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 #ifndef TARGET_X86_64
198 if (env->eflags & VM_MASK) {
199 handle_vm86_fault(env);
203 info.si_signo = SIGSEGV;
205 info.si_code = TARGET_SI_KERNEL;
206 info._sifields._sigfault._addr = 0;
207 queue_signal(info.si_signo, &info);
211 info.si_signo = SIGSEGV;
213 if (!(env->error_code & 1))
214 info.si_code = TARGET_SEGV_MAPERR;
216 info.si_code = TARGET_SEGV_ACCERR;
217 info._sifields._sigfault._addr = env->cr[2];
218 queue_signal(info.si_signo, &info);
221 #ifndef TARGET_X86_64
222 if (env->eflags & VM_MASK) {
223 handle_vm86_trap(env, trapnr);
227 /* division by zero */
228 info.si_signo = SIGFPE;
230 info.si_code = TARGET_FPE_INTDIV;
231 info._sifields._sigfault._addr = env->eip;
232 queue_signal(info.si_signo, &info);
237 #ifndef TARGET_X86_64
238 if (env->eflags & VM_MASK) {
239 handle_vm86_trap(env, trapnr);
243 info.si_signo = SIGTRAP;
245 if (trapnr == EXCP01_SSTP) {
246 info.si_code = TARGET_TRAP_BRKPT;
247 info._sifields._sigfault._addr = env->eip;
249 info.si_code = TARGET_SI_KERNEL;
250 info._sifields._sigfault._addr = 0;
252 queue_signal(info.si_signo, &info);
257 #ifndef TARGET_X86_64
258 if (env->eflags & VM_MASK) {
259 handle_vm86_trap(env, trapnr);
263 info.si_signo = SIGSEGV;
265 info.si_code = TARGET_SI_KERNEL;
266 info._sifields._sigfault._addr = 0;
267 queue_signal(info.si_signo, &info);
271 info.si_signo = SIGILL;
273 info.si_code = TARGET_ILL_ILLOPN;
274 info._sifields._sigfault._addr = env->eip;
275 queue_signal(info.si_signo, &info);
278 /* just indicate that signals should be handled asap */
284 sig = gdb_handlesig (env, TARGET_SIGTRAP);
289 info.si_code = TARGET_TRAP_BRKPT;
290 queue_signal(info.si_signo, &info);
295 pc = env->segs[R_CS].base + env->eip;
296 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
300 process_pending_signals(env);
307 /* XXX: find a better solution */
308 extern void tb_invalidate_page_range(abi_ulong start, abi_ulong end);
310 static void arm_cache_flush(abi_ulong start, abi_ulong last)
312 abi_ulong addr, last1;
318 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
321 tb_invalidate_page_range(addr, last1 + 1);
328 void cpu_loop(CPUARMState *env)
331 unsigned int n, insn;
332 target_siginfo_t info;
336 trapnr = cpu_arm_exec(env);
340 TaskState *ts = env->opaque;
343 /* we handle the FPU emulation here, as Linux */
344 /* we get the opcode */
345 opcode = tget32(env->regs[15]);
347 if (EmulateAll(opcode, &ts->fpa, env) == 0) {
348 info.si_signo = SIGILL;
350 info.si_code = TARGET_ILL_ILLOPN;
351 info._sifields._sigfault._addr = env->regs[15];
352 queue_signal(info.si_signo, &info);
364 if (trapnr == EXCP_BKPT) {
366 insn = tget16(env->regs[15]);
370 insn = tget32(env->regs[15]);
371 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
376 insn = tget16(env->regs[15] - 2);
379 insn = tget32(env->regs[15] - 4);
384 if (n == ARM_NR_cacheflush) {
385 arm_cache_flush(env->regs[0], env->regs[1]);
386 } else if (n == ARM_NR_semihosting
387 || n == ARM_NR_thumb_semihosting) {
388 env->regs[0] = do_arm_semihosting (env);
389 } else if (n == 0 || n >= ARM_SYSCALL_BASE
390 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
392 if (env->thumb || n == 0) {
395 n -= ARM_SYSCALL_BASE;
398 env->regs[0] = do_syscall(env,
412 /* just indicate that signals should be handled asap */
414 case EXCP_PREFETCH_ABORT:
415 addr = env->cp15.c6_data;
417 case EXCP_DATA_ABORT:
418 addr = env->cp15.c6_insn;
422 info.si_signo = SIGSEGV;
424 /* XXX: check env->error_code */
425 info.si_code = TARGET_SEGV_MAPERR;
426 info._sifields._sigfault._addr = addr;
427 queue_signal(info.si_signo, &info);
434 sig = gdb_handlesig (env, TARGET_SIGTRAP);
439 info.si_code = TARGET_TRAP_BRKPT;
440 queue_signal(info.si_signo, &info);
446 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
448 cpu_dump_state(env, stderr, fprintf, 0);
451 process_pending_signals(env);
461 /* WARNING: dealing with register windows _is_ complicated. More info
462 can be found at http://www.sics.se/~psm/sparcstack.html */
463 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
465 index = (index + cwp * 16) & (16 * NWINDOWS - 1);
466 /* wrap handling : if cwp is on the last window, then we use the
467 registers 'after' the end */
468 if (index < 8 && env->cwp == (NWINDOWS - 1))
469 index += (16 * NWINDOWS);
473 /* save the register window 'cwp1' */
474 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
479 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
480 #if defined(DEBUG_WIN)
481 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
484 for(i = 0; i < 16; i++) {
485 tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
486 sp_ptr += sizeof(abi_ulong);
490 static void save_window(CPUSPARCState *env)
492 #ifndef TARGET_SPARC64
493 unsigned int new_wim;
494 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
495 ((1LL << NWINDOWS) - 1);
496 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
499 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
505 static void restore_window(CPUSPARCState *env)
507 unsigned int new_wim, i, cwp1;
510 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
511 ((1LL << NWINDOWS) - 1);
513 /* restore the invalid window */
514 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
515 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
516 #if defined(DEBUG_WIN)
517 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
520 for(i = 0; i < 16; i++) {
521 env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
522 sp_ptr += sizeof(abi_ulong);
525 #ifdef TARGET_SPARC64
527 if (env->cleanwin < NWINDOWS - 1)
533 static void flush_windows(CPUSPARCState *env)
539 /* if restore would invoke restore_window(), then we can stop */
540 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
541 if (env->wim & (1 << cwp1))
543 save_window_offset(env, cwp1);
546 /* set wim so that restore will reload the registers */
547 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
548 env->wim = 1 << cwp1;
549 #if defined(DEBUG_WIN)
550 printf("flush_windows: nb=%d\n", offset - 1);
554 void cpu_loop (CPUSPARCState *env)
557 target_siginfo_t info;
560 trapnr = cpu_sparc_exec (env);
563 #ifndef TARGET_SPARC64
570 ret = do_syscall (env, env->gregs[1],
571 env->regwptr[0], env->regwptr[1],
572 env->regwptr[2], env->regwptr[3],
573 env->regwptr[4], env->regwptr[5]);
574 if ((unsigned int)ret >= (unsigned int)(-515)) {
575 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
576 env->xcc |= PSR_CARRY;
578 env->psr |= PSR_CARRY;
582 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
583 env->xcc &= ~PSR_CARRY;
585 env->psr &= ~PSR_CARRY;
588 env->regwptr[0] = ret;
589 /* next instruction */
591 env->npc = env->npc + 4;
593 case 0x83: /* flush windows */
598 /* next instruction */
600 env->npc = env->npc + 4;
602 #ifndef TARGET_SPARC64
603 case TT_WIN_OVF: /* window overflow */
606 case TT_WIN_UNF: /* window underflow */
612 info.si_signo = SIGSEGV;
614 /* XXX: check env->error_code */
615 info.si_code = TARGET_SEGV_MAPERR;
616 info._sifields._sigfault._addr = env->mmuregs[4];
617 queue_signal(info.si_signo, &info);
621 case TT_SPILL: /* window overflow */
624 case TT_FILL: /* window underflow */
630 info.si_signo = SIGSEGV;
632 /* XXX: check env->error_code */
633 info.si_code = TARGET_SEGV_MAPERR;
634 if (trapnr == TT_DFAULT)
635 info._sifields._sigfault._addr = env->dmmuregs[4];
637 info._sifields._sigfault._addr = env->tpc[env->tl];
638 queue_signal(info.si_signo, &info);
643 sparc64_get_context(env);
647 sparc64_set_context(env);
651 /* just indicate that signals should be handled asap */
657 sig = gdb_handlesig (env, TARGET_SIGTRAP);
662 info.si_code = TARGET_TRAP_BRKPT;
663 queue_signal(info.si_signo, &info);
668 printf ("Unhandled trap: 0x%x\n", trapnr);
669 cpu_dump_state(env, stderr, fprintf, 0);
672 process_pending_signals (env);
679 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
685 uint32_t cpu_ppc_load_tbl (CPUState *env)
687 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
690 uint32_t cpu_ppc_load_tbu (CPUState *env)
692 return cpu_ppc_get_tb(env) >> 32;
695 uint32_t cpu_ppc_load_atbl (CPUState *env)
697 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
700 uint32_t cpu_ppc_load_atbu (CPUState *env)
702 return cpu_ppc_get_tb(env) >> 32;
705 uint32_t cpu_ppc601_load_rtcu (CPUState *env)
706 __attribute__ (( alias ("cpu_ppc_load_tbu") ));
708 uint32_t cpu_ppc601_load_rtcl (CPUState *env)
710 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
713 /* XXX: to be fixed */
714 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
719 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
724 #define EXCP_DUMP(env, fmt, args...) \
726 fprintf(stderr, fmt , ##args); \
727 cpu_dump_state(env, stderr, fprintf, 0); \
728 if (loglevel != 0) { \
729 fprintf(logfile, fmt , ##args); \
730 cpu_dump_state(env, logfile, fprintf, 0); \
734 void cpu_loop(CPUPPCState *env)
736 target_siginfo_t info;
741 trapnr = cpu_ppc_exec(env);
743 case POWERPC_EXCP_NONE:
746 case POWERPC_EXCP_CRITICAL: /* Critical input */
747 cpu_abort(env, "Critical interrupt while in user mode. "
750 case POWERPC_EXCP_MCHECK: /* Machine check exception */
751 cpu_abort(env, "Machine check exception while in user mode. "
754 case POWERPC_EXCP_DSI: /* Data storage exception */
755 EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
757 /* XXX: check this. Seems bugged */
758 switch (env->error_code & 0xFF000000) {
760 info.si_signo = TARGET_SIGSEGV;
762 info.si_code = TARGET_SEGV_MAPERR;
765 info.si_signo = TARGET_SIGILL;
767 info.si_code = TARGET_ILL_ILLADR;
770 info.si_signo = TARGET_SIGSEGV;
772 info.si_code = TARGET_SEGV_ACCERR;
775 /* Let's send a regular segfault... */
776 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
778 info.si_signo = TARGET_SIGSEGV;
780 info.si_code = TARGET_SEGV_MAPERR;
783 info._sifields._sigfault._addr = env->nip;
784 queue_signal(info.si_signo, &info);
786 case POWERPC_EXCP_ISI: /* Instruction storage exception */
787 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
789 /* XXX: check this */
790 switch (env->error_code & 0xFF000000) {
792 info.si_signo = TARGET_SIGSEGV;
794 info.si_code = TARGET_SEGV_MAPERR;
798 info.si_signo = TARGET_SIGSEGV;
800 info.si_code = TARGET_SEGV_ACCERR;
803 /* Let's send a regular segfault... */
804 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
806 info.si_signo = TARGET_SIGSEGV;
808 info.si_code = TARGET_SEGV_MAPERR;
811 info._sifields._sigfault._addr = env->nip - 4;
812 queue_signal(info.si_signo, &info);
814 case POWERPC_EXCP_EXTERNAL: /* External input */
815 cpu_abort(env, "External interrupt while in user mode. "
818 case POWERPC_EXCP_ALIGN: /* Alignment exception */
819 EXCP_DUMP(env, "Unaligned memory access\n");
820 /* XXX: check this */
821 info.si_signo = TARGET_SIGBUS;
823 info.si_code = TARGET_BUS_ADRALN;
824 info._sifields._sigfault._addr = env->nip - 4;
825 queue_signal(info.si_signo, &info);
827 case POWERPC_EXCP_PROGRAM: /* Program exception */
828 /* XXX: check this */
829 switch (env->error_code & ~0xF) {
830 case POWERPC_EXCP_FP:
831 EXCP_DUMP(env, "Floating point program exception\n");
833 env->fpscr[7] |= 0x8;
834 /* Finally, update FEX */
835 if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
836 ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
837 env->fpscr[7] |= 0x4;
838 info.si_signo = TARGET_SIGFPE;
840 switch (env->error_code & 0xF) {
841 case POWERPC_EXCP_FP_OX:
842 info.si_code = TARGET_FPE_FLTOVF;
844 case POWERPC_EXCP_FP_UX:
845 info.si_code = TARGET_FPE_FLTUND;
847 case POWERPC_EXCP_FP_ZX:
848 case POWERPC_EXCP_FP_VXZDZ:
849 info.si_code = TARGET_FPE_FLTDIV;
851 case POWERPC_EXCP_FP_XX:
852 info.si_code = TARGET_FPE_FLTRES;
854 case POWERPC_EXCP_FP_VXSOFT:
855 info.si_code = TARGET_FPE_FLTINV;
857 case POWERPC_EXCP_FP_VXNAN:
858 case POWERPC_EXCP_FP_VXISI:
859 case POWERPC_EXCP_FP_VXIDI:
860 case POWERPC_EXCP_FP_VXIMZ:
861 case POWERPC_EXCP_FP_VXVC:
862 case POWERPC_EXCP_FP_VXSQRT:
863 case POWERPC_EXCP_FP_VXCVI:
864 info.si_code = TARGET_FPE_FLTSUB;
867 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
872 case POWERPC_EXCP_INVAL:
873 EXCP_DUMP(env, "Invalid instruction\n");
874 info.si_signo = TARGET_SIGILL;
876 switch (env->error_code & 0xF) {
877 case POWERPC_EXCP_INVAL_INVAL:
878 info.si_code = TARGET_ILL_ILLOPC;
880 case POWERPC_EXCP_INVAL_LSWX:
881 info.si_code = TARGET_ILL_ILLOPN;
883 case POWERPC_EXCP_INVAL_SPR:
884 info.si_code = TARGET_ILL_PRVREG;
886 case POWERPC_EXCP_INVAL_FP:
887 info.si_code = TARGET_ILL_COPROC;
890 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
891 env->error_code & 0xF);
892 info.si_code = TARGET_ILL_ILLADR;
896 case POWERPC_EXCP_PRIV:
897 EXCP_DUMP(env, "Privilege violation\n");
898 info.si_signo = TARGET_SIGILL;
900 switch (env->error_code & 0xF) {
901 case POWERPC_EXCP_PRIV_OPC:
902 info.si_code = TARGET_ILL_PRVOPC;
904 case POWERPC_EXCP_PRIV_REG:
905 info.si_code = TARGET_ILL_PRVREG;
908 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
909 env->error_code & 0xF);
910 info.si_code = TARGET_ILL_PRVOPC;
914 case POWERPC_EXCP_TRAP:
915 cpu_abort(env, "Tried to call a TRAP\n");
918 /* Should not happen ! */
919 cpu_abort(env, "Unknown program exception (%02x)\n",
923 info._sifields._sigfault._addr = env->nip - 4;
924 queue_signal(info.si_signo, &info);
926 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
927 EXCP_DUMP(env, "No floating point allowed\n");
928 info.si_signo = TARGET_SIGILL;
930 info.si_code = TARGET_ILL_COPROC;
931 info._sifields._sigfault._addr = env->nip - 4;
932 queue_signal(info.si_signo, &info);
934 case POWERPC_EXCP_SYSCALL: /* System call exception */
935 cpu_abort(env, "Syscall exception while in user mode. "
938 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
939 EXCP_DUMP(env, "No APU instruction allowed\n");
940 info.si_signo = TARGET_SIGILL;
942 info.si_code = TARGET_ILL_COPROC;
943 info._sifields._sigfault._addr = env->nip - 4;
944 queue_signal(info.si_signo, &info);
946 case POWERPC_EXCP_DECR: /* Decrementer exception */
947 cpu_abort(env, "Decrementer interrupt while in user mode. "
950 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
951 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
954 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
955 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
958 case POWERPC_EXCP_DTLB: /* Data TLB error */
959 cpu_abort(env, "Data TLB exception while in user mode. "
962 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
963 cpu_abort(env, "Instruction TLB exception while in user mode. "
966 case POWERPC_EXCP_DEBUG: /* Debug interrupt */
967 /* XXX: check this */
971 sig = gdb_handlesig(env, TARGET_SIGTRAP);
975 info.si_code = TARGET_TRAP_BRKPT;
976 queue_signal(info.si_signo, &info);
980 #if defined(TARGET_PPCEMB)
981 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
982 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
983 info.si_signo = TARGET_SIGILL;
985 info.si_code = TARGET_ILL_COPROC;
986 info._sifields._sigfault._addr = env->nip - 4;
987 queue_signal(info.si_signo, &info);
989 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
990 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
992 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
993 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
995 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
996 cpu_abort(env, "Performance monitor exception not handled\n");
998 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
999 cpu_abort(env, "Doorbell interrupt while in user mode. "
1002 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1003 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1006 case POWERPC_EXCP_RESET: /* System reset exception */
1007 cpu_abort(env, "Reset interrupt while in user mode. "
1010 #endif /* defined(TARGET_PPCEMB) */
1011 #if defined(TARGET_PPC64) /* PowerPC 64 */
1012 case POWERPC_EXCP_DSEG: /* Data segment exception */
1013 cpu_abort(env, "Data segment exception while in user mode. "
1016 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1017 cpu_abort(env, "Instruction segment exception "
1018 "while in user mode. Aborting\n");
1020 #endif /* defined(TARGET_PPC64) */
1021 #if defined(TARGET_PPC64H) /* 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) */
1027 case POWERPC_EXCP_TRACE: /* Trace exception */
1029 * we use this exception to emulate step-by-step execution mode.
1032 #if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */
1033 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1034 cpu_abort(env, "Hypervisor data storage exception "
1035 "while in user mode. Aborting\n");
1037 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1038 cpu_abort(env, "Hypervisor instruction storage exception "
1039 "while in user mode. Aborting\n");
1041 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1042 cpu_abort(env, "Hypervisor data segment exception "
1043 "while in user mode. Aborting\n");
1045 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1046 cpu_abort(env, "Hypervisor instruction segment exception "
1047 "while in user mode. Aborting\n");
1049 #endif /* defined(TARGET_PPC64H) */
1050 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1051 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1052 info.si_signo = TARGET_SIGILL;
1054 info.si_code = TARGET_ILL_COPROC;
1055 info._sifields._sigfault._addr = env->nip - 4;
1056 queue_signal(info.si_signo, &info);
1058 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1059 cpu_abort(env, "Programable interval timer interrupt "
1060 "while in user mode. Aborting\n");
1062 case POWERPC_EXCP_IO: /* IO error exception */
1063 cpu_abort(env, "IO error exception while in user mode. "
1066 case POWERPC_EXCP_RUNM: /* Run mode exception */
1067 cpu_abort(env, "Run mode exception while in user mode. "
1070 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1071 cpu_abort(env, "Emulation trap exception not handled\n");
1073 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1074 cpu_abort(env, "Instruction fetch TLB exception "
1075 "while in user-mode. Aborting");
1077 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1078 cpu_abort(env, "Data load TLB exception while in user-mode. "
1081 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1082 cpu_abort(env, "Data store TLB exception while in user-mode. "
1085 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1086 cpu_abort(env, "Floating-point assist exception not handled\n");
1088 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1089 cpu_abort(env, "Instruction address breakpoint exception "
1092 case POWERPC_EXCP_SMI: /* System management interrupt */
1093 cpu_abort(env, "System management interrupt while in user mode. "
1096 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1097 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1100 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1101 cpu_abort(env, "Performance monitor exception not handled\n");
1103 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1104 cpu_abort(env, "Vector assist exception not handled\n");
1106 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1107 cpu_abort(env, "Soft patch exception not handled\n");
1109 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1110 cpu_abort(env, "Maintenance exception while in user mode. "
1113 case POWERPC_EXCP_STOP: /* stop translation */
1114 /* We did invalidate the instruction cache. Go on */
1116 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1117 /* We just stopped because of a branch. Go on */
1119 case POWERPC_EXCP_SYSCALL_USER:
1120 /* system call in user-mode emulation */
1122 * PPC ABI uses overflow flag in cr0 to signal an error
1126 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1127 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1129 env->crf[0] &= ~0x1;
1130 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1131 env->gpr[5], env->gpr[6], env->gpr[7],
1133 if (ret > (uint32_t)(-515)) {
1139 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1142 case EXCP_INTERRUPT:
1143 /* just indicate that signals should be handled asap */
1146 cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1149 process_pending_signals(env);
1156 #define MIPS_SYS(name, args) args,
1158 static const uint8_t mips_syscall_args[] = {
1159 MIPS_SYS(sys_syscall , 0) /* 4000 */
1160 MIPS_SYS(sys_exit , 1)
1161 MIPS_SYS(sys_fork , 0)
1162 MIPS_SYS(sys_read , 3)
1163 MIPS_SYS(sys_write , 3)
1164 MIPS_SYS(sys_open , 3) /* 4005 */
1165 MIPS_SYS(sys_close , 1)
1166 MIPS_SYS(sys_waitpid , 3)
1167 MIPS_SYS(sys_creat , 2)
1168 MIPS_SYS(sys_link , 2)
1169 MIPS_SYS(sys_unlink , 1) /* 4010 */
1170 MIPS_SYS(sys_execve , 0)
1171 MIPS_SYS(sys_chdir , 1)
1172 MIPS_SYS(sys_time , 1)
1173 MIPS_SYS(sys_mknod , 3)
1174 MIPS_SYS(sys_chmod , 2) /* 4015 */
1175 MIPS_SYS(sys_lchown , 3)
1176 MIPS_SYS(sys_ni_syscall , 0)
1177 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1178 MIPS_SYS(sys_lseek , 3)
1179 MIPS_SYS(sys_getpid , 0) /* 4020 */
1180 MIPS_SYS(sys_mount , 5)
1181 MIPS_SYS(sys_oldumount , 1)
1182 MIPS_SYS(sys_setuid , 1)
1183 MIPS_SYS(sys_getuid , 0)
1184 MIPS_SYS(sys_stime , 1) /* 4025 */
1185 MIPS_SYS(sys_ptrace , 4)
1186 MIPS_SYS(sys_alarm , 1)
1187 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1188 MIPS_SYS(sys_pause , 0)
1189 MIPS_SYS(sys_utime , 2) /* 4030 */
1190 MIPS_SYS(sys_ni_syscall , 0)
1191 MIPS_SYS(sys_ni_syscall , 0)
1192 MIPS_SYS(sys_access , 2)
1193 MIPS_SYS(sys_nice , 1)
1194 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1195 MIPS_SYS(sys_sync , 0)
1196 MIPS_SYS(sys_kill , 2)
1197 MIPS_SYS(sys_rename , 2)
1198 MIPS_SYS(sys_mkdir , 2)
1199 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1200 MIPS_SYS(sys_dup , 1)
1201 MIPS_SYS(sys_pipe , 0)
1202 MIPS_SYS(sys_times , 1)
1203 MIPS_SYS(sys_ni_syscall , 0)
1204 MIPS_SYS(sys_brk , 1) /* 4045 */
1205 MIPS_SYS(sys_setgid , 1)
1206 MIPS_SYS(sys_getgid , 0)
1207 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1208 MIPS_SYS(sys_geteuid , 0)
1209 MIPS_SYS(sys_getegid , 0) /* 4050 */
1210 MIPS_SYS(sys_acct , 0)
1211 MIPS_SYS(sys_umount , 2)
1212 MIPS_SYS(sys_ni_syscall , 0)
1213 MIPS_SYS(sys_ioctl , 3)
1214 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1215 MIPS_SYS(sys_ni_syscall , 2)
1216 MIPS_SYS(sys_setpgid , 2)
1217 MIPS_SYS(sys_ni_syscall , 0)
1218 MIPS_SYS(sys_olduname , 1)
1219 MIPS_SYS(sys_umask , 1) /* 4060 */
1220 MIPS_SYS(sys_chroot , 1)
1221 MIPS_SYS(sys_ustat , 2)
1222 MIPS_SYS(sys_dup2 , 2)
1223 MIPS_SYS(sys_getppid , 0)
1224 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1225 MIPS_SYS(sys_setsid , 0)
1226 MIPS_SYS(sys_sigaction , 3)
1227 MIPS_SYS(sys_sgetmask , 0)
1228 MIPS_SYS(sys_ssetmask , 1)
1229 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1230 MIPS_SYS(sys_setregid , 2)
1231 MIPS_SYS(sys_sigsuspend , 0)
1232 MIPS_SYS(sys_sigpending , 1)
1233 MIPS_SYS(sys_sethostname , 2)
1234 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1235 MIPS_SYS(sys_getrlimit , 2)
1236 MIPS_SYS(sys_getrusage , 2)
1237 MIPS_SYS(sys_gettimeofday, 2)
1238 MIPS_SYS(sys_settimeofday, 2)
1239 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1240 MIPS_SYS(sys_setgroups , 2)
1241 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1242 MIPS_SYS(sys_symlink , 2)
1243 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1244 MIPS_SYS(sys_readlink , 3) /* 4085 */
1245 MIPS_SYS(sys_uselib , 1)
1246 MIPS_SYS(sys_swapon , 2)
1247 MIPS_SYS(sys_reboot , 3)
1248 MIPS_SYS(old_readdir , 3)
1249 MIPS_SYS(old_mmap , 6) /* 4090 */
1250 MIPS_SYS(sys_munmap , 2)
1251 MIPS_SYS(sys_truncate , 2)
1252 MIPS_SYS(sys_ftruncate , 2)
1253 MIPS_SYS(sys_fchmod , 2)
1254 MIPS_SYS(sys_fchown , 3) /* 4095 */
1255 MIPS_SYS(sys_getpriority , 2)
1256 MIPS_SYS(sys_setpriority , 3)
1257 MIPS_SYS(sys_ni_syscall , 0)
1258 MIPS_SYS(sys_statfs , 2)
1259 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1260 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1261 MIPS_SYS(sys_socketcall , 2)
1262 MIPS_SYS(sys_syslog , 3)
1263 MIPS_SYS(sys_setitimer , 3)
1264 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1265 MIPS_SYS(sys_newstat , 2)
1266 MIPS_SYS(sys_newlstat , 2)
1267 MIPS_SYS(sys_newfstat , 2)
1268 MIPS_SYS(sys_uname , 1)
1269 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1270 MIPS_SYS(sys_vhangup , 0)
1271 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1272 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1273 MIPS_SYS(sys_wait4 , 4)
1274 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1275 MIPS_SYS(sys_sysinfo , 1)
1276 MIPS_SYS(sys_ipc , 6)
1277 MIPS_SYS(sys_fsync , 1)
1278 MIPS_SYS(sys_sigreturn , 0)
1279 MIPS_SYS(sys_clone , 0) /* 4120 */
1280 MIPS_SYS(sys_setdomainname, 2)
1281 MIPS_SYS(sys_newuname , 1)
1282 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1283 MIPS_SYS(sys_adjtimex , 1)
1284 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1285 MIPS_SYS(sys_sigprocmask , 3)
1286 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1287 MIPS_SYS(sys_init_module , 5)
1288 MIPS_SYS(sys_delete_module, 1)
1289 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1290 MIPS_SYS(sys_quotactl , 0)
1291 MIPS_SYS(sys_getpgid , 1)
1292 MIPS_SYS(sys_fchdir , 1)
1293 MIPS_SYS(sys_bdflush , 2)
1294 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1295 MIPS_SYS(sys_personality , 1)
1296 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1297 MIPS_SYS(sys_setfsuid , 1)
1298 MIPS_SYS(sys_setfsgid , 1)
1299 MIPS_SYS(sys_llseek , 5) /* 4140 */
1300 MIPS_SYS(sys_getdents , 3)
1301 MIPS_SYS(sys_select , 5)
1302 MIPS_SYS(sys_flock , 2)
1303 MIPS_SYS(sys_msync , 3)
1304 MIPS_SYS(sys_readv , 3) /* 4145 */
1305 MIPS_SYS(sys_writev , 3)
1306 MIPS_SYS(sys_cacheflush , 3)
1307 MIPS_SYS(sys_cachectl , 3)
1308 MIPS_SYS(sys_sysmips , 4)
1309 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1310 MIPS_SYS(sys_getsid , 1)
1311 MIPS_SYS(sys_fdatasync , 0)
1312 MIPS_SYS(sys_sysctl , 1)
1313 MIPS_SYS(sys_mlock , 2)
1314 MIPS_SYS(sys_munlock , 2) /* 4155 */
1315 MIPS_SYS(sys_mlockall , 1)
1316 MIPS_SYS(sys_munlockall , 0)
1317 MIPS_SYS(sys_sched_setparam, 2)
1318 MIPS_SYS(sys_sched_getparam, 2)
1319 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1320 MIPS_SYS(sys_sched_getscheduler, 1)
1321 MIPS_SYS(sys_sched_yield , 0)
1322 MIPS_SYS(sys_sched_get_priority_max, 1)
1323 MIPS_SYS(sys_sched_get_priority_min, 1)
1324 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1325 MIPS_SYS(sys_nanosleep, 2)
1326 MIPS_SYS(sys_mremap , 4)
1327 MIPS_SYS(sys_accept , 3)
1328 MIPS_SYS(sys_bind , 3)
1329 MIPS_SYS(sys_connect , 3) /* 4170 */
1330 MIPS_SYS(sys_getpeername , 3)
1331 MIPS_SYS(sys_getsockname , 3)
1332 MIPS_SYS(sys_getsockopt , 5)
1333 MIPS_SYS(sys_listen , 2)
1334 MIPS_SYS(sys_recv , 4) /* 4175 */
1335 MIPS_SYS(sys_recvfrom , 6)
1336 MIPS_SYS(sys_recvmsg , 3)
1337 MIPS_SYS(sys_send , 4)
1338 MIPS_SYS(sys_sendmsg , 3)
1339 MIPS_SYS(sys_sendto , 6) /* 4180 */
1340 MIPS_SYS(sys_setsockopt , 5)
1341 MIPS_SYS(sys_shutdown , 2)
1342 MIPS_SYS(sys_socket , 3)
1343 MIPS_SYS(sys_socketpair , 4)
1344 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1345 MIPS_SYS(sys_getresuid , 3)
1346 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1347 MIPS_SYS(sys_poll , 3)
1348 MIPS_SYS(sys_nfsservctl , 3)
1349 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1350 MIPS_SYS(sys_getresgid , 3)
1351 MIPS_SYS(sys_prctl , 5)
1352 MIPS_SYS(sys_rt_sigreturn, 0)
1353 MIPS_SYS(sys_rt_sigaction, 4)
1354 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1355 MIPS_SYS(sys_rt_sigpending, 2)
1356 MIPS_SYS(sys_rt_sigtimedwait, 4)
1357 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1358 MIPS_SYS(sys_rt_sigsuspend, 0)
1359 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1360 MIPS_SYS(sys_pwrite64 , 6)
1361 MIPS_SYS(sys_chown , 3)
1362 MIPS_SYS(sys_getcwd , 2)
1363 MIPS_SYS(sys_capget , 2)
1364 MIPS_SYS(sys_capset , 2) /* 4205 */
1365 MIPS_SYS(sys_sigaltstack , 0)
1366 MIPS_SYS(sys_sendfile , 4)
1367 MIPS_SYS(sys_ni_syscall , 0)
1368 MIPS_SYS(sys_ni_syscall , 0)
1369 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1370 MIPS_SYS(sys_truncate64 , 4)
1371 MIPS_SYS(sys_ftruncate64 , 4)
1372 MIPS_SYS(sys_stat64 , 2)
1373 MIPS_SYS(sys_lstat64 , 2)
1374 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1375 MIPS_SYS(sys_pivot_root , 2)
1376 MIPS_SYS(sys_mincore , 3)
1377 MIPS_SYS(sys_madvise , 3)
1378 MIPS_SYS(sys_getdents64 , 3)
1379 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1380 MIPS_SYS(sys_ni_syscall , 0)
1381 MIPS_SYS(sys_gettid , 0)
1382 MIPS_SYS(sys_readahead , 5)
1383 MIPS_SYS(sys_setxattr , 5)
1384 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1385 MIPS_SYS(sys_fsetxattr , 5)
1386 MIPS_SYS(sys_getxattr , 4)
1387 MIPS_SYS(sys_lgetxattr , 4)
1388 MIPS_SYS(sys_fgetxattr , 4)
1389 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1390 MIPS_SYS(sys_llistxattr , 3)
1391 MIPS_SYS(sys_flistxattr , 3)
1392 MIPS_SYS(sys_removexattr , 2)
1393 MIPS_SYS(sys_lremovexattr, 2)
1394 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1395 MIPS_SYS(sys_tkill , 2)
1396 MIPS_SYS(sys_sendfile64 , 5)
1397 MIPS_SYS(sys_futex , 2)
1398 MIPS_SYS(sys_sched_setaffinity, 3)
1399 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1400 MIPS_SYS(sys_io_setup , 2)
1401 MIPS_SYS(sys_io_destroy , 1)
1402 MIPS_SYS(sys_io_getevents, 5)
1403 MIPS_SYS(sys_io_submit , 3)
1404 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1405 MIPS_SYS(sys_exit_group , 1)
1406 MIPS_SYS(sys_lookup_dcookie, 3)
1407 MIPS_SYS(sys_epoll_create, 1)
1408 MIPS_SYS(sys_epoll_ctl , 4)
1409 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1410 MIPS_SYS(sys_remap_file_pages, 5)
1411 MIPS_SYS(sys_set_tid_address, 1)
1412 MIPS_SYS(sys_restart_syscall, 0)
1413 MIPS_SYS(sys_fadvise64_64, 7)
1414 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1415 MIPS_SYS(sys_fstatfs64 , 2)
1416 MIPS_SYS(sys_timer_create, 3)
1417 MIPS_SYS(sys_timer_settime, 4)
1418 MIPS_SYS(sys_timer_gettime, 2)
1419 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1420 MIPS_SYS(sys_timer_delete, 1)
1421 MIPS_SYS(sys_clock_settime, 2)
1422 MIPS_SYS(sys_clock_gettime, 2)
1423 MIPS_SYS(sys_clock_getres, 2)
1424 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1425 MIPS_SYS(sys_tgkill , 3)
1426 MIPS_SYS(sys_utimes , 2)
1427 MIPS_SYS(sys_mbind , 4)
1428 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1429 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1430 MIPS_SYS(sys_mq_open , 4)
1431 MIPS_SYS(sys_mq_unlink , 1)
1432 MIPS_SYS(sys_mq_timedsend, 5)
1433 MIPS_SYS(sys_mq_timedreceive, 5)
1434 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1435 MIPS_SYS(sys_mq_getsetattr, 3)
1436 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1437 MIPS_SYS(sys_waitid , 4)
1438 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1439 MIPS_SYS(sys_add_key , 5)
1440 MIPS_SYS(sys_request_key, 4)
1441 MIPS_SYS(sys_keyctl , 5)
1442 MIPS_SYS(sys_set_thread_area, 1)
1443 MIPS_SYS(sys_inotify_init, 0)
1444 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1445 MIPS_SYS(sys_inotify_rm_watch, 2)
1446 MIPS_SYS(sys_migrate_pages, 4)
1447 MIPS_SYS(sys_openat, 4)
1448 MIPS_SYS(sys_mkdirat, 3)
1449 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1450 MIPS_SYS(sys_fchownat, 5)
1451 MIPS_SYS(sys_futimesat, 3)
1452 MIPS_SYS(sys_fstatat64, 4)
1453 MIPS_SYS(sys_unlinkat, 3)
1454 MIPS_SYS(sys_renameat, 4) /* 4295 */
1455 MIPS_SYS(sys_linkat, 5)
1456 MIPS_SYS(sys_symlinkat, 3)
1457 MIPS_SYS(sys_readlinkat, 4)
1458 MIPS_SYS(sys_fchmodat, 3)
1459 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1460 MIPS_SYS(sys_pselect6, 6)
1461 MIPS_SYS(sys_ppoll, 5)
1462 MIPS_SYS(sys_unshare, 1)
1463 MIPS_SYS(sys_splice, 4)
1464 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1465 MIPS_SYS(sys_tee, 4)
1466 MIPS_SYS(sys_vmsplice, 4)
1467 MIPS_SYS(sys_move_pages, 6)
1468 MIPS_SYS(sys_set_robust_list, 2)
1469 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1470 MIPS_SYS(sys_kexec_load, 4)
1471 MIPS_SYS(sys_getcpu, 3)
1472 MIPS_SYS(sys_epoll_pwait, 6)
1473 MIPS_SYS(sys_ioprio_set, 3)
1474 MIPS_SYS(sys_ioprio_get, 2)
1479 void cpu_loop(CPUMIPSState *env)
1481 target_siginfo_t info;
1483 unsigned int syscall_num;
1486 trapnr = cpu_mips_exec(env);
1489 syscall_num = env->gpr[2][env->current_tc] - 4000;
1490 env->PC[env->current_tc] += 4;
1491 if (syscall_num >= sizeof(mips_syscall_args)) {
1496 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1498 nb_args = mips_syscall_args[syscall_num];
1499 sp_reg = env->gpr[29][env->current_tc];
1501 /* these arguments are taken from the stack */
1502 case 8: arg8 = tgetl(sp_reg + 28);
1503 case 7: arg7 = tgetl(sp_reg + 24);
1504 case 6: arg6 = tgetl(sp_reg + 20);
1505 case 5: arg5 = tgetl(sp_reg + 16);
1509 ret = do_syscall(env, env->gpr[2][env->current_tc],
1510 env->gpr[4][env->current_tc],
1511 env->gpr[5][env->current_tc],
1512 env->gpr[6][env->current_tc],
1513 env->gpr[7][env->current_tc],
1514 arg5, arg6/*, arg7, arg8*/);
1516 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1517 env->gpr[7][env->current_tc] = 1; /* error flag */
1520 env->gpr[7][env->current_tc] = 0; /* error flag */
1522 env->gpr[2][env->current_tc] = ret;
1528 info.si_signo = TARGET_SIGILL;
1531 queue_signal(info.si_signo, &info);
1533 case EXCP_INTERRUPT:
1534 /* just indicate that signals should be handled asap */
1540 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1543 info.si_signo = sig;
1545 info.si_code = TARGET_TRAP_BRKPT;
1546 queue_signal(info.si_signo, &info);
1552 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1554 cpu_dump_state(env, stderr, fprintf, 0);
1557 process_pending_signals(env);
1563 void cpu_loop (CPUState *env)
1566 target_siginfo_t info;
1569 trapnr = cpu_sh4_exec (env);
1573 ret = do_syscall(env,
1581 env->gregs[0] = ret;
1588 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1591 info.si_signo = sig;
1593 info.si_code = TARGET_TRAP_BRKPT;
1594 queue_signal(info.si_signo, &info);
1599 printf ("Unhandled trap: 0x%x\n", trapnr);
1600 cpu_dump_state(env, stderr, fprintf, 0);
1603 process_pending_signals (env);
1609 void cpu_loop (CPUState *env)
1612 target_siginfo_t info;
1615 trapnr = cpu_cris_exec (env);
1619 info.si_signo = SIGSEGV;
1621 /* XXX: check env->error_code */
1622 info.si_code = TARGET_SEGV_MAPERR;
1623 info._sifields._sigfault._addr = env->debug1;
1624 queue_signal(info.si_signo, &info);
1628 ret = do_syscall(env,
1636 env->regs[10] = ret;
1643 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1646 info.si_signo = sig;
1648 info.si_code = TARGET_TRAP_BRKPT;
1649 queue_signal(info.si_signo, &info);
1654 printf ("Unhandled trap: 0x%x\n", trapnr);
1655 cpu_dump_state(env, stderr, fprintf, 0);
1658 process_pending_signals (env);
1665 void cpu_loop(CPUM68KState *env)
1669 target_siginfo_t info;
1670 TaskState *ts = env->opaque;
1673 trapnr = cpu_m68k_exec(env);
1677 if (ts->sim_syscalls) {
1679 nr = lduw(env->pc + 2);
1681 do_m68k_simcall(env, nr);
1687 case EXCP_HALT_INSN:
1688 /* Semihosing syscall. */
1690 do_m68k_semihosting(env, env->dregs[0]);
1694 case EXCP_UNSUPPORTED:
1696 info.si_signo = SIGILL;
1698 info.si_code = TARGET_ILL_ILLOPN;
1699 info._sifields._sigfault._addr = env->pc;
1700 queue_signal(info.si_signo, &info);
1704 ts->sim_syscalls = 0;
1707 env->dregs[0] = do_syscall(env,
1717 case EXCP_INTERRUPT:
1718 /* just indicate that signals should be handled asap */
1722 info.si_signo = SIGSEGV;
1724 /* XXX: check env->error_code */
1725 info.si_code = TARGET_SEGV_MAPERR;
1726 info._sifields._sigfault._addr = env->mmu.ar;
1727 queue_signal(info.si_signo, &info);
1734 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1737 info.si_signo = sig;
1739 info.si_code = TARGET_TRAP_BRKPT;
1740 queue_signal(info.si_signo, &info);
1745 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1747 cpu_dump_state(env, stderr, fprintf, 0);
1750 process_pending_signals(env);
1753 #endif /* TARGET_M68K */
1756 void cpu_loop (CPUState *env)
1759 target_siginfo_t info;
1762 trapnr = cpu_alpha_exec (env);
1766 fprintf(stderr, "Reset requested. Exit\n");
1770 fprintf(stderr, "Machine check exception. Exit\n");
1774 fprintf(stderr, "Arithmetic trap.\n");
1777 case EXCP_HW_INTERRUPT:
1778 fprintf(stderr, "External interrupt. Exit\n");
1782 fprintf(stderr, "MMU data fault\n");
1785 case EXCP_DTB_MISS_PAL:
1786 fprintf(stderr, "MMU data TLB miss in PALcode\n");
1790 fprintf(stderr, "MMU instruction TLB miss\n");
1794 fprintf(stderr, "MMU instruction access violation\n");
1797 case EXCP_DTB_MISS_NATIVE:
1798 fprintf(stderr, "MMU data TLB miss\n");
1802 fprintf(stderr, "Unaligned access\n");
1806 fprintf(stderr, "Invalid instruction\n");
1810 fprintf(stderr, "Floating-point not allowed\n");
1813 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
1814 fprintf(stderr, "Call to PALcode\n");
1815 call_pal(env, (trapnr >> 6) | 0x80);
1817 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
1818 fprintf(stderr, "Privileged call to PALcode\n");
1825 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1828 info.si_signo = sig;
1830 info.si_code = TARGET_TRAP_BRKPT;
1831 queue_signal(info.si_signo, &info);
1836 printf ("Unhandled trap: 0x%x\n", trapnr);
1837 cpu_dump_state(env, stderr, fprintf, 0);
1840 process_pending_signals (env);
1843 #endif /* TARGET_ALPHA */
1847 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
1848 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n"
1849 "Linux CPU emulator (compiled for %s emulation)\n"
1851 "-h print this help\n"
1852 "-g port wait gdb connection to port\n"
1853 "-L path set the elf interpreter prefix (default=%s)\n"
1854 "-s size set the stack size in bytes (default=%ld)\n"
1855 "-cpu model select CPU (-cpu ? for list)\n"
1856 "-drop-ld-preload drop LD_PRELOAD for target process\n"
1859 #ifdef USE_CODE_COPY
1860 "-no-code-copy disable code copy acceleration\n"
1862 "-d options activate log (logfile=%s)\n"
1863 "-p pagesize set the host page size to 'pagesize'\n",
1871 /* XXX: currently only used for async signals (see signal.c) */
1872 CPUState *global_env;
1874 /* used to free thread contexts */
1875 TaskState *first_task_state;
1877 int main(int argc, char **argv)
1879 const char *filename;
1880 const char *cpu_model;
1881 struct target_pt_regs regs1, *regs = ®s1;
1882 struct image_info info1, *info = &info1;
1883 TaskState ts1, *ts = &ts1;
1887 int gdbstub_port = 0;
1888 int drop_ld_preload = 0, environ_count = 0;
1889 char **target_environ, **wrk, **dst;
1895 cpu_set_log_filename(DEBUG_LOGFILE);
1907 if (!strcmp(r, "-")) {
1909 } else if (!strcmp(r, "d")) {
1917 mask = cpu_str_to_log_mask(r);
1919 printf("Log items (comma separated):\n");
1920 for(item = cpu_log_items; item->mask != 0; item++) {
1921 printf("%-10s %s\n", item->name, item->help);
1926 } else if (!strcmp(r, "s")) {
1928 x86_stack_size = strtol(r, (char **)&r, 0);
1929 if (x86_stack_size <= 0)
1932 x86_stack_size *= 1024 * 1024;
1933 else if (*r == 'k' || *r == 'K')
1934 x86_stack_size *= 1024;
1935 } else if (!strcmp(r, "L")) {
1936 interp_prefix = argv[optind++];
1937 } else if (!strcmp(r, "p")) {
1938 qemu_host_page_size = atoi(argv[optind++]);
1939 if (qemu_host_page_size == 0 ||
1940 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
1941 fprintf(stderr, "page size must be a power of two\n");
1944 } else if (!strcmp(r, "g")) {
1945 gdbstub_port = atoi(argv[optind++]);
1946 } else if (!strcmp(r, "r")) {
1947 qemu_uname_release = argv[optind++];
1948 } else if (!strcmp(r, "cpu")) {
1949 cpu_model = argv[optind++];
1950 if (strcmp(cpu_model, "?") == 0) {
1951 /* XXX: implement xxx_cpu_list for targets that still miss it */
1952 #if defined(cpu_list)
1953 cpu_list(stdout, &fprintf);
1957 } else if (!strcmp(r, "drop-ld-preload")) {
1958 drop_ld_preload = 1;
1960 #ifdef USE_CODE_COPY
1961 if (!strcmp(r, "no-code-copy")) {
1962 code_copy_enabled = 0;
1971 filename = argv[optind];
1974 memset(regs, 0, sizeof(struct target_pt_regs));
1976 /* Zero out image_info */
1977 memset(info, 0, sizeof(struct image_info));
1979 /* Scan interp_prefix dir for replacement files. */
1980 init_paths(interp_prefix);
1982 /* NOTE: we need to init the CPU at this stage to get
1983 qemu_host_page_size */
1991 target_environ = malloc((environ_count + 1) * sizeof(char *));
1992 if (!target_environ)
1994 for (wrk = environ, dst = target_environ; *wrk; wrk++) {
1995 if (drop_ld_preload && !strncmp(*wrk, "LD_PRELOAD=", 11))
1997 *(dst++) = strdup(*wrk);
1999 *dst = NULL; /* NULL terminate target_environ */
2001 if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) {
2002 printf("Error loading %s\n", filename);
2006 for (wrk = target_environ; *wrk; wrk++) {
2010 free(target_environ);
2015 fprintf(logfile, "start_brk 0x" TARGET_FMT_lx "\n", info->start_brk);
2016 fprintf(logfile, "end_code 0x" TARGET_FMT_lx "\n", info->end_code);
2017 fprintf(logfile, "start_code 0x" TARGET_FMT_lx "\n",
2019 fprintf(logfile, "start_data 0x" TARGET_FMT_lx "\n",
2021 fprintf(logfile, "end_data 0x" TARGET_FMT_lx "\n", info->end_data);
2022 fprintf(logfile, "start_stack 0x" TARGET_FMT_lx "\n",
2024 fprintf(logfile, "brk 0x" TARGET_FMT_lx "\n", info->brk);
2025 fprintf(logfile, "entry 0x" TARGET_FMT_lx "\n", info->entry);
2028 target_set_brk(info->brk);
2032 /* build Task State */
2033 memset(ts, 0, sizeof(TaskState));
2037 env->user_mode_only = 1;
2039 #if defined(TARGET_I386)
2040 cpu_x86_set_cpl(env, 3);
2042 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
2043 env->hflags |= HF_PE_MASK;
2044 if (env->cpuid_features & CPUID_SSE) {
2045 env->cr[4] |= CR4_OSFXSR_MASK;
2046 env->hflags |= HF_OSFXSR_MASK;
2049 /* flags setup : we activate the IRQs by default as in user mode */
2050 env->eflags |= IF_MASK;
2052 /* linux register setup */
2053 #if defined(TARGET_X86_64)
2054 env->regs[R_EAX] = regs->rax;
2055 env->regs[R_EBX] = regs->rbx;
2056 env->regs[R_ECX] = regs->rcx;
2057 env->regs[R_EDX] = regs->rdx;
2058 env->regs[R_ESI] = regs->rsi;
2059 env->regs[R_EDI] = regs->rdi;
2060 env->regs[R_EBP] = regs->rbp;
2061 env->regs[R_ESP] = regs->rsp;
2062 env->eip = regs->rip;
2064 env->regs[R_EAX] = regs->eax;
2065 env->regs[R_EBX] = regs->ebx;
2066 env->regs[R_ECX] = regs->ecx;
2067 env->regs[R_EDX] = regs->edx;
2068 env->regs[R_ESI] = regs->esi;
2069 env->regs[R_EDI] = regs->edi;
2070 env->regs[R_EBP] = regs->ebp;
2071 env->regs[R_ESP] = regs->esp;
2072 env->eip = regs->eip;
2075 /* linux interrupt setup */
2076 env->idt.base = h2g(idt_table);
2077 env->idt.limit = sizeof(idt_table) - 1;
2100 /* linux segment setup */
2101 env->gdt.base = h2g(gdt_table);
2102 env->gdt.limit = sizeof(gdt_table) - 1;
2103 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
2104 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2105 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
2106 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
2107 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
2108 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
2109 cpu_x86_load_seg(env, R_CS, __USER_CS);
2110 cpu_x86_load_seg(env, R_DS, __USER_DS);
2111 cpu_x86_load_seg(env, R_ES, __USER_DS);
2112 cpu_x86_load_seg(env, R_SS, __USER_DS);
2113 cpu_x86_load_seg(env, R_FS, __USER_DS);
2114 cpu_x86_load_seg(env, R_GS, __USER_DS);
2116 /* This hack makes Wine work... */
2117 env->segs[R_FS].selector = 0;
2118 #elif defined(TARGET_ARM)
2121 if (cpu_model == NULL)
2122 cpu_model = "arm926";
2123 cpu_arm_set_model(env, cpu_model);
2124 cpsr_write(env, regs->uregs[16], 0xffffffff);
2125 for(i = 0; i < 16; i++) {
2126 env->regs[i] = regs->uregs[i];
2129 #elif defined(TARGET_SPARC)
2132 const sparc_def_t *def;
2133 #ifdef TARGET_SPARC64
2134 if (cpu_model == NULL)
2135 cpu_model = "TI UltraSparc II";
2137 if (cpu_model == NULL)
2138 cpu_model = "Fujitsu MB86904";
2140 sparc_find_by_name(cpu_model, &def);
2142 fprintf(stderr, "Unable to find Sparc CPU definition\n");
2145 cpu_sparc_register(env, def, 0);
2147 env->npc = regs->npc;
2149 for(i = 0; i < 8; i++)
2150 env->gregs[i] = regs->u_regs[i];
2151 for(i = 0; i < 8; i++)
2152 env->regwptr[i] = regs->u_regs[i + 8];
2154 #elif defined(TARGET_PPC)
2159 /* Choose and initialise CPU */
2160 if (cpu_model == NULL)
2162 ppc_find_by_name(cpu_model, &def);
2165 "Unable to find PowerPC CPU definition\n");
2167 cpu_ppc_register(env, def);
2169 for (i = 0; i < 32; i++) {
2170 if (i != 12 && i != 6 && i != 13)
2171 env->msr[i] = (regs->msr >> i) & 1;
2173 #if defined(TARGET_PPC64)
2176 env->nip = regs->nip;
2177 for(i = 0; i < 32; i++) {
2178 env->gpr[i] = regs->gpr[i];
2181 #elif defined(TARGET_M68K)
2183 if (cpu_model == NULL)
2185 if (cpu_m68k_set_model(env, cpu_model)) {
2186 cpu_abort(cpu_single_env,
2187 "Unable to find m68k CPU definition\n");
2190 env->dregs[0] = regs->d0;
2191 env->dregs[1] = regs->d1;
2192 env->dregs[2] = regs->d2;
2193 env->dregs[3] = regs->d3;
2194 env->dregs[4] = regs->d4;
2195 env->dregs[5] = regs->d5;
2196 env->dregs[6] = regs->d6;
2197 env->dregs[7] = regs->d7;
2198 env->aregs[0] = regs->a0;
2199 env->aregs[1] = regs->a1;
2200 env->aregs[2] = regs->a2;
2201 env->aregs[3] = regs->a3;
2202 env->aregs[4] = regs->a4;
2203 env->aregs[5] = regs->a5;
2204 env->aregs[6] = regs->a6;
2205 env->aregs[7] = regs->usp;
2207 ts->sim_syscalls = 1;
2209 #elif defined(TARGET_MIPS)
2214 /* Choose and initialise CPU */
2215 if (cpu_model == NULL)
2216 #if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
2221 mips_find_by_name(cpu_model, &def);
2223 cpu_abort(env, "Unable to find MIPS CPU definition\n");
2224 cpu_mips_register(env, def);
2226 for(i = 0; i < 32; i++) {
2227 env->gpr[i][env->current_tc] = regs->regs[i];
2229 env->PC[env->current_tc] = regs->cp0_epc;
2231 #elif defined(TARGET_SH4)
2235 for(i = 0; i < 16; i++) {
2236 env->gregs[i] = regs->regs[i];
2240 #elif defined(TARGET_ALPHA)
2244 for(i = 0; i < 28; i++) {
2245 env->ir[i] = ((abi_ulong *)regs)[i];
2247 env->ipr[IPR_USP] = regs->usp;
2248 env->ir[30] = regs->usp;
2250 env->unique = regs->unique;
2252 #elif defined(TARGET_CRIS)
2254 env->regs[0] = regs->r0;
2255 env->regs[1] = regs->r1;
2256 env->regs[2] = regs->r2;
2257 env->regs[3] = regs->r3;
2258 env->regs[4] = regs->r4;
2259 env->regs[5] = regs->r5;
2260 env->regs[6] = regs->r6;
2261 env->regs[7] = regs->r7;
2262 env->regs[8] = regs->r8;
2263 env->regs[9] = regs->r9;
2264 env->regs[10] = regs->r10;
2265 env->regs[11] = regs->r11;
2266 env->regs[12] = regs->r12;
2267 env->regs[13] = regs->r13;
2268 env->regs[14] = info->start_stack;
2269 env->regs[15] = regs->acr;
2270 env->pc = regs->erp;
2273 #error unsupported target CPU
2276 #if defined(TARGET_ARM) || defined(TARGET_M68K)
2277 ts->stack_base = info->start_stack;
2278 ts->heap_base = info->brk;
2279 /* This will be filled in on the first SYS_HEAPINFO call. */
2284 gdbserver_start (gdbstub_port);
2285 gdb_handlesig(env, 0);