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authorJuan Quintela <quintela@redhat.com>2009-09-10 03:04:37 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2009-09-11 11:10:06 -0500
commitd7a6c2703577d51468a9247b70dd8d1917c9696a (patch)
treebe0d10e97b6d9838c87eec9e64f20bb630bc2e29 /hw/fdc.c
parent80cd83e7b2e27de82939378f5b4eaa4108f4da81 (diff)
vmstate: port fdc device
We can't move fifo back to an embeded array because it needs to be aligned Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/fdc.c')
-rw-r--r--hw/fdc.c154
1 files changed, 62 insertions, 92 deletions
diff --git a/hw/fdc.c b/hw/fdc.c
index 84b181d1d8..389d9e6a01 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -481,6 +481,7 @@ struct fdctrl_t {
uint8_t sra;
uint8_t srb;
uint8_t dor;
+ uint8_t dor_vmstate; /* only used as temp during vmstate */
uint8_t tdr;
uint8_t dsr;
uint8_t msr;
@@ -490,6 +491,7 @@ struct fdctrl_t {
uint8_t status2;
/* Command FIFO */
uint8_t *fifo;
+ int32_t fifo_size;
uint32_t data_pos;
uint32_t data_len;
uint8_t data_state;
@@ -508,6 +510,7 @@ struct fdctrl_t {
/* Sun4m quirks? */
int sun4m;
/* Floppy drives */
+ uint8_t num_floppies;
fdrive_t drives[MAX_FD];
int reset_sensei;
};
@@ -627,108 +630,73 @@ static CPUWriteMemoryFunc * const fdctrl_mem_write_strict[3] = {
NULL,
};
-static void fd_save (QEMUFile *f, fdrive_t *fd)
-{
- qemu_put_8s(f, &fd->head);
- qemu_put_8s(f, &fd->track);
- qemu_put_8s(f, &fd->sect);
-}
+static const VMStateDescription vmstate_fdrive = {
+ .name = "fdrive",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT8(head, fdrive_t),
+ VMSTATE_UINT8(track, fdrive_t),
+ VMSTATE_UINT8(sect, fdrive_t),
+ VMSTATE_END_OF_LIST()
+ }
+};
-static void fdc_save (QEMUFile *f, void *opaque)
+static void fdc_pre_save(const void *opaque)
{
- fdctrl_t *s = opaque;
- uint8_t tmp;
- int i;
- uint8_t dor = s->dor | GET_CUR_DRV(s);
+ fdctrl_t *s = (void *)opaque;
- /* Controller state */
- qemu_put_8s(f, &s->sra);
- qemu_put_8s(f, &s->srb);
- qemu_put_8s(f, &dor);
- qemu_put_8s(f, &s->tdr);
- qemu_put_8s(f, &s->dsr);
- qemu_put_8s(f, &s->msr);
- qemu_put_8s(f, &s->status0);
- qemu_put_8s(f, &s->status1);
- qemu_put_8s(f, &s->status2);
- /* Command FIFO */
- qemu_put_buffer(f, s->fifo, FD_SECTOR_LEN);
- qemu_put_be32s(f, &s->data_pos);
- qemu_put_be32s(f, &s->data_len);
- qemu_put_8s(f, &s->data_state);
- qemu_put_8s(f, &s->data_dir);
- qemu_put_8s(f, &s->eot);
- /* States kept only to be returned back */
- qemu_put_8s(f, &s->timer0);
- qemu_put_8s(f, &s->timer1);
- qemu_put_8s(f, &s->precomp_trk);
- qemu_put_8s(f, &s->config);
- qemu_put_8s(f, &s->lock);
- qemu_put_8s(f, &s->pwrd);
-
- tmp = MAX_FD;
- qemu_put_8s(f, &tmp);
- for (i = 0; i < MAX_FD; i++)
- fd_save(f, &s->drives[i]);
+ s->dor_vmstate = s->dor | GET_CUR_DRV(s);
}
-static int fd_load (QEMUFile *f, fdrive_t *fd)
+static int fdc_post_load(void *opaque)
{
- qemu_get_8s(f, &fd->head);
- qemu_get_8s(f, &fd->track);
- qemu_get_8s(f, &fd->sect);
+ fdctrl_t *s = opaque;
+ SET_CUR_DRV(s, s->dor_vmstate & FD_DOR_SELMASK);
+ s->dor = s->dor_vmstate & ~FD_DOR_SELMASK;
return 0;
}
-static int fdc_load (QEMUFile *f, void *opaque, int version_id)
-{
- fdctrl_t *s = opaque;
- int i, ret = 0;
- uint8_t n;
-
- if (version_id != 2)
- return -EINVAL;
-
- /* Controller state */
- qemu_get_8s(f, &s->sra);
- qemu_get_8s(f, &s->srb);
- qemu_get_8s(f, &s->dor);
- SET_CUR_DRV(s, s->dor & FD_DOR_SELMASK);
- s->dor &= ~FD_DOR_SELMASK;
- qemu_get_8s(f, &s->tdr);
- qemu_get_8s(f, &s->dsr);
- qemu_get_8s(f, &s->msr);
- qemu_get_8s(f, &s->status0);
- qemu_get_8s(f, &s->status1);
- qemu_get_8s(f, &s->status2);
- /* Command FIFO */
- qemu_get_buffer(f, s->fifo, FD_SECTOR_LEN);
- qemu_get_be32s(f, &s->data_pos);
- qemu_get_be32s(f, &s->data_len);
- qemu_get_8s(f, &s->data_state);
- qemu_get_8s(f, &s->data_dir);
- qemu_get_8s(f, &s->eot);
- /* States kept only to be returned back */
- qemu_get_8s(f, &s->timer0);
- qemu_get_8s(f, &s->timer1);
- qemu_get_8s(f, &s->precomp_trk);
- qemu_get_8s(f, &s->config);
- qemu_get_8s(f, &s->lock);
- qemu_get_8s(f, &s->pwrd);
- qemu_get_8s(f, &n);
-
- if (n > MAX_FD)
- return -EINVAL;
-
- for (i = 0; i < n; i++) {
- ret = fd_load(f, &s->drives[i]);
- if (ret != 0)
- break;
+static const VMStateDescription vmstate_fdc = {
+ .name = "fdc",
+ .version_id = 2,
+ .minimum_version_id = 2,
+ .minimum_version_id_old = 2,
+ .pre_save = fdc_pre_save,
+ .post_load = fdc_post_load,
+ .fields = (VMStateField []) {
+ /* Controller State */
+ VMSTATE_UINT8(sra, fdctrl_t),
+ VMSTATE_UINT8(srb, fdctrl_t),
+ VMSTATE_UINT8(dor_vmstate, fdctrl_t),
+ VMSTATE_UINT8(tdr, fdctrl_t),
+ VMSTATE_UINT8(dsr, fdctrl_t),
+ VMSTATE_UINT8(msr, fdctrl_t),
+ VMSTATE_UINT8(status0, fdctrl_t),
+ VMSTATE_UINT8(status1, fdctrl_t),
+ VMSTATE_UINT8(status2, fdctrl_t),
+ /* Command FIFO */
+ VMSTATE_VARRAY(fifo, fdctrl_t, fifo_size, 0, vmstate_info_uint8, uint8),
+ VMSTATE_UINT32(data_pos, fdctrl_t),
+ VMSTATE_UINT32(data_len, fdctrl_t),
+ VMSTATE_UINT8(data_state, fdctrl_t),
+ VMSTATE_UINT8(data_dir, fdctrl_t),
+ VMSTATE_UINT8(eot, fdctrl_t),
+ /* States kept only to be returned back */
+ VMSTATE_UINT8(timer0, fdctrl_t),
+ VMSTATE_UINT8(timer1, fdctrl_t),
+ VMSTATE_UINT8(precomp_trk, fdctrl_t),
+ VMSTATE_UINT8(config, fdctrl_t),
+ VMSTATE_UINT8(lock, fdctrl_t),
+ VMSTATE_UINT8(pwrd, fdctrl_t),
+ VMSTATE_UINT8_EQUAL(num_floppies, fdctrl_t),
+ VMSTATE_STRUCT_ARRAY(drives, fdctrl_t, MAX_FD, 1,
+ vmstate_fdrive, fdrive_t),
+ VMSTATE_END_OF_LIST()
}
-
- return ret;
-}
+};
static void fdctrl_external_reset(void *opaque)
{
@@ -1951,14 +1919,16 @@ static int fdctrl_init_common(fdctrl_t *fdctrl)
FLOPPY_DPRINTF("init controller\n");
fdctrl->fifo = qemu_memalign(512, FD_SECTOR_LEN);
+ fdctrl->fifo_size = 512;
fdctrl->result_timer = qemu_new_timer(vm_clock,
fdctrl_result_timer, fdctrl);
fdctrl->version = 0x90; /* Intel 82078 controller */
fdctrl->config = FD_CONFIG_EIS | FD_CONFIG_EFIFO; /* Implicit seek, polling & FIFO enabled */
+ fdctrl->num_floppies = MAX_FD;
fdctrl_external_reset(fdctrl);
- register_savevm("fdc", -1, 2, fdc_save, fdc_load, fdctrl);
+ vmstate_register(-1, &vmstate_fdc, fdctrl);
qemu_register_reset(fdctrl_external_reset, fdctrl);
return 0;
}