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| author | Marvin.Haeuser@outlook.com <Marvin.Haeuser@outlook.com> | 2018-05-17 20:41:38 +0800 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2018-05-28 13:04:56 +0800 |
| commit | c9734786da91a545bcaea16b04fbbcd3a507a8ef (patch) | |
| tree | 2bbf2a0bb5df9976ace9e62ea86f12fbc3f86533 /MdePkg | |
| parent | 20274d2389eb012812f4561c8eb7cffc57a68850 (diff) | |
| download | edk2-c9734786da91a545bcaea16b04fbbcd3a507a8ef.tar.gz edk2-c9734786da91a545bcaea16b04fbbcd3a507a8ef.tar.bz2 edk2-c9734786da91a545bcaea16b04fbbcd3a507a8ef.zip | |
MdePkg/Hpet: Add Event Timer Block ID definition.
This patch adds the HPET Event Timer Block ID definition that can be
found in the IA-PC HPET Specification, section 3.2.4.
V2:
- Do not change the copyright date as requested.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
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 {
|