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Massive IDE clean-ups, and finally implemented ATAPI hard disks.

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This commit is contained in:
OBattler
2023-10-28 22:00:23 +02:00
parent 26d9fa4daa
commit b474e3d056
19 changed files with 2005 additions and 1702 deletions
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88
src/include/86box/hdc_ide.h
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@@ -41,13 +41,46 @@ enum {
IDE_ATAPI
};
#ifdef SCSI_DEVICE_H
typedef struct ide_tf_s {
union {
uint8_t cylprecomp;
uint8_t features;
};
union {
uint8_t secount;
uint8_t phase;
};
union {
uint16_t cylinder;
uint16_t request_length;
};
union {
uint8_t atastat;
uint8_t status;
};
uint8_t error;
uint16_t pad;
uint32_t pos;
} ide_tf_t;
#ifdef _TIMER_H_
typedef struct ide_s {
uint8_t selected;
#ifdef ANCIENT_CODE
/* Task file. */
uint8_t cylprecomp;
uint8_t secount;
uint16_t cylinder;
uint8_t atastat;
uint8_t error;
uint16_t pad;
uint32_t pos;
#endif
/* The rest. */
uint8_t selected;
uint8_t command;
uint8_t fdisk;
uint8_t head;
uint8_t sector;
int type;
int board;
int irqstat;
@@ -56,18 +89,12 @@ typedef struct ide_s {
int blockcount;
int hdd_num;
int channel;
int pos;
int sector_pos;
int lba;
int reset;
int mdma_mode;
int do_initial_read;
uint32_t secount;
uint32_t sector;
uint32_t cylinder;
uint32_t head;
uint32_t drive;
uint32_t cylprecomp;
uint32_t cfg_spt;
uint32_t cfg_hpc;
uint32_t lba_addr;
@@ -80,11 +107,19 @@ typedef struct ide_s {
pc_timer_t timer;
/* Task file. */
ide_tf_t * tf;
/* Stuff mostly used by ATAPI */
#ifdef SCSI_DEVICE_H
scsi_common_t *sc;
#else
void * sc;
#endif
int interrupt_drq;
double pending_delay;
#ifdef SCSI_DEVICE_H
int (*get_max)(int ide_has_dma, int type);
int (*get_timings)(int ide_has_dma, int type);
void (*identify)(struct ide_s *ide, int ide_has_dma);
@@ -94,10 +129,22 @@ typedef struct ide_s {
uint8_t (*phase_data_out)(scsi_common_t *sc);
void (*command_stop)(scsi_common_t *sc);
void (*bus_master_error)(scsi_common_t *sc);
#else
void * get_max;
void * get_timings;
void * identify;
void * stop;
void * device_reset;
void * phase_data_out;
void * command_stop;
void * bus_master_error;
#endif
} ide_t;
#ifdef EMU_HDC_H
extern ide_t *ide_drives[IDE_NUM];
#endif
#endif
/* Type:
0 = PIO,
@@ -155,16 +202,9 @@ extern void ide_set_bus_master(int board,
extern void win_cdrom_eject(uint8_t id);
extern void win_cdrom_reload(uint8_t id);
extern void ide_set_base(int board, uint16_t port);
extern void ide_set_side(int board, uint16_t port);
extern void ide_set_base_addr(int board, int base, uint16_t port);
extern void ide_set_handlers(uint8_t board);
extern void ide_remove_handlers(uint8_t board);
extern void ide_pri_enable(void);
extern void ide_pri_disable(void);
extern void ide_sec_enable(void);
extern void ide_sec_disable(void);
extern void ide_handlers(uint8_t board, int set);
extern void ide_board_set_force_ata3(int board, int force_ata3);
#ifdef EMU_ISAPNP_H
@@ -183,4 +223,16 @@ extern void ide_padstr8(uint8_t *buf, int buf_size, const char *src);
extern uint8_t ide_read_ali_75(void);
extern uint8_t ide_read_ali_76(void);
/* Legacy #define's. */
#define ide_set_base(board, port) ide_set_base_addr(board, 0, port)
#define ide_set_side(board, port) ide_set_base_addr(board, 1, port)
#define ide_pri_enable() ide_handlers(0, 1)
#define ide_pri_disable() ide_handlers(0, 0)
#define ide_sec_enable() ide_handlers(1, 1)
#define ide_sec_disable() ide_handlers(1, 0)
#define ide_set_handlers(board) ide_handlers(board, 1)
#define ide_remove_handlers(board) ide_handlers(board, 0)
#endif /*EMU_IDE_H*/