#ifndef KATA_H #define KATA_H #ifndef __ASSEMBLER__ #include #include #endif #define IDE_PRIMARY_IO_BASE 0x01F0 #define IDE_PRIMARY_CRTL_BASE 0x03F6 #define IDE_SECONDARY_IO_BASE 0x0170 #define IDE_SECONDARY_CRTL_BASE 0x0376 #define IDE_DRIVE_MASTER 0xA0 #define IDE_DRIVE_SLAVE 0xB0 #define IO_DATA_REG 0x0000 #define IO_ERROR_REG 0x0001 #define IO_FEATURE_REG 0x0001 #define IO_SECTOR_COUNT_REG 0x0002 #define IO_SECTOR_NUM_REG 0x0003 #define IO_LBA_LO_REG 0x0003 #define IO_CYL_LO_REG 0x0004 #define IO_LBA_MID_REG 0x0004 #define IO_LBA_HI_REG 0x0005 #define IO_CYL_HI_REG 0x0005 #define IO_DRIVE_SELECT_REG 0x0006 #define IO_STATUS_REG 0x0007 #define IO_CMD_REG 0x0007 #define CTRL_ALT_STATUS_REG 0x00 #define CTRL_DEV_CTRL_REG 0x00 #define CTRL_DRIVE_ADDR_REG 0x01 #define ERROR_REG_AMNF 0b00000001 // Address mark not found #define ERROR_REG_TKZNF 0b00000010 // Track zero not found #define ERROR_REG_ABRT 0b00000100 // Aborted command #define ERROR_REG_MCR 0b00001000 // Media change request #define ERROR_REG_IDNF 0b00010000 // ID not found #define ERROR_REG_MC 0b00100000 // Media changed #define ERROR_REG_UNC 0b01000000 // Uncorrectable data error #define ERROR_REG_BBK 0b10000000 // Bad Block detected #define DRIVE_SELECT_REG_BN 0b00000111 #define DRIVE_SELECT_REG_DRV 0b00010000 #define DRIVE_SELECT_REG_LBAA 0b01000000 #define STATUS_REG_ERR 0b00000001 #define STATUS_REG_IDX 0b00000010 #define STATUS_REG_CORR 0b00000100 #define STATUS_REG_DRQ 0b00001000 #define STATUS_REG_SRV 0b00010000 #define STATUS_REG_DF 0b00100000 #define STATUS_REG_RDY 0b01000000 #define STATUS_REG_BSY 0b10000000 #define DEV_CTRL_REG_nIEN 0b00000001 #define DEV_CTRL_REG_SRST 0b00000010 #define DEV_CTRL_REG_HOB 0b10000000 #define DRIVE_ADDR_REG_DS0 0b00000001 #define DRIVE_ADDR_REG_DS1 0b00000010 #define DRIVE_ADDR_REG_HEAD 0b00111100 #define DRIVE_ADDR_REG_WTG 0b01000000 #define ATAPI_CMD_IDENTIFY_PACKET 0xA1 #ifndef __ASSEMBLER__ uint8_t ident_device(uint16_t bus, uint8_t drive_select, uint8_t* buffer); int read_atapi(uint16_t bus, uint8_t drive, uint32_t lba, uint32_t sectors, uint16_t* buf); void send_scsi_packet(uint16_t bus, void* cmd, size_t sz); void read_data_words(uint16_t bus, void* buf, size_t sz); typedef struct __attribute__((packed)) { uint16_t bus; uint8_t device; uint8_t type; void* ident_info_struct; } ide_device_t; typedef struct { // Word 0: General configuration bit-map struct { uint16_t packet_size : 2; // 00=12 bytes, 01=16 bytes uint16_t reserved1 : 3; uint16_t drq_response : 2; // DRQ response microsecond timing uint16_t device_type : 5; // Device type (e.g., 0x05 for CD/DVD-ROM) uint16_t reserved2 : 1; uint16_t removable_media : 1; // 1 = Removable media uint16_t command_packet_type : 2; // 10 = ATAPI device } general_config; uint16_t logical_cylinders; uint16_t specific_configuration; // Word 2: Specific configuration uint16_t logical_heads; // Word 3: Obsolete / Reserved uint16_t retired1[2]; // Words 4-5: Retired uint16_t logical_sectors_per_track; // Word 6: Obsolete / Reserved uint16_t reserved_vendor[3]; // Words 7-9: Vendor specific char serial_number[20]; // Words 10-19: Serial number (ASCII, byte-swapped) uint16_t retired2[2]; // Words 20-21: Retired uint16_t obsolete1; // Word 22: Obsolete char firmware_revision[8]; // Words 23-26: Firmware revision (ASCII, byte-swapped) char model_number[40]; // Words 27-46: Model number (ASCII, byte-swapped) uint16_t sectors_per_interrupt; // Word 47: Bits 7:0 = Max sectors per interrupt uint16_t reserved3; // Word 48: Reserved // Word 49: Capabilities struct { uint16_t reserved1 : 8; uint16_t dma_supported : 1; // 1 = DMA supported uint16_t lba_supported : 1; // 1 = LBA supported uint16_t iordy_disable : 1; // 1 = IORDY can be disabled uint16_t iordy_supported : 1; // 1 = IORDY supported uint16_t reserved2 : 1; uint16_t overlap_supported : 1; // 1 = Overlap operation supported uint16_t reserved3 : 2; } capabilities1; uint16_t capabilities2; // Word 50: Capabilities bit 0 = Min MDMA cycle time info uint16_t pio_data_transfer_timing;// Word 51: Obsolete uint16_t dma_data_transfer_timing;// Word 52: Obsolete // Word 53: Field validity struct { uint16_t fields_54_58_valid : 1; // 1 = Words 54-58 are valid uint16_t fields_64_70_valid : 1; // 1 = Words 64-70 are valid uint16_t field_88_valid : 1; // 1 = Word 88 is valid (Ultra DMA) uint16_t reserved : 13; } field_validity; uint16_t obsolete2[5]; // Words 54-58: Obsolete uint16_t multi_sector_setting; // Word 59: Multi-sector setting uint32_t total_addressable_sectors; // Words 60-61: Total number of user addressable sectors (LBA28) uint16_t single_word_dma_modes; uint16_t multi_word_dma_modes; struct { uint16_t pio_mode_3 : 1; uint16_t pio_mode_4 : 1; uint16_t reserved : 14; } advanced_pio_modes; uint16_t min_mwdma_cycle_time; uint16_t rec_mwdma_cycle_time; uint16_t min_pio_cycle_time_no_flow; uint16_t min_pio_cycle_time_iordy; uint16_t reserved4[2]; uint16_t packet_release_time; uint16_t service_clear_time; uint16_t major_revision_number; uint16_t minor_revision_number; uint16_t queue_depth; uint16_t reserved5[4]; uint16_t major_version; uint16_t minor_version; uint16_t command_sets_supported1; uint16_t command_sets_supported2; uint16_t command_sets_supported3; uint16_t command_sets_enabled1; uint16_t command_sets_enabled2; uint16_t command_sets_enabled3; uint16_t ultra_dma_modes; uint16_t reserved_erase_time[2]; uint16_t current_apm_level; uint16_t master_password_revision; uint16_t hardware_reset_result; uint16_t obsolete3; uint16_t stream_minimum_request; uint16_t streaming_transfer_delay; uint16_t streaming_access_latency; uint32_t streaming_perf_granularity; uint64_t total_user_sectors_lba48; uint16_t streaming_transfer_delay_block; uint16_t reserved6; struct { uint16_t logical_sectors_per_physical : 4; uint16_t reserved1 : 8; uint16_t logical_sector_longer_than_256: 1; uint16_t physical_sector_longer_than_logical: 1; uint16_t validation_bits : 2; } physical_sector_size; uint16_t inter_seek_delay; uint16_t world_wide_name[4]; uint16_t reserved7[8]; uint16_t command_submission_delay; uint16_t reserved8[7]; uint16_t security_status; uint16_t vendor_specific[31]; uint16_t cfa_power_mode; uint16_t reserved9[15]; char media_serial_number[60]; uint16_t sct_command_transport; uint16_t reserved10[49]; } __attribute__((packed)) atapi_identify_t; #endif #endif