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"
44 static const char *interp_prefix = CONFIG_QEMU_PREFIX;
45 const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
47 #if defined(__i386__) && !defined(CONFIG_STATIC)
48 /* Force usage of an ELF interpreter even if it is an ELF shared
50 const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
53 /* for recent libc, we add these dummy symbols which are not declared
54 when generating a linked object (bug in ld ?) */
55 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
56 asm(".globl __preinit_array_start\n"
57 ".globl __preinit_array_end\n"
58 ".globl __init_array_start\n"
59 ".globl __init_array_end\n"
60 ".globl __fini_array_start\n"
61 ".globl __fini_array_end\n"
62 ".section \".rodata\"\n"
63 "__preinit_array_start:\n"
64 "__preinit_array_end:\n"
65 "__init_array_start:\n"
67 "__fini_array_start:\n"
73 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
74 we allocate a bigger stack. Need a better solution, for example
75 by remapping the process stack directly at the right place */
76 unsigned long x86_stack_size = 512 * 1024;
78 void gemu_log(const char *fmt, ...)
83 vfprintf(stderr, fmt, ap);
87 void cpu_outb(CPUState *env, int addr, int val)
89 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
92 void cpu_outw(CPUState *env, int addr, int val)
94 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
97 void cpu_outl(CPUState *env, int addr, int val)
99 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
102 int cpu_inb(CPUState *env, int addr)
104 fprintf(stderr, "inb: port=0x%04x\n", addr);
108 int cpu_inw(CPUState *env, int addr)
110 fprintf(stderr, "inw: port=0x%04x\n", addr);
114 int cpu_inl(CPUState *env, int addr)
116 fprintf(stderr, "inl: port=0x%04x\n", addr);
120 #if defined(TARGET_I386)
121 int cpu_get_pic_interrupt(CPUState *env)
127 /* timers for rdtsc */
131 static uint64_t emu_time;
133 int64_t cpu_get_real_ticks(void)
140 #if defined(USE_NPTL)
141 /***********************************************************/
142 /* Helper routines for implementing atomic operations. */
144 /* To implement exclusive operations we force all cpus to syncronise.
145 We don't require a full sync, only that no cpus are executing guest code.
146 The alternative is to map target atomic ops onto host equivalents,
147 which requires quite a lot of per host/target work. */
148 static pthread_mutex_t cpu_list_mutex = PTHREAD_MUTEX_INITIALIZER;
149 static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER;
150 static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER;
151 static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER;
152 static int pending_cpus;
154 /* Make sure everything is in a consistent state for calling fork(). */
155 void fork_start(void)
158 pthread_mutex_lock(&tb_lock);
159 pthread_mutex_lock(&exclusive_lock);
162 void fork_end(int child)
165 /* Child processes created by fork() only have a single thread.
166 Discard information about the parent threads. */
167 first_cpu = thread_env;
168 thread_env->next_cpu = NULL;
170 pthread_mutex_init(&exclusive_lock, NULL);
171 pthread_mutex_init(&cpu_list_mutex, NULL);
172 pthread_cond_init(&exclusive_cond, NULL);
173 pthread_cond_init(&exclusive_resume, NULL);
174 pthread_mutex_init(&tb_lock, NULL);
175 gdbserver_fork(thread_env);
177 pthread_mutex_unlock(&exclusive_lock);
178 pthread_mutex_unlock(&tb_lock);
180 mmap_fork_end(child);
183 /* Wait for pending exclusive operations to complete. The exclusive lock
185 static inline void exclusive_idle(void)
187 while (pending_cpus) {
188 pthread_cond_wait(&exclusive_resume, &exclusive_lock);
192 /* Start an exclusive operation.
193 Must only be called from outside cpu_arm_exec. */
194 static inline void start_exclusive(void)
197 pthread_mutex_lock(&exclusive_lock);
201 /* Make all other cpus stop executing. */
202 for (other = first_cpu; other; other = other->next_cpu) {
203 if (other->running) {
208 if (pending_cpus > 1) {
209 pthread_cond_wait(&exclusive_cond, &exclusive_lock);
213 /* Finish an exclusive operation. */
214 static inline void end_exclusive(void)
217 pthread_cond_broadcast(&exclusive_resume);
218 pthread_mutex_unlock(&exclusive_lock);
221 /* Wait for exclusive ops to finish, and begin cpu execution. */
222 static inline void cpu_exec_start(CPUState *env)
224 pthread_mutex_lock(&exclusive_lock);
227 pthread_mutex_unlock(&exclusive_lock);
230 /* Mark cpu as not executing, and release pending exclusive ops. */
231 static inline void cpu_exec_end(CPUState *env)
233 pthread_mutex_lock(&exclusive_lock);
235 if (pending_cpus > 1) {
237 if (pending_cpus == 1) {
238 pthread_cond_signal(&exclusive_cond);
242 pthread_mutex_unlock(&exclusive_lock);
245 void cpu_list_lock(void)
247 pthread_mutex_lock(&cpu_list_mutex);
250 void cpu_list_unlock(void)
252 pthread_mutex_unlock(&cpu_list_mutex);
254 #else /* if !USE_NPTL */
255 /* These are no-ops because we are not threadsafe. */
256 static inline void cpu_exec_start(CPUState *env)
260 static inline void cpu_exec_end(CPUState *env)
264 static inline void start_exclusive(void)
268 static inline void end_exclusive(void)
272 void fork_start(void)
276 void fork_end(int child)
279 gdbserver_fork(thread_env);
283 void cpu_list_lock(void)
287 void cpu_list_unlock(void)
294 /***********************************************************/
295 /* CPUX86 core interface */
297 void cpu_smm_update(CPUState *env)
301 uint64_t cpu_get_tsc(CPUX86State *env)
303 return cpu_get_real_ticks();
306 static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
311 e1 = (addr << 16) | (limit & 0xffff);
312 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
319 static uint64_t *idt_table;
321 static void set_gate64(void *ptr, unsigned int type, unsigned int dpl,
322 uint64_t addr, unsigned int sel)
325 e1 = (addr & 0xffff) | (sel << 16);
326 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
330 p[2] = tswap32(addr >> 32);
333 /* only dpl matters as we do only user space emulation */
334 static void set_idt(int n, unsigned int dpl)
336 set_gate64(idt_table + n * 2, 0, dpl, 0, 0);
339 static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
340 uint32_t addr, unsigned int sel)
343 e1 = (addr & 0xffff) | (sel << 16);
344 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
350 /* only dpl matters as we do only user space emulation */
351 static void set_idt(int n, unsigned int dpl)
353 set_gate(idt_table + n, 0, dpl, 0, 0);
357 void cpu_loop(CPUX86State *env)
361 target_siginfo_t info;
364 trapnr = cpu_x86_exec(env);
367 /* linux syscall from int $0x80 */
368 env->regs[R_EAX] = do_syscall(env,
379 /* linux syscall from syscall intruction */
380 env->regs[R_EAX] = do_syscall(env,
388 env->eip = env->exception_next_eip;
393 info.si_signo = SIGBUS;
395 info.si_code = TARGET_SI_KERNEL;
396 info._sifields._sigfault._addr = 0;
397 queue_signal(env, info.si_signo, &info);
400 /* XXX: potential problem if ABI32 */
401 #ifndef TARGET_X86_64
402 if (env->eflags & VM_MASK) {
403 handle_vm86_fault(env);
407 info.si_signo = SIGSEGV;
409 info.si_code = TARGET_SI_KERNEL;
410 info._sifields._sigfault._addr = 0;
411 queue_signal(env, info.si_signo, &info);
415 info.si_signo = SIGSEGV;
417 if (!(env->error_code & 1))
418 info.si_code = TARGET_SEGV_MAPERR;
420 info.si_code = TARGET_SEGV_ACCERR;
421 info._sifields._sigfault._addr = env->cr[2];
422 queue_signal(env, info.si_signo, &info);
425 #ifndef TARGET_X86_64
426 if (env->eflags & VM_MASK) {
427 handle_vm86_trap(env, trapnr);
431 /* division by zero */
432 info.si_signo = SIGFPE;
434 info.si_code = TARGET_FPE_INTDIV;
435 info._sifields._sigfault._addr = env->eip;
436 queue_signal(env, info.si_signo, &info);
441 #ifndef TARGET_X86_64
442 if (env->eflags & VM_MASK) {
443 handle_vm86_trap(env, trapnr);
447 info.si_signo = SIGTRAP;
449 if (trapnr == EXCP01_DB) {
450 info.si_code = TARGET_TRAP_BRKPT;
451 info._sifields._sigfault._addr = env->eip;
453 info.si_code = TARGET_SI_KERNEL;
454 info._sifields._sigfault._addr = 0;
456 queue_signal(env, info.si_signo, &info);
461 #ifndef TARGET_X86_64
462 if (env->eflags & VM_MASK) {
463 handle_vm86_trap(env, trapnr);
467 info.si_signo = SIGSEGV;
469 info.si_code = TARGET_SI_KERNEL;
470 info._sifields._sigfault._addr = 0;
471 queue_signal(env, info.si_signo, &info);
475 info.si_signo = SIGILL;
477 info.si_code = TARGET_ILL_ILLOPN;
478 info._sifields._sigfault._addr = env->eip;
479 queue_signal(env, info.si_signo, &info);
482 /* just indicate that signals should be handled asap */
488 sig = gdb_handlesig (env, TARGET_SIGTRAP);
493 info.si_code = TARGET_TRAP_BRKPT;
494 queue_signal(env, info.si_signo, &info);
499 pc = env->segs[R_CS].base + env->eip;
500 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
504 process_pending_signals(env);
511 static void arm_cache_flush(abi_ulong start, abi_ulong last)
513 abi_ulong addr, last1;
519 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
522 tb_invalidate_page_range(addr, last1 + 1);
529 /* Handle a jump to the kernel code page. */
531 do_kernel_trap(CPUARMState *env)
537 switch (env->regs[15]) {
538 case 0xffff0fa0: /* __kernel_memory_barrier */
539 /* ??? No-op. Will need to do better for SMP. */
541 case 0xffff0fc0: /* __kernel_cmpxchg */
542 /* XXX: This only works between threads, not between processes.
543 It's probably possible to implement this with native host
544 operations. However things like ldrex/strex are much harder so
545 there's not much point trying. */
547 cpsr = cpsr_read(env);
549 /* FIXME: This should SEGV if the access fails. */
550 if (get_user_u32(val, addr))
552 if (val == env->regs[0]) {
554 /* FIXME: Check for segfaults. */
555 put_user_u32(val, addr);
562 cpsr_write(env, cpsr, CPSR_C);
565 case 0xffff0fe0: /* __kernel_get_tls */
566 env->regs[0] = env->cp15.c13_tls2;
571 /* Jump back to the caller. */
572 addr = env->regs[14];
577 env->regs[15] = addr;
582 void cpu_loop(CPUARMState *env)
585 unsigned int n, insn;
586 target_siginfo_t info;
591 trapnr = cpu_arm_exec(env);
596 TaskState *ts = env->opaque;
600 /* we handle the FPU emulation here, as Linux */
601 /* we get the opcode */
602 /* FIXME - what to do if get_user() fails? */
603 get_user_u32(opcode, env->regs[15]);
605 rc = EmulateAll(opcode, &ts->fpa, env);
606 if (rc == 0) { /* illegal instruction */
607 info.si_signo = SIGILL;
609 info.si_code = TARGET_ILL_ILLOPN;
610 info._sifields._sigfault._addr = env->regs[15];
611 queue_signal(env, info.si_signo, &info);
612 } else if (rc < 0) { /* FP exception */
615 /* translate softfloat flags to FPSR flags */
616 if (-rc & float_flag_invalid)
618 if (-rc & float_flag_divbyzero)
620 if (-rc & float_flag_overflow)
622 if (-rc & float_flag_underflow)
624 if (-rc & float_flag_inexact)
627 FPSR fpsr = ts->fpa.fpsr;
628 //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe);
630 if (fpsr & (arm_fpe << 16)) { /* exception enabled? */
631 info.si_signo = SIGFPE;
634 /* ordered by priority, least first */
635 if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES;
636 if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND;
637 if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF;
638 if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV;
639 if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV;
641 info._sifields._sigfault._addr = env->regs[15];
642 queue_signal(env, info.si_signo, &info);
647 /* accumulate unenabled exceptions */
648 if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC))
650 if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC))
652 if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC))
654 if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC))
656 if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC))
659 } else { /* everything OK */
670 if (trapnr == EXCP_BKPT) {
672 /* FIXME - what to do if get_user() fails? */
673 get_user_u16(insn, env->regs[15]);
677 /* FIXME - what to do if get_user() fails? */
678 get_user_u32(insn, env->regs[15]);
679 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
684 /* FIXME - what to do if get_user() fails? */
685 get_user_u16(insn, env->regs[15] - 2);
688 /* FIXME - what to do if get_user() fails? */
689 get_user_u32(insn, env->regs[15] - 4);
694 if (n == ARM_NR_cacheflush) {
695 arm_cache_flush(env->regs[0], env->regs[1]);
696 } else if (n == ARM_NR_semihosting
697 || n == ARM_NR_thumb_semihosting) {
698 env->regs[0] = do_arm_semihosting (env);
699 } else if (n == 0 || n >= ARM_SYSCALL_BASE
700 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
702 if (env->thumb || n == 0) {
705 n -= ARM_SYSCALL_BASE;
708 if ( n > ARM_NR_BASE) {
710 case ARM_NR_cacheflush:
711 arm_cache_flush(env->regs[0], env->regs[1]);
714 cpu_set_tls(env, env->regs[0]);
718 gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
720 env->regs[0] = -TARGET_ENOSYS;
724 env->regs[0] = do_syscall(env,
739 /* just indicate that signals should be handled asap */
741 case EXCP_PREFETCH_ABORT:
742 addr = env->cp15.c6_insn;
744 case EXCP_DATA_ABORT:
745 addr = env->cp15.c6_data;
749 info.si_signo = SIGSEGV;
751 /* XXX: check env->error_code */
752 info.si_code = TARGET_SEGV_MAPERR;
753 info._sifields._sigfault._addr = addr;
754 queue_signal(env, info.si_signo, &info);
761 sig = gdb_handlesig (env, TARGET_SIGTRAP);
766 info.si_code = TARGET_TRAP_BRKPT;
767 queue_signal(env, info.si_signo, &info);
771 case EXCP_KERNEL_TRAP:
772 if (do_kernel_trap(env))
777 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
779 cpu_dump_state(env, stderr, fprintf, 0);
782 process_pending_signals(env);
789 #define SPARC64_STACK_BIAS 2047
793 /* WARNING: dealing with register windows _is_ complicated. More info
794 can be found at http://www.sics.se/~psm/sparcstack.html */
795 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
797 index = (index + cwp * 16) % (16 * env->nwindows);
798 /* wrap handling : if cwp is on the last window, then we use the
799 registers 'after' the end */
800 if (index < 8 && env->cwp == env->nwindows - 1)
801 index += 16 * env->nwindows;
805 /* save the register window 'cwp1' */
806 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
811 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
812 #ifdef TARGET_SPARC64
814 sp_ptr += SPARC64_STACK_BIAS;
816 #if defined(DEBUG_WIN)
817 printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n",
820 for(i = 0; i < 16; i++) {
821 /* FIXME - what to do if put_user() fails? */
822 put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
823 sp_ptr += sizeof(abi_ulong);
827 static void save_window(CPUSPARCState *env)
829 #ifndef TARGET_SPARC64
830 unsigned int new_wim;
831 new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) &
832 ((1LL << env->nwindows) - 1);
833 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
836 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
842 static void restore_window(CPUSPARCState *env)
844 #ifndef TARGET_SPARC64
845 unsigned int new_wim;
847 unsigned int i, cwp1;
850 #ifndef TARGET_SPARC64
851 new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) &
852 ((1LL << env->nwindows) - 1);
855 /* restore the invalid window */
856 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
857 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
858 #ifdef TARGET_SPARC64
860 sp_ptr += SPARC64_STACK_BIAS;
862 #if defined(DEBUG_WIN)
863 printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n",
866 for(i = 0; i < 16; i++) {
867 /* FIXME - what to do if get_user() fails? */
868 get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
869 sp_ptr += sizeof(abi_ulong);
871 #ifdef TARGET_SPARC64
873 if (env->cleanwin < env->nwindows - 1)
881 static void flush_windows(CPUSPARCState *env)
887 /* if restore would invoke restore_window(), then we can stop */
888 cwp1 = cpu_cwp_inc(env, env->cwp + offset);
889 #ifndef TARGET_SPARC64
890 if (env->wim & (1 << cwp1))
893 if (env->canrestore == 0)
898 save_window_offset(env, cwp1);
901 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
902 #ifndef TARGET_SPARC64
903 /* set wim so that restore will reload the registers */
904 env->wim = 1 << cwp1;
906 #if defined(DEBUG_WIN)
907 printf("flush_windows: nb=%d\n", offset - 1);
911 void cpu_loop (CPUSPARCState *env)
914 target_siginfo_t info;
917 trapnr = cpu_sparc_exec (env);
920 #ifndef TARGET_SPARC64
927 ret = do_syscall (env, env->gregs[1],
928 env->regwptr[0], env->regwptr[1],
929 env->regwptr[2], env->regwptr[3],
930 env->regwptr[4], env->regwptr[5]);
931 if ((unsigned int)ret >= (unsigned int)(-515)) {
932 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
933 env->xcc |= PSR_CARRY;
935 env->psr |= PSR_CARRY;
939 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
940 env->xcc &= ~PSR_CARRY;
942 env->psr &= ~PSR_CARRY;
945 env->regwptr[0] = ret;
946 /* next instruction */
948 env->npc = env->npc + 4;
950 case 0x83: /* flush windows */
955 /* next instruction */
957 env->npc = env->npc + 4;
959 #ifndef TARGET_SPARC64
960 case TT_WIN_OVF: /* window overflow */
963 case TT_WIN_UNF: /* window underflow */
969 info.si_signo = SIGSEGV;
971 /* XXX: check env->error_code */
972 info.si_code = TARGET_SEGV_MAPERR;
973 info._sifields._sigfault._addr = env->mmuregs[4];
974 queue_signal(env, info.si_signo, &info);
978 case TT_SPILL: /* window overflow */
981 case TT_FILL: /* window underflow */
987 info.si_signo = SIGSEGV;
989 /* XXX: check env->error_code */
990 info.si_code = TARGET_SEGV_MAPERR;
991 if (trapnr == TT_DFAULT)
992 info._sifields._sigfault._addr = env->dmmuregs[4];
994 info._sifields._sigfault._addr = env->tsptr->tpc;
995 queue_signal(env, info.si_signo, &info);
1001 sparc64_get_context(env);
1005 sparc64_set_context(env);
1009 case EXCP_INTERRUPT:
1010 /* just indicate that signals should be handled asap */
1016 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1019 info.si_signo = sig;
1021 info.si_code = TARGET_TRAP_BRKPT;
1022 queue_signal(env, info.si_signo, &info);
1027 printf ("Unhandled trap: 0x%x\n", trapnr);
1028 cpu_dump_state(env, stderr, fprintf, 0);
1031 process_pending_signals (env);
1038 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
1044 uint32_t cpu_ppc_load_tbl (CPUState *env)
1046 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1049 uint32_t cpu_ppc_load_tbu (CPUState *env)
1051 return cpu_ppc_get_tb(env) >> 32;
1054 uint32_t cpu_ppc_load_atbl (CPUState *env)
1056 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1059 uint32_t cpu_ppc_load_atbu (CPUState *env)
1061 return cpu_ppc_get_tb(env) >> 32;
1064 uint32_t cpu_ppc601_load_rtcu (CPUState *env)
1065 __attribute__ (( alias ("cpu_ppc_load_tbu") ));
1067 uint32_t cpu_ppc601_load_rtcl (CPUState *env)
1069 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
1072 /* XXX: to be fixed */
1073 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
1078 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
1083 #define EXCP_DUMP(env, fmt, ...) \
1085 fprintf(stderr, fmt , ## __VA_ARGS__); \
1086 cpu_dump_state(env, stderr, fprintf, 0); \
1087 qemu_log(fmt, ## __VA_ARGS__); \
1088 log_cpu_state(env, 0); \
1091 void cpu_loop(CPUPPCState *env)
1093 target_siginfo_t info;
1098 trapnr = cpu_ppc_exec(env);
1100 case POWERPC_EXCP_NONE:
1103 case POWERPC_EXCP_CRITICAL: /* Critical input */
1104 cpu_abort(env, "Critical interrupt while in user mode. "
1107 case POWERPC_EXCP_MCHECK: /* Machine check exception */
1108 cpu_abort(env, "Machine check exception while in user mode. "
1111 case POWERPC_EXCP_DSI: /* Data storage exception */
1112 EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
1114 /* XXX: check this. Seems bugged */
1115 switch (env->error_code & 0xFF000000) {
1117 info.si_signo = TARGET_SIGSEGV;
1119 info.si_code = TARGET_SEGV_MAPERR;
1122 info.si_signo = TARGET_SIGILL;
1124 info.si_code = TARGET_ILL_ILLADR;
1127 info.si_signo = TARGET_SIGSEGV;
1129 info.si_code = TARGET_SEGV_ACCERR;
1132 /* Let's send a regular segfault... */
1133 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1135 info.si_signo = TARGET_SIGSEGV;
1137 info.si_code = TARGET_SEGV_MAPERR;
1140 info._sifields._sigfault._addr = env->nip;
1141 queue_signal(env, info.si_signo, &info);
1143 case POWERPC_EXCP_ISI: /* Instruction storage exception */
1144 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
1145 env->spr[SPR_SRR0]);
1146 /* XXX: check this */
1147 switch (env->error_code & 0xFF000000) {
1149 info.si_signo = TARGET_SIGSEGV;
1151 info.si_code = TARGET_SEGV_MAPERR;
1155 info.si_signo = TARGET_SIGSEGV;
1157 info.si_code = TARGET_SEGV_ACCERR;
1160 /* Let's send a regular segfault... */
1161 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1163 info.si_signo = TARGET_SIGSEGV;
1165 info.si_code = TARGET_SEGV_MAPERR;
1168 info._sifields._sigfault._addr = env->nip - 4;
1169 queue_signal(env, info.si_signo, &info);
1171 case POWERPC_EXCP_EXTERNAL: /* External input */
1172 cpu_abort(env, "External interrupt while in user mode. "
1175 case POWERPC_EXCP_ALIGN: /* Alignment exception */
1176 EXCP_DUMP(env, "Unaligned memory access\n");
1177 /* XXX: check this */
1178 info.si_signo = TARGET_SIGBUS;
1180 info.si_code = TARGET_BUS_ADRALN;
1181 info._sifields._sigfault._addr = env->nip - 4;
1182 queue_signal(env, info.si_signo, &info);
1184 case POWERPC_EXCP_PROGRAM: /* Program exception */
1185 /* XXX: check this */
1186 switch (env->error_code & ~0xF) {
1187 case POWERPC_EXCP_FP:
1188 EXCP_DUMP(env, "Floating point program exception\n");
1189 info.si_signo = TARGET_SIGFPE;
1191 switch (env->error_code & 0xF) {
1192 case POWERPC_EXCP_FP_OX:
1193 info.si_code = TARGET_FPE_FLTOVF;
1195 case POWERPC_EXCP_FP_UX:
1196 info.si_code = TARGET_FPE_FLTUND;
1198 case POWERPC_EXCP_FP_ZX:
1199 case POWERPC_EXCP_FP_VXZDZ:
1200 info.si_code = TARGET_FPE_FLTDIV;
1202 case POWERPC_EXCP_FP_XX:
1203 info.si_code = TARGET_FPE_FLTRES;
1205 case POWERPC_EXCP_FP_VXSOFT:
1206 info.si_code = TARGET_FPE_FLTINV;
1208 case POWERPC_EXCP_FP_VXSNAN:
1209 case POWERPC_EXCP_FP_VXISI:
1210 case POWERPC_EXCP_FP_VXIDI:
1211 case POWERPC_EXCP_FP_VXIMZ:
1212 case POWERPC_EXCP_FP_VXVC:
1213 case POWERPC_EXCP_FP_VXSQRT:
1214 case POWERPC_EXCP_FP_VXCVI:
1215 info.si_code = TARGET_FPE_FLTSUB;
1218 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
1223 case POWERPC_EXCP_INVAL:
1224 EXCP_DUMP(env, "Invalid instruction\n");
1225 info.si_signo = TARGET_SIGILL;
1227 switch (env->error_code & 0xF) {
1228 case POWERPC_EXCP_INVAL_INVAL:
1229 info.si_code = TARGET_ILL_ILLOPC;
1231 case POWERPC_EXCP_INVAL_LSWX:
1232 info.si_code = TARGET_ILL_ILLOPN;
1234 case POWERPC_EXCP_INVAL_SPR:
1235 info.si_code = TARGET_ILL_PRVREG;
1237 case POWERPC_EXCP_INVAL_FP:
1238 info.si_code = TARGET_ILL_COPROC;
1241 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
1242 env->error_code & 0xF);
1243 info.si_code = TARGET_ILL_ILLADR;
1247 case POWERPC_EXCP_PRIV:
1248 EXCP_DUMP(env, "Privilege violation\n");
1249 info.si_signo = TARGET_SIGILL;
1251 switch (env->error_code & 0xF) {
1252 case POWERPC_EXCP_PRIV_OPC:
1253 info.si_code = TARGET_ILL_PRVOPC;
1255 case POWERPC_EXCP_PRIV_REG:
1256 info.si_code = TARGET_ILL_PRVREG;
1259 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
1260 env->error_code & 0xF);
1261 info.si_code = TARGET_ILL_PRVOPC;
1265 case POWERPC_EXCP_TRAP:
1266 cpu_abort(env, "Tried to call a TRAP\n");
1269 /* Should not happen ! */
1270 cpu_abort(env, "Unknown program exception (%02x)\n",
1274 info._sifields._sigfault._addr = env->nip - 4;
1275 queue_signal(env, info.si_signo, &info);
1277 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
1278 EXCP_DUMP(env, "No floating point allowed\n");
1279 info.si_signo = TARGET_SIGILL;
1281 info.si_code = TARGET_ILL_COPROC;
1282 info._sifields._sigfault._addr = env->nip - 4;
1283 queue_signal(env, info.si_signo, &info);
1285 case POWERPC_EXCP_SYSCALL: /* System call exception */
1286 cpu_abort(env, "Syscall exception while in user mode. "
1289 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
1290 EXCP_DUMP(env, "No APU instruction allowed\n");
1291 info.si_signo = TARGET_SIGILL;
1293 info.si_code = TARGET_ILL_COPROC;
1294 info._sifields._sigfault._addr = env->nip - 4;
1295 queue_signal(env, info.si_signo, &info);
1297 case POWERPC_EXCP_DECR: /* Decrementer exception */
1298 cpu_abort(env, "Decrementer interrupt while in user mode. "
1301 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
1302 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
1305 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
1306 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
1309 case POWERPC_EXCP_DTLB: /* Data TLB error */
1310 cpu_abort(env, "Data TLB exception while in user mode. "
1313 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
1314 cpu_abort(env, "Instruction TLB exception while in user mode. "
1317 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
1318 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
1319 info.si_signo = TARGET_SIGILL;
1321 info.si_code = TARGET_ILL_COPROC;
1322 info._sifields._sigfault._addr = env->nip - 4;
1323 queue_signal(env, info.si_signo, &info);
1325 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
1326 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
1328 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
1329 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
1331 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
1332 cpu_abort(env, "Performance monitor exception not handled\n");
1334 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
1335 cpu_abort(env, "Doorbell interrupt while in user mode. "
1338 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1339 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1342 case POWERPC_EXCP_RESET: /* System reset exception */
1343 cpu_abort(env, "Reset interrupt while in user mode. "
1346 case POWERPC_EXCP_DSEG: /* Data segment exception */
1347 cpu_abort(env, "Data segment exception while in user mode. "
1350 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1351 cpu_abort(env, "Instruction segment exception "
1352 "while in user mode. Aborting\n");
1354 /* PowerPC 64 with hypervisor mode support */
1355 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1356 cpu_abort(env, "Hypervisor decrementer interrupt "
1357 "while in user mode. Aborting\n");
1359 case POWERPC_EXCP_TRACE: /* Trace exception */
1361 * we use this exception to emulate step-by-step execution mode.
1364 /* PowerPC 64 with hypervisor mode support */
1365 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1366 cpu_abort(env, "Hypervisor data storage exception "
1367 "while in user mode. Aborting\n");
1369 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1370 cpu_abort(env, "Hypervisor instruction storage exception "
1371 "while in user mode. Aborting\n");
1373 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1374 cpu_abort(env, "Hypervisor data segment exception "
1375 "while in user mode. Aborting\n");
1377 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1378 cpu_abort(env, "Hypervisor instruction segment exception "
1379 "while in user mode. Aborting\n");
1381 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1382 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1383 info.si_signo = TARGET_SIGILL;
1385 info.si_code = TARGET_ILL_COPROC;
1386 info._sifields._sigfault._addr = env->nip - 4;
1387 queue_signal(env, info.si_signo, &info);
1389 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1390 cpu_abort(env, "Programable interval timer interrupt "
1391 "while in user mode. Aborting\n");
1393 case POWERPC_EXCP_IO: /* IO error exception */
1394 cpu_abort(env, "IO error exception while in user mode. "
1397 case POWERPC_EXCP_RUNM: /* Run mode exception */
1398 cpu_abort(env, "Run mode exception while in user mode. "
1401 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1402 cpu_abort(env, "Emulation trap exception not handled\n");
1404 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1405 cpu_abort(env, "Instruction fetch TLB exception "
1406 "while in user-mode. Aborting");
1408 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1409 cpu_abort(env, "Data load TLB exception while in user-mode. "
1412 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1413 cpu_abort(env, "Data store TLB exception while in user-mode. "
1416 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1417 cpu_abort(env, "Floating-point assist exception not handled\n");
1419 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1420 cpu_abort(env, "Instruction address breakpoint exception "
1423 case POWERPC_EXCP_SMI: /* System management interrupt */
1424 cpu_abort(env, "System management interrupt while in user mode. "
1427 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1428 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1431 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1432 cpu_abort(env, "Performance monitor exception not handled\n");
1434 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1435 cpu_abort(env, "Vector assist exception not handled\n");
1437 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1438 cpu_abort(env, "Soft patch exception not handled\n");
1440 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1441 cpu_abort(env, "Maintenance exception while in user mode. "
1444 case POWERPC_EXCP_STOP: /* stop translation */
1445 /* We did invalidate the instruction cache. Go on */
1447 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1448 /* We just stopped because of a branch. Go on */
1450 case POWERPC_EXCP_SYSCALL_USER:
1451 /* system call in user-mode emulation */
1453 * PPC ABI uses overflow flag in cr0 to signal an error
1457 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1458 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1460 env->crf[0] &= ~0x1;
1461 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1462 env->gpr[5], env->gpr[6], env->gpr[7],
1464 if (ret == (uint32_t)(-TARGET_QEMU_ESIGRETURN)) {
1465 /* Returning from a successful sigreturn syscall.
1466 Avoid corrupting register state. */
1469 if (ret > (uint32_t)(-515)) {
1475 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1482 sig = gdb_handlesig(env, TARGET_SIGTRAP);
1484 info.si_signo = sig;
1486 info.si_code = TARGET_TRAP_BRKPT;
1487 queue_signal(env, info.si_signo, &info);
1491 case EXCP_INTERRUPT:
1492 /* just indicate that signals should be handled asap */
1495 cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1498 process_pending_signals(env);
1505 #define MIPS_SYS(name, args) args,
1507 static const uint8_t mips_syscall_args[] = {
1508 MIPS_SYS(sys_syscall , 0) /* 4000 */
1509 MIPS_SYS(sys_exit , 1)
1510 MIPS_SYS(sys_fork , 0)
1511 MIPS_SYS(sys_read , 3)
1512 MIPS_SYS(sys_write , 3)
1513 MIPS_SYS(sys_open , 3) /* 4005 */
1514 MIPS_SYS(sys_close , 1)
1515 MIPS_SYS(sys_waitpid , 3)
1516 MIPS_SYS(sys_creat , 2)
1517 MIPS_SYS(sys_link , 2)
1518 MIPS_SYS(sys_unlink , 1) /* 4010 */
1519 MIPS_SYS(sys_execve , 0)
1520 MIPS_SYS(sys_chdir , 1)
1521 MIPS_SYS(sys_time , 1)
1522 MIPS_SYS(sys_mknod , 3)
1523 MIPS_SYS(sys_chmod , 2) /* 4015 */
1524 MIPS_SYS(sys_lchown , 3)
1525 MIPS_SYS(sys_ni_syscall , 0)
1526 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1527 MIPS_SYS(sys_lseek , 3)
1528 MIPS_SYS(sys_getpid , 0) /* 4020 */
1529 MIPS_SYS(sys_mount , 5)
1530 MIPS_SYS(sys_oldumount , 1)
1531 MIPS_SYS(sys_setuid , 1)
1532 MIPS_SYS(sys_getuid , 0)
1533 MIPS_SYS(sys_stime , 1) /* 4025 */
1534 MIPS_SYS(sys_ptrace , 4)
1535 MIPS_SYS(sys_alarm , 1)
1536 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1537 MIPS_SYS(sys_pause , 0)
1538 MIPS_SYS(sys_utime , 2) /* 4030 */
1539 MIPS_SYS(sys_ni_syscall , 0)
1540 MIPS_SYS(sys_ni_syscall , 0)
1541 MIPS_SYS(sys_access , 2)
1542 MIPS_SYS(sys_nice , 1)
1543 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1544 MIPS_SYS(sys_sync , 0)
1545 MIPS_SYS(sys_kill , 2)
1546 MIPS_SYS(sys_rename , 2)
1547 MIPS_SYS(sys_mkdir , 2)
1548 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1549 MIPS_SYS(sys_dup , 1)
1550 MIPS_SYS(sys_pipe , 0)
1551 MIPS_SYS(sys_times , 1)
1552 MIPS_SYS(sys_ni_syscall , 0)
1553 MIPS_SYS(sys_brk , 1) /* 4045 */
1554 MIPS_SYS(sys_setgid , 1)
1555 MIPS_SYS(sys_getgid , 0)
1556 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1557 MIPS_SYS(sys_geteuid , 0)
1558 MIPS_SYS(sys_getegid , 0) /* 4050 */
1559 MIPS_SYS(sys_acct , 0)
1560 MIPS_SYS(sys_umount , 2)
1561 MIPS_SYS(sys_ni_syscall , 0)
1562 MIPS_SYS(sys_ioctl , 3)
1563 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1564 MIPS_SYS(sys_ni_syscall , 2)
1565 MIPS_SYS(sys_setpgid , 2)
1566 MIPS_SYS(sys_ni_syscall , 0)
1567 MIPS_SYS(sys_olduname , 1)
1568 MIPS_SYS(sys_umask , 1) /* 4060 */
1569 MIPS_SYS(sys_chroot , 1)
1570 MIPS_SYS(sys_ustat , 2)
1571 MIPS_SYS(sys_dup2 , 2)
1572 MIPS_SYS(sys_getppid , 0)
1573 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1574 MIPS_SYS(sys_setsid , 0)
1575 MIPS_SYS(sys_sigaction , 3)
1576 MIPS_SYS(sys_sgetmask , 0)
1577 MIPS_SYS(sys_ssetmask , 1)
1578 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1579 MIPS_SYS(sys_setregid , 2)
1580 MIPS_SYS(sys_sigsuspend , 0)
1581 MIPS_SYS(sys_sigpending , 1)
1582 MIPS_SYS(sys_sethostname , 2)
1583 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1584 MIPS_SYS(sys_getrlimit , 2)
1585 MIPS_SYS(sys_getrusage , 2)
1586 MIPS_SYS(sys_gettimeofday, 2)
1587 MIPS_SYS(sys_settimeofday, 2)
1588 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1589 MIPS_SYS(sys_setgroups , 2)
1590 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1591 MIPS_SYS(sys_symlink , 2)
1592 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1593 MIPS_SYS(sys_readlink , 3) /* 4085 */
1594 MIPS_SYS(sys_uselib , 1)
1595 MIPS_SYS(sys_swapon , 2)
1596 MIPS_SYS(sys_reboot , 3)
1597 MIPS_SYS(old_readdir , 3)
1598 MIPS_SYS(old_mmap , 6) /* 4090 */
1599 MIPS_SYS(sys_munmap , 2)
1600 MIPS_SYS(sys_truncate , 2)
1601 MIPS_SYS(sys_ftruncate , 2)
1602 MIPS_SYS(sys_fchmod , 2)
1603 MIPS_SYS(sys_fchown , 3) /* 4095 */
1604 MIPS_SYS(sys_getpriority , 2)
1605 MIPS_SYS(sys_setpriority , 3)
1606 MIPS_SYS(sys_ni_syscall , 0)
1607 MIPS_SYS(sys_statfs , 2)
1608 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1609 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1610 MIPS_SYS(sys_socketcall , 2)
1611 MIPS_SYS(sys_syslog , 3)
1612 MIPS_SYS(sys_setitimer , 3)
1613 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1614 MIPS_SYS(sys_newstat , 2)
1615 MIPS_SYS(sys_newlstat , 2)
1616 MIPS_SYS(sys_newfstat , 2)
1617 MIPS_SYS(sys_uname , 1)
1618 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1619 MIPS_SYS(sys_vhangup , 0)
1620 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1621 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1622 MIPS_SYS(sys_wait4 , 4)
1623 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1624 MIPS_SYS(sys_sysinfo , 1)
1625 MIPS_SYS(sys_ipc , 6)
1626 MIPS_SYS(sys_fsync , 1)
1627 MIPS_SYS(sys_sigreturn , 0)
1628 MIPS_SYS(sys_clone , 0) /* 4120 */
1629 MIPS_SYS(sys_setdomainname, 2)
1630 MIPS_SYS(sys_newuname , 1)
1631 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1632 MIPS_SYS(sys_adjtimex , 1)
1633 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1634 MIPS_SYS(sys_sigprocmask , 3)
1635 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1636 MIPS_SYS(sys_init_module , 5)
1637 MIPS_SYS(sys_delete_module, 1)
1638 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1639 MIPS_SYS(sys_quotactl , 0)
1640 MIPS_SYS(sys_getpgid , 1)
1641 MIPS_SYS(sys_fchdir , 1)
1642 MIPS_SYS(sys_bdflush , 2)
1643 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1644 MIPS_SYS(sys_personality , 1)
1645 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1646 MIPS_SYS(sys_setfsuid , 1)
1647 MIPS_SYS(sys_setfsgid , 1)
1648 MIPS_SYS(sys_llseek , 5) /* 4140 */
1649 MIPS_SYS(sys_getdents , 3)
1650 MIPS_SYS(sys_select , 5)
1651 MIPS_SYS(sys_flock , 2)
1652 MIPS_SYS(sys_msync , 3)
1653 MIPS_SYS(sys_readv , 3) /* 4145 */
1654 MIPS_SYS(sys_writev , 3)
1655 MIPS_SYS(sys_cacheflush , 3)
1656 MIPS_SYS(sys_cachectl , 3)
1657 MIPS_SYS(sys_sysmips , 4)
1658 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1659 MIPS_SYS(sys_getsid , 1)
1660 MIPS_SYS(sys_fdatasync , 0)
1661 MIPS_SYS(sys_sysctl , 1)
1662 MIPS_SYS(sys_mlock , 2)
1663 MIPS_SYS(sys_munlock , 2) /* 4155 */
1664 MIPS_SYS(sys_mlockall , 1)
1665 MIPS_SYS(sys_munlockall , 0)
1666 MIPS_SYS(sys_sched_setparam, 2)
1667 MIPS_SYS(sys_sched_getparam, 2)
1668 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1669 MIPS_SYS(sys_sched_getscheduler, 1)
1670 MIPS_SYS(sys_sched_yield , 0)
1671 MIPS_SYS(sys_sched_get_priority_max, 1)
1672 MIPS_SYS(sys_sched_get_priority_min, 1)
1673 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1674 MIPS_SYS(sys_nanosleep, 2)
1675 MIPS_SYS(sys_mremap , 4)
1676 MIPS_SYS(sys_accept , 3)
1677 MIPS_SYS(sys_bind , 3)
1678 MIPS_SYS(sys_connect , 3) /* 4170 */
1679 MIPS_SYS(sys_getpeername , 3)
1680 MIPS_SYS(sys_getsockname , 3)
1681 MIPS_SYS(sys_getsockopt , 5)
1682 MIPS_SYS(sys_listen , 2)
1683 MIPS_SYS(sys_recv , 4) /* 4175 */
1684 MIPS_SYS(sys_recvfrom , 6)
1685 MIPS_SYS(sys_recvmsg , 3)
1686 MIPS_SYS(sys_send , 4)
1687 MIPS_SYS(sys_sendmsg , 3)
1688 MIPS_SYS(sys_sendto , 6) /* 4180 */
1689 MIPS_SYS(sys_setsockopt , 5)
1690 MIPS_SYS(sys_shutdown , 2)
1691 MIPS_SYS(sys_socket , 3)
1692 MIPS_SYS(sys_socketpair , 4)
1693 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1694 MIPS_SYS(sys_getresuid , 3)
1695 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1696 MIPS_SYS(sys_poll , 3)
1697 MIPS_SYS(sys_nfsservctl , 3)
1698 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1699 MIPS_SYS(sys_getresgid , 3)
1700 MIPS_SYS(sys_prctl , 5)
1701 MIPS_SYS(sys_rt_sigreturn, 0)
1702 MIPS_SYS(sys_rt_sigaction, 4)
1703 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1704 MIPS_SYS(sys_rt_sigpending, 2)
1705 MIPS_SYS(sys_rt_sigtimedwait, 4)
1706 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1707 MIPS_SYS(sys_rt_sigsuspend, 0)
1708 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1709 MIPS_SYS(sys_pwrite64 , 6)
1710 MIPS_SYS(sys_chown , 3)
1711 MIPS_SYS(sys_getcwd , 2)
1712 MIPS_SYS(sys_capget , 2)
1713 MIPS_SYS(sys_capset , 2) /* 4205 */
1714 MIPS_SYS(sys_sigaltstack , 0)
1715 MIPS_SYS(sys_sendfile , 4)
1716 MIPS_SYS(sys_ni_syscall , 0)
1717 MIPS_SYS(sys_ni_syscall , 0)
1718 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1719 MIPS_SYS(sys_truncate64 , 4)
1720 MIPS_SYS(sys_ftruncate64 , 4)
1721 MIPS_SYS(sys_stat64 , 2)
1722 MIPS_SYS(sys_lstat64 , 2)
1723 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1724 MIPS_SYS(sys_pivot_root , 2)
1725 MIPS_SYS(sys_mincore , 3)
1726 MIPS_SYS(sys_madvise , 3)
1727 MIPS_SYS(sys_getdents64 , 3)
1728 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1729 MIPS_SYS(sys_ni_syscall , 0)
1730 MIPS_SYS(sys_gettid , 0)
1731 MIPS_SYS(sys_readahead , 5)
1732 MIPS_SYS(sys_setxattr , 5)
1733 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1734 MIPS_SYS(sys_fsetxattr , 5)
1735 MIPS_SYS(sys_getxattr , 4)
1736 MIPS_SYS(sys_lgetxattr , 4)
1737 MIPS_SYS(sys_fgetxattr , 4)
1738 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1739 MIPS_SYS(sys_llistxattr , 3)
1740 MIPS_SYS(sys_flistxattr , 3)
1741 MIPS_SYS(sys_removexattr , 2)
1742 MIPS_SYS(sys_lremovexattr, 2)
1743 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1744 MIPS_SYS(sys_tkill , 2)
1745 MIPS_SYS(sys_sendfile64 , 5)
1746 MIPS_SYS(sys_futex , 2)
1747 MIPS_SYS(sys_sched_setaffinity, 3)
1748 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1749 MIPS_SYS(sys_io_setup , 2)
1750 MIPS_SYS(sys_io_destroy , 1)
1751 MIPS_SYS(sys_io_getevents, 5)
1752 MIPS_SYS(sys_io_submit , 3)
1753 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1754 MIPS_SYS(sys_exit_group , 1)
1755 MIPS_SYS(sys_lookup_dcookie, 3)
1756 MIPS_SYS(sys_epoll_create, 1)
1757 MIPS_SYS(sys_epoll_ctl , 4)
1758 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1759 MIPS_SYS(sys_remap_file_pages, 5)
1760 MIPS_SYS(sys_set_tid_address, 1)
1761 MIPS_SYS(sys_restart_syscall, 0)
1762 MIPS_SYS(sys_fadvise64_64, 7)
1763 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1764 MIPS_SYS(sys_fstatfs64 , 2)
1765 MIPS_SYS(sys_timer_create, 3)
1766 MIPS_SYS(sys_timer_settime, 4)
1767 MIPS_SYS(sys_timer_gettime, 2)
1768 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1769 MIPS_SYS(sys_timer_delete, 1)
1770 MIPS_SYS(sys_clock_settime, 2)
1771 MIPS_SYS(sys_clock_gettime, 2)
1772 MIPS_SYS(sys_clock_getres, 2)
1773 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1774 MIPS_SYS(sys_tgkill , 3)
1775 MIPS_SYS(sys_utimes , 2)
1776 MIPS_SYS(sys_mbind , 4)
1777 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1778 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1779 MIPS_SYS(sys_mq_open , 4)
1780 MIPS_SYS(sys_mq_unlink , 1)
1781 MIPS_SYS(sys_mq_timedsend, 5)
1782 MIPS_SYS(sys_mq_timedreceive, 5)
1783 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1784 MIPS_SYS(sys_mq_getsetattr, 3)
1785 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1786 MIPS_SYS(sys_waitid , 4)
1787 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1788 MIPS_SYS(sys_add_key , 5)
1789 MIPS_SYS(sys_request_key, 4)
1790 MIPS_SYS(sys_keyctl , 5)
1791 MIPS_SYS(sys_set_thread_area, 1)
1792 MIPS_SYS(sys_inotify_init, 0)
1793 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1794 MIPS_SYS(sys_inotify_rm_watch, 2)
1795 MIPS_SYS(sys_migrate_pages, 4)
1796 MIPS_SYS(sys_openat, 4)
1797 MIPS_SYS(sys_mkdirat, 3)
1798 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1799 MIPS_SYS(sys_fchownat, 5)
1800 MIPS_SYS(sys_futimesat, 3)
1801 MIPS_SYS(sys_fstatat64, 4)
1802 MIPS_SYS(sys_unlinkat, 3)
1803 MIPS_SYS(sys_renameat, 4) /* 4295 */
1804 MIPS_SYS(sys_linkat, 5)
1805 MIPS_SYS(sys_symlinkat, 3)
1806 MIPS_SYS(sys_readlinkat, 4)
1807 MIPS_SYS(sys_fchmodat, 3)
1808 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1809 MIPS_SYS(sys_pselect6, 6)
1810 MIPS_SYS(sys_ppoll, 5)
1811 MIPS_SYS(sys_unshare, 1)
1812 MIPS_SYS(sys_splice, 4)
1813 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1814 MIPS_SYS(sys_tee, 4)
1815 MIPS_SYS(sys_vmsplice, 4)
1816 MIPS_SYS(sys_move_pages, 6)
1817 MIPS_SYS(sys_set_robust_list, 2)
1818 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1819 MIPS_SYS(sys_kexec_load, 4)
1820 MIPS_SYS(sys_getcpu, 3)
1821 MIPS_SYS(sys_epoll_pwait, 6)
1822 MIPS_SYS(sys_ioprio_set, 3)
1823 MIPS_SYS(sys_ioprio_get, 2)
1828 void cpu_loop(CPUMIPSState *env)
1830 target_siginfo_t info;
1832 unsigned int syscall_num;
1835 trapnr = cpu_mips_exec(env);
1838 syscall_num = env->active_tc.gpr[2] - 4000;
1839 env->active_tc.PC += 4;
1840 if (syscall_num >= sizeof(mips_syscall_args)) {
1845 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1847 nb_args = mips_syscall_args[syscall_num];
1848 sp_reg = env->active_tc.gpr[29];
1850 /* these arguments are taken from the stack */
1851 /* FIXME - what to do if get_user() fails? */
1852 case 8: get_user_ual(arg8, sp_reg + 28);
1853 case 7: get_user_ual(arg7, sp_reg + 24);
1854 case 6: get_user_ual(arg6, sp_reg + 20);
1855 case 5: get_user_ual(arg5, sp_reg + 16);
1859 ret = do_syscall(env, env->active_tc.gpr[2],
1860 env->active_tc.gpr[4],
1861 env->active_tc.gpr[5],
1862 env->active_tc.gpr[6],
1863 env->active_tc.gpr[7],
1864 arg5, arg6/*, arg7, arg8*/);
1866 if (ret == -TARGET_QEMU_ESIGRETURN) {
1867 /* Returning from a successful sigreturn syscall.
1868 Avoid clobbering register state. */
1871 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1872 env->active_tc.gpr[7] = 1; /* error flag */
1875 env->active_tc.gpr[7] = 0; /* error flag */
1877 env->active_tc.gpr[2] = ret;
1881 info.si_signo = TARGET_SIGSEGV;
1883 /* XXX: check env->error_code */
1884 info.si_code = TARGET_SEGV_MAPERR;
1885 info._sifields._sigfault._addr = env->CP0_BadVAddr;
1886 queue_signal(env, info.si_signo, &info);
1890 info.si_signo = TARGET_SIGILL;
1893 queue_signal(env, info.si_signo, &info);
1895 case EXCP_INTERRUPT:
1896 /* just indicate that signals should be handled asap */
1902 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1905 info.si_signo = sig;
1907 info.si_code = TARGET_TRAP_BRKPT;
1908 queue_signal(env, info.si_signo, &info);
1914 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1916 cpu_dump_state(env, stderr, fprintf, 0);
1919 process_pending_signals(env);
1925 void cpu_loop (CPUState *env)
1928 target_siginfo_t info;
1931 trapnr = cpu_sh4_exec (env);
1936 ret = do_syscall(env,
1944 env->gregs[0] = ret;
1946 case EXCP_INTERRUPT:
1947 /* just indicate that signals should be handled asap */
1953 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1956 info.si_signo = sig;
1958 info.si_code = TARGET_TRAP_BRKPT;
1959 queue_signal(env, info.si_signo, &info);
1965 info.si_signo = SIGSEGV;
1967 info.si_code = TARGET_SEGV_MAPERR;
1968 info._sifields._sigfault._addr = env->tea;
1969 queue_signal(env, info.si_signo, &info);
1973 printf ("Unhandled trap: 0x%x\n", trapnr);
1974 cpu_dump_state(env, stderr, fprintf, 0);
1977 process_pending_signals (env);
1983 void cpu_loop (CPUState *env)
1986 target_siginfo_t info;
1989 trapnr = cpu_cris_exec (env);
1993 info.si_signo = SIGSEGV;
1995 /* XXX: check env->error_code */
1996 info.si_code = TARGET_SEGV_MAPERR;
1997 info._sifields._sigfault._addr = env->pregs[PR_EDA];
1998 queue_signal(env, info.si_signo, &info);
2001 case EXCP_INTERRUPT:
2002 /* just indicate that signals should be handled asap */
2005 ret = do_syscall(env,
2013 env->regs[10] = ret;
2019 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2022 info.si_signo = sig;
2024 info.si_code = TARGET_TRAP_BRKPT;
2025 queue_signal(env, info.si_signo, &info);
2030 printf ("Unhandled trap: 0x%x\n", trapnr);
2031 cpu_dump_state(env, stderr, fprintf, 0);
2034 process_pending_signals (env);
2041 void cpu_loop(CPUM68KState *env)
2045 target_siginfo_t info;
2046 TaskState *ts = env->opaque;
2049 trapnr = cpu_m68k_exec(env);
2053 if (ts->sim_syscalls) {
2055 nr = lduw(env->pc + 2);
2057 do_m68k_simcall(env, nr);
2063 case EXCP_HALT_INSN:
2064 /* Semihosing syscall. */
2066 do_m68k_semihosting(env, env->dregs[0]);
2070 case EXCP_UNSUPPORTED:
2072 info.si_signo = SIGILL;
2074 info.si_code = TARGET_ILL_ILLOPN;
2075 info._sifields._sigfault._addr = env->pc;
2076 queue_signal(env, info.si_signo, &info);
2080 ts->sim_syscalls = 0;
2083 env->dregs[0] = do_syscall(env,
2093 case EXCP_INTERRUPT:
2094 /* just indicate that signals should be handled asap */
2098 info.si_signo = SIGSEGV;
2100 /* XXX: check env->error_code */
2101 info.si_code = TARGET_SEGV_MAPERR;
2102 info._sifields._sigfault._addr = env->mmu.ar;
2103 queue_signal(env, info.si_signo, &info);
2110 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2113 info.si_signo = sig;
2115 info.si_code = TARGET_TRAP_BRKPT;
2116 queue_signal(env, info.si_signo, &info);
2121 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
2123 cpu_dump_state(env, stderr, fprintf, 0);
2126 process_pending_signals(env);
2129 #endif /* TARGET_M68K */
2132 void cpu_loop (CPUState *env)
2135 target_siginfo_t info;
2138 trapnr = cpu_alpha_exec (env);
2142 fprintf(stderr, "Reset requested. Exit\n");
2146 fprintf(stderr, "Machine check exception. Exit\n");
2150 fprintf(stderr, "Arithmetic trap.\n");
2153 case EXCP_HW_INTERRUPT:
2154 fprintf(stderr, "External interrupt. Exit\n");
2158 fprintf(stderr, "MMU data fault\n");
2161 case EXCP_DTB_MISS_PAL:
2162 fprintf(stderr, "MMU data TLB miss in PALcode\n");
2166 fprintf(stderr, "MMU instruction TLB miss\n");
2170 fprintf(stderr, "MMU instruction access violation\n");
2173 case EXCP_DTB_MISS_NATIVE:
2174 fprintf(stderr, "MMU data TLB miss\n");
2178 fprintf(stderr, "Unaligned access\n");
2182 fprintf(stderr, "Invalid instruction\n");
2186 fprintf(stderr, "Floating-point not allowed\n");
2189 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
2190 call_pal(env, (trapnr >> 6) | 0x80);
2192 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
2193 fprintf(stderr, "Privileged call to PALcode\n");
2200 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2203 info.si_signo = sig;
2205 info.si_code = TARGET_TRAP_BRKPT;
2206 queue_signal(env, info.si_signo, &info);
2211 printf ("Unhandled trap: 0x%x\n", trapnr);
2212 cpu_dump_state(env, stderr, fprintf, 0);
2215 process_pending_signals (env);
2218 #endif /* TARGET_ALPHA */
2220 static void usage(void)
2222 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
2223 "usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n"
2224 "Linux CPU emulator (compiled for %s emulation)\n"
2226 "Standard options:\n"
2227 "-h print this help\n"
2228 "-g port wait gdb connection to port\n"
2229 "-L path set the elf interpreter prefix (default=%s)\n"
2230 "-s size set the stack size in bytes (default=%ld)\n"
2231 "-cpu model select CPU (-cpu ? for list)\n"
2232 "-drop-ld-preload drop LD_PRELOAD for target process\n"
2233 "-E var=value sets/modifies targets environment variable(s)\n"
2234 "-U var unsets targets environment variable(s)\n"
2235 "-0 argv0 forces target process argv[0] to be argv0\n"
2238 "-d options activate log (logfile=%s)\n"
2239 "-p pagesize set the host page size to 'pagesize'\n"
2240 "-singlestep always run in singlestep mode\n"
2241 "-strace log system calls\n"
2243 "Environment variables:\n"
2244 "QEMU_STRACE Print system calls and arguments similar to the\n"
2245 " 'strace' program. Enable by setting to any value.\n"
2246 "You can use -E and -U options to set/unset environment variables\n"
2247 "for target process. It is possible to provide several variables\n"
2248 "by repeating the option. For example:\n"
2249 " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n"
2250 "Note that if you provide several changes to single variable\n"
2251 "last change will stay in effect.\n"
2260 THREAD CPUState *thread_env;
2262 /* Assumes contents are already zeroed. */
2263 void init_task_state(TaskState *ts)
2268 ts->first_free = ts->sigqueue_table;
2269 for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) {
2270 ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1];
2272 ts->sigqueue_table[i].next = NULL;
2275 int main(int argc, char **argv, char **envp)
2277 const char *filename;
2278 const char *cpu_model;
2279 struct target_pt_regs regs1, *regs = ®s1;
2280 struct image_info info1, *info = &info1;
2281 TaskState ts1, *ts = &ts1;
2285 int gdbstub_port = 0;
2286 char **target_environ, **wrk;
2289 envlist_t *envlist = NULL;
2290 const char *argv0 = NULL;
2296 qemu_cache_utils_init(envp);
2299 cpu_set_log_filename(DEBUG_LOGFILE);
2301 if ((envlist = envlist_create()) == NULL) {
2302 (void) fprintf(stderr, "Unable to allocate envlist\n");
2306 /* add current environment into the list */
2307 for (wrk = environ; *wrk != NULL; wrk++) {
2308 (void) envlist_setenv(envlist, *wrk);
2321 if (!strcmp(r, "-")) {
2323 } else if (!strcmp(r, "d")) {
2325 const CPULogItem *item;
2331 mask = cpu_str_to_log_mask(r);
2333 printf("Log items (comma separated):\n");
2334 for(item = cpu_log_items; item->mask != 0; item++) {
2335 printf("%-10s %s\n", item->name, item->help);
2340 } else if (!strcmp(r, "E")) {
2342 if (envlist_setenv(envlist, r) != 0)
2344 } else if (!strcmp(r, "U")) {
2346 if (envlist_unsetenv(envlist, r) != 0)
2348 } else if (!strcmp(r, "0")) {
2351 } else if (!strcmp(r, "s")) {
2355 x86_stack_size = strtol(r, (char **)&r, 0);
2356 if (x86_stack_size <= 0)
2359 x86_stack_size *= 1024 * 1024;
2360 else if (*r == 'k' || *r == 'K')
2361 x86_stack_size *= 1024;
2362 } else if (!strcmp(r, "L")) {
2363 interp_prefix = argv[optind++];
2364 } else if (!strcmp(r, "p")) {
2367 qemu_host_page_size = atoi(argv[optind++]);
2368 if (qemu_host_page_size == 0 ||
2369 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
2370 fprintf(stderr, "page size must be a power of two\n");
2373 } else if (!strcmp(r, "g")) {
2376 gdbstub_port = atoi(argv[optind++]);
2377 } else if (!strcmp(r, "r")) {
2378 qemu_uname_release = argv[optind++];
2379 } else if (!strcmp(r, "cpu")) {
2380 cpu_model = argv[optind++];
2381 if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) {
2382 /* XXX: implement xxx_cpu_list for targets that still miss it */
2383 #if defined(cpu_list)
2384 cpu_list(stdout, &fprintf);
2388 } else if (!strcmp(r, "drop-ld-preload")) {
2389 (void) envlist_unsetenv(envlist, "LD_PRELOAD");
2390 } else if (!strcmp(r, "singlestep")) {
2392 } else if (!strcmp(r, "strace")) {
2401 filename = argv[optind];
2402 exec_path = argv[optind];
2405 memset(regs, 0, sizeof(struct target_pt_regs));
2407 /* Zero out image_info */
2408 memset(info, 0, sizeof(struct image_info));
2410 /* Scan interp_prefix dir for replacement files. */
2411 init_paths(interp_prefix);
2413 if (cpu_model == NULL) {
2414 #if defined(TARGET_I386)
2415 #ifdef TARGET_X86_64
2416 cpu_model = "qemu64";
2418 cpu_model = "qemu32";
2420 #elif defined(TARGET_ARM)
2422 #elif defined(TARGET_M68K)
2424 #elif defined(TARGET_SPARC)
2425 #ifdef TARGET_SPARC64
2426 cpu_model = "TI UltraSparc II";
2428 cpu_model = "Fujitsu MB86904";
2430 #elif defined(TARGET_MIPS)
2431 #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
2436 #elif defined(TARGET_PPC)
2446 cpu_exec_init_all(0);
2447 /* NOTE: we need to init the CPU at this stage to get
2448 qemu_host_page_size */
2449 env = cpu_init(cpu_model);
2451 fprintf(stderr, "Unable to find CPU definition\n");
2456 if (getenv("QEMU_STRACE")) {
2460 target_environ = envlist_to_environ(envlist, NULL);
2461 envlist_free(envlist);
2464 * Prepare copy of argv vector for target.
2466 target_argc = argc - optind;
2467 target_argv = calloc(target_argc + 1, sizeof (char *));
2468 if (target_argv == NULL) {
2469 (void) fprintf(stderr, "Unable to allocate memory for target_argv\n");
2474 * If argv0 is specified (using '-0' switch) we replace
2475 * argv[0] pointer with the given one.
2478 if (argv0 != NULL) {
2479 target_argv[i++] = strdup(argv0);
2481 for (; i < target_argc; i++) {
2482 target_argv[i] = strdup(argv[optind + i]);
2484 target_argv[target_argc] = NULL;
2486 if (loader_exec(filename, target_argv, target_environ, regs, info) != 0) {
2487 printf("Error loading %s\n", filename);
2491 for (i = 0; i < target_argc; i++) {
2492 free(target_argv[i]);
2496 for (wrk = target_environ; *wrk; wrk++) {
2500 free(target_environ);
2502 if (qemu_log_enabled()) {
2505 qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
2506 qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code);
2507 qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n",
2509 qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n",
2511 qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data);
2512 qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n",
2514 qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk);
2515 qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry);
2518 target_set_brk(info->brk);
2522 /* build Task State */
2523 memset(ts, 0, sizeof(TaskState));
2524 init_task_state(ts);
2528 #if defined(TARGET_I386)
2529 cpu_x86_set_cpl(env, 3);
2531 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
2532 env->hflags |= HF_PE_MASK;
2533 if (env->cpuid_features & CPUID_SSE) {
2534 env->cr[4] |= CR4_OSFXSR_MASK;
2535 env->hflags |= HF_OSFXSR_MASK;
2537 #ifndef TARGET_ABI32
2538 /* enable 64 bit mode if possible */
2539 if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) {
2540 fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n");
2543 env->cr[4] |= CR4_PAE_MASK;
2544 env->efer |= MSR_EFER_LMA | MSR_EFER_LME;
2545 env->hflags |= HF_LMA_MASK;
2548 /* flags setup : we activate the IRQs by default as in user mode */
2549 env->eflags |= IF_MASK;
2551 /* linux register setup */
2552 #ifndef TARGET_ABI32
2553 env->regs[R_EAX] = regs->rax;
2554 env->regs[R_EBX] = regs->rbx;
2555 env->regs[R_ECX] = regs->rcx;
2556 env->regs[R_EDX] = regs->rdx;
2557 env->regs[R_ESI] = regs->rsi;
2558 env->regs[R_EDI] = regs->rdi;
2559 env->regs[R_EBP] = regs->rbp;
2560 env->regs[R_ESP] = regs->rsp;
2561 env->eip = regs->rip;
2563 env->regs[R_EAX] = regs->eax;
2564 env->regs[R_EBX] = regs->ebx;
2565 env->regs[R_ECX] = regs->ecx;
2566 env->regs[R_EDX] = regs->edx;
2567 env->regs[R_ESI] = regs->esi;
2568 env->regs[R_EDI] = regs->edi;
2569 env->regs[R_EBP] = regs->ebp;
2570 env->regs[R_ESP] = regs->esp;
2571 env->eip = regs->eip;
2574 /* linux interrupt setup */
2575 #ifndef TARGET_ABI32
2576 env->idt.limit = 511;
2578 env->idt.limit = 255;
2580 env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),
2581 PROT_READ|PROT_WRITE,
2582 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2583 idt_table = g2h(env->idt.base);
2606 /* linux segment setup */
2608 uint64_t *gdt_table;
2609 env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
2610 PROT_READ|PROT_WRITE,
2611 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2612 env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;
2613 gdt_table = g2h(env->gdt.base);
2615 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2616 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2617 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2619 /* 64 bit code segment */
2620 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2621 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2623 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2625 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
2626 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2627 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
2629 cpu_x86_load_seg(env, R_CS, __USER_CS);
2630 cpu_x86_load_seg(env, R_SS, __USER_DS);
2632 cpu_x86_load_seg(env, R_DS, __USER_DS);
2633 cpu_x86_load_seg(env, R_ES, __USER_DS);
2634 cpu_x86_load_seg(env, R_FS, __USER_DS);
2635 cpu_x86_load_seg(env, R_GS, __USER_DS);
2636 /* This hack makes Wine work... */
2637 env->segs[R_FS].selector = 0;
2639 cpu_x86_load_seg(env, R_DS, 0);
2640 cpu_x86_load_seg(env, R_ES, 0);
2641 cpu_x86_load_seg(env, R_FS, 0);
2642 cpu_x86_load_seg(env, R_GS, 0);
2644 #elif defined(TARGET_ARM)
2647 cpsr_write(env, regs->uregs[16], 0xffffffff);
2648 for(i = 0; i < 16; i++) {
2649 env->regs[i] = regs->uregs[i];
2652 #elif defined(TARGET_SPARC)
2656 env->npc = regs->npc;
2658 for(i = 0; i < 8; i++)
2659 env->gregs[i] = regs->u_regs[i];
2660 for(i = 0; i < 8; i++)
2661 env->regwptr[i] = regs->u_regs[i + 8];
2663 #elif defined(TARGET_PPC)
2667 #if defined(TARGET_PPC64)
2668 #if defined(TARGET_ABI32)
2669 env->msr &= ~((target_ulong)1 << MSR_SF);
2671 env->msr |= (target_ulong)1 << MSR_SF;
2674 env->nip = regs->nip;
2675 for(i = 0; i < 32; i++) {
2676 env->gpr[i] = regs->gpr[i];
2679 #elif defined(TARGET_M68K)
2682 env->dregs[0] = regs->d0;
2683 env->dregs[1] = regs->d1;
2684 env->dregs[2] = regs->d2;
2685 env->dregs[3] = regs->d3;
2686 env->dregs[4] = regs->d4;
2687 env->dregs[5] = regs->d5;
2688 env->dregs[6] = regs->d6;
2689 env->dregs[7] = regs->d7;
2690 env->aregs[0] = regs->a0;
2691 env->aregs[1] = regs->a1;
2692 env->aregs[2] = regs->a2;
2693 env->aregs[3] = regs->a3;
2694 env->aregs[4] = regs->a4;
2695 env->aregs[5] = regs->a5;
2696 env->aregs[6] = regs->a6;
2697 env->aregs[7] = regs->usp;
2699 ts->sim_syscalls = 1;
2701 #elif defined(TARGET_MIPS)
2705 for(i = 0; i < 32; i++) {
2706 env->active_tc.gpr[i] = regs->regs[i];
2708 env->active_tc.PC = regs->cp0_epc;
2710 #elif defined(TARGET_SH4)
2714 for(i = 0; i < 16; i++) {
2715 env->gregs[i] = regs->regs[i];
2719 #elif defined(TARGET_ALPHA)
2723 for(i = 0; i < 28; i++) {
2724 env->ir[i] = ((abi_ulong *)regs)[i];
2726 env->ipr[IPR_USP] = regs->usp;
2727 env->ir[30] = regs->usp;
2729 env->unique = regs->unique;
2731 #elif defined(TARGET_CRIS)
2733 env->regs[0] = regs->r0;
2734 env->regs[1] = regs->r1;
2735 env->regs[2] = regs->r2;
2736 env->regs[3] = regs->r3;
2737 env->regs[4] = regs->r4;
2738 env->regs[5] = regs->r5;
2739 env->regs[6] = regs->r6;
2740 env->regs[7] = regs->r7;
2741 env->regs[8] = regs->r8;
2742 env->regs[9] = regs->r9;
2743 env->regs[10] = regs->r10;
2744 env->regs[11] = regs->r11;
2745 env->regs[12] = regs->r12;
2746 env->regs[13] = regs->r13;
2747 env->regs[14] = info->start_stack;
2748 env->regs[15] = regs->acr;
2749 env->pc = regs->erp;
2752 #error unsupported target CPU
2755 #if defined(TARGET_ARM) || defined(TARGET_M68K)
2756 ts->stack_base = info->start_stack;
2757 ts->heap_base = info->brk;
2758 /* This will be filled in on the first SYS_HEAPINFO call. */
2763 gdbserver_start (gdbstub_port);
2764 gdb_handlesig(env, 0);