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use bdrv_media_changed()

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2122 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-08-19 11:43:22 +00:00
parent 83acc96b23
commit ea185bbda7
1 changed files with 14 additions and 24 deletions
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38
hw/fdc.c
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@ -66,7 +66,6 @@ typedef enum fdrive_type_t {
typedef enum fdrive_flags_t { typedef enum fdrive_flags_t {
FDRIVE_MOTOR_ON = 0x01, /* motor on/off */ FDRIVE_MOTOR_ON = 0x01, /* motor on/off */
FDRIVE_REVALIDATE = 0x02, /* Revalidated */
} fdrive_flags_t; } fdrive_flags_t;
typedef enum fdisk_flags_t { typedef enum fdisk_flags_t {
@ -236,7 +235,6 @@ static void fd_revalidate (fdrive_t *drv)
int nb_heads, max_track, last_sect, ro; int nb_heads, max_track, last_sect, ro;
FLOPPY_DPRINTF("revalidate\n"); FLOPPY_DPRINTF("revalidate\n");
drv->drflags &= ~FDRIVE_REVALIDATE;
if (drv->bs != NULL && bdrv_is_inserted(drv->bs)) { if (drv->bs != NULL && bdrv_is_inserted(drv->bs)) {
ro = bdrv_is_read_only(drv->bs); ro = bdrv_is_read_only(drv->bs);
bdrv_get_geometry_hint(drv->bs, &nb_heads, &max_track, &last_sect); bdrv_get_geometry_hint(drv->bs, &nb_heads, &max_track, &last_sect);
@ -291,7 +289,6 @@ static void fd_revalidate (fdrive_t *drv)
drv->max_track = 0; drv->max_track = 0;
drv->flags &= ~FDISK_DBL_SIDES; drv->flags &= ~FDISK_DBL_SIDES;
} }
drv->drflags |= FDRIVE_REVALIDATE;
} }
/* Motor control */ /* Motor control */
@ -488,19 +485,6 @@ static CPUWriteMemoryFunc *fdctrl_mem_write[3] = {
fdctrl_write_mem, fdctrl_write_mem,
}; };
static void fd_change_cb (void *opaque)
{
fdrive_t *drv = opaque;
FLOPPY_DPRINTF("disk change\n");
fd_revalidate(drv);
#if 0
fd_recalibrate(drv);
fdctrl_reset_fifo(drv->fdctrl);
fdctrl_raise_irq(drv->fdctrl, 0x20);
#endif
}
fdctrl_t *fdctrl_init (int irq_lvl, int dma_chann, int mem_mapped, fdctrl_t *fdctrl_init (int irq_lvl, int dma_chann, int mem_mapped,
uint32_t io_base, uint32_t io_base,
BlockDriverState **fds) BlockDriverState **fds)
@ -529,10 +513,6 @@ fdctrl_t *fdctrl_init (int irq_lvl, int dma_chann, int mem_mapped,
} }
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
fd_init(&fdctrl->drives[i], fds[i]); fd_init(&fdctrl->drives[i], fds[i]);
if (fds[i]) {
bdrv_set_change_cb(fds[i],
&fd_change_cb, &fdctrl->drives[i]);
}
} }
fdctrl_reset(fdctrl, 0); fdctrl_reset(fdctrl, 0);
fdctrl->state = FD_CTRL_ACTIVE; fdctrl->state = FD_CTRL_ACTIVE;
@ -760,18 +740,28 @@ static void fdctrl_write_rate (fdctrl_t *fdctrl, uint32_t value)
// fdctrl.precomp = (value >> 2) & 0x07; // fdctrl.precomp = (value >> 2) & 0x07;
} }
static int fdctrl_media_changed(fdrive_t *drv)
{
int ret;
if (!drv->bs)
return 0;
ret = bdrv_media_changed(drv->bs);
if (ret) {
fd_revalidate(drv);
}
return ret;
}
/* Digital input register : 0x07 (read-only) */ /* Digital input register : 0x07 (read-only) */
static uint32_t fdctrl_read_dir (fdctrl_t *fdctrl) static uint32_t fdctrl_read_dir (fdctrl_t *fdctrl)
{ {
uint32_t retval = 0; uint32_t retval = 0;
if (drv0(fdctrl)->drflags & FDRIVE_REVALIDATE || if (fdctrl_media_changed(drv0(fdctrl)) ||
drv1(fdctrl)->drflags & FDRIVE_REVALIDATE) fdctrl_media_changed(drv1(fdctrl)))
retval |= 0x80; retval |= 0x80;
if (retval != 0) if (retval != 0)
FLOPPY_DPRINTF("Floppy digital input register: 0x%02x\n", retval); FLOPPY_DPRINTF("Floppy digital input register: 0x%02x\n", retval);
drv0(fdctrl)->drflags &= ~FDRIVE_REVALIDATE;
drv1(fdctrl)->drflags &= ~FDRIVE_REVALIDATE;
return retval; return retval;
} }