+#endif
+
+#ifdef TARGET_ARM
+
+#define ARM_SYSCALL_BASE 0x900000
+
+void cpu_loop(CPUARMState *env)
+{
+ int trapnr;
+ unsigned int n, insn;
+ target_siginfo_t info;
+
+ for(;;) {
+ trapnr = cpu_arm_exec(env);
+ switch(trapnr) {
+ case EXCP_UDEF:
+ info.si_signo = SIGILL;
+ info.si_errno = 0;
+ info.si_code = TARGET_ILL_ILLOPN;
+ info._sifields._sigfault._addr = env->regs[15];
+ queue_signal(info.si_signo, &info);
+ break;
+ case EXCP_SWI:
+ {
+ /* system call */
+ insn = ldl((void *)(env->regs[15] - 4));
+ n = insn & 0xffffff;
+ if (n >= ARM_SYSCALL_BASE) {
+ /* linux syscall */
+ n -= ARM_SYSCALL_BASE;
+ env->regs[0] = do_syscall(env,
+ n,
+ env->regs[0],
+ env->regs[1],
+ env->regs[2],
+ env->regs[3],
+ env->regs[4],
+ 0);
+ } else {
+ goto error;
+ }
+ }
+ break;
+ default:
+ error:
+ fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
+ trapnr);
+ cpu_arm_dump_state(env, stderr, 0);
+ abort();
+ }
+ process_pending_signals(env);
+ }
+}
+
+#endif