REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2790
If the top FFS is placed in FV image, current FV will show there is no space. In fact, the pad ffs in FV image can be regarded as the spare space. This change reports the max pad ffs size as the spare space for use. Signed-off-by: Liming Gao <[email protected]> Cc: Bob Feng <[email protected]> --- BaseTools/Source/C/GenFv/GenFvInternalLib.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/BaseTools/Source/C/GenFv/GenFvInternalLib.c b/BaseTools/Source/C/GenFv/GenFvInternalLib.c index d29a891c9c..b5ffed93a9 100644 --- a/BaseTools/Source/C/GenFv/GenFvInternalLib.c +++ b/BaseTools/Source/C/GenFv/GenFvInternalLib.c @@ -3140,6 +3140,7 @@ Returns: --*/ { UINTN CurrentOffset; + UINTN OrigOffset; UINTN Index; FILE *fpin; UINTN FfsFileSize; @@ -3148,8 +3149,10 @@ Returns: UINT32 FfsHeaderSize; EFI_FFS_FILE_HEADER FfsHeader; UINTN VtfFileSize; + UINTN MaxPadFileSize; FvExtendHeaderSize = 0; + MaxPadFileSize = 0; VtfFileSize = 0; fpin = NULL; Index = 0; @@ -3258,8 +3261,12 @@ Returns: // // Only EFI_FFS_FILE_HEADER is needed for a pad section. // + OrigOffset = CurrentOffset; CurrentOffset = (CurrentOffset + FfsHeaderSize + sizeof(EFI_FFS_FILE_HEADER) + FfsAlignment - 1) & ~(FfsAlignment - 1); CurrentOffset -= FfsHeaderSize; + if ((CurrentOffset - OrigOffset) > MaxPadFileSize) { + MaxPadFileSize = CurrentOffset - OrigOffset; + } } } @@ -3303,6 +3310,12 @@ Returns: // mFvTotalSize = FvInfoPtr->Size; mFvTakenSize = CurrentOffset; + if ((mFvTakenSize == mFvTotalSize) && (MaxPadFileSize > 0)) { + // + // This FV means TOP FFS has been taken. Then, check whether there is padding data for use. + // + mFvTakenSize = mFvTakenSize - MaxPadFileSize; + } return EFI_SUCCESS; } -- 2.13.0.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#60933): https://edk2.groups.io/g/devel/message/60933 Mute This Topic: https://groups.io/mt/74770051/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
