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kill drives_table

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First step cleaning up the drives handling.  This one does nothing but
removing drives_table[], still it became seriously big.

drive_get_index() is gone and is replaced by drives_get() which hands
out DriveInfo pointers instead of a table index.  This needs adaption in
*tons* of places all over.

The drives are now maintained as linked list.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-07-22 16:42:57 +02:00 • committed by Anthony Liguori
parent 8a14daa5a1
commit 751c6a1704
36 changed files with 308 additions and 343 deletions
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16
hw/sun4m.c
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@ -581,9 +581,9 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef, ram_addr_t RAM_size,
qemu_irq *cpu_halt;
unsigned long kernel_size;
BlockDriverState *fd[MAX_FD];
int drive_index;
void *fw_cfg;
DeviceState *dev;
DriveInfo *dinfo;
/* init CPUs */
if (!cpu_model)
@ -662,9 +662,9 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef, ram_addr_t RAM_size,
if (hwdef->fd_base) {
/* there is zero or one floppy drive */
memset(fd, 0, sizeof(fd));
drive_index = drive_get_index(IF_FLOPPY, 0, 0);
if (drive_index != -1)
fd[0] = drives_table[drive_index].bdrv;
dinfo = drive_get(IF_FLOPPY, 0, 0);
if (dinfo)
fd[0] = dinfo->bdrv;
sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd,
&fdc_tc);
@ -1507,10 +1507,10 @@ static void sun4c_hw_init(const struct sun4c_hwdef *hwdef, ram_addr_t RAM_size,
qemu_irq fdc_tc;
unsigned long kernel_size;
BlockDriverState *fd[MAX_FD];
int drive_index;
void *fw_cfg;
DeviceState *dev;
unsigned int i;
DriveInfo *dinfo;
/* init CPU */
if (!cpu_model)
@ -1565,9 +1565,9 @@ static void sun4c_hw_init(const struct sun4c_hwdef *hwdef, ram_addr_t RAM_size,
if (hwdef->fd_base != (target_phys_addr_t)-1) {
/* there is zero or one floppy drive */
memset(fd, 0, sizeof(fd));
drive_index = drive_get_index(IF_FLOPPY, 0, 0);
if (drive_index != -1)
fd[0] = drives_table[drive_index].bdrv;
dinfo = drive_get(IF_FLOPPY, 0, 0);
if (dinfo)
fd[0] = dinfo->bdrv;
sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd,
&fdc_tc);