4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
30 #include "qemu-common.h"
31 #include "cache-utils.h"
38 #define DEBUG_LOGFILE "/tmp/qemu.log"
42 static const char *interp_prefix = CONFIG_QEMU_PREFIX;
43 const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
45 #if defined(__i386__) && !defined(CONFIG_STATIC)
46 /* Force usage of an ELF interpreter even if it is an ELF shared
48 const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
51 /* for recent libc, we add these dummy symbols which are not declared
52 when generating a linked object (bug in ld ?) */
53 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
54 asm(".globl __preinit_array_start\n"
55 ".globl __preinit_array_end\n"
56 ".globl __init_array_start\n"
57 ".globl __init_array_end\n"
58 ".globl __fini_array_start\n"
59 ".globl __fini_array_end\n"
60 ".section \".rodata\"\n"
61 "__preinit_array_start:\n"
62 "__preinit_array_end:\n"
63 "__init_array_start:\n"
65 "__fini_array_start:\n"
71 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
72 we allocate a bigger stack. Need a better solution, for example
73 by remapping the process stack directly at the right place */
74 unsigned long x86_stack_size = 512 * 1024;
76 void gemu_log(const char *fmt, ...)
81 vfprintf(stderr, fmt, ap);
85 void cpu_outb(CPUState *env, int addr, int val)
87 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
90 void cpu_outw(CPUState *env, int addr, int val)
92 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
95 void cpu_outl(CPUState *env, int addr, int val)
97 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
100 int cpu_inb(CPUState *env, int addr)
102 fprintf(stderr, "inb: port=0x%04x\n", addr);
106 int cpu_inw(CPUState *env, int addr)
108 fprintf(stderr, "inw: port=0x%04x\n", addr);
112 int cpu_inl(CPUState *env, int addr)
114 fprintf(stderr, "inl: port=0x%04x\n", addr);
118 #if defined(TARGET_I386)
119 int cpu_get_pic_interrupt(CPUState *env)
125 /* timers for rdtsc */
129 static uint64_t emu_time;
131 int64_t cpu_get_real_ticks(void)
138 #if defined(USE_NPTL)
139 /***********************************************************/
140 /* Helper routines for implementing atomic operations. */
142 /* To implement exclusive operations we force all cpus to syncronise.
143 We don't require a full sync, only that no cpus are executing guest code.
144 The alternative is to map target atomic ops onto host equivalents,
145 which requires quite a lot of per host/target work. */
146 static pthread_mutex_t cpu_list_mutex = PTHREAD_MUTEX_INITIALIZER;
147 static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER;
148 static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER;
149 static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER;
150 static int pending_cpus;
152 /* Make sure everything is in a consistent state for calling fork(). */
153 void fork_start(void)
156 pthread_mutex_lock(&tb_lock);
157 pthread_mutex_lock(&exclusive_lock);
160 void fork_end(int child)
163 /* Child processes created by fork() only have a single thread.
164 Discard information about the parent threads. */
165 first_cpu = thread_env;
166 thread_env->next_cpu = NULL;
168 pthread_mutex_init(&exclusive_lock, NULL);
169 pthread_mutex_init(&cpu_list_mutex, NULL);
170 pthread_cond_init(&exclusive_cond, NULL);
171 pthread_cond_init(&exclusive_resume, NULL);
172 pthread_mutex_init(&tb_lock, NULL);
173 gdbserver_fork(thread_env);
175 pthread_mutex_unlock(&exclusive_lock);
176 pthread_mutex_unlock(&tb_lock);
178 mmap_fork_end(child);
181 /* Wait for pending exclusive operations to complete. The exclusive lock
183 static inline void exclusive_idle(void)
185 while (pending_cpus) {
186 pthread_cond_wait(&exclusive_resume, &exclusive_lock);
190 /* Start an exclusive operation.
191 Must only be called from outside cpu_arm_exec. */
192 static inline void start_exclusive(void)
195 pthread_mutex_lock(&exclusive_lock);
199 /* Make all other cpus stop executing. */
200 for (other = first_cpu; other; other = other->next_cpu) {
201 if (other->running) {
206 if (pending_cpus > 1) {
207 pthread_cond_wait(&exclusive_cond, &exclusive_lock);
211 /* Finish an exclusive operation. */
212 static inline void end_exclusive(void)
215 pthread_cond_broadcast(&exclusive_resume);
216 pthread_mutex_unlock(&exclusive_lock);
219 /* Wait for exclusive ops to finish, and begin cpu execution. */
220 static inline void cpu_exec_start(CPUState *env)
222 pthread_mutex_lock(&exclusive_lock);
225 pthread_mutex_unlock(&exclusive_lock);
228 /* Mark cpu as not executing, and release pending exclusive ops. */
229 static inline void cpu_exec_end(CPUState *env)
231 pthread_mutex_lock(&exclusive_lock);
233 if (pending_cpus > 1) {
235 if (pending_cpus == 1) {
236 pthread_cond_signal(&exclusive_cond);
240 pthread_mutex_unlock(&exclusive_lock);
243 void cpu_list_lock(void)
245 pthread_mutex_lock(&cpu_list_mutex);
248 void cpu_list_unlock(void)
250 pthread_mutex_unlock(&cpu_list_mutex);
252 #else /* if !USE_NPTL */
253 /* These are no-ops because we are not threadsafe. */
254 static inline void cpu_exec_start(CPUState *env)
258 static inline void cpu_exec_end(CPUState *env)
262 static inline void start_exclusive(void)
266 static inline void end_exclusive(void)
270 void fork_start(void)
274 void fork_end(int child)
277 gdbserver_fork(thread_env);
281 void cpu_list_lock(void)
285 void cpu_list_unlock(void)
292 /***********************************************************/
293 /* CPUX86 core interface */
295 void cpu_smm_update(CPUState *env)
299 uint64_t cpu_get_tsc(CPUX86State *env)
301 return cpu_get_real_ticks();
304 static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
309 e1 = (addr << 16) | (limit & 0xffff);
310 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
317 static uint64_t *idt_table;
319 static void set_gate64(void *ptr, unsigned int type, unsigned int dpl,
320 uint64_t addr, unsigned int sel)
323 e1 = (addr & 0xffff) | (sel << 16);
324 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
328 p[2] = tswap32(addr >> 32);
331 /* only dpl matters as we do only user space emulation */
332 static void set_idt(int n, unsigned int dpl)
334 set_gate64(idt_table + n * 2, 0, dpl, 0, 0);
337 static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
338 uint32_t addr, unsigned int sel)
341 e1 = (addr & 0xffff) | (sel << 16);
342 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
348 /* only dpl matters as we do only user space emulation */
349 static void set_idt(int n, unsigned int dpl)
351 set_gate(idt_table + n, 0, dpl, 0, 0);
355 void cpu_loop(CPUX86State *env)
359 target_siginfo_t info;
362 trapnr = cpu_x86_exec(env);
365 /* linux syscall from int $0x80 */
366 env->regs[R_EAX] = do_syscall(env,
377 /* linux syscall from syscall intruction */
378 env->regs[R_EAX] = do_syscall(env,
386 env->eip = env->exception_next_eip;
391 info.si_signo = SIGBUS;
393 info.si_code = TARGET_SI_KERNEL;
394 info._sifields._sigfault._addr = 0;
395 queue_signal(env, info.si_signo, &info);
398 /* XXX: potential problem if ABI32 */
399 #ifndef TARGET_X86_64
400 if (env->eflags & VM_MASK) {
401 handle_vm86_fault(env);
405 info.si_signo = SIGSEGV;
407 info.si_code = TARGET_SI_KERNEL;
408 info._sifields._sigfault._addr = 0;
409 queue_signal(env, info.si_signo, &info);
413 info.si_signo = SIGSEGV;
415 if (!(env->error_code & 1))
416 info.si_code = TARGET_SEGV_MAPERR;
418 info.si_code = TARGET_SEGV_ACCERR;
419 info._sifields._sigfault._addr = env->cr[2];
420 queue_signal(env, info.si_signo, &info);
423 #ifndef TARGET_X86_64
424 if (env->eflags & VM_MASK) {
425 handle_vm86_trap(env, trapnr);
429 /* division by zero */
430 info.si_signo = SIGFPE;
432 info.si_code = TARGET_FPE_INTDIV;
433 info._sifields._sigfault._addr = env->eip;
434 queue_signal(env, info.si_signo, &info);
439 #ifndef TARGET_X86_64
440 if (env->eflags & VM_MASK) {
441 handle_vm86_trap(env, trapnr);
445 info.si_signo = SIGTRAP;
447 if (trapnr == EXCP01_DB) {
448 info.si_code = TARGET_TRAP_BRKPT;
449 info._sifields._sigfault._addr = env->eip;
451 info.si_code = TARGET_SI_KERNEL;
452 info._sifields._sigfault._addr = 0;
454 queue_signal(env, info.si_signo, &info);
459 #ifndef TARGET_X86_64
460 if (env->eflags & VM_MASK) {
461 handle_vm86_trap(env, trapnr);
465 info.si_signo = SIGSEGV;
467 info.si_code = TARGET_SI_KERNEL;
468 info._sifields._sigfault._addr = 0;
469 queue_signal(env, info.si_signo, &info);
473 info.si_signo = SIGILL;
475 info.si_code = TARGET_ILL_ILLOPN;
476 info._sifields._sigfault._addr = env->eip;
477 queue_signal(env, info.si_signo, &info);
480 /* just indicate that signals should be handled asap */
486 sig = gdb_handlesig (env, TARGET_SIGTRAP);
491 info.si_code = TARGET_TRAP_BRKPT;
492 queue_signal(env, info.si_signo, &info);
497 pc = env->segs[R_CS].base + env->eip;
498 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
502 process_pending_signals(env);
509 static void arm_cache_flush(abi_ulong start, abi_ulong last)
511 abi_ulong addr, last1;
517 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
520 tb_invalidate_page_range(addr, last1 + 1);
527 /* Handle a jump to the kernel code page. */
529 do_kernel_trap(CPUARMState *env)
535 switch (env->regs[15]) {
536 case 0xffff0fa0: /* __kernel_memory_barrier */
537 /* ??? No-op. Will need to do better for SMP. */
539 case 0xffff0fc0: /* __kernel_cmpxchg */
540 /* XXX: This only works between threads, not between processes.
541 It's probably possible to implement this with native host
542 operations. However things like ldrex/strex are much harder so
543 there's not much point trying. */
545 cpsr = cpsr_read(env);
547 /* FIXME: This should SEGV if the access fails. */
548 if (get_user_u32(val, addr))
550 if (val == env->regs[0]) {
552 /* FIXME: Check for segfaults. */
553 put_user_u32(val, addr);
560 cpsr_write(env, cpsr, CPSR_C);
563 case 0xffff0fe0: /* __kernel_get_tls */
564 env->regs[0] = env->cp15.c13_tls2;
569 /* Jump back to the caller. */
570 addr = env->regs[14];
575 env->regs[15] = addr;
580 void cpu_loop(CPUARMState *env)
583 unsigned int n, insn;
584 target_siginfo_t info;
589 trapnr = cpu_arm_exec(env);
594 TaskState *ts = env->opaque;
598 /* we handle the FPU emulation here, as Linux */
599 /* we get the opcode */
600 /* FIXME - what to do if get_user() fails? */
601 get_user_u32(opcode, env->regs[15]);
603 rc = EmulateAll(opcode, &ts->fpa, env);
604 if (rc == 0) { /* illegal instruction */
605 info.si_signo = SIGILL;
607 info.si_code = TARGET_ILL_ILLOPN;
608 info._sifields._sigfault._addr = env->regs[15];
609 queue_signal(env, info.si_signo, &info);
610 } else if (rc < 0) { /* FP exception */
613 /* translate softfloat flags to FPSR flags */
614 if (-rc & float_flag_invalid)
616 if (-rc & float_flag_divbyzero)
618 if (-rc & float_flag_overflow)
620 if (-rc & float_flag_underflow)
622 if (-rc & float_flag_inexact)
625 FPSR fpsr = ts->fpa.fpsr;
626 //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe);
628 if (fpsr & (arm_fpe << 16)) { /* exception enabled? */
629 info.si_signo = SIGFPE;
632 /* ordered by priority, least first */
633 if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES;
634 if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND;
635 if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF;
636 if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV;
637 if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV;
639 info._sifields._sigfault._addr = env->regs[15];
640 queue_signal(env, info.si_signo, &info);
645 /* accumulate unenabled exceptions */
646 if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC))
648 if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC))
650 if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC))
652 if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC))
654 if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC))
657 } else { /* everything OK */
668 if (trapnr == EXCP_BKPT) {
670 /* FIXME - what to do if get_user() fails? */
671 get_user_u16(insn, env->regs[15]);
675 /* FIXME - what to do if get_user() fails? */
676 get_user_u32(insn, env->regs[15]);
677 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
682 /* FIXME - what to do if get_user() fails? */
683 get_user_u16(insn, env->regs[15] - 2);
686 /* FIXME - what to do if get_user() fails? */
687 get_user_u32(insn, env->regs[15] - 4);
692 if (n == ARM_NR_cacheflush) {
693 arm_cache_flush(env->regs[0], env->regs[1]);
694 } else if (n == ARM_NR_semihosting
695 || n == ARM_NR_thumb_semihosting) {
696 env->regs[0] = do_arm_semihosting (env);
697 } else if (n == 0 || n >= ARM_SYSCALL_BASE
698 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
700 if (env->thumb || n == 0) {
703 n -= ARM_SYSCALL_BASE;
706 if ( n > ARM_NR_BASE) {
708 case ARM_NR_cacheflush:
709 arm_cache_flush(env->regs[0], env->regs[1]);
712 cpu_set_tls(env, env->regs[0]);
716 gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
718 env->regs[0] = -TARGET_ENOSYS;
722 env->regs[0] = do_syscall(env,
737 /* just indicate that signals should be handled asap */
739 case EXCP_PREFETCH_ABORT:
740 addr = env->cp15.c6_insn;
742 case EXCP_DATA_ABORT:
743 addr = env->cp15.c6_data;
747 info.si_signo = SIGSEGV;
749 /* XXX: check env->error_code */
750 info.si_code = TARGET_SEGV_MAPERR;
751 info._sifields._sigfault._addr = addr;
752 queue_signal(env, info.si_signo, &info);
759 sig = gdb_handlesig (env, TARGET_SIGTRAP);
764 info.si_code = TARGET_TRAP_BRKPT;
765 queue_signal(env, info.si_signo, &info);
769 case EXCP_KERNEL_TRAP:
770 if (do_kernel_trap(env))
775 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
777 cpu_dump_state(env, stderr, fprintf, 0);
780 process_pending_signals(env);
787 #define SPARC64_STACK_BIAS 2047
791 /* WARNING: dealing with register windows _is_ complicated. More info
792 can be found at http://www.sics.se/~psm/sparcstack.html */
793 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
795 index = (index + cwp * 16) % (16 * env->nwindows);
796 /* wrap handling : if cwp is on the last window, then we use the
797 registers 'after' the end */
798 if (index < 8 && env->cwp == env->nwindows - 1)
799 index += 16 * env->nwindows;
803 /* save the register window 'cwp1' */
804 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
809 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
810 #ifdef TARGET_SPARC64
812 sp_ptr += SPARC64_STACK_BIAS;
814 #if defined(DEBUG_WIN)
815 printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n",
818 for(i = 0; i < 16; i++) {
819 /* FIXME - what to do if put_user() fails? */
820 put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
821 sp_ptr += sizeof(abi_ulong);
825 static void save_window(CPUSPARCState *env)
827 #ifndef TARGET_SPARC64
828 unsigned int new_wim;
829 new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) &
830 ((1LL << env->nwindows) - 1);
831 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
834 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
840 static void restore_window(CPUSPARCState *env)
842 #ifndef TARGET_SPARC64
843 unsigned int new_wim;
845 unsigned int i, cwp1;
848 #ifndef TARGET_SPARC64
849 new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) &
850 ((1LL << env->nwindows) - 1);
853 /* restore the invalid window */
854 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
855 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
856 #ifdef TARGET_SPARC64
858 sp_ptr += SPARC64_STACK_BIAS;
860 #if defined(DEBUG_WIN)
861 printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n",
864 for(i = 0; i < 16; i++) {
865 /* FIXME - what to do if get_user() fails? */
866 get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
867 sp_ptr += sizeof(abi_ulong);
869 #ifdef TARGET_SPARC64
871 if (env->cleanwin < env->nwindows - 1)
879 static void flush_windows(CPUSPARCState *env)
885 /* if restore would invoke restore_window(), then we can stop */
886 cwp1 = cpu_cwp_inc(env, env->cwp + offset);
887 #ifndef TARGET_SPARC64
888 if (env->wim & (1 << cwp1))
891 if (env->canrestore == 0)
896 save_window_offset(env, cwp1);
899 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
900 #ifndef TARGET_SPARC64
901 /* set wim so that restore will reload the registers */
902 env->wim = 1 << cwp1;
904 #if defined(DEBUG_WIN)
905 printf("flush_windows: nb=%d\n", offset - 1);
909 void cpu_loop (CPUSPARCState *env)
912 target_siginfo_t info;
915 trapnr = cpu_sparc_exec (env);
918 #ifndef TARGET_SPARC64
925 ret = do_syscall (env, env->gregs[1],
926 env->regwptr[0], env->regwptr[1],
927 env->regwptr[2], env->regwptr[3],
928 env->regwptr[4], env->regwptr[5]);
929 if ((unsigned int)ret >= (unsigned int)(-515)) {
930 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
931 env->xcc |= PSR_CARRY;
933 env->psr |= PSR_CARRY;
937 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
938 env->xcc &= ~PSR_CARRY;
940 env->psr &= ~PSR_CARRY;
943 env->regwptr[0] = ret;
944 /* next instruction */
946 env->npc = env->npc + 4;
948 case 0x83: /* flush windows */
953 /* next instruction */
955 env->npc = env->npc + 4;
957 #ifndef TARGET_SPARC64
958 case TT_WIN_OVF: /* window overflow */
961 case TT_WIN_UNF: /* window underflow */
967 info.si_signo = SIGSEGV;
969 /* XXX: check env->error_code */
970 info.si_code = TARGET_SEGV_MAPERR;
971 info._sifields._sigfault._addr = env->mmuregs[4];
972 queue_signal(env, info.si_signo, &info);
976 case TT_SPILL: /* window overflow */
979 case TT_FILL: /* window underflow */
985 info.si_signo = SIGSEGV;
987 /* XXX: check env->error_code */
988 info.si_code = TARGET_SEGV_MAPERR;
989 if (trapnr == TT_DFAULT)
990 info._sifields._sigfault._addr = env->dmmuregs[4];
992 info._sifields._sigfault._addr = env->tsptr->tpc;
993 queue_signal(env, info.si_signo, &info);
999 sparc64_get_context(env);
1003 sparc64_set_context(env);
1007 case EXCP_INTERRUPT:
1008 /* just indicate that signals should be handled asap */
1014 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1017 info.si_signo = sig;
1019 info.si_code = TARGET_TRAP_BRKPT;
1020 queue_signal(env, info.si_signo, &info);
1025 printf ("Unhandled trap: 0x%x\n", trapnr);
1026 cpu_dump_state(env, stderr, fprintf, 0);
1029 process_pending_signals (env);
1036 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
1042 uint32_t cpu_ppc_load_tbl (CPUState *env)
1044 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1047 uint32_t cpu_ppc_load_tbu (CPUState *env)
1049 return cpu_ppc_get_tb(env) >> 32;
1052 uint32_t cpu_ppc_load_atbl (CPUState *env)
1054 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
1057 uint32_t cpu_ppc_load_atbu (CPUState *env)
1059 return cpu_ppc_get_tb(env) >> 32;
1062 uint32_t cpu_ppc601_load_rtcu (CPUState *env)
1063 __attribute__ (( alias ("cpu_ppc_load_tbu") ));
1065 uint32_t cpu_ppc601_load_rtcl (CPUState *env)
1067 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
1070 /* XXX: to be fixed */
1071 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
1076 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
1081 #define EXCP_DUMP(env, fmt, args...) \
1083 fprintf(stderr, fmt , ##args); \
1084 cpu_dump_state(env, stderr, fprintf, 0); \
1085 qemu_log(fmt, ##args); \
1086 log_cpu_state(env, 0); \
1089 void cpu_loop(CPUPPCState *env)
1091 target_siginfo_t info;
1096 trapnr = cpu_ppc_exec(env);
1098 case POWERPC_EXCP_NONE:
1101 case POWERPC_EXCP_CRITICAL: /* Critical input */
1102 cpu_abort(env, "Critical interrupt while in user mode. "
1105 case POWERPC_EXCP_MCHECK: /* Machine check exception */
1106 cpu_abort(env, "Machine check exception while in user mode. "
1109 case POWERPC_EXCP_DSI: /* Data storage exception */
1110 EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
1112 /* XXX: check this. Seems bugged */
1113 switch (env->error_code & 0xFF000000) {
1115 info.si_signo = TARGET_SIGSEGV;
1117 info.si_code = TARGET_SEGV_MAPERR;
1120 info.si_signo = TARGET_SIGILL;
1122 info.si_code = TARGET_ILL_ILLADR;
1125 info.si_signo = TARGET_SIGSEGV;
1127 info.si_code = TARGET_SEGV_ACCERR;
1130 /* Let's send a regular segfault... */
1131 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1133 info.si_signo = TARGET_SIGSEGV;
1135 info.si_code = TARGET_SEGV_MAPERR;
1138 info._sifields._sigfault._addr = env->nip;
1139 queue_signal(env, info.si_signo, &info);
1141 case POWERPC_EXCP_ISI: /* Instruction storage exception */
1142 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
1143 env->spr[SPR_SRR0]);
1144 /* XXX: check this */
1145 switch (env->error_code & 0xFF000000) {
1147 info.si_signo = TARGET_SIGSEGV;
1149 info.si_code = TARGET_SEGV_MAPERR;
1153 info.si_signo = TARGET_SIGSEGV;
1155 info.si_code = TARGET_SEGV_ACCERR;
1158 /* Let's send a regular segfault... */
1159 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1161 info.si_signo = TARGET_SIGSEGV;
1163 info.si_code = TARGET_SEGV_MAPERR;
1166 info._sifields._sigfault._addr = env->nip - 4;
1167 queue_signal(env, info.si_signo, &info);
1169 case POWERPC_EXCP_EXTERNAL: /* External input */
1170 cpu_abort(env, "External interrupt while in user mode. "
1173 case POWERPC_EXCP_ALIGN: /* Alignment exception */
1174 EXCP_DUMP(env, "Unaligned memory access\n");
1175 /* XXX: check this */
1176 info.si_signo = TARGET_SIGBUS;
1178 info.si_code = TARGET_BUS_ADRALN;
1179 info._sifields._sigfault._addr = env->nip - 4;
1180 queue_signal(env, info.si_signo, &info);
1182 case POWERPC_EXCP_PROGRAM: /* Program exception */
1183 /* XXX: check this */
1184 switch (env->error_code & ~0xF) {
1185 case POWERPC_EXCP_FP:
1186 EXCP_DUMP(env, "Floating point program exception\n");
1187 info.si_signo = TARGET_SIGFPE;
1189 switch (env->error_code & 0xF) {
1190 case POWERPC_EXCP_FP_OX:
1191 info.si_code = TARGET_FPE_FLTOVF;
1193 case POWERPC_EXCP_FP_UX:
1194 info.si_code = TARGET_FPE_FLTUND;
1196 case POWERPC_EXCP_FP_ZX:
1197 case POWERPC_EXCP_FP_VXZDZ:
1198 info.si_code = TARGET_FPE_FLTDIV;
1200 case POWERPC_EXCP_FP_XX:
1201 info.si_code = TARGET_FPE_FLTRES;
1203 case POWERPC_EXCP_FP_VXSOFT:
1204 info.si_code = TARGET_FPE_FLTINV;
1206 case POWERPC_EXCP_FP_VXSNAN:
1207 case POWERPC_EXCP_FP_VXISI:
1208 case POWERPC_EXCP_FP_VXIDI:
1209 case POWERPC_EXCP_FP_VXIMZ:
1210 case POWERPC_EXCP_FP_VXVC:
1211 case POWERPC_EXCP_FP_VXSQRT:
1212 case POWERPC_EXCP_FP_VXCVI:
1213 info.si_code = TARGET_FPE_FLTSUB;
1216 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
1221 case POWERPC_EXCP_INVAL:
1222 EXCP_DUMP(env, "Invalid instruction\n");
1223 info.si_signo = TARGET_SIGILL;
1225 switch (env->error_code & 0xF) {
1226 case POWERPC_EXCP_INVAL_INVAL:
1227 info.si_code = TARGET_ILL_ILLOPC;
1229 case POWERPC_EXCP_INVAL_LSWX:
1230 info.si_code = TARGET_ILL_ILLOPN;
1232 case POWERPC_EXCP_INVAL_SPR:
1233 info.si_code = TARGET_ILL_PRVREG;
1235 case POWERPC_EXCP_INVAL_FP:
1236 info.si_code = TARGET_ILL_COPROC;
1239 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
1240 env->error_code & 0xF);
1241 info.si_code = TARGET_ILL_ILLADR;
1245 case POWERPC_EXCP_PRIV:
1246 EXCP_DUMP(env, "Privilege violation\n");
1247 info.si_signo = TARGET_SIGILL;
1249 switch (env->error_code & 0xF) {
1250 case POWERPC_EXCP_PRIV_OPC:
1251 info.si_code = TARGET_ILL_PRVOPC;
1253 case POWERPC_EXCP_PRIV_REG:
1254 info.si_code = TARGET_ILL_PRVREG;
1257 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
1258 env->error_code & 0xF);
1259 info.si_code = TARGET_ILL_PRVOPC;
1263 case POWERPC_EXCP_TRAP:
1264 cpu_abort(env, "Tried to call a TRAP\n");
1267 /* Should not happen ! */
1268 cpu_abort(env, "Unknown program exception (%02x)\n",
1272 info._sifields._sigfault._addr = env->nip - 4;
1273 queue_signal(env, info.si_signo, &info);
1275 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
1276 EXCP_DUMP(env, "No floating point allowed\n");
1277 info.si_signo = TARGET_SIGILL;
1279 info.si_code = TARGET_ILL_COPROC;
1280 info._sifields._sigfault._addr = env->nip - 4;
1281 queue_signal(env, info.si_signo, &info);
1283 case POWERPC_EXCP_SYSCALL: /* System call exception */
1284 cpu_abort(env, "Syscall exception while in user mode. "
1287 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
1288 EXCP_DUMP(env, "No APU instruction allowed\n");
1289 info.si_signo = TARGET_SIGILL;
1291 info.si_code = TARGET_ILL_COPROC;
1292 info._sifields._sigfault._addr = env->nip - 4;
1293 queue_signal(env, info.si_signo, &info);
1295 case POWERPC_EXCP_DECR: /* Decrementer exception */
1296 cpu_abort(env, "Decrementer interrupt while in user mode. "
1299 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
1300 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
1303 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
1304 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
1307 case POWERPC_EXCP_DTLB: /* Data TLB error */
1308 cpu_abort(env, "Data TLB exception while in user mode. "
1311 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
1312 cpu_abort(env, "Instruction TLB exception while in user mode. "
1315 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
1316 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
1317 info.si_signo = TARGET_SIGILL;
1319 info.si_code = TARGET_ILL_COPROC;
1320 info._sifields._sigfault._addr = env->nip - 4;
1321 queue_signal(env, info.si_signo, &info);
1323 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
1324 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
1326 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
1327 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
1329 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
1330 cpu_abort(env, "Performance monitor exception not handled\n");
1332 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
1333 cpu_abort(env, "Doorbell interrupt while in user mode. "
1336 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1337 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1340 case POWERPC_EXCP_RESET: /* System reset exception */
1341 cpu_abort(env, "Reset interrupt while in user mode. "
1344 case POWERPC_EXCP_DSEG: /* Data segment exception */
1345 cpu_abort(env, "Data segment exception while in user mode. "
1348 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1349 cpu_abort(env, "Instruction segment exception "
1350 "while in user mode. Aborting\n");
1352 /* PowerPC 64 with hypervisor mode support */
1353 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1354 cpu_abort(env, "Hypervisor decrementer interrupt "
1355 "while in user mode. Aborting\n");
1357 case POWERPC_EXCP_TRACE: /* Trace exception */
1359 * we use this exception to emulate step-by-step execution mode.
1362 /* PowerPC 64 with hypervisor mode support */
1363 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1364 cpu_abort(env, "Hypervisor data storage exception "
1365 "while in user mode. Aborting\n");
1367 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1368 cpu_abort(env, "Hypervisor instruction storage exception "
1369 "while in user mode. Aborting\n");
1371 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1372 cpu_abort(env, "Hypervisor data segment exception "
1373 "while in user mode. Aborting\n");
1375 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1376 cpu_abort(env, "Hypervisor instruction segment exception "
1377 "while in user mode. Aborting\n");
1379 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1380 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1381 info.si_signo = TARGET_SIGILL;
1383 info.si_code = TARGET_ILL_COPROC;
1384 info._sifields._sigfault._addr = env->nip - 4;
1385 queue_signal(env, info.si_signo, &info);
1387 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1388 cpu_abort(env, "Programable interval timer interrupt "
1389 "while in user mode. Aborting\n");
1391 case POWERPC_EXCP_IO: /* IO error exception */
1392 cpu_abort(env, "IO error exception while in user mode. "
1395 case POWERPC_EXCP_RUNM: /* Run mode exception */
1396 cpu_abort(env, "Run mode exception while in user mode. "
1399 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1400 cpu_abort(env, "Emulation trap exception not handled\n");
1402 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1403 cpu_abort(env, "Instruction fetch TLB exception "
1404 "while in user-mode. Aborting");
1406 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1407 cpu_abort(env, "Data load TLB exception while in user-mode. "
1410 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1411 cpu_abort(env, "Data store TLB exception while in user-mode. "
1414 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1415 cpu_abort(env, "Floating-point assist exception not handled\n");
1417 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1418 cpu_abort(env, "Instruction address breakpoint exception "
1421 case POWERPC_EXCP_SMI: /* System management interrupt */
1422 cpu_abort(env, "System management interrupt while in user mode. "
1425 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1426 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1429 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1430 cpu_abort(env, "Performance monitor exception not handled\n");
1432 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1433 cpu_abort(env, "Vector assist exception not handled\n");
1435 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1436 cpu_abort(env, "Soft patch exception not handled\n");
1438 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1439 cpu_abort(env, "Maintenance exception while in user mode. "
1442 case POWERPC_EXCP_STOP: /* stop translation */
1443 /* We did invalidate the instruction cache. Go on */
1445 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1446 /* We just stopped because of a branch. Go on */
1448 case POWERPC_EXCP_SYSCALL_USER:
1449 /* system call in user-mode emulation */
1451 * PPC ABI uses overflow flag in cr0 to signal an error
1455 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1456 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1458 env->crf[0] &= ~0x1;
1459 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1460 env->gpr[5], env->gpr[6], env->gpr[7],
1462 if (ret > (uint32_t)(-515)) {
1468 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1475 sig = gdb_handlesig(env, TARGET_SIGTRAP);
1477 info.si_signo = sig;
1479 info.si_code = TARGET_TRAP_BRKPT;
1480 queue_signal(env, info.si_signo, &info);
1484 case EXCP_INTERRUPT:
1485 /* just indicate that signals should be handled asap */
1488 cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1491 process_pending_signals(env);
1498 #define MIPS_SYS(name, args) args,
1500 static const uint8_t mips_syscall_args[] = {
1501 MIPS_SYS(sys_syscall , 0) /* 4000 */
1502 MIPS_SYS(sys_exit , 1)
1503 MIPS_SYS(sys_fork , 0)
1504 MIPS_SYS(sys_read , 3)
1505 MIPS_SYS(sys_write , 3)
1506 MIPS_SYS(sys_open , 3) /* 4005 */
1507 MIPS_SYS(sys_close , 1)
1508 MIPS_SYS(sys_waitpid , 3)
1509 MIPS_SYS(sys_creat , 2)
1510 MIPS_SYS(sys_link , 2)
1511 MIPS_SYS(sys_unlink , 1) /* 4010 */
1512 MIPS_SYS(sys_execve , 0)
1513 MIPS_SYS(sys_chdir , 1)
1514 MIPS_SYS(sys_time , 1)
1515 MIPS_SYS(sys_mknod , 3)
1516 MIPS_SYS(sys_chmod , 2) /* 4015 */
1517 MIPS_SYS(sys_lchown , 3)
1518 MIPS_SYS(sys_ni_syscall , 0)
1519 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1520 MIPS_SYS(sys_lseek , 3)
1521 MIPS_SYS(sys_getpid , 0) /* 4020 */
1522 MIPS_SYS(sys_mount , 5)
1523 MIPS_SYS(sys_oldumount , 1)
1524 MIPS_SYS(sys_setuid , 1)
1525 MIPS_SYS(sys_getuid , 0)
1526 MIPS_SYS(sys_stime , 1) /* 4025 */
1527 MIPS_SYS(sys_ptrace , 4)
1528 MIPS_SYS(sys_alarm , 1)
1529 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1530 MIPS_SYS(sys_pause , 0)
1531 MIPS_SYS(sys_utime , 2) /* 4030 */
1532 MIPS_SYS(sys_ni_syscall , 0)
1533 MIPS_SYS(sys_ni_syscall , 0)
1534 MIPS_SYS(sys_access , 2)
1535 MIPS_SYS(sys_nice , 1)
1536 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1537 MIPS_SYS(sys_sync , 0)
1538 MIPS_SYS(sys_kill , 2)
1539 MIPS_SYS(sys_rename , 2)
1540 MIPS_SYS(sys_mkdir , 2)
1541 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1542 MIPS_SYS(sys_dup , 1)
1543 MIPS_SYS(sys_pipe , 0)
1544 MIPS_SYS(sys_times , 1)
1545 MIPS_SYS(sys_ni_syscall , 0)
1546 MIPS_SYS(sys_brk , 1) /* 4045 */
1547 MIPS_SYS(sys_setgid , 1)
1548 MIPS_SYS(sys_getgid , 0)
1549 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1550 MIPS_SYS(sys_geteuid , 0)
1551 MIPS_SYS(sys_getegid , 0) /* 4050 */
1552 MIPS_SYS(sys_acct , 0)
1553 MIPS_SYS(sys_umount , 2)
1554 MIPS_SYS(sys_ni_syscall , 0)
1555 MIPS_SYS(sys_ioctl , 3)
1556 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1557 MIPS_SYS(sys_ni_syscall , 2)
1558 MIPS_SYS(sys_setpgid , 2)
1559 MIPS_SYS(sys_ni_syscall , 0)
1560 MIPS_SYS(sys_olduname , 1)
1561 MIPS_SYS(sys_umask , 1) /* 4060 */
1562 MIPS_SYS(sys_chroot , 1)
1563 MIPS_SYS(sys_ustat , 2)
1564 MIPS_SYS(sys_dup2 , 2)
1565 MIPS_SYS(sys_getppid , 0)
1566 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1567 MIPS_SYS(sys_setsid , 0)
1568 MIPS_SYS(sys_sigaction , 3)
1569 MIPS_SYS(sys_sgetmask , 0)
1570 MIPS_SYS(sys_ssetmask , 1)
1571 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1572 MIPS_SYS(sys_setregid , 2)
1573 MIPS_SYS(sys_sigsuspend , 0)
1574 MIPS_SYS(sys_sigpending , 1)
1575 MIPS_SYS(sys_sethostname , 2)
1576 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1577 MIPS_SYS(sys_getrlimit , 2)
1578 MIPS_SYS(sys_getrusage , 2)
1579 MIPS_SYS(sys_gettimeofday, 2)
1580 MIPS_SYS(sys_settimeofday, 2)
1581 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1582 MIPS_SYS(sys_setgroups , 2)
1583 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1584 MIPS_SYS(sys_symlink , 2)
1585 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1586 MIPS_SYS(sys_readlink , 3) /* 4085 */
1587 MIPS_SYS(sys_uselib , 1)
1588 MIPS_SYS(sys_swapon , 2)
1589 MIPS_SYS(sys_reboot , 3)
1590 MIPS_SYS(old_readdir , 3)
1591 MIPS_SYS(old_mmap , 6) /* 4090 */
1592 MIPS_SYS(sys_munmap , 2)
1593 MIPS_SYS(sys_truncate , 2)
1594 MIPS_SYS(sys_ftruncate , 2)
1595 MIPS_SYS(sys_fchmod , 2)
1596 MIPS_SYS(sys_fchown , 3) /* 4095 */
1597 MIPS_SYS(sys_getpriority , 2)
1598 MIPS_SYS(sys_setpriority , 3)
1599 MIPS_SYS(sys_ni_syscall , 0)
1600 MIPS_SYS(sys_statfs , 2)
1601 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1602 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1603 MIPS_SYS(sys_socketcall , 2)
1604 MIPS_SYS(sys_syslog , 3)
1605 MIPS_SYS(sys_setitimer , 3)
1606 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1607 MIPS_SYS(sys_newstat , 2)
1608 MIPS_SYS(sys_newlstat , 2)
1609 MIPS_SYS(sys_newfstat , 2)
1610 MIPS_SYS(sys_uname , 1)
1611 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1612 MIPS_SYS(sys_vhangup , 0)
1613 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1614 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1615 MIPS_SYS(sys_wait4 , 4)
1616 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1617 MIPS_SYS(sys_sysinfo , 1)
1618 MIPS_SYS(sys_ipc , 6)
1619 MIPS_SYS(sys_fsync , 1)
1620 MIPS_SYS(sys_sigreturn , 0)
1621 MIPS_SYS(sys_clone , 0) /* 4120 */
1622 MIPS_SYS(sys_setdomainname, 2)
1623 MIPS_SYS(sys_newuname , 1)
1624 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1625 MIPS_SYS(sys_adjtimex , 1)
1626 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1627 MIPS_SYS(sys_sigprocmask , 3)
1628 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1629 MIPS_SYS(sys_init_module , 5)
1630 MIPS_SYS(sys_delete_module, 1)
1631 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1632 MIPS_SYS(sys_quotactl , 0)
1633 MIPS_SYS(sys_getpgid , 1)
1634 MIPS_SYS(sys_fchdir , 1)
1635 MIPS_SYS(sys_bdflush , 2)
1636 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1637 MIPS_SYS(sys_personality , 1)
1638 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1639 MIPS_SYS(sys_setfsuid , 1)
1640 MIPS_SYS(sys_setfsgid , 1)
1641 MIPS_SYS(sys_llseek , 5) /* 4140 */
1642 MIPS_SYS(sys_getdents , 3)
1643 MIPS_SYS(sys_select , 5)
1644 MIPS_SYS(sys_flock , 2)
1645 MIPS_SYS(sys_msync , 3)
1646 MIPS_SYS(sys_readv , 3) /* 4145 */
1647 MIPS_SYS(sys_writev , 3)
1648 MIPS_SYS(sys_cacheflush , 3)
1649 MIPS_SYS(sys_cachectl , 3)
1650 MIPS_SYS(sys_sysmips , 4)
1651 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1652 MIPS_SYS(sys_getsid , 1)
1653 MIPS_SYS(sys_fdatasync , 0)
1654 MIPS_SYS(sys_sysctl , 1)
1655 MIPS_SYS(sys_mlock , 2)
1656 MIPS_SYS(sys_munlock , 2) /* 4155 */
1657 MIPS_SYS(sys_mlockall , 1)
1658 MIPS_SYS(sys_munlockall , 0)
1659 MIPS_SYS(sys_sched_setparam, 2)
1660 MIPS_SYS(sys_sched_getparam, 2)
1661 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1662 MIPS_SYS(sys_sched_getscheduler, 1)
1663 MIPS_SYS(sys_sched_yield , 0)
1664 MIPS_SYS(sys_sched_get_priority_max, 1)
1665 MIPS_SYS(sys_sched_get_priority_min, 1)
1666 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1667 MIPS_SYS(sys_nanosleep, 2)
1668 MIPS_SYS(sys_mremap , 4)
1669 MIPS_SYS(sys_accept , 3)
1670 MIPS_SYS(sys_bind , 3)
1671 MIPS_SYS(sys_connect , 3) /* 4170 */
1672 MIPS_SYS(sys_getpeername , 3)
1673 MIPS_SYS(sys_getsockname , 3)
1674 MIPS_SYS(sys_getsockopt , 5)
1675 MIPS_SYS(sys_listen , 2)
1676 MIPS_SYS(sys_recv , 4) /* 4175 */
1677 MIPS_SYS(sys_recvfrom , 6)
1678 MIPS_SYS(sys_recvmsg , 3)
1679 MIPS_SYS(sys_send , 4)
1680 MIPS_SYS(sys_sendmsg , 3)
1681 MIPS_SYS(sys_sendto , 6) /* 4180 */
1682 MIPS_SYS(sys_setsockopt , 5)
1683 MIPS_SYS(sys_shutdown , 2)
1684 MIPS_SYS(sys_socket , 3)
1685 MIPS_SYS(sys_socketpair , 4)
1686 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1687 MIPS_SYS(sys_getresuid , 3)
1688 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1689 MIPS_SYS(sys_poll , 3)
1690 MIPS_SYS(sys_nfsservctl , 3)
1691 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1692 MIPS_SYS(sys_getresgid , 3)
1693 MIPS_SYS(sys_prctl , 5)
1694 MIPS_SYS(sys_rt_sigreturn, 0)
1695 MIPS_SYS(sys_rt_sigaction, 4)
1696 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1697 MIPS_SYS(sys_rt_sigpending, 2)
1698 MIPS_SYS(sys_rt_sigtimedwait, 4)
1699 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1700 MIPS_SYS(sys_rt_sigsuspend, 0)
1701 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1702 MIPS_SYS(sys_pwrite64 , 6)
1703 MIPS_SYS(sys_chown , 3)
1704 MIPS_SYS(sys_getcwd , 2)
1705 MIPS_SYS(sys_capget , 2)
1706 MIPS_SYS(sys_capset , 2) /* 4205 */
1707 MIPS_SYS(sys_sigaltstack , 0)
1708 MIPS_SYS(sys_sendfile , 4)
1709 MIPS_SYS(sys_ni_syscall , 0)
1710 MIPS_SYS(sys_ni_syscall , 0)
1711 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1712 MIPS_SYS(sys_truncate64 , 4)
1713 MIPS_SYS(sys_ftruncate64 , 4)
1714 MIPS_SYS(sys_stat64 , 2)
1715 MIPS_SYS(sys_lstat64 , 2)
1716 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1717 MIPS_SYS(sys_pivot_root , 2)
1718 MIPS_SYS(sys_mincore , 3)
1719 MIPS_SYS(sys_madvise , 3)
1720 MIPS_SYS(sys_getdents64 , 3)
1721 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1722 MIPS_SYS(sys_ni_syscall , 0)
1723 MIPS_SYS(sys_gettid , 0)
1724 MIPS_SYS(sys_readahead , 5)
1725 MIPS_SYS(sys_setxattr , 5)
1726 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1727 MIPS_SYS(sys_fsetxattr , 5)
1728 MIPS_SYS(sys_getxattr , 4)
1729 MIPS_SYS(sys_lgetxattr , 4)
1730 MIPS_SYS(sys_fgetxattr , 4)
1731 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1732 MIPS_SYS(sys_llistxattr , 3)
1733 MIPS_SYS(sys_flistxattr , 3)
1734 MIPS_SYS(sys_removexattr , 2)
1735 MIPS_SYS(sys_lremovexattr, 2)
1736 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1737 MIPS_SYS(sys_tkill , 2)
1738 MIPS_SYS(sys_sendfile64 , 5)
1739 MIPS_SYS(sys_futex , 2)
1740 MIPS_SYS(sys_sched_setaffinity, 3)
1741 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1742 MIPS_SYS(sys_io_setup , 2)
1743 MIPS_SYS(sys_io_destroy , 1)
1744 MIPS_SYS(sys_io_getevents, 5)
1745 MIPS_SYS(sys_io_submit , 3)
1746 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1747 MIPS_SYS(sys_exit_group , 1)
1748 MIPS_SYS(sys_lookup_dcookie, 3)
1749 MIPS_SYS(sys_epoll_create, 1)
1750 MIPS_SYS(sys_epoll_ctl , 4)
1751 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1752 MIPS_SYS(sys_remap_file_pages, 5)
1753 MIPS_SYS(sys_set_tid_address, 1)
1754 MIPS_SYS(sys_restart_syscall, 0)
1755 MIPS_SYS(sys_fadvise64_64, 7)
1756 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1757 MIPS_SYS(sys_fstatfs64 , 2)
1758 MIPS_SYS(sys_timer_create, 3)
1759 MIPS_SYS(sys_timer_settime, 4)
1760 MIPS_SYS(sys_timer_gettime, 2)
1761 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1762 MIPS_SYS(sys_timer_delete, 1)
1763 MIPS_SYS(sys_clock_settime, 2)
1764 MIPS_SYS(sys_clock_gettime, 2)
1765 MIPS_SYS(sys_clock_getres, 2)
1766 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1767 MIPS_SYS(sys_tgkill , 3)
1768 MIPS_SYS(sys_utimes , 2)
1769 MIPS_SYS(sys_mbind , 4)
1770 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1771 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1772 MIPS_SYS(sys_mq_open , 4)
1773 MIPS_SYS(sys_mq_unlink , 1)
1774 MIPS_SYS(sys_mq_timedsend, 5)
1775 MIPS_SYS(sys_mq_timedreceive, 5)
1776 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1777 MIPS_SYS(sys_mq_getsetattr, 3)
1778 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1779 MIPS_SYS(sys_waitid , 4)
1780 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1781 MIPS_SYS(sys_add_key , 5)
1782 MIPS_SYS(sys_request_key, 4)
1783 MIPS_SYS(sys_keyctl , 5)
1784 MIPS_SYS(sys_set_thread_area, 1)
1785 MIPS_SYS(sys_inotify_init, 0)
1786 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1787 MIPS_SYS(sys_inotify_rm_watch, 2)
1788 MIPS_SYS(sys_migrate_pages, 4)
1789 MIPS_SYS(sys_openat, 4)
1790 MIPS_SYS(sys_mkdirat, 3)
1791 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1792 MIPS_SYS(sys_fchownat, 5)
1793 MIPS_SYS(sys_futimesat, 3)
1794 MIPS_SYS(sys_fstatat64, 4)
1795 MIPS_SYS(sys_unlinkat, 3)
1796 MIPS_SYS(sys_renameat, 4) /* 4295 */
1797 MIPS_SYS(sys_linkat, 5)
1798 MIPS_SYS(sys_symlinkat, 3)
1799 MIPS_SYS(sys_readlinkat, 4)
1800 MIPS_SYS(sys_fchmodat, 3)
1801 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1802 MIPS_SYS(sys_pselect6, 6)
1803 MIPS_SYS(sys_ppoll, 5)
1804 MIPS_SYS(sys_unshare, 1)
1805 MIPS_SYS(sys_splice, 4)
1806 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1807 MIPS_SYS(sys_tee, 4)
1808 MIPS_SYS(sys_vmsplice, 4)
1809 MIPS_SYS(sys_move_pages, 6)
1810 MIPS_SYS(sys_set_robust_list, 2)
1811 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1812 MIPS_SYS(sys_kexec_load, 4)
1813 MIPS_SYS(sys_getcpu, 3)
1814 MIPS_SYS(sys_epoll_pwait, 6)
1815 MIPS_SYS(sys_ioprio_set, 3)
1816 MIPS_SYS(sys_ioprio_get, 2)
1821 void cpu_loop(CPUMIPSState *env)
1823 target_siginfo_t info;
1825 unsigned int syscall_num;
1828 trapnr = cpu_mips_exec(env);
1831 syscall_num = env->active_tc.gpr[2] - 4000;
1832 env->active_tc.PC += 4;
1833 if (syscall_num >= sizeof(mips_syscall_args)) {
1838 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1840 nb_args = mips_syscall_args[syscall_num];
1841 sp_reg = env->active_tc.gpr[29];
1843 /* these arguments are taken from the stack */
1844 /* FIXME - what to do if get_user() fails? */
1845 case 8: get_user_ual(arg8, sp_reg + 28);
1846 case 7: get_user_ual(arg7, sp_reg + 24);
1847 case 6: get_user_ual(arg6, sp_reg + 20);
1848 case 5: get_user_ual(arg5, sp_reg + 16);
1852 ret = do_syscall(env, env->active_tc.gpr[2],
1853 env->active_tc.gpr[4],
1854 env->active_tc.gpr[5],
1855 env->active_tc.gpr[6],
1856 env->active_tc.gpr[7],
1857 arg5, arg6/*, arg7, arg8*/);
1859 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1860 env->active_tc.gpr[7] = 1; /* error flag */
1863 env->active_tc.gpr[7] = 0; /* error flag */
1865 env->active_tc.gpr[2] = ret;
1871 info.si_signo = TARGET_SIGILL;
1874 queue_signal(env, info.si_signo, &info);
1876 case EXCP_INTERRUPT:
1877 /* just indicate that signals should be handled asap */
1883 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1886 info.si_signo = sig;
1888 info.si_code = TARGET_TRAP_BRKPT;
1889 queue_signal(env, info.si_signo, &info);
1895 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1897 cpu_dump_state(env, stderr, fprintf, 0);
1900 process_pending_signals(env);
1906 void cpu_loop (CPUState *env)
1909 target_siginfo_t info;
1912 trapnr = cpu_sh4_exec (env);
1917 ret = do_syscall(env,
1925 env->gregs[0] = ret;
1927 case EXCP_INTERRUPT:
1928 /* just indicate that signals should be handled asap */
1934 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1937 info.si_signo = sig;
1939 info.si_code = TARGET_TRAP_BRKPT;
1940 queue_signal(env, info.si_signo, &info);
1946 info.si_signo = SIGSEGV;
1948 info.si_code = TARGET_SEGV_MAPERR;
1949 info._sifields._sigfault._addr = env->tea;
1950 queue_signal(env, info.si_signo, &info);
1954 printf ("Unhandled trap: 0x%x\n", trapnr);
1955 cpu_dump_state(env, stderr, fprintf, 0);
1958 process_pending_signals (env);
1964 void cpu_loop (CPUState *env)
1967 target_siginfo_t info;
1970 trapnr = cpu_cris_exec (env);
1974 info.si_signo = SIGSEGV;
1976 /* XXX: check env->error_code */
1977 info.si_code = TARGET_SEGV_MAPERR;
1978 info._sifields._sigfault._addr = env->pregs[PR_EDA];
1979 queue_signal(env, info.si_signo, &info);
1982 case EXCP_INTERRUPT:
1983 /* just indicate that signals should be handled asap */
1986 ret = do_syscall(env,
1994 env->regs[10] = ret;
2000 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2003 info.si_signo = sig;
2005 info.si_code = TARGET_TRAP_BRKPT;
2006 queue_signal(env, info.si_signo, &info);
2011 printf ("Unhandled trap: 0x%x\n", trapnr);
2012 cpu_dump_state(env, stderr, fprintf, 0);
2015 process_pending_signals (env);
2022 void cpu_loop(CPUM68KState *env)
2026 target_siginfo_t info;
2027 TaskState *ts = env->opaque;
2030 trapnr = cpu_m68k_exec(env);
2034 if (ts->sim_syscalls) {
2036 nr = lduw(env->pc + 2);
2038 do_m68k_simcall(env, nr);
2044 case EXCP_HALT_INSN:
2045 /* Semihosing syscall. */
2047 do_m68k_semihosting(env, env->dregs[0]);
2051 case EXCP_UNSUPPORTED:
2053 info.si_signo = SIGILL;
2055 info.si_code = TARGET_ILL_ILLOPN;
2056 info._sifields._sigfault._addr = env->pc;
2057 queue_signal(env, info.si_signo, &info);
2061 ts->sim_syscalls = 0;
2064 env->dregs[0] = do_syscall(env,
2074 case EXCP_INTERRUPT:
2075 /* just indicate that signals should be handled asap */
2079 info.si_signo = SIGSEGV;
2081 /* XXX: check env->error_code */
2082 info.si_code = TARGET_SEGV_MAPERR;
2083 info._sifields._sigfault._addr = env->mmu.ar;
2084 queue_signal(env, info.si_signo, &info);
2091 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2094 info.si_signo = sig;
2096 info.si_code = TARGET_TRAP_BRKPT;
2097 queue_signal(env, info.si_signo, &info);
2102 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
2104 cpu_dump_state(env, stderr, fprintf, 0);
2107 process_pending_signals(env);
2110 #endif /* TARGET_M68K */
2113 void cpu_loop (CPUState *env)
2116 target_siginfo_t info;
2119 trapnr = cpu_alpha_exec (env);
2123 fprintf(stderr, "Reset requested. Exit\n");
2127 fprintf(stderr, "Machine check exception. Exit\n");
2131 fprintf(stderr, "Arithmetic trap.\n");
2134 case EXCP_HW_INTERRUPT:
2135 fprintf(stderr, "External interrupt. Exit\n");
2139 fprintf(stderr, "MMU data fault\n");
2142 case EXCP_DTB_MISS_PAL:
2143 fprintf(stderr, "MMU data TLB miss in PALcode\n");
2147 fprintf(stderr, "MMU instruction TLB miss\n");
2151 fprintf(stderr, "MMU instruction access violation\n");
2154 case EXCP_DTB_MISS_NATIVE:
2155 fprintf(stderr, "MMU data TLB miss\n");
2159 fprintf(stderr, "Unaligned access\n");
2163 fprintf(stderr, "Invalid instruction\n");
2167 fprintf(stderr, "Floating-point not allowed\n");
2170 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
2171 call_pal(env, (trapnr >> 6) | 0x80);
2173 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
2174 fprintf(stderr, "Privileged call to PALcode\n");
2181 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2184 info.si_signo = sig;
2186 info.si_code = TARGET_TRAP_BRKPT;
2187 queue_signal(env, info.si_signo, &info);
2192 printf ("Unhandled trap: 0x%x\n", trapnr);
2193 cpu_dump_state(env, stderr, fprintf, 0);
2196 process_pending_signals (env);
2199 #endif /* TARGET_ALPHA */
2201 static void usage(void)
2203 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
2204 "usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n"
2205 "Linux CPU emulator (compiled for %s emulation)\n"
2207 "Standard options:\n"
2208 "-h print this help\n"
2209 "-g port wait gdb connection to port\n"
2210 "-L path set the elf interpreter prefix (default=%s)\n"
2211 "-s size set the stack size in bytes (default=%ld)\n"
2212 "-cpu model select CPU (-cpu ? for list)\n"
2213 "-drop-ld-preload drop LD_PRELOAD for target process\n"
2214 "-E var=value sets/modifies targets environment variable(s)\n"
2215 "-U var unsets targets environment variable(s)\n"
2218 "-d options activate log (logfile=%s)\n"
2219 "-p pagesize set the host page size to 'pagesize'\n"
2220 "-strace log system calls\n"
2222 "Environment variables:\n"
2223 "QEMU_STRACE Print system calls and arguments similar to the\n"
2224 " 'strace' program. Enable by setting to any value.\n"
2225 "You can use -E and -U options to set/unset environment variables\n"
2226 "for target process. It is possible to provide several variables\n"
2227 "by repeating the option. For example:\n"
2228 " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n"
2229 "Note that if you provide several changes to single variable\n"
2230 "last change will stay in effect.\n"
2239 THREAD CPUState *thread_env;
2241 /* Assumes contents are already zeroed. */
2242 void init_task_state(TaskState *ts)
2247 ts->first_free = ts->sigqueue_table;
2248 for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) {
2249 ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1];
2251 ts->sigqueue_table[i].next = NULL;
2254 int main(int argc, char **argv, char **envp)
2256 const char *filename;
2257 const char *cpu_model;
2258 struct target_pt_regs regs1, *regs = ®s1;
2259 struct image_info info1, *info = &info1;
2260 TaskState ts1, *ts = &ts1;
2264 int gdbstub_port = 0;
2265 char **target_environ, **wrk;
2266 envlist_t *envlist = NULL;
2271 qemu_cache_utils_init(envp);
2274 cpu_set_log_filename(DEBUG_LOGFILE);
2276 if ((envlist = envlist_create()) == NULL) {
2277 (void) fprintf(stderr, "Unable to allocate envlist\n");
2281 /* add current environment into the list */
2282 for (wrk = environ; *wrk != NULL; wrk++) {
2283 (void) envlist_setenv(envlist, *wrk);
2296 if (!strcmp(r, "-")) {
2298 } else if (!strcmp(r, "d")) {
2300 const CPULogItem *item;
2306 mask = cpu_str_to_log_mask(r);
2308 printf("Log items (comma separated):\n");
2309 for(item = cpu_log_items; item->mask != 0; item++) {
2310 printf("%-10s %s\n", item->name, item->help);
2315 } else if (!strcmp(r, "E")) {
2317 if (envlist_setenv(envlist, r) != 0)
2319 } else if (!strcmp(r, "U")) {
2321 if (envlist_unsetenv(envlist, r) != 0)
2323 } else if (!strcmp(r, "s")) {
2327 x86_stack_size = strtol(r, (char **)&r, 0);
2328 if (x86_stack_size <= 0)
2331 x86_stack_size *= 1024 * 1024;
2332 else if (*r == 'k' || *r == 'K')
2333 x86_stack_size *= 1024;
2334 } else if (!strcmp(r, "L")) {
2335 interp_prefix = argv[optind++];
2336 } else if (!strcmp(r, "p")) {
2339 qemu_host_page_size = atoi(argv[optind++]);
2340 if (qemu_host_page_size == 0 ||
2341 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
2342 fprintf(stderr, "page size must be a power of two\n");
2345 } else if (!strcmp(r, "g")) {
2348 gdbstub_port = atoi(argv[optind++]);
2349 } else if (!strcmp(r, "r")) {
2350 qemu_uname_release = argv[optind++];
2351 } else if (!strcmp(r, "cpu")) {
2352 cpu_model = argv[optind++];
2353 if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) {
2354 /* XXX: implement xxx_cpu_list for targets that still miss it */
2355 #if defined(cpu_list)
2356 cpu_list(stdout, &fprintf);
2360 } else if (!strcmp(r, "drop-ld-preload")) {
2361 (void) envlist_unsetenv(envlist, "LD_PRELOAD");
2362 } else if (!strcmp(r, "strace")) {
2371 filename = argv[optind];
2372 exec_path = argv[optind];
2375 memset(regs, 0, sizeof(struct target_pt_regs));
2377 /* Zero out image_info */
2378 memset(info, 0, sizeof(struct image_info));
2380 /* Scan interp_prefix dir for replacement files. */
2381 init_paths(interp_prefix);
2383 if (cpu_model == NULL) {
2384 #if defined(TARGET_I386)
2385 #ifdef TARGET_X86_64
2386 cpu_model = "qemu64";
2388 cpu_model = "qemu32";
2390 #elif defined(TARGET_ARM)
2391 cpu_model = "arm926";
2392 #elif defined(TARGET_M68K)
2394 #elif defined(TARGET_SPARC)
2395 #ifdef TARGET_SPARC64
2396 cpu_model = "TI UltraSparc II";
2398 cpu_model = "Fujitsu MB86904";
2400 #elif defined(TARGET_MIPS)
2401 #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
2406 #elif defined(TARGET_PPC)
2416 cpu_exec_init_all(0);
2417 /* NOTE: we need to init the CPU at this stage to get
2418 qemu_host_page_size */
2419 env = cpu_init(cpu_model);
2421 fprintf(stderr, "Unable to find CPU definition\n");
2426 if (getenv("QEMU_STRACE")) {
2430 target_environ = envlist_to_environ(envlist, NULL);
2431 envlist_free(envlist);
2433 if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) {
2434 printf("Error loading %s\n", filename);
2438 for (wrk = target_environ; *wrk; wrk++) {
2442 free(target_environ);
2444 if (qemu_log_enabled()) {
2447 qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
2448 qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code);
2449 qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n",
2451 qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n",
2453 qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data);
2454 qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n",
2456 qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk);
2457 qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry);
2460 target_set_brk(info->brk);
2464 /* build Task State */
2465 memset(ts, 0, sizeof(TaskState));
2466 init_task_state(ts);
2470 #if defined(TARGET_I386)
2471 cpu_x86_set_cpl(env, 3);
2473 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
2474 env->hflags |= HF_PE_MASK;
2475 if (env->cpuid_features & CPUID_SSE) {
2476 env->cr[4] |= CR4_OSFXSR_MASK;
2477 env->hflags |= HF_OSFXSR_MASK;
2479 #ifndef TARGET_ABI32
2480 /* enable 64 bit mode if possible */
2481 if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) {
2482 fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n");
2485 env->cr[4] |= CR4_PAE_MASK;
2486 env->efer |= MSR_EFER_LMA | MSR_EFER_LME;
2487 env->hflags |= HF_LMA_MASK;
2490 /* flags setup : we activate the IRQs by default as in user mode */
2491 env->eflags |= IF_MASK;
2493 /* linux register setup */
2494 #ifndef TARGET_ABI32
2495 env->regs[R_EAX] = regs->rax;
2496 env->regs[R_EBX] = regs->rbx;
2497 env->regs[R_ECX] = regs->rcx;
2498 env->regs[R_EDX] = regs->rdx;
2499 env->regs[R_ESI] = regs->rsi;
2500 env->regs[R_EDI] = regs->rdi;
2501 env->regs[R_EBP] = regs->rbp;
2502 env->regs[R_ESP] = regs->rsp;
2503 env->eip = regs->rip;
2505 env->regs[R_EAX] = regs->eax;
2506 env->regs[R_EBX] = regs->ebx;
2507 env->regs[R_ECX] = regs->ecx;
2508 env->regs[R_EDX] = regs->edx;
2509 env->regs[R_ESI] = regs->esi;
2510 env->regs[R_EDI] = regs->edi;
2511 env->regs[R_EBP] = regs->ebp;
2512 env->regs[R_ESP] = regs->esp;
2513 env->eip = regs->eip;
2516 /* linux interrupt setup */
2517 #ifndef TARGET_ABI32
2518 env->idt.limit = 511;
2520 env->idt.limit = 255;
2522 env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),
2523 PROT_READ|PROT_WRITE,
2524 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2525 idt_table = g2h(env->idt.base);
2548 /* linux segment setup */
2550 uint64_t *gdt_table;
2551 env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
2552 PROT_READ|PROT_WRITE,
2553 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2554 env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;
2555 gdt_table = g2h(env->gdt.base);
2557 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2558 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2559 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2561 /* 64 bit code segment */
2562 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2563 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2565 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2567 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
2568 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2569 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
2571 cpu_x86_load_seg(env, R_CS, __USER_CS);
2572 cpu_x86_load_seg(env, R_SS, __USER_DS);
2574 cpu_x86_load_seg(env, R_DS, __USER_DS);
2575 cpu_x86_load_seg(env, R_ES, __USER_DS);
2576 cpu_x86_load_seg(env, R_FS, __USER_DS);
2577 cpu_x86_load_seg(env, R_GS, __USER_DS);
2578 /* This hack makes Wine work... */
2579 env->segs[R_FS].selector = 0;
2581 cpu_x86_load_seg(env, R_DS, 0);
2582 cpu_x86_load_seg(env, R_ES, 0);
2583 cpu_x86_load_seg(env, R_FS, 0);
2584 cpu_x86_load_seg(env, R_GS, 0);
2586 #elif defined(TARGET_ARM)
2589 cpsr_write(env, regs->uregs[16], 0xffffffff);
2590 for(i = 0; i < 16; i++) {
2591 env->regs[i] = regs->uregs[i];
2594 #elif defined(TARGET_SPARC)
2598 env->npc = regs->npc;
2600 for(i = 0; i < 8; i++)
2601 env->gregs[i] = regs->u_regs[i];
2602 for(i = 0; i < 8; i++)
2603 env->regwptr[i] = regs->u_regs[i + 8];
2605 #elif defined(TARGET_PPC)
2609 #if defined(TARGET_PPC64)
2610 #if defined(TARGET_ABI32)
2611 env->msr &= ~((target_ulong)1 << MSR_SF);
2613 env->msr |= (target_ulong)1 << MSR_SF;
2616 env->nip = regs->nip;
2617 for(i = 0; i < 32; i++) {
2618 env->gpr[i] = regs->gpr[i];
2621 #elif defined(TARGET_M68K)
2624 env->dregs[0] = regs->d0;
2625 env->dregs[1] = regs->d1;
2626 env->dregs[2] = regs->d2;
2627 env->dregs[3] = regs->d3;
2628 env->dregs[4] = regs->d4;
2629 env->dregs[5] = regs->d5;
2630 env->dregs[6] = regs->d6;
2631 env->dregs[7] = regs->d7;
2632 env->aregs[0] = regs->a0;
2633 env->aregs[1] = regs->a1;
2634 env->aregs[2] = regs->a2;
2635 env->aregs[3] = regs->a3;
2636 env->aregs[4] = regs->a4;
2637 env->aregs[5] = regs->a5;
2638 env->aregs[6] = regs->a6;
2639 env->aregs[7] = regs->usp;
2641 ts->sim_syscalls = 1;
2643 #elif defined(TARGET_MIPS)
2647 for(i = 0; i < 32; i++) {
2648 env->active_tc.gpr[i] = regs->regs[i];
2650 env->active_tc.PC = regs->cp0_epc;
2652 #elif defined(TARGET_SH4)
2656 for(i = 0; i < 16; i++) {
2657 env->gregs[i] = regs->regs[i];
2661 #elif defined(TARGET_ALPHA)
2665 for(i = 0; i < 28; i++) {
2666 env->ir[i] = ((abi_ulong *)regs)[i];
2668 env->ipr[IPR_USP] = regs->usp;
2669 env->ir[30] = regs->usp;
2671 env->unique = regs->unique;
2673 #elif defined(TARGET_CRIS)
2675 env->regs[0] = regs->r0;
2676 env->regs[1] = regs->r1;
2677 env->regs[2] = regs->r2;
2678 env->regs[3] = regs->r3;
2679 env->regs[4] = regs->r4;
2680 env->regs[5] = regs->r5;
2681 env->regs[6] = regs->r6;
2682 env->regs[7] = regs->r7;
2683 env->regs[8] = regs->r8;
2684 env->regs[9] = regs->r9;
2685 env->regs[10] = regs->r10;
2686 env->regs[11] = regs->r11;
2687 env->regs[12] = regs->r12;
2688 env->regs[13] = regs->r13;
2689 env->regs[14] = info->start_stack;
2690 env->regs[15] = regs->acr;
2691 env->pc = regs->erp;
2694 #error unsupported target CPU
2697 #if defined(TARGET_ARM) || defined(TARGET_M68K)
2698 ts->stack_base = info->start_stack;
2699 ts->heap_base = info->brk;
2700 /* This will be filled in on the first SYS_HEAPINFO call. */
2705 gdbserver_start (gdbstub_port);
2706 gdb_handlesig(env, 0);