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-rw-r--r--include/ata.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/ata.h b/include/ata.h
index fa30ee8..719f76a 100644
--- a/include/ata.h
+++ b/include/ata.h
@@ -56,6 +56,8 @@
#define ATA_CYL_HIGH ATA_IO_REG(5)
#define ATA_DEV_HD ATA_IO_REG(6)
#define ATA_COMMAND ATA_IO_REG(7)
+#define ATA_DATA_EVEN ATA_IO_REG(8)
+#define ATA_DATA_ODD ATA_IO_REG(9)
#define ATA_STATUS ATA_COMMAND
#define ATA_DEV_CTL ATA_IO_ALT(6)
#define ATA_LBA_LOW ATA_SECT_NUM