4 * Copyright (c) 2003 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., 675 Mass Ave, Cambridge, MA 02139, USA.
29 #define DEBUG_LOGFILE "/tmp/qemu.log"
32 #include <crt_externs.h>
33 # define environ (*_NSGetEnviron())
36 static const char *interp_prefix = CONFIG_QEMU_PREFIX;
37 const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
39 #if defined(__i386__) && !defined(CONFIG_STATIC)
40 /* Force usage of an ELF interpreter even if it is an ELF shared
42 const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
45 /* for recent libc, we add these dummy symbols which are not declared
46 when generating a linked object (bug in ld ?) */
47 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
48 long __preinit_array_start[0];
49 long __preinit_array_end[0];
50 long __init_array_start[0];
51 long __init_array_end[0];
52 long __fini_array_start[0];
53 long __fini_array_end[0];
56 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
57 we allocate a bigger stack. Need a better solution, for example
58 by remapping the process stack directly at the right place */
59 unsigned long x86_stack_size = 512 * 1024;
61 void gemu_log(const char *fmt, ...)
66 vfprintf(stderr, fmt, ap);
70 void cpu_outb(CPUState *env, int addr, int val)
72 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
75 void cpu_outw(CPUState *env, int addr, int val)
77 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
80 void cpu_outl(CPUState *env, int addr, int val)
82 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
85 int cpu_inb(CPUState *env, int addr)
87 fprintf(stderr, "inb: port=0x%04x\n", addr);
91 int cpu_inw(CPUState *env, int addr)
93 fprintf(stderr, "inw: port=0x%04x\n", addr);
97 int cpu_inl(CPUState *env, int addr)
99 fprintf(stderr, "inl: port=0x%04x\n", addr);
103 int cpu_get_pic_interrupt(CPUState *env)
108 /* timers for rdtsc */
112 static uint64_t emu_time;
114 int64_t cpu_get_real_ticks(void)
122 /***********************************************************/
123 /* CPUX86 core interface */
125 void cpu_smm_update(CPUState *env)
129 uint64_t cpu_get_tsc(CPUX86State *env)
131 return cpu_get_real_ticks();
134 static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
139 e1 = (addr << 16) | (limit & 0xffff);
140 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
147 static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
148 unsigned long addr, unsigned int sel)
152 e1 = (addr & 0xffff) | (sel << 16);
153 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
159 uint64_t gdt_table[6];
160 uint64_t idt_table[256];
162 /* only dpl matters as we do only user space emulation */
163 static void set_idt(int n, unsigned int dpl)
165 set_gate(idt_table + n, 0, dpl, 0, 0);
168 void cpu_loop(CPUX86State *env)
172 target_siginfo_t info;
175 trapnr = cpu_x86_exec(env);
179 env->regs[R_EAX] = do_syscall(env,
190 info.si_signo = SIGBUS;
192 info.si_code = TARGET_SI_KERNEL;
193 info._sifields._sigfault._addr = 0;
194 queue_signal(info.si_signo, &info);
197 if (env->eflags & VM_MASK) {
198 handle_vm86_fault(env);
200 info.si_signo = SIGSEGV;
202 info.si_code = TARGET_SI_KERNEL;
203 info._sifields._sigfault._addr = 0;
204 queue_signal(info.si_signo, &info);
208 info.si_signo = SIGSEGV;
210 if (!(env->error_code & 1))
211 info.si_code = TARGET_SEGV_MAPERR;
213 info.si_code = TARGET_SEGV_ACCERR;
214 info._sifields._sigfault._addr = env->cr[2];
215 queue_signal(info.si_signo, &info);
218 if (env->eflags & VM_MASK) {
219 handle_vm86_trap(env, trapnr);
221 /* division by zero */
222 info.si_signo = SIGFPE;
224 info.si_code = TARGET_FPE_INTDIV;
225 info._sifields._sigfault._addr = env->eip;
226 queue_signal(info.si_signo, &info);
231 if (env->eflags & VM_MASK) {
232 handle_vm86_trap(env, trapnr);
234 info.si_signo = SIGTRAP;
236 if (trapnr == EXCP01_SSTP) {
237 info.si_code = TARGET_TRAP_BRKPT;
238 info._sifields._sigfault._addr = env->eip;
240 info.si_code = TARGET_SI_KERNEL;
241 info._sifields._sigfault._addr = 0;
243 queue_signal(info.si_signo, &info);
248 if (env->eflags & VM_MASK) {
249 handle_vm86_trap(env, trapnr);
251 info.si_signo = SIGSEGV;
253 info.si_code = TARGET_SI_KERNEL;
254 info._sifields._sigfault._addr = 0;
255 queue_signal(info.si_signo, &info);
259 info.si_signo = SIGILL;
261 info.si_code = TARGET_ILL_ILLOPN;
262 info._sifields._sigfault._addr = env->eip;
263 queue_signal(info.si_signo, &info);
266 /* just indicate that signals should be handled asap */
272 sig = gdb_handlesig (env, TARGET_SIGTRAP);
277 info.si_code = TARGET_TRAP_BRKPT;
278 queue_signal(info.si_signo, &info);
283 pc = env->segs[R_CS].base + env->eip;
284 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
288 process_pending_signals(env);
295 /* XXX: find a better solution */
296 extern void tb_invalidate_page_range(target_ulong start, target_ulong end);
298 static void arm_cache_flush(target_ulong start, target_ulong last)
300 target_ulong addr, last1;
306 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
309 tb_invalidate_page_range(addr, last1 + 1);
316 void cpu_loop(CPUARMState *env)
319 unsigned int n, insn;
320 target_siginfo_t info;
324 trapnr = cpu_arm_exec(env);
328 TaskState *ts = env->opaque;
331 /* we handle the FPU emulation here, as Linux */
332 /* we get the opcode */
333 opcode = tget32(env->regs[15]);
335 if (EmulateAll(opcode, &ts->fpa, env) == 0) {
336 info.si_signo = SIGILL;
338 info.si_code = TARGET_ILL_ILLOPN;
339 info._sifields._sigfault._addr = env->regs[15];
340 queue_signal(info.si_signo, &info);
352 if (trapnr == EXCP_BKPT) {
354 insn = tget16(env->regs[15]);
358 insn = tget32(env->regs[15]);
359 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
364 insn = tget16(env->regs[15] - 2);
367 insn = tget32(env->regs[15] - 4);
372 if (n == ARM_NR_cacheflush) {
373 arm_cache_flush(env->regs[0], env->regs[1]);
374 } else if (n == ARM_NR_semihosting
375 || n == ARM_NR_thumb_semihosting) {
376 env->regs[0] = do_arm_semihosting (env);
377 } else if (n == 0 || n >= ARM_SYSCALL_BASE
378 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
380 if (env->thumb || n == 0) {
383 n -= ARM_SYSCALL_BASE;
386 env->regs[0] = do_syscall(env,
400 /* just indicate that signals should be handled asap */
402 case EXCP_PREFETCH_ABORT:
403 addr = env->cp15.c6_data;
405 case EXCP_DATA_ABORT:
406 addr = env->cp15.c6_insn;
410 info.si_signo = SIGSEGV;
412 /* XXX: check env->error_code */
413 info.si_code = TARGET_SEGV_MAPERR;
414 info._sifields._sigfault._addr = addr;
415 queue_signal(info.si_signo, &info);
422 sig = gdb_handlesig (env, TARGET_SIGTRAP);
427 info.si_code = TARGET_TRAP_BRKPT;
428 queue_signal(info.si_signo, &info);
434 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
436 cpu_dump_state(env, stderr, fprintf, 0);
439 process_pending_signals(env);
449 /* WARNING: dealing with register windows _is_ complicated. More info
450 can be found at http://www.sics.se/~psm/sparcstack.html */
451 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
453 index = (index + cwp * 16) & (16 * NWINDOWS - 1);
454 /* wrap handling : if cwp is on the last window, then we use the
455 registers 'after' the end */
456 if (index < 8 && env->cwp == (NWINDOWS - 1))
457 index += (16 * NWINDOWS);
461 /* save the register window 'cwp1' */
462 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
467 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
468 #if defined(DEBUG_WIN)
469 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
472 for(i = 0; i < 16; i++) {
473 tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
474 sp_ptr += sizeof(target_ulong);
478 static void save_window(CPUSPARCState *env)
480 #ifndef TARGET_SPARC64
481 unsigned int new_wim;
482 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
483 ((1LL << NWINDOWS) - 1);
484 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
487 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
493 static void restore_window(CPUSPARCState *env)
495 unsigned int new_wim, i, cwp1;
498 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
499 ((1LL << NWINDOWS) - 1);
501 /* restore the invalid window */
502 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
503 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
504 #if defined(DEBUG_WIN)
505 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
508 for(i = 0; i < 16; i++) {
509 env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
510 sp_ptr += sizeof(target_ulong);
513 #ifdef TARGET_SPARC64
515 if (env->cleanwin < NWINDOWS - 1)
521 static void flush_windows(CPUSPARCState *env)
527 /* if restore would invoke restore_window(), then we can stop */
528 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
529 if (env->wim & (1 << cwp1))
531 save_window_offset(env, cwp1);
534 /* set wim so that restore will reload the registers */
535 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
536 env->wim = 1 << cwp1;
537 #if defined(DEBUG_WIN)
538 printf("flush_windows: nb=%d\n", offset - 1);
542 void cpu_loop (CPUSPARCState *env)
545 target_siginfo_t info;
548 trapnr = cpu_sparc_exec (env);
551 #ifndef TARGET_SPARC64
557 ret = do_syscall (env, env->gregs[1],
558 env->regwptr[0], env->regwptr[1],
559 env->regwptr[2], env->regwptr[3],
560 env->regwptr[4], env->regwptr[5]);
561 if ((unsigned int)ret >= (unsigned int)(-515)) {
562 #ifdef TARGET_SPARC64
563 env->xcc |= PSR_CARRY;
565 env->psr |= PSR_CARRY;
569 #ifdef TARGET_SPARC64
570 env->xcc &= ~PSR_CARRY;
572 env->psr &= ~PSR_CARRY;
575 env->regwptr[0] = ret;
576 /* next instruction */
578 env->npc = env->npc + 4;
580 case 0x83: /* flush windows */
582 /* next instruction */
584 env->npc = env->npc + 4;
586 #ifndef TARGET_SPARC64
587 case TT_WIN_OVF: /* window overflow */
590 case TT_WIN_UNF: /* window underflow */
596 info.si_signo = SIGSEGV;
598 /* XXX: check env->error_code */
599 info.si_code = TARGET_SEGV_MAPERR;
600 info._sifields._sigfault._addr = env->mmuregs[4];
601 queue_signal(info.si_signo, &info);
605 case TT_SPILL: /* window overflow */
608 case TT_FILL: /* window underflow */
614 /* just indicate that signals should be handled asap */
620 sig = gdb_handlesig (env, TARGET_SIGTRAP);
625 info.si_code = TARGET_TRAP_BRKPT;
626 queue_signal(info.si_signo, &info);
631 printf ("Unhandled trap: 0x%x\n", trapnr);
632 cpu_dump_state(env, stderr, fprintf, 0);
635 process_pending_signals (env);
643 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
649 uint32_t cpu_ppc_load_tbl (CPUState *env)
651 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
654 uint32_t cpu_ppc_load_tbu (CPUState *env)
656 return cpu_ppc_get_tb(env) >> 32;
659 static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
664 void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
666 cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
669 void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
671 cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
674 void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value)
675 __attribute__ (( alias ("cpu_ppc_store_tbu") ));
677 uint32_t cpu_ppc601_load_rtcu (CPUState *env)
678 __attribute__ (( alias ("cpu_ppc_load_tbu") ));
680 void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value)
682 cpu_ppc_store_tbl(env, value & 0x3FFFFF80);
685 uint32_t cpu_ppc601_load_rtcl (CPUState *env)
687 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
690 void cpu_loop(CPUPPCState *env)
692 target_siginfo_t info;
697 trapnr = cpu_ppc_exec(env);
698 if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
699 trapnr != EXCP_TRACE) {
701 cpu_dump_state(env, logfile, fprintf, 0);
707 case EXCP_SYSCALL_USER:
710 * PPC ABI uses overflow flag in cr0 to signal an error
714 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
715 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
718 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
719 env->gpr[5], env->gpr[6], env->gpr[7],
721 if (ret > (uint32_t)(-515)) {
727 printf("syscall returned 0x%08x (%d)\n", ret, ret);
731 /* Should not happen ! */
732 fprintf(stderr, "RESET asked... Stop emulation\n");
734 fprintf(logfile, "RESET asked... Stop emulation\n");
736 case EXCP_MACHINE_CHECK:
737 fprintf(stderr, "Machine check exeption... Stop emulation\n");
739 fprintf(logfile, "RESET asked... Stop emulation\n");
740 info.si_signo = TARGET_SIGBUS;
742 info.si_code = TARGET_BUS_OBJERR;
743 info._sifields._sigfault._addr = env->nip - 4;
744 queue_signal(info.si_signo, &info);
746 fprintf(stderr, "Invalid data memory access: 0x%08x\n",
749 fprintf(logfile, "Invalid data memory access: 0x%08x\n",
752 switch (env->error_code & 0xFF000000) {
754 info.si_signo = TARGET_SIGSEGV;
756 info.si_code = TARGET_SEGV_MAPERR;
759 info.si_signo = TARGET_SIGILL;
761 info.si_code = TARGET_ILL_ILLADR;
764 info.si_signo = TARGET_SIGSEGV;
766 info.si_code = TARGET_SEGV_ACCERR;
769 /* Let's send a regular segfault... */
770 fprintf(stderr, "Invalid segfault errno (%02x)\n",
773 fprintf(logfile, "Invalid segfault errno (%02x)\n",
776 info.si_signo = TARGET_SIGSEGV;
778 info.si_code = TARGET_SEGV_MAPERR;
781 info._sifields._sigfault._addr = env->nip;
782 queue_signal(info.si_signo, &info);
785 fprintf(stderr, "Invalid instruction fetch\n");
787 fprintf(logfile, "Invalid instruction fetch\n");
788 switch (env->error_code & 0xFF000000) {
790 info.si_signo = TARGET_SIGSEGV;
792 info.si_code = TARGET_SEGV_MAPERR;
796 info.si_signo = TARGET_SIGSEGV;
798 info.si_code = TARGET_SEGV_ACCERR;
801 /* Let's send a regular segfault... */
802 fprintf(stderr, "Invalid segfault errno (%02x)\n",
805 fprintf(logfile, "Invalid segfault errno (%02x)\n",
808 info.si_signo = TARGET_SIGSEGV;
810 info.si_code = TARGET_SEGV_MAPERR;
813 info._sifields._sigfault._addr = env->nip - 4;
814 queue_signal(info.si_signo, &info);
817 /* Should not happen ! */
818 fprintf(stderr, "External interruption... Stop emulation\n");
820 fprintf(logfile, "External interruption... Stop emulation\n");
823 fprintf(stderr, "Invalid unaligned memory access\n");
825 fprintf(logfile, "Invalid unaligned memory access\n");
826 info.si_signo = TARGET_SIGBUS;
828 info.si_code = TARGET_BUS_ADRALN;
829 info._sifields._sigfault._addr = env->nip - 4;
830 queue_signal(info.si_signo, &info);
833 switch (env->error_code & ~0xF) {
835 fprintf(stderr, "Program exception\n");
837 fprintf(logfile, "Program exception\n");
839 env->fpscr[7] |= 0x8;
840 /* Finally, update FEX */
841 if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
842 ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
843 env->fpscr[7] |= 0x4;
844 info.si_signo = TARGET_SIGFPE;
846 switch (env->error_code & 0xF) {
848 info.si_code = TARGET_FPE_FLTOVF;
851 info.si_code = TARGET_FPE_FLTUND;
855 info.si_code = TARGET_FPE_FLTDIV;
858 info.si_code = TARGET_FPE_FLTRES;
861 info.si_code = TARGET_FPE_FLTINV;
870 info.si_code = TARGET_FPE_FLTSUB;
873 fprintf(stderr, "Unknown floating point exception "
874 "(%02x)\n", env->error_code);
876 fprintf(logfile, "Unknown floating point exception "
877 "(%02x)\n", env->error_code & 0xF);
882 fprintf(stderr, "Invalid instruction\n");
884 fprintf(logfile, "Invalid instruction\n");
885 info.si_signo = TARGET_SIGILL;
887 switch (env->error_code & 0xF) {
888 case EXCP_INVAL_INVAL:
889 info.si_code = TARGET_ILL_ILLOPC;
891 case EXCP_INVAL_LSWX:
892 info.si_code = TARGET_ILL_ILLOPN;
895 info.si_code = TARGET_ILL_PRVREG;
898 info.si_code = TARGET_ILL_COPROC;
901 fprintf(stderr, "Unknown invalid operation (%02x)\n",
902 env->error_code & 0xF);
904 fprintf(logfile, "Unknown invalid operation (%02x)\n",
905 env->error_code & 0xF);
907 info.si_code = TARGET_ILL_ILLADR;
912 fprintf(stderr, "Privilege violation\n");
914 fprintf(logfile, "Privilege violation\n");
915 info.si_signo = TARGET_SIGILL;
917 switch (env->error_code & 0xF) {
919 info.si_code = TARGET_ILL_PRVOPC;
922 info.si_code = TARGET_ILL_PRVREG;
925 fprintf(stderr, "Unknown privilege violation (%02x)\n",
926 env->error_code & 0xF);
927 info.si_code = TARGET_ILL_PRVOPC;
932 fprintf(stderr, "Tried to call a TRAP\n");
934 fprintf(logfile, "Tried to call a TRAP\n");
937 /* Should not happen ! */
938 fprintf(stderr, "Unknown program exception (%02x)\n",
941 fprintf(logfile, "Unknwon program exception (%02x)\n",
946 info._sifields._sigfault._addr = env->nip - 4;
947 queue_signal(info.si_signo, &info);
950 fprintf(stderr, "No floating point allowed\n");
952 fprintf(logfile, "No floating point allowed\n");
953 info.si_signo = TARGET_SIGILL;
955 info.si_code = TARGET_ILL_COPROC;
956 info._sifields._sigfault._addr = env->nip - 4;
957 queue_signal(info.si_signo, &info);
960 /* Should not happen ! */
961 fprintf(stderr, "Decrementer exception\n");
963 fprintf(logfile, "Decrementer exception\n");
966 /* Do nothing: we use this to trace execution */
969 /* Should not happen ! */
970 fprintf(stderr, "Floating point assist exception\n");
972 fprintf(logfile, "Floating point assist exception\n");
975 /* We reloaded the msr, just go on */
977 fprintf(stderr, "Tried to go into supervisor mode !\n");
979 fprintf(logfile, "Tried to go into supervisor mode !\n");
984 /* We stopped because of a jump... */
987 /* Don't know why this should ever happen... */
993 sig = gdb_handlesig (env, TARGET_SIGTRAP);
998 info.si_code = TARGET_TRAP_BRKPT;
999 queue_signal(info.si_signo, &info);
1004 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1007 fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
1008 "0x%02x - aborting\n", trapnr, env->error_code);
1012 process_pending_signals(env);
1019 #define MIPS_SYS(name, args) args,
1021 static const uint8_t mips_syscall_args[] = {
1022 MIPS_SYS(sys_syscall , 0) /* 4000 */
1023 MIPS_SYS(sys_exit , 1)
1024 MIPS_SYS(sys_fork , 0)
1025 MIPS_SYS(sys_read , 3)
1026 MIPS_SYS(sys_write , 3)
1027 MIPS_SYS(sys_open , 3) /* 4005 */
1028 MIPS_SYS(sys_close , 1)
1029 MIPS_SYS(sys_waitpid , 3)
1030 MIPS_SYS(sys_creat , 2)
1031 MIPS_SYS(sys_link , 2)
1032 MIPS_SYS(sys_unlink , 1) /* 4010 */
1033 MIPS_SYS(sys_execve , 0)
1034 MIPS_SYS(sys_chdir , 1)
1035 MIPS_SYS(sys_time , 1)
1036 MIPS_SYS(sys_mknod , 3)
1037 MIPS_SYS(sys_chmod , 2) /* 4015 */
1038 MIPS_SYS(sys_lchown , 3)
1039 MIPS_SYS(sys_ni_syscall , 0)
1040 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1041 MIPS_SYS(sys_lseek , 3)
1042 MIPS_SYS(sys_getpid , 0) /* 4020 */
1043 MIPS_SYS(sys_mount , 5)
1044 MIPS_SYS(sys_oldumount , 1)
1045 MIPS_SYS(sys_setuid , 1)
1046 MIPS_SYS(sys_getuid , 0)
1047 MIPS_SYS(sys_stime , 1) /* 4025 */
1048 MIPS_SYS(sys_ptrace , 4)
1049 MIPS_SYS(sys_alarm , 1)
1050 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1051 MIPS_SYS(sys_pause , 0)
1052 MIPS_SYS(sys_utime , 2) /* 4030 */
1053 MIPS_SYS(sys_ni_syscall , 0)
1054 MIPS_SYS(sys_ni_syscall , 0)
1055 MIPS_SYS(sys_access , 2)
1056 MIPS_SYS(sys_nice , 1)
1057 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1058 MIPS_SYS(sys_sync , 0)
1059 MIPS_SYS(sys_kill , 2)
1060 MIPS_SYS(sys_rename , 2)
1061 MIPS_SYS(sys_mkdir , 2)
1062 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1063 MIPS_SYS(sys_dup , 1)
1064 MIPS_SYS(sys_pipe , 0)
1065 MIPS_SYS(sys_times , 1)
1066 MIPS_SYS(sys_ni_syscall , 0)
1067 MIPS_SYS(sys_brk , 1) /* 4045 */
1068 MIPS_SYS(sys_setgid , 1)
1069 MIPS_SYS(sys_getgid , 0)
1070 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1071 MIPS_SYS(sys_geteuid , 0)
1072 MIPS_SYS(sys_getegid , 0) /* 4050 */
1073 MIPS_SYS(sys_acct , 0)
1074 MIPS_SYS(sys_umount , 2)
1075 MIPS_SYS(sys_ni_syscall , 0)
1076 MIPS_SYS(sys_ioctl , 3)
1077 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1078 MIPS_SYS(sys_ni_syscall , 2)
1079 MIPS_SYS(sys_setpgid , 2)
1080 MIPS_SYS(sys_ni_syscall , 0)
1081 MIPS_SYS(sys_olduname , 1)
1082 MIPS_SYS(sys_umask , 1) /* 4060 */
1083 MIPS_SYS(sys_chroot , 1)
1084 MIPS_SYS(sys_ustat , 2)
1085 MIPS_SYS(sys_dup2 , 2)
1086 MIPS_SYS(sys_getppid , 0)
1087 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1088 MIPS_SYS(sys_setsid , 0)
1089 MIPS_SYS(sys_sigaction , 3)
1090 MIPS_SYS(sys_sgetmask , 0)
1091 MIPS_SYS(sys_ssetmask , 1)
1092 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1093 MIPS_SYS(sys_setregid , 2)
1094 MIPS_SYS(sys_sigsuspend , 0)
1095 MIPS_SYS(sys_sigpending , 1)
1096 MIPS_SYS(sys_sethostname , 2)
1097 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1098 MIPS_SYS(sys_getrlimit , 2)
1099 MIPS_SYS(sys_getrusage , 2)
1100 MIPS_SYS(sys_gettimeofday, 2)
1101 MIPS_SYS(sys_settimeofday, 2)
1102 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1103 MIPS_SYS(sys_setgroups , 2)
1104 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1105 MIPS_SYS(sys_symlink , 2)
1106 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1107 MIPS_SYS(sys_readlink , 3) /* 4085 */
1108 MIPS_SYS(sys_uselib , 1)
1109 MIPS_SYS(sys_swapon , 2)
1110 MIPS_SYS(sys_reboot , 3)
1111 MIPS_SYS(old_readdir , 3)
1112 MIPS_SYS(old_mmap , 6) /* 4090 */
1113 MIPS_SYS(sys_munmap , 2)
1114 MIPS_SYS(sys_truncate , 2)
1115 MIPS_SYS(sys_ftruncate , 2)
1116 MIPS_SYS(sys_fchmod , 2)
1117 MIPS_SYS(sys_fchown , 3) /* 4095 */
1118 MIPS_SYS(sys_getpriority , 2)
1119 MIPS_SYS(sys_setpriority , 3)
1120 MIPS_SYS(sys_ni_syscall , 0)
1121 MIPS_SYS(sys_statfs , 2)
1122 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1123 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1124 MIPS_SYS(sys_socketcall , 2)
1125 MIPS_SYS(sys_syslog , 3)
1126 MIPS_SYS(sys_setitimer , 3)
1127 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1128 MIPS_SYS(sys_newstat , 2)
1129 MIPS_SYS(sys_newlstat , 2)
1130 MIPS_SYS(sys_newfstat , 2)
1131 MIPS_SYS(sys_uname , 1)
1132 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1133 MIPS_SYS(sys_vhangup , 0)
1134 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1135 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1136 MIPS_SYS(sys_wait4 , 4)
1137 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1138 MIPS_SYS(sys_sysinfo , 1)
1139 MIPS_SYS(sys_ipc , 6)
1140 MIPS_SYS(sys_fsync , 1)
1141 MIPS_SYS(sys_sigreturn , 0)
1142 MIPS_SYS(sys_clone , 0) /* 4120 */
1143 MIPS_SYS(sys_setdomainname, 2)
1144 MIPS_SYS(sys_newuname , 1)
1145 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1146 MIPS_SYS(sys_adjtimex , 1)
1147 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1148 MIPS_SYS(sys_sigprocmask , 3)
1149 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1150 MIPS_SYS(sys_init_module , 5)
1151 MIPS_SYS(sys_delete_module, 1)
1152 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1153 MIPS_SYS(sys_quotactl , 0)
1154 MIPS_SYS(sys_getpgid , 1)
1155 MIPS_SYS(sys_fchdir , 1)
1156 MIPS_SYS(sys_bdflush , 2)
1157 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1158 MIPS_SYS(sys_personality , 1)
1159 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1160 MIPS_SYS(sys_setfsuid , 1)
1161 MIPS_SYS(sys_setfsgid , 1)
1162 MIPS_SYS(sys_llseek , 5) /* 4140 */
1163 MIPS_SYS(sys_getdents , 3)
1164 MIPS_SYS(sys_select , 5)
1165 MIPS_SYS(sys_flock , 2)
1166 MIPS_SYS(sys_msync , 3)
1167 MIPS_SYS(sys_readv , 3) /* 4145 */
1168 MIPS_SYS(sys_writev , 3)
1169 MIPS_SYS(sys_cacheflush , 3)
1170 MIPS_SYS(sys_cachectl , 3)
1171 MIPS_SYS(sys_sysmips , 4)
1172 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1173 MIPS_SYS(sys_getsid , 1)
1174 MIPS_SYS(sys_fdatasync , 0)
1175 MIPS_SYS(sys_sysctl , 1)
1176 MIPS_SYS(sys_mlock , 2)
1177 MIPS_SYS(sys_munlock , 2) /* 4155 */
1178 MIPS_SYS(sys_mlockall , 1)
1179 MIPS_SYS(sys_munlockall , 0)
1180 MIPS_SYS(sys_sched_setparam, 2)
1181 MIPS_SYS(sys_sched_getparam, 2)
1182 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1183 MIPS_SYS(sys_sched_getscheduler, 1)
1184 MIPS_SYS(sys_sched_yield , 0)
1185 MIPS_SYS(sys_sched_get_priority_max, 1)
1186 MIPS_SYS(sys_sched_get_priority_min, 1)
1187 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1188 MIPS_SYS(sys_nanosleep, 2)
1189 MIPS_SYS(sys_mremap , 4)
1190 MIPS_SYS(sys_accept , 3)
1191 MIPS_SYS(sys_bind , 3)
1192 MIPS_SYS(sys_connect , 3) /* 4170 */
1193 MIPS_SYS(sys_getpeername , 3)
1194 MIPS_SYS(sys_getsockname , 3)
1195 MIPS_SYS(sys_getsockopt , 5)
1196 MIPS_SYS(sys_listen , 2)
1197 MIPS_SYS(sys_recv , 4) /* 4175 */
1198 MIPS_SYS(sys_recvfrom , 6)
1199 MIPS_SYS(sys_recvmsg , 3)
1200 MIPS_SYS(sys_send , 4)
1201 MIPS_SYS(sys_sendmsg , 3)
1202 MIPS_SYS(sys_sendto , 6) /* 4180 */
1203 MIPS_SYS(sys_setsockopt , 5)
1204 MIPS_SYS(sys_shutdown , 2)
1205 MIPS_SYS(sys_socket , 3)
1206 MIPS_SYS(sys_socketpair , 4)
1207 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1208 MIPS_SYS(sys_getresuid , 3)
1209 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1210 MIPS_SYS(sys_poll , 3)
1211 MIPS_SYS(sys_nfsservctl , 3)
1212 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1213 MIPS_SYS(sys_getresgid , 3)
1214 MIPS_SYS(sys_prctl , 5)
1215 MIPS_SYS(sys_rt_sigreturn, 0)
1216 MIPS_SYS(sys_rt_sigaction, 4)
1217 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1218 MIPS_SYS(sys_rt_sigpending, 2)
1219 MIPS_SYS(sys_rt_sigtimedwait, 4)
1220 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1221 MIPS_SYS(sys_rt_sigsuspend, 0)
1222 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1223 MIPS_SYS(sys_pwrite64 , 6)
1224 MIPS_SYS(sys_chown , 3)
1225 MIPS_SYS(sys_getcwd , 2)
1226 MIPS_SYS(sys_capget , 2)
1227 MIPS_SYS(sys_capset , 2) /* 4205 */
1228 MIPS_SYS(sys_sigaltstack , 0)
1229 MIPS_SYS(sys_sendfile , 4)
1230 MIPS_SYS(sys_ni_syscall , 0)
1231 MIPS_SYS(sys_ni_syscall , 0)
1232 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1233 MIPS_SYS(sys_truncate64 , 4)
1234 MIPS_SYS(sys_ftruncate64 , 4)
1235 MIPS_SYS(sys_stat64 , 2)
1236 MIPS_SYS(sys_lstat64 , 2)
1237 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1238 MIPS_SYS(sys_pivot_root , 2)
1239 MIPS_SYS(sys_mincore , 3)
1240 MIPS_SYS(sys_madvise , 3)
1241 MIPS_SYS(sys_getdents64 , 3)
1242 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1243 MIPS_SYS(sys_ni_syscall , 0)
1244 MIPS_SYS(sys_gettid , 0)
1245 MIPS_SYS(sys_readahead , 5)
1246 MIPS_SYS(sys_setxattr , 5)
1247 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1248 MIPS_SYS(sys_fsetxattr , 5)
1249 MIPS_SYS(sys_getxattr , 4)
1250 MIPS_SYS(sys_lgetxattr , 4)
1251 MIPS_SYS(sys_fgetxattr , 4)
1252 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1253 MIPS_SYS(sys_llistxattr , 3)
1254 MIPS_SYS(sys_flistxattr , 3)
1255 MIPS_SYS(sys_removexattr , 2)
1256 MIPS_SYS(sys_lremovexattr, 2)
1257 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1258 MIPS_SYS(sys_tkill , 2)
1259 MIPS_SYS(sys_sendfile64 , 5)
1260 MIPS_SYS(sys_futex , 2)
1261 MIPS_SYS(sys_sched_setaffinity, 3)
1262 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1263 MIPS_SYS(sys_io_setup , 2)
1264 MIPS_SYS(sys_io_destroy , 1)
1265 MIPS_SYS(sys_io_getevents, 5)
1266 MIPS_SYS(sys_io_submit , 3)
1267 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1268 MIPS_SYS(sys_exit_group , 1)
1269 MIPS_SYS(sys_lookup_dcookie, 3)
1270 MIPS_SYS(sys_epoll_create, 1)
1271 MIPS_SYS(sys_epoll_ctl , 4)
1272 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1273 MIPS_SYS(sys_remap_file_pages, 5)
1274 MIPS_SYS(sys_set_tid_address, 1)
1275 MIPS_SYS(sys_restart_syscall, 0)
1276 MIPS_SYS(sys_fadvise64_64, 7)
1277 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1278 MIPS_SYS(sys_fstatfs64 , 2)
1279 MIPS_SYS(sys_timer_create, 3)
1280 MIPS_SYS(sys_timer_settime, 4)
1281 MIPS_SYS(sys_timer_gettime, 2)
1282 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1283 MIPS_SYS(sys_timer_delete, 1)
1284 MIPS_SYS(sys_clock_settime, 2)
1285 MIPS_SYS(sys_clock_gettime, 2)
1286 MIPS_SYS(sys_clock_getres, 2)
1287 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1288 MIPS_SYS(sys_tgkill , 3)
1289 MIPS_SYS(sys_utimes , 2)
1290 MIPS_SYS(sys_mbind , 4)
1291 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1292 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1293 MIPS_SYS(sys_mq_open , 4)
1294 MIPS_SYS(sys_mq_unlink , 1)
1295 MIPS_SYS(sys_mq_timedsend, 5)
1296 MIPS_SYS(sys_mq_timedreceive, 5)
1297 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1298 MIPS_SYS(sys_mq_getsetattr, 3)
1299 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1300 MIPS_SYS(sys_waitid , 4)
1301 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1302 MIPS_SYS(sys_add_key , 5)
1303 MIPS_SYS(sys_request_key , 4)
1304 MIPS_SYS(sys_keyctl , 5)
1305 MIPS_SYS(sys_set_thread_area, 1)
1310 void cpu_loop(CPUMIPSState *env)
1312 target_siginfo_t info;
1313 int trapnr, ret, nb_args;
1314 unsigned int syscall_num;
1315 target_ulong arg5, arg6, sp_reg;
1318 trapnr = cpu_mips_exec(env);
1322 syscall_num = env->gpr[2] - 4000;
1324 if (syscall_num >= sizeof(mips_syscall_args)) {
1327 nb_args = mips_syscall_args[syscall_num];
1329 sp_reg = env->gpr[29];
1330 /* these arguments are taken from the stack */
1331 arg5 = tgetl(sp_reg + 16);
1333 arg6 = tgetl(sp_reg + 20);
1341 ret = do_syscall(env,
1350 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1351 env->gpr[7] = 1; /* error flag */
1356 env->gpr[7] = 0; /* error flag */
1365 info.si_signo = TARGET_SIGILL;
1368 queue_signal(info.si_signo, &info);
1370 case EXCP_INTERRUPT:
1371 /* just indicate that signals should be handled asap */
1377 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1380 info.si_signo = sig;
1382 info.si_code = TARGET_TRAP_BRKPT;
1383 queue_signal(info.si_signo, &info);
1389 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1391 cpu_dump_state(env, stderr, fprintf, 0);
1394 process_pending_signals(env);
1400 void cpu_loop (CPUState *env)
1403 target_siginfo_t info;
1406 trapnr = cpu_sh4_exec (env);
1410 ret = do_syscall(env,
1418 env->gregs[0] = ret;
1425 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1428 info.si_signo = sig;
1430 info.si_code = TARGET_TRAP_BRKPT;
1431 queue_signal(info.si_signo, &info);
1436 printf ("Unhandled trap: 0x%x\n", trapnr);
1437 cpu_dump_state(env, stderr, fprintf, 0);
1440 process_pending_signals (env);
1447 void cpu_loop(CPUM68KState *env)
1451 target_siginfo_t info;
1452 TaskState *ts = env->opaque;
1455 trapnr = cpu_m68k_exec(env);
1459 if (ts->sim_syscalls) {
1461 nr = lduw(env->pc + 2);
1463 do_m68k_simcall(env, nr);
1470 /* Semihosing syscall. */
1472 do_m68k_semihosting(env, env->dregs[0]);
1476 case EXCP_UNSUPPORTED:
1478 info.si_signo = SIGILL;
1480 info.si_code = TARGET_ILL_ILLOPN;
1481 info._sifields._sigfault._addr = env->pc;
1482 queue_signal(info.si_signo, &info);
1486 ts->sim_syscalls = 0;
1489 env->dregs[0] = do_syscall(env,
1499 case EXCP_INTERRUPT:
1500 /* just indicate that signals should be handled asap */
1504 info.si_signo = SIGSEGV;
1506 /* XXX: check env->error_code */
1507 info.si_code = TARGET_SEGV_MAPERR;
1508 info._sifields._sigfault._addr = env->mmu.ar;
1509 queue_signal(info.si_signo, &info);
1516 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1519 info.si_signo = sig;
1521 info.si_code = TARGET_TRAP_BRKPT;
1522 queue_signal(info.si_signo, &info);
1527 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1529 cpu_dump_state(env, stderr, fprintf, 0);
1532 process_pending_signals(env);
1535 #endif /* TARGET_M68K */
1539 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
1540 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n"
1541 "Linux CPU emulator (compiled for %s emulation)\n"
1543 "-h print this help\n"
1544 "-g port wait gdb connection to port\n"
1545 "-L path set the elf interpreter prefix (default=%s)\n"
1546 "-s size set the stack size in bytes (default=%ld)\n"
1547 "-cpu model select CPU (-cpu ? for list)\n"
1550 #ifdef USE_CODE_COPY
1551 "-no-code-copy disable code copy acceleration\n"
1553 "-d options activate log (logfile=%s)\n"
1554 "-p pagesize set the host page size to 'pagesize'\n",
1562 /* XXX: currently only used for async signals (see signal.c) */
1563 CPUState *global_env;
1565 /* used to free thread contexts */
1566 TaskState *first_task_state;
1568 int main(int argc, char **argv)
1570 const char *filename;
1571 const char *cpu_model;
1572 struct target_pt_regs regs1, *regs = ®s1;
1573 struct image_info info1, *info = &info1;
1574 TaskState ts1, *ts = &ts1;
1578 int gdbstub_port = 0;
1584 cpu_set_log_filename(DEBUG_LOGFILE);
1596 if (!strcmp(r, "-")) {
1598 } else if (!strcmp(r, "d")) {
1606 mask = cpu_str_to_log_mask(r);
1608 printf("Log items (comma separated):\n");
1609 for(item = cpu_log_items; item->mask != 0; item++) {
1610 printf("%-10s %s\n", item->name, item->help);
1615 } else if (!strcmp(r, "s")) {
1617 x86_stack_size = strtol(r, (char **)&r, 0);
1618 if (x86_stack_size <= 0)
1621 x86_stack_size *= 1024 * 1024;
1622 else if (*r == 'k' || *r == 'K')
1623 x86_stack_size *= 1024;
1624 } else if (!strcmp(r, "L")) {
1625 interp_prefix = argv[optind++];
1626 } else if (!strcmp(r, "p")) {
1627 qemu_host_page_size = atoi(argv[optind++]);
1628 if (qemu_host_page_size == 0 ||
1629 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
1630 fprintf(stderr, "page size must be a power of two\n");
1633 } else if (!strcmp(r, "g")) {
1634 gdbstub_port = atoi(argv[optind++]);
1635 } else if (!strcmp(r, "r")) {
1636 qemu_uname_release = argv[optind++];
1637 } else if (!strcmp(r, "cpu")) {
1638 cpu_model = argv[optind++];
1639 if (strcmp(cpu_model, "?") == 0) {
1640 #if defined(TARGET_PPC)
1641 ppc_cpu_list(stdout, &fprintf);
1642 #elif defined(TARGET_ARM)
1644 #elif defined(TARGET_MIPS)
1645 mips_cpu_list(stdout, &fprintf);
1650 #ifdef USE_CODE_COPY
1651 if (!strcmp(r, "no-code-copy")) {
1652 code_copy_enabled = 0;
1661 filename = argv[optind];
1664 memset(regs, 0, sizeof(struct target_pt_regs));
1666 /* Zero out image_info */
1667 memset(info, 0, sizeof(struct image_info));
1669 /* Scan interp_prefix dir for replacement files. */
1670 init_paths(interp_prefix);
1672 /* NOTE: we need to init the CPU at this stage to get
1673 qemu_host_page_size */
1677 if (loader_exec(filename, argv+optind, environ, regs, info) != 0) {
1678 printf("Error loading %s\n", filename);
1685 fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
1686 fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
1687 fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
1688 fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
1689 fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
1690 fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
1691 fprintf(logfile, "brk 0x%08lx\n" , info->brk);
1692 fprintf(logfile, "entry 0x%08lx\n" , info->entry);
1695 target_set_brk(info->brk);
1699 /* build Task State */
1700 memset(ts, 0, sizeof(TaskState));
1704 env->user_mode_only = 1;
1706 #if defined(TARGET_I386)
1707 cpu_x86_set_cpl(env, 3);
1709 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1710 env->hflags |= HF_PE_MASK;
1711 if (env->cpuid_features & CPUID_SSE) {
1712 env->cr[4] |= CR4_OSFXSR_MASK;
1713 env->hflags |= HF_OSFXSR_MASK;
1716 /* flags setup : we activate the IRQs by default as in user mode */
1717 env->eflags |= IF_MASK;
1719 /* linux register setup */
1720 env->regs[R_EAX] = regs->eax;
1721 env->regs[R_EBX] = regs->ebx;
1722 env->regs[R_ECX] = regs->ecx;
1723 env->regs[R_EDX] = regs->edx;
1724 env->regs[R_ESI] = regs->esi;
1725 env->regs[R_EDI] = regs->edi;
1726 env->regs[R_EBP] = regs->ebp;
1727 env->regs[R_ESP] = regs->esp;
1728 env->eip = regs->eip;
1730 /* linux interrupt setup */
1731 env->idt.base = h2g(idt_table);
1732 env->idt.limit = sizeof(idt_table) - 1;
1755 /* linux segment setup */
1756 env->gdt.base = h2g(gdt_table);
1757 env->gdt.limit = sizeof(gdt_table) - 1;
1758 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
1759 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1760 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
1761 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
1762 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1763 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
1764 cpu_x86_load_seg(env, R_CS, __USER_CS);
1765 cpu_x86_load_seg(env, R_DS, __USER_DS);
1766 cpu_x86_load_seg(env, R_ES, __USER_DS);
1767 cpu_x86_load_seg(env, R_SS, __USER_DS);
1768 cpu_x86_load_seg(env, R_FS, __USER_DS);
1769 cpu_x86_load_seg(env, R_GS, __USER_DS);
1771 #elif defined(TARGET_ARM)
1774 if (cpu_model == NULL)
1775 cpu_model = "arm926";
1776 cpu_arm_set_model(env, cpu_model);
1777 cpsr_write(env, regs->uregs[16], 0xffffffff);
1778 for(i = 0; i < 16; i++) {
1779 env->regs[i] = regs->uregs[i];
1781 ts->stack_base = info->start_stack;
1782 ts->heap_base = info->brk;
1783 /* This will be filled in on the first SYS_HEAPINFO call. */
1786 #elif defined(TARGET_SPARC)
1790 env->npc = regs->npc;
1792 for(i = 0; i < 8; i++)
1793 env->gregs[i] = regs->u_regs[i];
1794 for(i = 0; i < 8; i++)
1795 env->regwptr[i] = regs->u_regs[i + 8];
1797 #elif defined(TARGET_PPC)
1802 /* Choose and initialise CPU */
1803 if (cpu_model == NULL)
1805 ppc_find_by_name(cpu_model, &def);
1808 "Unable to find PowerPC CPU definition\n");
1810 cpu_ppc_register(env, def);
1812 for (i = 0; i < 32; i++) {
1813 if (i != 12 && i != 6 && i != 13)
1814 env->msr[i] = (regs->msr >> i) & 1;
1816 env->nip = regs->nip;
1817 for(i = 0; i < 32; i++) {
1818 env->gpr[i] = regs->gpr[i];
1821 #elif defined(TARGET_M68K)
1824 def = m68k_find_by_name("cfv4e");
1826 cpu_abort(cpu_single_env,
1827 "Unable to find m68k CPU definition\n");
1829 cpu_m68k_register(cpu_single_env, def);
1831 env->dregs[0] = regs->d0;
1832 env->dregs[1] = regs->d1;
1833 env->dregs[2] = regs->d2;
1834 env->dregs[3] = regs->d3;
1835 env->dregs[4] = regs->d4;
1836 env->dregs[5] = regs->d5;
1837 env->dregs[6] = regs->d6;
1838 env->dregs[7] = regs->d7;
1839 env->aregs[0] = regs->a0;
1840 env->aregs[1] = regs->a1;
1841 env->aregs[2] = regs->a2;
1842 env->aregs[3] = regs->a3;
1843 env->aregs[4] = regs->a4;
1844 env->aregs[5] = regs->a5;
1845 env->aregs[6] = regs->a6;
1846 env->aregs[7] = regs->usp;
1848 ts->sim_syscalls = 1;
1850 #elif defined(TARGET_MIPS)
1855 /* Choose and initialise CPU */
1856 if (cpu_model == NULL)
1858 mips_find_by_name(cpu_model, &def);
1860 cpu_abort(env, "Unable to find MIPS CPU definition\n");
1861 cpu_mips_register(env, def);
1863 for(i = 0; i < 32; i++) {
1864 env->gpr[i] = regs->regs[i];
1866 env->PC = regs->cp0_epc;
1867 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
1868 env->CP0_Status |= (1 << CP0St_CU1);
1871 #elif defined(TARGET_SH4)
1875 for(i = 0; i < 16; i++) {
1876 env->gregs[i] = regs->regs[i];
1881 #error unsupported target CPU
1885 gdbserver_start (gdbstub_port);
1886 gdb_handlesig(env, 0);