Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
hw/block/fdc: Declare shared prototypes in fdc-internal.h
We want to extract ISA/SysBus code from the generic fdc.c file. First, declare the prototypes we will access from the new units into a new local header: "fdc-internal.h". Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210614193220.2007159-4-philmd@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
- Loading branch information
Showing
3 changed files
with
168 additions
and
122 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| /* | ||
| * QEMU Floppy disk emulator (Intel 82078) | ||
| * | ||
| * Copyright (c) 2003, 2007 Jocelyn Mayer | ||
| * Copyright (c) 2008 Hervé Poussineau | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
| #ifndef HW_BLOCK_FDC_INTERNAL_H | ||
| #define HW_BLOCK_FDC_INTERNAL_H | ||
|
|
||
| #include "exec/memory.h" | ||
| #include "exec/ioport.h" | ||
| #include "hw/block/block.h" | ||
| #include "hw/block/fdc.h" | ||
| #include "qapi/qapi-types-block.h" | ||
|
|
||
| typedef struct FDCtrl FDCtrl; | ||
|
|
||
| /* Floppy bus emulation */ | ||
|
|
||
| typedef struct FloppyBus { | ||
| BusState bus; | ||
| FDCtrl *fdc; | ||
| } FloppyBus; | ||
|
|
||
| /* Floppy disk drive emulation */ | ||
|
|
||
| typedef enum FDriveRate { | ||
| FDRIVE_RATE_500K = 0x00, /* 500 Kbps */ | ||
| FDRIVE_RATE_300K = 0x01, /* 300 Kbps */ | ||
| FDRIVE_RATE_250K = 0x02, /* 250 Kbps */ | ||
| FDRIVE_RATE_1M = 0x03, /* 1 Mbps */ | ||
| } FDriveRate; | ||
|
|
||
| typedef enum FDriveSize { | ||
| FDRIVE_SIZE_UNKNOWN, | ||
| FDRIVE_SIZE_350, | ||
| FDRIVE_SIZE_525, | ||
| } FDriveSize; | ||
|
|
||
| typedef struct FDFormat { | ||
| FloppyDriveType drive; | ||
| uint8_t last_sect; | ||
| uint8_t max_track; | ||
| uint8_t max_head; | ||
| FDriveRate rate; | ||
| } FDFormat; | ||
|
|
||
| typedef enum FDiskFlags { | ||
| FDISK_DBL_SIDES = 0x01, | ||
| } FDiskFlags; | ||
|
|
||
| typedef struct FDrive { | ||
| FDCtrl *fdctrl; | ||
| BlockBackend *blk; | ||
| BlockConf *conf; | ||
| /* Drive status */ | ||
| FloppyDriveType drive; /* CMOS drive type */ | ||
| uint8_t perpendicular; /* 2.88 MB access mode */ | ||
| /* Position */ | ||
| uint8_t head; | ||
| uint8_t track; | ||
| uint8_t sect; | ||
| /* Media */ | ||
| FloppyDriveType disk; /* Current disk type */ | ||
| FDiskFlags flags; | ||
| uint8_t last_sect; /* Nb sector per track */ | ||
| uint8_t max_track; /* Nb of tracks */ | ||
| uint16_t bps; /* Bytes per sector */ | ||
| uint8_t ro; /* Is read-only */ | ||
| uint8_t media_changed; /* Is media changed */ | ||
| uint8_t media_rate; /* Data rate of medium */ | ||
|
|
||
| bool media_validated; /* Have we validated the media? */ | ||
| } FDrive; | ||
|
|
||
| struct FDCtrl { | ||
| MemoryRegion iomem; | ||
| qemu_irq irq; | ||
| /* Controller state */ | ||
| QEMUTimer *result_timer; | ||
| int dma_chann; | ||
| uint8_t phase; | ||
| IsaDma *dma; | ||
| /* Controller's identification */ | ||
| uint8_t version; | ||
| /* HW */ | ||
| 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; | ||
| uint8_t cur_drv; | ||
| uint8_t status0; | ||
| uint8_t status1; | ||
| uint8_t status2; | ||
| /* Command FIFO */ | ||
| uint8_t *fifo; | ||
| int32_t fifo_size; | ||
| uint32_t data_pos; | ||
| uint32_t data_len; | ||
| uint8_t data_state; | ||
| uint8_t data_dir; | ||
| uint8_t eot; /* last wanted sector */ | ||
| /* States kept only to be returned back */ | ||
| /* precompensation */ | ||
| uint8_t precomp_trk; | ||
| uint8_t config; | ||
| uint8_t lock; | ||
| /* Power down config (also with status regB access mode */ | ||
| uint8_t pwrd; | ||
| /* Floppy drives */ | ||
| FloppyBus bus; | ||
| uint8_t num_floppies; | ||
| FDrive drives[MAX_FD]; | ||
| struct { | ||
| FloppyDriveType type; | ||
| } qdev_for_drives[MAX_FD]; | ||
| int reset_sensei; | ||
| FloppyDriveType fallback; /* type=auto failure fallback */ | ||
| /* Timers state */ | ||
| uint8_t timer0; | ||
| uint8_t timer1; | ||
| PortioList portio_list; | ||
| }; | ||
|
|
||
| extern const FDFormat fd_formats[]; | ||
| extern const VMStateDescription vmstate_fdc; | ||
|
|
||
| uint32_t fdctrl_read(void *opaque, uint32_t reg); | ||
| void fdctrl_write(void *opaque, uint32_t reg, uint32_t value); | ||
| void fdctrl_reset(FDCtrl *fdctrl, int do_irq); | ||
| void fdctrl_realize_common(DeviceState *dev, FDCtrl *fdctrl, Error **errp); | ||
|
|
||
| int fdctrl_transfer_handler(void *opaque, int nchan, int dma_pos, int dma_len); | ||
|
|
||
| void fdctrl_init_drives(FloppyBus *bus, DriveInfo **fds); | ||
|
|
||
| #endif |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters