93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
#ifndef KATA_H
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#define KATA_H
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#ifndef __ASSEMBLER__
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#include <stdint.h>
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#endif
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#define IDE_PRIMARY_IO_BASE 0x01F0
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#define IDE_PRIMARY_CRTL_BASE 0x03F6
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#define IDE_SECONDARY_IO_BASE 0x0170
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#define IDE_SECONDARY_CRTL_BASE 0x0376
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#define IDE_DRIVE_MASTER 0xA0
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#define IDE_DRIVE_SLAVE 0xB0
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#define IO_DATA_REG 0x0000
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#define IO_ERROR_REG 0x0001
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#define IO_FEATURE_REG 0x0001
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#define IO_SECTOR_COUNT_REG 0x0002
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#define IO_SECTOR_NUM_REG 0x0003
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#define IO_LBA_LO_REG 0x0003
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#define IO_CYL_LO_REG 0x0004
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#define IO_LBA_MID_REG 0x0004
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#define IO_LBA_HI_REG 0x0005
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#define IO_CYL_HI_REG 0x0005
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#define IO_DRIVE_SELECT_REG 0x0006
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#define IO_STATUS_REG 0x0007
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#define IO_CMD_REG 0x0007
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#define CTRL_ALT_STATUS_REG 0x00
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#define CTRL_DEV_CTRL_REG 0x00
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#define CTRL_DRIVE_ADDR_REG 0x01
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#define ERROR_REG_AMNF 0b00000001 // Address mark not found
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#define ERROR_REG_TKZNF 0b00000010 // Track zero not found
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#define ERROR_REG_ABRT 0b00000100 // Aborted command
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#define ERROR_REG_MCR 0b00001000 // Media change request
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#define ERROR_REG_IDNF 0b00010000 // ID not found
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#define ERROR_REG_MC 0b00100000 // Media changed
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#define ERROR_REG_UNC 0b01000000 // Uncorrectable data error
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#define ERROR_REG_BBK 0b10000000 // Bad Block detected
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#define DRIVE_SELECT_REG_BN 0b00000111
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#define DRIVE_SELECT_REG_DRV 0b00010000
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#define DRIVE_SELECT_REG_LBAA 0b01000000
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#define STATUS_REG_ERR 0b00000001
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#define STATUS_REG_IDX 0b00000010
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#define STATUS_REG_CORR 0b00000100
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#define STATUS_REG_DRQ 0b00001000
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#define STATUS_REG_SRV 0b00010000
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#define STATUS_REG_DF 0b00100000
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#define STATUS_REG_RDY 0b01000000
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#define STATUS_REG_BSY 0b10000000
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#define DEV_CTRL_REG_nIEN 0b00000001
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#define DEV_CTRL_REG_SRST 0b00000010
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#define DEV_CTRL_REG_HOB 0b10000000
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#define DRIVE_ADDR_REG_DS0 0b00000001
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#define DRIVE_ADDR_REG_DS1 0b00000010
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#define DRIVE_ADDR_REG_HEAD 0b00111100
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#define DRIVE_ADDR_REG_WTG 0b01000000
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#define ATAPI_CMD_IDENTIFY_PACKET 0xA1
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#ifndef __ASSEMBLER__
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uint8_t ident_device(uint16_t bus, uint8_t drive_select, uint8_t* buffer);
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typedef struct __attribute__((packed)) {
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uint16_t bus;
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uint8_t device;
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uint8_t type;
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void* ident_info_struct;
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} ide_device_t;
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typedef struct __attribute__((packed)) {
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uint16_t gen_config;
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uint16_t reserved_1[9];
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char serial_number[20];
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uint16_t vendor_1[3];
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char firmware_v[8];
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char model_num[40];
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uint16_t vendor_2[2];
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uint16_t capabilities;
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uint16_t reserved_2;
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uint16_t pio_dma_timing;
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} atapi_identify_data_t;
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#endif
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#endif |