4 * Copyright (c) 2003 Fabrice Bellard
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 #define DEBUG_LOGFILE "/tmp/qemu.log"
32 #include <crt_externs.h>
33 # define environ (*_NSGetEnviron())
36 static const char *interp_prefix = CONFIG_QEMU_PREFIX;
38 #if defined(__i386__) && !defined(CONFIG_STATIC)
39 /* Force usage of an ELF interpreter even if it is an ELF shared
41 const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
44 /* for recent libc, we add these dummy symbols which are not declared
45 when generating a linked object (bug in ld ?) */
46 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
47 long __preinit_array_start[0];
48 long __preinit_array_end[0];
49 long __init_array_start[0];
50 long __init_array_end[0];
51 long __fini_array_start[0];
52 long __fini_array_end[0];
55 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
56 we allocate a bigger stack. Need a better solution, for example
57 by remapping the process stack directly at the right place */
58 unsigned long x86_stack_size = 512 * 1024;
60 void gemu_log(const char *fmt, ...)
65 vfprintf(stderr, fmt, ap);
69 void cpu_outb(CPUState *env, int addr, int val)
71 fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
74 void cpu_outw(CPUState *env, int addr, int val)
76 fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
79 void cpu_outl(CPUState *env, int addr, int val)
81 fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
84 int cpu_inb(CPUState *env, int addr)
86 fprintf(stderr, "inb: port=0x%04x\n", addr);
90 int cpu_inw(CPUState *env, int addr)
92 fprintf(stderr, "inw: port=0x%04x\n", addr);
96 int cpu_inl(CPUState *env, int addr)
98 fprintf(stderr, "inl: port=0x%04x\n", addr);
102 int cpu_get_pic_interrupt(CPUState *env)
107 /* timers for rdtsc */
109 #if defined(__i386__)
111 int64_t cpu_get_real_ticks(void)
114 asm volatile ("rdtsc" : "=A" (val));
118 #elif defined(__x86_64__)
120 int64_t cpu_get_real_ticks(void)
124 asm volatile("rdtsc" : "=a" (low), "=d" (high));
133 static uint64_t emu_time;
135 int64_t cpu_get_real_ticks(void)
143 /***********************************************************/
144 /* CPUX86 core interface */
146 uint64_t cpu_get_tsc(CPUX86State *env)
148 return cpu_get_real_ticks();
151 static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
155 e1 = (addr << 16) | (limit & 0xffff);
156 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
158 stl((uint8_t *)ptr, e1);
159 stl((uint8_t *)ptr + 4, e2);
162 static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
163 unsigned long addr, unsigned int sel)
166 e1 = (addr & 0xffff) | (sel << 16);
167 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
168 stl((uint8_t *)ptr, e1);
169 stl((uint8_t *)ptr + 4, e2);
172 uint64_t gdt_table[6];
173 uint64_t idt_table[256];
175 /* only dpl matters as we do only user space emulation */
176 static void set_idt(int n, unsigned int dpl)
178 set_gate(idt_table + n, 0, dpl, 0, 0);
181 void cpu_loop(CPUX86State *env)
185 target_siginfo_t info;
188 trapnr = cpu_x86_exec(env);
192 env->regs[R_EAX] = do_syscall(env,
203 info.si_signo = SIGBUS;
205 info.si_code = TARGET_SI_KERNEL;
206 info._sifields._sigfault._addr = 0;
207 queue_signal(info.si_signo, &info);
210 if (env->eflags & VM_MASK) {
211 handle_vm86_fault(env);
213 info.si_signo = SIGSEGV;
215 info.si_code = TARGET_SI_KERNEL;
216 info._sifields._sigfault._addr = 0;
217 queue_signal(info.si_signo, &info);
221 info.si_signo = SIGSEGV;
223 if (!(env->error_code & 1))
224 info.si_code = TARGET_SEGV_MAPERR;
226 info.si_code = TARGET_SEGV_ACCERR;
227 info._sifields._sigfault._addr = env->cr[2];
228 queue_signal(info.si_signo, &info);
231 if (env->eflags & VM_MASK) {
232 handle_vm86_trap(env, trapnr);
234 /* division by zero */
235 info.si_signo = SIGFPE;
237 info.si_code = TARGET_FPE_INTDIV;
238 info._sifields._sigfault._addr = env->eip;
239 queue_signal(info.si_signo, &info);
244 if (env->eflags & VM_MASK) {
245 handle_vm86_trap(env, trapnr);
247 info.si_signo = SIGTRAP;
249 if (trapnr == EXCP01_SSTP) {
250 info.si_code = TARGET_TRAP_BRKPT;
251 info._sifields._sigfault._addr = env->eip;
253 info.si_code = TARGET_SI_KERNEL;
254 info._sifields._sigfault._addr = 0;
256 queue_signal(info.si_signo, &info);
261 if (env->eflags & VM_MASK) {
262 handle_vm86_trap(env, trapnr);
264 info.si_signo = SIGSEGV;
266 info.si_code = TARGET_SI_KERNEL;
267 info._sifields._sigfault._addr = 0;
268 queue_signal(info.si_signo, &info);
272 info.si_signo = SIGILL;
274 info.si_code = TARGET_ILL_ILLOPN;
275 info._sifields._sigfault._addr = env->eip;
276 queue_signal(info.si_signo, &info);
279 /* just indicate that signals should be handled asap */
285 sig = gdb_handlesig (env, TARGET_SIGTRAP);
290 info.si_code = TARGET_TRAP_BRKPT;
291 queue_signal(info.si_signo, &info);
296 pc = env->segs[R_CS].base + env->eip;
297 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
301 process_pending_signals(env);
308 /* XXX: find a better solution */
309 extern void tb_invalidate_page_range(target_ulong start, target_ulong end);
311 static void arm_cache_flush(target_ulong start, target_ulong last)
313 target_ulong addr, last1;
319 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
322 tb_invalidate_page_range(addr, last1 + 1);
329 void cpu_loop(CPUARMState *env)
332 unsigned int n, insn;
333 target_siginfo_t info;
337 trapnr = cpu_arm_exec(env);
341 TaskState *ts = env->opaque;
344 /* we handle the FPU emulation here, as Linux */
345 /* we get the opcode */
346 opcode = ldl_raw((uint8_t *)env->regs[15]);
348 if (EmulateAll(opcode, &ts->fpa, env->regs) == 0) {
349 info.si_signo = SIGILL;
351 info.si_code = TARGET_ILL_ILLOPN;
352 info._sifields._sigfault._addr = env->regs[15];
353 queue_signal(info.si_signo, &info);
364 if (trapnr == EXCP_BKPT) {
366 insn = lduw((void *)(env->regs[15]));
370 insn = ldl((void *)(env->regs[15]));
371 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
376 insn = lduw((void *)(env->regs[15] - 2));
379 insn = ldl((void *)(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 >= ARM_SYSCALL_BASE
390 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
395 n -= ARM_SYSCALL_BASE;
397 env->regs[0] = do_syscall(env,
411 /* just indicate that signals should be handled asap */
413 case EXCP_PREFETCH_ABORT:
414 addr = env->cp15.c6_data;
416 case EXCP_DATA_ABORT:
417 addr = env->cp15.c6_insn;
421 info.si_signo = SIGSEGV;
423 /* XXX: check env->error_code */
424 info.si_code = TARGET_SEGV_MAPERR;
425 info._sifields._sigfault._addr = addr;
426 queue_signal(info.si_signo, &info);
433 sig = gdb_handlesig (env, TARGET_SIGTRAP);
438 info.si_code = TARGET_TRAP_BRKPT;
439 queue_signal(info.si_signo, &info);
445 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
447 cpu_dump_state(env, stderr, fprintf, 0);
450 process_pending_signals(env);
460 /* WARNING: dealing with register windows _is_ complicated. More info
461 can be found at http://www.sics.se/~psm/sparcstack.html */
462 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
464 index = (index + cwp * 16) & (16 * NWINDOWS - 1);
465 /* wrap handling : if cwp is on the last window, then we use the
466 registers 'after' the end */
467 if (index < 8 && env->cwp == (NWINDOWS - 1))
468 index += (16 * NWINDOWS);
472 /* save the register window 'cwp1' */
473 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
478 sp_ptr = (uint32_t *)(env->regbase[get_reg_index(env, cwp1, 6)]);
479 #if defined(DEBUG_WIN)
480 printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
483 for(i = 0; i < 16; i++) {
484 put_user(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
489 static void save_window(CPUSPARCState *env)
491 unsigned int new_wim;
492 new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
493 ((1LL << NWINDOWS) - 1);
494 save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
498 static void restore_window(CPUSPARCState *env)
500 unsigned int new_wim, i, cwp1;
501 uint32_t *sp_ptr, reg;
503 new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
504 ((1LL << NWINDOWS) - 1);
506 /* restore the invalid window */
507 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
508 sp_ptr = (uint32_t *)(env->regbase[get_reg_index(env, cwp1, 6)]);
509 #if defined(DEBUG_WIN)
510 printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
513 for(i = 0; i < 16; i++) {
514 get_user(reg, sp_ptr);
515 env->regbase[get_reg_index(env, cwp1, 8 + i)] = reg;
521 static void flush_windows(CPUSPARCState *env)
527 /* if restore would invoke restore_window(), then we can stop */
528 cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
529 if (env->wim & (1 << cwp1))
531 save_window_offset(env, cwp1);
534 /* set wim so that restore will reload the registers */
535 cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
536 env->wim = 1 << cwp1;
537 #if defined(DEBUG_WIN)
538 printf("flush_windows: nb=%d\n", offset - 1);
542 void cpu_loop (CPUSPARCState *env)
545 target_siginfo_t info;
548 trapnr = cpu_sparc_exec (env);
553 ret = do_syscall (env, env->gregs[1],
554 env->regwptr[0], env->regwptr[1],
555 env->regwptr[2], env->regwptr[3],
556 env->regwptr[4], env->regwptr[5]);
557 if ((unsigned int)ret >= (unsigned int)(-515)) {
558 env->psr |= PSR_CARRY;
561 env->psr &= ~PSR_CARRY;
563 env->regwptr[0] = ret;
564 /* next instruction */
566 env->npc = env->npc + 4;
568 case 0x83: /* flush windows */
570 /* next instruction */
572 env->npc = env->npc + 4;
574 #ifndef TARGET_SPARC64
575 case TT_WIN_OVF: /* window overflow */
578 case TT_WIN_UNF: /* window underflow */
584 info.si_signo = SIGSEGV;
586 /* XXX: check env->error_code */
587 info.si_code = TARGET_SEGV_MAPERR;
588 info._sifields._sigfault._addr = env->mmuregs[4];
589 queue_signal(info.si_signo, &info);
595 case 0x100: // XXX, why do we get these?
601 sig = gdb_handlesig (env, TARGET_SIGTRAP);
606 info.si_code = TARGET_TRAP_BRKPT;
607 queue_signal(info.si_signo, &info);
612 printf ("Unhandled trap: 0x%x\n", trapnr);
613 cpu_dump_state(env, stderr, fprintf, 0);
616 process_pending_signals (env);
624 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
630 uint32_t cpu_ppc_load_tbl (CPUState *env)
632 return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
635 uint32_t cpu_ppc_load_tbu (CPUState *env)
637 return cpu_ppc_get_tb(env) >> 32;
640 static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
645 void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
647 cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
650 void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
652 cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
655 uint32_t cpu_ppc_load_decr (CPUState *env)
661 void cpu_ppc_store_decr (CPUState *env, uint32_t value)
666 void cpu_loop(CPUPPCState *env)
668 target_siginfo_t info;
673 trapnr = cpu_ppc_exec(env);
674 if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
675 trapnr != EXCP_TRACE) {
677 cpu_dump_state(env, logfile, fprintf, 0);
683 case EXCP_SYSCALL_USER:
686 * PPC ABI uses overflow flag in cr0 to signal an error
690 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
691 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
694 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
695 env->gpr[5], env->gpr[6], env->gpr[7],
697 if (ret > (uint32_t)(-515)) {
703 printf("syscall returned 0x%08x (%d)\n", ret, ret);
707 /* Should not happen ! */
708 fprintf(stderr, "RESET asked... Stop emulation\n");
710 fprintf(logfile, "RESET asked... Stop emulation\n");
712 case EXCP_MACHINE_CHECK:
713 fprintf(stderr, "Machine check exeption... Stop emulation\n");
715 fprintf(logfile, "RESET asked... Stop emulation\n");
716 info.si_signo = TARGET_SIGBUS;
718 info.si_code = TARGET_BUS_OBJERR;
719 info._sifields._sigfault._addr = env->nip - 4;
720 queue_signal(info.si_signo, &info);
722 fprintf(stderr, "Invalid data memory access: 0x%08x\n",
725 fprintf(logfile, "Invalid data memory access: 0x%08x\n",
728 switch (env->error_code & 0xFF000000) {
730 info.si_signo = TARGET_SIGSEGV;
732 info.si_code = TARGET_SEGV_MAPERR;
735 info.si_signo = TARGET_SIGILL;
737 info.si_code = TARGET_ILL_ILLADR;
740 info.si_signo = TARGET_SIGSEGV;
742 info.si_code = TARGET_SEGV_ACCERR;
745 /* Let's send a regular segfault... */
746 fprintf(stderr, "Invalid segfault errno (%02x)\n",
749 fprintf(logfile, "Invalid segfault errno (%02x)\n",
752 info.si_signo = TARGET_SIGSEGV;
754 info.si_code = TARGET_SEGV_MAPERR;
757 info._sifields._sigfault._addr = env->nip;
758 queue_signal(info.si_signo, &info);
761 fprintf(stderr, "Invalid instruction fetch\n");
763 fprintf(logfile, "Invalid instruction fetch\n");
764 switch (env->error_code & 0xFF000000) {
766 info.si_signo = TARGET_SIGSEGV;
768 info.si_code = TARGET_SEGV_MAPERR;
772 info.si_signo = TARGET_SIGSEGV;
774 info.si_code = TARGET_SEGV_ACCERR;
777 /* Let's send a regular segfault... */
778 fprintf(stderr, "Invalid segfault errno (%02x)\n",
781 fprintf(logfile, "Invalid segfault errno (%02x)\n",
784 info.si_signo = TARGET_SIGSEGV;
786 info.si_code = TARGET_SEGV_MAPERR;
789 info._sifields._sigfault._addr = env->nip - 4;
790 queue_signal(info.si_signo, &info);
793 /* Should not happen ! */
794 fprintf(stderr, "External interruption... Stop emulation\n");
796 fprintf(logfile, "External interruption... Stop emulation\n");
799 fprintf(stderr, "Invalid unaligned memory access\n");
801 fprintf(logfile, "Invalid unaligned memory access\n");
802 info.si_signo = TARGET_SIGBUS;
804 info.si_code = TARGET_BUS_ADRALN;
805 info._sifields._sigfault._addr = env->nip - 4;
806 queue_signal(info.si_signo, &info);
809 switch (env->error_code & ~0xF) {
811 fprintf(stderr, "Program exception\n");
813 fprintf(logfile, "Program exception\n");
815 env->fpscr[7] |= 0x8;
816 /* Finally, update FEX */
817 if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
818 ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
819 env->fpscr[7] |= 0x4;
820 info.si_signo = TARGET_SIGFPE;
822 switch (env->error_code & 0xF) {
824 info.si_code = TARGET_FPE_FLTOVF;
827 info.si_code = TARGET_FPE_FLTUND;
831 info.si_code = TARGET_FPE_FLTDIV;
834 info.si_code = TARGET_FPE_FLTRES;
837 info.si_code = TARGET_FPE_FLTINV;
846 info.si_code = TARGET_FPE_FLTSUB;
849 fprintf(stderr, "Unknown floating point exception "
850 "(%02x)\n", env->error_code);
852 fprintf(logfile, "Unknown floating point exception "
853 "(%02x)\n", env->error_code & 0xF);
858 fprintf(stderr, "Invalid instruction\n");
860 fprintf(logfile, "Invalid instruction\n");
861 info.si_signo = TARGET_SIGILL;
863 switch (env->error_code & 0xF) {
864 case EXCP_INVAL_INVAL:
865 info.si_code = TARGET_ILL_ILLOPC;
867 case EXCP_INVAL_LSWX:
868 info.si_code = TARGET_ILL_ILLOPN;
871 info.si_code = TARGET_ILL_PRVREG;
874 info.si_code = TARGET_ILL_COPROC;
877 fprintf(stderr, "Unknown invalid operation (%02x)\n",
878 env->error_code & 0xF);
880 fprintf(logfile, "Unknown invalid operation (%02x)\n",
881 env->error_code & 0xF);
883 info.si_code = TARGET_ILL_ILLADR;
888 fprintf(stderr, "Privilege violation\n");
890 fprintf(logfile, "Privilege violation\n");
891 info.si_signo = TARGET_SIGILL;
893 switch (env->error_code & 0xF) {
895 info.si_code = TARGET_ILL_PRVOPC;
898 info.si_code = TARGET_ILL_PRVREG;
901 fprintf(stderr, "Unknown privilege violation (%02x)\n",
902 env->error_code & 0xF);
903 info.si_code = TARGET_ILL_PRVOPC;
908 fprintf(stderr, "Tried to call a TRAP\n");
910 fprintf(logfile, "Tried to call a TRAP\n");
913 /* Should not happen ! */
914 fprintf(stderr, "Unknown program exception (%02x)\n",
917 fprintf(logfile, "Unknwon program exception (%02x)\n",
922 info._sifields._sigfault._addr = env->nip - 4;
923 queue_signal(info.si_signo, &info);
926 fprintf(stderr, "No floating point allowed\n");
928 fprintf(logfile, "No floating point allowed\n");
929 info.si_signo = TARGET_SIGILL;
931 info.si_code = TARGET_ILL_COPROC;
932 info._sifields._sigfault._addr = env->nip - 4;
933 queue_signal(info.si_signo, &info);
936 /* Should not happen ! */
937 fprintf(stderr, "Decrementer exception\n");
939 fprintf(logfile, "Decrementer exception\n");
942 /* Do nothing: we use this to trace execution */
945 /* Should not happen ! */
946 fprintf(stderr, "Floating point assist exception\n");
948 fprintf(logfile, "Floating point assist exception\n");
951 /* We reloaded the msr, just go on */
953 fprintf(stderr, "Tried to go into supervisor mode !\n");
955 fprintf(logfile, "Tried to go into supervisor mode !\n");
960 /* We stopped because of a jump... */
963 /* Don't know why this should ever happen... */
969 sig = gdb_handlesig (env, TARGET_SIGTRAP);
974 info.si_code = TARGET_TRAP_BRKPT;
975 queue_signal(info.si_signo, &info);
980 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
983 fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
984 "0x%02x - aborting\n", trapnr, env->error_code);
988 process_pending_signals(env);
995 #define MIPS_SYS(name, args) args,
997 static const uint8_t mips_syscall_args[] = {
998 MIPS_SYS(sys_syscall , 0) /* 4000 */
999 MIPS_SYS(sys_exit , 1)
1000 MIPS_SYS(sys_fork , 0)
1001 MIPS_SYS(sys_read , 3)
1002 MIPS_SYS(sys_write , 3)
1003 MIPS_SYS(sys_open , 3) /* 4005 */
1004 MIPS_SYS(sys_close , 1)
1005 MIPS_SYS(sys_waitpid , 3)
1006 MIPS_SYS(sys_creat , 2)
1007 MIPS_SYS(sys_link , 2)
1008 MIPS_SYS(sys_unlink , 1) /* 4010 */
1009 MIPS_SYS(sys_execve , 0)
1010 MIPS_SYS(sys_chdir , 1)
1011 MIPS_SYS(sys_time , 1)
1012 MIPS_SYS(sys_mknod , 3)
1013 MIPS_SYS(sys_chmod , 2) /* 4015 */
1014 MIPS_SYS(sys_lchown , 3)
1015 MIPS_SYS(sys_ni_syscall , 0)
1016 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1017 MIPS_SYS(sys_lseek , 3)
1018 MIPS_SYS(sys_getpid , 0) /* 4020 */
1019 MIPS_SYS(sys_mount , 5)
1020 MIPS_SYS(sys_oldumount , 1)
1021 MIPS_SYS(sys_setuid , 1)
1022 MIPS_SYS(sys_getuid , 0)
1023 MIPS_SYS(sys_stime , 1) /* 4025 */
1024 MIPS_SYS(sys_ptrace , 4)
1025 MIPS_SYS(sys_alarm , 1)
1026 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1027 MIPS_SYS(sys_pause , 0)
1028 MIPS_SYS(sys_utime , 2) /* 4030 */
1029 MIPS_SYS(sys_ni_syscall , 0)
1030 MIPS_SYS(sys_ni_syscall , 0)
1031 MIPS_SYS(sys_access , 2)
1032 MIPS_SYS(sys_nice , 1)
1033 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1034 MIPS_SYS(sys_sync , 0)
1035 MIPS_SYS(sys_kill , 2)
1036 MIPS_SYS(sys_rename , 2)
1037 MIPS_SYS(sys_mkdir , 2)
1038 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1039 MIPS_SYS(sys_dup , 1)
1040 MIPS_SYS(sys_pipe , 0)
1041 MIPS_SYS(sys_times , 1)
1042 MIPS_SYS(sys_ni_syscall , 0)
1043 MIPS_SYS(sys_brk , 1) /* 4045 */
1044 MIPS_SYS(sys_setgid , 1)
1045 MIPS_SYS(sys_getgid , 0)
1046 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1047 MIPS_SYS(sys_geteuid , 0)
1048 MIPS_SYS(sys_getegid , 0) /* 4050 */
1049 MIPS_SYS(sys_acct , 0)
1050 MIPS_SYS(sys_umount , 2)
1051 MIPS_SYS(sys_ni_syscall , 0)
1052 MIPS_SYS(sys_ioctl , 3)
1053 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1054 MIPS_SYS(sys_ni_syscall , 2)
1055 MIPS_SYS(sys_setpgid , 2)
1056 MIPS_SYS(sys_ni_syscall , 0)
1057 MIPS_SYS(sys_olduname , 1)
1058 MIPS_SYS(sys_umask , 1) /* 4060 */
1059 MIPS_SYS(sys_chroot , 1)
1060 MIPS_SYS(sys_ustat , 2)
1061 MIPS_SYS(sys_dup2 , 2)
1062 MIPS_SYS(sys_getppid , 0)
1063 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1064 MIPS_SYS(sys_setsid , 0)
1065 MIPS_SYS(sys_sigaction , 3)
1066 MIPS_SYS(sys_sgetmask , 0)
1067 MIPS_SYS(sys_ssetmask , 1)
1068 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1069 MIPS_SYS(sys_setregid , 2)
1070 MIPS_SYS(sys_sigsuspend , 0)
1071 MIPS_SYS(sys_sigpending , 1)
1072 MIPS_SYS(sys_sethostname , 2)
1073 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1074 MIPS_SYS(sys_getrlimit , 2)
1075 MIPS_SYS(sys_getrusage , 2)
1076 MIPS_SYS(sys_gettimeofday, 2)
1077 MIPS_SYS(sys_settimeofday, 2)
1078 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1079 MIPS_SYS(sys_setgroups , 2)
1080 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1081 MIPS_SYS(sys_symlink , 2)
1082 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1083 MIPS_SYS(sys_readlink , 3) /* 4085 */
1084 MIPS_SYS(sys_uselib , 1)
1085 MIPS_SYS(sys_swapon , 2)
1086 MIPS_SYS(sys_reboot , 3)
1087 MIPS_SYS(old_readdir , 3)
1088 MIPS_SYS(old_mmap , 6) /* 4090 */
1089 MIPS_SYS(sys_munmap , 2)
1090 MIPS_SYS(sys_truncate , 2)
1091 MIPS_SYS(sys_ftruncate , 2)
1092 MIPS_SYS(sys_fchmod , 2)
1093 MIPS_SYS(sys_fchown , 3) /* 4095 */
1094 MIPS_SYS(sys_getpriority , 2)
1095 MIPS_SYS(sys_setpriority , 3)
1096 MIPS_SYS(sys_ni_syscall , 0)
1097 MIPS_SYS(sys_statfs , 2)
1098 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1099 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1100 MIPS_SYS(sys_socketcall , 2)
1101 MIPS_SYS(sys_syslog , 3)
1102 MIPS_SYS(sys_setitimer , 3)
1103 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1104 MIPS_SYS(sys_newstat , 2)
1105 MIPS_SYS(sys_newlstat , 2)
1106 MIPS_SYS(sys_newfstat , 2)
1107 MIPS_SYS(sys_uname , 1)
1108 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1109 MIPS_SYS(sys_vhangup , 0)
1110 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1111 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1112 MIPS_SYS(sys_wait4 , 4)
1113 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1114 MIPS_SYS(sys_sysinfo , 1)
1115 MIPS_SYS(sys_ipc , 6)
1116 MIPS_SYS(sys_fsync , 1)
1117 MIPS_SYS(sys_sigreturn , 0)
1118 MIPS_SYS(sys_clone , 0) /* 4120 */
1119 MIPS_SYS(sys_setdomainname, 2)
1120 MIPS_SYS(sys_newuname , 1)
1121 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1122 MIPS_SYS(sys_adjtimex , 1)
1123 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1124 MIPS_SYS(sys_sigprocmask , 3)
1125 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1126 MIPS_SYS(sys_init_module , 5)
1127 MIPS_SYS(sys_delete_module, 1)
1128 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1129 MIPS_SYS(sys_quotactl , 0)
1130 MIPS_SYS(sys_getpgid , 1)
1131 MIPS_SYS(sys_fchdir , 1)
1132 MIPS_SYS(sys_bdflush , 2)
1133 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1134 MIPS_SYS(sys_personality , 1)
1135 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1136 MIPS_SYS(sys_setfsuid , 1)
1137 MIPS_SYS(sys_setfsgid , 1)
1138 MIPS_SYS(sys_llseek , 5) /* 4140 */
1139 MIPS_SYS(sys_getdents , 3)
1140 MIPS_SYS(sys_select , 5)
1141 MIPS_SYS(sys_flock , 2)
1142 MIPS_SYS(sys_msync , 3)
1143 MIPS_SYS(sys_readv , 3) /* 4145 */
1144 MIPS_SYS(sys_writev , 3)
1145 MIPS_SYS(sys_cacheflush , 3)
1146 MIPS_SYS(sys_cachectl , 3)
1147 MIPS_SYS(sys_sysmips , 4)
1148 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1149 MIPS_SYS(sys_getsid , 1)
1150 MIPS_SYS(sys_fdatasync , 0)
1151 MIPS_SYS(sys_sysctl , 1)
1152 MIPS_SYS(sys_mlock , 2)
1153 MIPS_SYS(sys_munlock , 2) /* 4155 */
1154 MIPS_SYS(sys_mlockall , 1)
1155 MIPS_SYS(sys_munlockall , 0)
1156 MIPS_SYS(sys_sched_setparam, 2)
1157 MIPS_SYS(sys_sched_getparam, 2)
1158 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1159 MIPS_SYS(sys_sched_getscheduler, 1)
1160 MIPS_SYS(sys_sched_yield , 0)
1161 MIPS_SYS(sys_sched_get_priority_max, 1)
1162 MIPS_SYS(sys_sched_get_priority_min, 1)
1163 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1164 MIPS_SYS(sys_nanosleep, 2)
1165 MIPS_SYS(sys_mremap , 4)
1166 MIPS_SYS(sys_accept , 3)
1167 MIPS_SYS(sys_bind , 3)
1168 MIPS_SYS(sys_connect , 3) /* 4170 */
1169 MIPS_SYS(sys_getpeername , 3)
1170 MIPS_SYS(sys_getsockname , 3)
1171 MIPS_SYS(sys_getsockopt , 5)
1172 MIPS_SYS(sys_listen , 2)
1173 MIPS_SYS(sys_recv , 4) /* 4175 */
1174 MIPS_SYS(sys_recvfrom , 6)
1175 MIPS_SYS(sys_recvmsg , 3)
1176 MIPS_SYS(sys_send , 4)
1177 MIPS_SYS(sys_sendmsg , 3)
1178 MIPS_SYS(sys_sendto , 6) /* 4180 */
1179 MIPS_SYS(sys_setsockopt , 5)
1180 MIPS_SYS(sys_shutdown , 2)
1181 MIPS_SYS(sys_socket , 3)
1182 MIPS_SYS(sys_socketpair , 4)
1183 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1184 MIPS_SYS(sys_getresuid , 3)
1185 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1186 MIPS_SYS(sys_poll , 3)
1187 MIPS_SYS(sys_nfsservctl , 3)
1188 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1189 MIPS_SYS(sys_getresgid , 3)
1190 MIPS_SYS(sys_prctl , 5)
1191 MIPS_SYS(sys_rt_sigreturn, 0)
1192 MIPS_SYS(sys_rt_sigaction, 4)
1193 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1194 MIPS_SYS(sys_rt_sigpending, 2)
1195 MIPS_SYS(sys_rt_sigtimedwait, 4)
1196 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1197 MIPS_SYS(sys_rt_sigsuspend, 0)
1198 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1199 MIPS_SYS(sys_pwrite64 , 6)
1200 MIPS_SYS(sys_chown , 3)
1201 MIPS_SYS(sys_getcwd , 2)
1202 MIPS_SYS(sys_capget , 2)
1203 MIPS_SYS(sys_capset , 2) /* 4205 */
1204 MIPS_SYS(sys_sigaltstack , 0)
1205 MIPS_SYS(sys_sendfile , 4)
1206 MIPS_SYS(sys_ni_syscall , 0)
1207 MIPS_SYS(sys_ni_syscall , 0)
1208 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1209 MIPS_SYS(sys_truncate64 , 4)
1210 MIPS_SYS(sys_ftruncate64 , 4)
1211 MIPS_SYS(sys_stat64 , 2)
1212 MIPS_SYS(sys_lstat64 , 2)
1213 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1214 MIPS_SYS(sys_pivot_root , 2)
1215 MIPS_SYS(sys_mincore , 3)
1216 MIPS_SYS(sys_madvise , 3)
1217 MIPS_SYS(sys_getdents64 , 3)
1218 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1219 MIPS_SYS(sys_ni_syscall , 0)
1220 MIPS_SYS(sys_gettid , 0)
1221 MIPS_SYS(sys_readahead , 5)
1222 MIPS_SYS(sys_setxattr , 5)
1223 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1224 MIPS_SYS(sys_fsetxattr , 5)
1225 MIPS_SYS(sys_getxattr , 4)
1226 MIPS_SYS(sys_lgetxattr , 4)
1227 MIPS_SYS(sys_fgetxattr , 4)
1228 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1229 MIPS_SYS(sys_llistxattr , 3)
1230 MIPS_SYS(sys_flistxattr , 3)
1231 MIPS_SYS(sys_removexattr , 2)
1232 MIPS_SYS(sys_lremovexattr, 2)
1233 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1234 MIPS_SYS(sys_tkill , 2)
1235 MIPS_SYS(sys_sendfile64 , 5)
1236 MIPS_SYS(sys_futex , 2)
1237 MIPS_SYS(sys_sched_setaffinity, 3)
1238 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1239 MIPS_SYS(sys_io_setup , 2)
1240 MIPS_SYS(sys_io_destroy , 1)
1241 MIPS_SYS(sys_io_getevents, 5)
1242 MIPS_SYS(sys_io_submit , 3)
1243 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1244 MIPS_SYS(sys_exit_group , 1)
1245 MIPS_SYS(sys_lookup_dcookie, 3)
1246 MIPS_SYS(sys_epoll_create, 1)
1247 MIPS_SYS(sys_epoll_ctl , 4)
1248 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1249 MIPS_SYS(sys_remap_file_pages, 5)
1250 MIPS_SYS(sys_set_tid_address, 1)
1251 MIPS_SYS(sys_restart_syscall, 0)
1252 MIPS_SYS(sys_fadvise64_64, 7)
1253 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1254 MIPS_SYS(sys_fstatfs64 , 2)
1255 MIPS_SYS(sys_timer_create, 3)
1256 MIPS_SYS(sys_timer_settime, 4)
1257 MIPS_SYS(sys_timer_gettime, 2)
1258 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1259 MIPS_SYS(sys_timer_delete, 1)
1260 MIPS_SYS(sys_clock_settime, 2)
1261 MIPS_SYS(sys_clock_gettime, 2)
1262 MIPS_SYS(sys_clock_getres, 2)
1263 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1264 MIPS_SYS(sys_tgkill , 3)
1265 MIPS_SYS(sys_utimes , 2)
1266 MIPS_SYS(sys_mbind , 4)
1267 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1268 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1269 MIPS_SYS(sys_mq_open , 4)
1270 MIPS_SYS(sys_mq_unlink , 1)
1271 MIPS_SYS(sys_mq_timedsend, 5)
1272 MIPS_SYS(sys_mq_timedreceive, 5)
1273 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1274 MIPS_SYS(sys_mq_getsetattr, 3)
1275 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1276 MIPS_SYS(sys_waitid , 4)
1277 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1278 MIPS_SYS(sys_add_key , 5)
1279 MIPS_SYS(sys_request_key , 4)
1280 MIPS_SYS(sys_keyctl , 5)
1285 void cpu_loop(CPUMIPSState *env)
1287 target_siginfo_t info;
1288 int trapnr, ret, nb_args;
1289 unsigned int syscall_num;
1290 target_ulong arg5, arg6, sp_reg;
1293 trapnr = cpu_mips_exec(env);
1297 syscall_num = env->gpr[2] - 4000;
1298 if (syscall_num >= sizeof(mips_syscall_args)) {
1301 nb_args = mips_syscall_args[syscall_num];
1303 sp_reg = env->gpr[29];
1304 /* these arguments are taken from the stack */
1305 if (get_user(arg5, (target_ulong *)(sp_reg + 16))) {
1310 if (get_user(arg6, (target_ulong *)(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 if (get_user(insn, (uint32_t *)env->PC) < 0)
1351 // printf("insn=%08x op=%02x\n", insn, op);
1352 /* XXX: totally dummy FP ops just to be able to launch
1353 a few executables */
1355 case 0x31: /* LWC1 */
1358 case 0x39: /* SWC1 */
1362 switch((insn >> 21) & 0x1f) {
1363 case 0x02: /* CFC1 */
1372 info.si_signo = TARGET_SIGILL;
1375 queue_signal(info.si_signo, &info);
1382 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
1384 cpu_dump_state(env, stderr, fprintf, 0);
1387 process_pending_signals(env);
1394 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
1395 "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n"
1396 "Linux CPU emulator (compiled for %s emulation)\n"
1398 "-h print this help\n"
1399 "-g port wait gdb connection to port\n"
1400 "-L path set the elf interpreter prefix (default=%s)\n"
1401 "-s size set the stack size in bytes (default=%ld)\n"
1404 #ifdef USE_CODE_COPY
1405 "-no-code-copy disable code copy acceleration\n"
1407 "-d options activate log (logfile=%s)\n"
1408 "-p pagesize set the host page size to 'pagesize'\n",
1416 /* XXX: currently only used for async signals (see signal.c) */
1417 CPUState *global_env;
1419 /* used to free thread contexts */
1420 TaskState *first_task_state;
1422 int main(int argc, char **argv)
1424 const char *filename;
1425 struct target_pt_regs regs1, *regs = ®s1;
1426 struct image_info info1, *info = &info1;
1427 TaskState ts1, *ts = &ts1;
1431 int gdbstub_port = 0;
1437 cpu_set_log_filename(DEBUG_LOGFILE);
1448 if (!strcmp(r, "-")) {
1450 } else if (!strcmp(r, "d")) {
1458 mask = cpu_str_to_log_mask(r);
1460 printf("Log items (comma separated):\n");
1461 for(item = cpu_log_items; item->mask != 0; item++) {
1462 printf("%-10s %s\n", item->name, item->help);
1467 } else if (!strcmp(r, "s")) {
1469 x86_stack_size = strtol(r, (char **)&r, 0);
1470 if (x86_stack_size <= 0)
1473 x86_stack_size *= 1024 * 1024;
1474 else if (*r == 'k' || *r == 'K')
1475 x86_stack_size *= 1024;
1476 } else if (!strcmp(r, "L")) {
1477 interp_prefix = argv[optind++];
1478 } else if (!strcmp(r, "p")) {
1479 qemu_host_page_size = atoi(argv[optind++]);
1480 if (qemu_host_page_size == 0 ||
1481 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
1482 fprintf(stderr, "page size must be a power of two\n");
1485 } else if (!strcmp(r, "g")) {
1486 gdbstub_port = atoi(argv[optind++]);
1488 #ifdef USE_CODE_COPY
1489 if (!strcmp(r, "no-code-copy")) {
1490 code_copy_enabled = 0;
1499 filename = argv[optind];
1502 memset(regs, 0, sizeof(struct target_pt_regs));
1504 /* Zero out image_info */
1505 memset(info, 0, sizeof(struct image_info));
1507 /* Scan interp_prefix dir for replacement files. */
1508 init_paths(interp_prefix);
1510 /* NOTE: we need to init the CPU at this stage to get
1511 qemu_host_page_size */
1515 if (elf_exec(filename, argv+optind, environ, regs, info) != 0) {
1516 printf("Error loading %s\n", filename);
1523 fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
1524 fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
1525 fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
1526 fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
1527 fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
1528 fprintf(logfile, "brk 0x%08lx\n" , info->brk);
1529 fprintf(logfile, "entry 0x%08lx\n" , info->entry);
1532 target_set_brk((char *)info->brk);
1536 /* build Task State */
1537 memset(ts, 0, sizeof(TaskState));
1540 env->user_mode_only = 1;
1542 #if defined(TARGET_I386)
1543 cpu_x86_set_cpl(env, 3);
1545 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
1546 env->hflags |= HF_PE_MASK;
1547 if (env->cpuid_features & CPUID_SSE) {
1548 env->cr[4] |= CR4_OSFXSR_MASK;
1549 env->hflags |= HF_OSFXSR_MASK;
1552 /* flags setup : we activate the IRQs by default as in user mode */
1553 env->eflags |= IF_MASK;
1555 /* linux register setup */
1556 env->regs[R_EAX] = regs->eax;
1557 env->regs[R_EBX] = regs->ebx;
1558 env->regs[R_ECX] = regs->ecx;
1559 env->regs[R_EDX] = regs->edx;
1560 env->regs[R_ESI] = regs->esi;
1561 env->regs[R_EDI] = regs->edi;
1562 env->regs[R_EBP] = regs->ebp;
1563 env->regs[R_ESP] = regs->esp;
1564 env->eip = regs->eip;
1566 /* linux interrupt setup */
1567 env->idt.base = (long)idt_table;
1568 env->idt.limit = sizeof(idt_table) - 1;
1591 /* linux segment setup */
1592 env->gdt.base = (long)gdt_table;
1593 env->gdt.limit = sizeof(gdt_table) - 1;
1594 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
1595 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1596 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
1597 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
1598 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
1599 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
1600 cpu_x86_load_seg(env, R_CS, __USER_CS);
1601 cpu_x86_load_seg(env, R_DS, __USER_DS);
1602 cpu_x86_load_seg(env, R_ES, __USER_DS);
1603 cpu_x86_load_seg(env, R_SS, __USER_DS);
1604 cpu_x86_load_seg(env, R_FS, __USER_DS);
1605 cpu_x86_load_seg(env, R_GS, __USER_DS);
1607 #elif defined(TARGET_ARM)
1610 cpsr_write(env, regs->uregs[16], 0xffffffff);
1611 for(i = 0; i < 16; i++) {
1612 env->regs[i] = regs->uregs[i];
1614 ts->stack_base = info->start_stack;
1615 ts->heap_base = info->brk;
1616 /* This will be filled in on the first SYS_HEAPINFO call. */
1619 #elif defined(TARGET_SPARC)
1623 env->npc = regs->npc;
1625 for(i = 0; i < 8; i++)
1626 env->gregs[i] = regs->u_regs[i];
1627 for(i = 0; i < 8; i++)
1628 env->regwptr[i] = regs->u_regs[i + 8];
1630 #elif defined(TARGET_PPC)
1635 /* Choose and initialise CPU */
1636 /* XXX: CPU model (or PVR) should be provided on command line */
1637 // ppc_find_by_name("750gx", &def);
1638 // ppc_find_by_name("750fx", &def);
1639 // ppc_find_by_name("750p", &def);
1640 ppc_find_by_name("750", &def);
1641 // ppc_find_by_name("G3", &def);
1642 // ppc_find_by_name("604r", &def);
1643 // ppc_find_by_name("604e", &def);
1644 // ppc_find_by_name("604", &def);
1647 "Unable to find PowerPC CPU definition\n");
1649 cpu_ppc_register(env, def);
1651 for (i = 0; i < 32; i++) {
1652 if (i != 12 && i != 6 && i != 13)
1653 env->msr[i] = (regs->msr >> i) & 1;
1655 env->nip = regs->nip;
1656 for(i = 0; i < 32; i++) {
1657 env->gpr[i] = regs->gpr[i];
1660 #elif defined(TARGET_MIPS)
1664 for(i = 0; i < 32; i++) {
1665 env->gpr[i] = regs->regs[i];
1667 env->PC = regs->cp0_epc;
1670 #error unsupported target CPU
1674 gdbserver_start (gdbstub_port);
1675 gdb_handlesig(env, 0);