_loop(CPUAlphaState *env) |
7a3148a9 | 3044 | { |
878096ee | 3045 | CPUState *cs = CPU(alpha_env_get_cpu(env)); |
e96efcfc | 3046 | int trapnr; |
c227f099 | 3047 | target_siginfo_t info; |
6049f4f8 | 3048 | abi_long sysret; |
3b46e624 | 3049 | |
7a3148a9 | 3050 | while (1) { |
b040bc9c | 3051 | cpu_exec_start(cs); |
8642c1b8 | 3052 | trapnr = cpu_exec(cs); |
b040bc9c | 3053 | cpu_exec_end(cs); |
d148d90e | 3054 | process_queued_cpu_work(cs); |
3b46e624 | 3055 | |
ac316ca4 RH |
3056 | /* All of the traps imply a transition through PALcode, which |
3057 | implies an REI instruction has been executed. Which means | |
3058 | that the intr_flag should be cleared. */ | |
3059 | env->intr_flag = 0; | |
3060 | ||
7a3148a9 JM |
3061 | switch (trapnr) { |
3062 | case EXCP_RESET: | |
3063 | fprintf(stderr, "Reset requested. Exit\n"); | |
4d1275c2 | 3064 | exit(EXIT_FAILURE); |
7a3148a9 JM |
3065 | break; |
3066 | case EXCP_MCHK: | |
3067 | fprintf(stderr, "Machine check exception. Exit\n"); | |
4d1275c2 | 3068 | exit(EXIT_FAILURE); |
7a3148a9 | 3069 | break; |
07b6c13b RH |
3070 | case EXCP_SMP_INTERRUPT: |
3071 | case EXCP_CLK_INTERRUPT: | |
3072 | case EXCP_DEV_INTERRUPT: | |
5fafdf24 | 3073 | fprintf(stderr, "External interrupt. Exit\n"); |
4d1275c2 | 3074 | exit(EXIT_FAILURE); |
7a3148a9 | 3075 | break; |
07b6c13b | 3076 | case EXCP_MMFAULT: |
6910b8f6 | 3077 | env->lock_addr = -1; |
6049f4f8 RH |
3078 | info.si_signo = TARGET_SIGSEGV; |
3079 | info.si_errno = 0; | |
129d8aa5 | 3080 | info.si_code = (page_get_flags(env->trap_arg0) & PAGE_VALID |
0be1d07c | 3081 | ? TARGET_SEGV_ACCERR : TARGET_SEGV_MAPERR); |
129d8aa5 | 3082 | info._sifields._sigfault._addr = env->trap_arg0; |
9d2803f7 | 3083 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
7a3148a9 | 3084 | break; |
7a3148a9 | 3085 | case EXCP_UNALIGN: |
6910b8f6 | 3086 | env->lock_addr = -1; |
6049f4f8 RH |
3087 | info.si_signo = TARGET_SIGBUS; |
3088 | info.si_errno = 0; | |
3089 | info.si_code = TARGET_BUS_ADRALN; | |
129d8aa5 | 3090 | info._sifields._sigfault._addr = env->trap_arg0; |
9d2803f7 | 3091 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
7a3148a9 JM |
3092 | break; |
3093 | case EXCP_OPCDEC: | |
6049f4f8 | 3094 | do_sigill: |
6910b8f6 | 3095 | env->lock_addr = -1; |
6049f4f8 RH |
3096 | info.si_signo = TARGET_SIGILL; |
3097 | info.si_errno = 0; | |
3098 | info.si_code = TARGET_ILL_ILLOPC; | |
3099 | info._sifields._sigfault._addr = env->pc; | |
9d2803f7 | 3100 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
7a3148a9 | 3101 | break; |
07b6c13b RH |
3102 | case EXCP_ARITH: |
3103 | env->lock_addr = -1; | |
3104 | info.si_signo = TARGET_SIGFPE; | |
3105 | info.si_errno = 0; | |
3106 | info.si_code = TARGET_FPE_FLTINV; | |
3107 | info._sifields._sigfault._addr = env->pc; | |
9d2803f7 | 3108 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
07b6c13b | 3109 | break; |
7a3148a9 | 3110 | case EXCP_FEN: |
6049f4f8 | 3111 | /* No-op. Linux simply re-enables the FPU. */ |
7a3148a9 | 3112 | break; |
07b6c13b | 3113 | case EXCP_CALL_PAL: |
6910b8f6 | 3114 | env->lock_addr = -1; |
07b6c13b | 3115 | switch (env->error_code) { |
6049f4f8 RH |
3116 | case 0x80: |
3117 | /* BPT */ | |
3118 | info.si_signo = TARGET_SIGTRAP; | |
3119 | info.si_errno = 0; | |
3120 | info.si_code = TARGET_TRAP_BRKPT; | |
3121 | info._sifields._sigfault._addr = env->pc; | |
9d2803f7 | 3122 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
6049f4f8 RH |
3123 | break; |
3124 | case 0x81: | |
3125 | /* BUGCHK */ | |
3126 | info.si_signo = TARGET_SIGTRAP; | |
3127 | info.si_errno = 0; | |
3128 | info.si_code = 0; | |
3129 | info._sifields._sigfault._addr = env->pc; | |
9d2803f7 | 3130 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
6049f4f8 RH |
3131 | break; |
3132 | case 0x83: | |
3133 | /* CALLSYS */ | |
3134 | trapnr = env->ir[IR_V0]; | |
3135 | sysret = do_syscall(env, trapnr, | |
3136 | env->ir[IR_A0], env->ir[IR_A1], | |
3137 | env->ir[IR_A2], env->ir[IR_A3], | |
5945cfcb PM |
3138 | env->ir[IR_A4], env->ir[IR_A5], |
3139 | 0, 0); | |
338c858c TB |
3140 | if (sysret == -TARGET_ERESTARTSYS) { |
3141 | env->pc -= 4; | |
3142 | break; | |
3143 | } | |
3144 | if (sysret == -TARGET_QEMU_ESIGRETURN) { | |
a5b3b13b RH |
3145 | break; |
3146 | } | |
3147 | /* Syscall writes 0 to V0 to bypass error check, similar | |
0e141977 RH |
3148 | to how this is handled internal to Linux kernel. |
3149 | (Ab)use trapnr temporarily as boolean indicating error. */ | |
3150 | trapnr = (env->ir[IR_V0] != 0 && sysret < 0); | |
3151 | env->ir[IR_V0] = (trapnr ? -sysret : sysret); | |
3152 | env->ir[IR_A3] = trapnr; | |
6049f4f8 RH |
3153 | break; |
3154 | case 0x86: | |
3155 | /* IMB */ | |
3156 | /* ??? We can probably elide the code using page_unprotect | |
3157 | that is checking for self-modifying code. Instead we | |
3158 | could simply call tb_flush here. Until we work out the | |
3159 | changes required to turn off the extra write protection, | |
3160 | this can be a no-op. */ | |
3161 | break; | |
3162 | case 0x9E: | |
3163 | /* RDUNIQUE */ | |
3164 | /* Handled in the translator for usermode. */ | |
3165 | abort(); | |
3166 | case 0x9F: | |
3167 | /* WRUNIQUE */ | |
3168 | /* Handled in the translator for usermode. */ | |
3169 | abort(); | |
3170 | case 0xAA: | |
3171 | /* GENTRAP */ | |
3172 | info.si_signo = TARGET_SIGFPE; | |
3173 | switch (env->ir[IR_A0]) { | |
3174 | case TARGET_GEN_INTOVF: | |
3175 | info.si_code = TARGET_FPE_INTOVF; | |
3176 | break; | |
3177 | case TARGET_GEN_INTDIV: | |
3178 | info.si_code = TARGET_FPE_INTDIV; | |
3179 | break; | |
3180 | case TARGET_GEN_FLTOVF: | |
3181 | info.si_code = TARGET_FPE_FLTOVF; | |
3182 | break; | |
3183 | case TARGET_GEN_FLTUND: | |
3184 | info.si_code = TARGET_FPE_FLTUND; | |
3185 | break; | |
3186 | case TARGET_GEN_FLTINV: | |
3187 | info.si_code = TARGET_FPE_FLTINV; | |
3188 | break; | |
3189 | case TARGET_GEN_FLTINE: | |
3190 | info.si_code = TARGET_FPE_FLTRES; | |
3191 | break; | |
3192 | case TARGET_GEN_ROPRAND: | |
3193 | info.si_code = 0; | |
3194 | break; | |
3195 | default: | |
3196 | info.si_signo = TARGET_SIGTRAP; | |
3197 | info.si_code = 0; | |
3198 | break; | |
3199 | } | |
3200 | info.si_errno = 0; | |
3201 | info._sifields._sigfault._addr = env->pc; | |
9d2803f7 | 3202 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
6049f4f8 RH |
3203 | break; |
3204 | default: | |
3205 | goto do_sigill; | |
3206 | } | |
7a3148a9 | 3207 | break; |
7a3148a9 | 3208 | case EXCP_DEBUG: |
db6b81d4 | 3209 | info.si_signo = gdb_handlesig(cs, TARGET_SIGTRAP); |
6049f4f8 | 3210 | if (info.si_signo) { |
6910b8f6 | 3211 | env->lock_addr = -1; |
6049f4f8 RH |
3212 | info.si_errno = 0; |
3213 | info.si_code = TARGET_TRAP_BRKPT; | |
9d2803f7 | 3214 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
7a3148a9 JM |
3215 | } |
3216 | break; | |
d0f20495 RH |
3217 | case EXCP_INTERRUPT: |
3218 | /* Just indicate that signals should be handled asap. */ | |
3219 | break; | |
fdbc2b57 RH |
3220 | case EXCP_ATOMIC: |
3221 | cpu_exec_step_atomic(cs); | |
3222 | break; | |
7a3148a9 JM |
3223 | default: |
3224 | printf ("Unhandled trap: 0x%x\n", trapnr); | |
878096ee | 3225 | cpu_dump_state(cs, stderr, fprintf, 0); |
4d1275c2 | 3226 | exit(EXIT_FAILURE); |
7a3148a9 JM |
3227 | } |
3228 | process_pending_signals (env); | |
3229 | } | |
3230 | } | |
3231 | #endif /* TARGET_ALPHA */ | |
3232 | ||
a4c075f1 UH |
3233 | #ifdef TARGET_S390X |
3234 | void cpu_loop(CPUS390XState *env) | |
3235 | { | |
878096ee | 3236 | CPUState *cs = CPU(s390_env_get_cpu(env)); |
d5a103cd | 3237 | int trapnr, n, sig; |
a4c075f1 | 3238 | target_siginfo_t info; |
d5a103cd | 3239 | target_ulong addr; |
47405ab6 | 3240 | abi_long ret; |
a4c075f1 UH |
3241 | |
3242 | while (1) { | |
b040bc9c | 3243 | cpu_exec_start(cs); |
8642c1b8 | 3244 | trapnr = cpu_exec(cs); |
b040bc9c | 3245 | cpu_exec_end(cs); |
d148d90e SF |
3246 | process_queued_cpu_work(cs); |
3247 | ||
a4c075f1 UH |
3248 | switch (trapnr) { |
3249 | case EXCP_INTERRUPT: | |
d5a103cd | 3250 | /* Just indicate that signals should be handled asap. */ |
a4c075f1 | 3251 | break; |
a4c075f1 | 3252 | |
d5a103cd RH |
3253 | case EXCP_SVC: |
3254 | n = env->int_svc_code; | |
3255 | if (!n) { | |
3256 | /* syscalls > 255 */ | |
3257 | n = env->regs[1]; | |
a4c075f1 | 3258 | } |
d5a103cd | 3259 | env->psw.addr += env->int_svc_ilen; |
47405ab6 TB |
3260 | ret = do_syscall(env, n, env->regs[2], env->regs[3], |
3261 | env->regs[4], env->regs[5], | |
3262 | env->regs[6], env->regs[7], 0, 0); | |
3263 | if (ret == -TARGET_ERESTARTSYS) { | |
3264 | env->psw.addr -= env->int_svc_ilen; | |
3265 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
3266 | env->regs[2] = ret; | |
3267 | } | |
a4c075f1 | 3268 | break; |
d5a103cd RH |
3269 | |
3270 | case EXCP_DEBUG: | |
db6b81d4 | 3271 | sig = gdb_handlesig(cs, TARGET_SIGTRAP); |
d5a103cd RH |
3272 | if (sig) { |
3273 | n = TARGET_TRAP_BRKPT; | |
3274 | goto do_signal_pc; | |
a4c075f1 UH |
3275 | } |
3276 | break; | |
d5a103cd RH |
3277 | case EXCP_PGM: |
3278 | n = env->int_pgm_code; | |
3279 | switch (n) { | |
3280 | case PGM_OPERATION: | |
3281 | case PGM_PRIVILEGED: | |
a86b3c64 | 3282 | sig = TARGET_SIGILL; |
d5a103cd RH |
3283 | n = TARGET_ILL_ILLOPC; |
3284 | goto do_signal_pc; | |
3285 | case PGM_PROTECTION: | |
3286 | case PGM_ADDRESSING: | |
a86b3c64 | 3287 | sig = TARGET_SIGSEGV; |
a4c075f1 | 3288 | /* XXX: check env->error_code */ |
d5a103cd RH |
3289 | n = TARGET_SEGV_MAPERR; |
3290 | addr = env->__excp_addr; | |
3291 | goto do_signal; | |
3292 | case PGM_EXECUTE: | |
3293 | case PGM_SPECIFICATION: | |
3294 | case PGM_SPECIAL_OP: | |
3295 | case PGM_OPERAND: | |
3296 | do_sigill_opn: | |
a86b3c64 | 3297 | sig = TARGET_SIGILL; |
d5a103cd RH |
3298 | n = TARGET_ILL_ILLOPN; |
3299 | goto do_signal_pc; | |
3300 | ||
3301 | case PGM_FIXPT_OVERFLOW: | |
a86b3c64 | 3302 | sig = TARGET_SIGFPE; |
d5a103cd RH |
3303 | n = TARGET_FPE_INTOVF; |
3304 | goto do_signal_pc; | |
3305 | case PGM_FIXPT_DIVIDE: | |
a86b3c64 | 3306 | sig = TARGET_SIGFPE; |
d5a103cd RH |
3307 | n = TARGET_FPE_INTDIV; |
3308 | goto do_signal_pc; | |
3309 | ||
3310 | case PGM_DATA: | |
3311 | n = (env->fpc >> 8) & 0xff; | |
3312 | if (n == 0xff) { | |
3313 | /* compare-and-trap */ | |
3314 | goto do_sigill_opn; | |
3315 | } else { | |
3316 | /* An IEEE exception, simulated or otherwise. */ | |
3317 | if (n & 0x80) { | |
3318 | n = TARGET_FPE_FLTINV; | |
3319 | } else if (n & 0x40) { | |
3320 | n = TARGET_FPE_FLTDIV; | |
3321 | } else if (n & 0x20) { | |
3322 | n = TARGET_FPE_FLTOVF; | |
3323 | } else if (n & 0x10) { | |
3324 | n = TARGET_FPE_FLTUND; | |
3325 | } else if (n & 0x08) { | |
3326 | n = TARGET_FPE_FLTRES; | |
3327 | } else { | |
3328 | /* ??? Quantum exception; BFP, DFP error. */ | |
3329 | goto do_sigill_opn; | |
3330 | } | |
a86b3c64 | 3331 | sig = TARGET_SIGFPE; |
d5a103cd RH |
3332 | goto do_signal_pc; |
3333 | } | |
3334 | ||
3335 | default: | |
3336 | fprintf(stderr, "Unhandled program exception: %#x\n", n); | |
878096ee | 3337 | cpu_dump_state(cs, stderr, fprintf, 0); |
4d1275c2 | 3338 | exit(EXIT_FAILURE); |
a4c075f1 UH |
3339 | } |
3340 | break; | |
d5a103cd RH |
3341 | |
3342 | do_signal_pc: | |
3343 | addr = env->psw.addr; | |
3344 | do_signal: | |
3345 | info.si_signo = sig; | |
3346 | info.si_errno = 0; | |
3347 | info.si_code = n; | |
3348 | info._sifields._sigfault._addr = addr; | |
9d2803f7 | 3349 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
a4c075f1 | 3350 | break; |
d5a103cd | 3351 | |
fdbc2b57 RH |
3352 | case EXCP_ATOMIC: |
3353 | cpu_exec_step_atomic(cs); | |
3354 | break; | |
a4c075f1 | 3355 | default: |
d5a103cd | 3356 | fprintf(stderr, "Unhandled trap: 0x%x\n", trapnr); |
878096ee | 3357 | cpu_dump_state(cs, stderr, fprintf, 0); |
4d1275c2 | 3358 | exit(EXIT_FAILURE); |
a4c075f1 UH |
3359 | } |
3360 | process_pending_signals (env); | |
3361 | } | |
3362 | } | |
3363 | ||
3364 | #endif /* TARGET_S390X */ | |
3365 | ||
b16189b2 CG |
3366 | #ifdef TARGET_TILEGX |
3367 | ||
b16189b2 CG |
3368 | static void gen_sigill_reg(CPUTLGState *env) |
3369 | { | |
3370 | target_siginfo_t info; | |
3371 | ||
3372 | info.si_signo = TARGET_SIGILL; | |
3373 | info.si_errno = 0; | |
3374 | info.si_code = TARGET_ILL_PRVREG; | |
3375 | info._sifields._sigfault._addr = env->pc; | |
9d2803f7 | 3376 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
b16189b2 CG |
3377 | } |
3378 | ||
a0577d2a | 3379 | static void do_signal(CPUTLGState *env, int signo, int sigcode) |
dd8070d8 CG |
3380 | { |
3381 | target_siginfo_t info; | |
3382 | ||
a0577d2a | 3383 | info.si_signo = signo; |
dd8070d8 | 3384 | info.si_errno = 0; |
dd8070d8 | 3385 | info._sifields._sigfault._addr = env->pc; |
a0577d2a RH |
3386 | |
3387 | if (signo == TARGET_SIGSEGV) { | |
3388 | /* The passed in sigcode is a dummy; check for a page mapping | |
3389 | and pass either MAPERR or ACCERR. */ | |
3390 | target_ulong addr = env->excaddr; | |
3391 | info._sifields._sigfault._addr = addr; | |
3392 | if (page_check_range(addr, 1, PAGE_VALID) < 0) { | |
3393 | sigcode = TARGET_SEGV_MAPERR; | |
3394 | } else { | |
3395 | sigcode = TARGET_SEGV_ACCERR; | |
3396 | } | |
3397 | } | |
3398 | info.si_code = sigcode; | |
3399 | ||
9d2803f7 | 3400 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); |
dd8070d8 CG |
3401 | } |
3402 | ||
a0577d2a RH |
3403 | static void gen_sigsegv_maperr(CPUTLGState *env, target_ulong addr) |
3404 | { | |
3405 | env->excaddr = addr; | |
3406 | do_signal(env, TARGET_SIGSEGV, 0); | |
3407 | } | |
3408 | ||
0583b233 RH |
3409 | static void set_regval(CPUTLGState *env, uint8_t reg, uint64_t val) |
3410 | { | |
3411 | if (unlikely(reg >= TILEGX_R_COUNT)) { | |
3412 | switch (reg) { | |
3413 | case TILEGX_R_SN: | |
3414 | case TILEGX_R_ZERO: | |
3415 | return; | |
3416 | case TILEGX_R_IDN0: | |
3417 | case TILEGX_R_IDN1: | |
3418 | case TILEGX_R_UDN0: | |
3419 | case TILEGX_R_UDN1: | |
3420 | case TILEGX_R_UDN2: | |
3421 | case TILEGX_R_UDN3: | |
3422 | gen_sigill_reg(env); | |
3423 | return; | |
3424 | default: | |
3425 | g_assert_not_reached(); | |
3426 | } | |
3427 | } | |
3428 | env->regs[reg] = val; | |
3429 | } | |
3430 | ||
3431 | /* | |
3432 | * Compare the 8-byte contents of the CmpValue SPR with the 8-byte value in | |
3433 | * memory at the address held in the first source register. If the values are | |
3434 | * not equal, then no memory operation is performed. If the values are equal, | |
3435 | * the 8-byte quantity from the second source register is written into memory | |
3436 | * at the address held in the first source register. In either case, the result | |
3437 | * of the instruction is the value read from memory. The compare and write to | |
3438 | * memory are atomic and thus can be used for synchronization purposes. This | |
3439 | * instruction only operates for addresses aligned to a 8-byte boundary. | |
3440 | * Unaligned memory access causes an Unaligned Data Reference interrupt. | |
3441 | * | |
3442 | * Functional Description (64-bit) | |
3443 | * uint64_t memVal = memoryReadDoubleWord (rf[SrcA]); | |
3444 | * rf[Dest] = memVal; | |
3445 | * if (memVal == SPR[CmpValueSPR]) | |
3446 | * memoryWriteDoubleWord (rf[SrcA], rf[SrcB]); | |
3447 | * | |
3448 | * Functional Description (32-bit) | |
3449 | * uint64_t memVal = signExtend32 (memoryReadWord (rf[SrcA])); | |
3450 | * rf[Dest] = memVal; | |
3451 | * if (memVal == signExtend32 (SPR[CmpValueSPR])) | |
3452 | * memoryWriteWord (rf[SrcA], rf[SrcB]); | |
3453 | * | |
3454 | * | |
3455 | * This function also processes exch and exch4 which need not process SPR. | |
3456 | */ | |
3457 | static void do_exch(CPUTLGState *env, bool quad, bool cmp) | |
3458 | { | |
3459 | target_ulong addr; | |
3460 | target_long val, sprval; | |
3461 | ||
3462 | start_exclusive(); | |
3463 | ||
3464 | addr = env->atomic_srca; | |
3465 | if (quad ? get_user_s64(val, addr) : get_user_s32(val, addr)) { | |
3466 | goto sigsegv_maperr; | |
3467 | } | |
3468 | ||
3469 | if (cmp) { | |
3470 | if (quad) { | |
3471 | sprval = env->spregs[TILEGX_SPR_CMPEXCH]; | |
3472 | } else { | |
3473 | sprval = sextract64(env->spregs[TILEGX_SPR_CMPEXCH], 0, 32); | |
3474 | } | |
3475 | } | |
3476 | ||
3477 | if (!cmp || val == sprval) { | |
3478 | target_long valb = env->atomic_srcb; | |
3479 | if (quad ? put_user_u64(valb, addr) : put_user_u32(valb, addr)) { | |
3480 | goto sigsegv_maperr; | |
3481 | } | |
3482 | } | |
3483 | ||
3484 | set_regval(env, env->atomic_dstr, val); | |
3485 | end_exclusive(); | |
3486 | return; | |
3487 | ||
3488 | sigsegv_maperr: | |
3489 | end_exclusive(); | |
3490 | gen_sigsegv_maperr(env, addr); | |
3491 | } | |
3492 | ||
3493 | static void do_fetch(CPUTLGState *env, int trapnr, bool quad) | |
3494 | { | |
3495 | int8_t write = 1; | |
3496 | target_ulong addr; | |
3497 | target_long val, valb; | |
3498 | ||
3499 | start_exclusive(); | |
3500 | ||
3501 | addr = env->atomic_srca; | |
3502 | valb = env->atomic_srcb; | |
3503 | if (quad ? get_user_s64(val, addr) : get_user_s32(val, addr)) { | |
3504 | goto sigsegv_maperr; | |
3505 | } | |
3506 | ||
3507 | switch (trapnr) { | |
3508 | case TILEGX_EXCP_OPCODE_FETCHADD: | |
3509 | case TILEGX_EXCP_OPCODE_FETCHADD4: | |
3510 | valb += val; | |
3511 | break; | |
3512 | case TILEGX_EXCP_OPCODE_FETCHADDGEZ: | |
3513 | valb += val; | |
3514 | if (valb < 0) { | |
3515 | write = 0; | |
3516 | } | |
3517 | break; | |
3518 | case TILEGX_EXCP_OPCODE_FETCHADDGEZ4: | |
3519 | valb += val; | |
3520 | if ((int32_t)valb < 0) { | |
3521 | write = 0; | |
3522 | } | |
3523 | break; | |
3524 | case TILEGX_EXCP_OPCODE_FETCHAND: | |
3525 | case TILEGX_EXCP_OPCODE_FETCHAND4: | |
3526 | valb &= val; | |
3527 | break; | |
3528 | case TILEGX_EXCP_OPCODE_FETCHOR: | |
3529 | case TILEGX_EXCP_OPCODE_FETCHOR4: | |
3530 | valb |= val; | |
3531 | break; | |
3532 | default: | |
3533 | g_assert_not_reached(); | |
3534 | } | |
3535 | ||
3536 | if (write) { | |
3537 | if (quad ? put_user_u64(valb, addr) : put_user_u32(valb, addr)) { | |
3538 | goto sigsegv_maperr; | |
3539 | } | |
3540 | } | |
3541 | ||
3542 | set_regval(env, env->atomic_dstr, val); | |
3543 | end_exclusive(); | |
3544 | return; | |
3545 | ||
3546 | sigsegv_maperr: | |
3547 | end_exclusive(); | |
3548 | gen_sigsegv_maperr(env, addr); | |
3549 | } | |
3550 | ||
b16189b2 CG |
3551 | void cpu_loop(CPUTLGState *env) |
3552 | { | |
3553 | CPUState *cs = CPU(tilegx_env_get_cpu(env)); | |
3554 | int trapnr; | |
3555 | ||
3556 | while (1) { | |
3557 | cpu_exec_start(cs); | |
8642c1b8 | 3558 | trapnr = cpu_exec(cs); |
b16189b2 | 3559 | cpu_exec_end(cs); |
d148d90e SF |
3560 | process_queued_cpu_work(cs); |
3561 | ||
b16189b2 CG |
3562 | switch (trapnr) { |
3563 | case TILEGX_EXCP_SYSCALL: | |
a9175169 PM |
3564 | { |
3565 | abi_ulong ret = do_syscall(env, env->regs[TILEGX_R_NR], | |
3566 | env->regs[0], env->regs[1], | |
3567 | env->regs[2], env->regs[3], | |
3568 | env->regs[4], env->regs[5], | |
3569 | env->regs[6], env->regs[7]); | |
3570 | if (ret == -TARGET_ERESTARTSYS) { | |
3571 | env->pc -= 8; | |
3572 | } else if (ret != -TARGET_QEMU_ESIGRETURN) { | |
3573 | env->regs[TILEGX_R_RE] = ret; | |
3574 | env->regs[TILEGX_R_ERR] = TILEGX_IS_ERRNO(ret) ? -ret : 0; | |
3575 | } | |
b16189b2 | 3576 | break; |
a9175169 | 3577 | } |
0583b233 RH |
3578 | case TILEGX_EXCP_OPCODE_EXCH: |
3579 | do_exch(env, true, false); | |
3580 | break; | |
3581 | case TILEGX_EXCP_OPCODE_EXCH4: | |
3582 | do_exch(env, false, false); | |
3583 | break; | |
3584 | case TILEGX_EXCP_OPCODE_CMPEXCH: | |
3585 | do_exch(env, true, true); | |
3586 | break; | |
3587 | case TILEGX_EXCP_OPCODE_CMPEXCH4: | |
3588 | do_exch(env, false, true); | |
3589 | break; | |
3590 | case TILEGX_EXCP_OPCODE_FETCHADD: | |
3591 | case TILEGX_EXCP_OPCODE_FETCHADDGEZ: | |
3592 | case TILEGX_EXCP_OPCODE_FETCHAND: | |
3593 | case TILEGX_EXCP_OPCODE_FETCHOR: | |
3594 | do_fetch(env, trapnr, true); | |
3595 | break; | |
3596 | case TILEGX_EXCP_OPCODE_FETCHADD4: | |
3597 | case TILEGX_EXCP_OPCODE_FETCHADDGEZ4: | |
3598 | case TILEGX_EXCP_OPCODE_FETCHAND4: | |
3599 | case TILEGX_EXCP_OPCODE_FETCHOR4: | |
3600 | do_fetch(env, trapnr, false); | |
3601 | break; | |
dd8070d8 | 3602 | case TILEGX_EXCP_SIGNAL: |
a0577d2a | 3603 | do_signal(env, env->signo, env->sigcode); |
dd8070d8 | 3604 | break; |
b16189b2 CG |
3605 | case TILEGX_EXCP_REG_IDN_ACCESS: |
3606 | case TILEGX_EXCP_REG_UDN_ACCESS: | |
3607 | gen_sigill_reg(env); | |
3608 | break; | |
fdbc2b57 RH |
3609 | case EXCP_ATOMIC: |
3610 | cpu_exec_step_atomic(cs); | |
3611 | break; | |
b16189b2 CG |
3612 | default: |
3613 | fprintf(stderr, "trapnr is %d[0x%x].\n", trapnr, trapnr); | |
3614 | g_assert_not_reached(); | |
3615 | } | |
3616 | process_pending_signals(env); | |
3617 | } | |
3618 | } | |
3619 | ||
3620 | #endif | |
3621 | ||
7c248bcd RH |
3622 | #ifdef TARGET_HPPA |
3623 | ||
3624 | static abi_ulong hppa_lws(CPUHPPAState *env) | |
3625 | { | |
3626 | uint32_t which = env->gr[20]; | |
3627 | abi_ulong addr = env->gr[26]; | |
3628 | abi_ulong old = env->gr[25]; | |
3629 | abi_ulong new = env->gr[24]; | |
3630 | abi_ulong size, ret; | |
3631 | ||
3632 | switch (which) { | |
3633 | default: | |
3634 | return -TARGET_ENOSYS; | |
3635 | ||
3636 | case 0: /* elf32 atomic 32bit cmpxchg */ | |
3637 | if ((addr & 3) || !access_ok(VERIFY_WRITE, addr, 4)) { | |
3638 | return -TARGET_EFAULT; | |
3639 | } | |
3640 | old = tswap32(old); | |
3641 | new = tswap32(new); | |
3642 | ret = atomic_cmpxchg((uint32_t *)g2h(addr), old, new); | |
3643 | ret = tswap32(ret); | |
3644 | break; | |
3645 | ||
3646 | case 2: /* elf32 atomic "new" cmpxchg */ | |
3647 | size = env->gr[23]; | |
3648 | if (size >= 4) { | |
3649 | return -TARGET_ENOSYS; | |
3650 | } | |
3651 | if (((addr | old | new) & ((1 << size) - 1)) | |
3652 | || !access_ok(VERIFY_WRITE, addr, 1 << size) | |
3653 | || !access_ok(VERIFY_READ, old, 1 << size) | |
3654 | || !access_ok(VERIFY_READ, new, 1 << size)) { | |
3655 | return -TARGET_EFAULT; | |
3656 | } | |
3657 | /* Note that below we use host-endian loads so that the cmpxchg | |
3658 | can be host-endian as well. */ | |
3659 | switch (size) { | |
3660 | case 0: | |
3661 | old = *(uint8_t *)g2h(old); | |
3662 | new = *(uint8_t *)g2h(new); | |
3663 | ret = atomic_cmpxchg((uint8_t *)g2h(addr), old, new); | |
3664 | ret = ret != old; | |
3665 | break; | |
3666 | case 1: | |
3667 | old = *(uint16_t *)g2h(old); | |
3668 | new = *(uint16_t *)g2h(new); | |
3669 | ret = atomic_cmpxchg((uint16_t *)g2h(addr), old, new); | |
3670 | ret = ret != old; | |
3671 | break; | |
3672 | case 2: | |
3673 | old = *(uint32_t *)g2h(old); | |
3674 | new = *(uint32_t *)g2h(new); | |
3675 | ret = atomic_cmpxchg((uint32_t *)g2h(addr), old, new); | |
3676 | ret = ret != old; | |
3677 | break; | |
3678 | case 3: | |
3679 | { | |
3680 | uint64_t o64, n64, r64; | |
3681 | o64 = *(uint64_t *)g2h(old); | |
3682 | n64 = *(uint64_t *)g2h(new); | |
3683 | #ifdef CONFIG_ATOMIC64 | |
3684 | r64 = atomic_cmpxchg__nocheck((uint64_t *)g2h(addr), o64, n64); | |
3685 | ret = r64 != o64; | |
3686 | #else | |
3687 | start_exclusive(); | |
3688 | r64 = *(uint64_t *)g2h(addr); | |
3689 | ret = 1; | |
3690 | if (r64 == o64) { | |
3691 | *(uint64_t *)g2h(addr) = n64; | |
3692 | ret = 0; | |
3693 | } | |
3694 | end_exclusive(); | |
3695 | #endif | |
3696 | } | |
3697 | break; | |
3698 | } | |
3699 | break; | |
3700 | } | |
3701 | ||
3702 | env->gr[28] = ret; | |
3703 | return 0; | |
3704 | } | |
3705 | ||
3706 | void cpu_loop(CPUHPPAState *env) | |
3707 | { | |
3708 | CPUState *cs = CPU(hppa_env_get_cpu(env)); | |
3709 | target_siginfo_t info; | |
3710 | abi_ulong ret; | |
3711 | int trapnr; | |
3712 | ||
3713 | while (1) { | |
3714 | cpu_exec_start(cs); | |
3715 | trapnr = cpu_exec(cs); | |
3716 | cpu_exec_end(cs); | |
3717 | process_queued_cpu_work(cs); | |
3718 | ||
3719 | switch (trapnr) { | |
3720 | case EXCP_SYSCALL: | |
3721 | ret = do_syscall(env, env->gr[20], | |
3722 | env->gr[26], env->gr[25], | |
3723 | env->gr[24], env->gr[23], | |
3724 | env->gr[22], env->gr[21], 0, 0); | |
3725 | switch (ret) { | |
3726 | default: | |
3727 | env->gr[28] = ret; | |
3728 | /* We arrived here by faking the gateway page. Return. */ | |
3729 | env->iaoq_f = env->gr[31]; | |
3730 | env->iaoq_b = env->gr[31] + 4; | |
3731 | break; | |
3732 | case -TARGET_ERESTARTSYS: | |
3733 | case -TARGET_QEMU_ESIGRETURN: | |
3734 | break; | |
3735 | } | |
3736 | break; | |
3737 | case EXCP_SYSCALL_LWS: | |
3738 | env->gr[21] = hppa_lws(env); | |
3739 | /* We arrived here by faking the gateway page. Return. */ | |
3740 | env->iaoq_f = env->gr[31]; | |
3741 | env->iaoq_b = env->gr[31] + 4; | |
3742 | break; | |
3743 | case EXCP_SIGSEGV: | |
3744 | info.si_signo = TARGET_SIGSEGV; | |
3745 | info.si_errno = 0; | |
3746 | info.si_code = TARGET_SEGV_ACCERR; | |
3747 | info._sifields._sigfault._addr = env->ior; | |
3748 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); | |
3749 | break; | |
3750 | case EXCP_SIGILL: | |
3751 | info.si_signo = TARGET_SIGILL; | |
3752 | info.si_errno = 0; | |
3753 | info.si_code = TARGET_ILL_ILLOPN; | |
3754 | info._sifields._sigfault._addr = env->iaoq_f; | |
3755 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); | |
3756 | break; | |
3757 | case EXCP_SIGFPE: | |
3758 | info.si_signo = TARGET_SIGFPE; | |
3759 | info.si_errno = 0; | |
3760 | info.si_code = 0; | |
3761 | info._sifields._sigfault._addr = env->iaoq_f; | |
3762 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); | |
3763 | break; | |
3764 | case EXCP_DEBUG: | |
3765 | trapnr = gdb_handlesig(cs, TARGET_SIGTRAP); | |
3766 | if (trapnr) { | |
3767 | info.si_signo = trapnr; | |
3768 | info.si_errno = 0; | |
3769 | info.si_code = TARGET_TRAP_BRKPT; | |
3770 | queue_signal(env, trapnr, QEMU_SI_FAULT, &info); | |
3771 | } | |
3772 | break; | |
3773 | case EXCP_INTERRUPT: | |
3774 | /* just indicate that signals should be handled asap */ | |
3775 | break; | |
3776 | default: | |
3777 | g_assert_not_reached(); | |
3778 | } | |
3779 | process_pending_signals(env); | |
3780 | } | |
3781 | } | |
3782 | ||
3783 | #endif /* TARGET_HPPA */ | |
3784 | ||
a2247f8e | 3785 | THREAD CPUState *thread_cpu; |
59faf6d6 | 3786 | |
178f9429 SF |
3787 | bool qemu_cpu_is_self(CPUState *cpu) |
3788 | { | |
3789 | return thread_cpu == cpu; | |
3790 | } | |
3791 | ||
3792 | void qemu_cpu_kick(CPUState *cpu) | |
3793 | { | |
3794 | cpu_exit(cpu); | |
3795 | } | |
3796 | ||
edf8e2af MW |
3797 | void task_settid(TaskState *ts) |
3798 | { | |
3799 | if (ts->ts_tid == 0) { | |
edf8e2af | 3800 | ts->ts_tid = (pid_t)syscall(SYS_gettid); |
edf8e2af MW |
3801 | } |
3802 | } | |
3803 | ||
3804 | void stop_all_tasks(void) | |
3805 | { | |
3806 | /* | |
3807 | * We trust that when using NPTL, start_exclusive() | |
3808 | * handles thread stopping correctly. | |
3809 | */ | |
3810 | start_exclusive(); | |
3811 | } | |
3812 | ||
c3a92833 | 3813 | /* Assumes contents are already zeroed. */ |
624f7979 PB |
3814 | void init_task_state(TaskState *ts) |
3815 | { | |
624f7979 | 3816 | ts->used = 1; |
624f7979 | 3817 | } |
fc9c5412 | 3818 | |
30ba0ee5 AF |
3819 | CPUArchState *cpu_copy(CPUArchState *env) |
3820 | { | |
ff4700b0 | 3821 | CPUState *cpu = ENV_GET_CPU(env); |
2994fd96 | 3822 | CPUState *new_cpu = cpu_init(cpu_model); |
61c7480f | 3823 | CPUArchState *new_env = new_cpu->env_ptr; |
30ba0ee5 AF |
3824 | CPUBreakpoint *bp; |
3825 | CPUWatchpoint *wp; | |
30ba0ee5 AF |
3826 | |
3827 | /* Reset non arch specific state */ | |
75a34036 | 3828 | cpu_reset(new_cpu); |
30ba0ee5 AF |
3829 | |
3830 | memcpy(new_env, env, sizeof(CPUArchState)); | |
3831 | ||
3832 | /* Clone all break/watchpoints. | |
3833 | Note: Once we support ptrace with hw-debug register access, make sure | |
3834 | BP_CPU break/watchpoints are handled correctly on clone. */ | |
1d085f6c TB |
3835 | QTAILQ_INIT(&new_cpu->breakpoints); |
3836 | QTAILQ_INIT(&new_cpu->watchpoints); | |
f0c3c505 | 3837 | QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) { |
b3310ab3 | 3838 | cpu_breakpoint_insert(new_cpu, bp->pc, bp->flags, NULL); |
30ba0ee5 | 3839 | } |
ff4700b0 | 3840 | QTAILQ_FOREACH(wp, &cpu->watchpoints, entry) { |
05068c0d | 3841 | cpu_watchpoint_insert(new_cpu, wp->vaddr, wp->len, wp->flags, NULL); |
30ba0ee5 | 3842 | } |
30ba0ee5 AF |
3843 | |
3844 | return new_env; | |
3845 | } | |
3846 | ||
fc9c5412 JS |
3847 | static void handle_arg_help(const char *arg) |
3848 | { | |
4d1275c2 | 3849 | usage(EXIT_SUCCESS); |
fc9c5412 JS |
3850 | } |
3851 | ||
3852 | static void handle_arg_log(const char *arg) | |
3853 | { | |
3854 | int mask; | |
fc9c5412 | 3855 | |
4fde1eba | 3856 | mask = qemu_str_to_log_mask(arg); |
fc9c5412 | 3857 | if (!mask) { |
59a6fa6e | 3858 | qemu_print_log_usage(stdout); |
4d1275c2 | 3859 | exit(EXIT_FAILURE); |
fc9c5412 | 3860 | } |
f2937a33 | 3861 | qemu_log_needs_buffers(); |
24537a01 | 3862 | qemu_set_log(mask); |
fc9c5412 JS |
3863 | } |
3864 | ||
50171d42 CWR |
3865 | static void handle_arg_log_filename(const char *arg) |
3866 | { | |
daa76aa4 | 3867 | qemu_set_log_filename(arg, &error_fatal); |
50171d42 CWR |
3868 | } |
3869 | ||
fc9c5412 JS |
3870 | static void handle_arg_set_env(const char *arg) |
3871 | { | |
3872 | char *r, *p, *token; | |
3873 | r = p = strdup(arg); | |
3874 | while ((token = strsep(&p, ",")) != NULL) { | |
3875 | if (envlist_setenv(envlist, token) != 0) { | |
4d1275c2 | 3876 | usage(EXIT_FAILURE); |
fc9c5412 JS |
3877 | } |
3878 | } | |
3879 | free(r); | |
3880 | } | |
3881 | ||
3882 | static void handle_arg_unset_env(const char *arg) | |
3883 | { | |
3884 | char *r, *p, *token; | |
3885 | r = p = strdup(arg); | |
3886 | while ((token = strsep(&p, ",")) != NULL) { | |
3887 | if (envlist_unsetenv(envlist, token) != 0) { | |
4d1275c2 | 3888 | usage(EXIT_FAILURE); |
fc9c5412 JS |
3889 | } |
3890 | } | |
3891 | free(r); | |
3892 | } | |
3893 | ||
3894 | static void handle_arg_argv0(const char *arg) | |
3895 | { | |
3896 | argv0 = strdup(arg); | |
3897 | } | |
3898 | ||
3899 | static void handle_arg_stack_size(const char *arg) | |
3900 | { | |
3901 | char *p; | |
3902 | guest_stack_size = strtoul(arg, &p, 0); | |
3903 | if (guest_stack_size == 0) { | |
4d1275c2 | 3904 | usage(EXIT_FAILURE); |
fc9c5412 JS |
3905 | } |
3906 | ||
3907 | if (*p == 'M') { | |
3908 | guest_stack_size *= 1024 * 1024; | |
3909 | } else if (*p == 'k' || *p == 'K') { | |
3910 | guest_stack_size *= 1024; | |
3911 | } | |
3912 | } | |
3913 | ||
3914 | static void handle_arg_ld_prefix(const char *arg) | |
3915 | { | |
3916 | interp_prefix = strdup(arg); | |
3917 | } | |
3918 | ||
3919 | static void handle_arg_pagesize(const char *arg) | |
3920 | { | |
3921 | qemu_host_page_size = atoi(arg); | |
3922 | if (qemu_host_page_size == 0 || | |
3923 | (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { | |
3924 | fprintf(stderr, "page size must be a power of two\n"); | |
4d1275c2 | 3925 | exit(EXIT_FAILURE); |
fc9c5412 JS |
3926 | } |
3927 | } | |
3928 | ||
c5e4a5a9 MR |
3929 | static void handle_arg_randseed(const char *arg) |
3930 | { | |
3931 | unsigned long long seed; | |
3932 | ||
3933 | if (parse_uint_full(arg, &seed, 0) != 0 || seed > UINT_MAX) { | |
3934 | fprintf(stderr, "Invalid seed number: %s\n", arg); | |
4d1275c2 | 3935 | exit(EXIT_FAILURE); |
c5e4a5a9 MR |
3936 | } |
3937 | srand(seed); | |
3938 | } | |
3939 | ||
fc9c5412 JS |
3940 | static void handle_arg_gdb(const char *arg) |
3941 | { | |
3942 | gdbstub_port = atoi(arg); | |
3943 | } | |
3944 | ||
3945 | static void handle_arg_uname(const char *arg) | |
3946 | { | |
3947 | qemu_uname_release = strdup(arg); | |
3948 | } | |
3949 | ||
3950 | static void handle_arg_cpu(const char *arg) | |
3951 | { | |
3952 | cpu_model = strdup(arg); | |
c8057f95 | 3953 | if (cpu_model == NULL || is_help_option(cpu_model)) { |
fc9c5412 | 3954 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
e916cbf8 PM |
3955 | #if defined(cpu_list) |
3956 | cpu_list(stdout, &fprintf); | |
fc9c5412 | 3957 | #endif |
4d1275c2 | 3958 | exit(EXIT_FAILURE); |
fc9c5412 JS |
3959 | } |
3960 | } | |
3961 | ||
fc9c5412 JS |
3962 | static void handle_arg_guest_base(const char *arg) |
3963 | { | |
3964 | guest_base = strtol(arg, NULL, 0); | |
3965 | have_guest_base = 1; | |
3966 | } | |
3967 | ||
3968 | static void handle_arg_reserved_va(const char *arg) | |
3969 | { | |
3970 | char *p; | |
3971 | int shift = 0; | |
3972 | reserved_va = strtoul(arg, &p, 0); | |
3973 | switch (*p) { | |
3974 | case 'k': | |
3975 | case 'K': | |
3976 | shift = 10; | |
3977 | break; | |
3978 | case 'M': | |
3979 | shift = 20; | |
3980 | break; | |
3981 | case 'G': | |
3982 | shift = 30; | |
3983 | break; | |
3984 | } | |
3985 | if (shift) { | |
3986 | unsigned long unshifted = reserved_va; | |
3987 | p++; | |
3988 | reserved_va <<= shift; | |
3989 | if (((reserved_va >> shift) != unshifted) | |
3990 | #if HOST_LONG_BITS > TARGET_VIRT_ADDR_SPACE_BITS | |
3991 | || (reserved_va > (1ul << TARGET_VIRT_ADDR_SPACE_BITS)) | |
3992 | #endif | |
3993 | ) { | |
3994 | fprintf(stderr, "Reserved virtual address too big\n"); | |
4d1275c2 | 3995 | exit(EXIT_FAILURE); |
fc9c5412 JS |
3996 | } |
3997 | } | |
3998 | if (*p) { | |
3999 | fprintf(stderr, "Unrecognised -R size suffix '%s'\n", p); | |
4d1275c2 | 4000 | exit(EXIT_FAILURE); |
fc9c5412 JS |
4001 | } |
4002 | } | |
fc9c5412 JS |
4003 | |
4004 | static void handle_arg_singlestep(const char *arg) | |
4005 | { | |
4006 | singlestep = 1; | |
4007 | } | |
4008 | ||
4009 | static void handle_arg_strace(const char *arg) | |
4010 | { | |
4011 | do_strace = 1; | |
4012 | } | |
4013 | ||
4014 | static void handle_arg_version(const char *arg) | |
4015 | { | |
2e59915d | 4016 | printf("qemu-" TARGET_NAME " version " QEMU_VERSION QEMU_PKGVERSION |
0781dd6e | 4017 | "\n" QEMU_COPYRIGHT "\n"); |
4d1275c2 | 4018 | exit(EXIT_SUCCESS); |
fc9c5412 JS |
4019 | } |
4020 | ||
6533dd6e LV |
4021 | static char *trace_file; |
4022 | static void handle_arg_trace(const char *arg) | |
4023 | { | |
4024 | g_free(trace_file); | |
4025 | trace_file = trace_opt_parse(arg); | |
4026 | } | |
4027 | ||
fc9c5412 JS |
4028 | struct qemu_argument { |
4029 | const char *argv; | |
4030 | const char *env; | |
4031 | bool has_arg; | |
4032 | void (*handle_opt)(const char *arg); | |
4033 | const char *example; | |
4034 | const char *help; | |
4035 | }; | |
4036 | ||
42644cee | 4037 | static const struct qemu_argument arg_table[] = { |
fc9c5412 JS |
4038 | {"h", "", false, handle_arg_help, |
4039 | "", "print this help"}, | |
daaf8c8e MI |
4040 | {"help", "", false, handle_arg_help, |
4041 | "", ""}, | |
fc9c5412 JS |
4042 | {"g", "QEMU_GDB", true, handle_arg_gdb, |
4043 | "port", "wait gdb connection to 'port'"}, | |
4044 | {"L", "QEMU_LD_PREFIX", true, handle_arg_ld_prefix, | |
4045 | "path", "set the elf interpreter prefix to 'path'"}, | |
4046 | {"s", "QEMU_STACK_SIZE", true, handle_arg_stack_size, | |
4047 | "size", "set the stack size to 'size' bytes"}, | |
4048 | {"cpu", "QEMU_CPU", true, handle_arg_cpu, | |
c8057f95 | 4049 | "model", "select CPU (-cpu help for list)"}, |
fc9c5412 JS |
4050 | {"E", "QEMU_SET_ENV", true, handle_arg_set_env, |
4051 | "var=value", "sets targets environment variable (see below)"}, | |
4052 | {"U", "QEMU_UNSET_ENV", true, handle_arg_unset_env, | |
4053 | "var", "unsets targets environment variable (see below)"}, | |
4054 | {"0", "QEMU_ARGV0", true, handle_arg_argv0, | |
4055 | "argv0", "forces target process argv[0] to be 'argv0'"}, | |
4056 | {"r", "QEMU_UNAME", true, handle_arg_uname, | |
4057 | "uname", "set qemu uname release string to 'uname'"}, | |
fc9c5412 JS |
4058 | {"B", "QEMU_GUEST_BASE", true, handle_arg_guest_base, |
4059 | "address", "set guest_base address to 'address'"}, | |
4060 | {"R", "QEMU_RESERVED_VA", true, handle_arg_reserved_va, | |
4061 | "size", "reserve 'size' bytes for guest virtual address space"}, | |
fc9c5412 | 4062 | {"d", "QEMU_LOG", true, handle_arg_log, |
989b697d PM |
4063 | "item[,...]", "enable logging of specified items " |
4064 | "(use '-d help' for a list of items)"}, | |
50171d42 | 4065 | {"D", "QEMU_LOG_FILENAME", true, handle_arg_log_filename, |
989b697d | 4066 | "logfile", "write logs to 'logfile' (default stderr)"}, |
fc9c5412 JS |
4067 | {"p", "QEMU_PAGESIZE", true, handle_arg_pagesize, |
4068 | "pagesize", "set the host page size to 'pagesize'"}, | |
4069 | {"singlestep", "QEMU_SINGLESTEP", false, handle_arg_singlestep, | |
4070 | "", "run in singlestep mode"}, | |
4071 | {"strace", "QEMU_STRACE", false, handle_arg_strace, | |
4072 | "", "log system calls"}, | |
c5e4a5a9 MR |
4073 | {"seed", "QEMU_RAND_SEED", true, handle_arg_randseed, |
4074 | "", "Seed for pseudo-random number generator"}, | |
6533dd6e LV |
4075 | {"trace", "QEMU_TRACE", true, handle_arg_trace, |
4076 | "", "[[enable=]<pattern>][,events=<file>][,file=<file>]"}, | |
fc9c5412 | 4077 | {"version", "QEMU_VERSION", false, handle_arg_version, |
1386d4c0 | 4078 | "", "display version information and exit"}, |
fc9c5412 JS |
4079 | {NULL, NULL, false, NULL, NULL, NULL} |
4080 | }; | |
4081 | ||
d03f9c32 | 4082 | static void usage(int exitcode) |
fc9c5412 | 4083 | { |
42644cee | 4084 | const struct qemu_argument *arginfo; |
fc9c5412 JS |
4085 | int maxarglen; |
4086 | int maxenvlen; | |
4087 | ||
2e59915d PB |
4088 | printf("usage: qemu-" TARGET_NAME " [options] program [arguments...]\n" |
4089 | "Linux CPU emulator (compiled for " TARGET_NAME " emulation)\n" | |
fc9c5412 JS |
4090 | "\n" |
4091 | "Options and associated environment variables:\n" | |
4092 | "\n"); | |
4093 | ||
63ec54d7 PM |
4094 | /* Calculate column widths. We must always have at least enough space |
4095 | * for the column header. | |
4096 | */ | |
4097 | maxarglen = strlen("Argument"); | |
4098 | maxenvlen = strlen("Env-variable"); | |
fc9c5412 JS |
4099 | |
4100 | for (arginfo = arg_table; arginfo->handle_opt != NULL; arginfo++) { | |
63ec54d7 PM |
4101 | int arglen = strlen(arginfo->argv); |
4102 | if (arginfo->has_arg) { | |
4103 | arglen += strlen(arginfo->example) + 1; | |
4104 | } | |
fc9c5412 JS |
4105 | if (strlen(arginfo->env) > maxenvlen) { |
4106 | maxenvlen = strlen(arginfo->env); | |
4107 | } | |
63ec54d7 PM |
4108 | if (arglen > maxarglen) { |
4109 | maxarglen = arglen; | |
fc9c5412 JS |
4110 | } |
4111 | } | |
4112 | ||
63ec54d7 PM |
4113 | printf("%-*s %-*s Description\n", maxarglen+1, "Argument", |
4114 | maxenvlen, "Env-variable"); | |
fc9c5412 JS |
4115 | |
4116 | for (arginfo = arg_table; arginfo->handle_opt != NULL; arginfo++) { | |
4117 | if (arginfo->has_arg) { | |
4118 | printf("-%s %-*s %-*s %s\n", arginfo->argv, | |
63ec54d7 PM |
4119 | (int)(maxarglen - strlen(arginfo->argv) - 1), |
4120 | arginfo->example, maxenvlen, arginfo->env, arginfo->help); | |
fc9c5412 | 4121 | } else { |
63ec54d7 | 4122 | printf("-%-*s %-*s %s\n", maxarglen, arginfo->argv, |
fc9c5412 JS |
4123 | maxenvlen, arginfo->env, |
4124 | arginfo->help); | |
4125 | } | |
4126 | } | |
4127 | ||
4128 | printf("\n" | |
4129 | "Defaults:\n" | |
4130 | "QEMU_LD_PREFIX = %s\n" | |
989b697d | 4131 | "QEMU_STACK_SIZE = %ld byte\n", |
fc9c5412 | 4132 | interp_prefix, |
989b697d | 4133 | guest_stack_size); |
fc9c5412 JS |
4134 | |
4135 | printf("\n" | |
4136 | "You can use -E and -U options or the QEMU_SET_ENV and\n" | |
4137 | "QEMU_UNSET_ENV environment variables to set and unset\n" | |
4138 | "environment variables for the target process.\n" | |
4139 | "It is possible to provide several variables by separating them\n" | |
4140 | "by commas in getsubopt(3) style. Additionally it is possible to\n" | |
4141 | "provide the -E and -U options multiple times.\n" | |
4142 | "The following lines are equivalent:\n" | |
4143 | " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n" | |
4144 | " -E var1=val2,var2=val2 -U LD_PRELOAD,LD_DEBUG\n" | |
4145 | " QEMU_SET_ENV=var1=val2,var2=val2 QEMU_UNSET_ENV=LD_PRELOAD,LD_DEBUG\n" | |
4146 | "Note that if you provide several changes to a single variable\n" | |
4147 | "the last change will stay in effect.\n"); | |
4148 | ||
d03f9c32 | 4149 | exit(exitcode); |
fc9c5412 JS |
4150 | } |
4151 | ||
4152 | static int parse_args(int argc, char **argv) | |
4153 | { | |
4154 | const char *r; | |
4155 | int optind; | |
42644cee | 4156 | const struct qemu_argument *arginfo; |
fc9c5412 JS |
4157 | |
4158 | for (arginfo = arg_table; arginfo->handle_opt != NULL; arginfo++) { | |
4159 | if (arginfo->env == NULL) { | |
4160 | continue; | |
4161 | } | |
4162 | ||
4163 | r = getenv(arginfo->env); | |
4164 | if (r != NULL) { | |
4165 | arginfo->handle_opt(r); | |
4166 | } | |
4167 | } | |
4168 | ||
4169 | optind = 1; | |
4170 | for (;;) { | |
4171 | if (optind >= argc) { | |
4172 | break; | |
4173 | } | |
4174 | r = argv[optind]; | |
4175 | if (r[0] != '-') { | |
4176 | break; | |
4177 | } | |
4178 | optind++; | |
4179 | r++; | |
4180 | if (!strcmp(r, "-")) { | |
4181 | break; | |
4182 | } | |
ba02577c MI |
4183 | /* Treat --foo the same as -foo. */ |
4184 | if (r[0] == '-') { | |
4185 | r++; | |
4186 | } | |
fc9c5412 JS |
4187 | |
4188 | for (arginfo = arg_table; arginfo->handle_opt != NULL; arginfo++) { | |
4189 | if (!strcmp(r, arginfo->argv)) { | |
fc9c5412 | 4190 | if (arginfo->has_arg) { |
1386d4c0 | 4191 | if (optind >= argc) { |
138940bf MI |
4192 | (void) fprintf(stderr, |
4193 | "qemu: missing argument for option '%s'\n", r); | |
4d1275c2 | 4194 | exit(EXIT_FAILURE); |
1386d4c0 PM |
4195 | } |
4196 | arginfo->handle_opt(argv[optind]); | |
fc9c5412 | 4197 | optind++; |
1386d4c0 PM |
4198 | } else { |
4199 | arginfo->handle_opt(NULL); | |
fc9c5412 | 4200 | } |
fc9c5412 JS |
4201 | break; |
4202 | } | |
4203 | } | |
4204 | ||
4205 | /* no option matched the current argv */ | |
4206 | if (arginfo->handle_opt == NULL) { | |
138940bf | 4207 | (void) fprintf(stderr, "qemu: unknown option '%s'\n", r); |
4d1275c2 | 4208 | exit(EXIT_FAILURE); |
fc9c5412 JS |
4209 | } |
4210 | } | |
4211 | ||
4212 | if (optind >= argc) { | |
138940bf | 4213 | (void) fprintf(stderr, "qemu: no user program specified\n"); |
4d1275c2 | 4214 | exit(EXIT_FAILURE); |
fc9c5412 JS |
4215 | } |
4216 | ||
4217 | filename = argv[optind]; | |
4218 | exec_path = argv[optind]; | |
4219 | ||
4220 | return optind; | |
4221 | } | |
4222 | ||
902b3d5c | 4223 | int main(int argc, char **argv, char **envp) |
31e31b8a | 4224 | { |
01ffc75b | 4225 | struct target_pt_regs regs1, *regs = ®s1; |
31e31b8a | 4226 | struct image_info info1, *info = &info1; |
edf8e2af | 4227 | struct linux_binprm bprm; |
48e15fc2 | 4228 | TaskState *ts; |
9349b4f9 | 4229 | CPUArchState *env; |
db6b81d4 | 4230 | CPUState *cpu; |
586314f2 | 4231 | int optind; |
04a6dfeb | 4232 | char **target_environ, **wrk; |
7d8cec95 AJ |
4233 | char **target_argv; |
4234 | int target_argc; | |
7d8cec95 | 4235 | int i; |
fd4d81dd | 4236 | int ret; |
03cfd8fa | 4237 | int execfd; |
b12b6a18 | 4238 | |
fe4db84d | 4239 | module_call_init(MODULE_INIT_TRACE); |
267f685b | 4240 | qemu_init_cpu_list(); |
ce008c1f AF |
4241 | module_call_init(MODULE_INIT_QOM); |
4242 | ||
04a6dfeb AJ |
4243 | if ((envlist = envlist_create()) == NULL) { |
4244 | (void) fprintf(stderr, "Unable to allocate envlist\n"); | |
4d1275c2 | 4245 | exit(EXIT_FAILURE); |
04a6dfeb AJ |
4246 | } |
4247 | ||
4248 | /* add current environment into the list */ | |
4249 | for (wrk = environ; *wrk != NULL; wrk++) { | |
4250 | (void) envlist_setenv(envlist, *wrk); | |
4251 | } | |
4252 | ||
703e0e89 RH |
4253 | /* Read the stack limit from the kernel. If it's "unlimited", |
4254 | then we can do little else besides use the default. */ | |
4255 | { | |
4256 | struct rlimit lim; | |
4257 | if (getrlimit(RLIMIT_STACK, &lim) == 0 | |
81bbe906 TY |
4258 | && lim.rlim_cur != RLIM_INFINITY |
4259 | && lim.rlim_cur == (target_long)lim.rlim_cur) { | |
703e0e89 RH |
4260 | guest_stack_size = lim.rlim_cur; |
4261 | } | |
4262 | } | |
4263 | ||
b1f9be31 | 4264 | cpu_model = NULL; |
b5ec5ce0 | 4265 | |
c5e4a5a9 MR |
4266 | srand(time(NULL)); |
4267 | ||
6533dd6e LV |
4268 | qemu_add_opts(&qemu_trace_opts); |
4269 | ||
fc9c5412 | 4270 | optind = parse_args(argc, argv); |
586314f2 | 4271 | |
6533dd6e LV |
4272 | if (!trace_init_backends()) { |
4273 | exit(1); | |
4274 | } | |
4275 | trace_init_file(trace_file); | |
4276 | ||
31e31b8a | 4277 | /* Zero out regs */ |
01ffc75b | 4278 | memset(regs, 0, sizeof(struct target_pt_regs)); |
31e31b8a FB |
4279 | |
4280 | /* Zero out image_info */ | |
4281 | memset(info, 0, sizeof(struct image_info)); | |
4282 | ||
edf8e2af MW |
4283 | memset(&bprm, 0, sizeof (bprm)); |
4284 | ||
74cd30b8 FB |
4285 | /* Scan interp_prefix dir for replacement files. */ |
4286 | init_paths(interp_prefix); | |
4287 | ||
4a24a758 PM |
4288 | init_qemu_uname_release(); |
4289 | ||
46027c07 | 4290 | if (cpu_model == NULL) { |
aaed909a | 4291 | #if defined(TARGET_I386) |
46027c07 FB |
4292 | #ifdef TARGET_X86_64 |
4293 | cpu_model = "qemu64"; | |
4294 | #else | |
4295 | cpu_model = "qemu32"; | |
4296 | #endif | |
aaed909a | 4297 | #elif defined(TARGET_ARM) |
088ab16c | 4298 | cpu_model = "any"; |
d2fbca94 GX |
4299 | #elif defined(TARGET_UNICORE32) |
4300 | cpu_model = "any"; | |
aaed909a FB |
4301 | #elif defined(TARGET_M68K) |
4302 | cpu_model = "any"; | |
4303 | #elif defined(TARGET_SPARC) | |
4304 | #ifdef TARGET_SPARC64 | |
4305 | cpu_model = "TI UltraSparc II"; | |
4306 | #else | |
4307 | cpu_model = "Fujitsu MB86904"; | |
46027c07 | 4308 | #endif |
aaed909a FB |
4309 | #elif defined(TARGET_MIPS) |
4310 | #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64) | |
74797f40 | 4311 | cpu_model = "5KEf"; |
aaed909a FB |
4312 | #else |
4313 | cpu_model = "24Kf"; | |
4314 | #endif | |
d962783e JL |
4315 | #elif defined TARGET_OPENRISC |
4316 | cpu_model = "or1200"; | |
aaed909a | 4317 | #elif defined(TARGET_PPC) |
a74029f6 | 4318 | # ifdef TARGET_PPC64 |
de3f1b98 | 4319 | cpu_model = "POWER8"; |
a74029f6 | 4320 | # else |
aaed909a | 4321 | cpu_model = "750"; |
a74029f6 | 4322 | # endif |
91c45a38 RH |
4323 | #elif defined TARGET_SH4 |
4324 | cpu_model = TYPE_SH7785_CPU; | |
aaed909a FB |
4325 | #else |
4326 | cpu_model = "any"; | |
4327 | #endif | |
4328 | } | |
d5ab9713 | 4329 | tcg_exec_init(0); |
83fb7adf FB |
4330 | /* NOTE: we need to init the CPU at this stage to get |
4331 | qemu_host_page_size */ | |
2994fd96 EH |
4332 | cpu = cpu_init(cpu_model); |
4333 | if (!cpu) { | |
aaed909a | 4334 | fprintf(stderr, "Unable to find CPU definition\n"); |
4d1275c2 | 4335 | exit(EXIT_FAILURE); |
aaed909a | 4336 | } |
2994fd96 | 4337 | env = cpu->env_ptr; |
0ac46af3 | 4338 | cpu_reset(cpu); |
b55a37c9 | 4339 | |
db6b81d4 | 4340 | thread_cpu = cpu; |
3b46e624 | 4341 | |
b6741956 FB |
4342 | if (getenv("QEMU_STRACE")) { |
4343 | do_strace = 1; | |
b92c47c1 TS |
4344 | } |
4345 | ||
c5e4a5a9 MR |
4346 | if (getenv("QEMU_RAND_SEED")) { |
4347 | handle_arg_randseed(getenv("QEMU_RAND_SEED")); | |
4348 | } | |
4349 | ||
04a6dfeb AJ |
4350 | target_environ = envlist_to_environ(envlist, NULL); |
4351 | envlist_free(envlist); | |
b12b6a18 | 4352 | |
379f6698 PB |
4353 | /* |
4354 | * Now that page sizes are configured in cpu_init() we can do | |
4355 | * proper page alignment for guest_base. | |
4356 | */ | |
4357 | guest_base = HOST_PAGE_ALIGN(guest_base); | |
68a1c816 | 4358 | |
806d1021 MI |
4359 | if (reserved_va || have_guest_base) { |
4360 | guest_base = init_guest_space(guest_base, reserved_va, 0, | |
4361 | have_guest_base); | |
4362 | if (guest_base == (unsigned long)-1) { | |
097b8cb8 PM |
4363 | fprintf(stderr, "Unable to reserve 0x%lx bytes of virtual address " |
4364 | "space for use as guest address space (check your virtual " | |
4365 | "memory ulimit setting or reserve less using -R option)\n", | |
4366 | reserved_va); | |
4d1275c2 | 4367 | exit(EXIT_FAILURE); |
68a1c816 | 4368 | } |
97cc7560 | 4369 | |
806d1021 MI |
4370 | if (reserved_va) { |
4371 | mmap_next_start = reserved_va; | |
97cc7560 DDAG |
4372 | } |
4373 | } | |
379f6698 PB |
4374 | |
4375 | /* | |
4376 | * Read in mmap_min_addr kernel parameter. This value is used | |
4377 | * When loading the ELF image to determine whether guest_base | |
14f24e14 | 4378 | * is needed. It is also used in mmap_find_vma. |
379f6698 | 4379 | */ |
14f24e14 | 4380 | { |
379f6698 PB |
4381 | FILE *fp; |
4382 | ||
4383 | if ((fp = fopen("/proc/sys/vm/mmap_min_addr", "r")) != NULL) { | |
4384 | unsigned long tmp; | |
4385 | if (fscanf(fp, "%lu", &tmp) == 1) { | |
4386 | mmap_min_addr = tmp; | |
13829020 | 4387 | qemu_log_mask(CPU_LOG_PAGE, "host mmap_min_addr=0x%lx\n", mmap_min_addr); |
379f6698 PB |
4388 | } |
4389 | fclose(fp); | |
4390 | } | |
4391 | } | |
379f6698 | 4392 | |
7d8cec95 AJ |
4393 | /* |
4394 | * Prepare copy of argv vector for target. | |
4395 | */ | |
4396 | target_argc = argc - optind; | |
4397 | target_argv = calloc(target_argc + 1, sizeof (char *)); | |
4398 | if (target_argv == NULL) { | |
4399 | (void) fprintf(stderr, "Unable to allocate memory for target_argv\n"); | |
4d1275c2 | 4400 | exit(EXIT_FAILURE); |
7d8cec95 AJ |
4401 | } |
4402 | ||
4403 | /* | |
4404 | * If argv0 is specified (using '-0' switch) we replace | |
4405 | * argv[0] pointer with the given one. | |
4406 | */ | |
4407 | i = 0; | |
4408 | if (argv0 != NULL) { | |
4409 | target_argv[i++] = strdup(argv0); | |
4410 | } | |
4411 | for (; i < target_argc; i++) { | |
4412 | target_argv[i] = strdup(argv[optind + i]); | |
4413 | } | |
4414 | target_argv[target_argc] = NULL; | |
4415 | ||
c78d65e8 | 4416 | ts = g_new0(TaskState, 1); |
edf8e2af MW |
4417 | init_task_state(ts); |
4418 | /* build Task State */ | |
4419 | ts->info = info; | |
4420 | ts->bprm = &bprm; | |
0429a971 | 4421 | cpu->opaque = ts; |
edf8e2af MW |
4422 | task_settid(ts); |
4423 | ||
0b959cf5 RH |
4424 | execfd = qemu_getauxval(AT_EXECFD); |
4425 | if (execfd == 0) { | |
03cfd8fa | 4426 | execfd = open(filename, O_RDONLY); |
0b959cf5 RH |
4427 | if (execfd < 0) { |
4428 | printf("Error while loading %s: %s\n", filename, strerror(errno)); | |
4d1275c2 | 4429 | _exit(EXIT_FAILURE); |
0b959cf5 | 4430 | } |
03cfd8fa LV |
4431 | } |
4432 | ||
4433 | ret = loader_exec(execfd, filename, target_argv, target_environ, regs, | |
fd4d81dd AP |
4434 | info, &bprm); |
4435 | if (ret != 0) { | |
885c1d10 | 4436 | printf("Error while loading %s: %s\n", filename, strerror(-ret)); |
4d1275c2 | 4437 | _exit(EXIT_FAILURE); |
b12b6a18 TS |
4438 | } |
4439 | ||
4440 | for (wrk = target_environ; *wrk; wrk++) { | |
4441 | free(*wrk); | |
31e31b8a | 4442 | } |
3b46e624 | 4443 | |
b12b6a18 TS |
4444 | free(target_environ); |
4445 | ||
13829020 | 4446 | if (qemu_loglevel_mask(CPU_LOG_PAGE)) { |
379f6698 | 4447 | qemu_log("guest_base 0x%lx\n", guest_base); |
2e77eac6 BS |
4448 | log_page_dump(); |
4449 | ||
4450 | qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk); | |
4451 | qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code); | |
7c4ee5bc RH |
4452 | qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n", info->start_code); |
4453 | qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n", info->start_data); | |
2e77eac6 | 4454 | qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data); |
7c4ee5bc | 4455 | qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n", info->start_stack); |
2e77eac6 BS |
4456 | qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk); |
4457 | qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry); | |
7c4ee5bc RH |
4458 | qemu_log("argv_start 0x" TARGET_ABI_FMT_lx "\n", info->arg_start); |
4459 | qemu_log("env_start 0x" TARGET_ABI_FMT_lx "\n", | |
4460 | info->arg_end + (abi_ulong)sizeof(abi_ulong)); | |
4461 | qemu_log("auxv_start 0x" TARGET_ABI_FMT_lx "\n", info->saved_auxv); | |
2e77eac6 | 4462 | } |
31e31b8a | 4463 | |
53a5960a | 4464 | target_set_brk(info->brk); |
31e31b8a | 4465 | syscall_init(); |
66fb9763 | 4466 | signal_init(); |
31e31b8a | 4467 | |
9002ec79 RH |
4468 | /* Now that we've loaded the binary, GUEST_BASE is fixed. Delay |
4469 | generating the prologue until now so that the prologue can take | |
4470 | the real value of GUEST_BASE into account. */ | |
4471 | tcg_prologue_init(&tcg_ctx); | |
9002ec79 | 4472 | |
b346ff46 | 4473 | #if defined(TARGET_I386) |
3802ce26 | 4474 | env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK; |
b98dbc90 | 4475 | env->hflags |= HF_PE_MASK | HF_CPL_MASK; |
0514ef2f | 4476 | if (env->features[FEAT_1_EDX] & CPUID_SSE) { |
1bde465e FB |
4477 | env->cr[4] |= CR4_OSFXSR_MASK; |
4478 | env->hflags |= HF_OSFXSR_MASK; | |
4479 | } | |
d2fd1af7 | 4480 | #ifndef TARGET_ABI32 |
4dbc422b | 4481 | /* enable 64 bit mode if possible */ |
0514ef2f | 4482 | if (!(env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM)) { |
4dbc422b | 4483 | fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n"); |
4d1275c2 | 4484 | exit(EXIT_FAILURE); |
4dbc422b | 4485 | } |
d2fd1af7 | 4486 | env->cr[4] |= CR4_PAE_MASK; |
4dbc422b | 4487 | env->efer |= MSR_EFER_LMA | MSR_EFER_LME; |
d2fd1af7 FB |
4488 | env->hflags |= HF_LMA_MASK; |
4489 | #endif | |
1bde465e | 4490 | |
415e561f FB |
4491 | /* flags setup : we activate the IRQs by default as in user mode */ |
4492 | env->eflags |= IF_MASK; | |
3b46e624 | 4493 | |
6dbad63e | 4494 | /* linux register setup */ |
d2fd1af7 | 4495 | #ifndef TARGET_ABI32 |
84409ddb JM |
4496 | env->regs[R_EAX] = regs->rax; |
4497 | env->regs[R_EBX] = regs->rbx; | |
4498 | env->regs[R_ECX] = regs->rcx; | |
4499 | env->regs[R_EDX] = regs->rdx; | |
4500 | env->regs[R_ESI] = regs->rsi; | |
4501 | env->regs[R_EDI] = regs->rdi; | |
4502 | env->regs[R_EBP] = regs->rbp; | |
4503 | env->regs[R_ESP] = regs->rsp; | |
4504 | env->eip = regs->rip; | |
4505 | #else | |
0ecfa993 FB |
4506 | env->regs[R_EAX] = regs->eax; |
4507 | env->regs[R_EBX] = regs->ebx; | |
4508 | env->regs[R_ECX] = regs->ecx; | |
4509 | env->regs[R_EDX] = regs->edx; | |
4510 | env->regs[R_ESI] = regs->esi; | |
4511 | env->regs[R_EDI] = regs->edi; | |
4512 | env->regs[R_EBP] = regs->ebp; | |
4513 | env->regs[R_ESP] = regs->esp; | |
dab2ed99 | 4514 | env->eip = regs->eip; |
84409ddb | 4515 | #endif |
31e31b8a | 4516 | |
f4beb510 | 4517 | /* linux interrupt setup */ |
e441570f AZ |
4518 | #ifndef TARGET_ABI32 |
4519 | env->idt.limit = 511; | |
4520 | #else | |
4521 | env->idt.limit = 255; | |
4522 | #endif | |
4523 | env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1), | |
4524 | PROT_READ|PROT_WRITE, | |
4525 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
4526 | idt_table = g2h(env->idt.base); | |
f4beb510 FB |
4527 | set_idt(0, 0); |
4528 | set_idt(1, 0); | |
4529 | set_idt(2, 0); | |
4530 | set_idt(3, 3); | |
4531 | set_idt(4, 3); | |
ec95da6c | 4532 | set_idt(5, 0); |
f4beb510 FB |
4533 | set_idt(6, 0); |
4534 | set_idt(7, 0); | |
4535 | set_idt(8, 0); | |
4536 | set_idt(9, 0); | |
4537 | set_idt(10, 0); | |
4538 | set_idt(11, 0); | |
4539 | set_idt(12, 0); | |
4540 | set_idt(13, 0); | |
4541 | set_idt(14, 0); | |
4542 | set_idt(15, 0); | |
4543 | set_idt(16, 0); | |
4544 | set_idt(17, 0); | |
4545 | set_idt(18, 0); | |
4546 | set_idt(19, 0); | |
4547 | set_idt(0x80, 3); | |
4548 | ||
6dbad63e | 4549 | /* linux segment setup */ |
8d18e893 FB |
4550 | { |
4551 | uint64_t *gdt_table; | |
e441570f AZ |
4552 | env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES, |
4553 | PROT_READ|PROT_WRITE, | |
4554 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
8d18e893 | 4555 | env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1; |
e441570f | 4556 | gdt_table = g2h(env->gdt.base); |
d2fd1af7 | 4557 | #ifdef TARGET_ABI32 |
8d18e893 FB |
4558 | write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, |
4559 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
4560 | (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); | |
d2fd1af7 FB |
4561 | #else |
4562 | /* 64 bit code segment */ | |
4563 | write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, | |
4564 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
4565 | DESC_L_MASK | | |
4566 | (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); | |
4567 | #endif | |
8d18e893 FB |
4568 | write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, |
4569 | DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | | |
4570 | (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); | |
4571 | } | |
6dbad63e | 4572 | cpu_x86_load_seg(env, R_CS, __USER_CS); |
d2fd1af7 FB |
4573 | cpu_x86_load_seg(env, R_SS, __USER_DS); |
4574 | #ifdef TARGET_ABI32 | |
6dbad63e FB |
4575 | cpu_x86_load_seg(env, R_DS, __USER_DS); |
4576 | cpu_x86_load_seg(env, R_ES, __USER_DS); | |
6dbad63e FB |
4577 | cpu_x86_load_seg(env, R_FS, __USER_DS); |
4578 | cpu_x86_load_seg(env, R_GS, __USER_DS); | |
d6eb40f6 TS |
4579 | /* This hack makes Wine work... */ |
4580 | env->segs[R_FS].selector = 0; | |
d2fd1af7 FB |
4581 | #else |
4582 | cpu_x86_load_seg(env, R_DS, 0); | |
4583 | cpu_x86_load_seg(env, R_ES, 0); | |
4584 | cpu_x86_load_seg(env, R_FS, 0); | |
4585 | cpu_x86_load_seg(env, R_GS, 0); | |
4586 | #endif | |
99033cae AG |
4587 | #elif defined(TARGET_AARCH64) |
4588 | { | |
4589 | int i; | |
4590 | ||
4591 | if (!(arm_feature(env, ARM_FEATURE_AARCH64))) { | |
4592 | fprintf(stderr, | |
4593 | "The selected ARM CPU does not support 64 bit mode\n"); | |
4d1275c2 | 4594 | exit(EXIT_FAILURE); |
99033cae AG |
4595 | } |
4596 | ||
4597 | for (i = 0; i < 31; i++) { | |
4598 | env->xregs[i] = regs->regs[i]; | |
4599 | } | |
4600 | env->pc = regs->pc; | |
4601 | env->xregs[31] = regs->sp; | |
4602 | } | |
b346ff46 FB |
4603 | #elif defined(TARGET_ARM) |
4604 | { | |
4605 | int i; | |
ae087923 PM |
4606 | cpsr_write(env, regs->uregs[16], CPSR_USER | CPSR_EXEC, |
4607 | CPSRWriteByInstr); | |
b346ff46 FB |
4608 | for(i = 0; i < 16; i++) { |
4609 | env->regs[i] = regs->uregs[i]; | |
4610 | } | |
f9fd40eb | 4611 | #ifdef TARGET_WORDS_BIGENDIAN |
d8fd2954 PB |
4612 | /* Enable BE8. */ |
4613 | if (EF_ARM_EABI_VERSION(info->elf_flags) >= EF_ARM_EABI_VER4 | |
4614 | && (info->elf_flags & EF_ARM_BE8)) { | |
9c5a7460 PC |
4615 | env->uncached_cpsr |= CPSR_E; |
4616 | env->cp15.sctlr_el[1] |= SCTLR_E0E; | |
f9fd40eb PB |
4617 | } else { |
4618 | env->cp15.sctlr_el[1] |= SCTLR_B; | |
d8fd2954 | 4619 | } |
f9fd40eb | 4620 | #endif |
b346ff46 | 4621 | } |
d2fbca94 GX |
4622 | #elif defined(TARGET_UNICORE32) |
4623 | { | |
4624 | int i; | |
4625 | cpu_asr_write(env, regs->uregs[32], 0xffffffff); | |
4626 | for (i = 0; i < 32; i++) { | |
4627 | env->regs[i] = regs->uregs[i]; | |
4628 | } | |
4629 | } | |
93ac68bc | 4630 | #elif defined(TARGET_SPARC) |
060366c5 FB |
4631 | { |
4632 | int i; | |
4633 | env->pc = regs->pc; | |
4634 | env->npc = regs->npc; | |
4635 | env->y = regs->y; | |
4636 | for(i = 0; i < 8; i++) | |
4637 | env->gregs[i] = regs->u_regs[i]; | |
4638 | for(i = 0; i < 8; i++) | |
4639 | env->regwptr[i] = regs->u_regs[i + 8]; | |
4640 | } | |
67867308 FB |
4641 | #elif defined(TARGET_PPC) |
4642 | { | |
4643 | int i; | |
3fc6c082 | 4644 | |
0411a972 | 4645 | #if defined(TARGET_PPC64) |
c8361129 | 4646 | int flag = (env->insns_flags2 & PPC2_BOOKE206) ? MSR_CM : MSR_SF; |
0411a972 | 4647 | #if defined(TARGET_ABI32) |
c8361129 | 4648 | env->msr &= ~((target_ulong)1 << flag); |
e85e7c6e | 4649 | #else |
c8361129 | 4650 | env->msr |= (target_ulong)1 << flag; |
0411a972 | 4651 | #endif |
84409ddb | 4652 | #endif |
67867308 FB |
4653 | env->nip = regs->nip; |
4654 | for(i = 0; i < 32; i++) { | |
4655 | env->gpr[i] = regs->gpr[i]; | |
4656 | } | |
4657 | } | |
e6e5906b PB |
4658 | #elif defined(TARGET_M68K) |
4659 | { | |
e6e5906b PB |
4660 | env->pc = regs->pc; |
4661 | env->dregs[0] = regs->d0; | |
4662 | env->dregs[1] = regs->d1; | |
4663 | env->dregs[2] = regs->d2; | |
4664 | env->dregs[3] = regs->d3; | |
4665 | env->dregs[4] = regs->d4; | |
4666 | env->dregs[5] = regs->d5; | |
4667 | env->dregs[6] = regs->d6; | |
4668 | env->dregs[7] = regs->d7; | |
4669 | env->aregs[0] = regs->a0; | |
4670 | env->aregs[1] = regs->a1; | |
4671 | env->aregs[2] = regs->a2; | |
4672 | env->aregs[3] = regs->a3; | |
4673 | env->aregs[4] = regs->a4; | |
4674 | env->aregs[5] = regs->a5; | |
4675 | env->aregs[6] = regs->a6; | |
4676 | env->aregs[7] = regs->usp; | |
4677 | env->sr = regs->sr; | |
4678 | ts->sim_syscalls = 1; | |
4679 | } | |
b779e29e EI |
4680 | #elif defined(TARGET_MICROBLAZE) |
4681 | { | |
4682 | env->regs[0] = regs->r0; | |
4683 | env->regs[1] = regs->r1; | |
4684 | env->regs[2] = regs->r2; | |
4685 | env->regs[3] = regs->r3; | |
4686 | env->regs[4] = regs->r4; | |
4687 | env->regs[5] = regs->r5; | |
4688 | env->regs[6] = regs->r6; | |
4689 | env->regs[7] = regs->r7; | |
4690 | env->regs[8] = regs->r8; | |
4691 | env->regs[9] = regs->r9; | |
4692 | env->regs[10] = regs->r10; | |
4693 | env->regs[11] = regs->r11; | |
4694 | env->regs[12] = regs->r12; | |
4695 | env->regs[13] = regs->r13; | |
4696 | env->regs[14] = regs->r14; | |
4697 | env->regs[15] = regs->r15; | |
4698 | env->regs[16] = regs->r16; | |
4699 | env->regs[17] = regs->r17; | |
4700 | env->regs[18] = regs->r18; | |
4701 | env->regs[19] = regs->r19; | |
4702 | env->regs[20] = regs->r20; | |
4703 | env->regs[21] = regs->r21; | |
4704 | env->regs[22] = regs->r22; | |
4705 | env->regs[23] = regs->r23; | |
4706 | env->regs[24] = regs->r24; | |
4707 | env->regs[25] = regs->r25; | |
4708 | env->regs[26] = regs->r26; | |
4709 | env->regs[27] = regs->r27; | |
4710 | env->regs[28] = regs->r28; | |
4711 | env->regs[29] = regs->r29; | |
4712 | env->regs[30] = regs->r30; | |
4713 | env->regs[31] = regs->r31; | |
4714 | env->sregs[SR_PC] = regs->pc; | |
4715 | } | |
048f6b4d FB |
4716 | #elif defined(TARGET_MIPS) |
4717 | { | |
4718 | int i; | |
4719 | ||
4720 | for(i = 0; i < 32; i++) { | |
b5dc7732 | 4721 | env->active_tc.gpr[i] = regs->regs[i]; |
048f6b4d | 4722 | } |
0fddbbf2 NF |
4723 | env->active_tc.PC = regs->cp0_epc & ~(target_ulong)1; |
4724 | if (regs->cp0_epc & 1) { | |
4725 | env->hflags |= MIPS_HFLAG_M16; | |
4726 | } | |
599bc5e8 AM |
4727 | if (((info->elf_flags & EF_MIPS_NAN2008) != 0) != |
4728 | ((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) != 0)) { | |
4729 | if ((env->active_fpu.fcr31_rw_bitmask & | |
4730 | (1 << FCR31_NAN2008)) == 0) { | |
4731 | fprintf(stderr, "ELF binary's NaN mode not supported by CPU\n"); | |
4732 | exit(1); | |
4733 | } | |
4734 | if ((info->elf_flags & EF_MIPS_NAN2008) != 0) { | |
4735 | env->active_fpu.fcr31 |= (1 << FCR31_NAN2008); | |
4736 | } else { | |
4737 | env->active_fpu.fcr31 &= ~(1 << FCR31_NAN2008); | |
4738 | } | |
4739 | restore_snan_bit_mode(env); | |
4740 | } | |
048f6b4d | 4741 | } |
a0a839b6 MV |
4742 | #elif defined(TARGET_NIOS2) |
4743 | { | |
4744 | env->regs[0] = 0; | |
4745 | env->regs[1] = regs->r1; | |
4746 | env->regs[2] = regs->r2; | |
4747 | env->regs[3] = regs->r3; | |
4748 | env->regs[4] = regs->r4; | |
4749 | env->regs[5] = regs->r5; | |
4750 | env->regs[6] = regs->r6; | |
4751 | env->regs[7] = regs->r7; | |
4752 | env->regs[8] = regs->r8; | |
4753 | env->regs[9] = regs->r9; | |
4754 | env->regs[10] = regs->r10; | |
4755 | env->regs[11] = regs->r11; | |
4756 | env->regs[12] = regs->r12; | |
4757 | env->regs[13] = regs->r13; | |
4758 | env->regs[14] = regs->r14; | |
4759 | env->regs[15] = regs->r15; | |
4760 | /* TODO: unsigned long orig_r2; */ | |
4761 | env->regs[R_RA] = regs->ra; | |
4762 | env->regs[R_FP] = regs->fp; | |
4763 | env->regs[R_SP] = regs->sp; | |
4764 | env->regs[R_GP] = regs->gp; | |
4765 | env->regs[CR_ESTATUS] = regs->estatus; | |
4766 | env->regs[R_EA] = regs->ea; | |
4767 | /* TODO: unsigned long orig_r7; */ | |
4768 | ||
4769 | /* Emulate eret when starting thread. */ | |
4770 | env->regs[R_PC] = regs->ea; | |
4771 | } | |
d962783e JL |
4772 | #elif defined(TARGET_OPENRISC) |
4773 | { | |
4774 | int i; | |
4775 | ||
4776 | for (i = 0; i < 32; i++) { | |
4777 | env->gpr[i] = regs->gpr[i]; | |
4778 | } | |
4779 | ||
4780 | env->sr = regs->sr; | |
4781 | env->pc = regs->pc; | |
4782 | } | |
fdf9b3e8 FB |
4783 | #elif defined(TARGET_SH4) |
4784 | { | |
4785 | int i; | |
4786 | ||
4787 | for(i = 0; i < 16; i++) { | |
4788 | env->gregs[i] = regs->regs[i]; | |
4789 | } | |
4790 | env->pc = regs->pc; | |
4791 | } | |
7a3148a9 JM |
4792 | #elif defined(TARGET_ALPHA) |
4793 | { | |
4794 | int i; | |
4795 | ||
4796 | for(i = 0; i < 28; i++) { | |
992f48a0 | 4797 | env->ir[i] = ((abi_ulong *)regs)[i]; |
7a3148a9 | 4798 | } |
dad081ee | 4799 | env->ir[IR_SP] = regs->usp; |
7a3148a9 | 4800 | env->pc = regs->pc; |
7a3148a9 | 4801 | } |
48733d19 TS |
4802 | #elif defined(TARGET_CRIS) |
4803 | { | |
4804 | env->regs[0] = regs->r0; | |
4805 | env->regs[1] = regs->r1; | |
4806 | env->regs[2] = regs->r2; | |
4807 | env->regs[3] = regs->r3; | |
4808 | env->regs[4] = regs->r4; | |
4809 | env->regs[5] = regs->r5; | |
4810 | env->regs[6] = regs->r6; | |
4811 | env->regs[7] = regs->r7; | |
4812 | env->regs[8] = regs->r8; | |
4813 | env->regs[9] = regs->r9; | |
4814 | env->regs[10] = regs->r10; | |
4815 | env->regs[11] = regs->r11; | |
4816 | env->regs[12] = regs->r12; | |
4817 | env->regs[13] = regs->r13; | |
4818 | env->regs[14] = info->start_stack; | |
4819 | env->regs[15] = regs->acr; | |
4820 | env->pc = regs->erp; | |
4821 | } | |
a4c075f1 UH |
4822 | #elif defined(TARGET_S390X) |
4823 | { | |
4824 | int i; | |
4825 | for (i = 0; i < 16; i++) { | |
4826 | env->regs[i] = regs->gprs[i]; | |
4827 | } | |
4828 | env->psw.mask = regs->psw.mask; | |
4829 | env->psw.addr = regs->psw.addr; | |
4830 | } | |
b16189b2 CG |
4831 | #elif defined(TARGET_TILEGX) |
4832 | { | |
4833 | int i; | |
4834 | for (i = 0; i < TILEGX_R_COUNT; i++) { | |
4835 | env->regs[i] = regs->regs[i]; | |
4836 | } | |
4837 | for (i = 0; i < TILEGX_SPR_COUNT; i++) { | |
4838 | env->spregs[i] = 0; | |
4839 | } | |
4840 | env->pc = regs->pc; | |
4841 | } | |
7c248bcd RH |
4842 | #elif defined(TARGET_HPPA) |
4843 | { | |
4844 | int i; | |
4845 | for (i = 1; i < 32; i++) { | |
4846 | env->gr[i] = regs->gr[i]; | |
4847 | } | |
4848 | env->iaoq_f = regs->iaoq[0]; | |
4849 | env->iaoq_b = regs->iaoq[1]; | |
4850 | } | |
b346ff46 FB |
4851 | #else |
4852 | #error unsupported target CPU | |
4853 | #endif | |
31e31b8a | 4854 | |
d2fbca94 | 4855 | #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) |
a87295e8 PB |
4856 | ts->stack_base = info->start_stack; |
4857 | ts->heap_base = info->brk; | |
4858 | /* This will be filled in on the first SYS_HEAPINFO call. */ | |
4859 | ts->heap_limit = 0; | |
4860 | #endif | |
4861 | ||
74c33bed | 4862 | if (gdbstub_port) { |
ff7a981a PM |
4863 | if (gdbserver_start(gdbstub_port) < 0) { |
4864 | fprintf(stderr, "qemu: could not open gdbserver on port %d\n", | |
4865 | gdbstub_port); | |
4d1275c2 | 4866 | exit(EXIT_FAILURE); |
ff7a981a | 4867 | } |
db6b81d4 | 4868 | gdb_handlesig(cpu, 0); |
1fddef4b | 4869 | } |
1b6b029e FB |
4870 | cpu_loop(env); |
4871 | /* never exits */ | |
31e31b8a FB |
4872 | return 0; |
4873 | } |