From: Michael Kinney <michael.d.kinney@intel.com>
To: edk2-devel@lists.01.org
Cc: Liming Gao <liming.gao@intel.com>,
Yonghong Zhu <yonghong.zhu@intel.com>,
Kevin W Shaw <kevin.w.shaw@intel.com>
Subject: [edk2-BuildSpecification PATCH V2] Add EBNF for --pcd flag command line flag
Date: Sat, 27 May 2017 13:16:53 -0700 [thread overview]
Message-ID: <1495916213-32912-2-git-send-email-michael.d.kinney@intel.com> (raw)
In-Reply-To: <1495916213-32912-1-git-send-email-michael.d.kinney@intel.com>
https://bugzilla.tianocore.org/show_bug.cgi?id=523
Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Cc: Kevin W Shaw <kevin.w.shaw@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael Kinney <michael.d.kinney@intel.com>
---
README.md | 3 ++-
appendix_d_buildexe_command/d4_usage.md | 32 ++++++++++++++++++++++++++++++++
2 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/README.md b/README.md
index 16fcc4a..00fd89d 100644
--- a/README.md
+++ b/README.md
@@ -200,7 +200,7 @@ Copyright (c) 2008-2017, Intel Corporation. All rights reserved.
| | Remove Unicode file storage requirement; refer to the Multi-String UNI File Format Specification instead. | |
| | Clarify BUILDRULEORDER | |
| | Add support for INF statement in an FD region. | |
-| 1.27 | Convert to Gitbook | April 2017 |
+| 1.27 | Convert to Gitbook | May 2017 |
| | [#471](https://bugzilla.tianocore.org/show_bug.cgi?id=471) Build spec: only copy the "TianoCore" Userextension section into "As Built" INF | |
| | [#472](https://bugzilla.tianocore.org/show_bug.cgi?id=472) [Build Spec] Extend macro usage in the !include statements for DSC/FDF files | |
| | [#483](https://bugzilla.tianocore.org/show_bug.cgi?id=483) Build Spec: add description for merge Pre-build and Post-build into build process | |
@@ -212,3 +212,4 @@ Copyright (c) 2008-2017, Intel Corporation. All rights reserved.
| | [#504](https://bugzilla.tianocore.org/show_bug.cgi?id=504) Update build report to support -Y HASH option | |
| | [#508](https://bugzilla.tianocore.org/show_bug.cgi?id=508) Build Spec: Add sections to PCD report for PCDs only used in conditions PCDs that are not used anywhere | |
| | [#480](https://bugzilla.tianocore.org/show_bug.cgi?id=480) Build spec: add description for Override PCD value on the command line | |
+| | [#523](https://bugzilla.tianocore.org/show_bug.cgi?id=523) Build spec: add EBNF for the --pcd syntax in the Section D.4 | |
diff --git a/appendix_d_buildexe_command/d4_usage.md b/appendix_d_buildexe_command/d4_usage.md
index 6271d4f..b71f2d0 100644
--- a/appendix_d_buildexe_command/d4_usage.md
+++ b/appendix_d_buildexe_command/d4_usage.md
@@ -173,3 +173,35 @@ precedence over Macros defined in the DSC and FDF files.
<H12> ::= <H4> <H4> <H4>
<RegFmtGUID> ::= <H8> "-" <H4> "-" <H4> "-" <H4> "-" <H12>
```
+
+### D.4.3 PCD Option Definition
+
+This section provides the EBNF for the `--pcd` option, which allows users to
+specify PCD values on the command-line. PCD values on the command-line take
+precedence over PCD provided in DSC, FDF, INF, and DEC files.
+
+#### Prototype
+
+```c
+<PcdOption> ::= "--pcd" <PcdName> ["=" <PcdValue>] <MTS>
+<SP> ::= 0x20
+<MTS> ::= <SP>+
+<PcdName> ::= [<TokenSpaceCName> "."] <PcdCName>
+<TokenSpaceCName> ::= C Variable Name of the Token Space GUID
+<PcdCName> ::= C Variable Name of the PCD
+<PcdValue> ::= {<Boolean>} {<Number>} {<CString>} {<CArray>}
+<Number> ::= {<Integer>} {<HexNumber>}
+<Integer> ::= {(0-9)} {(1-9)(0-9)+}
+<HexNumber> ::= {"0x"} {"0X"} (a-fA-F0-9){1,16}
+<Boolean> ::= {<True>} {<False>}
+<True> ::= {"TRUE"} {"True"} {"true"} {"1"} {"0x1"} {"0x01"}
+<False> ::= {"FALSE"} {"False"} {"false"} {"0"} {"0x0"} {"0x00"}
+<CString> ::= ["L"] <QuotedString>
+<QuotedString> ::= <DblQuote> <CChars>* <DblQuote>
+<DblQuote> ::= 0x22
+<CChars> ::= {0x21} {(0x23 - 0x5B)} {(0x5D - 0x7E)} {<EscapeSequence>}
+<EscapeSequence> ::= "\" {"n"} {"t"} {"f"} {"r"} {"b"} {"0"} {"\"} {0x22}
+<CArray> ::= "H" "{" <NList> "}"
+<NList> ::= <HexByte> ["," <HexByte>]*
+<HexByte> ::= {"0x"} {"0X"} (a-fA-F0-9){1,2}
+```
--
2.6.3.windows.1
next prev parent reply other threads:[~2017-05-27 20:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-27 20:16 [edk2-BuildSpecification PATCH V2] Add EBNF for --pcd flag command line flag Michael Kinney
2017-05-27 20:16 ` Michael Kinney [this message]
2017-05-28 8:43 ` Zhu, Yonghong
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