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vmstate: port dma device

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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 2009-09-10 03:04:39 +02:00 committed by Anthony Liguori
parent 632cf0730c
commit 7b5045c555
1 changed files with 34 additions and 51 deletions
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85
hw/dma.c
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@ -500,71 +500,54 @@ static void dma_init2(struct dma_cont *d, int base, int dshift,
}
}
static void dma_save (QEMUFile *f, void *opaque)
{
struct dma_cont *d = opaque;
int i;
/* qemu_put_8s (f, &d->status); */
qemu_put_8s (f, &d->command);
qemu_put_8s (f, &d->mask);
qemu_put_8s (f, &d->flip_flop);
qemu_put_be32 (f, d->dshift);
for (i = 0; i < 4; ++i) {
struct dma_regs *r = &d->regs[i];
qemu_put_be32 (f, r->now[0]);
qemu_put_be32 (f, r->now[1]);
qemu_put_be16s (f, &r->base[0]);
qemu_put_be16s (f, &r->base[1]);
qemu_put_8s (f, &r->mode);
qemu_put_8s (f, &r->page);
qemu_put_8s (f, &r->pageh);
qemu_put_8s (f, &r->dack);
qemu_put_8s (f, &r->eop);
static const VMStateDescription vmstate_dma_regs = {
.name = "dma_regs",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.fields = (VMStateField []) {
VMSTATE_INT32_ARRAY(now, struct dma_regs, 2),
VMSTATE_UINT16_ARRAY(base, struct dma_regs, 2),
VMSTATE_UINT8(mode, struct dma_regs),
VMSTATE_UINT8(page, struct dma_regs),
VMSTATE_UINT8(pageh, struct dma_regs),
VMSTATE_UINT8(dack, struct dma_regs),
VMSTATE_UINT8(eop, struct dma_regs),
VMSTATE_END_OF_LIST()
}
}
};
static int dma_load (QEMUFile *f, void *opaque, int version_id)
static int dma_post_load(void *opaque)
{
struct dma_cont *d = opaque;
int i;
if (version_id != 1)
return -EINVAL;
/* qemu_get_8s (f, &d->status); */
qemu_get_8s (f, &d->command);
qemu_get_8s (f, &d->mask);
qemu_get_8s (f, &d->flip_flop);
d->dshift=qemu_get_be32 (f);
for (i = 0; i < 4; ++i) {
struct dma_regs *r = &d->regs[i];
r->now[0]=qemu_get_be32 (f);
r->now[1]=qemu_get_be32 (f);
qemu_get_be16s (f, &r->base[0]);
qemu_get_be16s (f, &r->base[1]);
qemu_get_8s (f, &r->mode);
qemu_get_8s (f, &r->page);
qemu_get_8s (f, &r->pageh);
qemu_get_8s (f, &r->dack);
qemu_get_8s (f, &r->eop);
}
DMA_run();
return 0;
}
static const VMStateDescription vmstate_dma = {
.name = "dma",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.post_load = dma_post_load,
.fields = (VMStateField []) {
VMSTATE_UINT8(command, struct dma_cont),
VMSTATE_UINT8(mask, struct dma_cont),
VMSTATE_UINT8(flip_flop, struct dma_cont),
VMSTATE_INT32(dshift, struct dma_cont),
VMSTATE_STRUCT_ARRAY(regs, struct dma_cont, 4, 1, vmstate_dma_regs, struct dma_regs),
VMSTATE_END_OF_LIST()
}
};
void DMA_init (int high_page_enable)
{
dma_init2(&dma_controllers[0], 0x00, 0, 0x80,
high_page_enable ? 0x480 : -1);
dma_init2(&dma_controllers[1], 0xc0, 1, 0x88,
high_page_enable ? 0x488 : -1);
register_savevm ("dma", 0, 1, dma_save, dma_load, &dma_controllers[0]);
register_savevm ("dma", 1, 1, dma_save, dma_load, &dma_controllers[1]);
vmstate_register (0, &vmstate_dma, &dma_controllers[0]);
vmstate_register (1, &vmstate_dma, &dma_controllers[1]);
dma_bh = qemu_bh_new(DMA_run_bh, NULL);
}