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
;
38 #if defined(__i386__) && !defined(CONFIG_STATIC)
39 /* Force usage of an ELF interpreter even if it is an ELF shared
41 const char interp
[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
44 /* for recent libc, we add these dummy symbols which are not declared
45 when generating a linked object (bug in ld ?) */
46 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
47 long __preinit_array_start
[0];
48 long __preinit_array_end
[0];
49 long __init_array_start
[0];
50 long __init_array_end
[0];
51 long __fini_array_start
[0];
52 long __fini_array_end
[0];
55 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
56 we allocate a bigger stack. Need a better solution, for example
57 by remapping the process stack directly at the right place */
58 unsigned long x86_stack_size
= 512 * 1024;
60 void gemu_log(const char *fmt
, ...)
65 vfprintf(stderr
, fmt
, ap
);
69 void cpu_outb(CPUState
*env
, int addr
, int val
)
71 fprintf(stderr
, "outb: port=0x%04x, data=%02x\n", addr
, val
);
74 void cpu_outw(CPUState
*env
, int addr
, int val
)
76 fprintf(stderr
, "outw: port=0x%04x, data=%04x\n", addr
, val
);
79 void cpu_outl(CPUState
*env
, int addr
, int val
)
81 fprintf(stderr
, "outl: port=0x%04x, data=%08x\n", addr
, val
);
84 int cpu_inb(CPUState
*env
, int addr
)
86 fprintf(stderr
, "inb: port=0x%04x\n", addr
);
90 int cpu_inw(CPUState
*env
, int addr
)
92 fprintf(stderr
, "inw: port=0x%04x\n", addr
);
96 int cpu_inl(CPUState
*env
, int addr
)
98 fprintf(stderr
, "inl: port=0x%04x\n", addr
);
102 int cpu_get_pic_interrupt(CPUState
*env
)
107 /* timers for rdtsc */
109 #if defined(__i386__)
111 int64_t cpu_get_real_ticks(void)
114 asm volatile ("rdtsc" : "=A" (val
));
118 #elif defined(__x86_64__)
120 int64_t cpu_get_real_ticks(void)
124 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
133 static uint64_t emu_time
;
135 int64_t cpu_get_real_ticks(void)
143 /***********************************************************/
144 /* CPUX86 core interface */
146 uint64_t cpu_get_tsc(CPUX86State
*env
)
148 return cpu_get_real_ticks();
151 static void write_dt(void *ptr
, unsigned long addr
, unsigned long limit
,
156 e1
= (addr
<< 16) | (limit
& 0xffff);
157 e2
= ((addr
>> 16) & 0xff) | (addr
& 0xff000000) | (limit
& 0x000f0000);
164 static void set_gate(void *ptr
, unsigned int type
, unsigned int dpl
,
165 unsigned long addr
, unsigned int sel
)
169 e1
= (addr
& 0xffff) | (sel
<< 16);
170 e2
= (addr
& 0xffff0000) | 0x8000 | (dpl
<< 13) | (type
<< 8);
176 uint64_t gdt_table
[6];
177 uint64_t idt_table
[256];
179 /* only dpl matters as we do only user space emulation */
180 static void set_idt(int n
, unsigned int dpl
)
182 set_gate(idt_table
+ n
, 0, dpl
, 0, 0);
185 void cpu_loop(CPUX86State
*env
)
189 target_siginfo_t info
;
192 trapnr
= cpu_x86_exec(env
);
196 env
->regs
[R_EAX
] = do_syscall(env
,
207 info
.si_signo
= SIGBUS
;
209 info
.si_code
= TARGET_SI_KERNEL
;
210 info
._sifields
._sigfault
._addr
= 0;
211 queue_signal(info
.si_signo
, &info
);
214 if (env
->eflags
& VM_MASK
) {
215 handle_vm86_fault(env
);
217 info
.si_signo
= SIGSEGV
;
219 info
.si_code
= TARGET_SI_KERNEL
;
220 info
._sifields
._sigfault
._addr
= 0;
221 queue_signal(info
.si_signo
, &info
);
225 info
.si_signo
= SIGSEGV
;
227 if (!(env
->error_code
& 1))
228 info
.si_code
= TARGET_SEGV_MAPERR
;
230 info
.si_code
= TARGET_SEGV_ACCERR
;
231 info
._sifields
._sigfault
._addr
= env
->cr
[2];
232 queue_signal(info
.si_signo
, &info
);
235 if (env
->eflags
& VM_MASK
) {
236 handle_vm86_trap(env
, trapnr
);
238 /* division by zero */
239 info
.si_signo
= SIGFPE
;
241 info
.si_code
= TARGET_FPE_INTDIV
;
242 info
._sifields
._sigfault
._addr
= env
->eip
;
243 queue_signal(info
.si_signo
, &info
);
248 if (env
->eflags
& VM_MASK
) {
249 handle_vm86_trap(env
, trapnr
);
251 info
.si_signo
= SIGTRAP
;
253 if (trapnr
== EXCP01_SSTP
) {
254 info
.si_code
= TARGET_TRAP_BRKPT
;
255 info
._sifields
._sigfault
._addr
= env
->eip
;
257 info
.si_code
= TARGET_SI_KERNEL
;
258 info
._sifields
._sigfault
._addr
= 0;
260 queue_signal(info
.si_signo
, &info
);
265 if (env
->eflags
& VM_MASK
) {
266 handle_vm86_trap(env
, trapnr
);
268 info
.si_signo
= SIGSEGV
;
270 info
.si_code
= TARGET_SI_KERNEL
;
271 info
._sifields
._sigfault
._addr
= 0;
272 queue_signal(info
.si_signo
, &info
);
276 info
.si_signo
= SIGILL
;
278 info
.si_code
= TARGET_ILL_ILLOPN
;
279 info
._sifields
._sigfault
._addr
= env
->eip
;
280 queue_signal(info
.si_signo
, &info
);
283 /* just indicate that signals should be handled asap */
289 sig
= gdb_handlesig (env
, TARGET_SIGTRAP
);
294 info
.si_code
= TARGET_TRAP_BRKPT
;
295 queue_signal(info
.si_signo
, &info
);
300 pc
= env
->segs
[R_CS
].base
+ env
->eip
;
301 fprintf(stderr
, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
305 process_pending_signals(env
);
312 /* XXX: find a better solution */
313 extern void tb_invalidate_page_range(target_ulong start
, target_ulong end
);
315 static void arm_cache_flush(target_ulong start
, target_ulong last
)
317 target_ulong addr
, last1
;
323 last1
= ((addr
+ TARGET_PAGE_SIZE
) & TARGET_PAGE_MASK
) - 1;
326 tb_invalidate_page_range(addr
, last1
+ 1);
333 void cpu_loop(CPUARMState
*env
)
336 unsigned int n
, insn
;
337 target_siginfo_t info
;
341 trapnr
= cpu_arm_exec(env
);
345 TaskState
*ts
= env
->opaque
;
348 /* we handle the FPU emulation here, as Linux */
349 /* we get the opcode */
350 opcode
= tget32(env
->regs
[15]);
352 if (EmulateAll(opcode
, &ts
->fpa
, env
) == 0) {
353 info
.si_signo
= SIGILL
;
355 info
.si_code
= TARGET_ILL_ILLOPN
;
356 info
._sifields
._sigfault
._addr
= env
->regs
[15];
357 queue_signal(info
.si_signo
, &info
);
369 if (trapnr
== EXCP_BKPT
) {
371 insn
= tget16(env
->regs
[15]);
375 insn
= tget32(env
->regs
[15]);
376 n
= (insn
& 0xf) | ((insn
>> 4) & 0xff0);
381 insn
= tget16(env
->regs
[15] - 2);
384 insn
= tget32(env
->regs
[15] - 4);
389 if (n
== ARM_NR_cacheflush
) {
390 arm_cache_flush(env
->regs
[0], env
->regs
[1]);
391 } else if (n
== ARM_NR_semihosting
392 || n
== ARM_NR_thumb_semihosting
) {
393 env
->regs
[0] = do_arm_semihosting (env
);
394 } else if (n
== 0 || n
>= ARM_SYSCALL_BASE
395 || (env
->thumb
&& n
== ARM_THUMB_SYSCALL
)) {
397 if (env
->thumb
|| n
== 0) {
400 n
-= ARM_SYSCALL_BASE
;
403 env
->regs
[0] = do_syscall(env
,
417 /* just indicate that signals should be handled asap */
419 case EXCP_PREFETCH_ABORT
:
420 addr
= env
->cp15
.c6_data
;
422 case EXCP_DATA_ABORT
:
423 addr
= env
->cp15
.c6_insn
;
427 info
.si_signo
= SIGSEGV
;
429 /* XXX: check env->error_code */
430 info
.si_code
= TARGET_SEGV_MAPERR
;
431 info
._sifields
._sigfault
._addr
= addr
;
432 queue_signal(info
.si_signo
, &info
);
439 sig
= gdb_handlesig (env
, TARGET_SIGTRAP
);
444 info
.si_code
= TARGET_TRAP_BRKPT
;
445 queue_signal(info
.si_signo
, &info
);
451 fprintf(stderr
, "qemu: unhandled CPU exception 0x%x - aborting\n",
453 cpu_dump_state(env
, stderr
, fprintf
, 0);
456 process_pending_signals(env
);
466 /* WARNING: dealing with register windows _is_ complicated. More info
467 can be found at http://www.sics.se/~psm/sparcstack.html */
468 static inline int get_reg_index(CPUSPARCState
*env
, int cwp
, int index
)
470 index
= (index
+ cwp
* 16) & (16 * NWINDOWS
- 1);
471 /* wrap handling : if cwp is on the last window, then we use the
472 registers 'after' the end */
473 if (index
< 8 && env
->cwp
== (NWINDOWS
- 1))
474 index
+= (16 * NWINDOWS
);
478 /* save the register window 'cwp1' */
479 static inline void save_window_offset(CPUSPARCState
*env
, int cwp1
)
484 sp_ptr
= env
->regbase
[get_reg_index(env
, cwp1
, 6)];
485 #if defined(DEBUG_WIN)
486 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
489 for(i
= 0; i
< 16; i
++) {
490 tputl(sp_ptr
, env
->regbase
[get_reg_index(env
, cwp1
, 8 + i
)]);
491 sp_ptr
+= sizeof(target_ulong
);
495 static void save_window(CPUSPARCState
*env
)
497 unsigned int new_wim
;
498 new_wim
= ((env
->wim
>> 1) | (env
->wim
<< (NWINDOWS
- 1))) &
499 ((1LL << NWINDOWS
) - 1);
500 save_window_offset(env
, (env
->cwp
- 2) & (NWINDOWS
- 1));
504 static void restore_window(CPUSPARCState
*env
)
506 unsigned int new_wim
, i
, cwp1
;
509 new_wim
= ((env
->wim
<< 1) | (env
->wim
>> (NWINDOWS
- 1))) &
510 ((1LL << NWINDOWS
) - 1);
512 /* restore the invalid window */
513 cwp1
= (env
->cwp
+ 1) & (NWINDOWS
- 1);
514 sp_ptr
= env
->regbase
[get_reg_index(env
, cwp1
, 6)];
515 #if defined(DEBUG_WIN)
516 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
519 for(i
= 0; i
< 16; i
++) {
520 env
->regbase
[get_reg_index(env
, cwp1
, 8 + i
)] = tgetl(sp_ptr
);
521 sp_ptr
+= sizeof(target_ulong
);
526 static void flush_windows(CPUSPARCState
*env
)
532 /* if restore would invoke restore_window(), then we can stop */
533 cwp1
= (env
->cwp
+ offset
) & (NWINDOWS
- 1);
534 if (env
->wim
& (1 << cwp1
))
536 save_window_offset(env
, cwp1
);
539 /* set wim so that restore will reload the registers */
540 cwp1
= (env
->cwp
+ 1) & (NWINDOWS
- 1);
541 env
->wim
= 1 << cwp1
;
542 #if defined(DEBUG_WIN)
543 printf("flush_windows: nb=%d\n", offset
- 1);
547 void cpu_loop (CPUSPARCState
*env
)
550 target_siginfo_t info
;
553 trapnr
= cpu_sparc_exec (env
);
558 ret
= do_syscall (env
, env
->gregs
[1],
559 env
->regwptr
[0], env
->regwptr
[1],
560 env
->regwptr
[2], env
->regwptr
[3],
561 env
->regwptr
[4], env
->regwptr
[5]);
562 if ((unsigned int)ret
>= (unsigned int)(-515)) {
563 env
->psr
|= PSR_CARRY
;
566 env
->psr
&= ~PSR_CARRY
;
568 env
->regwptr
[0] = ret
;
569 /* next instruction */
571 env
->npc
= env
->npc
+ 4;
573 case 0x83: /* flush windows */
575 /* next instruction */
577 env
->npc
= env
->npc
+ 4;
579 #ifndef TARGET_SPARC64
580 case TT_WIN_OVF
: /* window overflow */
583 case TT_WIN_UNF
: /* window underflow */
589 info
.si_signo
= SIGSEGV
;
591 /* XXX: check env->error_code */
592 info
.si_code
= TARGET_SEGV_MAPERR
;
593 info
._sifields
._sigfault
._addr
= env
->mmuregs
[4];
594 queue_signal(info
.si_signo
, &info
);
600 case 0x100: // XXX, why do we get these?
606 sig
= gdb_handlesig (env
, TARGET_SIGTRAP
);
611 info
.si_code
= TARGET_TRAP_BRKPT
;
612 queue_signal(info
.si_signo
, &info
);
617 printf ("Unhandled trap: 0x%x\n", trapnr
);
618 cpu_dump_state(env
, stderr
, fprintf
, 0);
621 process_pending_signals (env
);
629 static inline uint64_t cpu_ppc_get_tb (CPUState
*env
)
635 uint32_t cpu_ppc_load_tbl (CPUState
*env
)
637 return cpu_ppc_get_tb(env
) & 0xFFFFFFFF;
640 uint32_t cpu_ppc_load_tbu (CPUState
*env
)
642 return cpu_ppc_get_tb(env
) >> 32;
645 static void cpu_ppc_store_tb (CPUState
*env
, uint64_t value
)
650 void cpu_ppc_store_tbu (CPUState
*env
, uint32_t value
)
652 cpu_ppc_store_tb(env
, ((uint64_t)value
<< 32) | cpu_ppc_load_tbl(env
));
655 void cpu_ppc_store_tbl (CPUState
*env
, uint32_t value
)
657 cpu_ppc_store_tb(env
, ((uint64_t)cpu_ppc_load_tbl(env
) << 32) | value
);
660 uint32_t cpu_ppc_load_decr (CPUState
*env
)
666 void cpu_ppc_store_decr (CPUState
*env
, uint32_t value
)
671 void cpu_loop(CPUPPCState
*env
)
673 target_siginfo_t info
;
678 trapnr
= cpu_ppc_exec(env
);
679 if (trapnr
!= EXCP_SYSCALL_USER
&& trapnr
!= EXCP_BRANCH
&&
680 trapnr
!= EXCP_TRACE
) {
682 cpu_dump_state(env
, logfile
, fprintf
, 0);
688 case EXCP_SYSCALL_USER
:
691 * PPC ABI uses overflow flag in cr0 to signal an error
695 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env
->gpr
[0],
696 env
->gpr
[3], env
->gpr
[4], env
->gpr
[5], env
->gpr
[6]);
699 ret
= do_syscall(env
, env
->gpr
[0], env
->gpr
[3], env
->gpr
[4],
700 env
->gpr
[5], env
->gpr
[6], env
->gpr
[7],
702 if (ret
> (uint32_t)(-515)) {
708 printf("syscall returned 0x%08x (%d)\n", ret
, ret
);
712 /* Should not happen ! */
713 fprintf(stderr
, "RESET asked... Stop emulation\n");
715 fprintf(logfile
, "RESET asked... Stop emulation\n");
717 case EXCP_MACHINE_CHECK
:
718 fprintf(stderr
, "Machine check exeption... Stop emulation\n");
720 fprintf(logfile
, "RESET asked... Stop emulation\n");
721 info
.si_signo
= TARGET_SIGBUS
;
723 info
.si_code
= TARGET_BUS_OBJERR
;
724 info
._sifields
._sigfault
._addr
= env
->nip
- 4;
725 queue_signal(info
.si_signo
, &info
);
727 fprintf(stderr
, "Invalid data memory access: 0x%08x\n",
730 fprintf(logfile
, "Invalid data memory access: 0x%08x\n",
733 switch (env
->error_code
& 0xFF000000) {
735 info
.si_signo
= TARGET_SIGSEGV
;
737 info
.si_code
= TARGET_SEGV_MAPERR
;
740 info
.si_signo
= TARGET_SIGILL
;
742 info
.si_code
= TARGET_ILL_ILLADR
;
745 info
.si_signo
= TARGET_SIGSEGV
;
747 info
.si_code
= TARGET_SEGV_ACCERR
;
750 /* Let's send a regular segfault... */
751 fprintf(stderr
, "Invalid segfault errno (%02x)\n",
754 fprintf(logfile
, "Invalid segfault errno (%02x)\n",
757 info
.si_signo
= TARGET_SIGSEGV
;
759 info
.si_code
= TARGET_SEGV_MAPERR
;
762 info
._sifields
._sigfault
._addr
= env
->nip
;
763 queue_signal(info
.si_signo
, &info
);
766 fprintf(stderr
, "Invalid instruction fetch\n");
768 fprintf(logfile
, "Invalid instruction fetch\n");
769 switch (env
->error_code
& 0xFF000000) {
771 info
.si_signo
= TARGET_SIGSEGV
;
773 info
.si_code
= TARGET_SEGV_MAPERR
;
777 info
.si_signo
= TARGET_SIGSEGV
;
779 info
.si_code
= TARGET_SEGV_ACCERR
;
782 /* Let's send a regular segfault... */
783 fprintf(stderr
, "Invalid segfault errno (%02x)\n",
786 fprintf(logfile
, "Invalid segfault errno (%02x)\n",
789 info
.si_signo
= TARGET_SIGSEGV
;
791 info
.si_code
= TARGET_SEGV_MAPERR
;
794 info
._sifields
._sigfault
._addr
= env
->nip
- 4;
795 queue_signal(info
.si_signo
, &info
);
798 /* Should not happen ! */
799 fprintf(stderr
, "External interruption... Stop emulation\n");
801 fprintf(logfile
, "External interruption... Stop emulation\n");
804 fprintf(stderr
, "Invalid unaligned memory access\n");
806 fprintf(logfile
, "Invalid unaligned memory access\n");
807 info
.si_signo
= TARGET_SIGBUS
;
809 info
.si_code
= TARGET_BUS_ADRALN
;
810 info
._sifields
._sigfault
._addr
= env
->nip
- 4;
811 queue_signal(info
.si_signo
, &info
);
814 switch (env
->error_code
& ~0xF) {
816 fprintf(stderr
, "Program exception\n");
818 fprintf(logfile
, "Program exception\n");
820 env
->fpscr
[7] |= 0x8;
821 /* Finally, update FEX */
822 if ((((env
->fpscr
[7] & 0x3) << 3) | (env
->fpscr
[6] >> 1)) &
823 ((env
->fpscr
[1] << 1) | (env
->fpscr
[0] >> 3)))
824 env
->fpscr
[7] |= 0x4;
825 info
.si_signo
= TARGET_SIGFPE
;
827 switch (env
->error_code
& 0xF) {
829 info
.si_code
= TARGET_FPE_FLTOVF
;
832 info
.si_code
= TARGET_FPE_FLTUND
;
836 info
.si_code
= TARGET_FPE_FLTDIV
;
839 info
.si_code
= TARGET_FPE_FLTRES
;
842 info
.si_code
= TARGET_FPE_FLTINV
;
851 info
.si_code
= TARGET_FPE_FLTSUB
;
854 fprintf(stderr
, "Unknown floating point exception "
855 "(%02x)\n", env
->error_code
);
857 fprintf(logfile
, "Unknown floating point exception "
858 "(%02x)\n", env
->error_code
& 0xF);
863 fprintf(stderr
, "Invalid instruction\n");
865 fprintf(logfile
, "Invalid instruction\n");
866 info
.si_signo
= TARGET_SIGILL
;
868 switch (env
->error_code
& 0xF) {
869 case EXCP_INVAL_INVAL
:
870 info
.si_code
= TARGET_ILL_ILLOPC
;
872 case EXCP_INVAL_LSWX
:
873 info
.si_code
= TARGET_ILL_ILLOPN
;
876 info
.si_code
= TARGET_ILL_PRVREG
;
879 info
.si_code
= TARGET_ILL_COPROC
;
882 fprintf(stderr
, "Unknown invalid operation (%02x)\n",
883 env
->error_code
& 0xF);
885 fprintf(logfile
, "Unknown invalid operation (%02x)\n",
886 env
->error_code
& 0xF);
888 info
.si_code
= TARGET_ILL_ILLADR
;
893 fprintf(stderr
, "Privilege violation\n");
895 fprintf(logfile
, "Privilege violation\n");
896 info
.si_signo
= TARGET_SIGILL
;
898 switch (env
->error_code
& 0xF) {
900 info
.si_code
= TARGET_ILL_PRVOPC
;
903 info
.si_code
= TARGET_ILL_PRVREG
;
906 fprintf(stderr
, "Unknown privilege violation (%02x)\n",
907 env
->error_code
& 0xF);
908 info
.si_code
= TARGET_ILL_PRVOPC
;
913 fprintf(stderr
, "Tried to call a TRAP\n");
915 fprintf(logfile
, "Tried to call a TRAP\n");
918 /* Should not happen ! */
919 fprintf(stderr
, "Unknown program exception (%02x)\n",
922 fprintf(logfile
, "Unknwon program exception (%02x)\n",
927 info
._sifields
._sigfault
._addr
= env
->nip
- 4;
928 queue_signal(info
.si_signo
, &info
);
931 fprintf(stderr
, "No floating point allowed\n");
933 fprintf(logfile
, "No floating point allowed\n");
934 info
.si_signo
= TARGET_SIGILL
;
936 info
.si_code
= TARGET_ILL_COPROC
;
937 info
._sifields
._sigfault
._addr
= env
->nip
- 4;
938 queue_signal(info
.si_signo
, &info
);
941 /* Should not happen ! */
942 fprintf(stderr
, "Decrementer exception\n");
944 fprintf(logfile
, "Decrementer exception\n");
947 /* Do nothing: we use this to trace execution */
950 /* Should not happen ! */
951 fprintf(stderr
, "Floating point assist exception\n");
953 fprintf(logfile
, "Floating point assist exception\n");
956 /* We reloaded the msr, just go on */
958 fprintf(stderr
, "Tried to go into supervisor mode !\n");
960 fprintf(logfile
, "Tried to go into supervisor mode !\n");
965 /* We stopped because of a jump... */
968 /* Don't know why this should ever happen... */
974 sig
= gdb_handlesig (env
, TARGET_SIGTRAP
);
979 info
.si_code
= TARGET_TRAP_BRKPT
;
980 queue_signal(info
.si_signo
, &info
);
985 fprintf(stderr
, "qemu: unhandled CPU exception 0x%x - aborting\n",
988 fprintf(logfile
, "qemu: unhandled CPU exception 0x%02x - "
989 "0x%02x - aborting\n", trapnr
, env
->error_code
);
993 process_pending_signals(env
);
1000 #define MIPS_SYS(name, args) args,
1002 static const uint8_t mips_syscall_args
[] = {
1003 MIPS_SYS(sys_syscall
, 0) /* 4000 */
1004 MIPS_SYS(sys_exit
, 1)
1005 MIPS_SYS(sys_fork
, 0)
1006 MIPS_SYS(sys_read
, 3)
1007 MIPS_SYS(sys_write
, 3)
1008 MIPS_SYS(sys_open
, 3) /* 4005 */
1009 MIPS_SYS(sys_close
, 1)
1010 MIPS_SYS(sys_waitpid
, 3)
1011 MIPS_SYS(sys_creat
, 2)
1012 MIPS_SYS(sys_link
, 2)
1013 MIPS_SYS(sys_unlink
, 1) /* 4010 */
1014 MIPS_SYS(sys_execve
, 0)
1015 MIPS_SYS(sys_chdir
, 1)
1016 MIPS_SYS(sys_time
, 1)
1017 MIPS_SYS(sys_mknod
, 3)
1018 MIPS_SYS(sys_chmod
, 2) /* 4015 */
1019 MIPS_SYS(sys_lchown
, 3)
1020 MIPS_SYS(sys_ni_syscall
, 0)
1021 MIPS_SYS(sys_ni_syscall
, 0) /* was sys_stat */
1022 MIPS_SYS(sys_lseek
, 3)
1023 MIPS_SYS(sys_getpid
, 0) /* 4020 */
1024 MIPS_SYS(sys_mount
, 5)
1025 MIPS_SYS(sys_oldumount
, 1)
1026 MIPS_SYS(sys_setuid
, 1)
1027 MIPS_SYS(sys_getuid
, 0)
1028 MIPS_SYS(sys_stime
, 1) /* 4025 */
1029 MIPS_SYS(sys_ptrace
, 4)
1030 MIPS_SYS(sys_alarm
, 1)
1031 MIPS_SYS(sys_ni_syscall
, 0) /* was sys_fstat */
1032 MIPS_SYS(sys_pause
, 0)
1033 MIPS_SYS(sys_utime
, 2) /* 4030 */
1034 MIPS_SYS(sys_ni_syscall
, 0)
1035 MIPS_SYS(sys_ni_syscall
, 0)
1036 MIPS_SYS(sys_access
, 2)
1037 MIPS_SYS(sys_nice
, 1)
1038 MIPS_SYS(sys_ni_syscall
, 0) /* 4035 */
1039 MIPS_SYS(sys_sync
, 0)
1040 MIPS_SYS(sys_kill
, 2)
1041 MIPS_SYS(sys_rename
, 2)
1042 MIPS_SYS(sys_mkdir
, 2)
1043 MIPS_SYS(sys_rmdir
, 1) /* 4040 */
1044 MIPS_SYS(sys_dup
, 1)
1045 MIPS_SYS(sys_pipe
, 0)
1046 MIPS_SYS(sys_times
, 1)
1047 MIPS_SYS(sys_ni_syscall
, 0)
1048 MIPS_SYS(sys_brk
, 1) /* 4045 */
1049 MIPS_SYS(sys_setgid
, 1)
1050 MIPS_SYS(sys_getgid
, 0)
1051 MIPS_SYS(sys_ni_syscall
, 0) /* was signal(2) */
1052 MIPS_SYS(sys_geteuid
, 0)
1053 MIPS_SYS(sys_getegid
, 0) /* 4050 */
1054 MIPS_SYS(sys_acct
, 0)
1055 MIPS_SYS(sys_umount
, 2)
1056 MIPS_SYS(sys_ni_syscall
, 0)
1057 MIPS_SYS(sys_ioctl
, 3)
1058 MIPS_SYS(sys_fcntl
, 3) /* 4055 */
1059 MIPS_SYS(sys_ni_syscall
, 2)
1060 MIPS_SYS(sys_setpgid
, 2)
1061 MIPS_SYS(sys_ni_syscall
, 0)
1062 MIPS_SYS(sys_olduname
, 1)
1063 MIPS_SYS(sys_umask
, 1) /* 4060 */
1064 MIPS_SYS(sys_chroot
, 1)
1065 MIPS_SYS(sys_ustat
, 2)
1066 MIPS_SYS(sys_dup2
, 2)
1067 MIPS_SYS(sys_getppid
, 0)
1068 MIPS_SYS(sys_getpgrp
, 0) /* 4065 */
1069 MIPS_SYS(sys_setsid
, 0)
1070 MIPS_SYS(sys_sigaction
, 3)
1071 MIPS_SYS(sys_sgetmask
, 0)
1072 MIPS_SYS(sys_ssetmask
, 1)
1073 MIPS_SYS(sys_setreuid
, 2) /* 4070 */
1074 MIPS_SYS(sys_setregid
, 2)
1075 MIPS_SYS(sys_sigsuspend
, 0)
1076 MIPS_SYS(sys_sigpending
, 1)
1077 MIPS_SYS(sys_sethostname
, 2)
1078 MIPS_SYS(sys_setrlimit
, 2) /* 4075 */
1079 MIPS_SYS(sys_getrlimit
, 2)
1080 MIPS_SYS(sys_getrusage
, 2)
1081 MIPS_SYS(sys_gettimeofday
, 2)
1082 MIPS_SYS(sys_settimeofday
, 2)
1083 MIPS_SYS(sys_getgroups
, 2) /* 4080 */
1084 MIPS_SYS(sys_setgroups
, 2)
1085 MIPS_SYS(sys_ni_syscall
, 0) /* old_select */
1086 MIPS_SYS(sys_symlink
, 2)
1087 MIPS_SYS(sys_ni_syscall
, 0) /* was sys_lstat */
1088 MIPS_SYS(sys_readlink
, 3) /* 4085 */
1089 MIPS_SYS(sys_uselib
, 1)
1090 MIPS_SYS(sys_swapon
, 2)
1091 MIPS_SYS(sys_reboot
, 3)
1092 MIPS_SYS(old_readdir
, 3)
1093 MIPS_SYS(old_mmap
, 6) /* 4090 */
1094 MIPS_SYS(sys_munmap
, 2)
1095 MIPS_SYS(sys_truncate
, 2)
1096 MIPS_SYS(sys_ftruncate
, 2)
1097 MIPS_SYS(sys_fchmod
, 2)
1098 MIPS_SYS(sys_fchown
, 3) /* 4095 */
1099 MIPS_SYS(sys_getpriority
, 2)
1100 MIPS_SYS(sys_setpriority
, 3)
1101 MIPS_SYS(sys_ni_syscall
, 0)
1102 MIPS_SYS(sys_statfs
, 2)
1103 MIPS_SYS(sys_fstatfs
, 2) /* 4100 */
1104 MIPS_SYS(sys_ni_syscall
, 0) /* was ioperm(2) */
1105 MIPS_SYS(sys_socketcall
, 2)
1106 MIPS_SYS(sys_syslog
, 3)
1107 MIPS_SYS(sys_setitimer
, 3)
1108 MIPS_SYS(sys_getitimer
, 2) /* 4105 */
1109 MIPS_SYS(sys_newstat
, 2)
1110 MIPS_SYS(sys_newlstat
, 2)
1111 MIPS_SYS(sys_newfstat
, 2)
1112 MIPS_SYS(sys_uname
, 1)
1113 MIPS_SYS(sys_ni_syscall
, 0) /* 4110 was iopl(2) */
1114 MIPS_SYS(sys_vhangup
, 0)
1115 MIPS_SYS(sys_ni_syscall
, 0) /* was sys_idle() */
1116 MIPS_SYS(sys_ni_syscall
, 0) /* was sys_vm86 */
1117 MIPS_SYS(sys_wait4
, 4)
1118 MIPS_SYS(sys_swapoff
, 1) /* 4115 */
1119 MIPS_SYS(sys_sysinfo
, 1)
1120 MIPS_SYS(sys_ipc
, 6)
1121 MIPS_SYS(sys_fsync
, 1)
1122 MIPS_SYS(sys_sigreturn
, 0)
1123 MIPS_SYS(sys_clone
, 0) /* 4120 */
1124 MIPS_SYS(sys_setdomainname
, 2)
1125 MIPS_SYS(sys_newuname
, 1)
1126 MIPS_SYS(sys_ni_syscall
, 0) /* sys_modify_ldt */
1127 MIPS_SYS(sys_adjtimex
, 1)
1128 MIPS_SYS(sys_mprotect
, 3) /* 4125 */
1129 MIPS_SYS(sys_sigprocmask
, 3)
1130 MIPS_SYS(sys_ni_syscall
, 0) /* was create_module */
1131 MIPS_SYS(sys_init_module
, 5)
1132 MIPS_SYS(sys_delete_module
, 1)
1133 MIPS_SYS(sys_ni_syscall
, 0) /* 4130 was get_kernel_syms */
1134 MIPS_SYS(sys_quotactl
, 0)
1135 MIPS_SYS(sys_getpgid
, 1)
1136 MIPS_SYS(sys_fchdir
, 1)
1137 MIPS_SYS(sys_bdflush
, 2)
1138 MIPS_SYS(sys_sysfs
, 3) /* 4135 */
1139 MIPS_SYS(sys_personality
, 1)
1140 MIPS_SYS(sys_ni_syscall
, 0) /* for afs_syscall */
1141 MIPS_SYS(sys_setfsuid
, 1)
1142 MIPS_SYS(sys_setfsgid
, 1)
1143 MIPS_SYS(sys_llseek
, 5) /* 4140 */
1144 MIPS_SYS(sys_getdents
, 3)
1145 MIPS_SYS(sys_select
, 5)
1146 MIPS_SYS(sys_flock
, 2)
1147 MIPS_SYS(sys_msync
, 3)
1148 MIPS_SYS(sys_readv
, 3) /* 4145 */
1149 MIPS_SYS(sys_writev
, 3)
1150 MIPS_SYS(sys_cacheflush
, 3)
1151 MIPS_SYS(sys_cachectl
, 3)
1152 MIPS_SYS(sys_sysmips
, 4)
1153 MIPS_SYS(sys_ni_syscall
, 0) /* 4150 */
1154 MIPS_SYS(sys_getsid
, 1)
1155 MIPS_SYS(sys_fdatasync
, 0)
1156 MIPS_SYS(sys_sysctl
, 1)
1157 MIPS_SYS(sys_mlock
, 2)
1158 MIPS_SYS(sys_munlock
, 2) /* 4155 */
1159 MIPS_SYS(sys_mlockall
, 1)
1160 MIPS_SYS(sys_munlockall
, 0)
1161 MIPS_SYS(sys_sched_setparam
, 2)
1162 MIPS_SYS(sys_sched_getparam
, 2)
1163 MIPS_SYS(sys_sched_setscheduler
, 3) /* 4160 */
1164 MIPS_SYS(sys_sched_getscheduler
, 1)
1165 MIPS_SYS(sys_sched_yield
, 0)
1166 MIPS_SYS(sys_sched_get_priority_max
, 1)
1167 MIPS_SYS(sys_sched_get_priority_min
, 1)
1168 MIPS_SYS(sys_sched_rr_get_interval
, 2) /* 4165 */
1169 MIPS_SYS(sys_nanosleep
, 2)
1170 MIPS_SYS(sys_mremap
, 4)
1171 MIPS_SYS(sys_accept
, 3)
1172 MIPS_SYS(sys_bind
, 3)
1173 MIPS_SYS(sys_connect
, 3) /* 4170 */
1174 MIPS_SYS(sys_getpeername
, 3)
1175 MIPS_SYS(sys_getsockname
, 3)
1176 MIPS_SYS(sys_getsockopt
, 5)
1177 MIPS_SYS(sys_listen
, 2)
1178 MIPS_SYS(sys_recv
, 4) /* 4175 */
1179 MIPS_SYS(sys_recvfrom
, 6)
1180 MIPS_SYS(sys_recvmsg
, 3)
1181 MIPS_SYS(sys_send
, 4)
1182 MIPS_SYS(sys_sendmsg
, 3)
1183 MIPS_SYS(sys_sendto
, 6) /* 4180 */
1184 MIPS_SYS(sys_setsockopt
, 5)
1185 MIPS_SYS(sys_shutdown
, 2)
1186 MIPS_SYS(sys_socket
, 3)
1187 MIPS_SYS(sys_socketpair
, 4)
1188 MIPS_SYS(sys_setresuid
, 3) /* 4185 */
1189 MIPS_SYS(sys_getresuid
, 3)
1190 MIPS_SYS(sys_ni_syscall
, 0) /* was sys_query_module */
1191 MIPS_SYS(sys_poll
, 3)
1192 MIPS_SYS(sys_nfsservctl
, 3)
1193 MIPS_SYS(sys_setresgid
, 3) /* 4190 */
1194 MIPS_SYS(sys_getresgid
, 3)
1195 MIPS_SYS(sys_prctl
, 5)
1196 MIPS_SYS(sys_rt_sigreturn
, 0)
1197 MIPS_SYS(sys_rt_sigaction
, 4)
1198 MIPS_SYS(sys_rt_sigprocmask
, 4) /* 4195 */
1199 MIPS_SYS(sys_rt_sigpending
, 2)
1200 MIPS_SYS(sys_rt_sigtimedwait
, 4)
1201 MIPS_SYS(sys_rt_sigqueueinfo
, 3)
1202 MIPS_SYS(sys_rt_sigsuspend
, 0)
1203 MIPS_SYS(sys_pread64
, 6) /* 4200 */
1204 MIPS_SYS(sys_pwrite64
, 6)
1205 MIPS_SYS(sys_chown
, 3)
1206 MIPS_SYS(sys_getcwd
, 2)
1207 MIPS_SYS(sys_capget
, 2)
1208 MIPS_SYS(sys_capset
, 2) /* 4205 */
1209 MIPS_SYS(sys_sigaltstack
, 0)
1210 MIPS_SYS(sys_sendfile
, 4)
1211 MIPS_SYS(sys_ni_syscall
, 0)
1212 MIPS_SYS(sys_ni_syscall
, 0)
1213 MIPS_SYS(sys_mmap2
, 6) /* 4210 */
1214 MIPS_SYS(sys_truncate64
, 4)
1215 MIPS_SYS(sys_ftruncate64
, 4)
1216 MIPS_SYS(sys_stat64
, 2)
1217 MIPS_SYS(sys_lstat64
, 2)
1218 MIPS_SYS(sys_fstat64
, 2) /* 4215 */
1219 MIPS_SYS(sys_pivot_root
, 2)
1220 MIPS_SYS(sys_mincore
, 3)
1221 MIPS_SYS(sys_madvise
, 3)
1222 MIPS_SYS(sys_getdents64
, 3)
1223 MIPS_SYS(sys_fcntl64
, 3) /* 4220 */
1224 MIPS_SYS(sys_ni_syscall
, 0)
1225 MIPS_SYS(sys_gettid
, 0)
1226 MIPS_SYS(sys_readahead
, 5)
1227 MIPS_SYS(sys_setxattr
, 5)
1228 MIPS_SYS(sys_lsetxattr
, 5) /* 4225 */
1229 MIPS_SYS(sys_fsetxattr
, 5)
1230 MIPS_SYS(sys_getxattr
, 4)
1231 MIPS_SYS(sys_lgetxattr
, 4)
1232 MIPS_SYS(sys_fgetxattr
, 4)
1233 MIPS_SYS(sys_listxattr
, 3) /* 4230 */
1234 MIPS_SYS(sys_llistxattr
, 3)
1235 MIPS_SYS(sys_flistxattr
, 3)
1236 MIPS_SYS(sys_removexattr
, 2)
1237 MIPS_SYS(sys_lremovexattr
, 2)
1238 MIPS_SYS(sys_fremovexattr
, 2) /* 4235 */
1239 MIPS_SYS(sys_tkill
, 2)
1240 MIPS_SYS(sys_sendfile64
, 5)
1241 MIPS_SYS(sys_futex
, 2)
1242 MIPS_SYS(sys_sched_setaffinity
, 3)
1243 MIPS_SYS(sys_sched_getaffinity
, 3) /* 4240 */
1244 MIPS_SYS(sys_io_setup
, 2)
1245 MIPS_SYS(sys_io_destroy
, 1)
1246 MIPS_SYS(sys_io_getevents
, 5)
1247 MIPS_SYS(sys_io_submit
, 3)
1248 MIPS_SYS(sys_io_cancel
, 3) /* 4245 */
1249 MIPS_SYS(sys_exit_group
, 1)
1250 MIPS_SYS(sys_lookup_dcookie
, 3)
1251 MIPS_SYS(sys_epoll_create
, 1)
1252 MIPS_SYS(sys_epoll_ctl
, 4)
1253 MIPS_SYS(sys_epoll_wait
, 3) /* 4250 */
1254 MIPS_SYS(sys_remap_file_pages
, 5)
1255 MIPS_SYS(sys_set_tid_address
, 1)
1256 MIPS_SYS(sys_restart_syscall
, 0)
1257 MIPS_SYS(sys_fadvise64_64
, 7)
1258 MIPS_SYS(sys_statfs64
, 3) /* 4255 */
1259 MIPS_SYS(sys_fstatfs64
, 2)
1260 MIPS_SYS(sys_timer_create
, 3)
1261 MIPS_SYS(sys_timer_settime
, 4)
1262 MIPS_SYS(sys_timer_gettime
, 2)
1263 MIPS_SYS(sys_timer_getoverrun
, 1) /* 4260 */
1264 MIPS_SYS(sys_timer_delete
, 1)
1265 MIPS_SYS(sys_clock_settime
, 2)
1266 MIPS_SYS(sys_clock_gettime
, 2)
1267 MIPS_SYS(sys_clock_getres
, 2)
1268 MIPS_SYS(sys_clock_nanosleep
, 4) /* 4265 */
1269 MIPS_SYS(sys_tgkill
, 3)
1270 MIPS_SYS(sys_utimes
, 2)
1271 MIPS_SYS(sys_mbind
, 4)
1272 MIPS_SYS(sys_ni_syscall
, 0) /* sys_get_mempolicy */
1273 MIPS_SYS(sys_ni_syscall
, 0) /* 4270 sys_set_mempolicy */
1274 MIPS_SYS(sys_mq_open
, 4)
1275 MIPS_SYS(sys_mq_unlink
, 1)
1276 MIPS_SYS(sys_mq_timedsend
, 5)
1277 MIPS_SYS(sys_mq_timedreceive
, 5)
1278 MIPS_SYS(sys_mq_notify
, 2) /* 4275 */
1279 MIPS_SYS(sys_mq_getsetattr
, 3)
1280 MIPS_SYS(sys_ni_syscall
, 0) /* sys_vserver */
1281 MIPS_SYS(sys_waitid
, 4)
1282 MIPS_SYS(sys_ni_syscall
, 0) /* available, was setaltroot */
1283 MIPS_SYS(sys_add_key
, 5)
1284 MIPS_SYS(sys_request_key
, 4)
1285 MIPS_SYS(sys_keyctl
, 5)
1290 void cpu_loop(CPUMIPSState
*env
)
1292 target_siginfo_t info
;
1293 int trapnr
, ret
, nb_args
;
1294 unsigned int syscall_num
;
1295 target_ulong arg5
, arg6
, sp_reg
;
1298 trapnr
= cpu_mips_exec(env
);
1302 syscall_num
= env
->gpr
[2] - 4000;
1303 if (syscall_num
>= sizeof(mips_syscall_args
)) {
1306 nb_args
= mips_syscall_args
[syscall_num
];
1308 sp_reg
= env
->gpr
[29];
1309 /* these arguments are taken from the stack */
1310 arg5
= tgetl(sp_reg
+ 16);
1312 arg6
= tgetl(sp_reg
+ 20);
1320 ret
= do_syscall(env
,
1331 if ((unsigned int)ret
>= (unsigned int)(-1133)) {
1332 env
->gpr
[7] = 1; /* error flag */
1337 env
->gpr
[7] = 0; /* error flag */
1347 insn
= tget32(env
->PC
);
1349 // printf("insn=%08x op=%02x\n", insn, op);
1350 /* XXX: totally dummy FP ops just to be able to launch
1351 a few executables */
1353 case 0x31: /* LWC1 */
1356 case 0x39: /* SWC1 */
1360 switch((insn
>> 21) & 0x1f) {
1361 case 0x02: /* CFC1 */
1370 info
.si_signo
= TARGET_SIGILL
;
1373 queue_signal(info
.si_signo
, &info
);
1380 fprintf(stderr
, "qemu: unhandled CPU exception 0x%x - aborting\n",
1382 cpu_dump_state(env
, stderr
, fprintf
, 0);
1385 process_pending_signals(env
);
1392 printf("qemu-" TARGET_ARCH
" version " QEMU_VERSION
", Copyright (c) 2003-2005 Fabrice Bellard\n"
1393 "usage: qemu-" TARGET_ARCH
" [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n"
1394 "Linux CPU emulator (compiled for %s emulation)\n"
1396 "-h print this help\n"
1397 "-g port wait gdb connection to port\n"
1398 "-L path set the elf interpreter prefix (default=%s)\n"
1399 "-s size set the stack size in bytes (default=%ld)\n"
1402 #ifdef USE_CODE_COPY
1403 "-no-code-copy disable code copy acceleration\n"
1405 "-d options activate log (logfile=%s)\n"
1406 "-p pagesize set the host page size to 'pagesize'\n",
1414 /* XXX: currently only used for async signals (see signal.c) */
1415 CPUState
*global_env
;
1417 /* used to free thread contexts */
1418 TaskState
*first_task_state
;
1420 int main(int argc
, char **argv
)
1422 const char *filename
;
1423 struct target_pt_regs regs1
, *regs
= ®s1
;
1424 struct image_info info1
, *info
= &info1
;
1425 TaskState ts1
, *ts
= &ts1
;
1429 int gdbstub_port
= 0;
1435 cpu_set_log_filename(DEBUG_LOGFILE
);
1446 if (!strcmp(r
, "-")) {
1448 } else if (!strcmp(r
, "d")) {
1456 mask
= cpu_str_to_log_mask(r
);
1458 printf("Log items (comma separated):\n");
1459 for(item
= cpu_log_items
; item
->mask
!= 0; item
++) {
1460 printf("%-10s %s\n", item
->name
, item
->help
);
1465 } else if (!strcmp(r
, "s")) {
1467 x86_stack_size
= strtol(r
, (char **)&r
, 0);
1468 if (x86_stack_size
<= 0)
1471 x86_stack_size
*= 1024 * 1024;
1472 else if (*r
== 'k' || *r
== 'K')
1473 x86_stack_size
*= 1024;
1474 } else if (!strcmp(r
, "L")) {
1475 interp_prefix
= argv
[optind
++];
1476 } else if (!strcmp(r
, "p")) {
1477 qemu_host_page_size
= atoi(argv
[optind
++]);
1478 if (qemu_host_page_size
== 0 ||
1479 (qemu_host_page_size
& (qemu_host_page_size
- 1)) != 0) {
1480 fprintf(stderr
, "page size must be a power of two\n");
1483 } else if (!strcmp(r
, "g")) {
1484 gdbstub_port
= atoi(argv
[optind
++]);
1486 #ifdef USE_CODE_COPY
1487 if (!strcmp(r
, "no-code-copy")) {
1488 code_copy_enabled
= 0;
1497 filename
= argv
[optind
];
1500 memset(regs
, 0, sizeof(struct target_pt_regs
));
1502 /* Zero out image_info */
1503 memset(info
, 0, sizeof(struct image_info
));
1505 /* Scan interp_prefix dir for replacement files. */
1506 init_paths(interp_prefix
);
1508 /* NOTE: we need to init the CPU at this stage to get
1509 qemu_host_page_size */
1513 if (elf_exec(filename
, argv
+optind
, environ
, regs
, info
) != 0) {
1514 printf("Error loading %s\n", filename
);
1521 fprintf(logfile
, "start_brk 0x%08lx\n" , info
->start_brk
);
1522 fprintf(logfile
, "end_code 0x%08lx\n" , info
->end_code
);
1523 fprintf(logfile
, "start_code 0x%08lx\n" , info
->start_code
);
1524 fprintf(logfile
, "end_data 0x%08lx\n" , info
->end_data
);
1525 fprintf(logfile
, "start_stack 0x%08lx\n" , info
->start_stack
);
1526 fprintf(logfile
, "brk 0x%08lx\n" , info
->brk
);
1527 fprintf(logfile
, "entry 0x%08lx\n" , info
->entry
);
1530 target_set_brk(info
->brk
);
1534 /* build Task State */
1535 memset(ts
, 0, sizeof(TaskState
));
1538 env
->user_mode_only
= 1;
1540 #if defined(TARGET_I386)
1541 cpu_x86_set_cpl(env
, 3);
1543 env
->cr
[0] = CR0_PG_MASK
| CR0_WP_MASK
| CR0_PE_MASK
;
1544 env
->hflags
|= HF_PE_MASK
;
1545 if (env
->cpuid_features
& CPUID_SSE
) {
1546 env
->cr
[4] |= CR4_OSFXSR_MASK
;
1547 env
->hflags
|= HF_OSFXSR_MASK
;
1550 /* flags setup : we activate the IRQs by default as in user mode */
1551 env
->eflags
|= IF_MASK
;
1553 /* linux register setup */
1554 env
->regs
[R_EAX
] = regs
->eax
;
1555 env
->regs
[R_EBX
] = regs
->ebx
;
1556 env
->regs
[R_ECX
] = regs
->ecx
;
1557 env
->regs
[R_EDX
] = regs
->edx
;
1558 env
->regs
[R_ESI
] = regs
->esi
;
1559 env
->regs
[R_EDI
] = regs
->edi
;
1560 env
->regs
[R_EBP
] = regs
->ebp
;
1561 env
->regs
[R_ESP
] = regs
->esp
;
1562 env
->eip
= regs
->eip
;
1564 /* linux interrupt setup */
1565 env
->idt
.base
= h2g(idt_table
);
1566 env
->idt
.limit
= sizeof(idt_table
) - 1;
1589 /* linux segment setup */
1590 env
->gdt
.base
= h2g(gdt_table
);
1591 env
->gdt
.limit
= sizeof(gdt_table
) - 1;
1592 write_dt(&gdt_table
[__USER_CS
>> 3], 0, 0xfffff,
1593 DESC_G_MASK
| DESC_B_MASK
| DESC_P_MASK
| DESC_S_MASK
|
1594 (3 << DESC_DPL_SHIFT
) | (0xa << DESC_TYPE_SHIFT
));
1595 write_dt(&gdt_table
[__USER_DS
>> 3], 0, 0xfffff,
1596 DESC_G_MASK
| DESC_B_MASK
| DESC_P_MASK
| DESC_S_MASK
|
1597 (3 << DESC_DPL_SHIFT
) | (0x2 << DESC_TYPE_SHIFT
));
1598 cpu_x86_load_seg(env
, R_CS
, __USER_CS
);
1599 cpu_x86_load_seg(env
, R_DS
, __USER_DS
);
1600 cpu_x86_load_seg(env
, R_ES
, __USER_DS
);
1601 cpu_x86_load_seg(env
, R_SS
, __USER_DS
);
1602 cpu_x86_load_seg(env
, R_FS
, __USER_DS
);
1603 cpu_x86_load_seg(env
, R_GS
, __USER_DS
);
1605 #elif defined(TARGET_ARM)
1608 cpu_arm_set_model(env
, ARM_CPUID_ARM1026
);
1609 cpsr_write(env
, regs
->uregs
[16], 0xffffffff);
1610 for(i
= 0; i
< 16; i
++) {
1611 env
->regs
[i
] = regs
->uregs
[i
];
1613 ts
->stack_base
= info
->start_stack
;
1614 ts
->heap_base
= info
->brk
;
1615 /* This will be filled in on the first SYS_HEAPINFO call. */
1618 #elif defined(TARGET_SPARC)
1622 env
->npc
= regs
->npc
;
1624 for(i
= 0; i
< 8; i
++)
1625 env
->gregs
[i
] = regs
->u_regs
[i
];
1626 for(i
= 0; i
< 8; i
++)
1627 env
->regwptr
[i
] = regs
->u_regs
[i
+ 8];
1629 #elif defined(TARGET_PPC)
1634 /* Choose and initialise CPU */
1635 /* XXX: CPU model (or PVR) should be provided on command line */
1636 // ppc_find_by_name("750gx", &def);
1637 // ppc_find_by_name("750fx", &def);
1638 // ppc_find_by_name("750p", &def);
1639 ppc_find_by_name("750", &def
);
1640 // ppc_find_by_name("G3", &def);
1641 // ppc_find_by_name("604r", &def);
1642 // ppc_find_by_name("604e", &def);
1643 // ppc_find_by_name("604", &def);
1646 "Unable to find PowerPC CPU definition\n");
1648 cpu_ppc_register(env
, def
);
1650 for (i
= 0; i
< 32; i
++) {
1651 if (i
!= 12 && i
!= 6 && i
!= 13)
1652 env
->msr
[i
] = (regs
->msr
>> i
) & 1;
1654 env
->nip
= regs
->nip
;
1655 for(i
= 0; i
< 32; i
++) {
1656 env
->gpr
[i
] = regs
->gpr
[i
];
1659 #elif defined(TARGET_MIPS)
1663 for(i
= 0; i
< 32; i
++) {
1664 env
->gpr
[i
] = regs
->regs
[i
];
1666 env
->PC
= regs
->cp0_epc
;
1669 #error unsupported target CPU
1673 gdbserver_start (gdbstub_port
);
1674 gdb_handlesig(env
, 0);