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-rw-r--r--include/hw/ide/internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h
index a23bb2f348..5b7b0e47e6 100644
--- a/include/hw/ide/internal.h
+++ b/include/hw/ide/internal.h
@@ -58,6 +58,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(IDEBus, IDE_BUS)
 #define TAG_MASK		0xf8
 
 /* Bits of Device Control register */
+#define IDE_CTRL_HOB            0x80
 #define IDE_CTRL_RESET          0x04
 #define IDE_CTRL_DISABLE_IRQ    0x02