61 |
61 |
#define FD_RESET_SENSEI_COUNT 4 /* Number of sense interrupts on RESET */
|
62 |
62 |
|
63 |
63 |
/* Floppy disk drive emulation */
|
64 |
|
typedef enum fdisk_type_t {
|
|
64 |
typedef enum FDiskType {
|
65 |
65 |
FDRIVE_DISK_288 = 0x01, /* 2.88 MB disk */
|
66 |
66 |
FDRIVE_DISK_144 = 0x02, /* 1.44 MB disk */
|
67 |
67 |
FDRIVE_DISK_720 = 0x03, /* 720 kB disk */
|
68 |
68 |
FDRIVE_DISK_USER = 0x04, /* User defined geometry */
|
69 |
69 |
FDRIVE_DISK_NONE = 0x05, /* No disk */
|
70 |
|
} fdisk_type_t;
|
|
70 |
} FDiskType;
|
71 |
71 |
|
72 |
|
typedef enum fdrive_type_t {
|
|
72 |
typedef enum FDriveType {
|
73 |
73 |
FDRIVE_DRV_144 = 0x00, /* 1.44 MB 3"5 drive */
|
74 |
74 |
FDRIVE_DRV_288 = 0x01, /* 2.88 MB 3"5 drive */
|
75 |
75 |
FDRIVE_DRV_120 = 0x02, /* 1.2 MB 5"25 drive */
|
76 |
76 |
FDRIVE_DRV_NONE = 0x03, /* No drive connected */
|
77 |
|
} fdrive_type_t;
|
|
77 |
} FDriveType;
|
78 |
78 |
|
79 |
|
typedef enum fdisk_flags_t {
|
|
79 |
typedef enum FDiskFlags {
|
80 |
80 |
FDISK_DBL_SIDES = 0x01,
|
81 |
|
} fdisk_flags_t;
|
|
81 |
} FDiskFlags;
|
82 |
82 |
|
83 |
|
typedef struct fdrive_t {
|
|
83 |
typedef struct FDrive {
|
84 |
84 |
DriveInfo *dinfo;
|
85 |
85 |
BlockDriverState *bs;
|
86 |
86 |
/* Drive status */
|
87 |
|
fdrive_type_t drive;
|
|
87 |
FDriveType drive;
|
88 |
88 |
uint8_t perpendicular; /* 2.88 MB access mode */
|
89 |
89 |
/* Position */
|
90 |
90 |
uint8_t head;
|
91 |
91 |
uint8_t track;
|
92 |
92 |
uint8_t sect;
|
93 |
93 |
/* Media */
|
94 |
|
fdisk_flags_t flags;
|
|
94 |
FDiskFlags flags;
|
95 |
95 |
uint8_t last_sect; /* Nb sector per track */
|
96 |
96 |
uint8_t max_track; /* Nb of tracks */
|
97 |
97 |
uint16_t bps; /* Bytes per sector */
|
98 |
98 |
uint8_t ro; /* Is read-only */
|
99 |
|
} fdrive_t;
|
|
99 |
} FDrive;
|
100 |
100 |
|
101 |
|
static void fd_init (fdrive_t *drv)
|
|
101 |
static void fd_init(FDrive *drv)
|
102 |
102 |
{
|
103 |
103 |
/* Drive */
|
104 |
104 |
drv->bs = drv->dinfo ? drv->dinfo->bdrv : NULL;
|
... | ... | |
116 |
116 |
}
|
117 |
117 |
|
118 |
118 |
/* Returns current position, in sectors, for given drive */
|
119 |
|
static int fd_sector (fdrive_t *drv)
|
|
119 |
static int fd_sector(FDrive *drv)
|
120 |
120 |
{
|
121 |
121 |
return _fd_sector(drv->head, drv->track, drv->sect, drv->last_sect);
|
122 |
122 |
}
|
... | ... | |
128 |
128 |
* returns 3 if sector is invalid
|
129 |
129 |
* returns 4 if seek is disabled
|
130 |
130 |
*/
|
131 |
|
static int fd_seek (fdrive_t *drv, uint8_t head, uint8_t track, uint8_t sect,
|
132 |
|
int enable_seek)
|
|
131 |
static int fd_seek(FDrive *drv, uint8_t head, uint8_t track, uint8_t sect,
|
|
132 |
int enable_seek)
|
133 |
133 |
{
|
134 |
134 |
uint32_t sector;
|
135 |
135 |
int ret;
|
... | ... | |
170 |
170 |
}
|
171 |
171 |
|
172 |
172 |
/* Set drive back to track 0 */
|
173 |
|
static void fd_recalibrate (fdrive_t *drv)
|
|
173 |
static void fd_recalibrate(FDrive *drv)
|
174 |
174 |
{
|
175 |
175 |
FLOPPY_DPRINTF("recalibrate\n");
|
176 |
176 |
drv->head = 0;
|
... | ... | |
179 |
179 |
}
|
180 |
180 |
|
181 |
181 |
/* Recognize floppy formats */
|
182 |
|
typedef struct fd_format_t {
|
183 |
|
fdrive_type_t drive;
|
184 |
|
fdisk_type_t disk;
|
|
182 |
typedef struct FDFormat {
|
|
183 |
FDriveType drive;
|
|
184 |
FDiskType disk;
|
185 |
185 |
uint8_t last_sect;
|
186 |
186 |
uint8_t max_track;
|
187 |
187 |
uint8_t max_head;
|
188 |
188 |
const char *str;
|
189 |
|
} fd_format_t;
|
|
189 |
} FDFormat;
|
190 |
190 |
|
191 |
|
static const fd_format_t fd_formats[] = {
|
|
191 |
static const FDFormat fd_formats[] = {
|
192 |
192 |
/* First entry is default format */
|
193 |
193 |
/* 1.44 MB 3"1/2 floppy disks */
|
194 |
194 |
{ FDRIVE_DRV_144, FDRIVE_DISK_144, 18, 80, 1, "1.44 MB 3\"1/2", },
|
... | ... | |
236 |
236 |
};
|
237 |
237 |
|
238 |
238 |
/* Revalidate a disk drive after a disk change */
|
239 |
|
static void fd_revalidate (fdrive_t *drv)
|
|
239 |
static void fd_revalidate(FDrive *drv)
|
240 |
240 |
{
|
241 |
|
const fd_format_t *parse;
|
|
241 |
const FDFormat *parse;
|
242 |
242 |
uint64_t nb_sectors, size;
|
243 |
243 |
int i, first_match, match;
|
244 |
244 |
int nb_heads, max_track, last_sect, ro;
|
... | ... | |
303 |
303 |
/********************************************************/
|
304 |
304 |
/* Intel 82078 floppy disk controller emulation */
|
305 |
305 |
|
306 |
|
static void fdctrl_reset (fdctrl_t *fdctrl, int do_irq);
|
307 |
|
static void fdctrl_reset_fifo (fdctrl_t *fdctrl);
|
|
306 |
static void fdctrl_reset(FDCtrl *fdctrl, int do_irq);
|
|
307 |
static void fdctrl_reset_fifo(FDCtrl *fdctrl);
|
308 |
308 |
static int fdctrl_transfer_handler (void *opaque, int nchan,
|
309 |
309 |
int dma_pos, int dma_len);
|
310 |
|
static void fdctrl_raise_irq (fdctrl_t *fdctrl, uint8_t status0);
|
311 |
|
|
312 |
|
static uint32_t fdctrl_read_statusA (fdctrl_t *fdctrl);
|
313 |
|
static uint32_t fdctrl_read_statusB (fdctrl_t *fdctrl);
|
314 |
|
static uint32_t fdctrl_read_dor (fdctrl_t *fdctrl);
|
315 |
|
static void fdctrl_write_dor (fdctrl_t *fdctrl, uint32_t value);
|
316 |
|
static uint32_t fdctrl_read_tape (fdctrl_t *fdctrl);
|
317 |
|
static void fdctrl_write_tape (fdctrl_t *fdctrl, uint32_t value);
|
318 |
|
static uint32_t fdctrl_read_main_status (fdctrl_t *fdctrl);
|
319 |
|
static void fdctrl_write_rate (fdctrl_t *fdctrl, uint32_t value);
|
320 |
|
static uint32_t fdctrl_read_data (fdctrl_t *fdctrl);
|
321 |
|
static void fdctrl_write_data (fdctrl_t *fdctrl, uint32_t value);
|
322 |
|
static uint32_t fdctrl_read_dir (fdctrl_t *fdctrl);
|
|
310 |
static void fdctrl_raise_irq(FDCtrl *fdctrl, uint8_t status0);
|
|
311 |
|
|
312 |
static uint32_t fdctrl_read_statusA(FDCtrl *fdctrl);
|
|
313 |
static uint32_t fdctrl_read_statusB(FDCtrl *fdctrl);
|
|
314 |
static uint32_t fdctrl_read_dor(FDCtrl *fdctrl);
|
|
315 |
static void fdctrl_write_dor(FDCtrl *fdctrl, uint32_t value);
|
|
316 |
static uint32_t fdctrl_read_tape(FDCtrl *fdctrl);
|
|
317 |
static void fdctrl_write_tape(FDCtrl *fdctrl, uint32_t value);
|
|
318 |
static uint32_t fdctrl_read_main_status(FDCtrl *fdctrl);
|
|
319 |
static void fdctrl_write_rate(FDCtrl *fdctrl, uint32_t value);
|
|
320 |
static uint32_t fdctrl_read_data(FDCtrl *fdctrl);
|
|
321 |
static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value);
|
|
322 |
static uint32_t fdctrl_read_dir(FDCtrl *fdctrl);
|
323 |
323 |
|
324 |
324 |
enum {
|
325 |
325 |
FD_DIR_WRITE = 0,
|
... | ... | |
471 |
471 |
#define FD_DID_SEEK(state) ((state) & FD_STATE_SEEK)
|
472 |
472 |
#define FD_FORMAT_CMD(state) ((state) & FD_STATE_FORMAT)
|
473 |
473 |
|
474 |
|
struct fdctrl_t {
|
|
474 |
struct FDCtrl {
|
475 |
475 |
/* Controller's identification */
|
476 |
476 |
uint8_t version;
|
477 |
477 |
/* HW */
|
... | ... | |
512 |
512 |
int sun4m;
|
513 |
513 |
/* Floppy drives */
|
514 |
514 |
uint8_t num_floppies;
|
515 |
|
fdrive_t drives[MAX_FD];
|
|
515 |
FDrive drives[MAX_FD];
|
516 |
516 |
int reset_sensei;
|
517 |
517 |
};
|
518 |
518 |
|
519 |
|
typedef struct fdctrl_sysbus_t {
|
|
519 |
typedef struct FDCtrlSysBus {
|
520 |
520 |
SysBusDevice busdev;
|
521 |
|
struct fdctrl_t state;
|
522 |
|
} fdctrl_sysbus_t;
|
|
521 |
struct FDCtrl state;
|
|
522 |
} FDCtrlSysBus;
|
523 |
523 |
|
524 |
|
typedef struct fdctrl_isabus_t {
|
|
524 |
typedef struct FDCtrlISABus {
|
525 |
525 |
ISADevice busdev;
|
526 |
|
struct fdctrl_t state;
|
527 |
|
} fdctrl_isabus_t;
|
|
526 |
struct FDCtrl state;
|
|
527 |
} FDCtrlISABus;
|
528 |
528 |
|
529 |
529 |
static uint32_t fdctrl_read (void *opaque, uint32_t reg)
|
530 |
530 |
{
|
531 |
|
fdctrl_t *fdctrl = opaque;
|
|
531 |
FDCtrl *fdctrl = opaque;
|
532 |
532 |
uint32_t retval;
|
533 |
533 |
|
534 |
534 |
switch (reg) {
|
... | ... | |
564 |
564 |
|
565 |
565 |
static void fdctrl_write (void *opaque, uint32_t reg, uint32_t value)
|
566 |
566 |
{
|
567 |
|
fdctrl_t *fdctrl = opaque;
|
|
567 |
FDCtrl *fdctrl = opaque;
|
568 |
568 |
|
569 |
569 |
FLOPPY_DPRINTF("write reg%d: 0x%02x\n", reg & 7, value);
|
570 |
570 |
|
... | ... | |
637 |
637 |
.minimum_version_id = 1,
|
638 |
638 |
.minimum_version_id_old = 1,
|
639 |
639 |
.fields = (VMStateField []) {
|
640 |
|
VMSTATE_UINT8(head, fdrive_t),
|
641 |
|
VMSTATE_UINT8(track, fdrive_t),
|
642 |
|
VMSTATE_UINT8(sect, fdrive_t),
|
|
640 |
VMSTATE_UINT8(head, FDrive),
|
|
641 |
VMSTATE_UINT8(track, FDrive),
|
|
642 |
VMSTATE_UINT8(sect, FDrive),
|
643 |
643 |
VMSTATE_END_OF_LIST()
|
644 |
644 |
}
|
645 |
645 |
};
|
646 |
646 |
|
647 |
647 |
static void fdc_pre_save(void *opaque)
|
648 |
648 |
{
|
649 |
|
fdctrl_t *s = opaque;
|
|
649 |
FDCtrl *s = opaque;
|
650 |
650 |
|
651 |
651 |
s->dor_vmstate = s->dor | GET_CUR_DRV(s);
|
652 |
652 |
}
|
653 |
653 |
|
654 |
654 |
static int fdc_post_load(void *opaque, int version_id)
|
655 |
655 |
{
|
656 |
|
fdctrl_t *s = opaque;
|
|
656 |
FDCtrl *s = opaque;
|
657 |
657 |
|
658 |
658 |
SET_CUR_DRV(s, s->dor_vmstate & FD_DOR_SELMASK);
|
659 |
659 |
s->dor = s->dor_vmstate & ~FD_DOR_SELMASK;
|
... | ... | |
669 |
669 |
.post_load = fdc_post_load,
|
670 |
670 |
.fields = (VMStateField []) {
|
671 |
671 |
/* Controller State */
|
672 |
|
VMSTATE_UINT8(sra, fdctrl_t),
|
673 |
|
VMSTATE_UINT8(srb, fdctrl_t),
|
674 |
|
VMSTATE_UINT8(dor_vmstate, fdctrl_t),
|
675 |
|
VMSTATE_UINT8(tdr, fdctrl_t),
|
676 |
|
VMSTATE_UINT8(dsr, fdctrl_t),
|
677 |
|
VMSTATE_UINT8(msr, fdctrl_t),
|
678 |
|
VMSTATE_UINT8(status0, fdctrl_t),
|
679 |
|
VMSTATE_UINT8(status1, fdctrl_t),
|
680 |
|
VMSTATE_UINT8(status2, fdctrl_t),
|
|
672 |
VMSTATE_UINT8(sra, FDCtrl),
|
|
673 |
VMSTATE_UINT8(srb, FDCtrl),
|
|
674 |
VMSTATE_UINT8(dor_vmstate, FDCtrl),
|
|
675 |
VMSTATE_UINT8(tdr, FDCtrl),
|
|
676 |
VMSTATE_UINT8(dsr, FDCtrl),
|
|
677 |
VMSTATE_UINT8(msr, FDCtrl),
|
|
678 |
VMSTATE_UINT8(status0, FDCtrl),
|
|
679 |
VMSTATE_UINT8(status1, FDCtrl),
|
|
680 |
VMSTATE_UINT8(status2, FDCtrl),
|
681 |
681 |
/* Command FIFO */
|
682 |
|
VMSTATE_VARRAY_INT32(fifo, fdctrl_t, fifo_size, 0, vmstate_info_uint8, uint8),
|
683 |
|
VMSTATE_UINT32(data_pos, fdctrl_t),
|
684 |
|
VMSTATE_UINT32(data_len, fdctrl_t),
|
685 |
|
VMSTATE_UINT8(data_state, fdctrl_t),
|
686 |
|
VMSTATE_UINT8(data_dir, fdctrl_t),
|
687 |
|
VMSTATE_UINT8(eot, fdctrl_t),
|
|
682 |
VMSTATE_VARRAY_INT32(fifo, FDCtrl, fifo_size, 0, vmstate_info_uint8, uint8),
|
|
683 |
VMSTATE_UINT32(data_pos, FDCtrl),
|
|
684 |
VMSTATE_UINT32(data_len, FDCtrl),
|
|
685 |
VMSTATE_UINT8(data_state, FDCtrl),
|
|
686 |
VMSTATE_UINT8(data_dir, FDCtrl),
|
|
687 |
VMSTATE_UINT8(eot, FDCtrl),
|
688 |
688 |
/* States kept only to be returned back */
|
689 |
|
VMSTATE_UINT8(timer0, fdctrl_t),
|
690 |
|
VMSTATE_UINT8(timer1, fdctrl_t),
|
691 |
|
VMSTATE_UINT8(precomp_trk, fdctrl_t),
|
692 |
|
VMSTATE_UINT8(config, fdctrl_t),
|
693 |
|
VMSTATE_UINT8(lock, fdctrl_t),
|
694 |
|
VMSTATE_UINT8(pwrd, fdctrl_t),
|
695 |
|
VMSTATE_UINT8_EQUAL(num_floppies, fdctrl_t),
|
696 |
|
VMSTATE_STRUCT_ARRAY(drives, fdctrl_t, MAX_FD, 1,
|
697 |
|
vmstate_fdrive, fdrive_t),
|
|
689 |
VMSTATE_UINT8(timer0, FDCtrl),
|
|
690 |
VMSTATE_UINT8(timer1, FDCtrl),
|
|
691 |
VMSTATE_UINT8(precomp_trk, FDCtrl),
|
|
692 |
VMSTATE_UINT8(config, FDCtrl),
|
|
693 |
VMSTATE_UINT8(lock, FDCtrl),
|
|
694 |
VMSTATE_UINT8(pwrd, FDCtrl),
|
|
695 |
VMSTATE_UINT8_EQUAL(num_floppies, FDCtrl),
|
|
696 |
VMSTATE_STRUCT_ARRAY(drives, FDCtrl, MAX_FD, 1,
|
|
697 |
vmstate_fdrive, FDrive),
|
698 |
698 |
VMSTATE_END_OF_LIST()
|
699 |
699 |
}
|
700 |
700 |
};
|
701 |
701 |
|
702 |
702 |
static void fdctrl_external_reset_sysbus(DeviceState *d)
|
703 |
703 |
{
|
704 |
|
fdctrl_sysbus_t *sys = container_of(d, fdctrl_sysbus_t, busdev.qdev);
|
705 |
|
fdctrl_t *s = &sys->state;
|
|
704 |
FDCtrlSysBus *sys = container_of(d, FDCtrlSysBus, busdev.qdev);
|
|
705 |
FDCtrl *s = &sys->state;
|
706 |
706 |
|
707 |
707 |
fdctrl_reset(s, 0);
|
708 |
708 |
}
|
709 |
709 |
|
710 |
710 |
static void fdctrl_external_reset_isa(DeviceState *d)
|
711 |
711 |
{
|
712 |
|
fdctrl_isabus_t *isa = container_of(d, fdctrl_isabus_t, busdev.qdev);
|
713 |
|
fdctrl_t *s = &isa->state;
|
|
712 |
FDCtrlISABus *isa = container_of(d, FDCtrlISABus, busdev.qdev);
|
|
713 |
FDCtrl *s = &isa->state;
|
714 |
714 |
|
715 |
715 |
fdctrl_reset(s, 0);
|
716 |
716 |
}
|
717 |
717 |
|
718 |
718 |
static void fdctrl_handle_tc(void *opaque, int irq, int level)
|
719 |
719 |
{
|
720 |
|
//fdctrl_t *s = opaque;
|
|
720 |
//FDCtrl *s = opaque;
|
721 |
721 |
|
722 |
722 |
if (level) {
|
723 |
723 |
// XXX
|
... | ... | |
726 |
726 |
}
|
727 |
727 |
|
728 |
728 |
/* XXX: may change if moved to bdrv */
|
729 |
|
int fdctrl_get_drive_type(fdctrl_t *fdctrl, int drive_num)
|
|
729 |
int fdctrl_get_drive_type(FDCtrl *fdctrl, int drive_num)
|
730 |
730 |
{
|
731 |
731 |
return fdctrl->drives[drive_num].drive;
|
732 |
732 |
}
|
733 |
733 |
|
734 |
734 |
/* Change IRQ state */
|
735 |
|
static void fdctrl_reset_irq (fdctrl_t *fdctrl)
|
|
735 |
static void fdctrl_reset_irq(FDCtrl *fdctrl)
|
736 |
736 |
{
|
737 |
737 |
if (!(fdctrl->sra & FD_SRA_INTPEND))
|
738 |
738 |
return;
|
... | ... | |
741 |
741 |
fdctrl->sra &= ~FD_SRA_INTPEND;
|
742 |
742 |
}
|
743 |
743 |
|
744 |
|
static void fdctrl_raise_irq (fdctrl_t *fdctrl, uint8_t status0)
|
|
744 |
static void fdctrl_raise_irq(FDCtrl *fdctrl, uint8_t status0)
|
745 |
745 |
{
|
746 |
746 |
/* Sparc mutation */
|
747 |
747 |
if (fdctrl->sun4m && (fdctrl->msr & FD_MSR_CMDBUSY)) {
|
... | ... | |
761 |
761 |
}
|
762 |
762 |
|
763 |
763 |
/* Reset controller */
|
764 |
|
static void fdctrl_reset (fdctrl_t *fdctrl, int do_irq)
|
|
764 |
static void fdctrl_reset(FDCtrl *fdctrl, int do_irq)
|
765 |
765 |
{
|
766 |
766 |
int i;
|
767 |
767 |
|
... | ... | |
790 |
790 |
}
|
791 |
791 |
}
|
792 |
792 |
|
793 |
|
static inline fdrive_t *drv0 (fdctrl_t *fdctrl)
|
|
793 |
static inline FDrive *drv0(FDCtrl *fdctrl)
|
794 |
794 |
{
|
795 |
795 |
return &fdctrl->drives[(fdctrl->tdr & FD_TDR_BOOTSEL) >> 2];
|
796 |
796 |
}
|
797 |
797 |
|
798 |
|
static inline fdrive_t *drv1 (fdctrl_t *fdctrl)
|
|
798 |
static inline FDrive *drv1(FDCtrl *fdctrl)
|
799 |
799 |
{
|
800 |
800 |
if ((fdctrl->tdr & FD_TDR_BOOTSEL) < (1 << 2))
|
801 |
801 |
return &fdctrl->drives[1];
|
... | ... | |
804 |
804 |
}
|
805 |
805 |
|
806 |
806 |
#if MAX_FD == 4
|
807 |
|
static inline fdrive_t *drv2 (fdctrl_t *fdctrl)
|
|
807 |
static inline FDrive *drv2(FDCtrl *fdctrl)
|
808 |
808 |
{
|
809 |
809 |
if ((fdctrl->tdr & FD_TDR_BOOTSEL) < (2 << 2))
|
810 |
810 |
return &fdctrl->drives[2];
|
... | ... | |
812 |
812 |
return &fdctrl->drives[1];
|
813 |
813 |
}
|
814 |
814 |
|
815 |
|
static inline fdrive_t *drv3 (fdctrl_t *fdctrl)
|
|
815 |
static inline FDrive *drv3(FDCtrl *fdctrl)
|
816 |
816 |
{
|
817 |
817 |
if ((fdctrl->tdr & FD_TDR_BOOTSEL) < (3 << 2))
|
818 |
818 |
return &fdctrl->drives[3];
|
... | ... | |
821 |
821 |
}
|
822 |
822 |
#endif
|
823 |
823 |
|
824 |
|
static fdrive_t *get_cur_drv (fdctrl_t *fdctrl)
|
|
824 |
static FDrive *get_cur_drv(FDCtrl *fdctrl)
|
825 |
825 |
{
|
826 |
826 |
switch (fdctrl->cur_drv) {
|
827 |
827 |
case 0: return drv0(fdctrl);
|
... | ... | |
835 |
835 |
}
|
836 |
836 |
|
837 |
837 |
/* Status A register : 0x00 (read-only) */
|
838 |
|
static uint32_t fdctrl_read_statusA (fdctrl_t *fdctrl)
|
|
838 |
static uint32_t fdctrl_read_statusA(FDCtrl *fdctrl)
|
839 |
839 |
{
|
840 |
840 |
uint32_t retval = fdctrl->sra;
|
841 |
841 |
|
... | ... | |
845 |
845 |
}
|
846 |
846 |
|
847 |
847 |
/* Status B register : 0x01 (read-only) */
|
848 |
|
static uint32_t fdctrl_read_statusB (fdctrl_t *fdctrl)
|
|
848 |
static uint32_t fdctrl_read_statusB(FDCtrl *fdctrl)
|
849 |
849 |
{
|
850 |
850 |
uint32_t retval = fdctrl->srb;
|
851 |
851 |
|
... | ... | |
855 |
855 |
}
|
856 |
856 |
|
857 |
857 |
/* Digital output register : 0x02 */
|
858 |
|
static uint32_t fdctrl_read_dor (fdctrl_t *fdctrl)
|
|
858 |
static uint32_t fdctrl_read_dor(FDCtrl *fdctrl)
|
859 |
859 |
{
|
860 |
860 |
uint32_t retval = fdctrl->dor;
|
861 |
861 |
|
... | ... | |
866 |
866 |
return retval;
|
867 |
867 |
}
|
868 |
868 |
|
869 |
|
static void fdctrl_write_dor (fdctrl_t *fdctrl, uint32_t value)
|
|
869 |
static void fdctrl_write_dor(FDCtrl *fdctrl, uint32_t value)
|
870 |
870 |
{
|
871 |
871 |
FLOPPY_DPRINTF("digital output register set to 0x%02x\n", value);
|
872 |
872 |
|
... | ... | |
905 |
905 |
}
|
906 |
906 |
|
907 |
907 |
/* Tape drive register : 0x03 */
|
908 |
|
static uint32_t fdctrl_read_tape (fdctrl_t *fdctrl)
|
|
908 |
static uint32_t fdctrl_read_tape(FDCtrl *fdctrl)
|
909 |
909 |
{
|
910 |
910 |
uint32_t retval = fdctrl->tdr;
|
911 |
911 |
|
... | ... | |
914 |
914 |
return retval;
|
915 |
915 |
}
|
916 |
916 |
|
917 |
|
static void fdctrl_write_tape (fdctrl_t *fdctrl, uint32_t value)
|
|
917 |
static void fdctrl_write_tape(FDCtrl *fdctrl, uint32_t value)
|
918 |
918 |
{
|
919 |
919 |
/* Reset mode */
|
920 |
920 |
if (!(fdctrl->dor & FD_DOR_nRESET)) {
|
... | ... | |
928 |
928 |
}
|
929 |
929 |
|
930 |
930 |
/* Main status register : 0x04 (read) */
|
931 |
|
static uint32_t fdctrl_read_main_status (fdctrl_t *fdctrl)
|
|
931 |
static uint32_t fdctrl_read_main_status(FDCtrl *fdctrl)
|
932 |
932 |
{
|
933 |
933 |
uint32_t retval = fdctrl->msr;
|
934 |
934 |
|
... | ... | |
947 |
947 |
}
|
948 |
948 |
|
949 |
949 |
/* Data select rate register : 0x04 (write) */
|
950 |
|
static void fdctrl_write_rate (fdctrl_t *fdctrl, uint32_t value)
|
|
950 |
static void fdctrl_write_rate(FDCtrl *fdctrl, uint32_t value)
|
951 |
951 |
{
|
952 |
952 |
/* Reset mode */
|
953 |
953 |
if (!(fdctrl->dor & FD_DOR_nRESET)) {
|
... | ... | |
967 |
967 |
fdctrl->dsr = value;
|
968 |
968 |
}
|
969 |
969 |
|
970 |
|
static int fdctrl_media_changed(fdrive_t *drv)
|
|
970 |
static int fdctrl_media_changed(FDrive *drv)
|
971 |
971 |
{
|
972 |
972 |
int ret;
|
973 |
973 |
|
... | ... | |
981 |
981 |
}
|
982 |
982 |
|
983 |
983 |
/* Digital input register : 0x07 (read-only) */
|
984 |
|
static uint32_t fdctrl_read_dir (fdctrl_t *fdctrl)
|
|
984 |
static uint32_t fdctrl_read_dir(FDCtrl *fdctrl)
|
985 |
985 |
{
|
986 |
986 |
uint32_t retval = 0;
|
987 |
987 |
|
... | ... | |
1000 |
1000 |
}
|
1001 |
1001 |
|
1002 |
1002 |
/* FIFO state control */
|
1003 |
|
static void fdctrl_reset_fifo (fdctrl_t *fdctrl)
|
|
1003 |
static void fdctrl_reset_fifo(FDCtrl *fdctrl)
|
1004 |
1004 |
{
|
1005 |
1005 |
fdctrl->data_dir = FD_DIR_WRITE;
|
1006 |
1006 |
fdctrl->data_pos = 0;
|
... | ... | |
1008 |
1008 |
}
|
1009 |
1009 |
|
1010 |
1010 |
/* Set FIFO status for the host to read */
|
1011 |
|
static void fdctrl_set_fifo (fdctrl_t *fdctrl, int fifo_len, int do_irq)
|
|
1011 |
static void fdctrl_set_fifo(FDCtrl *fdctrl, int fifo_len, int do_irq)
|
1012 |
1012 |
{
|
1013 |
1013 |
fdctrl->data_dir = FD_DIR_READ;
|
1014 |
1014 |
fdctrl->data_len = fifo_len;
|
... | ... | |
1019 |
1019 |
}
|
1020 |
1020 |
|
1021 |
1021 |
/* Set an error: unimplemented/unknown command */
|
1022 |
|
static void fdctrl_unimplemented (fdctrl_t *fdctrl, int direction)
|
|
1022 |
static void fdctrl_unimplemented(FDCtrl *fdctrl, int direction)
|
1023 |
1023 |
{
|
1024 |
1024 |
FLOPPY_ERROR("unimplemented command 0x%02x\n", fdctrl->fifo[0]);
|
1025 |
1025 |
fdctrl->fifo[0] = FD_SR0_INVCMD;
|
... | ... | |
1027 |
1027 |
}
|
1028 |
1028 |
|
1029 |
1029 |
/* Seek to next sector */
|
1030 |
|
static int fdctrl_seek_to_next_sect (fdctrl_t *fdctrl, fdrive_t *cur_drv)
|
|
1030 |
static int fdctrl_seek_to_next_sect(FDCtrl *fdctrl, FDrive *cur_drv)
|
1031 |
1031 |
{
|
1032 |
1032 |
FLOPPY_DPRINTF("seek to next sector (%d %02x %02x => %d)\n",
|
1033 |
1033 |
cur_drv->head, cur_drv->track, cur_drv->sect,
|
... | ... | |
1061 |
1061 |
}
|
1062 |
1062 |
|
1063 |
1063 |
/* Callback for transfer end (stop or abort) */
|
1064 |
|
static void fdctrl_stop_transfer (fdctrl_t *fdctrl, uint8_t status0,
|
1065 |
|
uint8_t status1, uint8_t status2)
|
|
1064 |
static void fdctrl_stop_transfer(FDCtrl *fdctrl, uint8_t status0,
|
|
1065 |
uint8_t status1, uint8_t status2)
|
1066 |
1066 |
{
|
1067 |
|
fdrive_t *cur_drv;
|
|
1067 |
FDrive *cur_drv;
|
1068 |
1068 |
|
1069 |
1069 |
cur_drv = get_cur_drv(fdctrl);
|
1070 |
1070 |
FLOPPY_DPRINTF("transfer status: %02x %02x %02x (%02x)\n",
|
... | ... | |
1087 |
1087 |
}
|
1088 |
1088 |
|
1089 |
1089 |
/* Prepare a data transfer (either DMA or FIFO) */
|
1090 |
|
static void fdctrl_start_transfer (fdctrl_t *fdctrl, int direction)
|
|
1090 |
static void fdctrl_start_transfer(FDCtrl *fdctrl, int direction)
|
1091 |
1091 |
{
|
1092 |
|
fdrive_t *cur_drv;
|
|
1092 |
FDrive *cur_drv;
|
1093 |
1093 |
uint8_t kh, kt, ks;
|
1094 |
1094 |
int did_seek = 0;
|
1095 |
1095 |
|
... | ... | |
1189 |
1189 |
}
|
1190 |
1190 |
|
1191 |
1191 |
/* Prepare a transfer of deleted data */
|
1192 |
|
static void fdctrl_start_transfer_del (fdctrl_t *fdctrl, int direction)
|
|
1192 |
static void fdctrl_start_transfer_del(FDCtrl *fdctrl, int direction)
|
1193 |
1193 |
{
|
1194 |
1194 |
FLOPPY_ERROR("fdctrl_start_transfer_del() unimplemented\n");
|
1195 |
1195 |
|
... | ... | |
1203 |
1203 |
static int fdctrl_transfer_handler (void *opaque, int nchan,
|
1204 |
1204 |
int dma_pos, int dma_len)
|
1205 |
1205 |
{
|
1206 |
|
fdctrl_t *fdctrl;
|
1207 |
|
fdrive_t *cur_drv;
|
|
1206 |
FDCtrl *fdctrl;
|
|
1207 |
FDrive *cur_drv;
|
1208 |
1208 |
int len, start_pos, rel_pos;
|
1209 |
1209 |
uint8_t status0 = 0x00, status1 = 0x00, status2 = 0x00;
|
1210 |
1210 |
|
... | ... | |
1310 |
1310 |
}
|
1311 |
1311 |
|
1312 |
1312 |
/* Data register : 0x05 */
|
1313 |
|
static uint32_t fdctrl_read_data (fdctrl_t *fdctrl)
|
|
1313 |
static uint32_t fdctrl_read_data(FDCtrl *fdctrl)
|
1314 |
1314 |
{
|
1315 |
|
fdrive_t *cur_drv;
|
|
1315 |
FDrive *cur_drv;
|
1316 |
1316 |
uint32_t retval = 0;
|
1317 |
1317 |
int pos;
|
1318 |
1318 |
|
... | ... | |
1358 |
1358 |
return retval;
|
1359 |
1359 |
}
|
1360 |
1360 |
|
1361 |
|
static void fdctrl_format_sector (fdctrl_t *fdctrl)
|
|
1361 |
static void fdctrl_format_sector(FDCtrl *fdctrl)
|
1362 |
1362 |
{
|
1363 |
|
fdrive_t *cur_drv;
|
|
1363 |
FDrive *cur_drv;
|
1364 |
1364 |
uint8_t kh, kt, ks;
|
1365 |
1365 |
|
1366 |
1366 |
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
... | ... | |
1420 |
1420 |
}
|
1421 |
1421 |
}
|
1422 |
1422 |
|
1423 |
|
static void fdctrl_handle_lock (fdctrl_t *fdctrl, int direction)
|
|
1423 |
static void fdctrl_handle_lock(FDCtrl *fdctrl, int direction)
|
1424 |
1424 |
{
|
1425 |
1425 |
fdctrl->lock = (fdctrl->fifo[0] & 0x80) ? 1 : 0;
|
1426 |
1426 |
fdctrl->fifo[0] = fdctrl->lock << 4;
|
1427 |
1427 |
fdctrl_set_fifo(fdctrl, 1, fdctrl->lock);
|
1428 |
1428 |
}
|
1429 |
1429 |
|
1430 |
|
static void fdctrl_handle_dumpreg (fdctrl_t *fdctrl, int direction)
|
|
1430 |
static void fdctrl_handle_dumpreg(FDCtrl *fdctrl, int direction)
|
1431 |
1431 |
{
|
1432 |
|
fdrive_t *cur_drv = get_cur_drv(fdctrl);
|
|
1432 |
FDrive *cur_drv = get_cur_drv(fdctrl);
|
1433 |
1433 |
|
1434 |
1434 |
/* Drives position */
|
1435 |
1435 |
fdctrl->fifo[0] = drv0(fdctrl)->track;
|
... | ... | |
1452 |
1452 |
fdctrl_set_fifo(fdctrl, 10, 0);
|
1453 |
1453 |
}
|
1454 |
1454 |
|
1455 |
|
static void fdctrl_handle_version (fdctrl_t *fdctrl, int direction)
|
|
1455 |
static void fdctrl_handle_version(FDCtrl *fdctrl, int direction)
|
1456 |
1456 |
{
|
1457 |
1457 |
/* Controller's version */
|
1458 |
1458 |
fdctrl->fifo[0] = fdctrl->version;
|
1459 |
1459 |
fdctrl_set_fifo(fdctrl, 1, 1);
|
1460 |
1460 |
}
|
1461 |
1461 |
|
1462 |
|
static void fdctrl_handle_partid (fdctrl_t *fdctrl, int direction)
|
|
1462 |
static void fdctrl_handle_partid(FDCtrl *fdctrl, int direction)
|
1463 |
1463 |
{
|
1464 |
1464 |
fdctrl->fifo[0] = 0x41; /* Stepping 1 */
|
1465 |
1465 |
fdctrl_set_fifo(fdctrl, 1, 0);
|
1466 |
1466 |
}
|
1467 |
1467 |
|
1468 |
|
static void fdctrl_handle_restore (fdctrl_t *fdctrl, int direction)
|
|
1468 |
static void fdctrl_handle_restore(FDCtrl *fdctrl, int direction)
|
1469 |
1469 |
{
|
1470 |
|
fdrive_t *cur_drv = get_cur_drv(fdctrl);
|
|
1470 |
FDrive *cur_drv = get_cur_drv(fdctrl);
|
1471 |
1471 |
|
1472 |
1472 |
/* Drives position */
|
1473 |
1473 |
drv0(fdctrl)->track = fdctrl->fifo[3];
|
... | ... | |
1488 |
1488 |
fdctrl_reset_fifo(fdctrl);
|
1489 |
1489 |
}
|
1490 |
1490 |
|
1491 |
|
static void fdctrl_handle_save (fdctrl_t *fdctrl, int direction)
|
|
1491 |
static void fdctrl_handle_save(FDCtrl *fdctrl, int direction)
|
1492 |
1492 |
{
|
1493 |
|
fdrive_t *cur_drv = get_cur_drv(fdctrl);
|
|
1493 |
FDrive *cur_drv = get_cur_drv(fdctrl);
|
1494 |
1494 |
|
1495 |
1495 |
fdctrl->fifo[0] = 0;
|
1496 |
1496 |
fdctrl->fifo[1] = 0;
|
... | ... | |
1518 |
1518 |
fdctrl_set_fifo(fdctrl, 15, 1);
|
1519 |
1519 |
}
|
1520 |
1520 |
|
1521 |
|
static void fdctrl_handle_readid (fdctrl_t *fdctrl, int direction)
|
|
1521 |
static void fdctrl_handle_readid(FDCtrl *fdctrl, int direction)
|
1522 |
1522 |
{
|
1523 |
|
fdrive_t *cur_drv = get_cur_drv(fdctrl);
|
|
1523 |
FDrive *cur_drv = get_cur_drv(fdctrl);
|
1524 |
1524 |
|
1525 |
1525 |
/* XXX: should set main status register to busy */
|
1526 |
1526 |
cur_drv->head = (fdctrl->fifo[1] >> 2) & 1;
|
... | ... | |
1528 |
1528 |
qemu_get_clock(vm_clock) + (get_ticks_per_sec() / 50));
|
1529 |
1529 |
}
|
1530 |
1530 |
|
1531 |
|
static void fdctrl_handle_format_track (fdctrl_t *fdctrl, int direction)
|
|
1531 |
static void fdctrl_handle_format_track(FDCtrl *fdctrl, int direction)
|
1532 |
1532 |
{
|
1533 |
|
fdrive_t *cur_drv;
|
|
1533 |
FDrive *cur_drv;
|
1534 |
1534 |
|
1535 |
1535 |
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
1536 |
1536 |
cur_drv = get_cur_drv(fdctrl);
|
... | ... | |
1557 |
1557 |
fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00);
|
1558 |
1558 |
}
|
1559 |
1559 |
|
1560 |
|
static void fdctrl_handle_specify (fdctrl_t *fdctrl, int direction)
|
|
1560 |
static void fdctrl_handle_specify(FDCtrl *fdctrl, int direction)
|
1561 |
1561 |
{
|
1562 |
1562 |
fdctrl->timer0 = (fdctrl->fifo[1] >> 4) & 0xF;
|
1563 |
1563 |
fdctrl->timer1 = fdctrl->fifo[2] >> 1;
|
... | ... | |
1569 |
1569 |
fdctrl_reset_fifo(fdctrl);
|
1570 |
1570 |
}
|
1571 |
1571 |
|
1572 |
|
static void fdctrl_handle_sense_drive_status (fdctrl_t *fdctrl, int direction)
|
|
1572 |
static void fdctrl_handle_sense_drive_status(FDCtrl *fdctrl, int direction)
|
1573 |
1573 |
{
|
1574 |
|
fdrive_t *cur_drv;
|
|
1574 |
FDrive *cur_drv;
|
1575 |
1575 |
|
1576 |
1576 |
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
1577 |
1577 |
cur_drv = get_cur_drv(fdctrl);
|
... | ... | |
1585 |
1585 |
fdctrl_set_fifo(fdctrl, 1, 0);
|
1586 |
1586 |
}
|
1587 |
1587 |
|
1588 |
|
static void fdctrl_handle_recalibrate (fdctrl_t *fdctrl, int direction)
|
|
1588 |
static void fdctrl_handle_recalibrate(FDCtrl *fdctrl, int direction)
|
1589 |
1589 |
{
|
1590 |
|
fdrive_t *cur_drv;
|
|
1590 |
FDrive *cur_drv;
|
1591 |
1591 |
|
1592 |
1592 |
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
1593 |
1593 |
cur_drv = get_cur_drv(fdctrl);
|
... | ... | |
1597 |
1597 |
fdctrl_raise_irq(fdctrl, FD_SR0_SEEK);
|
1598 |
1598 |
}
|
1599 |
1599 |
|
1600 |
|
static void fdctrl_handle_sense_interrupt_status (fdctrl_t *fdctrl, int direction)
|
|
1600 |
static void fdctrl_handle_sense_interrupt_status(FDCtrl *fdctrl, int direction)
|
1601 |
1601 |
{
|
1602 |
|
fdrive_t *cur_drv = get_cur_drv(fdctrl);
|
|
1602 |
FDrive *cur_drv = get_cur_drv(fdctrl);
|
1603 |
1603 |
|
1604 |
1604 |
if(fdctrl->reset_sensei > 0) {
|
1605 |
1605 |
fdctrl->fifo[0] =
|
... | ... | |
1619 |
1619 |
fdctrl->status0 = FD_SR0_RDYCHG;
|
1620 |
1620 |
}
|
1621 |
1621 |
|
1622 |
|
static void fdctrl_handle_seek (fdctrl_t *fdctrl, int direction)
|
|
1622 |
static void fdctrl_handle_seek(FDCtrl *fdctrl, int direction)
|
1623 |
1623 |
{
|
1624 |
|
fdrive_t *cur_drv;
|
|
1624 |
FDrive *cur_drv;
|
1625 |
1625 |
|
1626 |
1626 |
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
1627 |
1627 |
cur_drv = get_cur_drv(fdctrl);
|
... | ... | |
1635 |
1635 |
}
|
1636 |
1636 |
}
|
1637 |
1637 |
|
1638 |
|
static void fdctrl_handle_perpendicular_mode (fdctrl_t *fdctrl, int direction)
|
|
1638 |
static void fdctrl_handle_perpendicular_mode(FDCtrl *fdctrl, int direction)
|
1639 |
1639 |
{
|
1640 |
|
fdrive_t *cur_drv = get_cur_drv(fdctrl);
|
|
1640 |
FDrive *cur_drv = get_cur_drv(fdctrl);
|
1641 |
1641 |
|
1642 |
1642 |
if (fdctrl->fifo[1] & 0x80)
|
1643 |
1643 |
cur_drv->perpendicular = fdctrl->fifo[1] & 0x7;
|
... | ... | |
1645 |
1645 |
fdctrl_reset_fifo(fdctrl);
|
1646 |
1646 |
}
|
1647 |
1647 |
|
1648 |
|
static void fdctrl_handle_configure (fdctrl_t *fdctrl, int direction)
|
|
1648 |
static void fdctrl_handle_configure(FDCtrl *fdctrl, int direction)
|
1649 |
1649 |
{
|
1650 |
1650 |
fdctrl->config = fdctrl->fifo[2];
|
1651 |
1651 |
fdctrl->precomp_trk = fdctrl->fifo[3];
|
... | ... | |
1653 |
1653 |
fdctrl_reset_fifo(fdctrl);
|
1654 |
1654 |
}
|
1655 |
1655 |
|
1656 |
|
static void fdctrl_handle_powerdown_mode (fdctrl_t *fdctrl, int direction)
|
|
1656 |
static void fdctrl_handle_powerdown_mode(FDCtrl *fdctrl, int direction)
|
1657 |
1657 |
{
|
1658 |
1658 |
fdctrl->pwrd = fdctrl->fifo[1];
|
1659 |
1659 |
fdctrl->fifo[0] = fdctrl->fifo[1];
|
1660 |
1660 |
fdctrl_set_fifo(fdctrl, 1, 1);
|
1661 |
1661 |
}
|
1662 |
1662 |
|
1663 |
|
static void fdctrl_handle_option (fdctrl_t *fdctrl, int direction)
|
|
1663 |
static void fdctrl_handle_option(FDCtrl *fdctrl, int direction)
|
1664 |
1664 |
{
|
1665 |
1665 |
/* No result back */
|
1666 |
1666 |
fdctrl_reset_fifo(fdctrl);
|
1667 |
1667 |
}
|
1668 |
1668 |
|
1669 |
|
static void fdctrl_handle_drive_specification_command (fdctrl_t *fdctrl, int direction)
|
|
1669 |
static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direction)
|
1670 |
1670 |
{
|
1671 |
|
fdrive_t *cur_drv = get_cur_drv(fdctrl);
|
|
1671 |
FDrive *cur_drv = get_cur_drv(fdctrl);
|
1672 |
1672 |
|
1673 |
1673 |
if (fdctrl->fifo[fdctrl->data_pos - 1] & 0x80) {
|
1674 |
1674 |
/* Command parameters done */
|
... | ... | |
1688 |
1688 |
}
|
1689 |
1689 |
}
|
1690 |
1690 |
|
1691 |
|
static void fdctrl_handle_relative_seek_out (fdctrl_t *fdctrl, int direction)
|
|
1691 |
static void fdctrl_handle_relative_seek_out(FDCtrl *fdctrl, int direction)
|
1692 |
1692 |
{
|
1693 |
|
fdrive_t *cur_drv;
|
|
1693 |
FDrive *cur_drv;
|
1694 |
1694 |
|
1695 |
1695 |
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
1696 |
1696 |
cur_drv = get_cur_drv(fdctrl);
|
... | ... | |
1704 |
1704 |
fdctrl_raise_irq(fdctrl, FD_SR0_SEEK);
|
1705 |
1705 |
}
|
1706 |
1706 |
|
1707 |
|
static void fdctrl_handle_relative_seek_in (fdctrl_t *fdctrl, int direction)
|
|
1707 |
static void fdctrl_handle_relative_seek_in(FDCtrl *fdctrl, int direction)
|
1708 |
1708 |
{
|
1709 |
|
fdrive_t *cur_drv;
|
|
1709 |
FDrive *cur_drv;
|
1710 |
1710 |
|
1711 |
1711 |
SET_CUR_DRV(fdctrl, fdctrl->fifo[1] & FD_DOR_SELMASK);
|
1712 |
1712 |
cur_drv = get_cur_drv(fdctrl);
|
... | ... | |
1725 |
1725 |
uint8_t mask;
|
1726 |
1726 |
const char* name;
|
1727 |
1727 |
int parameters;
|
1728 |
|
void (*handler)(fdctrl_t *fdctrl, int direction);
|
|
1728 |
void (*handler)(FDCtrl *fdctrl, int direction);
|
1729 |
1729 |
int direction;
|
1730 |
1730 |
} handlers[] = {
|
1731 |
1731 |
{ FD_CMD_READ, 0x1f, "READ", 8, fdctrl_start_transfer, FD_DIR_READ },
|
... | ... | |
1764 |
1764 |
/* Associate command to an index in the 'handlers' array */
|
1765 |
1765 |
static uint8_t command_to_handler[256];
|
1766 |
1766 |
|
1767 |
|
static void fdctrl_write_data (fdctrl_t *fdctrl, uint32_t value)
|
|
1767 |
static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value)
|
1768 |
1768 |
{
|
1769 |
|
fdrive_t *cur_drv;
|
|
1769 |
FDrive *cur_drv;
|
1770 |
1770 |
int pos;
|
1771 |
1771 |
|
1772 |
1772 |
/* Reset mode */
|
... | ... | |
1831 |
1831 |
|
1832 |
1832 |
static void fdctrl_result_timer(void *opaque)
|
1833 |
1833 |
{
|
1834 |
|
fdctrl_t *fdctrl = opaque;
|
1835 |
|
fdrive_t *cur_drv = get_cur_drv(fdctrl);
|
|
1834 |
FDCtrl *fdctrl = opaque;
|
|
1835 |
FDrive *cur_drv = get_cur_drv(fdctrl);
|
1836 |
1836 |
|
1837 |
1837 |
/* Pretend we are spinning.
|
1838 |
1838 |
* This is needed for Coherent, which uses READ ID to check for
|
... | ... | |
1845 |
1845 |
}
|
1846 |
1846 |
|
1847 |
1847 |
/* Init functions */
|
1848 |
|
static void fdctrl_connect_drives(fdctrl_t *fdctrl)
|
|
1848 |
static void fdctrl_connect_drives(FDCtrl *fdctrl)
|
1849 |
1849 |
{
|
1850 |
1850 |
unsigned int i;
|
1851 |
1851 |
|
... | ... | |
1855 |
1855 |
}
|
1856 |
1856 |
}
|
1857 |
1857 |
|
1858 |
|
fdctrl_t *fdctrl_init_isa(DriveInfo **fds)
|
|
1858 |
FDCtrl *fdctrl_init_isa(DriveInfo **fds)
|
1859 |
1859 |
{
|
1860 |
1860 |
ISADevice *dev;
|
1861 |
1861 |
|
... | ... | |
1864 |
1864 |
qdev_prop_set_drive(&dev->qdev, "driveB", fds[1]);
|
1865 |
1865 |
if (qdev_init(&dev->qdev) < 0)
|
1866 |
1866 |
return NULL;
|
1867 |
|
return &(DO_UPCAST(fdctrl_isabus_t, busdev, dev)->state);
|
|
1867 |
return &(DO_UPCAST(FDCtrlISABus, busdev, dev)->state);
|
1868 |
1868 |
}
|
1869 |
1869 |
|
1870 |
|
fdctrl_t *fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
|
1871 |
|
target_phys_addr_t mmio_base,
|
1872 |
|
DriveInfo **fds)
|
|
1870 |
FDCtrl *fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
|
|
1871 |
target_phys_addr_t mmio_base, DriveInfo **fds)
|
1873 |
1872 |
{
|
1874 |
|
fdctrl_t *fdctrl;
|
|
1873 |
FDCtrl *fdctrl;
|
1875 |
1874 |
DeviceState *dev;
|
1876 |
|
fdctrl_sysbus_t *sys;
|
|
1875 |
FDCtrlSysBus *sys;
|
1877 |
1876 |
|
1878 |
1877 |
dev = qdev_create(NULL, "sysbus-fdc");
|
1879 |
|
sys = DO_UPCAST(fdctrl_sysbus_t, busdev.qdev, dev);
|
|
1878 |
sys = DO_UPCAST(FDCtrlSysBus, busdev.qdev, dev);
|
1880 |
1879 |
fdctrl = &sys->state;
|
1881 |
1880 |
fdctrl->dma_chann = dma_chann; /* FIXME */
|
1882 |
1881 |
qdev_prop_set_drive(dev, "driveA", fds[0]);
|
... | ... | |
1888 |
1887 |
return fdctrl;
|
1889 |
1888 |
}
|
1890 |
1889 |
|
1891 |
|
fdctrl_t *sun4m_fdctrl_init (qemu_irq irq, target_phys_addr_t io_base,
|
1892 |
|
DriveInfo **fds, qemu_irq *fdc_tc)
|
|
1890 |
FDCtrl *sun4m_fdctrl_init(qemu_irq irq, target_phys_addr_t io_base,
|
|
1891 |
DriveInfo **fds, qemu_irq *fdc_tc)
|
1893 |
1892 |
{
|
1894 |
1893 |
DeviceState *dev;
|
1895 |
|
fdctrl_sysbus_t *sys;
|
1896 |
|
fdctrl_t *fdctrl;
|
|
1894 |
FDCtrlSysBus *sys;
|
|
1895 |
FDCtrl *fdctrl;
|
1897 |
1896 |
|
1898 |
1897 |
dev = qdev_create(NULL, "SUNW,fdtwo");
|
1899 |
1898 |
qdev_prop_set_drive(dev, "drive", fds[0]);
|
1900 |
1899 |
qdev_init_nofail(dev);
|
1901 |
|
sys = DO_UPCAST(fdctrl_sysbus_t, busdev.qdev, dev);
|
|
1900 |
sys = DO_UPCAST(FDCtrlSysBus, busdev.qdev, dev);
|
1902 |
1901 |
fdctrl = &sys->state;
|
1903 |
1902 |
sysbus_connect_irq(&sys->busdev, 0, irq);
|
1904 |
1903 |
sysbus_mmio_map(&sys->busdev, 0, io_base);
|
... | ... | |
1907 |
1906 |
return fdctrl;
|
1908 |
1907 |
}
|
1909 |
1908 |
|
1910 |
|
static int fdctrl_init_common(fdctrl_t *fdctrl, target_phys_addr_t io_base)
|
|
1909 |
static int fdctrl_init_common(FDCtrl *fdctrl, target_phys_addr_t io_base)
|
1911 |
1910 |
{
|
1912 |
1911 |
int i, j;
|
1913 |
1912 |
static int command_tables_inited = 0;
|
... | ... | |
1944 |
1943 |
|
1945 |
1944 |
static int isabus_fdc_init1(ISADevice *dev)
|
1946 |
1945 |
{
|
1947 |
|
fdctrl_isabus_t *isa = DO_UPCAST(fdctrl_isabus_t, busdev, dev);
|
1948 |
|
fdctrl_t *fdctrl = &isa->state;
|
|
1946 |
FDCtrlISABus *isa = DO_UPCAST(FDCtrlISABus, busdev, dev);
|
|
1947 |
FDCtrl *fdctrl = &isa->state;
|
1949 |
1948 |
int iobase = 0x3f0;
|
1950 |
1949 |
int isairq = 6;
|
1951 |
1950 |
int dma_chann = 2;
|
... | ... | |
1969 |
1968 |
|
1970 |
1969 |
static int sysbus_fdc_init1(SysBusDevice *dev)
|
1971 |
1970 |
{
|
1972 |
|
fdctrl_sysbus_t *sys = DO_UPCAST(fdctrl_sysbus_t, busdev, dev);
|
1973 |
|
fdctrl_t *fdctrl = &sys->state;
|
|
1971 |
FDCtrlSysBus *sys = DO_UPCAST(FDCtrlSysBus, busdev, dev);
|
|
1972 |
FDCtrl *fdctrl = &sys->state;
|
1974 |
1973 |
int io;
|
1975 |
1974 |
int ret;
|
1976 |
1975 |
|
... | ... | |
1987 |
1986 |
|
1988 |
1987 |
static int sun4m_fdc_init1(SysBusDevice *dev)
|
1989 |
1988 |
{
|
1990 |
|
fdctrl_t *fdctrl = &(FROM_SYSBUS(fdctrl_sysbus_t, dev)->state);
|
|
1989 |
FDCtrl *fdctrl = &(FROM_SYSBUS(FDCtrlSysBus, dev)->state);
|
1991 |
1990 |
int io;
|
1992 |
1991 |
|
1993 |
1992 |
io = cpu_register_io_memory(fdctrl_mem_read_strict,
|
... | ... | |
2003 |
2002 |
static ISADeviceInfo isa_fdc_info = {
|
2004 |
2003 |
.init = isabus_fdc_init1,
|
2005 |
2004 |
.qdev.name = "isa-fdc",
|
2006 |
|
.qdev.size = sizeof(fdctrl_isabus_t),
|
|
2005 |
.qdev.size = sizeof(FDCtrlISABus),
|
2007 |
2006 |
.qdev.no_user = 1,
|
2008 |
2007 |
.qdev.reset = fdctrl_external_reset_isa,
|
2009 |
2008 |
.qdev.props = (Property[]) {
|
2010 |
|
DEFINE_PROP_DRIVE("driveA", fdctrl_isabus_t, state.drives[0].dinfo),
|
2011 |
|
DEFINE_PROP_DRIVE("driveB", fdctrl_isabus_t, state.drives[1].dinfo),
|
|
2009 |
DEFINE_PROP_DRIVE("driveA", FDCtrlISABus, state.drives[0].dinfo),
|
|
2010 |
DEFINE_PROP_DRIVE("driveB", FDCtrlISABus, state.drives[1].dinfo),
|
2012 |
2011 |
DEFINE_PROP_END_OF_LIST(),
|
2013 |
2012 |
},
|
2014 |
2013 |
};
|
... | ... | |
2016 |
2015 |
static SysBusDeviceInfo sysbus_fdc_info = {
|
2017 |
2016 |
.init = sysbus_fdc_init1,
|
2018 |
2017 |
.qdev.name = "sysbus-fdc",
|
2019 |
|
.qdev.size = sizeof(fdctrl_sysbus_t),
|
|
2018 |
.qdev.size = sizeof(FDCtrlSysBus),
|
2020 |
2019 |
.qdev.reset = fdctrl_external_reset_sysbus,
|
2021 |
2020 |
.qdev.props = (Property[]) {
|
2022 |
|
DEFINE_PROP_DRIVE("driveA", fdctrl_sysbus_t, state.drives[0].dinfo),
|
2023 |
|
DEFINE_PROP_DRIVE("driveB", fdctrl_sysbus_t, state.drives[1].dinfo),
|
|
2021 |
DEFINE_PROP_DRIVE("driveA", FDCtrlSysBus, state.drives[0].dinfo),
|
|
2022 |
DEFINE_PROP_DRIVE("driveB", FDCtrlSysBus, state.drives[1].dinfo),
|
2024 |
2023 |
DEFINE_PROP_END_OF_LIST(),
|
2025 |
2024 |
},
|
2026 |
2025 |
};
|
... | ... | |
2028 |
2027 |
static SysBusDeviceInfo sun4m_fdc_info = {
|
2029 |
2028 |
.init = sun4m_fdc_init1,
|
2030 |
2029 |
.qdev.name = "SUNW,fdtwo",
|
2031 |
|
.qdev.size = sizeof(fdctrl_sysbus_t),
|
|
2030 |
.qdev.size = sizeof(FDCtrlSysBus),
|
2032 |
2031 |
.qdev.reset = fdctrl_external_reset_sysbus,
|
2033 |
2032 |
.qdev.props = (Property[]) {
|
2034 |
|
DEFINE_PROP_DRIVE("drive", fdctrl_sysbus_t, state.drives[0].dinfo),
|
|
2033 |
DEFINE_PROP_DRIVE("drive", FDCtrlSysBus, state.drives[0].dinfo),
|
2035 |
2034 |
DEFINE_PROP_END_OF_LIST(),
|
2036 |
2035 |
},
|
2037 |
2036 |
};
|