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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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4
src/ide_atapi.h
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@ -53,11 +53,13 @@ typedef struct atapi_device_t
uint8_t *atastat;
uint8_t *error;
int *cylinder;
int use_dma;
} atapi_device_t;
void atapi_data_write(atapi_device_t *atapi_dev, uint16_t val);
uint16_t atapi_data_read(atapi_device_t *atapi_dev);
void atapi_command_start(atapi_device_t *atapi);
void atapi_command_start(atapi_device_t *atapi, uint8_t features);
uint8_t atapi_read_iir(atapi_device_t *atapi_dev);
uint8_t atapi_read_drq(atapi_device_t *atapi_dev);
void atapi_process_packet(atapi_device_t *atapi_dev);