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minimal PCI IDE save/restore 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2117 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-08-17 10:48:35 +00:00
parent e6cf6a8c7d
commit c3d78997a3
1 changed files with 113 additions and 0 deletions
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113
hw/ide.c
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@ -2409,6 +2409,117 @@ void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table,
cmd646_set_irq, d, 1);
}
static void pci_ide_save(QEMUFile* f, void *opaque)
{
PCIIDEState *d = opaque;
int i;
pci_device_save(&d->dev, f);
for(i = 0; i < 2; i++) {
BMDMAState *bm = &d->bmdma[i];
qemu_put_8s(f, &bm->cmd);
qemu_put_8s(f, &bm->status);
qemu_put_be32s(f, &bm->addr);
/* XXX: if a transfer is pending, we do not save it yet */
}
/* per IDE interface data */
for(i = 0; i < 2; i++) {
IDEState *s = &d->ide_if[i * 2];
uint8_t drive1_selected;
qemu_put_8s(f, &s->cmd);
drive1_selected = (s->cur_drive != s);
qemu_put_8s(f, &drive1_selected);
}
/* per IDE drive data */
for(i = 0; i < 4; i++) {
IDEState *s = &d->ide_if[i];
qemu_put_be32s(f, &s->mult_sectors);
qemu_put_be32s(f, &s->identify_set);
if (s->identify_set) {
qemu_put_buffer(f, (const uint8_t *)s->identify_data, 512);
}
qemu_put_8s(f, &s->feature);
qemu_put_8s(f, &s->error);
qemu_put_be32s(f, &s->nsector);
qemu_put_8s(f, &s->sector);
qemu_put_8s(f, &s->lcyl);
qemu_put_8s(f, &s->hcyl);
qemu_put_8s(f, &s->hob_feature);
qemu_put_8s(f, &s->hob_nsector);
qemu_put_8s(f, &s->hob_sector);
qemu_put_8s(f, &s->hob_lcyl);
qemu_put_8s(f, &s->hob_hcyl);
qemu_put_8s(f, &s->select);
qemu_put_8s(f, &s->status);
qemu_put_8s(f, &s->lba48);
qemu_put_8s(f, &s->sense_key);
qemu_put_8s(f, &s->asc);
/* XXX: if a transfer is pending, we do not save it yet */
}
}
static int pci_ide_load(QEMUFile* f, void *opaque, int version_id)
{
PCIIDEState *d = opaque;
int ret, i;
if (version_id != 1)
return -EINVAL;
ret = pci_device_load(&d->dev, f);
if (ret < 0)
return ret;
for(i = 0; i < 2; i++) {
BMDMAState *bm = &d->bmdma[i];
qemu_get_8s(f, &bm->cmd);
qemu_get_8s(f, &bm->status);
qemu_get_be32s(f, &bm->addr);
/* XXX: if a transfer is pending, we do not save it yet */
}
/* per IDE interface data */
for(i = 0; i < 2; i++) {
IDEState *s = &d->ide_if[i * 2];
uint8_t drive1_selected;
qemu_get_8s(f, &s->cmd);
qemu_get_8s(f, &drive1_selected);
s->cur_drive = &d->ide_if[i * 2 + (drive1_selected != 0)];
}
/* per IDE drive data */
for(i = 0; i < 4; i++) {
IDEState *s = &d->ide_if[i];
qemu_get_be32s(f, &s->mult_sectors);
qemu_get_be32s(f, &s->identify_set);
if (s->identify_set) {
qemu_get_buffer(f, (uint8_t *)s->identify_data, 512);
}
qemu_get_8s(f, &s->feature);
qemu_get_8s(f, &s->error);
qemu_get_be32s(f, &s->nsector);
qemu_get_8s(f, &s->sector);
qemu_get_8s(f, &s->lcyl);
qemu_get_8s(f, &s->hcyl);
qemu_get_8s(f, &s->hob_feature);
qemu_get_8s(f, &s->hob_nsector);
qemu_get_8s(f, &s->hob_sector);
qemu_get_8s(f, &s->hob_lcyl);
qemu_get_8s(f, &s->hob_hcyl);
qemu_get_8s(f, &s->select);
qemu_get_8s(f, &s->status);
qemu_get_8s(f, &s->lba48);
qemu_get_8s(f, &s->sense_key);
qemu_get_8s(f, &s->asc);
/* XXX: if a transfer is pending, we do not save it yet */
}
return 0;
}
/* hd_table must contain 4 block drivers */
/* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */
void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn)
@ -2442,6 +2553,8 @@ void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn)
pic_set_irq_new, isa_pic, 15);
ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6);
ide_init_ioport(&d->ide_if[2], 0x170, 0x376);
register_savevm("ide", 0, 1, pci_ide_save, pci_ide_load, d);
}
/***********************************************************/