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,
28 #include <sys/syscall.h>
31 #include "qemu-common.h"
32 #include "cache-utils.h"
39 #define DEBUG_LOGFILE "/tmp/qemu.log"
45 static const char *interp_prefix = CONFIG_QEMU_PREFIX;
46 const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
48 #if defined(__i386__) && !defined(CONFIG_STATIC)
49 /* Force usage of an ELF interpreter even if it is an ELF shared
51 const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
54 /* for recent libc, we add these dummy symbols which are not declared
55 when generating a linked object (bug in ld ?) */
56 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
57 asm(".globl __preinit_array_start\n"
58 ".globl __preinit_array_end\n"
59 ".globl __init_array_start\n"
60 ".globl __init_array_end\n"
61 ".globl __fini_array_start\n"
62 ".globl __fini_array_end\n"
63 ".section \".rodata\"\n"
64 "__preinit_array_start:\n"
65 "__preinit_array_end:\n"
66 "__init_array_start:\n"
68 "__fini_array_start:\n"
74 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
75 we allocate a bigger stack. Need a better solution, for example
76 by remapping the process stack directly at the right place */
77 unsigned long x86_stack_size = 512 * 1024;
79 void gemu_log(const char *fmt, ...)
84 vfprintf(stderr, fmt, ap);
88 void cpu_outb(CPUState *env, int addr, int val)
90 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
93 void cpu_outw(CPUState *env, int addr, int val)
95 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
98 void cpu_outl(CPUState *env, int addr, int val)
100 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
103 int cpu_inb(CPUState *env, int addr)
105 fprintf(stderr, "inb: port=0x%04x\n", addr);
109 int cpu_inw(CPUState *env, int addr)
111 fprintf(stderr, "inw: port=0x%04x\n", addr);
115 int cpu_inl(CPUState *env, int addr)
117 fprintf(stderr, "inl: port=0x%04x\n", addr);
121 #if defined(TARGET_I386)
122 int cpu_get_pic_interrupt(CPUState *env)
128 /* timers for rdtsc */
132 static uint64_t emu_time;
134 int64_t cpu_get_real_ticks(void)
141 #if defined(USE_NPTL)
142 /***********************************************************/
143 /* Helper routines for implementing atomic operations. */
145 /* To implement exclusive operations we force all cpus to syncronise.
146 We don't require a full sync, only that no cpus are executing guest code.
147 The alternative is to map target atomic ops onto host equivalents,
148 which requires quite a lot of per host/target work. */
149 static pthread_mutex_t cpu_list_mutex = PTHREAD_MUTEX_INITIALIZER;
150 static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER;
151 static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER;
152 static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER;
153 static int pending_cpus;
155 /* Make sure everything is in a consistent state for calling fork(). */
156 void fork_start(void)
159 pthread_mutex_lock(&tb_lock);
160 pthread_mutex_lock(&exclusive_lock);
163 void fork_end(int child)
166 /* Child processes created by fork() only have a single thread.
167 Discard information about the parent threads. */
168 first_cpu = thread_env;
169 thread_env->next_cpu = NULL;
171 pthread_mutex_init(&exclusive_lock, NULL);
172 pthread_mutex_init(&cpu_list_mutex, NULL);
173 pthread_cond_init(&exclusive_cond, NULL);
174 pthread_cond_init(&exclusive_resume, NULL);
175 pthread_mutex_init(&tb_lock, NULL);
176 gdbserver_fork(thread_env);
178 pthread_mutex_unlock(&exclusive_lock);
179 pthread_mutex_unlock(&tb_lock);
181 mmap_fork_end(child);
184 /* Wait for pending exclusive operations to complete. The exclusive lock
186 static inline void exclusive_idle(void)
188 while (pending_cpus) {
189 pthread_cond_wait(&exclusive_resume, &exclusive_lock);
193 /* Start an exclusive operation.
194 Must only be called from outside cpu_arm_exec. */
195 static inline void start_exclusive(void)
198 pthread_mutex_lock(&exclusive_lock);
202 /* Make all other cpus stop executing. */
203 for (other = first_cpu; other; other = other->next_cpu) {
204 if (other->running) {
209 if (pending_cpus > 1) {
210 pthread_cond_wait(&exclusive_cond, &exclusive_lock);
214 /* Finish an exclusive operation. */
215 static inline void end_exclusive(void)
218 pthread_cond_broadcast(&exclusive_resume);
219 pthread_mutex_unlock(&exclusive_lock);
222 /* Wait for exclusive ops to finish, and begin cpu execution. */
223 static inline void cpu_exec_start(CPUState *env)
225 pthread_mutex_lock(&exclusive_lock);
228 pthread_mutex_unlock(&exclusive_lock);
231 /* Mark cpu as not executing, and release pending exclusive ops. */
232 static inline void cpu_exec_end(CPUState *env)
234 pthread_mutex_lock(&exclusive_lock);
236 if (pending_cpus > 1) {
238 if (pending_cpus == 1) {
239 pthread_cond_signal(&exclusive_cond);
243 pthread_mutex_unlock(&exclusive_lock);
246 void cpu_list_lock(void)
248 pthread_mutex_lock(&cpu_list_mutex);
251 void cpu_list_unlock(void)
253 pthread_mutex_unlock(&cpu_list_mutex);
255 #else /* if !USE_NPTL */
256 /* These are no-ops because we are not threadsafe. */
257 static inline void cpu_exec_start(CPUState *env)
261 static inline void cpu_exec_end(CPUState *env)
265 static inline void start_exclusive(void)
269 static inline void end_exclusive(void)
273 void fork_start(void)
277 void fork_end(int child)
280 gdbserver_fork(thread_env);
284 void cpu_list_lock(void)
288 void cpu_list_unlock(void)
295 /***********************************************************/
296 /* CPUX86 core interface */
298 void cpu_smm_update(CPUState *env)
302 uint64_t cpu_get_tsc(CPUX86State *env)
304 return cpu_get_real_ticks();
307 static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
312 e1 = (addr << 16) | (limit & 0xffff);
313 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
320 static uint64_t *idt_table;
322 static void set_gate64(void *ptr, unsigned int type, unsigned int dpl,
323 uint64_t addr, unsigned int sel)
326 e1 = (addr & 0xffff) | (sel << 16);
327 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
331 p[2] = tswap32(addr >> 32);
334 /* only dpl matters as we do only user space emulation */
335 static void set_idt(int n, unsigned int dpl)
337 set_gate64(idt_table + n * 2, 0, dpl, 0, 0);
340 static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
341 uint32_t addr, unsigned int sel)
344 e1 = (addr & 0xffff) | (sel << 16);
345 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
351 /* only dpl matters as we do only user space emulation */
352 static void set_idt(int n, unsigned int dpl)
354 set_gate(idt_table + n, 0, dpl, 0, 0);
358 void cpu_loop(CPUX86State *env)
362 target_siginfo_t info;
365 trapnr = cpu_x86_exec(env);
368 /* linux syscall from int $0x80 */
369 env->regs[R_EAX] = do_syscall(env,
380 /* linux syscall from syscall intruction */
381 env->regs[R_EAX] = do_syscall(env,
389 env->eip = env->exception_next_eip;
394 info.si_signo = SIGBUS;
396 info.si_code = TARGET_SI_KERNEL;
397 info._sifields._sigfault._addr = 0;
398 queue_signal(env, info.si_signo, &info);
401 /* XXX: potential problem if ABI32 */
402 #ifndef TARGET_X86_64
403 if (env->eflags & VM_MASK) {
404 handle_vm86_fault(env);
408 info.si_signo = SIGSEGV;
410 info.si_code = TARGET_SI_KERNEL;
411 info._sifields._sigfault._addr = 0;
412 queue_signal(env, info.si_signo, &info);
416 info.si_signo = SIGSEGV;
418 if (!(env->error_code & 1))
419 info.si_code = TARGET_SEGV_MAPERR;
421 info.si_code = TARGET_SEGV_ACCERR;
422 info._sifields._sigfault._addr = env->cr[2];
423 queue_signal(env, info.si_signo, &info);
426 #ifndef TARGET_X86_64
427 if (env->eflags & VM_MASK) {
428 handle_vm86_trap(env, trapnr);
432 /* division by zero */
433 info.si_signo = SIGFPE;
435 info.si_code = TARGET_FPE_INTDIV;
436 info._sifields._sigfault._addr = env->eip;
437 queue_signal(env, info.si_signo, &info);
442 #ifndef TARGET_X86_64
443 if (env->eflags & VM_MASK) {
444 handle_vm86_trap(env, trapnr);
448 info.si_signo = SIGTRAP;
450 if (trapnr == EXCP01_DB) {
451 info.si_code = TARGET_TRAP_BRKPT;
452 info._sifields._sigfault._addr = env->eip;
454 info.si_code = TARGET_SI_KERNEL;
455 info._sifields._sigfault._addr = 0;
457 queue_signal(env, info.si_signo, &info);
462 #ifndef TARGET_X86_64
463 if (env->eflags & VM_MASK) {
464 handle_vm86_trap(env, trapnr);
468 info.si_signo = SIGSEGV;
470 info.si_code = TARGET_SI_KERNEL;
471 info._sifields._sigfault._addr = 0;
472 queue_signal(env, info.si_signo, &info);
476 info.si_signo = SIGILL;
478 info.si_code = TARGET_ILL_ILLOPN;
479 info._sifields._sigfault._addr = env->eip;
480 queue_signal(env, info.si_signo, &info);
483 /* just indicate that signals should be handled asap */
489 sig = gdb_handlesig (env, TARGET_SIGTRAP);
494 info.si_code = TARGET_TRAP_BRKPT;
495 queue_signal(env, info.si_signo, &info);
500 pc = env->segs[R_CS].base + env->eip;
501 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
505 process_pending_signals(env);
512 static void arm_cache_flush(abi_ulong start, abi_ulong last)
514 abi_ulong addr, last1;
520 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
523 tb_invalidate_page_range(addr, last1 + 1);
530 /* Handle a jump to the kernel code page. */
532 do_kernel_trap(CPUARMState *env)
538 switch (env->regs[15]) {
539 case 0xffff0fa0: /* __kernel_memory_barrier */
540 /* ??? No-op. Will need to do better for SMP. */
542 case 0xffff0fc0: /* __kernel_cmpxchg */
543 /* XXX: This only works between threads, not between processes.
544 It's probably possible to implement this with native host
545 operations. However things like ldrex/strex are much harder so
546 there's not much point trying. */
548 cpsr = cpsr_read(env);
550 /* FIXME: This should SEGV if the access fails. */
551 if (get_user_u32(val, addr))
553 if (val == env->regs[0]) {
555 /* FIXME: Check for segfaults. */
556 put_user_u32(val, addr);
563 cpsr_write(env, cpsr, CPSR_C);
566 case 0xffff0fe0: /* __kernel_get_tls */
567 env->regs[0] = env->cp15.c13_tls2;
572 /* Jump back to the caller. */
573 addr = env->regs[14];
578 env->regs[15] = addr;
583 void cpu_loop(CPUARMState *env)
586 unsigned int n, insn;
587 target_siginfo_t info;
592 trapnr = cpu_arm_exec(env);
597 TaskState *ts = env->opaque;
601 /* we handle the FPU emulation here, as Linux */
602 /* we get the opcode */
603 /* FIXME - what to do if get_user() fails? */
604 get_user_u32(opcode, env->regs[15]);
606 rc = EmulateAll(opcode, &ts->fpa, env);
607 if (rc == 0) { /* illegal instruction */
608 info.si_signo = SIGILL;
610 info.si_code = TARGET_ILL_ILLOPN;
611 info._sifields._sigfault._addr = env->regs[15];
612 queue_signal(env, info.si_signo, &info);
613 } else if (rc < 0) { /* FP exception */
616 /* translate softfloat flags to FPSR flags */
617 if (-rc & float_flag_invalid)
619 if (-rc & float_flag_divbyzero)
621 if (-rc & float_flag_overflow)
623 if (-rc & float_flag_underflow)
625 if (-rc & float_flag_inexact)
628 FPSR fpsr = ts->fpa.fpsr;
629 //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe);
631 if (fpsr & (arm_fpe << 16)) { /* exception enabled? */
632 info.si_signo = SIGFPE;
635 /* ordered by priority, least first */
636 if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES;
637 if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND;
638 if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF;
639 if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV;
640 if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV;
642 info._sifields._sigfault._addr = env->regs[15];
643 queue_signal(env, info.si_signo, &info);
648 /* accumulate unenabled exceptions */
649 if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC))
651 if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC))
653 if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC))
655 if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC))
657 if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC))
660 } else { /* everything OK */
671 if (trapnr == EXCP_BKPT) {
673 /* FIXME - what to do if get_user() fails? */
674 get_user_u16(insn, env->regs[15]);
678 /* FIXME - what to do if get_user() fails? */
679 get_user_u32(insn, env->regs[15]);
680 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
685 /* FIXME - what to do if get_user() fails? */
686 get_user_u16(insn, env->regs[15] - 2);
689 /* FIXME - what to do if get_user() fails? */
690 get_user_u32(insn, env->regs[15] - 4);
695 if (n == ARM_NR_cacheflush) {
696 arm_cache_flush(env->regs[0], env->regs[1]);
697 } else if (n == ARM_NR_semihosting
698 || n == ARM_NR_thumb_semihosting) {
699 env->regs[0] = do_arm_semihosting (env);
700 } else if (n == 0 || n >= ARM_SYSCALL_BASE
701 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
703 if (env->thumb || n == 0) {
706 n -= ARM_SYSCALL_BASE;
709 if ( n > ARM_NR_BASE) {
711 case ARM_NR_cacheflush:
712 arm_cache_flush(env->regs[0], env->regs[1]);
715 cpu_set_tls(env, env->regs[0]);
719 gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
721 env->regs[0] = -TARGET_ENOSYS;
725 env->regs[0] = do_syscall(env,
740 /* just indicate that signals should be handled asap */
742 case EXCP_PREFETCH_ABORT:
743 addr = env->cp15.c6_insn;
745 case EXCP_DATA_ABORT:
746 addr = env->cp15.c6_data;
750 info.si_signo = SIGSEGV;
752 /* XXX: check env->error_code */
753 info.si_code = TARGET_SEGV_MAPERR;
754 info._sifields._sigfault._addr = addr;
755 queue_signal(env, info.si_signo, &info);
762 sig = gdb_handlesig (env, TARGET_SIGTRAP);
767 info.si_code = TARGET_TRAP_BRKPT;
768 queue_signal(env, info.si_signo, &info);
772 case EXCP_KERNEL_TRAP:
773 if (do_kernel_trap(env))
778 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
780 cpu_dump_state(env, stderr, fprintf, 0);
783 process_pending_signals(env);
790 #define SPARC64_STACK_BIAS 2047
794 /* WARNING: dealing with register windows _is_ complicated. More info
795 can be found at http://www.sics.se/~psm/sparcstack.html */
796 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
798 index = (index + cwp * 16) % (16 * env->nwindows);
799 /* wrap handling : if cwp is on the last window, then we use the
800 registers 'after' the end */
801 if (index < 8 && env->cwp == env->nwindows - 1)
802 index += 16 * env->nwindows;
806 /* save the register window 'cwp1' */
807 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
812 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
813 #ifdef TARGET_SPARC64
815 sp_ptr += SPARC64_STACK_BIAS;
817 #if defined(DEBUG_WIN)
818 printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n",
821 for(i = 0; i < 16; i++) {
822 /* FIXME - what to do if put_user() fails? */
823 put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
824 sp_ptr += sizeof(abi_ulong);
828 static void save_window(CPUSPARCState *env)
830 #ifndef TARGET_SPARC64
831 unsigned int new_wim;
832 new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) &
833 ((1LL << env->nwindows) - 1);
834 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
837 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
843 static void restore_window(CPUSPARCState *env)
845 #ifndef TARGET_SPARC64
846 unsigned int new_wim;
848 unsigned int i, cwp1;
851 #ifndef TARGET_SPARC64
852 new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) &
853 ((1LL << env->nwindows) - 1);
856 /* restore the invalid window */
857 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
858 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
859 #ifdef TARGET_SPARC64
861 sp_ptr += SPARC64_STACK_BIAS;
863 #if defined(DEBUG_WIN)
864 printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n",
867 for(i = 0; i < 16; i++) {
868 /* FIXME - what to do if get_user() fails? */
869 get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
870 sp_ptr += sizeof(abi_ulong);
872 #ifdef TARGET_SPARC64
874 if (env->cleanwin < env->nwindows - 1)
882 static void flush_windows(CPUSPARCState *env)
888 /* if restore would invoke restore_window(), then we can stop */
889 cwp1 = cpu_cwp_inc(env, env->cwp + offset);
890 #ifndef TARGET_SPARC64
891 if (env->wim & (1 << cwp1))
894 if (env->canrestore == 0)
899 save_window_offset(env, cwp1);
902 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
903 #ifndef TARGET_SPARC64
904 /* set wim so that restore will reload the registers */
905 env->wim = 1 << cwp1;
907 #if defined(DEBUG_WIN)
908 printf("flush_windows: nb=%d\n", offset - 1);
912 void cpu_loop (CPUSPARCState *env)
915 target_siginfo_t info;
918 trapnr = cpu_sparc_exec (env);
921 #ifndef TARGET_SPARC64
928 ret = do_syscall (env, env->gregs[1],
929 env->regwptr[0], env->regwptr[1],
930 env->regwptr[2], env->regwptr[3],
931 env->regwptr[4], env->regwptr[5]);
932 if ((unsigned int)ret >= (unsigned int)(-515)) {
933 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
934 env->xcc |= PSR_CARRY;
936 env->psr |= PSR_CARRY;
940 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
941 env->xcc &= ~PSR_CARRY;
943 env->psr &= ~PSR_CARRY;
946 env->regwptr[0] = ret;
947 /* next instruction */
949 env->npc = env->npc + 4;
951 case 0x83: /* flush windows */
956 /* next instruction */
958 env->npc = env->npc + 4;
960 #ifndef TARGET_SPARC64
961 case TT_WIN_OVF: /* window overflow */
964 case TT_WIN_UNF: /* window underflow */
970 info.si_signo = SIGSEGV;
972 /* XXX: check env->error_code */
973 info.si_code = TARGET_SEGV_MAPERR;
974 info._sifields._sigfault._addr = env->mmuregs[4];
975 queue_signal(env, info.si_signo, &info);
979 case TT_SPILL: /* window overflow */
982 case TT_FILL: /* window underflow */
988 info.si_signo = SIGSEGV;
990 /* XXX: check env->error_code */
991 info.si_code = TARGET_SEGV_MAPERR;
992 if (trapnr == TT_DFAULT)
993 info._sifields._sigfault._addr = env->dmmuregs[4];
995 info._sifields._sigfault._addr = env->tsptr->tpc;
996 queue_signal(env, info.si_signo, &info);
1002 sparc64_get_context(env);
1006 sparc64_set_context(env);
1010 case EXCP_INTERRUPT:
1011 /* just indicate that signals should be handled asap */
1017 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1020 info.si_signo = sig;
1022 info.si_code = TARGET_TRAP_BRKPT;
1023 queue_signal(env, info.si_signo, &info);
1028 printf ("Unhandled trap: 0x%x\n", trapnr);
1029 cpu_dump_state(env, stderr, fprintf, 0);
1032 process_pending_signals (env);
1039 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
1045 uint32_t cpu_ppc_load_tbl (CPUState *env)
1047 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1050 uint32_t cpu_ppc_load_tbu (CPUState *env)
1052 return cpu_ppc_get_tb(env) >> 32;
1055 uint32_t cpu_ppc_load_atbl (CPUState *env)
1057 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1060 uint32_t cpu_ppc_load_atbu (CPUState *env)
1062 return cpu_ppc_get_tb(env) >> 32;
1065 uint32_t cpu_ppc601_load_rtcu (CPUState *env)
1066 __attribute__ (( alias ("cpu_ppc_load_tbu") ));
1068 uint32_t cpu_ppc601_load_rtcl (CPUState *env)
1070 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
1073 /* XXX: to be fixed */
1074 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
1079 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
1084 #define EXCP_DUMP(env, fmt, args...) \
1086 fprintf(stderr, fmt , ##args); \
1087 cpu_dump_state(env, stderr, fprintf, 0); \
1088 qemu_log(fmt, ##args); \
1089 log_cpu_state(env, 0); \
1092 void cpu_loop(CPUPPCState *env)
1094 target_siginfo_t info;
1099 trapnr = cpu_ppc_exec(env);
1101 case POWERPC_EXCP_NONE:
1104 case POWERPC_EXCP_CRITICAL: /* Critical input */
1105 cpu_abort(env, "Critical interrupt while in user mode. "
1108 case POWERPC_EXCP_MCHECK: /* Machine check exception */
1109 cpu_abort(env, "Machine check exception while in user mode. "
1112 case POWERPC_EXCP_DSI: /* Data storage exception */
1113 EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
1115 /* XXX: check this. Seems bugged */
1116 switch (env->error_code & 0xFF000000) {
1118 info.si_signo = TARGET_SIGSEGV;
1120 info.si_code = TARGET_SEGV_MAPERR;
1123 info.si_signo = TARGET_SIGILL;
1125 info.si_code = TARGET_ILL_ILLADR;
1128 info.si_signo = TARGET_SIGSEGV;
1130 info.si_code = TARGET_SEGV_ACCERR;
1133 /* Let's send a regular segfault... */
1134 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1136 info.si_signo = TARGET_SIGSEGV;
1138 info.si_code = TARGET_SEGV_MAPERR;
1141 info._sifields._sigfault._addr = env->nip;
1142 queue_signal(env, info.si_signo, &info);
1144 case POWERPC_EXCP_ISI: /* Instruction storage exception */
1145 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
1146 env->spr[SPR_SRR0]);
1147 /* XXX: check this */
1148 switch (env->error_code & 0xFF000000) {
1150 info.si_signo = TARGET_SIGSEGV;
1152 info.si_code = TARGET_SEGV_MAPERR;
1156 info.si_signo = TARGET_SIGSEGV;
1158 info.si_code = TARGET_SEGV_ACCERR;
1161 /* Let's send a regular segfault... */
1162 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1164 info.si_signo = TARGET_SIGSEGV;
1166 info.si_code = TARGET_SEGV_MAPERR;
1169 info._sifields._sigfault._addr = env->nip - 4;
1170 queue_signal(env, info.si_signo, &info);
1172 case POWERPC_EXCP_EXTERNAL: /* External input */
1173 cpu_abort(env, "External interrupt while in user mode. "
1176 case POWERPC_EXCP_ALIGN: /* Alignment exception */
1177 EXCP_DUMP(env, "Unaligned memory access\n");
1178 /* XXX: check this */
1179 info.si_signo = TARGET_SIGBUS;
1181 info.si_code = TARGET_BUS_ADRALN;
1182 info._sifields._sigfault._addr = env->nip - 4;
1183 queue_signal(env, info.si_signo, &info);
1185 case POWERPC_EXCP_PROGRAM: /* Program exception */
1186 /* XXX: check this */
1187 switch (env->error_code & ~0xF) {
1188 case POWERPC_EXCP_FP:
1189 EXCP_DUMP(env, "Floating point program exception\n");
1190 info.si_signo = TARGET_SIGFPE;
1192 switch (env->error_code & 0xF) {
1193 case POWERPC_EXCP_FP_OX:
1194 info.si_code = TARGET_FPE_FLTOVF;
1196 case POWERPC_EXCP_FP_UX:
1197 info.si_code = TARGET_FPE_FLTUND;
1199 case POWERPC_EXCP_FP_ZX:
1200 case POWERPC_EXCP_FP_VXZDZ:
1201 info.si_code = TARGET_FPE_FLTDIV;
1203 case POWERPC_EXCP_FP_XX:
1204 info.si_code = TARGET_FPE_FLTRES;
1206 case POWERPC_EXCP_FP_VXSOFT:
1207 info.si_code = TARGET_FPE_FLTINV;
1209 case POWERPC_EXCP_FP_VXSNAN:
1210 case POWERPC_EXCP_FP_VXISI:
1211 case POWERPC_EXCP_FP_VXIDI:
1212 case POWERPC_EXCP_FP_VXIMZ:
1213 case POWERPC_EXCP_FP_VXVC:
1214 case POWERPC_EXCP_FP_VXSQRT:
1215 case POWERPC_EXCP_FP_VXCVI:
1216 info.si_code = TARGET_FPE_FLTSUB;
1219 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
1224 case POWERPC_EXCP_INVAL:
1225 EXCP_DUMP(env, "Invalid instruction\n");
1226 info.si_signo = TARGET_SIGILL;
1228 switch (env->error_code & 0xF) {
1229 case POWERPC_EXCP_INVAL_INVAL:
1230 info.si_code = TARGET_ILL_ILLOPC;
1232 case POWERPC_EXCP_INVAL_LSWX:
1233 info.si_code = TARGET_ILL_ILLOPN;
1235 case POWERPC_EXCP_INVAL_SPR:
1236 info.si_code = TARGET_ILL_PRVREG;
1238 case POWERPC_EXCP_INVAL_FP:
1239 info.si_code = TARGET_ILL_COPROC;
1242 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
1243 env->error_code & 0xF);
1244 info.si_code = TARGET_ILL_ILLADR;
1248 case POWERPC_EXCP_PRIV:
1249 EXCP_DUMP(env, "Privilege violation\n");
1250 info.si_signo = TARGET_SIGILL;
1252 switch (env->error_code & 0xF) {
1253 case POWERPC_EXCP_PRIV_OPC:
1254 info.si_code = TARGET_ILL_PRVOPC;
1256 case POWERPC_EXCP_PRIV_REG:
1257 info.si_code = TARGET_ILL_PRVREG;
1260 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
1261 env->error_code & 0xF);
1262 info.si_code = TARGET_ILL_PRVOPC;
1266 case POWERPC_EXCP_TRAP:
1267 cpu_abort(env, "Tried to call a TRAP\n");
1270 /* Should not happen ! */
1271 cpu_abort(env, "Unknown program exception (%02x)\n",
1275 info._sifields._sigfault._addr = env->nip - 4;
1276 queue_signal(env, info.si_signo, &info);
1278 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
1279 EXCP_DUMP(env, "No floating point allowed\n");
1280 info.si_signo = TARGET_SIGILL;
1282 info.si_code = TARGET_ILL_COPROC;
1283 info._sifields._sigfault._addr = env->nip - 4;
1284 queue_signal(env, info.si_signo, &info);
1286 case POWERPC_EXCP_SYSCALL: /* System call exception */
1287 cpu_abort(env, "Syscall exception while in user mode. "
1290 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
1291 EXCP_DUMP(env, "No APU instruction allowed\n");
1292 info.si_signo = TARGET_SIGILL;
1294 info.si_code = TARGET_ILL_COPROC;
1295 info._sifields._sigfault._addr = env->nip - 4;
1296 queue_signal(env, info.si_signo, &info);
1298 case POWERPC_EXCP_DECR: /* Decrementer exception */
1299 cpu_abort(env, "Decrementer interrupt while in user mode. "
1302 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
1303 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
1306 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
1307 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
1310 case POWERPC_EXCP_DTLB: /* Data TLB error */
1311 cpu_abort(env, "Data TLB exception while in user mode. "
1314 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
1315 cpu_abort(env, "Instruction TLB exception while in user mode. "
1318 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
1319 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
1320 info.si_signo = TARGET_SIGILL;
1322 info.si_code = TARGET_ILL_COPROC;
1323 info._sifields._sigfault._addr = env->nip - 4;
1324 queue_signal(env, info.si_signo, &info);
1326 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
1327 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
1329 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
1330 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
1332 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
1333 cpu_abort(env, "Performance monitor exception not handled\n");
1335 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
1336 cpu_abort(env, "Doorbell interrupt while in user mode. "
1339 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1340 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1343 case POWERPC_EXCP_RESET: /* System reset exception */
1344 cpu_abort(env, "Reset interrupt while in user mode. "
1347 case POWERPC_EXCP_DSEG: /* Data segment exception */
1348 cpu_abort(env, "Data segment exception while in user mode. "
1351 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1352 cpu_abort(env, "Instruction segment exception "
1353 "while in user mode. Aborting\n");
1355 /* PowerPC 64 with hypervisor mode support */
1356 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1357 cpu_abort(env, "Hypervisor decrementer interrupt "
1358 "while in user mode. Aborting\n");
1360 case POWERPC_EXCP_TRACE: /* Trace exception */
1362 * we use this exception to emulate step-by-step execution mode.
1365 /* PowerPC 64 with hypervisor mode support */
1366 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1367 cpu_abort(env, "Hypervisor data storage exception "
1368 "while in user mode. Aborting\n");
1370 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1371 cpu_abort(env, "Hypervisor instruction storage exception "
1372 "while in user mode. Aborting\n");
1374 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1375 cpu_abort(env, "Hypervisor data segment exception "
1376 "while in user mode. Aborting\n");
1378 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1379 cpu_abort(env, "Hypervisor instruction segment exception "
1380 "while in user mode. Aborting\n");
1382 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1383 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1384 info.si_signo = TARGET_SIGILL;
1386 info.si_code = TARGET_ILL_COPROC;
1387 info._sifields._sigfault._addr = env->nip - 4;
1388 queue_signal(env, info.si_signo, &info);
1390 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1391 cpu_abort(env, "Programable interval timer interrupt "
1392 "while in user mode. Aborting\n");
1394 case POWERPC_EXCP_IO: /* IO error exception */
1395 cpu_abort(env, "IO error exception while in user mode. "
1398 case POWERPC_EXCP_RUNM: /* Run mode exception */
1399 cpu_abort(env, "Run mode exception while in user mode. "
1402 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1403 cpu_abort(env, "Emulation trap exception not handled\n");
1405 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1406 cpu_abort(env, "Instruction fetch TLB exception "
1407 "while in user-mode. Aborting");
1409 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1410 cpu_abort(env, "Data load TLB exception while in user-mode. "
1413 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1414 cpu_abort(env, "Data store TLB exception while in user-mode. "
1417 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1418 cpu_abort(env, "Floating-point assist exception not handled\n");
1420 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1421 cpu_abort(env, "Instruction address breakpoint exception "
1424 case POWERPC_EXCP_SMI: /* System management interrupt */
1425 cpu_abort(env, "System management interrupt while in user mode. "
1428 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1429 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1432 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1433 cpu_abort(env, "Performance monitor exception not handled\n");
1435 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1436 cpu_abort(env, "Vector assist exception not handled\n");
1438 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1439 cpu_abort(env, "Soft patch exception not handled\n");
1441 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1442 cpu_abort(env, "Maintenance exception while in user mode. "
1445 case POWERPC_EXCP_STOP: /* stop translation */
1446 /* We did invalidate the instruction cache. Go on */
1448 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1449 /* We just stopped because of a branch. Go on */
1451 case POWERPC_EXCP_SYSCALL_USER:
1452 /* system call in user-mode emulation */
1454 * PPC ABI uses overflow flag in cr0 to signal an error
1458 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1459 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1461 env->crf[0] &= ~0x1;
1462 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1463 env->gpr[5], env->gpr[6], env->gpr[7],
1465 if (ret > (uint32_t)(-515)) {
1471 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1478 sig = gdb_handlesig(env, TARGET_SIGTRAP);
1480 info.si_signo = sig;
1482 info.si_code = TARGET_TRAP_BRKPT;
1483 queue_signal(env, info.si_signo, &info);
1487 case EXCP_INTERRUPT:
1488 /* just indicate that signals should be handled asap */
1491 cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1494 process_pending_signals(env);
1501 #define MIPS_SYS(name, args) args,
1503 static const uint8_t mips_syscall_args[] = {
1504 MIPS_SYS(sys_syscall , 0) /* 4000 */
1505 MIPS_SYS(sys_exit , 1)
1506 MIPS_SYS(sys_fork , 0)
1507 MIPS_SYS(sys_read , 3)
1508 MIPS_SYS(sys_write , 3)
1509 MIPS_SYS(sys_open , 3) /* 4005 */
1510 MIPS_SYS(sys_close , 1)
1511 MIPS_SYS(sys_waitpid , 3)
1512 MIPS_SYS(sys_creat , 2)
1513 MIPS_SYS(sys_link , 2)
1514 MIPS_SYS(sys_unlink , 1) /* 4010 */
1515 MIPS_SYS(sys_execve , 0)
1516 MIPS_SYS(sys_chdir , 1)
1517 MIPS_SYS(sys_time , 1)
1518 MIPS_SYS(sys_mknod , 3)
1519 MIPS_SYS(sys_chmod , 2) /* 4015 */
1520 MIPS_SYS(sys_lchown , 3)
1521 MIPS_SYS(sys_ni_syscall , 0)
1522 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1523 MIPS_SYS(sys_lseek , 3)
1524 MIPS_SYS(sys_getpid , 0) /* 4020 */
1525 MIPS_SYS(sys_mount , 5)
1526 MIPS_SYS(sys_oldumount , 1)
1527 MIPS_SYS(sys_setuid , 1)
1528 MIPS_SYS(sys_getuid , 0)
1529 MIPS_SYS(sys_stime , 1) /* 4025 */
1530 MIPS_SYS(sys_ptrace , 4)
1531 MIPS_SYS(sys_alarm , 1)
1532 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1533 MIPS_SYS(sys_pause , 0)
1534 MIPS_SYS(sys_utime , 2) /* 4030 */
1535 MIPS_SYS(sys_ni_syscall , 0)
1536 MIPS_SYS(sys_ni_syscall , 0)
1537 MIPS_SYS(sys_access , 2)
1538 MIPS_SYS(sys_nice , 1)
1539 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1540 MIPS_SYS(sys_sync , 0)
1541 MIPS_SYS(sys_kill , 2)
1542 MIPS_SYS(sys_rename , 2)
1543 MIPS_SYS(sys_mkdir , 2)
1544 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1545 MIPS_SYS(sys_dup , 1)
1546 MIPS_SYS(sys_pipe , 0)
1547 MIPS_SYS(sys_times , 1)
1548 MIPS_SYS(sys_ni_syscall , 0)
1549 MIPS_SYS(sys_brk , 1) /* 4045 */
1550 MIPS_SYS(sys_setgid , 1)
1551 MIPS_SYS(sys_getgid , 0)
1552 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1553 MIPS_SYS(sys_geteuid , 0)
1554 MIPS_SYS(sys_getegid , 0) /* 4050 */
1555 MIPS_SYS(sys_acct , 0)
1556 MIPS_SYS(sys_umount , 2)
1557 MIPS_SYS(sys_ni_syscall , 0)
1558 MIPS_SYS(sys_ioctl , 3)
1559 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1560 MIPS_SYS(sys_ni_syscall , 2)
1561 MIPS_SYS(sys_setpgid , 2)
1562 MIPS_SYS(sys_ni_syscall , 0)
1563 MIPS_SYS(sys_olduname , 1)
1564 MIPS_SYS(sys_umask , 1) /* 4060 */
1565 MIPS_SYS(sys_chroot , 1)
1566 MIPS_SYS(sys_ustat , 2)
1567 MIPS_SYS(sys_dup2 , 2)
1568 MIPS_SYS(sys_getppid , 0)
1569 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1570 MIPS_SYS(sys_setsid , 0)
1571 MIPS_SYS(sys_sigaction , 3)
1572 MIPS_SYS(sys_sgetmask , 0)
1573 MIPS_SYS(sys_ssetmask , 1)
1574 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1575 MIPS_SYS(sys_setregid , 2)
1576 MIPS_SYS(sys_sigsuspend , 0)
1577 MIPS_SYS(sys_sigpending , 1)
1578 MIPS_SYS(sys_sethostname , 2)
1579 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1580 MIPS_SYS(sys_getrlimit , 2)
1581 MIPS_SYS(sys_getrusage , 2)
1582 MIPS_SYS(sys_gettimeofday, 2)
1583 MIPS_SYS(sys_settimeofday, 2)
1584 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1585 MIPS_SYS(sys_setgroups , 2)
1586 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1587 MIPS_SYS(sys_symlink , 2)
1588 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1589 MIPS_SYS(sys_readlink , 3) /* 4085 */
1590 MIPS_SYS(sys_uselib , 1)
1591 MIPS_SYS(sys_swapon , 2)
1592 MIPS_SYS(sys_reboot , 3)
1593 MIPS_SYS(old_readdir , 3)
1594 MIPS_SYS(old_mmap , 6) /* 4090 */
1595 MIPS_SYS(sys_munmap , 2)
1596 MIPS_SYS(sys_truncate , 2)
1597 MIPS_SYS(sys_ftruncate , 2)
1598 MIPS_SYS(sys_fchmod , 2)
1599 MIPS_SYS(sys_fchown , 3) /* 4095 */
1600 MIPS_SYS(sys_getpriority , 2)
1601 MIPS_SYS(sys_setpriority , 3)
1602 MIPS_SYS(sys_ni_syscall , 0)
1603 MIPS_SYS(sys_statfs , 2)
1604 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1605 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1606 MIPS_SYS(sys_socketcall , 2)
1607 MIPS_SYS(sys_syslog , 3)
1608 MIPS_SYS(sys_setitimer , 3)
1609 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1610 MIPS_SYS(sys_newstat , 2)
1611 MIPS_SYS(sys_newlstat , 2)
1612 MIPS_SYS(sys_newfstat , 2)
1613 MIPS_SYS(sys_uname , 1)
1614 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1615 MIPS_SYS(sys_vhangup , 0)
1616 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1617 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1618 MIPS_SYS(sys_wait4 , 4)
1619 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1620 MIPS_SYS(sys_sysinfo , 1)
1621 MIPS_SYS(sys_ipc , 6)
1622 MIPS_SYS(sys_fsync , 1)
1623 MIPS_SYS(sys_sigreturn , 0)
1624 MIPS_SYS(sys_clone , 0) /* 4120 */
1625 MIPS_SYS(sys_setdomainname, 2)
1626 MIPS_SYS(sys_newuname , 1)
1627 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1628 MIPS_SYS(sys_adjtimex , 1)
1629 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1630 MIPS_SYS(sys_sigprocmask , 3)
1631 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1632 MIPS_SYS(sys_init_module , 5)
1633 MIPS_SYS(sys_delete_module, 1)
1634 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1635 MIPS_SYS(sys_quotactl , 0)
1636 MIPS_SYS(sys_getpgid , 1)
1637 MIPS_SYS(sys_fchdir , 1)
1638 MIPS_SYS(sys_bdflush , 2)
1639 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1640 MIPS_SYS(sys_personality , 1)
1641 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1642 MIPS_SYS(sys_setfsuid , 1)
1643 MIPS_SYS(sys_setfsgid , 1)
1644 MIPS_SYS(sys_llseek , 5) /* 4140 */
1645 MIPS_SYS(sys_getdents , 3)
1646 MIPS_SYS(sys_select , 5)
1647 MIPS_SYS(sys_flock , 2)
1648 MIPS_SYS(sys_msync , 3)
1649 MIPS_SYS(sys_readv , 3) /* 4145 */
1650 MIPS_SYS(sys_writev , 3)
1651 MIPS_SYS(sys_cacheflush , 3)
1652 MIPS_SYS(sys_cachectl , 3)
1653 MIPS_SYS(sys_sysmips , 4)
1654 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1655 MIPS_SYS(sys_getsid , 1)
1656 MIPS_SYS(sys_fdatasync , 0)
1657 MIPS_SYS(sys_sysctl , 1)
1658 MIPS_SYS(sys_mlock , 2)
1659 MIPS_SYS(sys_munlock , 2) /* 4155 */
1660 MIPS_SYS(sys_mlockall , 1)
1661 MIPS_SYS(sys_munlockall , 0)
1662 MIPS_SYS(sys_sched_setparam, 2)
1663 MIPS_SYS(sys_sched_getparam, 2)
1664 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1665 MIPS_SYS(sys_sched_getscheduler, 1)
1666 MIPS_SYS(sys_sched_yield , 0)
1667 MIPS_SYS(sys_sched_get_priority_max, 1)
1668 MIPS_SYS(sys_sched_get_priority_min, 1)
1669 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1670 MIPS_SYS(sys_nanosleep, 2)
1671 MIPS_SYS(sys_mremap , 4)
1672 MIPS_SYS(sys_accept , 3)
1673 MIPS_SYS(sys_bind , 3)
1674 MIPS_SYS(sys_connect , 3) /* 4170 */
1675 MIPS_SYS(sys_getpeername , 3)
1676 MIPS_SYS(sys_getsockname , 3)
1677 MIPS_SYS(sys_getsockopt , 5)
1678 MIPS_SYS(sys_listen , 2)
1679 MIPS_SYS(sys_recv , 4) /* 4175 */
1680 MIPS_SYS(sys_recvfrom , 6)
1681 MIPS_SYS(sys_recvmsg , 3)
1682 MIPS_SYS(sys_send , 4)
1683 MIPS_SYS(sys_sendmsg , 3)
1684 MIPS_SYS(sys_sendto , 6) /* 4180 */
1685 MIPS_SYS(sys_setsockopt , 5)
1686 MIPS_SYS(sys_shutdown , 2)
1687 MIPS_SYS(sys_socket , 3)
1688 MIPS_SYS(sys_socketpair , 4)
1689 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1690 MIPS_SYS(sys_getresuid , 3)
1691 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1692 MIPS_SYS(sys_poll , 3)
1693 MIPS_SYS(sys_nfsservctl , 3)
1694 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1695 MIPS_SYS(sys_getresgid , 3)
1696 MIPS_SYS(sys_prctl , 5)
1697 MIPS_SYS(sys_rt_sigreturn, 0)
1698 MIPS_SYS(sys_rt_sigaction, 4)
1699 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1700 MIPS_SYS(sys_rt_sigpending, 2)
1701 MIPS_SYS(sys_rt_sigtimedwait, 4)
1702 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1703 MIPS_SYS(sys_rt_sigsuspend, 0)
1704 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1705 MIPS_SYS(sys_pwrite64 , 6)
1706 MIPS_SYS(sys_chown , 3)
1707 MIPS_SYS(sys_getcwd , 2)
1708 MIPS_SYS(sys_capget , 2)
1709 MIPS_SYS(sys_capset , 2) /* 4205 */
1710 MIPS_SYS(sys_sigaltstack , 0)
1711 MIPS_SYS(sys_sendfile , 4)
1712 MIPS_SYS(sys_ni_syscall , 0)
1713 MIPS_SYS(sys_ni_syscall , 0)
1714 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1715 MIPS_SYS(sys_truncate64 , 4)
1716 MIPS_SYS(sys_ftruncate64 , 4)
1717 MIPS_SYS(sys_stat64 , 2)
1718 MIPS_SYS(sys_lstat64 , 2)
1719 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1720 MIPS_SYS(sys_pivot_root , 2)
1721 MIPS_SYS(sys_mincore , 3)
1722 MIPS_SYS(sys_madvise , 3)
1723 MIPS_SYS(sys_getdents64 , 3)
1724 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1725 MIPS_SYS(sys_ni_syscall , 0)
1726 MIPS_SYS(sys_gettid , 0)
1727 MIPS_SYS(sys_readahead , 5)
1728 MIPS_SYS(sys_setxattr , 5)
1729 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1730 MIPS_SYS(sys_fsetxattr , 5)
1731 MIPS_SYS(sys_getxattr , 4)
1732 MIPS_SYS(sys_lgetxattr , 4)
1733 MIPS_SYS(sys_fgetxattr , 4)
1734 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1735 MIPS_SYS(sys_llistxattr , 3)
1736 MIPS_SYS(sys_flistxattr , 3)
1737 MIPS_SYS(sys_removexattr , 2)
1738 MIPS_SYS(sys_lremovexattr, 2)
1739 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1740 MIPS_SYS(sys_tkill , 2)
1741 MIPS_SYS(sys_sendfile64 , 5)
1742 MIPS_SYS(sys_futex , 2)
1743 MIPS_SYS(sys_sched_setaffinity, 3)
1744 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1745 MIPS_SYS(sys_io_setup , 2)
1746 MIPS_SYS(sys_io_destroy , 1)
1747 MIPS_SYS(sys_io_getevents, 5)
1748 MIPS_SYS(sys_io_submit , 3)
1749 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1750 MIPS_SYS(sys_exit_group , 1)
1751 MIPS_SYS(sys_lookup_dcookie, 3)
1752 MIPS_SYS(sys_epoll_create, 1)
1753 MIPS_SYS(sys_epoll_ctl , 4)
1754 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1755 MIPS_SYS(sys_remap_file_pages, 5)
1756 MIPS_SYS(sys_set_tid_address, 1)
1757 MIPS_SYS(sys_restart_syscall, 0)
1758 MIPS_SYS(sys_fadvise64_64, 7)
1759 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1760 MIPS_SYS(sys_fstatfs64 , 2)
1761 MIPS_SYS(sys_timer_create, 3)
1762 MIPS_SYS(sys_timer_settime, 4)
1763 MIPS_SYS(sys_timer_gettime, 2)
1764 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1765 MIPS_SYS(sys_timer_delete, 1)
1766 MIPS_SYS(sys_clock_settime, 2)
1767 MIPS_SYS(sys_clock_gettime, 2)
1768 MIPS_SYS(sys_clock_getres, 2)
1769 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1770 MIPS_SYS(sys_tgkill , 3)
1771 MIPS_SYS(sys_utimes , 2)
1772 MIPS_SYS(sys_mbind , 4)
1773 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1774 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1775 MIPS_SYS(sys_mq_open , 4)
1776 MIPS_SYS(sys_mq_unlink , 1)
1777 MIPS_SYS(sys_mq_timedsend, 5)
1778 MIPS_SYS(sys_mq_timedreceive, 5)
1779 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1780 MIPS_SYS(sys_mq_getsetattr, 3)
1781 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1782 MIPS_SYS(sys_waitid , 4)
1783 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1784 MIPS_SYS(sys_add_key , 5)
1785 MIPS_SYS(sys_request_key, 4)
1786 MIPS_SYS(sys_keyctl , 5)
1787 MIPS_SYS(sys_set_thread_area, 1)
1788 MIPS_SYS(sys_inotify_init, 0)
1789 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1790 MIPS_SYS(sys_inotify_rm_watch, 2)
1791 MIPS_SYS(sys_migrate_pages, 4)
1792 MIPS_SYS(sys_openat, 4)
1793 MIPS_SYS(sys_mkdirat, 3)
1794 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1795 MIPS_SYS(sys_fchownat, 5)
1796 MIPS_SYS(sys_futimesat, 3)
1797 MIPS_SYS(sys_fstatat64, 4)
1798 MIPS_SYS(sys_unlinkat, 3)
1799 MIPS_SYS(sys_renameat, 4) /* 4295 */
1800 MIPS_SYS(sys_linkat, 5)
1801 MIPS_SYS(sys_symlinkat, 3)
1802 MIPS_SYS(sys_readlinkat, 4)
1803 MIPS_SYS(sys_fchmodat, 3)
1804 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1805 MIPS_SYS(sys_pselect6, 6)
1806 MIPS_SYS(sys_ppoll, 5)
1807 MIPS_SYS(sys_unshare, 1)
1808 MIPS_SYS(sys_splice, 4)
1809 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1810 MIPS_SYS(sys_tee, 4)
1811 MIPS_SYS(sys_vmsplice, 4)
1812 MIPS_SYS(sys_move_pages, 6)
1813 MIPS_SYS(sys_set_robust_list, 2)
1814 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1815 MIPS_SYS(sys_kexec_load, 4)
1816 MIPS_SYS(sys_getcpu, 3)
1817 MIPS_SYS(sys_epoll_pwait, 6)
1818 MIPS_SYS(sys_ioprio_set, 3)
1819 MIPS_SYS(sys_ioprio_get, 2)
1824 void cpu_loop(CPUMIPSState *env)
1826 target_siginfo_t info;
1828 unsigned int syscall_num;
1831 trapnr = cpu_mips_exec(env);
1834 syscall_num = env->active_tc.gpr[2] - 4000;
1835 env->active_tc.PC += 4;
1836 if (syscall_num >= sizeof(mips_syscall_args)) {
1841 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1843 nb_args = mips_syscall_args[syscall_num];
1844 sp_reg = env->active_tc.gpr[29];
1846 /* these arguments are taken from the stack */
1847 /* FIXME - what to do if get_user() fails? */
1848 case 8: get_user_ual(arg8, sp_reg + 28);
1849 case 7: get_user_ual(arg7, sp_reg + 24);
1850 case 6: get_user_ual(arg6, sp_reg + 20);
1851 case 5: get_user_ual(arg5, sp_reg + 16);
1855 ret = do_syscall(env, env->active_tc.gpr[2],
1856 env->active_tc.gpr[4],
1857 env->active_tc.gpr[5],
1858 env->active_tc.gpr[6],
1859 env->active_tc.gpr[7],
1860 arg5, arg6/*, arg7, arg8*/);
1862 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1863 env->active_tc.gpr[7] = 1; /* error flag */
1866 env->active_tc.gpr[7] = 0; /* error flag */
1868 env->active_tc.gpr[2] = ret;
1874 info.si_signo = TARGET_SIGILL;
1877 queue_signal(env, info.si_signo, &info);
1879 case EXCP_INTERRUPT:
1880 /* just indicate that signals should be handled asap */
1886 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1889 info.si_signo = sig;
1891 info.si_code = TARGET_TRAP_BRKPT;
1892 queue_signal(env, info.si_signo, &info);
1898 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1900 cpu_dump_state(env, stderr, fprintf, 0);
1903 process_pending_signals(env);
1909 void cpu_loop (CPUState *env)
1912 target_siginfo_t info;
1915 trapnr = cpu_sh4_exec (env);
1920 ret = do_syscall(env,
1928 env->gregs[0] = ret;
1930 case EXCP_INTERRUPT:
1931 /* just indicate that signals should be handled asap */
1937 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1940 info.si_signo = sig;
1942 info.si_code = TARGET_TRAP_BRKPT;
1943 queue_signal(env, info.si_signo, &info);
1949 info.si_signo = SIGSEGV;
1951 info.si_code = TARGET_SEGV_MAPERR;
1952 info._sifields._sigfault._addr = env->tea;
1953 queue_signal(env, info.si_signo, &info);
1957 printf ("Unhandled trap: 0x%x\n", trapnr);
1958 cpu_dump_state(env, stderr, fprintf, 0);
1961 process_pending_signals (env);
1967 void cpu_loop (CPUState *env)
1970 target_siginfo_t info;
1973 trapnr = cpu_cris_exec (env);
1977 info.si_signo = SIGSEGV;
1979 /* XXX: check env->error_code */
1980 info.si_code = TARGET_SEGV_MAPERR;
1981 info._sifields._sigfault._addr = env->pregs[PR_EDA];
1982 queue_signal(env, info.si_signo, &info);
1985 case EXCP_INTERRUPT:
1986 /* just indicate that signals should be handled asap */
1989 ret = do_syscall(env,
1997 env->regs[10] = ret;
2003 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2006 info.si_signo = sig;
2008 info.si_code = TARGET_TRAP_BRKPT;
2009 queue_signal(env, info.si_signo, &info);
2014 printf ("Unhandled trap: 0x%x\n", trapnr);
2015 cpu_dump_state(env, stderr, fprintf, 0);
2018 process_pending_signals (env);
2025 void cpu_loop(CPUM68KState *env)
2029 target_siginfo_t info;
2030 TaskState *ts = env->opaque;
2033 trapnr = cpu_m68k_exec(env);
2037 if (ts->sim_syscalls) {
2039 nr = lduw(env->pc + 2);
2041 do_m68k_simcall(env, nr);
2047 case EXCP_HALT_INSN:
2048 /* Semihosing syscall. */
2050 do_m68k_semihosting(env, env->dregs[0]);
2054 case EXCP_UNSUPPORTED:
2056 info.si_signo = SIGILL;
2058 info.si_code = TARGET_ILL_ILLOPN;
2059 info._sifields._sigfault._addr = env->pc;
2060 queue_signal(env, info.si_signo, &info);
2064 ts->sim_syscalls = 0;
2067 env->dregs[0] = do_syscall(env,
2077 case EXCP_INTERRUPT:
2078 /* just indicate that signals should be handled asap */
2082 info.si_signo = SIGSEGV;
2084 /* XXX: check env->error_code */
2085 info.si_code = TARGET_SEGV_MAPERR;
2086 info._sifields._sigfault._addr = env->mmu.ar;
2087 queue_signal(env, info.si_signo, &info);
2094 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2097 info.si_signo = sig;
2099 info.si_code = TARGET_TRAP_BRKPT;
2100 queue_signal(env, info.si_signo, &info);
2105 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
2107 cpu_dump_state(env, stderr, fprintf, 0);
2110 process_pending_signals(env);
2113 #endif /* TARGET_M68K */
2116 void cpu_loop (CPUState *env)
2119 target_siginfo_t info;
2122 trapnr = cpu_alpha_exec (env);
2126 fprintf(stderr, "Reset requested. Exit\n");
2130 fprintf(stderr, "Machine check exception. Exit\n");
2134 fprintf(stderr, "Arithmetic trap.\n");
2137 case EXCP_HW_INTERRUPT:
2138 fprintf(stderr, "External interrupt. Exit\n");
2142 fprintf(stderr, "MMU data fault\n");
2145 case EXCP_DTB_MISS_PAL:
2146 fprintf(stderr, "MMU data TLB miss in PALcode\n");
2150 fprintf(stderr, "MMU instruction TLB miss\n");
2154 fprintf(stderr, "MMU instruction access violation\n");
2157 case EXCP_DTB_MISS_NATIVE:
2158 fprintf(stderr, "MMU data TLB miss\n");
2162 fprintf(stderr, "Unaligned access\n");
2166 fprintf(stderr, "Invalid instruction\n");
2170 fprintf(stderr, "Floating-point not allowed\n");
2173 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
2174 call_pal(env, (trapnr >> 6) | 0x80);
2176 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
2177 fprintf(stderr, "Privileged call to PALcode\n");
2184 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2187 info.si_signo = sig;
2189 info.si_code = TARGET_TRAP_BRKPT;
2190 queue_signal(env, info.si_signo, &info);
2195 printf ("Unhandled trap: 0x%x\n", trapnr);
2196 cpu_dump_state(env, stderr, fprintf, 0);
2199 process_pending_signals (env);
2202 #endif /* TARGET_ALPHA */
2204 static void usage(void)
2206 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
2207 "usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n"
2208 "Linux CPU emulator (compiled for %s emulation)\n"
2210 "Standard options:\n"
2211 "-h print this help\n"
2212 "-g port wait gdb connection to port\n"
2213 "-L path set the elf interpreter prefix (default=%s)\n"
2214 "-s size set the stack size in bytes (default=%ld)\n"
2215 "-cpu model select CPU (-cpu ? for list)\n"
2216 "-drop-ld-preload drop LD_PRELOAD for target process\n"
2217 "-E var=value sets/modifies targets environment variable(s)\n"
2218 "-U var unsets targets environment variable(s)\n"
2219 "-0 argv0 forces target process argv[0] to be argv0\n"
2222 "-d options activate log (logfile=%s)\n"
2223 "-p pagesize set the host page size to 'pagesize'\n"
2224 "-singlestep always run in singlestep mode\n"
2225 "-strace log system calls\n"
2227 "Environment variables:\n"
2228 "QEMU_STRACE Print system calls and arguments similar to the\n"
2229 " 'strace' program. Enable by setting to any value.\n"
2230 "You can use -E and -U options to set/unset environment variables\n"
2231 "for target process. It is possible to provide several variables\n"
2232 "by repeating the option. For example:\n"
2233 " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n"
2234 "Note that if you provide several changes to single variable\n"
2235 "last change will stay in effect.\n"
2244 THREAD CPUState *thread_env;
2246 void task_settid(TaskState *ts)
2248 if (ts->ts_tid == 0) {
2250 ts->ts_tid = (pid_t)syscall(SYS_gettid);
2252 /* when no threads are used, tid becomes pid */
2253 ts->ts_tid = getpid();
2258 void stop_all_tasks(void)
2261 * We trust that when using NPTL, start_exclusive()
2262 * handles thread stopping correctly.
2267 /* Assumes contents are already zeroed. */
2268 void init_task_state(TaskState *ts)
2273 ts->first_free = ts->sigqueue_table;
2274 for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) {
2275 ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1];
2277 ts->sigqueue_table[i].next = NULL;
2280 int main(int argc, char **argv, char **envp)
2282 const char *filename;
2283 const char *cpu_model;
2284 struct target_pt_regs regs1, *regs = ®s1;
2285 struct image_info info1, *info = &info1;
2286 struct linux_binprm bprm;
2287 TaskState ts1, *ts = &ts1;
2291 int gdbstub_port = 0;
2292 char **target_environ, **wrk;
2295 envlist_t *envlist = NULL;
2296 const char *argv0 = NULL;
2302 qemu_cache_utils_init(envp);
2305 cpu_set_log_filename(DEBUG_LOGFILE);
2307 if ((envlist = envlist_create()) == NULL) {
2308 (void) fprintf(stderr, "Unable to allocate envlist\n");
2312 /* add current environment into the list */
2313 for (wrk = environ; *wrk != NULL; wrk++) {
2314 (void) envlist_setenv(envlist, *wrk);
2327 if (!strcmp(r, "-")) {
2329 } else if (!strcmp(r, "d")) {
2331 const CPULogItem *item;
2337 mask = cpu_str_to_log_mask(r);
2339 printf("Log items (comma separated):\n");
2340 for(item = cpu_log_items; item->mask != 0; item++) {
2341 printf("%-10s %s\n", item->name, item->help);
2346 } else if (!strcmp(r, "E")) {
2348 if (envlist_setenv(envlist, r) != 0)
2350 } else if (!strcmp(r, "U")) {
2352 if (envlist_unsetenv(envlist, r) != 0)
2354 } else if (!strcmp(r, "0")) {
2357 } else if (!strcmp(r, "s")) {
2361 x86_stack_size = strtol(r, (char **)&r, 0);
2362 if (x86_stack_size <= 0)
2365 x86_stack_size *= 1024 * 1024;
2366 else if (*r == 'k' || *r == 'K')
2367 x86_stack_size *= 1024;
2368 } else if (!strcmp(r, "L")) {
2369 interp_prefix = argv[optind++];
2370 } else if (!strcmp(r, "p")) {
2373 qemu_host_page_size = atoi(argv[optind++]);
2374 if (qemu_host_page_size == 0 ||
2375 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
2376 fprintf(stderr, "page size must be a power of two\n");
2379 } else if (!strcmp(r, "g")) {
2382 gdbstub_port = atoi(argv[optind++]);
2383 } else if (!strcmp(r, "r")) {
2384 qemu_uname_release = argv[optind++];
2385 } else if (!strcmp(r, "cpu")) {
2386 cpu_model = argv[optind++];
2387 if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) {
2388 /* XXX: implement xxx_cpu_list for targets that still miss it */
2389 #if defined(cpu_list)
2390 cpu_list(stdout, &fprintf);
2394 } else if (!strcmp(r, "drop-ld-preload")) {
2395 (void) envlist_unsetenv(envlist, "LD_PRELOAD");
2396 } else if (!strcmp(r, "singlestep")) {
2398 } else if (!strcmp(r, "strace")) {
2407 filename = argv[optind];
2408 exec_path = argv[optind];
2411 memset(regs, 0, sizeof(struct target_pt_regs));
2413 /* Zero out image_info */
2414 memset(info, 0, sizeof(struct image_info));
2416 memset(&bprm, 0, sizeof (bprm));
2418 /* Scan interp_prefix dir for replacement files. */
2419 init_paths(interp_prefix);
2421 if (cpu_model == NULL) {
2422 #if defined(TARGET_I386)
2423 #ifdef TARGET_X86_64
2424 cpu_model = "qemu64";
2426 cpu_model = "qemu32";
2428 #elif defined(TARGET_ARM)
2430 #elif defined(TARGET_M68K)
2432 #elif defined(TARGET_SPARC)
2433 #ifdef TARGET_SPARC64
2434 cpu_model = "TI UltraSparc II";
2436 cpu_model = "Fujitsu MB86904";
2438 #elif defined(TARGET_MIPS)
2439 #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
2444 #elif defined(TARGET_PPC)
2454 cpu_exec_init_all(0);
2455 /* NOTE: we need to init the CPU at this stage to get
2456 qemu_host_page_size */
2457 env = cpu_init(cpu_model);
2459 fprintf(stderr, "Unable to find CPU definition\n");
2464 if (getenv("QEMU_STRACE")) {
2468 target_environ = envlist_to_environ(envlist, NULL);
2469 envlist_free(envlist);
2472 * Prepare copy of argv vector for target.
2474 target_argc = argc - optind;
2475 target_argv = calloc(target_argc + 1, sizeof (char *));
2476 if (target_argv == NULL) {
2477 (void) fprintf(stderr, "Unable to allocate memory for target_argv\n");
2482 * If argv0 is specified (using '-0' switch) we replace
2483 * argv[0] pointer with the given one.
2486 if (argv0 != NULL) {
2487 target_argv[i++] = strdup(argv0);
2489 for (; i < target_argc; i++) {
2490 target_argv[i] = strdup(argv[optind + i]);
2492 target_argv[target_argc] = NULL;
2494 memset(ts, 0, sizeof(TaskState));
2495 init_task_state(ts);
2496 /* build Task State */
2502 if (loader_exec(filename, target_argv, target_environ, regs,
2503 info, &bprm) != 0) {
2504 printf("Error loading %s\n", filename);
2508 for (i = 0; i < target_argc; i++) {
2509 free(target_argv[i]);
2513 for (wrk = target_environ; *wrk; wrk++) {
2517 free(target_environ);
2519 if (qemu_log_enabled()) {
2522 qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
2523 qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code);
2524 qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n",
2526 qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n",
2528 qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data);
2529 qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n",
2531 qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk);
2532 qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry);
2535 target_set_brk(info->brk);
2539 #if defined(TARGET_I386)
2540 cpu_x86_set_cpl(env, 3);
2542 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
2543 env->hflags |= HF_PE_MASK;
2544 if (env->cpuid_features & CPUID_SSE) {
2545 env->cr[4] |= CR4_OSFXSR_MASK;
2546 env->hflags |= HF_OSFXSR_MASK;
2548 #ifndef TARGET_ABI32
2549 /* enable 64 bit mode if possible */
2550 if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) {
2551 fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n");
2554 env->cr[4] |= CR4_PAE_MASK;
2555 env->efer |= MSR_EFER_LMA | MSR_EFER_LME;
2556 env->hflags |= HF_LMA_MASK;
2559 /* flags setup : we activate the IRQs by default as in user mode */
2560 env->eflags |= IF_MASK;
2562 /* linux register setup */
2563 #ifndef TARGET_ABI32
2564 env->regs[R_EAX] = regs->rax;
2565 env->regs[R_EBX] = regs->rbx;
2566 env->regs[R_ECX] = regs->rcx;
2567 env->regs[R_EDX] = regs->rdx;
2568 env->regs[R_ESI] = regs->rsi;
2569 env->regs[R_EDI] = regs->rdi;
2570 env->regs[R_EBP] = regs->rbp;
2571 env->regs[R_ESP] = regs->rsp;
2572 env->eip = regs->rip;
2574 env->regs[R_EAX] = regs->eax;
2575 env->regs[R_EBX] = regs->ebx;
2576 env->regs[R_ECX] = regs->ecx;
2577 env->regs[R_EDX] = regs->edx;
2578 env->regs[R_ESI] = regs->esi;
2579 env->regs[R_EDI] = regs->edi;
2580 env->regs[R_EBP] = regs->ebp;
2581 env->regs[R_ESP] = regs->esp;
2582 env->eip = regs->eip;
2585 /* linux interrupt setup */
2586 #ifndef TARGET_ABI32
2587 env->idt.limit = 511;
2589 env->idt.limit = 255;
2591 env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),
2592 PROT_READ|PROT_WRITE,
2593 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2594 idt_table = g2h(env->idt.base);
2617 /* linux segment setup */
2619 uint64_t *gdt_table;
2620 env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
2621 PROT_READ|PROT_WRITE,
2622 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2623 env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;
2624 gdt_table = g2h(env->gdt.base);
2626 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2627 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2628 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2630 /* 64 bit code segment */
2631 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2632 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2634 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2636 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
2637 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2638 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
2640 cpu_x86_load_seg(env, R_CS, __USER_CS);
2641 cpu_x86_load_seg(env, R_SS, __USER_DS);
2643 cpu_x86_load_seg(env, R_DS, __USER_DS);
2644 cpu_x86_load_seg(env, R_ES, __USER_DS);
2645 cpu_x86_load_seg(env, R_FS, __USER_DS);
2646 cpu_x86_load_seg(env, R_GS, __USER_DS);
2647 /* This hack makes Wine work... */
2648 env->segs[R_FS].selector = 0;
2650 cpu_x86_load_seg(env, R_DS, 0);
2651 cpu_x86_load_seg(env, R_ES, 0);
2652 cpu_x86_load_seg(env, R_FS, 0);
2653 cpu_x86_load_seg(env, R_GS, 0);
2655 #elif defined(TARGET_ARM)
2658 cpsr_write(env, regs->uregs[16], 0xffffffff);
2659 for(i = 0; i < 16; i++) {
2660 env->regs[i] = regs->uregs[i];
2663 #elif defined(TARGET_SPARC)
2667 env->npc = regs->npc;
2669 for(i = 0; i < 8; i++)
2670 env->gregs[i] = regs->u_regs[i];
2671 for(i = 0; i < 8; i++)
2672 env->regwptr[i] = regs->u_regs[i + 8];
2674 #elif defined(TARGET_PPC)
2678 #if defined(TARGET_PPC64)
2679 #if defined(TARGET_ABI32)
2680 env->msr &= ~((target_ulong)1 << MSR_SF);
2682 env->msr |= (target_ulong)1 << MSR_SF;
2685 env->nip = regs->nip;
2686 for(i = 0; i < 32; i++) {
2687 env->gpr[i] = regs->gpr[i];
2690 #elif defined(TARGET_M68K)
2693 env->dregs[0] = regs->d0;
2694 env->dregs[1] = regs->d1;
2695 env->dregs[2] = regs->d2;
2696 env->dregs[3] = regs->d3;
2697 env->dregs[4] = regs->d4;
2698 env->dregs[5] = regs->d5;
2699 env->dregs[6] = regs->d6;
2700 env->dregs[7] = regs->d7;
2701 env->aregs[0] = regs->a0;
2702 env->aregs[1] = regs->a1;
2703 env->aregs[2] = regs->a2;
2704 env->aregs[3] = regs->a3;
2705 env->aregs[4] = regs->a4;
2706 env->aregs[5] = regs->a5;
2707 env->aregs[6] = regs->a6;
2708 env->aregs[7] = regs->usp;
2710 ts->sim_syscalls = 1;
2712 #elif defined(TARGET_MIPS)
2716 for(i = 0; i < 32; i++) {
2717 env->active_tc.gpr[i] = regs->regs[i];
2719 env->active_tc.PC = regs->cp0_epc;
2721 #elif defined(TARGET_SH4)
2725 for(i = 0; i < 16; i++) {
2726 env->gregs[i] = regs->regs[i];
2730 #elif defined(TARGET_ALPHA)
2734 for(i = 0; i < 28; i++) {
2735 env->ir[i] = ((abi_ulong *)regs)[i];
2737 env->ipr[IPR_USP] = regs->usp;
2738 env->ir[30] = regs->usp;
2740 env->unique = regs->unique;
2742 #elif defined(TARGET_CRIS)
2744 env->regs[0] = regs->r0;
2745 env->regs[1] = regs->r1;
2746 env->regs[2] = regs->r2;
2747 env->regs[3] = regs->r3;
2748 env->regs[4] = regs->r4;
2749 env->regs[5] = regs->r5;
2750 env->regs[6] = regs->r6;
2751 env->regs[7] = regs->r7;
2752 env->regs[8] = regs->r8;
2753 env->regs[9] = regs->r9;
2754 env->regs[10] = regs->r10;
2755 env->regs[11] = regs->r11;
2756 env->regs[12] = regs->r12;
2757 env->regs[13] = regs->r13;
2758 env->regs[14] = info->start_stack;
2759 env->regs[15] = regs->acr;
2760 env->pc = regs->erp;
2763 #error unsupported target CPU
2766 #if defined(TARGET_ARM) || defined(TARGET_M68K)
2767 ts->stack_base = info->start_stack;
2768 ts->heap_base = info->brk;
2769 /* This will be filled in on the first SYS_HEAPINFO call. */
2774 gdbserver_start (gdbstub_port);
2775 gdb_handlesig(env, 0);