Archipelago » qemu

#elif defined(TARGET_SH4)

    flags = env->sr & (SR_MD | SR_RB);

    cs_base = 0;         /* XXXXX */

    pc = env->pc;

#elif defined(TARGET_SH4)

    /* XXXXX */

#elif defined(TARGET_SH4)

		    do_interrupt(env);

#elif defined(TARGET_SH4)

		    /* XXXXX */

#elif defined(TARGET_SH4)

		    cpu_dump_state(env, logfile, fprintf, 0);

#elif defined(TARGET_SH4)

    /* XXXXX */

#elif defined (TARGET_SH4)

static inline int handle_cpu_signal(unsigned long pc, unsigned long address,

                                    int is_write, sigset_t *old_set,

                                    void *puc)

{

    TranslationBlock *tb;

    int ret;

    if (cpu_single_env)

        env = cpu_single_env; /* XXX: find a correct solution for multithread */

#if defined(DEBUG_SIGNAL)

    printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n", 

           pc, address, is_write, *(unsigned long *)old_set);

#endif

    /* XXX: locking issue */

    if (is_write && page_unprotect(h2g(address), pc, puc)) {

        return 1;

    }

    /* see if it is an MMU fault */

    ret = cpu_sh4_handle_mmu_fault(env, address, is_write, 1, 0);

    if (ret < 0)

        return 0; /* not an MMU fault */

    if (ret == 0)

        return 1; /* the MMU fault was handled without causing real CPU fault */

    /* now we have a real cpu fault */

    tb = tb_find_pc(pc);

    if (tb) {

        /* the PC is inside the translated code. It means that we have

           a virtual CPU fault */

        cpu_restore_state(tb, env, pc, puc);

    }

    if (ret == 1) {

#if 0

        printf("PF exception: NIP=0x%08x error=0x%x %p\n", 

               env->nip, env->error_code, tb);

#endif

    /* we restore the process signal mask as the sigreturn should

       do it (XXX: use sigsetjmp) */

        sigprocmask(SIG_SETMASK, old_set, NULL);

        //        do_raise_exception_err(env->exception_index, env->error_code);

    } else {

        /* activate soft MMU for this block */

        cpu_resume_from_signal(env, puc);

    }

    /* never comes here */

    return 1;

}