diff options
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/ide/internal.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h index 5b7b0e47e6..2d09162eeb 100644 --- a/include/hw/ide/internal.h +++ b/include/hw/ide/internal.h @@ -29,6 +29,17 @@ OBJECT_DECLARE_SIMPLE_TYPE(IDEBus, IDE_BUS) #define MAX_IDE_DEVS 2 +/* Device/Head ("select") Register */ +#define ATA_DEV_SELECT 0x10 +/* ATA1,3: Defined as '1'. + * ATA2: Reserved. + * ATA3-7: obsolete. */ +#define ATA_DEV_ALWAYS_ON 0xA0 +#define ATA_DEV_LBA 0x40 +#define ATA_DEV_LBA_MSB 0x0F /* LBA 24:27 */ +#define ATA_DEV_HS 0x0F /* HS 3:0 */ + + /* Bits of HD_STATUS */ #define ERR_STAT 0x01 #define INDEX_STAT 0x02 |