A update

include/drivers/ide.h

@@ -0,0 +1,40 @@
+#ifndef _IDE_H
+#define _IDE_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#define ATA_PRIMARY_IO     0x1F0
+#define ATA_PRIMARY_CTRL   0x3F6
+#define ATA_MASTER         0x00
+#define ATA_SLAVE          0x10
+
+#define ATA_REG_DATA       0x00
+#define ATA_REG_ERROR      0x01
+#define ATA_REG_SECCOUNT0  0x02
+#define ATA_REG_LBA0       0x03
+#define ATA_REG_LBA1       0x04
+#define ATA_REG_LBA2       0x05
+#define ATA_REG_LBA3       0x06  // LBA48 higher bits
+#define ATA_REG_LBA4       0x07  // LBA48 higher bits
+#define ATA_REG_LBA5       0x08  // LBA48 higher bits
+#define ATA_REG_HDDEVSEL   0x06
+#define ATA_REG_COMMAND    0x07
+#define ATA_REG_STATUS     0x07
+
+#define ATA_CMD_READ_SECTORS       0x20
+#define ATA_CMD_WRITE_SECTORS      0x30
+#define ATA_CMD_READ_SECTORS_EXT   0x24
+#define ATA_CMD_WRITE_SECTORS_EXT  0x34
+
+#define ATA_SR_BSY     0x80
+#define ATA_SR_DRDY    0x40
+#define ATA_SR_DRQ     0x08
+#define ATA_SR_ERR     0x01
+
+void ide_initialize(void);
+int32_t ide_identify(uint8_t drive, uint16_t* buffer);
+int32_t ide_read48(uint8_t drive, uint64_t lba, uint8_t sector_count, void* buffer);
+int32_t ide_write48(uint8_t drive, uint64_t lba, uint8_t sector_count, const void* buffer);
+
+#endif