haraldwolff/qemu-patch-raspberry4
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Add VM save/load support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4767 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
malc 2008-06-21 17:14:54 +00:00
parent 279a65442e
commit 5b5ef0db74
1 changed files with 36 additions and 0 deletions
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36
hw/gus.c
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@ -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;
}