1. some code fragments refer to Data field will pointer + sizeof (BBS_TYPE) + sizeof (UINT16).
2. The list of BM_LEGACY_DEV_ORDER_CONTEXT is supposed to be saved to variable on flash. Progma it can help to reduce variable size.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4760 6f19259b-4bc3-4df7-8a09-765794883524
2) Add ExtendedHiiLib and ExtendedIfrSupportLib which implement APIs that require the OPcode and Device Path which is specific to Intel's implementation.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4662 6f19259b-4bc3-4df7-8a09-765794883524