4 * Copyright (c) 2003-2008 Fabrice Bellard
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.
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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
30 #include "qemu-common.h"
31 #include "cache-utils.h"
38 #define DEBUG_LOGFILE "/tmp/qemu.log"
42 static const char *interp_prefix = CONFIG_QEMU_PREFIX;
43 const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
45 #if defined(__i386__) && !defined(CONFIG_STATIC)
46 /* Force usage of an ELF interpreter even if it is an ELF shared
48 const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
51 /* for recent libc, we add these dummy symbols which are not declared
52 when generating a linked object (bug in ld ?) */
53 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
54 asm(".globl __preinit_array_start\n"
55 ".globl __preinit_array_end\n"
56 ".globl __init_array_start\n"
57 ".globl __init_array_end\n"
58 ".globl __fini_array_start\n"
59 ".globl __fini_array_end\n"
60 ".section \".rodata\"\n"
61 "__preinit_array_start:\n"
62 "__preinit_array_end:\n"
63 "__init_array_start:\n"
65 "__fini_array_start:\n"
71 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
72 we allocate a bigger stack. Need a better solution, for example
73 by remapping the process stack directly at the right place */
74 unsigned long x86_stack_size = 512 * 1024;
76 void gemu_log(const char *fmt, ...)
81 vfprintf(stderr, fmt, ap);
85 void cpu_outb(CPUState *env, int addr, int val)
87 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
90 void cpu_outw(CPUState *env, int addr, int val)
92 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
95 void cpu_outl(CPUState *env, int addr, int val)
97 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
100 int cpu_inb(CPUState *env, int addr)
102 fprintf(stderr, "inb: port=0x%04x\n", addr);
106 int cpu_inw(CPUState *env, int addr)
108 fprintf(stderr, "inw: port=0x%04x\n", addr);
112 int cpu_inl(CPUState *env, int addr)
114 fprintf(stderr, "inl: port=0x%04x\n", addr);
118 #if defined(TARGET_I386)
119 int cpu_get_pic_interrupt(CPUState *env)
125 /* timers for rdtsc */
129 static uint64_t emu_time;
131 int64_t cpu_get_real_ticks(void)
138 #if defined(USE_NPTL)
139 /***********************************************************/
140 /* Helper routines for implementing atomic operations. */
142 /* To implement exclusive operations we force all cpus to syncronise.
143 We don't require a full sync, only that no cpus are executing guest code.
144 The alternative is to map target atomic ops onto host equivalents,
145 which requires quite a lot of per host/target work. */
146 static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER;
147 static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER;
148 static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER;
149 static int pending_cpus;
151 /* Make sure everything is in a consistent state for calling fork(). */
152 void fork_start(void)
155 pthread_mutex_lock(&tb_lock);
156 pthread_mutex_lock(&exclusive_lock);
159 void fork_end(int child)
162 /* Child processes created by fork() only have a single thread.
163 Discard information about the parent threads. */
164 first_cpu = thread_env;
165 thread_env->next_cpu = NULL;
167 pthread_mutex_init(&exclusive_lock, NULL);
168 pthread_cond_init(&exclusive_cond, NULL);
169 pthread_cond_init(&exclusive_resume, NULL);
170 pthread_mutex_init(&tb_lock, NULL);
171 gdbserver_fork(thread_env);
173 pthread_mutex_unlock(&exclusive_lock);
174 pthread_mutex_unlock(&tb_lock);
176 mmap_fork_end(child);
179 /* Wait for pending exclusive operations to complete. The exclusive lock
181 static inline void exclusive_idle(void)
183 while (pending_cpus) {
184 pthread_cond_wait(&exclusive_resume, &exclusive_lock);
188 /* Start an exclusive operation.
189 Must only be called from outside cpu_arm_exec. */
190 static inline void start_exclusive(void)
193 pthread_mutex_lock(&exclusive_lock);
197 /* Make all other cpus stop executing. */
198 for (other = first_cpu; other; other = other->next_cpu) {
199 if (other->running) {
201 cpu_interrupt(other, CPU_INTERRUPT_EXIT);
204 if (pending_cpus > 1) {
205 pthread_cond_wait(&exclusive_cond, &exclusive_lock);
209 /* Finish an exclusive operation. */
210 static inline void end_exclusive(void)
213 pthread_cond_broadcast(&exclusive_resume);
214 pthread_mutex_unlock(&exclusive_lock);
217 /* Wait for exclusive ops to finish, and begin cpu execution. */
218 static inline void cpu_exec_start(CPUState *env)
220 pthread_mutex_lock(&exclusive_lock);
223 pthread_mutex_unlock(&exclusive_lock);
226 /* Mark cpu as not executing, and release pending exclusive ops. */
227 static inline void cpu_exec_end(CPUState *env)
229 pthread_mutex_lock(&exclusive_lock);
231 if (pending_cpus > 1) {
233 if (pending_cpus == 1) {
234 pthread_cond_signal(&exclusive_cond);
238 pthread_mutex_unlock(&exclusive_lock);
240 #else /* if !USE_NPTL */
241 /* These are no-ops because we are not threadsafe. */
242 static inline void cpu_exec_start(CPUState *env)
246 static inline void cpu_exec_end(CPUState *env)
250 static inline void start_exclusive(void)
254 static inline void end_exclusive(void)
258 void fork_start(void)
262 void fork_end(int child)
265 gdbserver_fork(thread_env);
272 /***********************************************************/
273 /* CPUX86 core interface */
275 void cpu_smm_update(CPUState *env)
279 uint64_t cpu_get_tsc(CPUX86State *env)
281 return cpu_get_real_ticks();
284 static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
289 e1 = (addr << 16) | (limit & 0xffff);
290 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
297 static uint64_t *idt_table;
299 static void set_gate64(void *ptr, unsigned int type, unsigned int dpl,
300 uint64_t addr, unsigned int sel)
303 e1 = (addr & 0xffff) | (sel << 16);
304 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
308 p[2] = tswap32(addr >> 32);
311 /* only dpl matters as we do only user space emulation */
312 static void set_idt(int n, unsigned int dpl)
314 set_gate64(idt_table + n * 2, 0, dpl, 0, 0);
317 static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
318 uint32_t addr, unsigned int sel)
321 e1 = (addr & 0xffff) | (sel << 16);
322 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
328 /* only dpl matters as we do only user space emulation */
329 static void set_idt(int n, unsigned int dpl)
331 set_gate(idt_table + n, 0, dpl, 0, 0);
335 void cpu_loop(CPUX86State *env)
339 target_siginfo_t info;
342 trapnr = cpu_x86_exec(env);
345 /* linux syscall from int $0x80 */
346 env->regs[R_EAX] = do_syscall(env,
357 /* linux syscall from syscall intruction */
358 env->regs[R_EAX] = do_syscall(env,
366 env->eip = env->exception_next_eip;
371 info.si_signo = SIGBUS;
373 info.si_code = TARGET_SI_KERNEL;
374 info._sifields._sigfault._addr = 0;
375 queue_signal(env, info.si_signo, &info);
378 /* XXX: potential problem if ABI32 */
379 #ifndef TARGET_X86_64
380 if (env->eflags & VM_MASK) {
381 handle_vm86_fault(env);
385 info.si_signo = SIGSEGV;
387 info.si_code = TARGET_SI_KERNEL;
388 info._sifields._sigfault._addr = 0;
389 queue_signal(env, info.si_signo, &info);
393 info.si_signo = SIGSEGV;
395 if (!(env->error_code & 1))
396 info.si_code = TARGET_SEGV_MAPERR;
398 info.si_code = TARGET_SEGV_ACCERR;
399 info._sifields._sigfault._addr = env->cr[2];
400 queue_signal(env, info.si_signo, &info);
403 #ifndef TARGET_X86_64
404 if (env->eflags & VM_MASK) {
405 handle_vm86_trap(env, trapnr);
409 /* division by zero */
410 info.si_signo = SIGFPE;
412 info.si_code = TARGET_FPE_INTDIV;
413 info._sifields._sigfault._addr = env->eip;
414 queue_signal(env, info.si_signo, &info);
419 #ifndef TARGET_X86_64
420 if (env->eflags & VM_MASK) {
421 handle_vm86_trap(env, trapnr);
425 info.si_signo = SIGTRAP;
427 if (trapnr == EXCP01_DB) {
428 info.si_code = TARGET_TRAP_BRKPT;
429 info._sifields._sigfault._addr = env->eip;
431 info.si_code = TARGET_SI_KERNEL;
432 info._sifields._sigfault._addr = 0;
434 queue_signal(env, info.si_signo, &info);
439 #ifndef TARGET_X86_64
440 if (env->eflags & VM_MASK) {
441 handle_vm86_trap(env, trapnr);
445 info.si_signo = SIGSEGV;
447 info.si_code = TARGET_SI_KERNEL;
448 info._sifields._sigfault._addr = 0;
449 queue_signal(env, info.si_signo, &info);
453 info.si_signo = SIGILL;
455 info.si_code = TARGET_ILL_ILLOPN;
456 info._sifields._sigfault._addr = env->eip;
457 queue_signal(env, info.si_signo, &info);
460 /* just indicate that signals should be handled asap */
466 sig = gdb_handlesig (env, TARGET_SIGTRAP);
471 info.si_code = TARGET_TRAP_BRKPT;
472 queue_signal(env, info.si_signo, &info);
477 pc = env->segs[R_CS].base + env->eip;
478 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
482 process_pending_signals(env);
489 static void arm_cache_flush(abi_ulong start, abi_ulong last)
491 abi_ulong addr, last1;
497 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
500 tb_invalidate_page_range(addr, last1 + 1);
507 /* Handle a jump to the kernel code page. */
509 do_kernel_trap(CPUARMState *env)
515 switch (env->regs[15]) {
516 case 0xffff0fa0: /* __kernel_memory_barrier */
517 /* ??? No-op. Will need to do better for SMP. */
519 case 0xffff0fc0: /* __kernel_cmpxchg */
520 /* XXX: This only works between threads, not between processes.
521 It's probably possible to implement this with native host
522 operations. However things like ldrex/strex are much harder so
523 there's not much point trying. */
525 cpsr = cpsr_read(env);
527 /* FIXME: This should SEGV if the access fails. */
528 if (get_user_u32(val, addr))
530 if (val == env->regs[0]) {
532 /* FIXME: Check for segfaults. */
533 put_user_u32(val, addr);
540 cpsr_write(env, cpsr, CPSR_C);
543 case 0xffff0fe0: /* __kernel_get_tls */
544 env->regs[0] = env->cp15.c13_tls2;
549 /* Jump back to the caller. */
550 addr = env->regs[14];
555 env->regs[15] = addr;
560 void cpu_loop(CPUARMState *env)
563 unsigned int n, insn;
564 target_siginfo_t info;
569 trapnr = cpu_arm_exec(env);
574 TaskState *ts = env->opaque;
578 /* we handle the FPU emulation here, as Linux */
579 /* we get the opcode */
580 /* FIXME - what to do if get_user() fails? */
581 get_user_u32(opcode, env->regs[15]);
583 rc = EmulateAll(opcode, &ts->fpa, env);
584 if (rc == 0) { /* illegal instruction */
585 info.si_signo = SIGILL;
587 info.si_code = TARGET_ILL_ILLOPN;
588 info._sifields._sigfault._addr = env->regs[15];
589 queue_signal(env, info.si_signo, &info);
590 } else if (rc < 0) { /* FP exception */
593 /* translate softfloat flags to FPSR flags */
594 if (-rc & float_flag_invalid)
596 if (-rc & float_flag_divbyzero)
598 if (-rc & float_flag_overflow)
600 if (-rc & float_flag_underflow)
602 if (-rc & float_flag_inexact)
605 FPSR fpsr = ts->fpa.fpsr;
606 //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe);
608 if (fpsr & (arm_fpe << 16)) { /* exception enabled? */
609 info.si_signo = SIGFPE;
612 /* ordered by priority, least first */
613 if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES;
614 if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND;
615 if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF;
616 if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV;
617 if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV;
619 info._sifields._sigfault._addr = env->regs[15];
620 queue_signal(env, info.si_signo, &info);
625 /* accumulate unenabled exceptions */
626 if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC))
628 if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC))
630 if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC))
632 if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC))
634 if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC))
637 } else { /* everything OK */
648 if (trapnr == EXCP_BKPT) {
650 /* FIXME - what to do if get_user() fails? */
651 get_user_u16(insn, env->regs[15]);
655 /* FIXME - what to do if get_user() fails? */
656 get_user_u32(insn, env->regs[15]);
657 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
662 /* FIXME - what to do if get_user() fails? */
663 get_user_u16(insn, env->regs[15] - 2);
666 /* FIXME - what to do if get_user() fails? */
667 get_user_u32(insn, env->regs[15] - 4);
672 if (n == ARM_NR_cacheflush) {
673 arm_cache_flush(env->regs[0], env->regs[1]);
674 } else if (n == ARM_NR_semihosting
675 || n == ARM_NR_thumb_semihosting) {
676 env->regs[0] = do_arm_semihosting (env);
677 } else if (n == 0 || n >= ARM_SYSCALL_BASE
678 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
680 if (env->thumb || n == 0) {
683 n -= ARM_SYSCALL_BASE;
686 if ( n > ARM_NR_BASE) {
688 case ARM_NR_cacheflush:
689 arm_cache_flush(env->regs[0], env->regs[1]);
692 cpu_set_tls(env, env->regs[0]);
696 gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
698 env->regs[0] = -TARGET_ENOSYS;
702 env->regs[0] = do_syscall(env,
717 /* just indicate that signals should be handled asap */
719 case EXCP_PREFETCH_ABORT:
720 addr = env->cp15.c6_insn;
722 case EXCP_DATA_ABORT:
723 addr = env->cp15.c6_data;
727 info.si_signo = SIGSEGV;
729 /* XXX: check env->error_code */
730 info.si_code = TARGET_SEGV_MAPERR;
731 info._sifields._sigfault._addr = addr;
732 queue_signal(env, info.si_signo, &info);
739 sig = gdb_handlesig (env, TARGET_SIGTRAP);
744 info.si_code = TARGET_TRAP_BRKPT;
745 queue_signal(env, info.si_signo, &info);
749 case EXCP_KERNEL_TRAP:
750 if (do_kernel_trap(env))
755 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
757 cpu_dump_state(env, stderr, fprintf, 0);
760 process_pending_signals(env);
767 #define SPARC64_STACK_BIAS 2047
771 /* WARNING: dealing with register windows _is_ complicated. More info
772 can be found at http://www.sics.se/~psm/sparcstack.html */
773 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
775 index = (index + cwp * 16) % (16 * env->nwindows);
776 /* wrap handling : if cwp is on the last window, then we use the
777 registers 'after' the end */
778 if (index < 8 && env->cwp == env->nwindows - 1)
779 index += 16 * env->nwindows;
783 /* save the register window 'cwp1' */
784 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
789 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
790 #ifdef TARGET_SPARC64
792 sp_ptr += SPARC64_STACK_BIAS;
794 #if defined(DEBUG_WIN)
795 printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n",
798 for(i = 0; i < 16; i++) {
799 /* FIXME - what to do if put_user() fails? */
800 put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
801 sp_ptr += sizeof(abi_ulong);
805 static void save_window(CPUSPARCState *env)
807 #ifndef TARGET_SPARC64
808 unsigned int new_wim;
809 new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) &
810 ((1LL << env->nwindows) - 1);
811 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
814 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
820 static void restore_window(CPUSPARCState *env)
822 #ifndef TARGET_SPARC64
823 unsigned int new_wim;
825 unsigned int i, cwp1;
828 #ifndef TARGET_SPARC64
829 new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) &
830 ((1LL << env->nwindows) - 1);
833 /* restore the invalid window */
834 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
835 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
836 #ifdef TARGET_SPARC64
838 sp_ptr += SPARC64_STACK_BIAS;
840 #if defined(DEBUG_WIN)
841 printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n",
844 for(i = 0; i < 16; i++) {
845 /* FIXME - what to do if get_user() fails? */
846 get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
847 sp_ptr += sizeof(abi_ulong);
849 #ifdef TARGET_SPARC64
851 if (env->cleanwin < env->nwindows - 1)
859 static void flush_windows(CPUSPARCState *env)
865 /* if restore would invoke restore_window(), then we can stop */
866 cwp1 = cpu_cwp_inc(env, env->cwp + offset);
867 #ifndef TARGET_SPARC64
868 if (env->wim & (1 << cwp1))
871 if (env->canrestore == 0)
876 save_window_offset(env, cwp1);
879 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
880 #ifndef TARGET_SPARC64
881 /* set wim so that restore will reload the registers */
882 env->wim = 1 << cwp1;
884 #if defined(DEBUG_WIN)
885 printf("flush_windows: nb=%d\n", offset - 1);
889 void cpu_loop (CPUSPARCState *env)
892 target_siginfo_t info;
895 trapnr = cpu_sparc_exec (env);
898 #ifndef TARGET_SPARC64
905 ret = do_syscall (env, env->gregs[1],
906 env->regwptr[0], env->regwptr[1],
907 env->regwptr[2], env->regwptr[3],
908 env->regwptr[4], env->regwptr[5]);
909 if ((unsigned int)ret >= (unsigned int)(-515)) {
910 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
911 env->xcc |= PSR_CARRY;
913 env->psr |= PSR_CARRY;
917 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
918 env->xcc &= ~PSR_CARRY;
920 env->psr &= ~PSR_CARRY;
923 env->regwptr[0] = ret;
924 /* next instruction */
926 env->npc = env->npc + 4;
928 case 0x83: /* flush windows */
933 /* next instruction */
935 env->npc = env->npc + 4;
937 #ifndef TARGET_SPARC64
938 case TT_WIN_OVF: /* window overflow */
941 case TT_WIN_UNF: /* window underflow */
947 info.si_signo = SIGSEGV;
949 /* XXX: check env->error_code */
950 info.si_code = TARGET_SEGV_MAPERR;
951 info._sifields._sigfault._addr = env->mmuregs[4];
952 queue_signal(env, info.si_signo, &info);
956 case TT_SPILL: /* window overflow */
959 case TT_FILL: /* window underflow */
965 info.si_signo = SIGSEGV;
967 /* XXX: check env->error_code */
968 info.si_code = TARGET_SEGV_MAPERR;
969 if (trapnr == TT_DFAULT)
970 info._sifields._sigfault._addr = env->dmmuregs[4];
972 info._sifields._sigfault._addr = env->tsptr->tpc;
973 queue_signal(env, info.si_signo, &info);
979 sparc64_get_context(env);
983 sparc64_set_context(env);
988 /* just indicate that signals should be handled asap */
994 sig = gdb_handlesig (env, TARGET_SIGTRAP);
999 info.si_code = TARGET_TRAP_BRKPT;
1000 queue_signal(env, info.si_signo, &info);
1005 printf ("Unhandled trap: 0x%x\n", trapnr);
1006 cpu_dump_state(env, stderr, fprintf, 0);
1009 process_pending_signals (env);
1016 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
1022 uint32_t cpu_ppc_load_tbl (CPUState *env)
1024 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1027 uint32_t cpu_ppc_load_tbu (CPUState *env)
1029 return cpu_ppc_get_tb(env) >> 32;
1032 uint32_t cpu_ppc_load_atbl (CPUState *env)
1034 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1037 uint32_t cpu_ppc_load_atbu (CPUState *env)
1039 return cpu_ppc_get_tb(env) >> 32;
1042 uint32_t cpu_ppc601_load_rtcu (CPUState *env)
1043 __attribute__ (( alias ("cpu_ppc_load_tbu") ));
1045 uint32_t cpu_ppc601_load_rtcl (CPUState *env)
1047 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
1050 /* XXX: to be fixed */
1051 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
1056 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
1061 #define EXCP_DUMP(env, fmt, args...) \
1063 fprintf(stderr, fmt , ##args); \
1064 cpu_dump_state(env, stderr, fprintf, 0); \
1065 if (loglevel != 0) { \
1066 fprintf(logfile, fmt , ##args); \
1067 cpu_dump_state(env, logfile, fprintf, 0); \
1071 void cpu_loop(CPUPPCState *env)
1073 target_siginfo_t info;
1078 trapnr = cpu_ppc_exec(env);
1080 case POWERPC_EXCP_NONE:
1083 case POWERPC_EXCP_CRITICAL: /* Critical input */
1084 cpu_abort(env, "Critical interrupt while in user mode. "
1087 case POWERPC_EXCP_MCHECK: /* Machine check exception */
1088 cpu_abort(env, "Machine check exception while in user mode. "
1091 case POWERPC_EXCP_DSI: /* Data storage exception */
1092 EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
1094 /* XXX: check this. Seems bugged */
1095 switch (env->error_code & 0xFF000000) {
1097 info.si_signo = TARGET_SIGSEGV;
1099 info.si_code = TARGET_SEGV_MAPERR;
1102 info.si_signo = TARGET_SIGILL;
1104 info.si_code = TARGET_ILL_ILLADR;
1107 info.si_signo = TARGET_SIGSEGV;
1109 info.si_code = TARGET_SEGV_ACCERR;
1112 /* Let's send a regular segfault... */
1113 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1115 info.si_signo = TARGET_SIGSEGV;
1117 info.si_code = TARGET_SEGV_MAPERR;
1120 info._sifields._sigfault._addr = env->nip;
1121 queue_signal(env, info.si_signo, &info);
1123 case POWERPC_EXCP_ISI: /* Instruction storage exception */
1124 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
1125 env->spr[SPR_SRR0]);
1126 /* XXX: check this */
1127 switch (env->error_code & 0xFF000000) {
1129 info.si_signo = TARGET_SIGSEGV;
1131 info.si_code = TARGET_SEGV_MAPERR;
1135 info.si_signo = TARGET_SIGSEGV;
1137 info.si_code = TARGET_SEGV_ACCERR;
1140 /* Let's send a regular segfault... */
1141 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1143 info.si_signo = TARGET_SIGSEGV;
1145 info.si_code = TARGET_SEGV_MAPERR;
1148 info._sifields._sigfault._addr = env->nip - 4;
1149 queue_signal(env, info.si_signo, &info);
1151 case POWERPC_EXCP_EXTERNAL: /* External input */
1152 cpu_abort(env, "External interrupt while in user mode. "
1155 case POWERPC_EXCP_ALIGN: /* Alignment exception */
1156 EXCP_DUMP(env, "Unaligned memory access\n");
1157 /* XXX: check this */
1158 info.si_signo = TARGET_SIGBUS;
1160 info.si_code = TARGET_BUS_ADRALN;
1161 info._sifields._sigfault._addr = env->nip - 4;
1162 queue_signal(env, info.si_signo, &info);
1164 case POWERPC_EXCP_PROGRAM: /* Program exception */
1165 /* XXX: check this */
1166 switch (env->error_code & ~0xF) {
1167 case POWERPC_EXCP_FP:
1168 EXCP_DUMP(env, "Floating point program exception\n");
1169 info.si_signo = TARGET_SIGFPE;
1171 switch (env->error_code & 0xF) {
1172 case POWERPC_EXCP_FP_OX:
1173 info.si_code = TARGET_FPE_FLTOVF;
1175 case POWERPC_EXCP_FP_UX:
1176 info.si_code = TARGET_FPE_FLTUND;
1178 case POWERPC_EXCP_FP_ZX:
1179 case POWERPC_EXCP_FP_VXZDZ:
1180 info.si_code = TARGET_FPE_FLTDIV;
1182 case POWERPC_EXCP_FP_XX:
1183 info.si_code = TARGET_FPE_FLTRES;
1185 case POWERPC_EXCP_FP_VXSOFT:
1186 info.si_code = TARGET_FPE_FLTINV;
1188 case POWERPC_EXCP_FP_VXSNAN:
1189 case POWERPC_EXCP_FP_VXISI:
1190 case POWERPC_EXCP_FP_VXIDI:
1191 case POWERPC_EXCP_FP_VXIMZ:
1192 case POWERPC_EXCP_FP_VXVC:
1193 case POWERPC_EXCP_FP_VXSQRT:
1194 case POWERPC_EXCP_FP_VXCVI:
1195 info.si_code = TARGET_FPE_FLTSUB;
1198 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
1203 case POWERPC_EXCP_INVAL:
1204 EXCP_DUMP(env, "Invalid instruction\n");
1205 info.si_signo = TARGET_SIGILL;
1207 switch (env->error_code & 0xF) {
1208 case POWERPC_EXCP_INVAL_INVAL:
1209 info.si_code = TARGET_ILL_ILLOPC;
1211 case POWERPC_EXCP_INVAL_LSWX:
1212 info.si_code = TARGET_ILL_ILLOPN;
1214 case POWERPC_EXCP_INVAL_SPR:
1215 info.si_code = TARGET_ILL_PRVREG;
1217 case POWERPC_EXCP_INVAL_FP:
1218 info.si_code = TARGET_ILL_COPROC;
1221 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
1222 env->error_code & 0xF);
1223 info.si_code = TARGET_ILL_ILLADR;
1227 case POWERPC_EXCP_PRIV:
1228 EXCP_DUMP(env, "Privilege violation\n");
1229 info.si_signo = TARGET_SIGILL;
1231 switch (env->error_code & 0xF) {
1232 case POWERPC_EXCP_PRIV_OPC:
1233 info.si_code = TARGET_ILL_PRVOPC;
1235 case POWERPC_EXCP_PRIV_REG:
1236 info.si_code = TARGET_ILL_PRVREG;
1239 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
1240 env->error_code & 0xF);
1241 info.si_code = TARGET_ILL_PRVOPC;
1245 case POWERPC_EXCP_TRAP:
1246 cpu_abort(env, "Tried to call a TRAP\n");
1249 /* Should not happen ! */
1250 cpu_abort(env, "Unknown program exception (%02x)\n",
1254 info._sifields._sigfault._addr = env->nip - 4;
1255 queue_signal(env, info.si_signo, &info);
1257 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
1258 EXCP_DUMP(env, "No floating point allowed\n");
1259 info.si_signo = TARGET_SIGILL;
1261 info.si_code = TARGET_ILL_COPROC;
1262 info._sifields._sigfault._addr = env->nip - 4;
1263 queue_signal(env, info.si_signo, &info);
1265 case POWERPC_EXCP_SYSCALL: /* System call exception */
1266 cpu_abort(env, "Syscall exception while in user mode. "
1269 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
1270 EXCP_DUMP(env, "No APU instruction allowed\n");
1271 info.si_signo = TARGET_SIGILL;
1273 info.si_code = TARGET_ILL_COPROC;
1274 info._sifields._sigfault._addr = env->nip - 4;
1275 queue_signal(env, info.si_signo, &info);
1277 case POWERPC_EXCP_DECR: /* Decrementer exception */
1278 cpu_abort(env, "Decrementer interrupt while in user mode. "
1281 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
1282 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
1285 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
1286 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
1289 case POWERPC_EXCP_DTLB: /* Data TLB error */
1290 cpu_abort(env, "Data TLB exception while in user mode. "
1293 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
1294 cpu_abort(env, "Instruction TLB exception while in user mode. "
1297 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
1298 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
1299 info.si_signo = TARGET_SIGILL;
1301 info.si_code = TARGET_ILL_COPROC;
1302 info._sifields._sigfault._addr = env->nip - 4;
1303 queue_signal(env, info.si_signo, &info);
1305 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
1306 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
1308 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
1309 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
1311 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
1312 cpu_abort(env, "Performance monitor exception not handled\n");
1314 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
1315 cpu_abort(env, "Doorbell interrupt while in user mode. "
1318 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1319 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1322 case POWERPC_EXCP_RESET: /* System reset exception */
1323 cpu_abort(env, "Reset interrupt while in user mode. "
1326 case POWERPC_EXCP_DSEG: /* Data segment exception */
1327 cpu_abort(env, "Data segment exception while in user mode. "
1330 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1331 cpu_abort(env, "Instruction segment exception "
1332 "while in user mode. Aborting\n");
1334 /* PowerPC 64 with hypervisor mode support */
1335 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1336 cpu_abort(env, "Hypervisor decrementer interrupt "
1337 "while in user mode. Aborting\n");
1339 case POWERPC_EXCP_TRACE: /* Trace exception */
1341 * we use this exception to emulate step-by-step execution mode.
1344 /* PowerPC 64 with hypervisor mode support */
1345 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1346 cpu_abort(env, "Hypervisor data storage exception "
1347 "while in user mode. Aborting\n");
1349 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1350 cpu_abort(env, "Hypervisor instruction storage exception "
1351 "while in user mode. Aborting\n");
1353 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1354 cpu_abort(env, "Hypervisor data segment exception "
1355 "while in user mode. Aborting\n");
1357 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1358 cpu_abort(env, "Hypervisor instruction segment exception "
1359 "while in user mode. Aborting\n");
1361 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1362 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1363 info.si_signo = TARGET_SIGILL;
1365 info.si_code = TARGET_ILL_COPROC;
1366 info._sifields._sigfault._addr = env->nip - 4;
1367 queue_signal(env, info.si_signo, &info);
1369 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1370 cpu_abort(env, "Programable interval timer interrupt "
1371 "while in user mode. Aborting\n");
1373 case POWERPC_EXCP_IO: /* IO error exception */
1374 cpu_abort(env, "IO error exception while in user mode. "
1377 case POWERPC_EXCP_RUNM: /* Run mode exception */
1378 cpu_abort(env, "Run mode exception while in user mode. "
1381 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1382 cpu_abort(env, "Emulation trap exception not handled\n");
1384 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1385 cpu_abort(env, "Instruction fetch TLB exception "
1386 "while in user-mode. Aborting");
1388 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1389 cpu_abort(env, "Data load TLB exception while in user-mode. "
1392 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1393 cpu_abort(env, "Data store TLB exception while in user-mode. "
1396 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1397 cpu_abort(env, "Floating-point assist exception not handled\n");
1399 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1400 cpu_abort(env, "Instruction address breakpoint exception "
1403 case POWERPC_EXCP_SMI: /* System management interrupt */
1404 cpu_abort(env, "System management interrupt while in user mode. "
1407 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1408 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1411 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1412 cpu_abort(env, "Performance monitor exception not handled\n");
1414 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1415 cpu_abort(env, "Vector assist exception not handled\n");
1417 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1418 cpu_abort(env, "Soft patch exception not handled\n");
1420 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1421 cpu_abort(env, "Maintenance exception while in user mode. "
1424 case POWERPC_EXCP_STOP: /* stop translation */
1425 /* We did invalidate the instruction cache. Go on */
1427 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1428 /* We just stopped because of a branch. Go on */
1430 case POWERPC_EXCP_SYSCALL_USER:
1431 /* system call in user-mode emulation */
1433 * PPC ABI uses overflow flag in cr0 to signal an error
1437 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1438 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1440 env->crf[0] &= ~0x1;
1441 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1442 env->gpr[5], env->gpr[6], env->gpr[7],
1444 if (ret > (uint32_t)(-515)) {
1450 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1457 sig = gdb_handlesig(env, TARGET_SIGTRAP);
1459 info.si_signo = sig;
1461 info.si_code = TARGET_TRAP_BRKPT;
1462 queue_signal(env, info.si_signo, &info);
1466 case EXCP_INTERRUPT:
1467 /* just indicate that signals should be handled asap */
1470 cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1473 process_pending_signals(env);
1480 #define MIPS_SYS(name, args) args,
1482 static const uint8_t mips_syscall_args[] = {
1483 MIPS_SYS(sys_syscall , 0) /* 4000 */
1484 MIPS_SYS(sys_exit , 1)
1485 MIPS_SYS(sys_fork , 0)
1486 MIPS_SYS(sys_read , 3)
1487 MIPS_SYS(sys_write , 3)
1488 MIPS_SYS(sys_open , 3) /* 4005 */
1489 MIPS_SYS(sys_close , 1)
1490 MIPS_SYS(sys_waitpid , 3)
1491 MIPS_SYS(sys_creat , 2)
1492 MIPS_SYS(sys_link , 2)
1493 MIPS_SYS(sys_unlink , 1) /* 4010 */
1494 MIPS_SYS(sys_execve , 0)
1495 MIPS_SYS(sys_chdir , 1)
1496 MIPS_SYS(sys_time , 1)
1497 MIPS_SYS(sys_mknod , 3)
1498 MIPS_SYS(sys_chmod , 2) /* 4015 */
1499 MIPS_SYS(sys_lchown , 3)
1500 MIPS_SYS(sys_ni_syscall , 0)
1501 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1502 MIPS_SYS(sys_lseek , 3)
1503 MIPS_SYS(sys_getpid , 0) /* 4020 */
1504 MIPS_SYS(sys_mount , 5)
1505 MIPS_SYS(sys_oldumount , 1)
1506 MIPS_SYS(sys_setuid , 1)
1507 MIPS_SYS(sys_getuid , 0)
1508 MIPS_SYS(sys_stime , 1) /* 4025 */
1509 MIPS_SYS(sys_ptrace , 4)
1510 MIPS_SYS(sys_alarm , 1)
1511 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1512 MIPS_SYS(sys_pause , 0)
1513 MIPS_SYS(sys_utime , 2) /* 4030 */
1514 MIPS_SYS(sys_ni_syscall , 0)
1515 MIPS_SYS(sys_ni_syscall , 0)
1516 MIPS_SYS(sys_access , 2)
1517 MIPS_SYS(sys_nice , 1)
1518 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1519 MIPS_SYS(sys_sync , 0)
1520 MIPS_SYS(sys_kill , 2)
1521 MIPS_SYS(sys_rename , 2)
1522 MIPS_SYS(sys_mkdir , 2)
1523 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1524 MIPS_SYS(sys_dup , 1)
1525 MIPS_SYS(sys_pipe , 0)
1526 MIPS_SYS(sys_times , 1)
1527 MIPS_SYS(sys_ni_syscall , 0)
1528 MIPS_SYS(sys_brk , 1) /* 4045 */
1529 MIPS_SYS(sys_setgid , 1)
1530 MIPS_SYS(sys_getgid , 0)
1531 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1532 MIPS_SYS(sys_geteuid , 0)
1533 MIPS_SYS(sys_getegid , 0) /* 4050 */
1534 MIPS_SYS(sys_acct , 0)
1535 MIPS_SYS(sys_umount , 2)
1536 MIPS_SYS(sys_ni_syscall , 0)
1537 MIPS_SYS(sys_ioctl , 3)
1538 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1539 MIPS_SYS(sys_ni_syscall , 2)
1540 MIPS_SYS(sys_setpgid , 2)
1541 MIPS_SYS(sys_ni_syscall , 0)
1542 MIPS_SYS(sys_olduname , 1)
1543 MIPS_SYS(sys_umask , 1) /* 4060 */
1544 MIPS_SYS(sys_chroot , 1)
1545 MIPS_SYS(sys_ustat , 2)
1546 MIPS_SYS(sys_dup2 , 2)
1547 MIPS_SYS(sys_getppid , 0)
1548 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1549 MIPS_SYS(sys_setsid , 0)
1550 MIPS_SYS(sys_sigaction , 3)
1551 MIPS_SYS(sys_sgetmask , 0)
1552 MIPS_SYS(sys_ssetmask , 1)
1553 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1554 MIPS_SYS(sys_setregid , 2)
1555 MIPS_SYS(sys_sigsuspend , 0)
1556 MIPS_SYS(sys_sigpending , 1)
1557 MIPS_SYS(sys_sethostname , 2)
1558 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1559 MIPS_SYS(sys_getrlimit , 2)
1560 MIPS_SYS(sys_getrusage , 2)
1561 MIPS_SYS(sys_gettimeofday, 2)
1562 MIPS_SYS(sys_settimeofday, 2)
1563 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1564 MIPS_SYS(sys_setgroups , 2)
1565 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1566 MIPS_SYS(sys_symlink , 2)
1567 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1568 MIPS_SYS(sys_readlink , 3) /* 4085 */
1569 MIPS_SYS(sys_uselib , 1)
1570 MIPS_SYS(sys_swapon , 2)
1571 MIPS_SYS(sys_reboot , 3)
1572 MIPS_SYS(old_readdir , 3)
1573 MIPS_SYS(old_mmap , 6) /* 4090 */
1574 MIPS_SYS(sys_munmap , 2)
1575 MIPS_SYS(sys_truncate , 2)
1576 MIPS_SYS(sys_ftruncate , 2)
1577 MIPS_SYS(sys_fchmod , 2)
1578 MIPS_SYS(sys_fchown , 3) /* 4095 */
1579 MIPS_SYS(sys_getpriority , 2)
1580 MIPS_SYS(sys_setpriority , 3)
1581 MIPS_SYS(sys_ni_syscall , 0)
1582 MIPS_SYS(sys_statfs , 2)
1583 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1584 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1585 MIPS_SYS(sys_socketcall , 2)
1586 MIPS_SYS(sys_syslog , 3)
1587 MIPS_SYS(sys_setitimer , 3)
1588 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1589 MIPS_SYS(sys_newstat , 2)
1590 MIPS_SYS(sys_newlstat , 2)
1591 MIPS_SYS(sys_newfstat , 2)
1592 MIPS_SYS(sys_uname , 1)
1593 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1594 MIPS_SYS(sys_vhangup , 0)
1595 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1596 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1597 MIPS_SYS(sys_wait4 , 4)
1598 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1599 MIPS_SYS(sys_sysinfo , 1)
1600 MIPS_SYS(sys_ipc , 6)
1601 MIPS_SYS(sys_fsync , 1)
1602 MIPS_SYS(sys_sigreturn , 0)
1603 MIPS_SYS(sys_clone , 0) /* 4120 */
1604 MIPS_SYS(sys_setdomainname, 2)
1605 MIPS_SYS(sys_newuname , 1)
1606 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1607 MIPS_SYS(sys_adjtimex , 1)
1608 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1609 MIPS_SYS(sys_sigprocmask , 3)
1610 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1611 MIPS_SYS(sys_init_module , 5)
1612 MIPS_SYS(sys_delete_module, 1)
1613 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1614 MIPS_SYS(sys_quotactl , 0)
1615 MIPS_SYS(sys_getpgid , 1)
1616 MIPS_SYS(sys_fchdir , 1)
1617 MIPS_SYS(sys_bdflush , 2)
1618 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1619 MIPS_SYS(sys_personality , 1)
1620 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1621 MIPS_SYS(sys_setfsuid , 1)
1622 MIPS_SYS(sys_setfsgid , 1)
1623 MIPS_SYS(sys_llseek , 5) /* 4140 */
1624 MIPS_SYS(sys_getdents , 3)
1625 MIPS_SYS(sys_select , 5)
1626 MIPS_SYS(sys_flock , 2)
1627 MIPS_SYS(sys_msync , 3)
1628 MIPS_SYS(sys_readv , 3) /* 4145 */
1629 MIPS_SYS(sys_writev , 3)
1630 MIPS_SYS(sys_cacheflush , 3)
1631 MIPS_SYS(sys_cachectl , 3)
1632 MIPS_SYS(sys_sysmips , 4)
1633 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1634 MIPS_SYS(sys_getsid , 1)
1635 MIPS_SYS(sys_fdatasync , 0)
1636 MIPS_SYS(sys_sysctl , 1)
1637 MIPS_SYS(sys_mlock , 2)
1638 MIPS_SYS(sys_munlock , 2) /* 4155 */
1639 MIPS_SYS(sys_mlockall , 1)
1640 MIPS_SYS(sys_munlockall , 0)
1641 MIPS_SYS(sys_sched_setparam, 2)
1642 MIPS_SYS(sys_sched_getparam, 2)
1643 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1644 MIPS_SYS(sys_sched_getscheduler, 1)
1645 MIPS_SYS(sys_sched_yield , 0)
1646 MIPS_SYS(sys_sched_get_priority_max, 1)
1647 MIPS_SYS(sys_sched_get_priority_min, 1)
1648 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1649 MIPS_SYS(sys_nanosleep, 2)
1650 MIPS_SYS(sys_mremap , 4)
1651 MIPS_SYS(sys_accept , 3)
1652 MIPS_SYS(sys_bind , 3)
1653 MIPS_SYS(sys_connect , 3) /* 4170 */
1654 MIPS_SYS(sys_getpeername , 3)
1655 MIPS_SYS(sys_getsockname , 3)
1656 MIPS_SYS(sys_getsockopt , 5)
1657 MIPS_SYS(sys_listen , 2)
1658 MIPS_SYS(sys_recv , 4) /* 4175 */
1659 MIPS_SYS(sys_recvfrom , 6)
1660 MIPS_SYS(sys_recvmsg , 3)
1661 MIPS_SYS(sys_send , 4)
1662 MIPS_SYS(sys_sendmsg , 3)
1663 MIPS_SYS(sys_sendto , 6) /* 4180 */
1664 MIPS_SYS(sys_setsockopt , 5)
1665 MIPS_SYS(sys_shutdown , 2)
1666 MIPS_SYS(sys_socket , 3)
1667 MIPS_SYS(sys_socketpair , 4)
1668 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1669 MIPS_SYS(sys_getresuid , 3)
1670 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1671 MIPS_SYS(sys_poll , 3)
1672 MIPS_SYS(sys_nfsservctl , 3)
1673 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1674 MIPS_SYS(sys_getresgid , 3)
1675 MIPS_SYS(sys_prctl , 5)
1676 MIPS_SYS(sys_rt_sigreturn, 0)
1677 MIPS_SYS(sys_rt_sigaction, 4)
1678 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1679 MIPS_SYS(sys_rt_sigpending, 2)
1680 MIPS_SYS(sys_rt_sigtimedwait, 4)
1681 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1682 MIPS_SYS(sys_rt_sigsuspend, 0)
1683 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1684 MIPS_SYS(sys_pwrite64 , 6)
1685 MIPS_SYS(sys_chown , 3)
1686 MIPS_SYS(sys_getcwd , 2)
1687 MIPS_SYS(sys_capget , 2)
1688 MIPS_SYS(sys_capset , 2) /* 4205 */
1689 MIPS_SYS(sys_sigaltstack , 0)
1690 MIPS_SYS(sys_sendfile , 4)
1691 MIPS_SYS(sys_ni_syscall , 0)
1692 MIPS_SYS(sys_ni_syscall , 0)
1693 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1694 MIPS_SYS(sys_truncate64 , 4)
1695 MIPS_SYS(sys_ftruncate64 , 4)
1696 MIPS_SYS(sys_stat64 , 2)
1697 MIPS_SYS(sys_lstat64 , 2)
1698 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1699 MIPS_SYS(sys_pivot_root , 2)
1700 MIPS_SYS(sys_mincore , 3)
1701 MIPS_SYS(sys_madvise , 3)
1702 MIPS_SYS(sys_getdents64 , 3)
1703 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1704 MIPS_SYS(sys_ni_syscall , 0)
1705 MIPS_SYS(sys_gettid , 0)
1706 MIPS_SYS(sys_readahead , 5)
1707 MIPS_SYS(sys_setxattr , 5)
1708 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1709 MIPS_SYS(sys_fsetxattr , 5)
1710 MIPS_SYS(sys_getxattr , 4)
1711 MIPS_SYS(sys_lgetxattr , 4)
1712 MIPS_SYS(sys_fgetxattr , 4)
1713 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1714 MIPS_SYS(sys_llistxattr , 3)
1715 MIPS_SYS(sys_flistxattr , 3)
1716 MIPS_SYS(sys_removexattr , 2)
1717 MIPS_SYS(sys_lremovexattr, 2)
1718 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1719 MIPS_SYS(sys_tkill , 2)
1720 MIPS_SYS(sys_sendfile64 , 5)
1721 MIPS_SYS(sys_futex , 2)
1722 MIPS_SYS(sys_sched_setaffinity, 3)
1723 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1724 MIPS_SYS(sys_io_setup , 2)
1725 MIPS_SYS(sys_io_destroy , 1)
1726 MIPS_SYS(sys_io_getevents, 5)
1727 MIPS_SYS(sys_io_submit , 3)
1728 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1729 MIPS_SYS(sys_exit_group , 1)
1730 MIPS_SYS(sys_lookup_dcookie, 3)
1731 MIPS_SYS(sys_epoll_create, 1)
1732 MIPS_SYS(sys_epoll_ctl , 4)
1733 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1734 MIPS_SYS(sys_remap_file_pages, 5)
1735 MIPS_SYS(sys_set_tid_address, 1)
1736 MIPS_SYS(sys_restart_syscall, 0)
1737 MIPS_SYS(sys_fadvise64_64, 7)
1738 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1739 MIPS_SYS(sys_fstatfs64 , 2)
1740 MIPS_SYS(sys_timer_create, 3)
1741 MIPS_SYS(sys_timer_settime, 4)
1742 MIPS_SYS(sys_timer_gettime, 2)
1743 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1744 MIPS_SYS(sys_timer_delete, 1)
1745 MIPS_SYS(sys_clock_settime, 2)
1746 MIPS_SYS(sys_clock_gettime, 2)
1747 MIPS_SYS(sys_clock_getres, 2)
1748 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1749 MIPS_SYS(sys_tgkill , 3)
1750 MIPS_SYS(sys_utimes , 2)
1751 MIPS_SYS(sys_mbind , 4)
1752 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1753 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1754 MIPS_SYS(sys_mq_open , 4)
1755 MIPS_SYS(sys_mq_unlink , 1)
1756 MIPS_SYS(sys_mq_timedsend, 5)
1757 MIPS_SYS(sys_mq_timedreceive, 5)
1758 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1759 MIPS_SYS(sys_mq_getsetattr, 3)
1760 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1761 MIPS_SYS(sys_waitid , 4)
1762 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1763 MIPS_SYS(sys_add_key , 5)
1764 MIPS_SYS(sys_request_key, 4)
1765 MIPS_SYS(sys_keyctl , 5)
1766 MIPS_SYS(sys_set_thread_area, 1)
1767 MIPS_SYS(sys_inotify_init, 0)
1768 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1769 MIPS_SYS(sys_inotify_rm_watch, 2)
1770 MIPS_SYS(sys_migrate_pages, 4)
1771 MIPS_SYS(sys_openat, 4)
1772 MIPS_SYS(sys_mkdirat, 3)
1773 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1774 MIPS_SYS(sys_fchownat, 5)
1775 MIPS_SYS(sys_futimesat, 3)
1776 MIPS_SYS(sys_fstatat64, 4)
1777 MIPS_SYS(sys_unlinkat, 3)
1778 MIPS_SYS(sys_renameat, 4) /* 4295 */
1779 MIPS_SYS(sys_linkat, 5)
1780 MIPS_SYS(sys_symlinkat, 3)
1781 MIPS_SYS(sys_readlinkat, 4)
1782 MIPS_SYS(sys_fchmodat, 3)
1783 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1784 MIPS_SYS(sys_pselect6, 6)
1785 MIPS_SYS(sys_ppoll, 5)
1786 MIPS_SYS(sys_unshare, 1)
1787 MIPS_SYS(sys_splice, 4)
1788 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1789 MIPS_SYS(sys_tee, 4)
1790 MIPS_SYS(sys_vmsplice, 4)
1791 MIPS_SYS(sys_move_pages, 6)
1792 MIPS_SYS(sys_set_robust_list, 2)
1793 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1794 MIPS_SYS(sys_kexec_load, 4)
1795 MIPS_SYS(sys_getcpu, 3)
1796 MIPS_SYS(sys_epoll_pwait, 6)
1797 MIPS_SYS(sys_ioprio_set, 3)
1798 MIPS_SYS(sys_ioprio_get, 2)
1803 void cpu_loop(CPUMIPSState *env)
1805 target_siginfo_t info;
1807 unsigned int syscall_num;
1810 trapnr = cpu_mips_exec(env);
1813 syscall_num = env->active_tc.gpr[2] - 4000;
1814 env->active_tc.PC += 4;
1815 if (syscall_num >= sizeof(mips_syscall_args)) {
1820 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1822 nb_args = mips_syscall_args[syscall_num];
1823 sp_reg = env->active_tc.gpr[29];
1825 /* these arguments are taken from the stack */
1826 /* FIXME - what to do if get_user() fails? */
1827 case 8: get_user_ual(arg8, sp_reg + 28);
1828 case 7: get_user_ual(arg7, sp_reg + 24);
1829 case 6: get_user_ual(arg6, sp_reg + 20);
1830 case 5: get_user_ual(arg5, sp_reg + 16);
1834 ret = do_syscall(env, env->active_tc.gpr[2],
1835 env->active_tc.gpr[4],
1836 env->active_tc.gpr[5],
1837 env->active_tc.gpr[6],
1838 env->active_tc.gpr[7],
1839 arg5, arg6/*, arg7, arg8*/);
1841 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1842 env->active_tc.gpr[7] = 1; /* error flag */
1845 env->active_tc.gpr[7] = 0; /* error flag */
1847 env->active_tc.gpr[2] = ret;
1853 info.si_signo = TARGET_SIGILL;
1856 queue_signal(env, info.si_signo, &info);
1858 case EXCP_INTERRUPT:
1859 /* just indicate that signals should be handled asap */
1865 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1868 info.si_signo = sig;
1870 info.si_code = TARGET_TRAP_BRKPT;
1871 queue_signal(env, info.si_signo, &info);
1877 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1879 cpu_dump_state(env, stderr, fprintf, 0);
1882 process_pending_signals(env);
1888 void cpu_loop (CPUState *env)
1891 target_siginfo_t info;
1894 trapnr = cpu_sh4_exec (env);
1899 ret = do_syscall(env,
1907 env->gregs[0] = ret;
1909 case EXCP_INTERRUPT:
1910 /* just indicate that signals should be handled asap */
1916 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1919 info.si_signo = sig;
1921 info.si_code = TARGET_TRAP_BRKPT;
1922 queue_signal(env, info.si_signo, &info);
1928 info.si_signo = SIGSEGV;
1930 info.si_code = TARGET_SEGV_MAPERR;
1931 info._sifields._sigfault._addr = env->tea;
1932 queue_signal(env, info.si_signo, &info);
1936 printf ("Unhandled trap: 0x%x\n", trapnr);
1937 cpu_dump_state(env, stderr, fprintf, 0);
1940 process_pending_signals (env);
1946 void cpu_loop (CPUState *env)
1949 target_siginfo_t info;
1952 trapnr = cpu_cris_exec (env);
1956 info.si_signo = SIGSEGV;
1958 /* XXX: check env->error_code */
1959 info.si_code = TARGET_SEGV_MAPERR;
1960 info._sifields._sigfault._addr = env->pregs[PR_EDA];
1961 queue_signal(env, info.si_signo, &info);
1964 case EXCP_INTERRUPT:
1965 /* just indicate that signals should be handled asap */
1968 ret = do_syscall(env,
1976 env->regs[10] = ret;
1982 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1985 info.si_signo = sig;
1987 info.si_code = TARGET_TRAP_BRKPT;
1988 queue_signal(env, info.si_signo, &info);
1993 printf ("Unhandled trap: 0x%x\n", trapnr);
1994 cpu_dump_state(env, stderr, fprintf, 0);
1997 process_pending_signals (env);
2004 void cpu_loop(CPUM68KState *env)
2008 target_siginfo_t info;
2009 TaskState *ts = env->opaque;
2012 trapnr = cpu_m68k_exec(env);
2016 if (ts->sim_syscalls) {
2018 nr = lduw(env->pc + 2);
2020 do_m68k_simcall(env, nr);
2026 case EXCP_HALT_INSN:
2027 /* Semihosing syscall. */
2029 do_m68k_semihosting(env, env->dregs[0]);
2033 case EXCP_UNSUPPORTED:
2035 info.si_signo = SIGILL;
2037 info.si_code = TARGET_ILL_ILLOPN;
2038 info._sifields._sigfault._addr = env->pc;
2039 queue_signal(env, info.si_signo, &info);
2043 ts->sim_syscalls = 0;
2046 env->dregs[0] = do_syscall(env,
2056 case EXCP_INTERRUPT:
2057 /* just indicate that signals should be handled asap */
2061 info.si_signo = SIGSEGV;
2063 /* XXX: check env->error_code */
2064 info.si_code = TARGET_SEGV_MAPERR;
2065 info._sifields._sigfault._addr = env->mmu.ar;
2066 queue_signal(env, info.si_signo, &info);
2073 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2076 info.si_signo = sig;
2078 info.si_code = TARGET_TRAP_BRKPT;
2079 queue_signal(env, info.si_signo, &info);
2084 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
2086 cpu_dump_state(env, stderr, fprintf, 0);
2089 process_pending_signals(env);
2092 #endif /* TARGET_M68K */
2095 void cpu_loop (CPUState *env)
2098 target_siginfo_t info;
2101 trapnr = cpu_alpha_exec (env);
2105 fprintf(stderr, "Reset requested. Exit\n");
2109 fprintf(stderr, "Machine check exception. Exit\n");
2113 fprintf(stderr, "Arithmetic trap.\n");
2116 case EXCP_HW_INTERRUPT:
2117 fprintf(stderr, "External interrupt. Exit\n");
2121 fprintf(stderr, "MMU data fault\n");
2124 case EXCP_DTB_MISS_PAL:
2125 fprintf(stderr, "MMU data TLB miss in PALcode\n");
2129 fprintf(stderr, "MMU instruction TLB miss\n");
2133 fprintf(stderr, "MMU instruction access violation\n");
2136 case EXCP_DTB_MISS_NATIVE:
2137 fprintf(stderr, "MMU data TLB miss\n");
2141 fprintf(stderr, "Unaligned access\n");
2145 fprintf(stderr, "Invalid instruction\n");
2149 fprintf(stderr, "Floating-point not allowed\n");
2152 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
2153 call_pal(env, (trapnr >> 6) | 0x80);
2155 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
2156 fprintf(stderr, "Privileged call to PALcode\n");
2163 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2166 info.si_signo = sig;
2168 info.si_code = TARGET_TRAP_BRKPT;
2169 queue_signal(env, info.si_signo, &info);
2174 printf ("Unhandled trap: 0x%x\n", trapnr);
2175 cpu_dump_state(env, stderr, fprintf, 0);
2178 process_pending_signals (env);
2181 #endif /* TARGET_ALPHA */
2183 static void usage(void)
2185 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
2186 "usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n"
2187 "Linux CPU emulator (compiled for %s emulation)\n"
2189 "Standard options:\n"
2190 "-h print this help\n"
2191 "-g port wait gdb connection to port\n"
2192 "-L path set the elf interpreter prefix (default=%s)\n"
2193 "-s size set the stack size in bytes (default=%ld)\n"
2194 "-cpu model select CPU (-cpu ? for list)\n"
2195 "-drop-ld-preload drop LD_PRELOAD for target process\n"
2196 "-E var=value sets/modifies targets environment variable(s)\n"
2197 "-U var unsets targets environment variable(s)\n"
2198 "-0 argv0 forces target process argv[0] to be argv0\n"
2201 "-d options activate log (logfile=%s)\n"
2202 "-p pagesize set the host page size to 'pagesize'\n"
2203 "-strace log system calls\n"
2205 "Environment variables:\n"
2206 "QEMU_STRACE Print system calls and arguments similar to the\n"
2207 " 'strace' program. Enable by setting to any value.\n"
2208 "You can use -E and -U options to set/unset environment variables\n"
2209 "for target process. It is possible to provide several variables\n"
2210 "by repeating the option. For example:\n"
2211 " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n"
2212 "Note that if you provide several changes to single variable\n"
2213 "last change will stay in effect.\n"
2223 THREAD CPUState *thread_env;
2225 /* Assumes contents are already zeroed. */
2226 void init_task_state(TaskState *ts)
2231 ts->first_free = ts->sigqueue_table;
2232 for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) {
2233 ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1];
2235 ts->sigqueue_table[i].next = NULL;
2238 int main(int argc, char **argv, char **envp)
2240 char *filename = NULL;
2241 const char *cpu_model;
2242 struct target_pt_regs regs1, *regs = ®s1;
2243 struct image_info info1, *info = &info1;
2244 TaskState ts1, *ts = &ts1;
2248 int gdbstub_port = 0;
2249 char **target_environ, **wrk;
2252 int drop_ld_preload = 1;
2253 envlist_t *envlist = NULL;
2254 const char *argv0 = NULL;
2260 qemu_cache_utils_init(envp);
2263 cpu_set_log_filename(DEBUG_LOGFILE);
2265 if ((envlist = envlist_create()) == NULL) {
2266 (void) fprintf(stderr, "Unable to allocate envlist\n");
2270 /* add current environment into the list */
2271 for (wrk = environ; *wrk != NULL; wrk++) {
2272 (void) envlist_setenv(envlist, *wrk);
2285 if (!strcmp(r, "-")) {
2287 } else if (!strcmp(r, "d")) {
2289 const CPULogItem *item;
2295 mask = cpu_str_to_log_mask(r);
2297 printf("Log items (comma separated):\n");
2298 for(item = cpu_log_items; item->mask != 0; item++) {
2299 printf("%-10s %s\n", item->name, item->help);
2304 } else if (!strcmp(r, "E")) {
2306 if (envlist_setenv(envlist, r) != 0)
2308 } else if (!strcmp(r, "U")) {
2310 if (envlist_unsetenv(envlist, r) != 0)
2312 } else if (!strcmp(r, "0")) {
2315 } else if (!strcmp(r,"-sbox-call")) {
2319 } else if (!strcmp(r, "s")) {
2321 x86_stack_size = strtol(r, (char **)&r, 0);
2322 if (x86_stack_size <= 0)
2325 x86_stack_size *= 1024 * 1024;
2326 else if (*r == 'k' || *r == 'K')
2327 x86_stack_size *= 1024;
2328 } else if (!strcmp(r, "L")) {
2329 interp_prefix = argv[optind++];
2330 } else if (!strcmp(r, "p")) {
2331 qemu_host_page_size = atoi(argv[optind++]);
2332 if (qemu_host_page_size == 0 ||
2333 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
2334 fprintf(stderr, "page size must be a power of two\n");
2337 } else if (!strcmp(r, "g")) {
2338 gdbstub_port = atoi(argv[optind++]);
2339 } else if (!strcmp(r, "r")) {
2340 qemu_uname_release = argv[optind++];
2341 } else if (!strcmp(r, "cpu")) {
2342 cpu_model = argv[optind++];
2343 if (strcmp(cpu_model, "?") == 0) {
2344 /* XXX: implement xxx_cpu_list for targets that still miss it */
2345 #if defined(cpu_list)
2346 cpu_list(stdout, &fprintf);
2350 } else if (!strcmp(r, "drop-ld-preload")) {
2351 drop_ld_preload = 1;
2352 } else if (!strcmp(r, "keep-ld-preload")) {
2353 drop_ld_preload = 0;
2354 } else if (!strcmp(r, "strace")) {
2363 if (filename == NULL) {
2364 filename = argv[optind];
2365 exec_path = argv[optind];
2367 argv0 = argv[optind];
2369 if (drop_ld_preload) {
2370 (void) envlist_unsetenv(envlist, "LD_PRELOAD");
2374 memset(regs, 0, sizeof(struct target_pt_regs));
2376 /* Zero out image_info */
2377 memset(info, 0, sizeof(struct image_info));
2379 /* Scan interp_prefix dir for replacement files. */
2380 init_paths(interp_prefix);
2382 if (cpu_model == NULL) {
2383 #if defined(TARGET_I386)
2384 #ifdef TARGET_X86_64
2385 cpu_model = "qemu64";
2387 cpu_model = "qemu32";
2389 #elif defined(TARGET_ARM)
2391 #elif defined(TARGET_M68K)
2393 #elif defined(TARGET_SPARC)
2394 #ifdef TARGET_SPARC64
2395 cpu_model = "TI UltraSparc II";
2397 cpu_model = "Fujitsu MB86904";
2399 #elif defined(TARGET_MIPS)
2400 #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
2405 #elif defined(TARGET_PPC)
2415 cpu_exec_init_all(0);
2416 /* NOTE: we need to init the CPU at this stage to get
2417 qemu_host_page_size */
2418 env = cpu_init(cpu_model);
2420 fprintf(stderr, "Unable to find CPU definition\n");
2425 if (getenv("QEMU_STRACE")) {
2429 target_environ = envlist_to_environ(envlist, NULL);
2430 envlist_free(envlist);
2433 * Prepare copy of argv vector for target.
2435 target_argc = argc - optind;
2436 target_argv = calloc(target_argc + 1, sizeof (char *));
2437 if (target_argv == NULL) {
2438 (void) fprintf(stderr, "Unable to allocate memory for target_argv\n");
2443 * If argv0 is specified (using '-0' switch) we replace
2444 * argv[0] pointer with the given one.
2447 if (argv0 != NULL) {
2448 target_argv[i++] = strdup(argv0);
2450 for (; i < target_argc; i++) {
2451 target_argv[i] = strdup(argv[optind + i]);
2453 target_argv[target_argc] = NULL;
2455 if (loader_exec(filename, target_argv, target_environ, regs, info) != 0) {
2456 printf("Error loading %s\n", filename);
2460 for (i = 0; i < target_argc; i++) {
2461 free(target_argv[i]);
2465 for (wrk = target_environ; *wrk; wrk++) {
2469 free(target_environ);
2474 fprintf(logfile, "start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
2475 fprintf(logfile, "end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code);
2476 fprintf(logfile, "start_code 0x" TARGET_ABI_FMT_lx "\n",
2478 fprintf(logfile, "start_data 0x" TARGET_ABI_FMT_lx "\n",
2480 fprintf(logfile, "end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data);
2481 fprintf(logfile, "start_stack 0x" TARGET_ABI_FMT_lx "\n",
2483 fprintf(logfile, "brk 0x" TARGET_ABI_FMT_lx "\n", info->brk);
2484 fprintf(logfile, "entry 0x" TARGET_ABI_FMT_lx "\n", info->entry);
2487 target_set_brk(info->brk);
2491 /* build Task State */
2492 memset(ts, 0, sizeof(TaskState));
2493 init_task_state(ts);
2496 env->user_mode_only = 1;
2498 #if defined(TARGET_I386)
2499 cpu_x86_set_cpl(env, 3);
2501 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
2502 env->hflags |= HF_PE_MASK;
2503 if (env->cpuid_features & CPUID_SSE) {
2504 env->cr[4] |= CR4_OSFXSR_MASK;
2505 env->hflags |= HF_OSFXSR_MASK;
2507 #ifndef TARGET_ABI32
2508 /* enable 64 bit mode if possible */
2509 if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) {
2510 fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n");
2513 env->cr[4] |= CR4_PAE_MASK;
2514 env->efer |= MSR_EFER_LMA | MSR_EFER_LME;
2515 env->hflags |= HF_LMA_MASK;
2518 /* flags setup : we activate the IRQs by default as in user mode */
2519 env->eflags |= IF_MASK;
2521 /* linux register setup */
2522 #ifndef TARGET_ABI32
2523 env->regs[R_EAX] = regs->rax;
2524 env->regs[R_EBX] = regs->rbx;
2525 env->regs[R_ECX] = regs->rcx;
2526 env->regs[R_EDX] = regs->rdx;
2527 env->regs[R_ESI] = regs->rsi;
2528 env->regs[R_EDI] = regs->rdi;
2529 env->regs[R_EBP] = regs->rbp;
2530 env->regs[R_ESP] = regs->rsp;
2531 env->eip = regs->rip;
2533 env->regs[R_EAX] = regs->eax;
2534 env->regs[R_EBX] = regs->ebx;
2535 env->regs[R_ECX] = regs->ecx;
2536 env->regs[R_EDX] = regs->edx;
2537 env->regs[R_ESI] = regs->esi;
2538 env->regs[R_EDI] = regs->edi;
2539 env->regs[R_EBP] = regs->ebp;
2540 env->regs[R_ESP] = regs->esp;
2541 env->eip = regs->eip;
2544 /* linux interrupt setup */
2545 #ifndef TARGET_ABI32
2546 env->idt.limit = 511;
2548 env->idt.limit = 255;
2550 env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),
2551 PROT_READ|PROT_WRITE,
2552 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2553 idt_table = g2h(env->idt.base);
2576 /* linux segment setup */
2578 uint64_t *gdt_table;
2579 env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
2580 PROT_READ|PROT_WRITE,
2581 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2582 env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;
2583 gdt_table = g2h(env->gdt.base);
2585 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2586 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2587 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2589 /* 64 bit code segment */
2590 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2591 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2593 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2595 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
2596 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2597 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
2599 cpu_x86_load_seg(env, R_CS, __USER_CS);
2600 cpu_x86_load_seg(env, R_SS, __USER_DS);
2602 cpu_x86_load_seg(env, R_DS, __USER_DS);
2603 cpu_x86_load_seg(env, R_ES, __USER_DS);
2604 cpu_x86_load_seg(env, R_FS, __USER_DS);
2605 cpu_x86_load_seg(env, R_GS, __USER_DS);
2606 /* This hack makes Wine work... */
2607 env->segs[R_FS].selector = 0;
2609 cpu_x86_load_seg(env, R_DS, 0);
2610 cpu_x86_load_seg(env, R_ES, 0);
2611 cpu_x86_load_seg(env, R_FS, 0);
2612 cpu_x86_load_seg(env, R_GS, 0);
2614 #elif defined(TARGET_ARM)
2617 cpsr_write(env, regs->uregs[16], 0xffffffff);
2618 for(i = 0; i < 16; i++) {
2619 env->regs[i] = regs->uregs[i];
2622 #elif defined(TARGET_SPARC)
2626 env->npc = regs->npc;
2628 for(i = 0; i < 8; i++)
2629 env->gregs[i] = regs->u_regs[i];
2630 for(i = 0; i < 8; i++)
2631 env->regwptr[i] = regs->u_regs[i + 8];
2633 #elif defined(TARGET_PPC)
2637 #if defined(TARGET_PPC64)
2638 #if defined(TARGET_ABI32)
2639 env->msr &= ~((target_ulong)1 << MSR_SF);
2641 env->msr |= (target_ulong)1 << MSR_SF;
2644 env->nip = regs->nip;
2645 for(i = 0; i < 32; i++) {
2646 env->gpr[i] = regs->gpr[i];
2649 #elif defined(TARGET_M68K)
2652 env->dregs[0] = regs->d0;
2653 env->dregs[1] = regs->d1;
2654 env->dregs[2] = regs->d2;
2655 env->dregs[3] = regs->d3;
2656 env->dregs[4] = regs->d4;
2657 env->dregs[5] = regs->d5;
2658 env->dregs[6] = regs->d6;
2659 env->dregs[7] = regs->d7;
2660 env->aregs[0] = regs->a0;
2661 env->aregs[1] = regs->a1;
2662 env->aregs[2] = regs->a2;
2663 env->aregs[3] = regs->a3;
2664 env->aregs[4] = regs->a4;
2665 env->aregs[5] = regs->a5;
2666 env->aregs[6] = regs->a6;
2667 env->aregs[7] = regs->usp;
2669 ts->sim_syscalls = 1;
2671 #elif defined(TARGET_MIPS)
2675 for(i = 0; i < 32; i++) {
2676 env->active_tc.gpr[i] = regs->regs[i];
2678 env->active_tc.PC = regs->cp0_epc;
2680 #elif defined(TARGET_SH4)
2684 for(i = 0; i < 16; i++) {
2685 env->gregs[i] = regs->regs[i];
2689 #elif defined(TARGET_ALPHA)
2693 for(i = 0; i < 28; i++) {
2694 env->ir[i] = ((abi_ulong *)regs)[i];
2696 env->ipr[IPR_USP] = regs->usp;
2697 env->ir[30] = regs->usp;
2699 env->unique = regs->unique;
2701 #elif defined(TARGET_CRIS)
2703 env->regs[0] = regs->r0;
2704 env->regs[1] = regs->r1;
2705 env->regs[2] = regs->r2;
2706 env->regs[3] = regs->r3;
2707 env->regs[4] = regs->r4;
2708 env->regs[5] = regs->r5;
2709 env->regs[6] = regs->r6;
2710 env->regs[7] = regs->r7;
2711 env->regs[8] = regs->r8;
2712 env->regs[9] = regs->r9;
2713 env->regs[10] = regs->r10;
2714 env->regs[11] = regs->r11;
2715 env->regs[12] = regs->r12;
2716 env->regs[13] = regs->r13;
2717 env->regs[14] = info->start_stack;
2718 env->regs[15] = regs->acr;
2719 env->pc = regs->erp;
2722 #error unsupported target CPU
2725 #if defined(TARGET_ARM) || defined(TARGET_M68K)
2726 ts->stack_base = info->start_stack;
2727 ts->heap_base = info->brk;
2728 /* This will be filled in on the first SYS_HEAPINFO call. */
2733 gdbserver_start (gdbstub_port);
2734 gdb_handlesig(env, 0);