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 */
110 #if defined(__i386__)
112 int64_t cpu_get_real_ticks(void)
115 asm volatile ("rdtsc" : "=A" (val));
119 #elif defined(__x86_64__)
121 int64_t cpu_get_real_ticks(void)
125 asm volatile("rdtsc" : "=a" (low), "=d" (high));
134 static uint64_t emu_time;
136 int64_t cpu_get_real_ticks(void)
144 /***********************************************************/
145 /* CPUX86 core interface */
147 uint64_t cpu_get_tsc(CPUX86State *env)
149 return cpu_get_real_ticks();
152 static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
157 e1 = (addr << 16) | (limit & 0xffff);
158 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
165 static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
166 unsigned long addr, unsigned int sel)
170 e1 = (addr & 0xffff) | (sel << 16);
171 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
177 uint64_t gdt_table[6];
178 uint64_t idt_table[256];
180 /* only dpl matters as we do only user space emulation */
181 static void set_idt(int n, unsigned int dpl)
183 set_gate(idt_table + n, 0, dpl, 0, 0);
186 void cpu_loop(CPUX86State *env)
190 target_siginfo_t info;
193 trapnr = cpu_x86_exec(env);
197 env->regs[R_EAX] = do_syscall(env,
208 info.si_signo = SIGBUS;
210 info.si_code = TARGET_SI_KERNEL;
211 info._sifields._sigfault._addr = 0;
212 queue_signal(info.si_signo, &info);
215 if (env->eflags & VM_MASK) {
216 handle_vm86_fault(env);
218 info.si_signo = SIGSEGV;
220 info.si_code = TARGET_SI_KERNEL;
221 info._sifields._sigfault._addr = 0;
222 queue_signal(info.si_signo, &info);
226 info.si_signo = SIGSEGV;
228 if (!(env->error_code & 1))
229 info.si_code = TARGET_SEGV_MAPERR;
231 info.si_code = TARGET_SEGV_ACCERR;
232 info._sifields._sigfault._addr = env->cr[2];
233 queue_signal(info.si_signo, &info);
236 if (env->eflags & VM_MASK) {
237 handle_vm86_trap(env, trapnr);
239 /* division by zero */
240 info.si_signo = SIGFPE;
242 info.si_code = TARGET_FPE_INTDIV;
243 info._sifields._sigfault._addr = env->eip;
244 queue_signal(info.si_signo, &info);
249 if (env->eflags & VM_MASK) {
250 handle_vm86_trap(env, trapnr);
252 info.si_signo = SIGTRAP;
254 if (trapnr == EXCP01_SSTP) {
255 info.si_code = TARGET_TRAP_BRKPT;
256 info._sifields._sigfault._addr = env->eip;
258 info.si_code = TARGET_SI_KERNEL;
259 info._sifields._sigfault._addr = 0;
261 queue_signal(info.si_signo, &info);
266 if (env->eflags & VM_MASK) {
267 handle_vm86_trap(env, trapnr);
269 info.si_signo = SIGSEGV;
271 info.si_code = TARGET_SI_KERNEL;
272 info._sifields._sigfault._addr = 0;
273 queue_signal(info.si_signo, &info);
277 info.si_signo = SIGILL;
279 info.si_code = TARGET_ILL_ILLOPN;
280 info._sifields._sigfault._addr = env->eip;
281 queue_signal(info.si_signo, &info);
284 /* just indicate that signals should be handled asap */
290 sig = gdb_handlesig (env, TARGET_SIGTRAP);
295 info.si_code = TARGET_TRAP_BRKPT;
296 queue_signal(info.si_signo, &info);
301 pc = env->segs[R_CS].base + env->eip;
302 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
306 process_pending_signals(env);
313 /* XXX: find a better solution */
314 extern void tb_invalidate_page_range(target_ulong start, target_ulong end);
316 static void arm_cache_flush(target_ulong start, target_ulong last)
318 target_ulong addr, last1;
324 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
327 tb_invalidate_page_range(addr, last1 + 1);
334 void cpu_loop(CPUARMState *env)
337 unsigned int n, insn;
338 target_siginfo_t info;
342 trapnr = cpu_arm_exec(env);
346 TaskState *ts = env->opaque;
349 /* we handle the FPU emulation here, as Linux */
350 /* we get the opcode */
351 opcode = tget32(env->regs[15]);
353 if (EmulateAll(opcode, &ts->fpa, env) == 0) {
354 info.si_signo = SIGILL;
356 info.si_code = TARGET_ILL_ILLOPN;
357 info._sifields._sigfault._addr = env->regs[15];
358 queue_signal(info.si_signo, &info);
370 if (trapnr == EXCP_BKPT) {
372 insn = tget16(env->regs[15]);
376 insn = tget32(env->regs[15]);
377 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
382 insn = tget16(env->regs[15] - 2);
385 insn = tget32(env->regs[15] - 4);
390 if (n == ARM_NR_cacheflush) {
391 arm_cache_flush(env->regs[0], env->regs[1]);
392 } else if (n == ARM_NR_semihosting
393 || n == ARM_NR_thumb_semihosting) {
394 env->regs[0] = do_arm_semihosting (env);
395 } else if (n == 0 || n >= ARM_SYSCALL_BASE
396 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
398 if (env->thumb || n == 0) {
401 n -= ARM_SYSCALL_BASE;
404 env->regs[0] = do_syscall(env,
418 /* just indicate that signals should be handled asap */
420 case EXCP_PREFETCH_ABORT:
421 addr = env->cp15.c6_data;
423 case EXCP_DATA_ABORT:
424 addr = env->cp15.c6_insn;
428 info.si_signo = SIGSEGV;
430 /* XXX: check env->error_code */
431 info.si_code = TARGET_SEGV_MAPERR;
432 info._sifields._sigfault._addr = addr;
433 queue_signal(info.si_signo, &info);
440 sig = gdb_handlesig (env, TARGET_SIGTRAP);
445 info.si_code = TARGET_TRAP_BRKPT;
446 queue_signal(info.si_signo, &info);
452 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
454 cpu_dump_state(env, stderr, fprintf, 0);
457 process_pending_signals(env);
467 /* WARNING: dealing with register windows _is_ complicated. More info
468 can be found at http://www.sics.se/~psm/sparcstack.html */
469 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
471 index = (index + cwp * 16) & (16 * NWINDOWS - 1);
472 /* wrap handling : if cwp is on the last window, then we use the
473 registers 'after' the end */
474 if (index < 8 && env->cwp == (NWINDOWS - 1))
475 index += (16 * NWINDOWS);
479 /* save the register window 'cwp1' */
480 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
485 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
486 #if defined(DEBUG_WIN)
487 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
490 for(i = 0; i < 16; i++) {
491 tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
492 sp_ptr += sizeof(target_ulong);
496 static void save_window(CPUSPARCState *env)
498 unsigned int new_wim;
499 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
500 ((1LL << NWINDOWS) - 1);
501 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(target_ulong);
527 static void flush_windows(CPUSPARCState *env)
533 /* if restore would invoke restore_window(), then we can stop */
534 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
535 if (env->wim & (1 << cwp1))
537 save_window_offset(env, cwp1);
540 /* set wim so that restore will reload the registers */
541 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
542 env->wim = 1 << cwp1;
543 #if defined(DEBUG_WIN)
544 printf("flush_windows: nb=%d\n", offset - 1);
548 void cpu_loop (CPUSPARCState *env)
551 target_siginfo_t info;
554 trapnr = cpu_sparc_exec (env);
559 ret = do_syscall (env, env->gregs[1],
560 env->regwptr[0], env->regwptr[1],
561 env->regwptr[2], env->regwptr[3],
562 env->regwptr[4], env->regwptr[5]);
563 if ((unsigned int)ret >= (unsigned int)(-515)) {
564 env->psr |= PSR_CARRY;
567 env->psr &= ~PSR_CARRY;
569 env->regwptr[0] = ret;
570 /* next instruction */
572 env->npc = env->npc + 4;
574 case 0x83: /* flush windows */
576 /* next instruction */
578 env->npc = env->npc + 4;
580 #ifndef TARGET_SPARC64
581 case TT_WIN_OVF: /* window overflow */
584 case TT_WIN_UNF: /* window underflow */
590 info.si_signo = SIGSEGV;
592 /* XXX: check env->error_code */
593 info.si_code = TARGET_SEGV_MAPERR;
594 info._sifields._sigfault._addr = env->mmuregs[4];
595 queue_signal(info.si_signo, &info);
601 case 0x100: // XXX, why do we get these?
607 sig = gdb_handlesig (env, TARGET_SIGTRAP);
612 info.si_code = TARGET_TRAP_BRKPT;
613 queue_signal(info.si_signo, &info);
618 printf ("Unhandled trap: 0x%x\n", trapnr);
619 cpu_dump_state(env, stderr, fprintf, 0);
622 process_pending_signals (env);
630 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
636 uint32_t cpu_ppc_load_tbl (CPUState *env)
638 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
641 uint32_t cpu_ppc_load_tbu (CPUState *env)
643 return cpu_ppc_get_tb(env) >> 32;
646 static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
651 void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
653 cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
656 void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
658 cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
661 uint32_t cpu_ppc_load_decr (CPUState *env)
667 void cpu_ppc_store_decr (CPUState *env, uint32_t value)
672 void cpu_loop(CPUPPCState *env)
674 target_siginfo_t info;
679 trapnr = cpu_ppc_exec(env);
680 if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
681 trapnr != EXCP_TRACE) {
683 cpu_dump_state(env, logfile, fprintf, 0);
689 case EXCP_SYSCALL_USER:
692 * PPC ABI uses overflow flag in cr0 to signal an error
696 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
697 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
700 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
701 env->gpr[5], env->gpr[6], env->gpr[7],
703 if (ret > (uint32_t)(-515)) {
709 printf("syscall returned 0x%08x (%d)\n", ret, ret);
713 /* Should not happen ! */
714 fprintf(stderr, "RESET asked... Stop emulation\n");
716 fprintf(logfile, "RESET asked... Stop emulation\n");
718 case EXCP_MACHINE_CHECK:
719 fprintf(stderr, "Machine check exeption... Stop emulation\n");
721 fprintf(logfile, "RESET asked... Stop emulation\n");
722 info.si_signo = TARGET_SIGBUS;
724 info.si_code = TARGET_BUS_OBJERR;
725 info._sifields._sigfault._addr = env->nip - 4;
726 queue_signal(info.si_signo, &info);
728 fprintf(stderr, "Invalid data memory access: 0x%08x\n",
731 fprintf(logfile, "Invalid data memory access: 0x%08x\n",
734 switch (env->error_code & 0xFF000000) {
736 info.si_signo = TARGET_SIGSEGV;
738 info.si_code = TARGET_SEGV_MAPERR;
741 info.si_signo = TARGET_SIGILL;
743 info.si_code = TARGET_ILL_ILLADR;
746 info.si_signo = TARGET_SIGSEGV;
748 info.si_code = TARGET_SEGV_ACCERR;
751 /* Let's send a regular segfault... */
752 fprintf(stderr, "Invalid segfault errno (%02x)\n",
755 fprintf(logfile, "Invalid segfault errno (%02x)\n",
758 info.si_signo = TARGET_SIGSEGV;
760 info.si_code = TARGET_SEGV_MAPERR;
763 info._sifields._sigfault._addr = env->nip;
764 queue_signal(info.si_signo, &info);
767 fprintf(stderr, "Invalid instruction fetch\n");
769 fprintf(logfile, "Invalid instruction fetch\n");
770 switch (env->error_code & 0xFF000000) {
772 info.si_signo = TARGET_SIGSEGV;
774 info.si_code = TARGET_SEGV_MAPERR;
778 info.si_signo = TARGET_SIGSEGV;
780 info.si_code = TARGET_SEGV_ACCERR;
783 /* Let's send a regular segfault... */
784 fprintf(stderr, "Invalid segfault errno (%02x)\n",
787 fprintf(logfile, "Invalid segfault errno (%02x)\n",
790 info.si_signo = TARGET_SIGSEGV;
792 info.si_code = TARGET_SEGV_MAPERR;
795 info._sifields._sigfault._addr = env->nip - 4;
796 queue_signal(info.si_signo, &info);
799 /* Should not happen ! */
800 fprintf(stderr, "External interruption... Stop emulation\n");
802 fprintf(logfile, "External interruption... Stop emulation\n");
805 fprintf(stderr, "Invalid unaligned memory access\n");
807 fprintf(logfile, "Invalid unaligned memory access\n");
808 info.si_signo = TARGET_SIGBUS;
810 info.si_code = TARGET_BUS_ADRALN;
811 info._sifields._sigfault._addr = env->nip - 4;
812 queue_signal(info.si_signo, &info);
815 switch (env->error_code & ~0xF) {
817 fprintf(stderr, "Program exception\n");
819 fprintf(logfile, "Program exception\n");
821 env->fpscr[7] |= 0x8;
822 /* Finally, update FEX */
823 if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
824 ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
825 env->fpscr[7] |= 0x4;
826 info.si_signo = TARGET_SIGFPE;
828 switch (env->error_code & 0xF) {
830 info.si_code = TARGET_FPE_FLTOVF;
833 info.si_code = TARGET_FPE_FLTUND;
837 info.si_code = TARGET_FPE_FLTDIV;
840 info.si_code = TARGET_FPE_FLTRES;
843 info.si_code = TARGET_FPE_FLTINV;
852 info.si_code = TARGET_FPE_FLTSUB;
855 fprintf(stderr, "Unknown floating point exception "
856 "(%02x)\n", env->error_code);
858 fprintf(logfile, "Unknown floating point exception "
859 "(%02x)\n", env->error_code & 0xF);
864 fprintf(stderr, "Invalid instruction\n");
866 fprintf(logfile, "Invalid instruction\n");
867 info.si_signo = TARGET_SIGILL;
869 switch (env->error_code & 0xF) {
870 case EXCP_INVAL_INVAL:
871 info.si_code = TARGET_ILL_ILLOPC;
873 case EXCP_INVAL_LSWX:
874 info.si_code = TARGET_ILL_ILLOPN;
877 info.si_code = TARGET_ILL_PRVREG;
880 info.si_code = TARGET_ILL_COPROC;
883 fprintf(stderr, "Unknown invalid operation (%02x)\n",
884 env->error_code & 0xF);
886 fprintf(logfile, "Unknown invalid operation (%02x)\n",
887 env->error_code & 0xF);
889 info.si_code = TARGET_ILL_ILLADR;
894 fprintf(stderr, "Privilege violation\n");
896 fprintf(logfile, "Privilege violation\n");
897 info.si_signo = TARGET_SIGILL;
899 switch (env->error_code & 0xF) {
901 info.si_code = TARGET_ILL_PRVOPC;
904 info.si_code = TARGET_ILL_PRVREG;
907 fprintf(stderr, "Unknown privilege violation (%02x)\n",
908 env->error_code & 0xF);
909 info.si_code = TARGET_ILL_PRVOPC;
914 fprintf(stderr, "Tried to call a TRAP\n");
916 fprintf(logfile, "Tried to call a TRAP\n");
919 /* Should not happen ! */
920 fprintf(stderr, "Unknown program exception (%02x)\n",
923 fprintf(logfile, "Unknwon program exception (%02x)\n",
928 info._sifields._sigfault._addr = env->nip - 4;
929 queue_signal(info.si_signo, &info);
932 fprintf(stderr, "No floating point allowed\n");
934 fprintf(logfile, "No floating point allowed\n");
935 info.si_signo = TARGET_SIGILL;
937 info.si_code = TARGET_ILL_COPROC;
938 info._sifields._sigfault._addr = env->nip - 4;
939 queue_signal(info.si_signo, &info);
942 /* Should not happen ! */
943 fprintf(stderr, "Decrementer exception\n");
945 fprintf(logfile, "Decrementer exception\n");
948 /* Do nothing: we use this to trace execution */
951 /* Should not happen ! */
952 fprintf(stderr, "Floating point assist exception\n");
954 fprintf(logfile, "Floating point assist exception\n");
957 /* We reloaded the msr, just go on */
959 fprintf(stderr, "Tried to go into supervisor mode !\n");
961 fprintf(logfile, "Tried to go into supervisor mode !\n");
966 /* We stopped because of a jump... */
969 /* Don't know why this should ever happen... */
975 sig = gdb_handlesig (env, TARGET_SIGTRAP);
980 info.si_code = TARGET_TRAP_BRKPT;
981 queue_signal(info.si_signo, &info);
986 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
989 fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
990 "0x%02x - aborting\n", trapnr, env->error_code);
994 process_pending_signals(env);
1001 #define MIPS_SYS(name, args) args,
1003 static const uint8_t mips_syscall_args[] = {
1004 MIPS_SYS(sys_syscall , 0) /* 4000 */
1005 MIPS_SYS(sys_exit , 1)
1006 MIPS_SYS(sys_fork , 0)
1007 MIPS_SYS(sys_read , 3)
1008 MIPS_SYS(sys_write , 3)
1009 MIPS_SYS(sys_open , 3) /* 4005 */
1010 MIPS_SYS(sys_close , 1)
1011 MIPS_SYS(sys_waitpid , 3)
1012 MIPS_SYS(sys_creat , 2)
1013 MIPS_SYS(sys_link , 2)
1014 MIPS_SYS(sys_unlink , 1) /* 4010 */
1015 MIPS_SYS(sys_execve , 0)
1016 MIPS_SYS(sys_chdir , 1)
1017 MIPS_SYS(sys_time , 1)
1018 MIPS_SYS(sys_mknod , 3)
1019 MIPS_SYS(sys_chmod , 2) /* 4015 */
1020 MIPS_SYS(sys_lchown , 3)
1021 MIPS_SYS(sys_ni_syscall , 0)
1022 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1023 MIPS_SYS(sys_lseek , 3)
1024 MIPS_SYS(sys_getpid , 0) /* 4020 */
1025 MIPS_SYS(sys_mount , 5)
1026 MIPS_SYS(sys_oldumount , 1)
1027 MIPS_SYS(sys_setuid , 1)
1028 MIPS_SYS(sys_getuid , 0)
1029 MIPS_SYS(sys_stime , 1) /* 4025 */
1030 MIPS_SYS(sys_ptrace , 4)
1031 MIPS_SYS(sys_alarm , 1)
1032 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1033 MIPS_SYS(sys_pause , 0)
1034 MIPS_SYS(sys_utime , 2) /* 4030 */
1035 MIPS_SYS(sys_ni_syscall , 0)
1036 MIPS_SYS(sys_ni_syscall , 0)
1037 MIPS_SYS(sys_access , 2)
1038 MIPS_SYS(sys_nice , 1)
1039 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1040 MIPS_SYS(sys_sync , 0)
1041 MIPS_SYS(sys_kill , 2)
1042 MIPS_SYS(sys_rename , 2)
1043 MIPS_SYS(sys_mkdir , 2)
1044 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1045 MIPS_SYS(sys_dup , 1)
1046 MIPS_SYS(sys_pipe , 0)
1047 MIPS_SYS(sys_times , 1)
1048 MIPS_SYS(sys_ni_syscall , 0)
1049 MIPS_SYS(sys_brk , 1) /* 4045 */
1050 MIPS_SYS(sys_setgid , 1)
1051 MIPS_SYS(sys_getgid , 0)
1052 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1053 MIPS_SYS(sys_geteuid , 0)
1054 MIPS_SYS(sys_getegid , 0) /* 4050 */
1055 MIPS_SYS(sys_acct , 0)
1056 MIPS_SYS(sys_umount , 2)
1057 MIPS_SYS(sys_ni_syscall , 0)
1058 MIPS_SYS(sys_ioctl , 3)
1059 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1060 MIPS_SYS(sys_ni_syscall , 2)
1061 MIPS_SYS(sys_setpgid , 2)
1062 MIPS_SYS(sys_ni_syscall , 0)
1063 MIPS_SYS(sys_olduname , 1)
1064 MIPS_SYS(sys_umask , 1) /* 4060 */
1065 MIPS_SYS(sys_chroot , 1)
1066 MIPS_SYS(sys_ustat , 2)
1067 MIPS_SYS(sys_dup2 , 2)
1068 MIPS_SYS(sys_getppid , 0)
1069 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1070 MIPS_SYS(sys_setsid , 0)
1071 MIPS_SYS(sys_sigaction , 3)
1072 MIPS_SYS(sys_sgetmask , 0)
1073 MIPS_SYS(sys_ssetmask , 1)
1074 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1075 MIPS_SYS(sys_setregid , 2)
1076 MIPS_SYS(sys_sigsuspend , 0)
1077 MIPS_SYS(sys_sigpending , 1)
1078 MIPS_SYS(sys_sethostname , 2)
1079 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1080 MIPS_SYS(sys_getrlimit , 2)
1081 MIPS_SYS(sys_getrusage , 2)
1082 MIPS_SYS(sys_gettimeofday, 2)
1083 MIPS_SYS(sys_settimeofday, 2)
1084 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1085 MIPS_SYS(sys_setgroups , 2)
1086 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1087 MIPS_SYS(sys_symlink , 2)
1088 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1089 MIPS_SYS(sys_readlink , 3) /* 4085 */
1090 MIPS_SYS(sys_uselib , 1)
1091 MIPS_SYS(sys_swapon , 2)
1092 MIPS_SYS(sys_reboot , 3)
1093 MIPS_SYS(old_readdir , 3)
1094 MIPS_SYS(old_mmap , 6) /* 4090 */
1095 MIPS_SYS(sys_munmap , 2)
1096 MIPS_SYS(sys_truncate , 2)
1097 MIPS_SYS(sys_ftruncate , 2)
1098 MIPS_SYS(sys_fchmod , 2)
1099 MIPS_SYS(sys_fchown , 3) /* 4095 */
1100 MIPS_SYS(sys_getpriority , 2)
1101 MIPS_SYS(sys_setpriority , 3)
1102 MIPS_SYS(sys_ni_syscall , 0)
1103 MIPS_SYS(sys_statfs , 2)
1104 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1105 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1106 MIPS_SYS(sys_socketcall , 2)
1107 MIPS_SYS(sys_syslog , 3)
1108 MIPS_SYS(sys_setitimer , 3)
1109 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1110 MIPS_SYS(sys_newstat , 2)
1111 MIPS_SYS(sys_newlstat , 2)
1112 MIPS_SYS(sys_newfstat , 2)
1113 MIPS_SYS(sys_uname , 1)
1114 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1115 MIPS_SYS(sys_vhangup , 0)
1116 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1117 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1118 MIPS_SYS(sys_wait4 , 4)
1119 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1120 MIPS_SYS(sys_sysinfo , 1)
1121 MIPS_SYS(sys_ipc , 6)
1122 MIPS_SYS(sys_fsync , 1)
1123 MIPS_SYS(sys_sigreturn , 0)
1124 MIPS_SYS(sys_clone , 0) /* 4120 */
1125 MIPS_SYS(sys_setdomainname, 2)
1126 MIPS_SYS(sys_newuname , 1)
1127 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1128 MIPS_SYS(sys_adjtimex , 1)
1129 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1130 MIPS_SYS(sys_sigprocmask , 3)
1131 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1132 MIPS_SYS(sys_init_module , 5)
1133 MIPS_SYS(sys_delete_module, 1)
1134 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1135 MIPS_SYS(sys_quotactl , 0)
1136 MIPS_SYS(sys_getpgid , 1)
1137 MIPS_SYS(sys_fchdir , 1)
1138 MIPS_SYS(sys_bdflush , 2)
1139 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1140 MIPS_SYS(sys_personality , 1)
1141 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1142 MIPS_SYS(sys_setfsuid , 1)
1143 MIPS_SYS(sys_setfsgid , 1)
1144 MIPS_SYS(sys_llseek , 5) /* 4140 */
1145 MIPS_SYS(sys_getdents , 3)
1146 MIPS_SYS(sys_select , 5)
1147 MIPS_SYS(sys_flock , 2)
1148 MIPS_SYS(sys_msync , 3)
1149 MIPS_SYS(sys_readv , 3) /* 4145 */
1150 MIPS_SYS(sys_writev , 3)
1151 MIPS_SYS(sys_cacheflush , 3)
1152 MIPS_SYS(sys_cachectl , 3)
1153 MIPS_SYS(sys_sysmips , 4)
1154 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1155 MIPS_SYS(sys_getsid , 1)
1156 MIPS_SYS(sys_fdatasync , 0)
1157 MIPS_SYS(sys_sysctl , 1)
1158 MIPS_SYS(sys_mlock , 2)
1159 MIPS_SYS(sys_munlock , 2) /* 4155 */
1160 MIPS_SYS(sys_mlockall , 1)
1161 MIPS_SYS(sys_munlockall , 0)
1162 MIPS_SYS(sys_sched_setparam, 2)
1163 MIPS_SYS(sys_sched_getparam, 2)
1164 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1165 MIPS_SYS(sys_sched_getscheduler, 1)
1166 MIPS_SYS(sys_sched_yield , 0)
1167 MIPS_SYS(sys_sched_get_priority_max, 1)
1168 MIPS_SYS(sys_sched_get_priority_min, 1)
1169 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1170 MIPS_SYS(sys_nanosleep, 2)
1171 MIPS_SYS(sys_mremap , 4)
1172 MIPS_SYS(sys_accept , 3)
1173 MIPS_SYS(sys_bind , 3)
1174 MIPS_SYS(sys_connect , 3) /* 4170 */
1175 MIPS_SYS(sys_getpeername , 3)
1176 MIPS_SYS(sys_getsockname , 3)
1177 MIPS_SYS(sys_getsockopt , 5)
1178 MIPS_SYS(sys_listen , 2)
1179 MIPS_SYS(sys_recv , 4) /* 4175 */
1180 MIPS_SYS(sys_recvfrom , 6)
1181 MIPS_SYS(sys_recvmsg , 3)
1182 MIPS_SYS(sys_send , 4)
1183 MIPS_SYS(sys_sendmsg , 3)
1184 MIPS_SYS(sys_sendto , 6) /* 4180 */
1185 MIPS_SYS(sys_setsockopt , 5)
1186 MIPS_SYS(sys_shutdown , 2)
1187 MIPS_SYS(sys_socket , 3)
1188 MIPS_SYS(sys_socketpair , 4)
1189 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1190 MIPS_SYS(sys_getresuid , 3)
1191 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1192 MIPS_SYS(sys_poll , 3)
1193 MIPS_SYS(sys_nfsservctl , 3)
1194 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1195 MIPS_SYS(sys_getresgid , 3)
1196 MIPS_SYS(sys_prctl , 5)
1197 MIPS_SYS(sys_rt_sigreturn, 0)
1198 MIPS_SYS(sys_rt_sigaction, 4)
1199 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1200 MIPS_SYS(sys_rt_sigpending, 2)
1201 MIPS_SYS(sys_rt_sigtimedwait, 4)
1202 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1203 MIPS_SYS(sys_rt_sigsuspend, 0)
1204 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1205 MIPS_SYS(sys_pwrite64 , 6)
1206 MIPS_SYS(sys_chown , 3)
1207 MIPS_SYS(sys_getcwd , 2)
1208 MIPS_SYS(sys_capget , 2)
1209 MIPS_SYS(sys_capset , 2) /* 4205 */
1210 MIPS_SYS(sys_sigaltstack , 0)
1211 MIPS_SYS(sys_sendfile , 4)
1212 MIPS_SYS(sys_ni_syscall , 0)
1213 MIPS_SYS(sys_ni_syscall , 0)
1214 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1215 MIPS_SYS(sys_truncate64 , 4)
1216 MIPS_SYS(sys_ftruncate64 , 4)
1217 MIPS_SYS(sys_stat64 , 2)
1218 MIPS_SYS(sys_lstat64 , 2)
1219 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1220 MIPS_SYS(sys_pivot_root , 2)
1221 MIPS_SYS(sys_mincore , 3)
1222 MIPS_SYS(sys_madvise , 3)
1223 MIPS_SYS(sys_getdents64 , 3)
1224 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1225 MIPS_SYS(sys_ni_syscall , 0)
1226 MIPS_SYS(sys_gettid , 0)
1227 MIPS_SYS(sys_readahead , 5)
1228 MIPS_SYS(sys_setxattr , 5)
1229 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1230 MIPS_SYS(sys_fsetxattr , 5)
1231 MIPS_SYS(sys_getxattr , 4)
1232 MIPS_SYS(sys_lgetxattr , 4)
1233 MIPS_SYS(sys_fgetxattr , 4)
1234 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1235 MIPS_SYS(sys_llistxattr , 3)
1236 MIPS_SYS(sys_flistxattr , 3)
1237 MIPS_SYS(sys_removexattr , 2)
1238 MIPS_SYS(sys_lremovexattr, 2)
1239 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1240 MIPS_SYS(sys_tkill , 2)
1241 MIPS_SYS(sys_sendfile64 , 5)
1242 MIPS_SYS(sys_futex , 2)
1243 MIPS_SYS(sys_sched_setaffinity, 3)
1244 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1245 MIPS_SYS(sys_io_setup , 2)
1246 MIPS_SYS(sys_io_destroy , 1)
1247 MIPS_SYS(sys_io_getevents, 5)
1248 MIPS_SYS(sys_io_submit , 3)
1249 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1250 MIPS_SYS(sys_exit_group , 1)
1251 MIPS_SYS(sys_lookup_dcookie, 3)
1252 MIPS_SYS(sys_epoll_create, 1)
1253 MIPS_SYS(sys_epoll_ctl , 4)
1254 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1255 MIPS_SYS(sys_remap_file_pages, 5)
1256 MIPS_SYS(sys_set_tid_address, 1)
1257 MIPS_SYS(sys_restart_syscall, 0)
1258 MIPS_SYS(sys_fadvise64_64, 7)
1259 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1260 MIPS_SYS(sys_fstatfs64 , 2)
1261 MIPS_SYS(sys_timer_create, 3)
1262 MIPS_SYS(sys_timer_settime, 4)
1263 MIPS_SYS(sys_timer_gettime, 2)
1264 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1265 MIPS_SYS(sys_timer_delete, 1)
1266 MIPS_SYS(sys_clock_settime, 2)
1267 MIPS_SYS(sys_clock_gettime, 2)
1268 MIPS_SYS(sys_clock_getres, 2)
1269 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1270 MIPS_SYS(sys_tgkill , 3)
1271 MIPS_SYS(sys_utimes , 2)
1272 MIPS_SYS(sys_mbind , 4)
1273 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1274 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1275 MIPS_SYS(sys_mq_open , 4)
1276 MIPS_SYS(sys_mq_unlink , 1)
1277 MIPS_SYS(sys_mq_timedsend, 5)
1278 MIPS_SYS(sys_mq_timedreceive, 5)
1279 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1280 MIPS_SYS(sys_mq_getsetattr, 3)
1281 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1282 MIPS_SYS(sys_waitid , 4)
1283 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1284 MIPS_SYS(sys_add_key , 5)
1285 MIPS_SYS(sys_request_key , 4)
1286 MIPS_SYS(sys_keyctl , 5)
1291 void cpu_loop(CPUMIPSState *env)
1293 target_siginfo_t info;
1294 int trapnr, ret, nb_args;
1295 unsigned int syscall_num;
1296 target_ulong arg5, arg6, sp_reg;
1299 trapnr = cpu_mips_exec(env);
1303 syscall_num = env->gpr[2] - 4000;
1304 if (syscall_num >= sizeof(mips_syscall_args)) {
1307 nb_args = mips_syscall_args[syscall_num];
1309 sp_reg = env->gpr[29];
1310 /* these arguments are taken from the stack */
1311 arg5 = tgetl(sp_reg + 16);
1313 arg6 = tgetl(sp_reg + 20);
1321 ret = do_syscall(env,
1332 if ((unsigned int)ret >= (unsigned int)(-1133)) {
1333 env->gpr[7] = 1; /* error flag */
1338 env->gpr[7] = 0; /* error flag */
1348 insn = tget32(env->PC);
1350 // printf("insn=%08x op=%02x\n", insn, op);
1351 /* XXX: totally dummy FP ops just to be able to launch
1352 a few executables */
1354 case 0x31: /* LWC1 */
1357 case 0x39: /* SWC1 */
1361 switch((insn >> 21) & 0x1f) {
1362 case 0x02: /* CFC1 */
1371 info.si_signo = TARGET_SIGILL;
1374 queue_signal(info.si_signo, &info);
1381 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1383 cpu_dump_state(env, stderr, fprintf, 0);
1386 process_pending_signals(env);
1392 void cpu_loop (CPUState *env)
1395 // target_siginfo_t info;
1398 trapnr = cpu_sh4_exec (env);
1402 ret = do_syscall(env,
1410 env->gregs[0x10] = ret;
1414 printf ("Unhandled trap: 0x%x\n", trapnr);
1415 cpu_dump_state(env, stderr, fprintf, 0);
1418 process_pending_signals (env);
1425 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
1426 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n"
1427 "Linux CPU emulator (compiled for %s emulation)\n"
1429 "-h print this help\n"
1430 "-g port wait gdb connection to port\n"
1431 "-L path set the elf interpreter prefix (default=%s)\n"
1432 "-s size set the stack size in bytes (default=%ld)\n"
1435 #ifdef USE_CODE_COPY
1436 "-no-code-copy disable code copy acceleration\n"
1438 "-d options activate log (logfile=%s)\n"
1439 "-p pagesize set the host page size to 'pagesize'\n",
1447 /* XXX: currently only used for async signals (see signal.c) */
1448 CPUState *global_env;
1450 /* used to free thread contexts */
1451 TaskState *first_task_state;
1453 int main(int argc, char **argv)
1455 const char *filename;
1456 struct target_pt_regs regs1, *regs = ®s1;
1457 struct image_info info1, *info = &info1;
1458 TaskState ts1, *ts = &ts1;
1462 int gdbstub_port = 0;
1468 cpu_set_log_filename(DEBUG_LOGFILE);
1479 if (!strcmp(r, "-")) {
1481 } else if (!strcmp(r, "d")) {
1489 mask = cpu_str_to_log_mask(r);
1491 printf("Log items (comma separated):\n");
1492 for(item = cpu_log_items; item->mask != 0; item++) {
1493 printf("%-10s %s\n", item->name, item->help);
1498 } else if (!strcmp(r, "s")) {
1500 x86_stack_size = strtol(r, (char **)&r, 0);
1501 if (x86_stack_size <= 0)
1504 x86_stack_size *= 1024 * 1024;
1505 else if (*r == 'k' || *r == 'K')
1506 x86_stack_size *= 1024;
1507 } else if (!strcmp(r, "L")) {
1508 interp_prefix = argv[optind++];
1509 } else if (!strcmp(r, "p")) {
1510 qemu_host_page_size = atoi(argv[optind++]);
1511 if (qemu_host_page_size == 0 ||
1512 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
1513 fprintf(stderr, "page size must be a power of two\n");
1516 } else if (!strcmp(r, "g")) {
1517 gdbstub_port = atoi(argv[optind++]);
1518 } else if (!strcmp(r, "r")) {
1519 qemu_uname_release = argv[optind++];
1521 #ifdef USE_CODE_COPY
1522 if (!strcmp(r, "no-code-copy")) {
1523 code_copy_enabled = 0;
1532 filename = argv[optind];
1535 memset(regs, 0, sizeof(struct target_pt_regs));
1537 /* Zero out image_info */
1538 memset(info, 0, sizeof(struct image_info));
1540 /* Scan interp_prefix dir for replacement files. */
1541 init_paths(interp_prefix);
1543 /* NOTE: we need to init the CPU at this stage to get
1544 qemu_host_page_size */
1548 if (loader_exec(filename, argv+optind, environ, regs, info) != 0) {
1549 printf("Error loading %s\n", filename);
1556 fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
1557 fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
1558 fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
1559 fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
1560 fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
1561 fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
1562 fprintf(logfile, "brk 0x%08lx\n" , info->brk);
1563 fprintf(logfile, "entry 0x%08lx\n" , info->entry);
1566 target_set_brk(info->brk);
1570 /* build Task State */
1571 memset(ts, 0, sizeof(TaskState));
1574 env->user_mode_only = 1;
1576 #if defined(TARGET_I386)
1577 cpu_x86_set_cpl(env, 3);
1579 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1580 env->hflags |= HF_PE_MASK;
1581 if (env->cpuid_features & CPUID_SSE) {
1582 env->cr[4] |= CR4_OSFXSR_MASK;
1583 env->hflags |= HF_OSFXSR_MASK;
1586 /* flags setup : we activate the IRQs by default as in user mode */
1587 env->eflags |= IF_MASK;
1589 /* linux register setup */
1590 env->regs[R_EAX] = regs->eax;
1591 env->regs[R_EBX] = regs->ebx;
1592 env->regs[R_ECX] = regs->ecx;
1593 env->regs[R_EDX] = regs->edx;
1594 env->regs[R_ESI] = regs->esi;
1595 env->regs[R_EDI] = regs->edi;
1596 env->regs[R_EBP] = regs->ebp;
1597 env->regs[R_ESP] = regs->esp;
1598 env->eip = regs->eip;
1600 /* linux interrupt setup */
1601 env->idt.base = h2g(idt_table);
1602 env->idt.limit = sizeof(idt_table) - 1;
1625 /* linux segment setup */
1626 env->gdt.base = h2g(gdt_table);
1627 env->gdt.limit = sizeof(gdt_table) - 1;
1628 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
1629 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1630 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
1631 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
1632 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1633 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
1634 cpu_x86_load_seg(env, R_CS, __USER_CS);
1635 cpu_x86_load_seg(env, R_DS, __USER_DS);
1636 cpu_x86_load_seg(env, R_ES, __USER_DS);
1637 cpu_x86_load_seg(env, R_SS, __USER_DS);
1638 cpu_x86_load_seg(env, R_FS, __USER_DS);
1639 cpu_x86_load_seg(env, R_GS, __USER_DS);
1641 #elif defined(TARGET_ARM)
1644 cpu_arm_set_model(env, ARM_CPUID_ARM1026);
1645 cpsr_write(env, regs->uregs[16], 0xffffffff);
1646 for(i = 0; i < 16; i++) {
1647 env->regs[i] = regs->uregs[i];
1649 ts->stack_base = info->start_stack;
1650 ts->heap_base = info->brk;
1651 /* This will be filled in on the first SYS_HEAPINFO call. */
1654 #elif defined(TARGET_SPARC)
1658 env->npc = regs->npc;
1660 for(i = 0; i < 8; i++)
1661 env->gregs[i] = regs->u_regs[i];
1662 for(i = 0; i < 8; i++)
1663 env->regwptr[i] = regs->u_regs[i + 8];
1665 #elif defined(TARGET_PPC)
1670 /* Choose and initialise CPU */
1671 /* XXX: CPU model (or PVR) should be provided on command line */
1672 // ppc_find_by_name("750gx", &def);
1673 // ppc_find_by_name("750fx", &def);
1674 // ppc_find_by_name("750p", &def);
1675 ppc_find_by_name("750", &def);
1676 // ppc_find_by_name("G3", &def);
1677 // ppc_find_by_name("604r", &def);
1678 // ppc_find_by_name("604e", &def);
1679 // ppc_find_by_name("604", &def);
1682 "Unable to find PowerPC CPU definition\n");
1684 cpu_ppc_register(env, def);
1686 for (i = 0; i < 32; i++) {
1687 if (i != 12 && i != 6 && i != 13)
1688 env->msr[i] = (regs->msr >> i) & 1;
1690 env->nip = regs->nip;
1691 for(i = 0; i < 32; i++) {
1692 env->gpr[i] = regs->gpr[i];
1695 #elif defined(TARGET_MIPS)
1699 for(i = 0; i < 32; i++) {
1700 env->gpr[i] = regs->regs[i];
1702 env->PC = regs->cp0_epc;
1704 #elif defined(TARGET_SH4)
1708 for(i = 0; i < 16; i++) {
1709 env->gregs[i] = regs->regs[i];
1714 #error unsupported target CPU
1718 gdbserver_start (gdbstub_port);
1719 gdb_handlesig(env, 0);