diff options
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h b/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h index 0d83cd5335..6218a77c54 100644 --- a/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h +++ b/MdePkg/Include/IndustryStandard/HighPrecisionEventTimerTable.h @@ -23,6 +23,22 @@ #pragma pack(1)
///
+/// HPET Event Timer Block ID described in IA-PC HPET Specification, 3.2.4.
+///
+typedef union {
+ struct {
+ UINT32 Revision : 8;
+ UINT32 NumberOfTimers : 5;
+ UINT32 CounterSize : 1;
+ UINT32 Reserved : 1;
+ UINT32 LegacyRoute : 1;
+ UINT32 VendorId : 16;
+ } Bits;
+ UINT32 Uint32;
+} EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_BLOCK_ID;
+
+
+///
/// High Precision Event Timer Table header definition.
///
typedef struct {
|