Appendix A: Talking to a Real Disk

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How to Talk to an ATA Drive

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Talking to Ports from C

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platform/kernel/ata_block_device.c

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Issuing a Command

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platform/kernel/ata_block_device.c

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Opening the Drive: IDENTIFY Yourself

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platform/kernel/ata_block_device.h

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platform/kernel/ata_block_device.c

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Reading

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platform/kernel/ata_block_device.c

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Writing

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platform/kernel/ata_block_device.c

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Completing the Block Device

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platform/kernel/ata_block_device.c

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Replacing the RAM Disk

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platform/kernel/main.c

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Spinning Up the Drive

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Appendix B: A First Look at Long Filename Support (LFN / VFAT)