diff options
| -rw-r--r-- | UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c index bea37fb18b..edb3c20471 100644 --- a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c +++ b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c @@ -252,6 +252,36 @@ FindAnotherHighestBelow4GResourceDescriptor ( }
/**
+ Check the HOB and decide if it is need inside Payload
+
+ Payload maintainer may make decision which HOB is need or needn't
+ Then add the check logic in the function.
+
+ @param[in] Hob The HOB to check
+
+ @retval TRUE If HOB is need inside Payload
+ @retval FALSE If HOB is needn't inside Payload
+**/
+BOOLEAN
+IsHobNeed (
+ EFI_PEI_HOB_POINTERS Hob
+ )
+{
+ if (Hob.Header->HobType == EFI_HOB_TYPE_HANDOFF) {
+ return FALSE;
+ }
+
+ if (Hob.Header->HobType == EFI_HOB_TYPE_MEMORY_ALLOCATION) {
+ if (CompareGuid (&Hob.MemoryAllocationModule->MemoryAllocationHeader.Name, &gEfiHobMemoryAllocModuleGuid)) {
+ return FALSE;
+ }
+ }
+
+ // Arrive here mean the HOB is need
+ return TRUE;
+}
+
+/**
It will build HOBs based on information from bootloaders.
@param[in] BootloaderParameter The starting memory address of bootloader parameter block.
@@ -351,7 +381,7 @@ BuildHobs ( // Since payload created new Hob, move all hobs except PHIT from boot loader hob list.
//
while (!END_OF_HOB_LIST (Hob)) {
- if (Hob.Header->HobType != EFI_HOB_TYPE_HANDOFF) {
+ if (IsHobNeed (Hob)) {
// Add this hob to payload HOB
AddNewHob (&Hob);
}
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