xref: /openbmc/qemu/accel/tcg/user-exec.c (revision 9f2d175d)
1 /*
2  *  User emulator execution
3  *
4  *  Copyright (c) 2003-2005 Fabrice Bellard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library 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 GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 #include "qemu/osdep.h"
20 #include "cpu.h"
21 #include "disas/disas.h"
22 #include "exec/exec-all.h"
23 #include "tcg.h"
24 #include "qemu/bitops.h"
25 #include "exec/cpu_ldst.h"
26 #include "translate-all.h"
27 #include "exec/helper-proto.h"
28 
29 #undef EAX
30 #undef ECX
31 #undef EDX
32 #undef EBX
33 #undef ESP
34 #undef EBP
35 #undef ESI
36 #undef EDI
37 #undef EIP
38 #ifdef __linux__
39 #include <sys/ucontext.h>
40 #endif
41 
42 __thread uintptr_t helper_retaddr;
43 
44 //#define DEBUG_SIGNAL
45 
46 /* exit the current TB from a signal handler. The host registers are
47    restored in a state compatible with the CPU emulator
48  */
49 static void cpu_exit_tb_from_sighandler(CPUState *cpu, sigset_t *old_set)
50 {
51     /* XXX: use siglongjmp ? */
52     sigprocmask(SIG_SETMASK, old_set, NULL);
53     cpu_loop_exit_noexc(cpu);
54 }
55 
56 /* 'pc' is the host PC at which the exception was raised. 'address' is
57    the effective address of the memory exception. 'is_write' is 1 if a
58    write caused the exception and otherwise 0'. 'old_set' is the
59    signal set which should be restored */
60 static inline int handle_cpu_signal(uintptr_t pc, siginfo_t *info,
61                                     int is_write, sigset_t *old_set)
62 {
63     CPUState *cpu = current_cpu;
64     CPUClass *cc;
65     int ret;
66     unsigned long address = (unsigned long)info->si_addr;
67 
68     /* We must handle PC addresses from two different sources:
69      * a call return address and a signal frame address.
70      *
71      * Within cpu_restore_state_from_tb we assume the former and adjust
72      * the address by -GETPC_ADJ so that the address is within the call
73      * insn so that addr does not accidentally match the beginning of the
74      * next guest insn.
75      *
76      * However, when the PC comes from the signal frame, it points to
77      * the actual faulting host insn and not a call insn.  Subtracting
78      * GETPC_ADJ in that case may accidentally match the previous guest insn.
79      *
80      * So for the later case, adjust forward to compensate for what
81      * will be done later by cpu_restore_state_from_tb.
82      */
83     if (helper_retaddr) {
84         pc = helper_retaddr;
85     } else {
86         pc += GETPC_ADJ;
87     }
88 
89     /* For synchronous signals we expect to be coming from the vCPU
90      * thread (so current_cpu should be valid) and either from running
91      * code or during translation which can fault as we cross pages.
92      *
93      * If neither is true then something has gone wrong and we should
94      * abort rather than try and restart the vCPU execution.
95      */
96     if (!cpu || !cpu->running) {
97         printf("qemu:%s received signal outside vCPU context @ pc=0x%"
98                PRIxPTR "\n",  __func__, pc);
99         abort();
100     }
101 
102 #if defined(DEBUG_SIGNAL)
103     printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
104            pc, address, is_write, *(unsigned long *)old_set);
105 #endif
106     /* XXX: locking issue */
107     /* Note that it is important that we don't call page_unprotect() unless
108      * this is really a "write to nonwriteable page" fault, because
109      * page_unprotect() assumes that if it is called for an access to
110      * a page that's writeable this means we had two threads racing and
111      * another thread got there first and already made the page writeable;
112      * so we will retry the access. If we were to call page_unprotect()
113      * for some other kind of fault that should really be passed to the
114      * guest, we'd end up in an infinite loop of retrying the faulting
115      * access.
116      */
117     if (is_write && info->si_signo == SIGSEGV && info->si_code == SEGV_ACCERR &&
118         h2g_valid(address)) {
119         switch (page_unprotect(h2g(address), pc)) {
120         case 0:
121             /* Fault not caused by a page marked unwritable to protect
122              * cached translations, must be the guest binary's problem.
123              */
124             break;
125         case 1:
126             /* Fault caused by protection of cached translation; TBs
127              * invalidated, so resume execution.  Retain helper_retaddr
128              * for a possible second fault.
129              */
130             return 1;
131         case 2:
132             /* Fault caused by protection of cached translation, and the
133              * currently executing TB was modified and must be exited
134              * immediately.  Clear helper_retaddr for next execution.
135              */
136             helper_retaddr = 0;
137             cpu_exit_tb_from_sighandler(cpu, old_set);
138             /* NORETURN */
139 
140         default:
141             g_assert_not_reached();
142         }
143     }
144 
145     /* Convert forcefully to guest address space, invalid addresses
146        are still valid segv ones */
147     address = h2g_nocheck(address);
148 
149     cc = CPU_GET_CLASS(cpu);
150     /* see if it is an MMU fault */
151     g_assert(cc->handle_mmu_fault);
152     ret = cc->handle_mmu_fault(cpu, address, 0, is_write, MMU_USER_IDX);
153 
154     if (ret == 0) {
155         /* The MMU fault was handled without causing real CPU fault.
156          *  Retain helper_retaddr for a possible second fault.
157          */
158         return 1;
159     }
160 
161     /* All other paths lead to cpu_exit; clear helper_retaddr
162      * for next execution.
163      */
164     helper_retaddr = 0;
165 
166     if (ret < 0) {
167         return 0; /* not an MMU fault */
168     }
169 
170     /* Now we have a real cpu fault.  */
171     cpu_restore_state(cpu, pc);
172 
173     sigprocmask(SIG_SETMASK, old_set, NULL);
174     cpu_loop_exit(cpu);
175 
176     /* never comes here */
177     return 1;
178 }
179 
180 #if defined(__i386__)
181 
182 #if defined(__NetBSD__)
183 #include <ucontext.h>
184 
185 #define EIP_sig(context)     ((context)->uc_mcontext.__gregs[_REG_EIP])
186 #define TRAP_sig(context)    ((context)->uc_mcontext.__gregs[_REG_TRAPNO])
187 #define ERROR_sig(context)   ((context)->uc_mcontext.__gregs[_REG_ERR])
188 #define MASK_sig(context)    ((context)->uc_sigmask)
189 #elif defined(__FreeBSD__) || defined(__DragonFly__)
190 #include <ucontext.h>
191 
192 #define EIP_sig(context)  (*((unsigned long *)&(context)->uc_mcontext.mc_eip))
193 #define TRAP_sig(context)    ((context)->uc_mcontext.mc_trapno)
194 #define ERROR_sig(context)   ((context)->uc_mcontext.mc_err)
195 #define MASK_sig(context)    ((context)->uc_sigmask)
196 #elif defined(__OpenBSD__)
197 #define EIP_sig(context)     ((context)->sc_eip)
198 #define TRAP_sig(context)    ((context)->sc_trapno)
199 #define ERROR_sig(context)   ((context)->sc_err)
200 #define MASK_sig(context)    ((context)->sc_mask)
201 #else
202 #define EIP_sig(context)     ((context)->uc_mcontext.gregs[REG_EIP])
203 #define TRAP_sig(context)    ((context)->uc_mcontext.gregs[REG_TRAPNO])
204 #define ERROR_sig(context)   ((context)->uc_mcontext.gregs[REG_ERR])
205 #define MASK_sig(context)    ((context)->uc_sigmask)
206 #endif
207 
208 int cpu_signal_handler(int host_signum, void *pinfo,
209                        void *puc)
210 {
211     siginfo_t *info = pinfo;
212 #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
213     ucontext_t *uc = puc;
214 #elif defined(__OpenBSD__)
215     struct sigcontext *uc = puc;
216 #else
217     ucontext_t *uc = puc;
218 #endif
219     unsigned long pc;
220     int trapno;
221 
222 #ifndef REG_EIP
223 /* for glibc 2.1 */
224 #define REG_EIP    EIP
225 #define REG_ERR    ERR
226 #define REG_TRAPNO TRAPNO
227 #endif
228     pc = EIP_sig(uc);
229     trapno = TRAP_sig(uc);
230     return handle_cpu_signal(pc, info,
231                              trapno == 0xe ? (ERROR_sig(uc) >> 1) & 1 : 0,
232                              &MASK_sig(uc));
233 }
234 
235 #elif defined(__x86_64__)
236 
237 #ifdef __NetBSD__
238 #define PC_sig(context)       _UC_MACHINE_PC(context)
239 #define TRAP_sig(context)     ((context)->uc_mcontext.__gregs[_REG_TRAPNO])
240 #define ERROR_sig(context)    ((context)->uc_mcontext.__gregs[_REG_ERR])
241 #define MASK_sig(context)     ((context)->uc_sigmask)
242 #elif defined(__OpenBSD__)
243 #define PC_sig(context)       ((context)->sc_rip)
244 #define TRAP_sig(context)     ((context)->sc_trapno)
245 #define ERROR_sig(context)    ((context)->sc_err)
246 #define MASK_sig(context)     ((context)->sc_mask)
247 #elif defined(__FreeBSD__) || defined(__DragonFly__)
248 #include <ucontext.h>
249 
250 #define PC_sig(context)  (*((unsigned long *)&(context)->uc_mcontext.mc_rip))
251 #define TRAP_sig(context)     ((context)->uc_mcontext.mc_trapno)
252 #define ERROR_sig(context)    ((context)->uc_mcontext.mc_err)
253 #define MASK_sig(context)     ((context)->uc_sigmask)
254 #else
255 #define PC_sig(context)       ((context)->uc_mcontext.gregs[REG_RIP])
256 #define TRAP_sig(context)     ((context)->uc_mcontext.gregs[REG_TRAPNO])
257 #define ERROR_sig(context)    ((context)->uc_mcontext.gregs[REG_ERR])
258 #define MASK_sig(context)     ((context)->uc_sigmask)
259 #endif
260 
261 int cpu_signal_handler(int host_signum, void *pinfo,
262                        void *puc)
263 {
264     siginfo_t *info = pinfo;
265     unsigned long pc;
266 #if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
267     ucontext_t *uc = puc;
268 #elif defined(__OpenBSD__)
269     struct sigcontext *uc = puc;
270 #else
271     ucontext_t *uc = puc;
272 #endif
273 
274     pc = PC_sig(uc);
275     return handle_cpu_signal(pc, info,
276                              TRAP_sig(uc) == 0xe ? (ERROR_sig(uc) >> 1) & 1 : 0,
277                              &MASK_sig(uc));
278 }
279 
280 #elif defined(_ARCH_PPC)
281 
282 /***********************************************************************
283  * signal context platform-specific definitions
284  * From Wine
285  */
286 #ifdef linux
287 /* All Registers access - only for local access */
288 #define REG_sig(reg_name, context)              \
289     ((context)->uc_mcontext.regs->reg_name)
290 /* Gpr Registers access  */
291 #define GPR_sig(reg_num, context)              REG_sig(gpr[reg_num], context)
292 /* Program counter */
293 #define IAR_sig(context)                       REG_sig(nip, context)
294 /* Machine State Register (Supervisor) */
295 #define MSR_sig(context)                       REG_sig(msr, context)
296 /* Count register */
297 #define CTR_sig(context)                       REG_sig(ctr, context)
298 /* User's integer exception register */
299 #define XER_sig(context)                       REG_sig(xer, context)
300 /* Link register */
301 #define LR_sig(context)                        REG_sig(link, context)
302 /* Condition register */
303 #define CR_sig(context)                        REG_sig(ccr, context)
304 
305 /* Float Registers access  */
306 #define FLOAT_sig(reg_num, context)                                     \
307     (((double *)((char *)((context)->uc_mcontext.regs + 48 * 4)))[reg_num])
308 #define FPSCR_sig(context) \
309     (*(int *)((char *)((context)->uc_mcontext.regs + (48 + 32 * 2) * 4)))
310 /* Exception Registers access */
311 #define DAR_sig(context)                       REG_sig(dar, context)
312 #define DSISR_sig(context)                     REG_sig(dsisr, context)
313 #define TRAP_sig(context)                      REG_sig(trap, context)
314 #endif /* linux */
315 
316 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
317 #include <ucontext.h>
318 #define IAR_sig(context)               ((context)->uc_mcontext.mc_srr0)
319 #define MSR_sig(context)               ((context)->uc_mcontext.mc_srr1)
320 #define CTR_sig(context)               ((context)->uc_mcontext.mc_ctr)
321 #define XER_sig(context)               ((context)->uc_mcontext.mc_xer)
322 #define LR_sig(context)                ((context)->uc_mcontext.mc_lr)
323 #define CR_sig(context)                ((context)->uc_mcontext.mc_cr)
324 /* Exception Registers access */
325 #define DAR_sig(context)               ((context)->uc_mcontext.mc_dar)
326 #define DSISR_sig(context)             ((context)->uc_mcontext.mc_dsisr)
327 #define TRAP_sig(context)              ((context)->uc_mcontext.mc_exc)
328 #endif /* __FreeBSD__|| __FreeBSD_kernel__ */
329 
330 int cpu_signal_handler(int host_signum, void *pinfo,
331                        void *puc)
332 {
333     siginfo_t *info = pinfo;
334 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
335     ucontext_t *uc = puc;
336 #else
337     ucontext_t *uc = puc;
338 #endif
339     unsigned long pc;
340     int is_write;
341 
342     pc = IAR_sig(uc);
343     is_write = 0;
344 #if 0
345     /* ppc 4xx case */
346     if (DSISR_sig(uc) & 0x00800000) {
347         is_write = 1;
348     }
349 #else
350     if (TRAP_sig(uc) != 0x400 && (DSISR_sig(uc) & 0x02000000)) {
351         is_write = 1;
352     }
353 #endif
354     return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
355 }
356 
357 #elif defined(__alpha__)
358 
359 int cpu_signal_handler(int host_signum, void *pinfo,
360                            void *puc)
361 {
362     siginfo_t *info = pinfo;
363     ucontext_t *uc = puc;
364     uint32_t *pc = uc->uc_mcontext.sc_pc;
365     uint32_t insn = *pc;
366     int is_write = 0;
367 
368     /* XXX: need kernel patch to get write flag faster */
369     switch (insn >> 26) {
370     case 0x0d: /* stw */
371     case 0x0e: /* stb */
372     case 0x0f: /* stq_u */
373     case 0x24: /* stf */
374     case 0x25: /* stg */
375     case 0x26: /* sts */
376     case 0x27: /* stt */
377     case 0x2c: /* stl */
378     case 0x2d: /* stq */
379     case 0x2e: /* stl_c */
380     case 0x2f: /* stq_c */
381         is_write = 1;
382     }
383 
384     return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
385 }
386 #elif defined(__sparc__)
387 
388 int cpu_signal_handler(int host_signum, void *pinfo,
389                        void *puc)
390 {
391     siginfo_t *info = pinfo;
392     int is_write;
393     uint32_t insn;
394 #if !defined(__arch64__) || defined(CONFIG_SOLARIS)
395     uint32_t *regs = (uint32_t *)(info + 1);
396     void *sigmask = (regs + 20);
397     /* XXX: is there a standard glibc define ? */
398     unsigned long pc = regs[1];
399 #else
400 #ifdef __linux__
401     struct sigcontext *sc = puc;
402     unsigned long pc = sc->sigc_regs.tpc;
403     void *sigmask = (void *)sc->sigc_mask;
404 #elif defined(__OpenBSD__)
405     struct sigcontext *uc = puc;
406     unsigned long pc = uc->sc_pc;
407     void *sigmask = (void *)(long)uc->sc_mask;
408 #elif defined(__NetBSD__)
409     ucontext_t *uc = puc;
410     unsigned long pc = _UC_MACHINE_PC(uc);
411     void *sigmask = (void *)&uc->uc_sigmask;
412 #endif
413 #endif
414 
415     /* XXX: need kernel patch to get write flag faster */
416     is_write = 0;
417     insn = *(uint32_t *)pc;
418     if ((insn >> 30) == 3) {
419         switch ((insn >> 19) & 0x3f) {
420         case 0x05: /* stb */
421         case 0x15: /* stba */
422         case 0x06: /* sth */
423         case 0x16: /* stha */
424         case 0x04: /* st */
425         case 0x14: /* sta */
426         case 0x07: /* std */
427         case 0x17: /* stda */
428         case 0x0e: /* stx */
429         case 0x1e: /* stxa */
430         case 0x24: /* stf */
431         case 0x34: /* stfa */
432         case 0x27: /* stdf */
433         case 0x37: /* stdfa */
434         case 0x26: /* stqf */
435         case 0x36: /* stqfa */
436         case 0x25: /* stfsr */
437         case 0x3c: /* casa */
438         case 0x3e: /* casxa */
439             is_write = 1;
440             break;
441         }
442     }
443     return handle_cpu_signal(pc, info, is_write, sigmask);
444 }
445 
446 #elif defined(__arm__)
447 
448 #if defined(__NetBSD__)
449 #include <ucontext.h>
450 #endif
451 
452 int cpu_signal_handler(int host_signum, void *pinfo,
453                        void *puc)
454 {
455     siginfo_t *info = pinfo;
456 #if defined(__NetBSD__)
457     ucontext_t *uc = puc;
458 #else
459     ucontext_t *uc = puc;
460 #endif
461     unsigned long pc;
462     int is_write;
463 
464 #if defined(__NetBSD__)
465     pc = uc->uc_mcontext.__gregs[_REG_R15];
466 #elif defined(__GLIBC__) && (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ <= 3))
467     pc = uc->uc_mcontext.gregs[R15];
468 #else
469     pc = uc->uc_mcontext.arm_pc;
470 #endif
471 
472     /* error_code is the FSR value, in which bit 11 is WnR (assuming a v6 or
473      * later processor; on v5 we will always report this as a read).
474      */
475     is_write = extract32(uc->uc_mcontext.error_code, 11, 1);
476     return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
477 }
478 
479 #elif defined(__aarch64__)
480 
481 int cpu_signal_handler(int host_signum, void *pinfo, void *puc)
482 {
483     siginfo_t *info = pinfo;
484     ucontext_t *uc = puc;
485     uintptr_t pc = uc->uc_mcontext.pc;
486     uint32_t insn = *(uint32_t *)pc;
487     bool is_write;
488 
489     /* XXX: need kernel patch to get write flag faster.  */
490     is_write = (   (insn & 0xbfff0000) == 0x0c000000   /* C3.3.1 */
491                 || (insn & 0xbfe00000) == 0x0c800000   /* C3.3.2 */
492                 || (insn & 0xbfdf0000) == 0x0d000000   /* C3.3.3 */
493                 || (insn & 0xbfc00000) == 0x0d800000   /* C3.3.4 */
494                 || (insn & 0x3f400000) == 0x08000000   /* C3.3.6 */
495                 || (insn & 0x3bc00000) == 0x39000000   /* C3.3.13 */
496                 || (insn & 0x3fc00000) == 0x3d800000   /* ... 128bit */
497                 /* Ingore bits 10, 11 & 21, controlling indexing.  */
498                 || (insn & 0x3bc00000) == 0x38000000   /* C3.3.8-12 */
499                 || (insn & 0x3fe00000) == 0x3c800000   /* ... 128bit */
500                 /* Ignore bits 23 & 24, controlling indexing.  */
501                 || (insn & 0x3a400000) == 0x28000000); /* C3.3.7,14-16 */
502 
503     return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
504 }
505 
506 #elif defined(__s390__)
507 
508 int cpu_signal_handler(int host_signum, void *pinfo,
509                        void *puc)
510 {
511     siginfo_t *info = pinfo;
512     ucontext_t *uc = puc;
513     unsigned long pc;
514     uint16_t *pinsn;
515     int is_write = 0;
516 
517     pc = uc->uc_mcontext.psw.addr;
518 
519     /* ??? On linux, the non-rt signal handler has 4 (!) arguments instead
520        of the normal 2 arguments.  The 3rd argument contains the "int_code"
521        from the hardware which does in fact contain the is_write value.
522        The rt signal handler, as far as I can tell, does not give this value
523        at all.  Not that we could get to it from here even if it were.  */
524     /* ??? This is not even close to complete, since it ignores all
525        of the read-modify-write instructions.  */
526     pinsn = (uint16_t *)pc;
527     switch (pinsn[0] >> 8) {
528     case 0x50: /* ST */
529     case 0x42: /* STC */
530     case 0x40: /* STH */
531         is_write = 1;
532         break;
533     case 0xc4: /* RIL format insns */
534         switch (pinsn[0] & 0xf) {
535         case 0xf: /* STRL */
536         case 0xb: /* STGRL */
537         case 0x7: /* STHRL */
538             is_write = 1;
539         }
540         break;
541     case 0xe3: /* RXY format insns */
542         switch (pinsn[2] & 0xff) {
543         case 0x50: /* STY */
544         case 0x24: /* STG */
545         case 0x72: /* STCY */
546         case 0x70: /* STHY */
547         case 0x8e: /* STPQ */
548         case 0x3f: /* STRVH */
549         case 0x3e: /* STRV */
550         case 0x2f: /* STRVG */
551             is_write = 1;
552         }
553         break;
554     }
555     return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
556 }
557 
558 #elif defined(__mips__)
559 
560 int cpu_signal_handler(int host_signum, void *pinfo,
561                        void *puc)
562 {
563     siginfo_t *info = pinfo;
564     ucontext_t *uc = puc;
565     greg_t pc = uc->uc_mcontext.pc;
566     int is_write;
567 
568     /* XXX: compute is_write */
569     is_write = 0;
570     return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
571 }
572 
573 #else
574 
575 #error host CPU specific signal handler needed
576 
577 #endif
578 
579 /* The softmmu versions of these helpers are in cputlb.c.  */
580 
581 /* Do not allow unaligned operations to proceed.  Return the host address.  */
582 static void *atomic_mmu_lookup(CPUArchState *env, target_ulong addr,
583                                int size, uintptr_t retaddr)
584 {
585     /* Enforce qemu required alignment.  */
586     if (unlikely(addr & (size - 1))) {
587         cpu_loop_exit_atomic(ENV_GET_CPU(env), retaddr);
588     }
589     helper_retaddr = retaddr;
590     return g2h(addr);
591 }
592 
593 /* Macro to call the above, with local variables from the use context.  */
594 #define ATOMIC_MMU_DECLS do {} while (0)
595 #define ATOMIC_MMU_LOOKUP  atomic_mmu_lookup(env, addr, DATA_SIZE, GETPC())
596 #define ATOMIC_MMU_CLEANUP do { helper_retaddr = 0; } while (0)
597 
598 #define ATOMIC_NAME(X)   HELPER(glue(glue(atomic_ ## X, SUFFIX), END))
599 #define EXTRA_ARGS
600 
601 #define DATA_SIZE 1
602 #include "atomic_template.h"
603 
604 #define DATA_SIZE 2
605 #include "atomic_template.h"
606 
607 #define DATA_SIZE 4
608 #include "atomic_template.h"
609 
610 #ifdef CONFIG_ATOMIC64
611 #define DATA_SIZE 8
612 #include "atomic_template.h"
613 #endif
614 
615 /* The following is only callable from other helpers, and matches up
616    with the softmmu version.  */
617 
618 #ifdef CONFIG_ATOMIC128
619 
620 #undef EXTRA_ARGS
621 #undef ATOMIC_NAME
622 #undef ATOMIC_MMU_LOOKUP
623 
624 #define EXTRA_ARGS     , TCGMemOpIdx oi, uintptr_t retaddr
625 #define ATOMIC_NAME(X) \
626     HELPER(glue(glue(glue(atomic_ ## X, SUFFIX), END), _mmu))
627 #define ATOMIC_MMU_LOOKUP  atomic_mmu_lookup(env, addr, DATA_SIZE, retaddr)
628 
629 #define DATA_SIZE 16
630 #include "atomic_template.h"
631 #endif /* CONFIG_ATOMIC128 */
632