diff options
Diffstat (limited to 'MdePkg/Include/Library/HobLib.h')
| -rw-r--r-- | MdePkg/Include/Library/HobLib.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/MdePkg/Include/Library/HobLib.h b/MdePkg/Include/Library/HobLib.h index a02246f6b0..02f364ccc6 100644 --- a/MdePkg/Include/Library/HobLib.h +++ b/MdePkg/Include/Library/HobLib.h @@ -373,15 +373,34 @@ BuildMemoryAllocationHob ( IN EFI_MEMORY_TYPE MemoryType
);
+///
+/// Get a HOB's type from HOB header
+///
#define GET_HOB_TYPE(Hob) ((Hob).Header->HobType)
+
+///
+/// Get a HOB's length from HOB header
+///
#define GET_HOB_LENGTH(Hob) ((Hob).Header->HobLength)
+
+///
+/// Get the pointer to next HOB in HOB List
+///
#define GET_NEXT_HOB(Hob) ((Hob).Raw + GET_HOB_LENGTH (Hob))
+
+///
+/// Judge if the HOB is the end of HOB List
+///
#define END_OF_HOB_LIST(Hob) (GET_HOB_TYPE (Hob) == (UINT16)EFI_HOB_TYPE_END_OF_HOB_LIST)
-//
-// Get the data and data size field of GUID
-//
+///
+/// Get the pointer to data field of GUID HOB
+///
#define GET_GUID_HOB_DATA(GuidHob) ((VOID *) (((UINT8 *) &((GuidHob)->Name)) + sizeof (EFI_GUID)))
+
+///
+/// Get the data size of GUID HOB
+///
#define GET_GUID_HOB_DATA_SIZE(GuidHob) (((GuidHob)->Header).HobLength - sizeof (EFI_HOB_GUID_TYPE))
#endif
|