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Implemented ATAPI DMA transfer modes.

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This commit is contained in:
SarahW 2018-03-15 19:36:30 +00:00
commit 6602368cc4
9 changed files with 289 additions and 54 deletions
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14
src/ide.h
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@ -15,9 +15,13 @@ extern void ide_pri_enable();
extern void ide_sec_enable();
extern void ide_pri_disable();
extern void ide_sec_disable();
extern void ide_set_bus_master(int (*read_sector)(int channel, uint8_t *data), int (*write_sector)(int channel, uint8_t *data), void (*set_irq)(int channel));
extern void ide_set_bus_master(int (*read_data)(int channel, uint8_t *data, int size), int (*write_data)(int channel, uint8_t *data, int size), void (*set_irq)(int channel));
void ide_irq_raise(struct IDE *ide);
extern int (*ide_bus_master_read_data)(int channel, uint8_t *data, int size);
extern int (*ide_bus_master_write_data)(int channel, uint8_t *data, int size);
extern void (*ide_bus_master_set_irq)(int channel);
#include "ide_atapi.h"
extern int ideboard;
@ -47,4 +51,12 @@ extern device_t ide_device;
#define ABRT_ERR 0x04 /* Command aborted */
#define MCR_ERR 0x08 /* Media change request */
#define FEATURE_SET_TRANSFER_MODE 0x03
#define FEATURE_ENABLE_IRQ_OVERLAPPED 0x5d
#define FEATURE_ENABLE_IRQ_SERVICE 0x5e
#define FEATURE_DISABLE_REVERT 0x66
#define FEATURE_ENABLE_REVERT 0xcc
#define FEATURE_DISABLE_IRQ_OVERLAPPED 0xdd
#define FEATURE_DISABLE_IRQ_SERVICE 0xde
#endif //__IDE__