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authorj_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162>2007-11-05 03:11:37 +0000
committerj_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162>2007-11-05 03:11:37 +0000
commit4f431960976661fc60c5e7e05df6550cc592bceb (patch)
tree55e945fdfd635c53b999b34dc2843e0414dc6224
parentd8f699cb32c8c418b65aa6a2c252e097ae4716ae (diff)
No functional changes: remove dead code and fix indentation & wrapping lines.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3535 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r--hw/fdc.c395
1 files changed, 196 insertions, 199 deletions
diff --git a/hw/fdc.c b/hw/fdc.c
index db76acb96e..f0033b8629 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -106,7 +106,7 @@ static void fd_init (fdrive_t *drv, BlockDriverState *bs)
}
static int _fd_sector (uint8_t head, uint8_t track,
- uint8_t sect, uint8_t last_sect)
+ uint8_t sect, uint8_t last_sect)
{
return (((track * 2) + head) * last_sect) + sect - 1;
}
@@ -124,7 +124,7 @@ static int fd_seek (fdrive_t *drv, uint8_t head, uint8_t track, uint8_t sect,
int ret;
if (track > drv->max_track ||
- (head != 0 && (drv->flags & FDISK_DBL_SIDES) == 0)) {
+ (head != 0 && (drv->flags & FDISK_DBL_SIDES) == 0)) {
FLOPPY_DPRINTF("try to read %d %02x %02x (max=%d %d %02x %02x)\n",
head, track, sect, 1,
(drv->flags & FDISK_DBL_SIDES) == 0 ? 0 : 1,
@@ -149,8 +149,8 @@ static int fd_seek (fdrive_t *drv, uint8_t head, uint8_t track, uint8_t sect,
}
#endif
drv->head = head;
- if (drv->track != track)
- ret = 1;
+ if (drv->track != track)
+ ret = 1;
drv->track = track;
drv->sect = sect;
}
@@ -236,58 +236,58 @@ static void fd_revalidate (fdrive_t *drv)
FLOPPY_DPRINTF("revalidate\n");
if (drv->bs != NULL && bdrv_is_inserted(drv->bs)) {
- ro = bdrv_is_read_only(drv->bs);
- bdrv_get_geometry_hint(drv->bs, &nb_heads, &max_track, &last_sect);
- if (nb_heads != 0 && max_track != 0 && last_sect != 0) {
- FLOPPY_DPRINTF("User defined disk (%d %d %d)",
+ ro = bdrv_is_read_only(drv->bs);
+ bdrv_get_geometry_hint(drv->bs, &nb_heads, &max_track, &last_sect);
+ if (nb_heads != 0 && max_track != 0 && last_sect != 0) {
+ FLOPPY_DPRINTF("User defined disk (%d %d %d)",
nb_heads - 1, max_track, last_sect);
- } else {
- bdrv_get_geometry(drv->bs, &nb_sectors);
- match = -1;
- first_match = -1;
- for (i = 0;; i++) {
- parse = &fd_formats[i];
- if (parse->drive == FDRIVE_DRV_NONE)
- break;
- if (drv->drive == parse->drive ||
- drv->drive == FDRIVE_DRV_NONE) {
- size = (parse->max_head + 1) * parse->max_track *
- parse->last_sect;
- if (nb_sectors == size) {
- match = i;
- break;
- }
- if (first_match == -1)
- first_match = i;
- }
- }
- if (match == -1) {
- if (first_match == -1)
- match = 1;
- else
- match = first_match;
- parse = &fd_formats[match];
- }
- nb_heads = parse->max_head + 1;
- max_track = parse->max_track;
- last_sect = parse->last_sect;
- drv->drive = parse->drive;
- FLOPPY_DPRINTF("%s floppy disk (%d h %d t %d s) %s\n", parse->str,
+ } else {
+ bdrv_get_geometry(drv->bs, &nb_sectors);
+ match = -1;
+ first_match = -1;
+ for (i = 0;; i++) {
+ parse = &fd_formats[i];
+ if (parse->drive == FDRIVE_DRV_NONE)
+ break;
+ if (drv->drive == parse->drive ||
+ drv->drive == FDRIVE_DRV_NONE) {
+ size = (parse->max_head + 1) * parse->max_track *
+ parse->last_sect;
+ if (nb_sectors == size) {
+ match = i;
+ break;
+ }
+ if (first_match == -1)
+ first_match = i;
+ }
+ }
+ if (match == -1) {
+ if (first_match == -1)
+ match = 1;
+ else
+ match = first_match;
+ parse = &fd_formats[match];
+ }
+ nb_heads = parse->max_head + 1;
+ max_track = parse->max_track;
+ last_sect = parse->last_sect;
+ drv->drive = parse->drive;
+ FLOPPY_DPRINTF("%s floppy disk (%d h %d t %d s) %s\n", parse->str,
nb_heads, max_track, last_sect, ro ? "ro" : "rw");
- }
- if (nb_heads == 1) {
- drv->flags &= ~FDISK_DBL_SIDES;
- } else {
- drv->flags |= FDISK_DBL_SIDES;
- }
- drv->max_track = max_track;
- drv->last_sect = last_sect;
- drv->ro = ro;
+ }
+ if (nb_heads == 1) {
+ drv->flags &= ~FDISK_DBL_SIDES;
+ } else {
+ drv->flags |= FDISK_DBL_SIDES;
+ }
+ drv->max_track = max_track;
+ drv->last_sect = last_sect;
+ drv->ro = ro;
} else {
- FLOPPY_DPRINTF("No disk in drive\n");
+ FLOPPY_DPRINTF("No disk in drive\n");
drv->last_sect = 0;
- drv->max_track = 0;
- drv->flags &= ~FDISK_DBL_SIDES;
+ drv->max_track = 0;
+ drv->flags &= ~FDISK_DBL_SIDES;
}
}
@@ -414,28 +414,28 @@ static uint32_t fdctrl_read (void *opaque, uint32_t reg)
} else {
retval = (uint32_t)(-1);
}
- break;
+ break;
case 0x01:
- retval = fdctrl_read_statusB(fdctrl);
- break;
+ retval = fdctrl_read_statusB(fdctrl);
+ break;
case 0x02:
- retval = fdctrl_read_dor(fdctrl);
- break;
+ retval = fdctrl_read_dor(fdctrl);
+ break;
case 0x03:
retval = fdctrl_read_tape(fdctrl);
- break;
+ break;
case 0x04:
retval = fdctrl_read_main_status(fdctrl);
- break;
+ break;
case 0x05:
retval = fdctrl_read_data(fdctrl);
- break;
+ break;
case 0x07:
retval = fdctrl_read_dir(fdctrl);
- break;
+ break;
default:
- retval = (uint32_t)(-1);
- break;
+ retval = (uint32_t)(-1);
+ break;
}
FLOPPY_DPRINTF("read reg%d: 0x%02x\n", reg & 7, retval);
@@ -450,19 +450,19 @@ static void fdctrl_write (void *opaque, uint32_t reg, uint32_t value)
switch (reg & 0x07) {
case 0x02:
- fdctrl_write_dor(fdctrl, value);
- break;
+ fdctrl_write_dor(fdctrl, value);
+ break;
case 0x03:
fdctrl_write_tape(fdctrl, value);
- break;
+ break;
case 0x04:
fdctrl_write_rate(fdctrl, value);
- break;
+ break;
case 0x05:
fdctrl_write_data(fdctrl, value);
- break;
+ break;
default:
- break;
+ break;
}
}
@@ -615,7 +615,8 @@ fdctrl_t *fdctrl_init (qemu_irq irq, int dma_chann, int mem_mapped,
fdctrl_reset(fdctrl, 0);
fdctrl->state = FD_CTRL_ACTIVE;
if (mem_mapped) {
- io_mem = cpu_register_io_memory(0, fdctrl_mem_read, fdctrl_mem_write, fdctrl);
+ io_mem = cpu_register_io_memory(0, fdctrl_mem_read, fdctrl_mem_write,
+ fdctrl);
cpu_register_physical_memory(io_base, 0x08, io_mem);
} else {
register_ioport_read((uint32_t)io_base + 0x01, 5, 1, &fdctrl_read,
@@ -665,9 +666,9 @@ static void fdctrl_raise_irq (fdctrl_t *fdctrl, uint8_t status)
{
// Sparc mutation
if (fdctrl->sun4m && !fdctrl->dma_en) {
- fdctrl->state &= ~FD_CTRL_BUSY;
- fdctrl->int_status = status;
- return;
+ fdctrl->state &= ~FD_CTRL_BUSY;
+ fdctrl->int_status = status;
+ return;
}
if (~(fdctrl->state & FD_CTRL_INTR)) {
qemu_set_irq(fdctrl->irq, 1);
@@ -727,9 +728,9 @@ static uint32_t fdctrl_read_dor (fdctrl_t *fdctrl)
/* Drive motors state indicators */
if (drv0(fdctrl)->drflags & FDRIVE_MOTOR_ON)
- retval |= 1 << 5;
+ retval |= 1 << 5;
if (drv1(fdctrl)->drflags & FDRIVE_MOTOR_ON)
- retval |= 1 << 4;
+ retval |= 1 << 4;
/* DMA enable */
retval |= fdctrl->dma_en << 3;
/* Reset indicator */
@@ -836,9 +837,9 @@ static void fdctrl_write_rate (fdctrl_t *fdctrl, uint32_t value)
{
/* Reset mode */
if (fdctrl->state & FD_CTRL_RESET) {
- FLOPPY_DPRINTF("Floppy controller in RESET state !\n");
- return;
- }
+ FLOPPY_DPRINTF("Floppy controller in RESET state !\n");
+ return;
+ }
FLOPPY_DPRINTF("select rate register set to 0x%02x\n", value);
/* Reset: autoclear */
if (value & 0x80) {
@@ -856,6 +857,7 @@ static void fdctrl_write_rate (fdctrl_t *fdctrl, uint32_t value)
static int fdctrl_media_changed(fdrive_t *drv)
{
int ret;
+
if (!drv->bs)
return 0;
ret = bdrv_media_changed(drv->bs);
@@ -871,7 +873,7 @@ static uint32_t fdctrl_read_dir (fdctrl_t *fdctrl)
uint32_t retval = 0;
if (fdctrl_media_changed(drv0(fdctrl)) ||
- fdctrl_media_changed(drv1(fdctrl)))
+ fdctrl_media_changed(drv1(fdctrl)))
retval |= 0x80;
if (retval != 0)
FLOPPY_DPRINTF("Floppy digital input register: 0x%02x\n", retval);
@@ -918,7 +920,7 @@ static void fdctrl_unimplemented (fdctrl_t *fdctrl)
/* Callback for transfer end (stop or abort) */
static void fdctrl_stop_transfer (fdctrl_t *fdctrl, uint8_t status0,
- uint8_t status1, uint8_t status2)
+ uint8_t status1, uint8_t status2)
{
fdrive_t *cur_drv;
@@ -1000,12 +1002,12 @@ static void fdctrl_start_transfer (fdctrl_t *fdctrl, int direction)
if (fdctrl->fifo[5] == 00) {
fdctrl->data_len = fdctrl->fifo[8];
} else {
- int tmp;
+ int tmp;
fdctrl->data_len = 128 << (fdctrl->fifo[5] > 7 ? 7 : fdctrl->fifo[5]);
tmp = (cur_drv->last_sect - ks + 1);
if (fdctrl->fifo[0] & 0x80)
tmp += cur_drv->last_sect;
- fdctrl->data_len *= tmp;
+ fdctrl->data_len *= tmp;
}
fdctrl->eot = fdctrl->fifo[6];
if (fdctrl->dma_en) {
@@ -1014,9 +1016,9 @@ static void fdctrl_start_transfer (fdctrl_t *fdctrl, int direction)
dma_mode = DMA_get_channel_mode(fdctrl->dma_chann);
dma_mode = (dma_mode >> 2) & 3;
FLOPPY_DPRINTF("dma_mode=%d direction=%d (%d - %d)\n",
- dma_mode, direction,
+ dma_mode, direction,
(128 << fdctrl->fifo[5]) *
- (cur_drv->last_sect - ks + 1), fdctrl->data_len);
+ (cur_drv->last_sect - ks + 1), fdctrl->data_len);
if (((direction == FD_DIR_SCANE || direction == FD_DIR_SCANL ||
direction == FD_DIR_SCANH) && dma_mode == 0) ||
(direction == FD_DIR_WRITE && dma_mode == 2) ||
@@ -1030,7 +1032,7 @@ static void fdctrl_start_transfer (fdctrl_t *fdctrl, int direction)
DMA_schedule(fdctrl->dma_chann);
return;
} else {
- FLOPPY_ERROR("dma_mode=%d direction=%d\n", dma_mode, direction);
+ FLOPPY_ERROR("dma_mode=%d direction=%d\n", dma_mode, direction);
}
}
FLOPPY_DPRINTF("start non-DMA transfer\n");
@@ -1070,11 +1072,11 @@ static int fdctrl_transfer_handler (void *opaque, int nchan,
if (dma_len > fdctrl->data_len)
dma_len = fdctrl->data_len;
if (cur_drv->bs == NULL) {
- if (fdctrl->data_dir == FD_DIR_WRITE)
- fdctrl_stop_transfer(fdctrl, 0x60, 0x00, 0x00);
- else
- fdctrl_stop_transfer(fdctrl, 0x40, 0x00, 0x00);
- len = 0;
+ if (fdctrl->data_dir == FD_DIR_WRITE)
+ fdctrl_stop_transfer(fdctrl, 0x60, 0x00, 0x00);
+ else
+ fdctrl_stop_transfer(fdctrl, 0x40, 0x00, 0x00);
+ len = 0;
goto transfer_error;
}
rel_pos = fdctrl->data_pos % FD_SECTOR_LEN;
@@ -1088,45 +1090,39 @@ static int fdctrl_transfer_handler (void *opaque, int nchan,
cur_drv->track, cur_drv->sect, fd_sector(cur_drv),
fd_sector(cur_drv) * 512);
if (fdctrl->data_dir != FD_DIR_WRITE ||
- len < FD_SECTOR_LEN || rel_pos != 0) {
+ len < FD_SECTOR_LEN || rel_pos != 0) {
/* READ & SCAN commands and realign to a sector for WRITE */
if (bdrv_read(cur_drv->bs, fd_sector(cur_drv),
- fdctrl->fifo, 1) < 0) {
+ fdctrl->fifo, 1) < 0) {
FLOPPY_DPRINTF("Floppy: error getting sector %d\n",
fd_sector(cur_drv));
/* Sure, image size is too small... */
memset(fdctrl->fifo, 0, FD_SECTOR_LEN);
}
}
- switch (fdctrl->data_dir) {
- case FD_DIR_READ:
- /* READ commands */
+ switch (fdctrl->data_dir) {
+ case FD_DIR_READ:
+ /* READ commands */
DMA_write_memory (nchan, fdctrl->fifo + rel_pos,
fdctrl->data_pos, len);
-/* cpu_physical_memory_write(addr + fdctrl->data_pos, */
-/* fdctrl->fifo + rel_pos, len); */
- break;
- case FD_DIR_WRITE:
+ break;
+ case FD_DIR_WRITE:
/* WRITE commands */
DMA_read_memory (nchan, fdctrl->fifo + rel_pos,
fdctrl->data_pos, len);
-/* cpu_physical_memory_read(addr + fdctrl->data_pos, */
-/* fdctrl->fifo + rel_pos, len); */
if (bdrv_write(cur_drv->bs, fd_sector(cur_drv),
- fdctrl->fifo, 1) < 0) {
+ fdctrl->fifo, 1) < 0) {
FLOPPY_ERROR("writting sector %d\n", fd_sector(cur_drv));
fdctrl_stop_transfer(fdctrl, 0x60, 0x00, 0x00);
goto transfer_error;
}
- break;
- default:
- /* SCAN commands */
+ break;
+ default:
+ /* SCAN commands */
{
- uint8_t tmpbuf[FD_SECTOR_LEN];
+ uint8_t tmpbuf[FD_SECTOR_LEN];
int ret;
DMA_read_memory (nchan, tmpbuf, fdctrl->data_pos, len);
-/* cpu_physical_memory_read(addr + fdctrl->data_pos, */
-/* tmpbuf, len); */
ret = memcmp(tmpbuf, fdctrl->fifo + rel_pos, len);
if (ret == 0) {
status2 = 0x08;
@@ -1138,47 +1134,47 @@ static int fdctrl_transfer_handler (void *opaque, int nchan,
goto end_transfer;
}
}
- break;
+ break;
}
- fdctrl->data_pos += len;
- rel_pos = fdctrl->data_pos % FD_SECTOR_LEN;
+ fdctrl->data_pos += len;
+ rel_pos = fdctrl->data_pos % FD_SECTOR_LEN;
if (rel_pos == 0) {
/* Seek to next sector */
- FLOPPY_DPRINTF("seek to next sector (%d %02x %02x => %d) (%d)\n",
- cur_drv->head, cur_drv->track, cur_drv->sect,
- fd_sector(cur_drv),
- fdctrl->data_pos - len);
+ FLOPPY_DPRINTF("seek to next sector (%d %02x %02x => %d) (%d)\n",
+ cur_drv->head, cur_drv->track, cur_drv->sect,
+ fd_sector(cur_drv),
+ fdctrl->data_pos - len);
/* XXX: cur_drv->sect >= cur_drv->last_sect should be an
error in fact */
if (cur_drv->sect >= cur_drv->last_sect ||
cur_drv->sect == fdctrl->eot) {
- cur_drv->sect = 1;
- if (FD_MULTI_TRACK(fdctrl->data_state)) {
- if (cur_drv->head == 0 &&
- (cur_drv->flags & FDISK_DBL_SIDES) != 0) {
+ cur_drv->sect = 1;
+ if (FD_MULTI_TRACK(fdctrl->data_state)) {
+ if (cur_drv->head == 0 &&
+ (cur_drv->flags & FDISK_DBL_SIDES) != 0) {
cur_drv->head = 1;
} else {
cur_drv->head = 0;
- cur_drv->track++;
- if ((cur_drv->flags & FDISK_DBL_SIDES) == 0)
- break;
+ cur_drv->track++;
+ if ((cur_drv->flags & FDISK_DBL_SIDES) == 0)
+ break;
}
} else {
cur_drv->track++;
break;
}
- FLOPPY_DPRINTF("seek to next track (%d %02x %02x => %d)\n",
- cur_drv->head, cur_drv->track,
- cur_drv->sect, fd_sector(cur_drv));
+ FLOPPY_DPRINTF("seek to next track (%d %02x %02x => %d)\n",
+ cur_drv->head, cur_drv->track,
+ cur_drv->sect, fd_sector(cur_drv));
} else {
cur_drv->sect++;
}
}
}
-end_transfer:
+ end_transfer:
len = fdctrl->data_pos - start_pos;
FLOPPY_DPRINTF("end transfer %d %d %d\n",
- fdctrl->data_pos, len, fdctrl->data_len);
+ fdctrl->data_pos, len, fdctrl->data_len);
if (fdctrl->data_dir == FD_DIR_SCANE ||
fdctrl->data_dir == FD_DIR_SCANL ||
fdctrl->data_dir == FD_DIR_SCANH)
@@ -1188,7 +1184,7 @@ end_transfer:
fdctrl->data_len -= len;
// if (fdctrl->data_len == 0)
fdctrl_stop_transfer(fdctrl, status0, status1, status2);
-transfer_error:
+ transfer_error:
return len;
}
@@ -1284,18 +1280,18 @@ static void fdctrl_format_sector (fdctrl_t *fdctrl)
FLOPPY_ERROR("formatting sector %d\n", fd_sector(cur_drv));
fdctrl_stop_transfer(fdctrl, 0x60, 0x00, 0x00);
} else {
- if (cur_drv->sect == cur_drv->last_sect) {
- fdctrl->data_state &= ~FD_STATE_FORMAT;
- /* Last sector done */
- if (FD_DID_SEEK(fdctrl->data_state))
- fdctrl_stop_transfer(fdctrl, 0x20, 0x00, 0x00);
- else
- fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
- } else {
- /* More to do */
- fdctrl->data_pos = 0;
- fdctrl->data_len = 4;
- }
+ if (cur_drv->sect == cur_drv->last_sect) {
+ fdctrl->data_state &= ~FD_STATE_FORMAT;
+ /* Last sector done */
+ if (FD_DID_SEEK(fdctrl->data_state))
+ fdctrl_stop_transfer(fdctrl, 0x20, 0x00, 0x00);
+ else
+ fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
+ } else {
+ /* More to do */
+ fdctrl->data_pos = 0;
+ fdctrl->data_len = 4;
+ }
}
}
@@ -1423,8 +1419,8 @@ static void fdctrl_write_data (fdctrl_t *fdctrl, uint32_t value)
#endif
fdctrl->fifo[1] = cur_drv->track;
fdctrl_set_fifo(fdctrl, 2, 0);
- fdctrl_reset_irq(fdctrl);
- fdctrl->int_status = 0xC0;
+ fdctrl_reset_irq(fdctrl);
+ fdctrl->int_status = 0xC0;
return;
case 0x0E:
/* DUMPREG */
@@ -1439,7 +1435,7 @@ static void fdctrl_write_data (fdctrl_t *fdctrl, uint32_t value)
fdctrl->fifo[5] = (fdctrl->timer1 << 1) | fdctrl->dma_en;
fdctrl->fifo[6] = cur_drv->last_sect;
fdctrl->fifo[7] = (fdctrl->lock << 7) |
- (cur_drv->perpendicular << 2);
+ (cur_drv->perpendicular << 2);
fdctrl->fifo[8] = fdctrl->config;
fdctrl->fifo[9] = fdctrl->precomp_trk;
fdctrl_set_fifo(fdctrl, 10, 0);
@@ -1507,7 +1503,7 @@ static void fdctrl_write_data (fdctrl_t *fdctrl, uint32_t value)
fdctrl->fifo[7] = fdctrl->timer1;
fdctrl->fifo[8] = cur_drv->last_sect;
fdctrl->fifo[9] = (fdctrl->lock << 7) |
- (cur_drv->perpendicular << 2);
+ (cur_drv->perpendicular << 2);
fdctrl->fifo[10] = fdctrl->config;
fdctrl->fifo[11] = fdctrl->precomp_trk;
fdctrl->fifo[12] = fdctrl->pwrd;
@@ -1584,25 +1580,25 @@ static void fdctrl_write_data (fdctrl_t *fdctrl, uint32_t value)
return;
}
}
-enqueue:
+ enqueue:
FLOPPY_DPRINTF("%s: %02x\n", __func__, value);
fdctrl->fifo[fdctrl->data_pos] = value;
if (++fdctrl->data_pos == fdctrl->data_len) {
/* We now have all parameters
* and will be able to treat the command
*/
- if (fdctrl->data_state & FD_STATE_FORMAT) {
- fdctrl_format_sector(fdctrl);
- return;
- }
- switch (fdctrl->fifo[0] & 0x1F) {
- case 0x06:
- {
- /* READ variants */
- FLOPPY_DPRINTF("treat READ command\n");
- fdctrl_start_transfer(fdctrl, FD_DIR_READ);
+ if (fdctrl->data_state & FD_STATE_FORMAT) {
+ fdctrl_format_sector(fdctrl);
return;
}
+ switch (fdctrl->fifo[0] & 0x1F) {
+ case 0x06:
+ {
+ /* READ variants */
+ FLOPPY_DPRINTF("treat READ command\n");
+ fdctrl_start_transfer(fdctrl, FD_DIR_READ);
+ return;
+ }
case 0x0C:
/* READ_DELETED variants */
// FLOPPY_DPRINTF("treat READ_DELETED command\n");
@@ -1657,7 +1653,7 @@ enqueue:
FLOPPY_DPRINTF("treat SPECIFY command\n");
fdctrl->timer0 = (fdctrl->fifo[1] >> 4) & 0xF;
fdctrl->timer1 = fdctrl->fifo[2] >> 1;
- fdctrl->dma_en = 1 - (fdctrl->fifo[2] & 1) ;
+ fdctrl->dma_en = 1 - (fdctrl->fifo[2] & 1) ;
/* No result back */
fdctrl_reset_fifo(fdctrl);
break;
@@ -1665,7 +1661,7 @@ enqueue:
/* SENSE_DRIVE_STATUS */
FLOPPY_DPRINTF("treat SENSE_DRIVE_STATUS command\n");
fdctrl->cur_drv = fdctrl->fifo[1] & 1;
- cur_drv = get_cur_drv(fdctrl);
+ cur_drv = get_cur_drv(fdctrl);
cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
/* 1 Byte status back */
fdctrl->fifo[0] = (cur_drv->ro << 6) |
@@ -1679,23 +1675,23 @@ enqueue:
/* RECALIBRATE */
FLOPPY_DPRINTF("treat RECALIBRATE command\n");
fdctrl->cur_drv = fdctrl->fifo[1] & 1;
- cur_drv = get_cur_drv(fdctrl);
+ cur_drv = get_cur_drv(fdctrl);
fd_recalibrate(cur_drv);
- fdctrl_reset_fifo(fdctrl);
+ fdctrl_reset_fifo(fdctrl);
/* Raise Interrupt */
- fdctrl_raise_irq(fdctrl, 0x20);
+ fdctrl_raise_irq(fdctrl, 0x20);
break;
case 0x0F:
/* SEEK */
FLOPPY_DPRINTF("treat SEEK command\n");
fdctrl->cur_drv = fdctrl->fifo[1] & 1;
- cur_drv = get_cur_drv(fdctrl);
- fd_start(cur_drv);
+ cur_drv = get_cur_drv(fdctrl);
+ fd_start(cur_drv);
if (fdctrl->fifo[2] <= cur_drv->track)
cur_drv->dir = 1;
else
cur_drv->dir = 0;
- fdctrl_reset_fifo(fdctrl);
+ fdctrl_reset_fifo(fdctrl);
if (fdctrl->fifo[2] > cur_drv->max_track) {
fdctrl_raise_irq(fdctrl, 0x60);
} else {
@@ -1740,7 +1736,7 @@ enqueue:
fdctrl_start_transfer(fdctrl, FD_DIR_READ);
break;
case 0x4A:
- /* READ_ID */
+ /* READ_ID */
FLOPPY_DPRINTF("treat READ_ID command\n");
/* XXX: should set main status register to busy */
cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
@@ -1766,30 +1762,30 @@ enqueue:
break;
case 0x4D:
/* FORMAT_TRACK */
- FLOPPY_DPRINTF("treat FORMAT_TRACK command\n");
- fdctrl->cur_drv = fdctrl->fifo[1] & 1;
- cur_drv = get_cur_drv(fdctrl);
- fdctrl->data_state |= FD_STATE_FORMAT;
- if (fdctrl->fifo[0] & 0x80)
- fdctrl->data_state |= FD_STATE_MULTI;
- else
- fdctrl->data_state &= ~FD_STATE_MULTI;
- fdctrl->data_state &= ~FD_STATE_SEEK;
- cur_drv->bps =
- fdctrl->fifo[2] > 7 ? 16384 : 128 << fdctrl->fifo[2];
+ FLOPPY_DPRINTF("treat FORMAT_TRACK command\n");
+ fdctrl->cur_drv = fdctrl->fifo[1] & 1;
+ cur_drv = get_cur_drv(fdctrl);
+ fdctrl->data_state |= FD_STATE_FORMAT;
+ if (fdctrl->fifo[0] & 0x80)
+ fdctrl->data_state |= FD_STATE_MULTI;
+ else
+ fdctrl->data_state &= ~FD_STATE_MULTI;
+ fdctrl->data_state &= ~FD_STATE_SEEK;
+ cur_drv->bps =
+ fdctrl->fifo[2] > 7 ? 16384 : 128 << fdctrl->fifo[2];
#if 0
- cur_drv->last_sect =
- cur_drv->flags & FDISK_DBL_SIDES ? fdctrl->fifo[3] :
- fdctrl->fifo[3] / 2;
+ cur_drv->last_sect =
+ cur_drv->flags & FDISK_DBL_SIDES ? fdctrl->fifo[3] :
+ fdctrl->fifo[3] / 2;
#else
- cur_drv->last_sect = fdctrl->fifo[3];
+ cur_drv->last_sect = fdctrl->fifo[3];
#endif
- /* TODO: implement format using DMA expected by the Bochs BIOS
- * and Linux fdformat (read 3 bytes per sector via DMA and fill
- * the sector with the specified fill byte
- */
- fdctrl->data_state &= ~FD_STATE_FORMAT;
- fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
+ /* TODO: implement format using DMA expected by the Bochs BIOS
+ * and Linux fdformat (read 3 bytes per sector via DMA and fill
+ * the sector with the specified fill byte
+ */
+ fdctrl->data_state &= ~FD_STATE_FORMAT;
+ fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
break;
case 0x8E:
/* DRIVE_SPECIFICATION_COMMAND */
@@ -1815,16 +1811,16 @@ enqueue:
/* RELATIVE_SEEK_OUT */
FLOPPY_DPRINTF("treat RELATIVE_SEEK_OUT command\n");
fdctrl->cur_drv = fdctrl->fifo[1] & 1;
- cur_drv = get_cur_drv(fdctrl);
- fd_start(cur_drv);
- cur_drv->dir = 0;
+ cur_drv = get_cur_drv(fdctrl);
+ fd_start(cur_drv);
+ cur_drv->dir = 0;
if (fdctrl->fifo[2] + cur_drv->track >= cur_drv->max_track) {
- cur_drv->track = cur_drv->max_track - 1;
+ cur_drv->track = cur_drv->max_track - 1;
} else {
cur_drv->track += fdctrl->fifo[2];
}
- fdctrl_reset_fifo(fdctrl);
- fdctrl_raise_irq(fdctrl, 0x20);
+ fdctrl_reset_fifo(fdctrl);
+ fdctrl_raise_irq(fdctrl, 0x20);
break;
case 0xCD:
/* FORMAT_AND_WRITE */
@@ -1833,20 +1829,20 @@ enqueue:
fdctrl_unimplemented(fdctrl);
break;
case 0xCF:
- /* RELATIVE_SEEK_IN */
+ /* RELATIVE_SEEK_IN */
FLOPPY_DPRINTF("treat RELATIVE_SEEK_IN command\n");
fdctrl->cur_drv = fdctrl->fifo[1] & 1;
- cur_drv = get_cur_drv(fdctrl);
- fd_start(cur_drv);
- cur_drv->dir = 1;
+ cur_drv = get_cur_drv(fdctrl);
+ fd_start(cur_drv);
+ cur_drv->dir = 1;
if (fdctrl->fifo[2] > cur_drv->track) {
- cur_drv->track = 0;
+ cur_drv->track = 0;
} else {
cur_drv->track -= fdctrl->fifo[2];
}
- fdctrl_reset_fifo(fdctrl);
- /* Raise Interrupt */
- fdctrl_raise_irq(fdctrl, 0x20);
+ fdctrl_reset_fifo(fdctrl);
+ /* Raise Interrupt */
+ fdctrl_raise_irq(fdctrl, 0x20);
break;
}
}
@@ -1856,6 +1852,7 @@ static void fdctrl_result_timer(void *opaque)
{
fdctrl_t *fdctrl = opaque;
fdrive_t *cur_drv = get_cur_drv(fdctrl);
+
/* Pretend we are spinning.
* This is needed for Coherent, which uses READ ID to check for
* sector interleaving.