Commit 5b5ef0db authored by malc's avatar malc
Browse files

Add VM save/load support 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4767 c046a42c-6fe2-441c-8c8c-71466251a162
parent 279a6544

hw/gus.c

+36 −0
Original line number Diff line number Diff line
@@ -220,6 +220,40 @@ int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) 
    return dma_len;

}



static void GUS_save (QEMUFile *f, void *opaque)

{

    int32_t val;

    GUSState *s = opaque;



    val = s->freq;    qemu_put_be32s (f, &val);

    val = s->pos;     qemu_put_be32s (f, &val);

    val = s->left;    qemu_put_be32s (f, &val);

    val = s->shift;   qemu_put_be32s (f, &val);

    val = s->irqs;    qemu_put_be32s (f, &val);

    val = s->samples; qemu_put_be32s (f, &val);

    qemu_put_be64s (f, &s->last_ticks);

    qemu_put_buffer (f, s->himem, sizeof (s->himem));

}



static int GUS_load (QEMUFile *f, void *opaque, int version_id)

{

    int32_t val;

    GUSState *s = opaque;



    if (version_id != 1)

        return -EINVAL;



    qemu_get_be32s (f, &val); s->freq = val;

    qemu_get_be32s (f, &val); s->pos = val;

    qemu_get_be32s (f, &val); s->left = val;

    qemu_get_be32s (f, &val); s->shift = val;

    qemu_get_be32s (f, &val); s->irqs = val;

    qemu_get_be32s (f, &val); s->samples = val;

    qemu_get_be64s (f, &s->last_ticks);

    qemu_get_buffer (f, s->himem, sizeof (s->himem));

    return 0;

}



int GUS_init (AudioState *audio, qemu_irq *pic)

{

    GUSState *s;
@@ -296,5 +330,7 @@ int GUS_init (AudioState *audio, qemu_irq *pic) 
    s->pic = pic;



    AUD_set_active_out (s->voice, 1);



    register_savevm ("gus", 0, 1, GUS_save, GUS_load, s);

    return 0;

}