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"
31 static const char *interp_prefix = CONFIG_QEMU_PREFIX;
32 const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
34 #if defined(__i386__) && !defined(CONFIG_STATIC)
35 /* Force usage of an ELF interpreter even if it is an ELF shared
37 const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
40 /* for recent libc, we add these dummy symbols which are not declared
41 when generating a linked object (bug in ld ?) */
42 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
43 asm(".globl __preinit_array_start\n"
44 ".globl __preinit_array_end\n"
45 ".globl __init_array_start\n"
46 ".globl __init_array_end\n"
47 ".globl __fini_array_start\n"
48 ".globl __fini_array_end\n"
49 ".section \".rodata\"\n"
50 "__preinit_array_start:\n"
51 "__preinit_array_end:\n"
52 "__init_array_start:\n"
54 "__fini_array_start:\n"
59 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
60 we allocate a bigger stack. Need a better solution, for example
61 by remapping the process stack directly at the right place */
62 unsigned long x86_stack_size = 512 * 1024;
64 void gemu_log(const char *fmt, ...)
69 vfprintf(stderr, fmt, ap);
73 void cpu_outb(CPUState *env, int addr, int val)
75 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
78 void cpu_outw(CPUState *env, int addr, int val)
80 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
83 void cpu_outl(CPUState *env, int addr, int val)
85 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
88 int cpu_inb(CPUState *env, int addr)
90 fprintf(stderr, "inb: port=0x%04x\n", addr);
94 int cpu_inw(CPUState *env, int addr)
96 fprintf(stderr, "inw: port=0x%04x\n", addr);
100 int cpu_inl(CPUState *env, int addr)
102 fprintf(stderr, "inl: port=0x%04x\n", addr);
106 int cpu_get_pic_interrupt(CPUState *env)
111 /* timers for rdtsc */
115 static uint64_t emu_time;
117 int64_t cpu_get_real_ticks(void)
125 /***********************************************************/
126 /* CPUX86 core interface */
128 void cpu_smm_update(CPUState *env)
132 uint64_t cpu_get_tsc(CPUX86State *env)
134 return cpu_get_real_ticks();
137 static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
142 e1 = (addr << 16) | (limit & 0xffff);
143 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
150 static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
151 unsigned long addr, unsigned int sel)
155 e1 = (addr & 0xffff) | (sel << 16);
156 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
162 uint64_t gdt_table[6];
163 uint64_t idt_table[256];
165 /* only dpl matters as we do only user space emulation */
166 static void set_idt(int n, unsigned int dpl)
168 set_gate(idt_table + n, 0, dpl, 0, 0);
171 void cpu_loop(CPUX86State *env)
175 target_siginfo_t info;
178 trapnr = cpu_x86_exec(env);
182 env->regs[R_EAX] = do_syscall(env,
193 info.si_signo = SIGBUS;
195 info.si_code = TARGET_SI_KERNEL;
196 info._sifields._sigfault._addr = 0;
197 queue_signal(info.si_signo, &info);
200 #ifndef TARGET_X86_64
201 if (env->eflags & VM_MASK) {
202 handle_vm86_fault(env);
206 info.si_signo = SIGSEGV;
208 info.si_code = TARGET_SI_KERNEL;
209 info._sifields._sigfault._addr = 0;
210 queue_signal(info.si_signo, &info);
214 info.si_signo = SIGSEGV;
216 if (!(env->error_code & 1))
217 info.si_code = TARGET_SEGV_MAPERR;
219 info.si_code = TARGET_SEGV_ACCERR;
220 info._sifields._sigfault._addr = env->cr[2];
221 queue_signal(info.si_signo, &info);
224 #ifndef TARGET_X86_64
225 if (env->eflags & VM_MASK) {
226 handle_vm86_trap(env, trapnr);
230 /* division by zero */
231 info.si_signo = SIGFPE;
233 info.si_code = TARGET_FPE_INTDIV;
234 info._sifields._sigfault._addr = env->eip;
235 queue_signal(info.si_signo, &info);
240 #ifndef TARGET_X86_64
241 if (env->eflags & VM_MASK) {
242 handle_vm86_trap(env, trapnr);
246 info.si_signo = SIGTRAP;
248 if (trapnr == EXCP01_SSTP) {
249 info.si_code = TARGET_TRAP_BRKPT;
250 info._sifields._sigfault._addr = env->eip;
252 info.si_code = TARGET_SI_KERNEL;
253 info._sifields._sigfault._addr = 0;
255 queue_signal(info.si_signo, &info);
260 #ifndef TARGET_X86_64
261 if (env->eflags & VM_MASK) {
262 handle_vm86_trap(env, trapnr);
266 info.si_signo = SIGSEGV;
268 info.si_code = TARGET_SI_KERNEL;
269 info._sifields._sigfault._addr = 0;
270 queue_signal(info.si_signo, &info);
274 info.si_signo = SIGILL;
276 info.si_code = TARGET_ILL_ILLOPN;
277 info._sifields._sigfault._addr = env->eip;
278 queue_signal(info.si_signo, &info);
281 /* just indicate that signals should be handled asap */
287 sig = gdb_handlesig (env, TARGET_SIGTRAP);
292 info.si_code = TARGET_TRAP_BRKPT;
293 queue_signal(info.si_signo, &info);
298 pc = env->segs[R_CS].base + env->eip;
299 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
303 process_pending_signals(env);
310 /* XXX: find a better solution */
311 extern void tb_invalidate_page_range(abi_ulong start, abi_ulong end);
313 static void arm_cache_flush(abi_ulong start, abi_ulong last)
315 abi_ulong addr, last1;
321 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
324 tb_invalidate_page_range(addr, last1 + 1);
331 void cpu_loop(CPUARMState *env)
334 unsigned int n, insn;
335 target_siginfo_t info;
339 trapnr = cpu_arm_exec(env);
343 TaskState *ts = env->opaque;
346 /* we handle the FPU emulation here, as Linux */
347 /* we get the opcode */
348 opcode = tget32(env->regs[15]);
350 if (EmulateAll(opcode, &ts->fpa, env) == 0) {
351 info.si_signo = SIGILL;
353 info.si_code = TARGET_ILL_ILLOPN;
354 info._sifields._sigfault._addr = env->regs[15];
355 queue_signal(info.si_signo, &info);
367 if (trapnr == EXCP_BKPT) {
369 insn = tget16(env->regs[15]);
373 insn = tget32(env->regs[15]);
374 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
379 insn = tget16(env->regs[15] - 2);
382 insn = tget32(env->regs[15] - 4);
387 if (n == ARM_NR_cacheflush) {
388 arm_cache_flush(env->regs[0], env->regs[1]);
389 } else if (n == ARM_NR_semihosting
390 || n == ARM_NR_thumb_semihosting) {
391 env->regs[0] = do_arm_semihosting (env);
392 } else if (n == 0 || n >= ARM_SYSCALL_BASE
393 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
395 if (env->thumb || n == 0) {
398 n -= ARM_SYSCALL_BASE;
401 env->regs[0] = do_syscall(env,
415 /* just indicate that signals should be handled asap */
417 case EXCP_PREFETCH_ABORT:
418 addr = env->cp15.c6_data;
420 case EXCP_DATA_ABORT:
421 addr = env->cp15.c6_insn;
425 info.si_signo = SIGSEGV;
427 /* XXX: check env->error_code */
428 info.si_code = TARGET_SEGV_MAPERR;
429 info._sifields._sigfault._addr = addr;
430 queue_signal(info.si_signo, &info);
437 sig = gdb_handlesig (env, TARGET_SIGTRAP);
442 info.si_code = TARGET_TRAP_BRKPT;
443 queue_signal(info.si_signo, &info);
449 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
451 cpu_dump_state(env, stderr, fprintf, 0);
454 process_pending_signals(env);
464 /* WARNING: dealing with register windows _is_ complicated. More info
465 can be found at http://www.sics.se/~psm/sparcstack.html */
466 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
468 index = (index + cwp * 16) & (16 * NWINDOWS - 1);
469 /* wrap handling : if cwp is on the last window, then we use the
470 registers 'after' the end */
471 if (index < 8 && env->cwp == (NWINDOWS - 1))
472 index += (16 * NWINDOWS);
476 /* save the register window 'cwp1' */
477 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
482 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
483 #if defined(DEBUG_WIN)
484 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
487 for(i = 0; i < 16; i++) {
488 tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
489 sp_ptr += sizeof(abi_ulong);
493 static void save_window(CPUSPARCState *env)
495 #ifndef TARGET_SPARC64
496 unsigned int new_wim;
497 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
498 ((1LL << NWINDOWS) - 1);
499 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
502 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
508 static void restore_window(CPUSPARCState *env)
510 unsigned int new_wim, i, cwp1;
513 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
514 ((1LL << NWINDOWS) - 1);
516 /* restore the invalid window */
517 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
518 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
519 #if defined(DEBUG_WIN)
520 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
523 for(i = 0; i < 16; i++) {
524 env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
525 sp_ptr += sizeof(abi_ulong);
528 #ifdef TARGET_SPARC64
530 if (env->cleanwin < NWINDOWS - 1)
536 static void flush_windows(CPUSPARCState *env)
542 /* if restore would invoke restore_window(), then we can stop */
543 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
544 if (env->wim & (1 << cwp1))
546 save_window_offset(env, cwp1);
549 /* set wim so that restore will reload the registers */
550 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
551 env->wim = 1 << cwp1;
552 #if defined(DEBUG_WIN)
553 printf("flush_windows: nb=%d\n", offset - 1);
557 void cpu_loop (CPUSPARCState *env)
560 target_siginfo_t info;
563 trapnr = cpu_sparc_exec (env);
566 #ifndef TARGET_SPARC64
573 ret = do_syscall (env, env->gregs[1],
574 env->regwptr[0], env->regwptr[1],
575 env->regwptr[2], env->regwptr[3],
576 env->regwptr[4], env->regwptr[5]);
577 if ((unsigned int)ret >= (unsigned int)(-515)) {
578 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
579 env->xcc |= PSR_CARRY;
581 env->psr |= PSR_CARRY;
585 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
586 env->xcc &= ~PSR_CARRY;
588 env->psr &= ~PSR_CARRY;
591 env->regwptr[0] = ret;
592 /* next instruction */
594 env->npc = env->npc + 4;
596 case 0x83: /* flush windows */
601 /* next instruction */
603 env->npc = env->npc + 4;
605 #ifndef TARGET_SPARC64
606 case TT_WIN_OVF: /* window overflow */
609 case TT_WIN_UNF: /* window underflow */
615 info.si_signo = SIGSEGV;
617 /* XXX: check env->error_code */
618 info.si_code = TARGET_SEGV_MAPERR;
619 info._sifields._sigfault._addr = env->mmuregs[4];
620 queue_signal(info.si_signo, &info);
624 case TT_SPILL: /* window overflow */
627 case TT_FILL: /* window underflow */
633 info.si_signo = SIGSEGV;
635 /* XXX: check env->error_code */
636 info.si_code = TARGET_SEGV_MAPERR;
637 if (trapnr == TT_DFAULT)
638 info._sifields._sigfault._addr = env->dmmuregs[4];
640 info._sifields._sigfault._addr = env->tpc[env->tl];
641 queue_signal(info.si_signo, &info);
647 sparc64_get_context(env);
651 sparc64_set_context(env);
656 /* just indicate that signals should be handled asap */
662 sig = gdb_handlesig (env, TARGET_SIGTRAP);
667 info.si_code = TARGET_TRAP_BRKPT;
668 queue_signal(info.si_signo, &info);
673 printf ("Unhandled trap: 0x%x\n", trapnr);
674 cpu_dump_state(env, stderr, fprintf, 0);
677 process_pending_signals (env);
684 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
690 uint32_t cpu_ppc_load_tbl (CPUState *env)
692 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
695 uint32_t cpu_ppc_load_tbu (CPUState *env)
697 return cpu_ppc_get_tb(env) >> 32;
700 uint32_t cpu_ppc_load_atbl (CPUState *env)
702 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
705 uint32_t cpu_ppc_load_atbu (CPUState *env)
707 return cpu_ppc_get_tb(env) >> 32;
710 uint32_t cpu_ppc601_load_rtcu (CPUState *env)
711 __attribute__ (( alias ("cpu_ppc_load_tbu") ));
713 uint32_t cpu_ppc601_load_rtcl (CPUState *env)
715 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
718 /* XXX: to be fixed */
719 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
724 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
729 #define EXCP_DUMP(env, fmt, args...) \
731 fprintf(stderr, fmt , ##args); \
732 cpu_dump_state(env, stderr, fprintf, 0); \
733 if (loglevel != 0) { \
734 fprintf(logfile, fmt , ##args); \
735 cpu_dump_state(env, logfile, fprintf, 0); \
739 void cpu_loop(CPUPPCState *env)
741 target_siginfo_t info;
746 trapnr = cpu_ppc_exec(env);
748 case POWERPC_EXCP_NONE:
751 case POWERPC_EXCP_CRITICAL: /* Critical input */
752 cpu_abort(env, "Critical interrupt while in user mode. "
755 case POWERPC_EXCP_MCHECK: /* Machine check exception */
756 cpu_abort(env, "Machine check exception while in user mode. "
759 case POWERPC_EXCP_DSI: /* Data storage exception */
760 EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
762 /* XXX: check this. Seems bugged */
763 switch (env->error_code & 0xFF000000) {
765 info.si_signo = TARGET_SIGSEGV;
767 info.si_code = TARGET_SEGV_MAPERR;
770 info.si_signo = TARGET_SIGILL;
772 info.si_code = TARGET_ILL_ILLADR;
775 info.si_signo = TARGET_SIGSEGV;
777 info.si_code = TARGET_SEGV_ACCERR;
780 /* Let's send a regular segfault... */
781 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
783 info.si_signo = TARGET_SIGSEGV;
785 info.si_code = TARGET_SEGV_MAPERR;
788 info._sifields._sigfault._addr = env->nip;
789 queue_signal(info.si_signo, &info);
791 case POWERPC_EXCP_ISI: /* Instruction storage exception */
792 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
794 /* XXX: check this */
795 switch (env->error_code & 0xFF000000) {
797 info.si_signo = TARGET_SIGSEGV;
799 info.si_code = TARGET_SEGV_MAPERR;
803 info.si_signo = TARGET_SIGSEGV;
805 info.si_code = TARGET_SEGV_ACCERR;
808 /* Let's send a regular segfault... */
809 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
811 info.si_signo = TARGET_SIGSEGV;
813 info.si_code = TARGET_SEGV_MAPERR;
816 info._sifields._sigfault._addr = env->nip - 4;
817 queue_signal(info.si_signo, &info);
819 case POWERPC_EXCP_EXTERNAL: /* External input */
820 cpu_abort(env, "External interrupt while in user mode. "
823 case POWERPC_EXCP_ALIGN: /* Alignment exception */
824 EXCP_DUMP(env, "Unaligned memory access\n");
825 /* XXX: check this */
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);
832 case POWERPC_EXCP_PROGRAM: /* Program exception */
833 /* XXX: check this */
834 switch (env->error_code & ~0xF) {
835 case POWERPC_EXCP_FP:
836 EXCP_DUMP(env, "Floating point program exception\n");
837 info.si_signo = TARGET_SIGFPE;
839 switch (env->error_code & 0xF) {
840 case POWERPC_EXCP_FP_OX:
841 info.si_code = TARGET_FPE_FLTOVF;
843 case POWERPC_EXCP_FP_UX:
844 info.si_code = TARGET_FPE_FLTUND;
846 case POWERPC_EXCP_FP_ZX:
847 case POWERPC_EXCP_FP_VXZDZ:
848 info.si_code = TARGET_FPE_FLTDIV;
850 case POWERPC_EXCP_FP_XX:
851 info.si_code = TARGET_FPE_FLTRES;
853 case POWERPC_EXCP_FP_VXSOFT:
854 info.si_code = TARGET_FPE_FLTINV;
856 case POWERPC_EXCP_FP_VXSNAN:
857 case POWERPC_EXCP_FP_VXISI:
858 case POWERPC_EXCP_FP_VXIDI:
859 case POWERPC_EXCP_FP_VXIMZ:
860 case POWERPC_EXCP_FP_VXVC:
861 case POWERPC_EXCP_FP_VXSQRT:
862 case POWERPC_EXCP_FP_VXCVI:
863 info.si_code = TARGET_FPE_FLTSUB;
866 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
871 case POWERPC_EXCP_INVAL:
872 EXCP_DUMP(env, "Invalid instruction\n");
873 info.si_signo = TARGET_SIGILL;
875 switch (env->error_code & 0xF) {
876 case POWERPC_EXCP_INVAL_INVAL:
877 info.si_code = TARGET_ILL_ILLOPC;
879 case POWERPC_EXCP_INVAL_LSWX:
880 info.si_code = TARGET_ILL_ILLOPN;
882 case POWERPC_EXCP_INVAL_SPR:
883 info.si_code = TARGET_ILL_PRVREG;
885 case POWERPC_EXCP_INVAL_FP:
886 info.si_code = TARGET_ILL_COPROC;
889 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
890 env->error_code & 0xF);
891 info.si_code = TARGET_ILL_ILLADR;
895 case POWERPC_EXCP_PRIV:
896 EXCP_DUMP(env, "Privilege violation\n");
897 info.si_signo = TARGET_SIGILL;
899 switch (env->error_code & 0xF) {
900 case POWERPC_EXCP_PRIV_OPC:
901 info.si_code = TARGET_ILL_PRVOPC;
903 case POWERPC_EXCP_PRIV_REG:
904 info.si_code = TARGET_ILL_PRVREG;
907 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
908 env->error_code & 0xF);
909 info.si_code = TARGET_ILL_PRVOPC;
913 case POWERPC_EXCP_TRAP:
914 cpu_abort(env, "Tried to call a TRAP\n");
917 /* Should not happen ! */
918 cpu_abort(env, "Unknown program exception (%02x)\n",
922 info._sifields._sigfault._addr = env->nip - 4;
923 queue_signal(info.si_signo, &info);
925 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
926 EXCP_DUMP(env, "No floating point allowed\n");
927 info.si_signo = TARGET_SIGILL;
929 info.si_code = TARGET_ILL_COPROC;
930 info._sifields._sigfault._addr = env->nip - 4;
931 queue_signal(info.si_signo, &info);
933 case POWERPC_EXCP_SYSCALL: /* System call exception */
934 cpu_abort(env, "Syscall exception while in user mode. "
937 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
938 EXCP_DUMP(env, "No APU instruction allowed\n");
939 info.si_signo = TARGET_SIGILL;
941 info.si_code = TARGET_ILL_COPROC;
942 info._sifields._sigfault._addr = env->nip - 4;
943 queue_signal(info.si_signo, &info);
945 case POWERPC_EXCP_DECR: /* Decrementer exception */
946 cpu_abort(env, "Decrementer interrupt while in user mode. "
949 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
950 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
953 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
954 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
957 case POWERPC_EXCP_DTLB: /* Data TLB error */
958 cpu_abort(env, "Data TLB exception while in user mode. "
961 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
962 cpu_abort(env, "Instruction TLB exception while in user mode. "
965 case POWERPC_EXCP_DEBUG: /* Debug interrupt */
966 /* XXX: check this */
970 sig = gdb_handlesig(env, TARGET_SIGTRAP);
974 info.si_code = TARGET_TRAP_BRKPT;
975 queue_signal(info.si_signo, &info);
979 #if defined(TARGET_PPCEMB)
980 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
981 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
982 info.si_signo = TARGET_SIGILL;
984 info.si_code = TARGET_ILL_COPROC;
985 info._sifields._sigfault._addr = env->nip - 4;
986 queue_signal(info.si_signo, &info);
988 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
989 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
991 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
992 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
994 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
995 cpu_abort(env, "Performance monitor exception not handled\n");
997 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
998 cpu_abort(env, "Doorbell interrupt while in user mode. "
1001 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1002 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1005 case POWERPC_EXCP_RESET: /* System reset exception */
1006 cpu_abort(env, "Reset interrupt while in user mode. "
1009 #endif /* defined(TARGET_PPCEMB) */
1010 #if defined(TARGET_PPC64) && !defined(TARGET_ABI32) /* PowerPC 64 */
1011 case POWERPC_EXCP_DSEG: /* Data segment exception */
1012 cpu_abort(env, "Data segment exception while in user mode. "
1015 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1016 cpu_abort(env, "Instruction segment exception "
1017 "while in user mode. Aborting\n");
1019 #endif /* defined(TARGET_PPC64) && !defined(TARGET_ABI32) */
1020 #if defined(TARGET_PPC64H) && !defined(TARGET_ABI32)
1021 /* PowerPC 64 with hypervisor mode support */
1022 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1023 cpu_abort(env, "Hypervisor decrementer interrupt "
1024 "while in user mode. Aborting\n");
1026 #endif /* defined(TARGET_PPC64H) && !defined(TARGET_ABI32) */
1027 case POWERPC_EXCP_TRACE: /* Trace exception */
1029 * we use this exception to emulate step-by-step execution mode.
1032 #if defined(TARGET_PPC64H) && !defined(TARGET_ABI32)
1033 /* PowerPC 64 with hypervisor mode support */
1034 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1035 cpu_abort(env, "Hypervisor data storage exception "
1036 "while in user mode. Aborting\n");
1038 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1039 cpu_abort(env, "Hypervisor instruction storage exception "
1040 "while in user mode. Aborting\n");
1042 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1043 cpu_abort(env, "Hypervisor data segment exception "
1044 "while in user mode. Aborting\n");
1046 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1047 cpu_abort(env, "Hypervisor instruction segment exception "
1048 "while in user mode. Aborting\n");
1050 #endif /* defined(TARGET_PPC64H) && !defined(TARGET_ABI32) */
1051 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1052 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1053 info.si_signo = TARGET_SIGILL;
1055 info.si_code = TARGET_ILL_COPROC;
1056 info._sifields._sigfault._addr = env->nip - 4;
1057 queue_signal(info.si_signo, &info);
1059 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1060 cpu_abort(env, "Programable interval timer interrupt "
1061 "while in user mode. Aborting\n");
1063 case POWERPC_EXCP_IO: /* IO error exception */
1064 cpu_abort(env, "IO error exception while in user mode. "
1067 case POWERPC_EXCP_RUNM: /* Run mode exception */
1068 cpu_abort(env, "Run mode exception while in user mode. "
1071 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1072 cpu_abort(env, "Emulation trap exception not handled\n");
1074 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1075 cpu_abort(env, "Instruction fetch TLB exception "
1076 "while in user-mode. Aborting");
1078 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1079 cpu_abort(env, "Data load TLB exception while in user-mode. "
1082 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1083 cpu_abort(env, "Data store TLB exception while in user-mode. "
1086 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1087 cpu_abort(env, "Floating-point assist exception not handled\n");
1089 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1090 cpu_abort(env, "Instruction address breakpoint exception "
1093 case POWERPC_EXCP_SMI: /* System management interrupt */
1094 cpu_abort(env, "System management interrupt while in user mode. "
1097 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1098 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1101 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1102 cpu_abort(env, "Performance monitor exception not handled\n");
1104 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1105 cpu_abort(env, "Vector assist exception not handled\n");
1107 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1108 cpu_abort(env, "Soft patch exception not handled\n");
1110 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1111 cpu_abort(env, "Maintenance exception while in user mode. "
1114 case POWERPC_EXCP_STOP: /* stop translation */
1115 /* We did invalidate the instruction cache. Go on */
1117 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1118 /* We just stopped because of a branch. Go on */
1120 case POWERPC_EXCP_SYSCALL_USER:
1121 /* system call in user-mode emulation */
1123 * PPC ABI uses overflow flag in cr0 to signal an error
1127 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1128 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1130 env->crf[0] &= ~0x1;
1131 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1132 env->gpr[5], env->gpr[6], env->gpr[7],
1134 if (ret > (uint32_t)(-515)) {
1140 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1143 case EXCP_INTERRUPT:
1144 /* just indicate that signals should be handled asap */
1147 cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1150 process_pending_signals(env);
1157 #define MIPS_SYS(name, args) args,
1159 static const uint8_t mips_syscall_args[] = {
1160 MIPS_SYS(sys_syscall , 0) /* 4000 */
1161 MIPS_SYS(sys_exit , 1)
1162 MIPS_SYS(sys_fork , 0)
1163 MIPS_SYS(sys_read , 3)
1164 MIPS_SYS(sys_write , 3)
1165 MIPS_SYS(sys_open , 3) /* 4005 */
1166 MIPS_SYS(sys_close , 1)
1167 MIPS_SYS(sys_waitpid , 3)
1168 MIPS_SYS(sys_creat , 2)
1169 MIPS_SYS(sys_link , 2)
1170 MIPS_SYS(sys_unlink , 1) /* 4010 */
1171 MIPS_SYS(sys_execve , 0)
1172 MIPS_SYS(sys_chdir , 1)
1173 MIPS_SYS(sys_time , 1)
1174 MIPS_SYS(sys_mknod , 3)
1175 MIPS_SYS(sys_chmod , 2) /* 4015 */
1176 MIPS_SYS(sys_lchown , 3)
1177 MIPS_SYS(sys_ni_syscall , 0)
1178 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1179 MIPS_SYS(sys_lseek , 3)
1180 MIPS_SYS(sys_getpid , 0) /* 4020 */
1181 MIPS_SYS(sys_mount , 5)
1182 MIPS_SYS(sys_oldumount , 1)
1183 MIPS_SYS(sys_setuid , 1)
1184 MIPS_SYS(sys_getuid , 0)
1185 MIPS_SYS(sys_stime , 1) /* 4025 */
1186 MIPS_SYS(sys_ptrace , 4)
1187 MIPS_SYS(sys_alarm , 1)
1188 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1189 MIPS_SYS(sys_pause , 0)
1190 MIPS_SYS(sys_utime , 2) /* 4030 */
1191 MIPS_SYS(sys_ni_syscall , 0)
1192 MIPS_SYS(sys_ni_syscall , 0)
1193 MIPS_SYS(sys_access , 2)
1194 MIPS_SYS(sys_nice , 1)
1195 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1196 MIPS_SYS(sys_sync , 0)
1197 MIPS_SYS(sys_kill , 2)
1198 MIPS_SYS(sys_rename , 2)
1199 MIPS_SYS(sys_mkdir , 2)
1200 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1201 MIPS_SYS(sys_dup , 1)
1202 MIPS_SYS(sys_pipe , 0)
1203 MIPS_SYS(sys_times , 1)
1204 MIPS_SYS(sys_ni_syscall , 0)
1205 MIPS_SYS(sys_brk , 1) /* 4045 */
1206 MIPS_SYS(sys_setgid , 1)
1207 MIPS_SYS(sys_getgid , 0)
1208 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1209 MIPS_SYS(sys_geteuid , 0)
1210 MIPS_SYS(sys_getegid , 0) /* 4050 */
1211 MIPS_SYS(sys_acct , 0)
1212 MIPS_SYS(sys_umount , 2)
1213 MIPS_SYS(sys_ni_syscall , 0)
1214 MIPS_SYS(sys_ioctl , 3)
1215 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1216 MIPS_SYS(sys_ni_syscall , 2)
1217 MIPS_SYS(sys_setpgid , 2)
1218 MIPS_SYS(sys_ni_syscall , 0)
1219 MIPS_SYS(sys_olduname , 1)
1220 MIPS_SYS(sys_umask , 1) /* 4060 */
1221 MIPS_SYS(sys_chroot , 1)
1222 MIPS_SYS(sys_ustat , 2)
1223 MIPS_SYS(sys_dup2 , 2)
1224 MIPS_SYS(sys_getppid , 0)
1225 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1226 MIPS_SYS(sys_setsid , 0)
1227 MIPS_SYS(sys_sigaction , 3)
1228 MIPS_SYS(sys_sgetmask , 0)
1229 MIPS_SYS(sys_ssetmask , 1)
1230 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1231 MIPS_SYS(sys_setregid , 2)
1232 MIPS_SYS(sys_sigsuspend , 0)
1233 MIPS_SYS(sys_sigpending , 1)
1234 MIPS_SYS(sys_sethostname , 2)
1235 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1236 MIPS_SYS(sys_getrlimit , 2)
1237 MIPS_SYS(sys_getrusage , 2)
1238 MIPS_SYS(sys_gettimeofday, 2)
1239 MIPS_SYS(sys_settimeofday, 2)
1240 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1241 MIPS_SYS(sys_setgroups , 2)
1242 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1243 MIPS_SYS(sys_symlink , 2)
1244 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1245 MIPS_SYS(sys_readlink , 3) /* 4085 */
1246 MIPS_SYS(sys_uselib , 1)
1247 MIPS_SYS(sys_swapon , 2)
1248 MIPS_SYS(sys_reboot , 3)
1249 MIPS_SYS(old_readdir , 3)
1250 MIPS_SYS(old_mmap , 6) /* 4090 */
1251 MIPS_SYS(sys_munmap , 2)
1252 MIPS_SYS(sys_truncate , 2)
1253 MIPS_SYS(sys_ftruncate , 2)
1254 MIPS_SYS(sys_fchmod , 2)
1255 MIPS_SYS(sys_fchown , 3) /* 4095 */
1256 MIPS_SYS(sys_getpriority , 2)
1257 MIPS_SYS(sys_setpriority , 3)
1258 MIPS_SYS(sys_ni_syscall , 0)
1259 MIPS_SYS(sys_statfs , 2)
1260 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1261 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1262 MIPS_SYS(sys_socketcall , 2)
1263 MIPS_SYS(sys_syslog , 3)
1264 MIPS_SYS(sys_setitimer , 3)
1265 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1266 MIPS_SYS(sys_newstat , 2)
1267 MIPS_SYS(sys_newlstat , 2)
1268 MIPS_SYS(sys_newfstat , 2)
1269 MIPS_SYS(sys_uname , 1)
1270 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1271 MIPS_SYS(sys_vhangup , 0)
1272 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1273 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1274 MIPS_SYS(sys_wait4 , 4)
1275 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1276 MIPS_SYS(sys_sysinfo , 1)
1277 MIPS_SYS(sys_ipc , 6)
1278 MIPS_SYS(sys_fsync , 1)
1279 MIPS_SYS(sys_sigreturn , 0)
1280 MIPS_SYS(sys_clone , 0) /* 4120 */
1281 MIPS_SYS(sys_setdomainname, 2)
1282 MIPS_SYS(sys_newuname , 1)
1283 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1284 MIPS_SYS(sys_adjtimex , 1)
1285 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1286 MIPS_SYS(sys_sigprocmask , 3)
1287 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1288 MIPS_SYS(sys_init_module , 5)
1289 MIPS_SYS(sys_delete_module, 1)
1290 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1291 MIPS_SYS(sys_quotactl , 0)
1292 MIPS_SYS(sys_getpgid , 1)
1293 MIPS_SYS(sys_fchdir , 1)
1294 MIPS_SYS(sys_bdflush , 2)
1295 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1296 MIPS_SYS(sys_personality , 1)
1297 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1298 MIPS_SYS(sys_setfsuid , 1)
1299 MIPS_SYS(sys_setfsgid , 1)
1300 MIPS_SYS(sys_llseek , 5) /* 4140 */
1301 MIPS_SYS(sys_getdents , 3)
1302 MIPS_SYS(sys_select , 5)
1303 MIPS_SYS(sys_flock , 2)
1304 MIPS_SYS(sys_msync , 3)
1305 MIPS_SYS(sys_readv , 3) /* 4145 */
1306 MIPS_SYS(sys_writev , 3)
1307 MIPS_SYS(sys_cacheflush , 3)
1308 MIPS_SYS(sys_cachectl , 3)
1309 MIPS_SYS(sys_sysmips , 4)
1310 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1311 MIPS_SYS(sys_getsid , 1)
1312 MIPS_SYS(sys_fdatasync , 0)
1313 MIPS_SYS(sys_sysctl , 1)
1314 MIPS_SYS(sys_mlock , 2)
1315 MIPS_SYS(sys_munlock , 2) /* 4155 */
1316 MIPS_SYS(sys_mlockall , 1)
1317 MIPS_SYS(sys_munlockall , 0)
1318 MIPS_SYS(sys_sched_setparam, 2)
1319 MIPS_SYS(sys_sched_getparam, 2)
1320 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1321 MIPS_SYS(sys_sched_getscheduler, 1)
1322 MIPS_SYS(sys_sched_yield , 0)
1323 MIPS_SYS(sys_sched_get_priority_max, 1)
1324 MIPS_SYS(sys_sched_get_priority_min, 1)
1325 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1326 MIPS_SYS(sys_nanosleep, 2)
1327 MIPS_SYS(sys_mremap , 4)
1328 MIPS_SYS(sys_accept , 3)
1329 MIPS_SYS(sys_bind , 3)
1330 MIPS_SYS(sys_connect , 3) /* 4170 */
1331 MIPS_SYS(sys_getpeername , 3)
1332 MIPS_SYS(sys_getsockname , 3)
1333 MIPS_SYS(sys_getsockopt , 5)
1334 MIPS_SYS(sys_listen , 2)
1335 MIPS_SYS(sys_recv , 4) /* 4175 */
1336 MIPS_SYS(sys_recvfrom , 6)
1337 MIPS_SYS(sys_recvmsg , 3)
1338 MIPS_SYS(sys_send , 4)
1339 MIPS_SYS(sys_sendmsg , 3)
1340 MIPS_SYS(sys_sendto , 6) /* 4180 */
1341 MIPS_SYS(sys_setsockopt , 5)
1342 MIPS_SYS(sys_shutdown , 2)
1343 MIPS_SYS(sys_socket , 3)
1344 MIPS_SYS(sys_socketpair , 4)
1345 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1346 MIPS_SYS(sys_getresuid , 3)
1347 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1348 MIPS_SYS(sys_poll , 3)
1349 MIPS_SYS(sys_nfsservctl , 3)
1350 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1351 MIPS_SYS(sys_getresgid , 3)
1352 MIPS_SYS(sys_prctl , 5)
1353 MIPS_SYS(sys_rt_sigreturn, 0)
1354 MIPS_SYS(sys_rt_sigaction, 4)
1355 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1356 MIPS_SYS(sys_rt_sigpending, 2)
1357 MIPS_SYS(sys_rt_sigtimedwait, 4)
1358 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1359 MIPS_SYS(sys_rt_sigsuspend, 0)
1360 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1361 MIPS_SYS(sys_pwrite64 , 6)
1362 MIPS_SYS(sys_chown , 3)
1363 MIPS_SYS(sys_getcwd , 2)
1364 MIPS_SYS(sys_capget , 2)
1365 MIPS_SYS(sys_capset , 2) /* 4205 */
1366 MIPS_SYS(sys_sigaltstack , 0)
1367 MIPS_SYS(sys_sendfile , 4)
1368 MIPS_SYS(sys_ni_syscall , 0)
1369 MIPS_SYS(sys_ni_syscall , 0)
1370 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1371 MIPS_SYS(sys_truncate64 , 4)
1372 MIPS_SYS(sys_ftruncate64 , 4)
1373 MIPS_SYS(sys_stat64 , 2)
1374 MIPS_SYS(sys_lstat64 , 2)
1375 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1376 MIPS_SYS(sys_pivot_root , 2)
1377 MIPS_SYS(sys_mincore , 3)
1378 MIPS_SYS(sys_madvise , 3)
1379 MIPS_SYS(sys_getdents64 , 3)
1380 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1381 MIPS_SYS(sys_ni_syscall , 0)
1382 MIPS_SYS(sys_gettid , 0)
1383 MIPS_SYS(sys_readahead , 5)
1384 MIPS_SYS(sys_setxattr , 5)
1385 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1386 MIPS_SYS(sys_fsetxattr , 5)
1387 MIPS_SYS(sys_getxattr , 4)
1388 MIPS_SYS(sys_lgetxattr , 4)
1389 MIPS_SYS(sys_fgetxattr , 4)
1390 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1391 MIPS_SYS(sys_llistxattr , 3)
1392 MIPS_SYS(sys_flistxattr , 3)
1393 MIPS_SYS(sys_removexattr , 2)
1394 MIPS_SYS(sys_lremovexattr, 2)
1395 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1396 MIPS_SYS(sys_tkill , 2)
1397 MIPS_SYS(sys_sendfile64 , 5)
1398 MIPS_SYS(sys_futex , 2)
1399 MIPS_SYS(sys_sched_setaffinity, 3)
1400 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1401 MIPS_SYS(sys_io_setup , 2)
1402 MIPS_SYS(sys_io_destroy , 1)
1403 MIPS_SYS(sys_io_getevents, 5)
1404 MIPS_SYS(sys_io_submit , 3)
1405 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1406 MIPS_SYS(sys_exit_group , 1)
1407 MIPS_SYS(sys_lookup_dcookie, 3)
1408 MIPS_SYS(sys_epoll_create, 1)
1409 MIPS_SYS(sys_epoll_ctl , 4)
1410 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1411 MIPS_SYS(sys_remap_file_pages, 5)
1412 MIPS_SYS(sys_set_tid_address, 1)
1413 MIPS_SYS(sys_restart_syscall, 0)
1414 MIPS_SYS(sys_fadvise64_64, 7)
1415 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1416 MIPS_SYS(sys_fstatfs64 , 2)
1417 MIPS_SYS(sys_timer_create, 3)
1418 MIPS_SYS(sys_timer_settime, 4)
1419 MIPS_SYS(sys_timer_gettime, 2)
1420 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1421 MIPS_SYS(sys_timer_delete, 1)
1422 MIPS_SYS(sys_clock_settime, 2)
1423 MIPS_SYS(sys_clock_gettime, 2)
1424 MIPS_SYS(sys_clock_getres, 2)
1425 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1426 MIPS_SYS(sys_tgkill , 3)
1427 MIPS_SYS(sys_utimes , 2)
1428 MIPS_SYS(sys_mbind , 4)
1429 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1430 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1431 MIPS_SYS(sys_mq_open , 4)
1432 MIPS_SYS(sys_mq_unlink , 1)
1433 MIPS_SYS(sys_mq_timedsend, 5)
1434 MIPS_SYS(sys_mq_timedreceive, 5)
1435 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1436 MIPS_SYS(sys_mq_getsetattr, 3)
1437 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1438 MIPS_SYS(sys_waitid , 4)
1439 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1440 MIPS_SYS(sys_add_key , 5)
1441 MIPS_SYS(sys_request_key, 4)
1442 MIPS_SYS(sys_keyctl , 5)
1443 MIPS_SYS(sys_set_thread_area, 1)
1444 MIPS_SYS(sys_inotify_init, 0)
1445 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1446 MIPS_SYS(sys_inotify_rm_watch, 2)
1447 MIPS_SYS(sys_migrate_pages, 4)
1448 MIPS_SYS(sys_openat, 4)
1449 MIPS_SYS(sys_mkdirat, 3)
1450 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1451 MIPS_SYS(sys_fchownat, 5)
1452 MIPS_SYS(sys_futimesat, 3)
1453 MIPS_SYS(sys_fstatat64, 4)
1454 MIPS_SYS(sys_unlinkat, 3)
1455 MIPS_SYS(sys_renameat, 4) /* 4295 */
1456 MIPS_SYS(sys_linkat, 5)
1457 MIPS_SYS(sys_symlinkat, 3)
1458 MIPS_SYS(sys_readlinkat, 4)
1459 MIPS_SYS(sys_fchmodat, 3)
1460 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1461 MIPS_SYS(sys_pselect6, 6)
1462 MIPS_SYS(sys_ppoll, 5)
1463 MIPS_SYS(sys_unshare, 1)
1464 MIPS_SYS(sys_splice, 4)
1465 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1466 MIPS_SYS(sys_tee, 4)
1467 MIPS_SYS(sys_vmsplice, 4)
1468 MIPS_SYS(sys_move_pages, 6)
1469 MIPS_SYS(sys_set_robust_list, 2)
1470 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1471 MIPS_SYS(sys_kexec_load, 4)
1472 MIPS_SYS(sys_getcpu, 3)
1473 MIPS_SYS(sys_epoll_pwait, 6)
1474 MIPS_SYS(sys_ioprio_set, 3)
1475 MIPS_SYS(sys_ioprio_get, 2)
1480 void cpu_loop(CPUMIPSState *env)
1482 target_siginfo_t info;
1484 unsigned int syscall_num;
1487 trapnr = cpu_mips_exec(env);
1490 syscall_num = env->gpr[2][env->current_tc] - 4000;
1491 env->PC[env->current_tc] += 4;
1492 if (syscall_num >= sizeof(mips_syscall_args)) {
1497 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1499 nb_args = mips_syscall_args[syscall_num];
1500 sp_reg = env->gpr[29][env->current_tc];
1502 /* these arguments are taken from the stack */
1503 case 8: arg8 = tgetl(sp_reg + 28);
1504 case 7: arg7 = tgetl(sp_reg + 24);
1505 case 6: arg6 = tgetl(sp_reg + 20);
1506 case 5: arg5 = tgetl(sp_reg + 16);
1510 ret = do_syscall(env, env->gpr[2][env->current_tc],
1511 env->gpr[4][env->current_tc],
1512 env->gpr[5][env->current_tc],
1513 env->gpr[6][env->current_tc],
1514 env->gpr[7][env->current_tc],
1515 arg5, arg6/*, arg7, arg8*/);
1517 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1518 env->gpr[7][env->current_tc] = 1; /* error flag */
1521 env->gpr[7][env->current_tc] = 0; /* error flag */
1523 env->gpr[2][env->current_tc] = ret;
1529 info.si_signo = TARGET_SIGILL;
1532 queue_signal(info.si_signo, &info);
1534 case EXCP_INTERRUPT:
1535 /* just indicate that signals should be handled asap */
1541 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1544 info.si_signo = sig;
1546 info.si_code = TARGET_TRAP_BRKPT;
1547 queue_signal(info.si_signo, &info);
1553 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1555 cpu_dump_state(env, stderr, fprintf, 0);
1558 process_pending_signals(env);
1564 void cpu_loop (CPUState *env)
1567 target_siginfo_t info;
1570 trapnr = cpu_sh4_exec (env);
1574 ret = do_syscall(env,
1582 env->gregs[0] = ret;
1589 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1592 info.si_signo = sig;
1594 info.si_code = TARGET_TRAP_BRKPT;
1595 queue_signal(info.si_signo, &info);
1600 printf ("Unhandled trap: 0x%x\n", trapnr);
1601 cpu_dump_state(env, stderr, fprintf, 0);
1604 process_pending_signals (env);
1610 void cpu_loop (CPUState *env)
1613 target_siginfo_t info;
1616 trapnr = cpu_cris_exec (env);
1620 info.si_signo = SIGSEGV;
1622 /* XXX: check env->error_code */
1623 info.si_code = TARGET_SEGV_MAPERR;
1624 info._sifields._sigfault._addr = env->debug1;
1625 queue_signal(info.si_signo, &info);
1629 ret = do_syscall(env,
1637 env->regs[10] = ret;
1644 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1647 info.si_signo = sig;
1649 info.si_code = TARGET_TRAP_BRKPT;
1650 queue_signal(info.si_signo, &info);
1655 printf ("Unhandled trap: 0x%x\n", trapnr);
1656 cpu_dump_state(env, stderr, fprintf, 0);
1659 process_pending_signals (env);
1666 void cpu_loop(CPUM68KState *env)
1670 target_siginfo_t info;
1671 TaskState *ts = env->opaque;
1674 trapnr = cpu_m68k_exec(env);
1678 if (ts->sim_syscalls) {
1680 nr = lduw(env->pc + 2);
1682 do_m68k_simcall(env, nr);
1688 case EXCP_HALT_INSN:
1689 /* Semihosing syscall. */
1691 do_m68k_semihosting(env, env->dregs[0]);
1695 case EXCP_UNSUPPORTED:
1697 info.si_signo = SIGILL;
1699 info.si_code = TARGET_ILL_ILLOPN;
1700 info._sifields._sigfault._addr = env->pc;
1701 queue_signal(info.si_signo, &info);
1705 ts->sim_syscalls = 0;
1708 env->dregs[0] = do_syscall(env,
1718 case EXCP_INTERRUPT:
1719 /* just indicate that signals should be handled asap */
1723 info.si_signo = SIGSEGV;
1725 /* XXX: check env->error_code */
1726 info.si_code = TARGET_SEGV_MAPERR;
1727 info._sifields._sigfault._addr = env->mmu.ar;
1728 queue_signal(info.si_signo, &info);
1735 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1738 info.si_signo = sig;
1740 info.si_code = TARGET_TRAP_BRKPT;
1741 queue_signal(info.si_signo, &info);
1746 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1748 cpu_dump_state(env, stderr, fprintf, 0);
1751 process_pending_signals(env);
1754 #endif /* TARGET_M68K */
1757 void cpu_loop (CPUState *env)
1760 target_siginfo_t info;
1763 trapnr = cpu_alpha_exec (env);
1767 fprintf(stderr, "Reset requested. Exit\n");
1771 fprintf(stderr, "Machine check exception. Exit\n");
1775 fprintf(stderr, "Arithmetic trap.\n");
1778 case EXCP_HW_INTERRUPT:
1779 fprintf(stderr, "External interrupt. Exit\n");
1783 fprintf(stderr, "MMU data fault\n");
1786 case EXCP_DTB_MISS_PAL:
1787 fprintf(stderr, "MMU data TLB miss in PALcode\n");
1791 fprintf(stderr, "MMU instruction TLB miss\n");
1795 fprintf(stderr, "MMU instruction access violation\n");
1798 case EXCP_DTB_MISS_NATIVE:
1799 fprintf(stderr, "MMU data TLB miss\n");
1803 fprintf(stderr, "Unaligned access\n");
1807 fprintf(stderr, "Invalid instruction\n");
1811 fprintf(stderr, "Floating-point not allowed\n");
1814 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
1815 fprintf(stderr, "Call to PALcode\n");
1816 call_pal(env, (trapnr >> 6) | 0x80);
1818 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
1819 fprintf(stderr, "Privileged call to PALcode\n");
1826 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1829 info.si_signo = sig;
1831 info.si_code = TARGET_TRAP_BRKPT;
1832 queue_signal(info.si_signo, &info);
1837 printf ("Unhandled trap: 0x%x\n", trapnr);
1838 cpu_dump_state(env, stderr, fprintf, 0);
1841 process_pending_signals (env);
1844 #endif /* TARGET_ALPHA */
1848 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
1849 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n"
1850 "Linux CPU emulator (compiled for %s emulation)\n"
1852 "-h print this help\n"
1853 "-g port wait gdb connection to port\n"
1854 "-L path set the elf interpreter prefix (default=%s)\n"
1855 "-s size set the stack size in bytes (default=%ld)\n"
1856 "-cpu model select CPU (-cpu ? for list)\n"
1857 "-drop-ld-preload drop LD_PRELOAD for target process\n"
1860 "-d options activate log (logfile=%s)\n"
1861 "-p pagesize set the host page size to 'pagesize'\n"
1862 "-strace log system calls\n",
1870 /* XXX: currently only used for async signals (see signal.c) */
1871 CPUState *global_env;
1873 /* used to free thread contexts */
1874 TaskState *first_task_state;
1876 int main(int argc, char **argv)
1878 const char *filename;
1879 const char *cpu_model;
1880 struct target_pt_regs regs1, *regs = ®s1;
1881 struct image_info info1, *info = &info1;
1882 TaskState ts1, *ts = &ts1;
1886 int gdbstub_port = 0;
1887 int drop_ld_preload = 0, environ_count = 0;
1888 char **target_environ, **wrk, **dst;
1894 cpu_set_log_filename(DEBUG_LOGFILE);
1906 if (!strcmp(r, "-")) {
1908 } else if (!strcmp(r, "d")) {
1916 mask = cpu_str_to_log_mask(r);
1918 printf("Log items (comma separated):\n");
1919 for(item = cpu_log_items; item->mask != 0; item++) {
1920 printf("%-10s %s\n", item->name, item->help);
1925 } else if (!strcmp(r, "s")) {
1927 x86_stack_size = strtol(r, (char **)&r, 0);
1928 if (x86_stack_size <= 0)
1931 x86_stack_size *= 1024 * 1024;
1932 else if (*r == 'k' || *r == 'K')
1933 x86_stack_size *= 1024;
1934 } else if (!strcmp(r, "L")) {
1935 interp_prefix = argv[optind++];
1936 } else if (!strcmp(r, "p")) {
1937 qemu_host_page_size = atoi(argv[optind++]);
1938 if (qemu_host_page_size == 0 ||
1939 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
1940 fprintf(stderr, "page size must be a power of two\n");
1943 } else if (!strcmp(r, "g")) {
1944 gdbstub_port = atoi(argv[optind++]);
1945 } else if (!strcmp(r, "r")) {
1946 qemu_uname_release = argv[optind++];
1947 } else if (!strcmp(r, "cpu")) {
1948 cpu_model = argv[optind++];
1949 if (strcmp(cpu_model, "?") == 0) {
1950 /* XXX: implement xxx_cpu_list for targets that still miss it */
1951 #if defined(cpu_list)
1952 cpu_list(stdout, &fprintf);
1956 } else if (!strcmp(r, "drop-ld-preload")) {
1957 drop_ld_preload = 1;
1958 } else if (!strcmp(r, "strace")) {
1967 filename = argv[optind];
1970 memset(regs, 0, sizeof(struct target_pt_regs));
1972 /* Zero out image_info */
1973 memset(info, 0, sizeof(struct image_info));
1975 /* Scan interp_prefix dir for replacement files. */
1976 init_paths(interp_prefix);
1978 if (cpu_model == NULL) {
1979 #if defined(TARGET_I386)
1980 #ifdef TARGET_X86_64
1981 cpu_model = "qemu64";
1983 cpu_model = "qemu32";
1985 #elif defined(TARGET_ARM)
1986 cpu_model = "arm926";
1987 #elif defined(TARGET_M68K)
1989 #elif defined(TARGET_SPARC)
1990 #ifdef TARGET_SPARC64
1991 cpu_model = "TI UltraSparc II";
1993 cpu_model = "Fujitsu MB86904";
1995 #elif defined(TARGET_MIPS)
1996 #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
2001 #elif defined(TARGET_PPC)
2007 /* NOTE: we need to init the CPU at this stage to get
2008 qemu_host_page_size */
2009 env = cpu_init(cpu_model);
2011 fprintf(stderr, "Unable to find CPU definition\n");
2016 if (getenv("QEMU_STRACE")) {
2024 target_environ = malloc((environ_count + 1) * sizeof(char *));
2025 if (!target_environ)
2027 for (wrk = environ, dst = target_environ; *wrk; wrk++) {
2028 if (drop_ld_preload && !strncmp(*wrk, "LD_PRELOAD=", 11))
2030 *(dst++) = strdup(*wrk);
2032 *dst = NULL; /* NULL terminate target_environ */
2034 if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) {
2035 printf("Error loading %s\n", filename);
2039 for (wrk = target_environ; *wrk; wrk++) {
2043 free(target_environ);
2048 fprintf(logfile, "start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
2049 fprintf(logfile, "end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code);
2050 fprintf(logfile, "start_code 0x" TARGET_ABI_FMT_lx "\n",
2052 fprintf(logfile, "start_data 0x" TARGET_ABI_FMT_lx "\n",
2054 fprintf(logfile, "end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data);
2055 fprintf(logfile, "start_stack 0x" TARGET_ABI_FMT_lx "\n",
2057 fprintf(logfile, "brk 0x" TARGET_ABI_FMT_lx "\n", info->brk);
2058 fprintf(logfile, "entry 0x" TARGET_ABI_FMT_lx "\n", info->entry);
2061 target_set_brk(info->brk);
2065 /* build Task State */
2066 memset(ts, 0, sizeof(TaskState));
2070 env->user_mode_only = 1;
2072 #if defined(TARGET_I386)
2073 cpu_x86_set_cpl(env, 3);
2075 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
2076 env->hflags |= HF_PE_MASK;
2077 if (env->cpuid_features & CPUID_SSE) {
2078 env->cr[4] |= CR4_OSFXSR_MASK;
2079 env->hflags |= HF_OSFXSR_MASK;
2082 /* flags setup : we activate the IRQs by default as in user mode */
2083 env->eflags |= IF_MASK;
2085 /* linux register setup */
2086 #if defined(TARGET_X86_64)
2087 env->regs[R_EAX] = regs->rax;
2088 env->regs[R_EBX] = regs->rbx;
2089 env->regs[R_ECX] = regs->rcx;
2090 env->regs[R_EDX] = regs->rdx;
2091 env->regs[R_ESI] = regs->rsi;
2092 env->regs[R_EDI] = regs->rdi;
2093 env->regs[R_EBP] = regs->rbp;
2094 env->regs[R_ESP] = regs->rsp;
2095 env->eip = regs->rip;
2097 env->regs[R_EAX] = regs->eax;
2098 env->regs[R_EBX] = regs->ebx;
2099 env->regs[R_ECX] = regs->ecx;
2100 env->regs[R_EDX] = regs->edx;
2101 env->regs[R_ESI] = regs->esi;
2102 env->regs[R_EDI] = regs->edi;
2103 env->regs[R_EBP] = regs->ebp;
2104 env->regs[R_ESP] = regs->esp;
2105 env->eip = regs->eip;
2108 /* linux interrupt setup */
2109 env->idt.base = h2g(idt_table);
2110 env->idt.limit = sizeof(idt_table) - 1;
2133 /* linux segment setup */
2134 env->gdt.base = h2g(gdt_table);
2135 env->gdt.limit = sizeof(gdt_table) - 1;
2136 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2137 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2138 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2139 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
2140 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2141 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
2142 cpu_x86_load_seg(env, R_CS, __USER_CS);
2143 cpu_x86_load_seg(env, R_DS, __USER_DS);
2144 cpu_x86_load_seg(env, R_ES, __USER_DS);
2145 cpu_x86_load_seg(env, R_SS, __USER_DS);
2146 cpu_x86_load_seg(env, R_FS, __USER_DS);
2147 cpu_x86_load_seg(env, R_GS, __USER_DS);
2149 /* This hack makes Wine work... */
2150 env->segs[R_FS].selector = 0;
2151 #elif defined(TARGET_ARM)
2154 cpsr_write(env, regs->uregs[16], 0xffffffff);
2155 for(i = 0; i < 16; i++) {
2156 env->regs[i] = regs->uregs[i];
2159 #elif defined(TARGET_SPARC)
2163 env->npc = regs->npc;
2165 for(i = 0; i < 8; i++)
2166 env->gregs[i] = regs->u_regs[i];
2167 for(i = 0; i < 8; i++)
2168 env->regwptr[i] = regs->u_regs[i + 8];
2170 #elif defined(TARGET_PPC)
2174 #if defined(TARGET_PPC64)
2175 #if defined(TARGET_ABI32)
2176 env->msr &= ~((target_ulong)1 << MSR_SF);
2178 env->msr |= (target_ulong)1 << MSR_SF;
2181 env->nip = regs->nip;
2182 for(i = 0; i < 32; i++) {
2183 env->gpr[i] = regs->gpr[i];
2186 #elif defined(TARGET_M68K)
2189 env->dregs[0] = regs->d0;
2190 env->dregs[1] = regs->d1;
2191 env->dregs[2] = regs->d2;
2192 env->dregs[3] = regs->d3;
2193 env->dregs[4] = regs->d4;
2194 env->dregs[5] = regs->d5;
2195 env->dregs[6] = regs->d6;
2196 env->dregs[7] = regs->d7;
2197 env->aregs[0] = regs->a0;
2198 env->aregs[1] = regs->a1;
2199 env->aregs[2] = regs->a2;
2200 env->aregs[3] = regs->a3;
2201 env->aregs[4] = regs->a4;
2202 env->aregs[5] = regs->a5;
2203 env->aregs[6] = regs->a6;
2204 env->aregs[7] = regs->usp;
2206 ts->sim_syscalls = 1;
2208 #elif defined(TARGET_MIPS)
2212 for(i = 0; i < 32; i++) {
2213 env->gpr[i][env->current_tc] = regs->regs[i];
2215 env->PC[env->current_tc] = regs->cp0_epc;
2217 #elif defined(TARGET_SH4)
2221 for(i = 0; i < 16; i++) {
2222 env->gregs[i] = regs->regs[i];
2226 #elif defined(TARGET_ALPHA)
2230 for(i = 0; i < 28; i++) {
2231 env->ir[i] = ((abi_ulong *)regs)[i];
2233 env->ipr[IPR_USP] = regs->usp;
2234 env->ir[30] = regs->usp;
2236 env->unique = regs->unique;
2238 #elif defined(TARGET_CRIS)
2240 env->regs[0] = regs->r0;
2241 env->regs[1] = regs->r1;
2242 env->regs[2] = regs->r2;
2243 env->regs[3] = regs->r3;
2244 env->regs[4] = regs->r4;
2245 env->regs[5] = regs->r5;
2246 env->regs[6] = regs->r6;
2247 env->regs[7] = regs->r7;
2248 env->regs[8] = regs->r8;
2249 env->regs[9] = regs->r9;
2250 env->regs[10] = regs->r10;
2251 env->regs[11] = regs->r11;
2252 env->regs[12] = regs->r12;
2253 env->regs[13] = regs->r13;
2254 env->regs[14] = info->start_stack;
2255 env->regs[15] = regs->acr;
2256 env->pc = regs->erp;
2259 #error unsupported target CPU
2262 #if defined(TARGET_ARM) || defined(TARGET_M68K)
2263 ts->stack_base = info->start_stack;
2264 ts->heap_base = info->brk;
2265 /* This will be filled in on the first SYS_HEAPINFO call. */
2270 gdbserver_start (gdbstub_port);
2271 gdb_handlesig(env, 0);