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c4231a: port to vmstate

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Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-12-02 11:49:37 +01:00 committed by Anthony Liguori
parent 3a14c2df4f
commit 1d190d5ce7
1 changed files with 36 additions and 34 deletions
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70
hw/cs4231a.c
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@ -596,45 +596,47 @@ static int cs_dma_read (void *opaque, int nchan, int dma_pos, int dma_len)
return dma_pos;
}
static void cs_save (QEMUFile *f, void *opaque)
static int cs4231a_pre_load (void *opaque)
{
CSState *s = opaque;
unsigned int i;
uint32_t val;
for (i = 0; i < CS_REGS; i++)
qemu_put_be32s (f, &s->regs[i]);
qemu_put_buffer (f, s->dregs, CS_DREGS);
val = s->dma_running; qemu_put_be32s (f, &val);
val = s->audio_free; qemu_put_be32s (f, &val);
val = s->transferred; qemu_put_be32s (f, &val);
val = s->aci_counter; qemu_put_be32s (f, &val);
}
static int cs_load (QEMUFile *f, void *opaque, int version_id)
{
CSState *s = opaque;
unsigned int i;
uint32_t val, dma_running;
if (version_id > 1)
return -EINVAL;
for (i = 0; i < CS_REGS; i++)
qemu_get_be32s (f, &s->regs[i]);
qemu_get_buffer (f, s->dregs, CS_DREGS);
qemu_get_be32s (f, &dma_running);
qemu_get_be32s (f, &val); s->audio_free = val;
qemu_get_be32s (f, &val); s->transferred = val;
qemu_get_be32s (f, &val); s->aci_counter = val;
if (dma_running && (s->dregs[Interface_Configuration] & PEN))
cs_reset_voices (s, s->dregs[FS_And_Playback_Data_Format]);
if (s->dma_running) {
DMA_release_DREQ (s->dma);
AUD_set_active_out (s->voice, 0);
}
s->dma_running = 0;
return 0;
}
static int cs4231a_post_load (void *opaque, int version_id)
{
CSState *s = opaque;
if (s->dma_running && (s->dregs[Interface_Configuration] & PEN)) {
s->dma_running = 0;
cs_reset_voices (s, s->dregs[FS_And_Playback_Data_Format]);
}
return 0;
}
static const VMStateDescription vmstate_cs4231a = {
.name = "cs4231a",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.pre_load = cs4231a_pre_load,
.post_load = cs4231a_post_load,
.fields = (VMStateField []) {
VMSTATE_UINT32_ARRAY(regs, CSState, CS_REGS),
VMSTATE_BUFFER(dregs, CSState),
VMSTATE_INT32(dma_running, CSState),
VMSTATE_INT32(audio_free, CSState),
VMSTATE_INT32(transferred, CSState),
VMSTATE_INT32(aci_counter, CSState),
VMSTATE_END_OF_LIST()
}
};
static int cs4231a_initfn (ISADevice *dev)
{
CSState *s = DO_UPCAST (CSState, dev, dev);
@ -649,7 +651,7 @@ static int cs4231a_initfn (ISADevice *dev)
DMA_register_channel (s->dma, cs_dma_read, s);
register_savevm ("cs4231a", 0, 1, cs_save, cs_load, s);
vmstate_register (0, &vmstate_cs4231a, s);
qemu_register_reset (cs_reset, s);
cs_reset (s);