EDK II VFR Programming Language Specification
Revision 1.92
12/01/2020 06:01:07
Acknowledgements
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Copyright (c) 2007-2018, Intel Corporation. All rights reserved.
Revision History
| Revision | Revision History | Date |
|---|---|---|
| 0.90 | Preliminary release | December 12, 2007 |
| 1.00 | First general release | December 21 2007 |
| 1.10 | Update some syntax and fix some literal issues | February 20, 2008 |
| 1.20 | Add more defaultstore ID description and fix some literal errors | May 26, 2008 |
| 1.30 | Add new syntax classguid, suppressifformset, security, formmap to support UEFI 2.3 HII IFR opcodes, update some syntax and fix some literal errors. | Feb 12, 2010 |
| 1.40 | Add generic Guid opcode, inconsistentif check for EFI_IFR_TIME opcode, and, support question VarStorageId defined by DataType and VarStore name. | May 3 , 2011 |
| 1.50 | Update efi varstore syntax, add modal, refresh event group and REF5 opcode, and add EFI_HII_REF data type to support UEFI 2.3.1 HII IFR opcodes, corrects Time statement example. Minor editing and formatting | August 31, 2011 |
| 1.60 | Update syntax for goto, image, questionref and constant value opcodes, correct CALLBACK flag to INTEREACTIVE, correct help string for old syntax date/time example, and add examples for expression opcodes. | December 1, 2011 |
| 1.70 | Clarify restriction that enum type and struct data filed with more than one dimensions array are not supported. | May 18, 2012 |
| 1.80 | Add syntax for warningif opcode, update definition for name/value varstore and subtitle opcode, update referenced UEFI spec version info. | Jan 14, 2014 |
| 1.90 | Correct sample code for catenate/match/cond opcode. Add syntax for match2 opcode. Add sample code to show the buffer type constant value for orderedlist opcode and default opcode. | July 2, 2015 |
| 1.91 | Convert to Gitbook | April 2017 |
| 1.92 | #683 VFR Spec: Add union data type and bit fields in VFR Data Struct Definition | Mar 2018 |