Example #1
0
/* Initialisation routine */
void *ds1225y_init(target_phys_addr_t mem_base, const char *filename)
{
    ds1225y_t *s;
    int mem_indexRW, mem_indexRP;
    QEMUFile *file;

    s = qemu_mallocz(sizeof(ds1225y_t));
    s->chip_size = 0x2000; /* Fixed for ds1225y chip: 8 KiB */
    s->contents = qemu_mallocz(s->chip_size);
    s->protection = 7;

    /* Read current file */
    file = qemu_fopen(filename, "rb");
    if (file) {
        /* Read nvram contents */
        qemu_get_buffer(file, s->contents, s->chip_size);
        qemu_fclose(file);
    }
    s->file = qemu_fopen(filename, "wb");
    if (s->file) {
        /* Write back contents, as 'wb' mode cleaned the file */
        qemu_put_buffer(s->file, s->contents, s->chip_size);
        qemu_fflush(s->file);
    }

    /* Read/write memory */
    mem_indexRW = cpu_register_io_memory(nvram_read, nvram_write, s);
    cpu_register_physical_memory(mem_base, s->chip_size, mem_indexRW);
    /* Read/write protected memory */
    mem_indexRP = cpu_register_io_memory(nvram_read, nvram_write_protected, s);
    cpu_register_physical_memory(mem_base + s->chip_size, s->chip_size, mem_indexRP);
    return s;
}
Example #2
0
void do_savevm(const char *name)
{
    QEMUFile *f;
    int saved_vm_running, ret;

    f = qemu_fopen(name, "wb");
    
    /* ??? Should this occur after vm_stop?  */
    qemu_aio_flush();

    saved_vm_running = vm_running;
    vm_stop(0);

    if (!f) {
        fprintf(logfile, "Failed to open savevm file '%s'\n", name);
        goto the_end;
    }
    
    ret = qemu_savevm_state(f);
    qemu_fclose(f);

    if (ret < 0)
        fprintf(logfile, "Error %d while writing VM to savevm file '%s'\n",
                ret, name);

 the_end:
    if (saved_vm_running)
        vm_start();

    return;
}
Example #3
0
void qmp_dump_skeys(const char *filename, Error **errp)
{
    S390SKeysState *ss = s390_get_skeys_device();
    S390SKeysClass *skeyclass = S390_SKEYS_GET_CLASS(ss);
    const uint64_t total_count = ram_size / TARGET_PAGE_SIZE;
    uint64_t handled_count = 0, cur_count;
    Error *lerr = NULL;
    vaddr cur_gfn = 0;
    uint8_t *buf;
    int ret;
    QEMUFile *f;

    /* Quick check to see if guest is using storage keys*/
    if (!skeyclass->skeys_enabled(ss)) {
        error_setg(errp, "This guest is not using storage keys - "
                         "nothing to dump");
        return;
    }

    f = qemu_fopen(filename, "wb");
    if (!f) {
        error_setg_file_open(errp, errno, filename);
        return;
    }

    buf = g_try_malloc(S390_SKEYS_BUFFER_SIZE);
    if (!buf) {
        error_setg(errp, "Could not allocate memory");
        goto out;
    }

    /* we'll only dump initial memory for now */
    while (handled_count < total_count) {
        /* Calculate how many keys to ask for & handle overflow case */
        cur_count = MIN(total_count - handled_count, S390_SKEYS_BUFFER_SIZE);

        ret = skeyclass->get_skeys(ss, cur_gfn, cur_count, buf);
        if (ret < 0) {
            error_setg(errp, "get_keys error %d", ret);
            goto out_free;
        }

        /* write keys to stream */
        write_keys(f, buf, cur_gfn, cur_count, &lerr);
        if (lerr) {
            goto out_free;
        }

        cur_gfn += cur_count;
        handled_count += cur_count;
    }

out_free:
    error_propagate(errp, lerr);
    g_free(buf);
out:
    qemu_fclose(f);
}
Example #4
0
static int ds1225y_set_to_mode(ds1225y_t *NVRAM, nvram_open_mode mode, const char *filemode)
{
    if (NVRAM->open_mode != mode)
    {
        if (NVRAM->file)
            qemu_fclose(NVRAM->file);
        NVRAM->file = qemu_fopen(NVRAM->filename, filemode);
        NVRAM->open_mode = mode;
    }
    return (NVRAM->file != NULL);
}
Example #5
0
void do_loadvm(const char *name)
{
    QEMUFile *f;
    int saved_vm_running, ret;

    /* Flush all IO requests so they don't interfere with the new state.  */
    qemu_aio_flush();

    saved_vm_running = vm_running;
    vm_stop(0);

    /* restore the VM state */
    f = qemu_fopen(name, "rb");
    if (!f) {
        fprintf(logfile, "Could not open VM state file\n");
        goto the_end;
    }

    ret = qemu_loadvm_state(f);
    qemu_fclose(f);
    if (ret < 0) {
        fprintf(logfile, "Error %d while loading savevm file '%s'\n",
                ret, name);
        goto the_end; 
    }

#if 0 
    /* del tmp file */
    if (unlink(name) == -1)
        fprintf(stderr, "delete tmp qemu state file failed.\n");
#endif


 the_end:
    if (saved_vm_running)
        vm_start();
}
Example #6
0
int wav_start_capture (CaptureState *s, const char *path, int freq,
                       int bits, int nchannels)
{
    Monitor *mon = cur_mon;
    WAVState *wav;
    uint8_t hdr[] = {
        0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56,
        0x45, 0x66, 0x6d, 0x74, 0x20, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00,
        0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04,
        0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x00
    };
    struct audsettings as;
    struct audio_capture_ops ops;
    int stereo, bits16, shift;
    CaptureVoiceOut *cap;

    if (bits != 8 && bits != 16) {
        monitor_printf(mon, "incorrect bit count %d, must be 8 or 16\n", bits);
        return -1;
    }

    if (nchannels != 1 && nchannels != 2) {
        monitor_printf(mon, "incorrect channel count %d, must be 1 or 2\n",
                       nchannels);
        return -1;
    }

    stereo = nchannels == 2;
    bits16 = bits == 16;

    as.freq = freq;
    as.nchannels = 1 << stereo;
    as.fmt = bits16 ? AUD_FMT_S16 : AUD_FMT_U8;
    as.endianness = 0;

    ops.notify = wav_notify;
    ops.capture = wav_capture;
    ops.destroy = wav_destroy;

    wav = g_malloc0 (sizeof (*wav));

    shift = bits16 + stereo;
    hdr[34] = bits16 ? 0x10 : 0x08;

    le_store (hdr + 22, as.nchannels, 2);
    le_store (hdr + 24, freq, 4);
    le_store (hdr + 28, freq << shift, 4);
    le_store (hdr + 32, 1 << shift, 2);

    wav->f = qemu_fopen (path, "wb");
    if (!wav->f) {
        monitor_printf(mon, "Failed to open wave file `%s'\nReason: %s\n",
                       path, strerror (errno));
        g_free (wav);
        return -1;
    }

    wav->path = g_strdup (path);
    wav->bits = bits;
    wav->nchannels = nchannels;
    wav->freq = freq;

    qemu_put_buffer (wav->f, hdr, sizeof (hdr));

    cap = AUD_add_capture (&as, &ops, wav);
    if (!cap) {
        monitor_printf(mon, "Failed to add audio capture\n");
        g_free (wav->path);
        qemu_fclose (wav->f);
        g_free (wav);
        return -1;
    }

    wav->cap = cap;
    s->opaque = wav;
    s->ops = wav_capture_ops;
    return 0;
}