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From: Liming Gao <liming.gao@intel.com>
To: edk2-devel@lists.01.org
Date: Tue,  8 Jan 2019 13:53:14 +0800
Message-Id: <20190108055314.14980-1-liming.gao@intel.com>
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Subject: [Patch v2] Dsc Spec: Add the syntax to initialize structure PCD with C style value
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In V2:
Update Pcd Field value assignment with array index.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1292

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Bob Feng <bob.c.feng@intel.com>
---
 3_edk_ii_dsc_file_format/33_platform_dsc_definition.md | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/3_edk_ii_dsc_file_format/33_platform_dsc_definition.md b/3_edk_ii_dsc_file_format/33_platform_dsc_definition.md
index 0ff9d9d..07f10d6 100644
--- a/3_edk_ii_dsc_file_format/33_platform_dsc_definition.md
+++ b/3_edk_ii_dsc_file_format/33_platform_dsc_definition.md
@@ -192,7 +192,7 @@ The following are common definitions used by multiple section types.
 <BoolType>             ::= {<BoolVal>} {"{"<BoolVal>"}"}
 <MACRO>                ::= (A-Z)(A-Z0-9_)*
 <MACROVAL>             ::= "$(" <MACRO> ")"
-<PcdFieldName>         ::= <TokenSpaceGuidCName> "." <PcdCName> "." <Field>
+<PcdFieldName>         ::= <TokenSpaceGuidCName> "." <PcdCName> ["["<Number>"]"]* "." <Field>
 <PcdName>              ::= <TokenSpaceGuidCName> "." <PcdCName>
 <PcdCName>             ::= <CName>
 <TokenSpaceGuidCName>  ::= <CName>
@@ -239,10 +239,11 @@ The following are common definitions used by multiple section types.
 <StringVal>            ::= {<UnicodeString>} {<CString>} {<Array>}
 <Array>                ::= "{" {<Array>} {[<Lable>] <ArrayVal>
                            [<CommaSpace> [<Lable>] <ArrayVal>]* } "}"
-<ArrayVal>             ::= {<Num8Array>} {<GuidStr>} {<DevicePath>}
+<ArrayVal>             ::= {<Num8Array>} {<GuidStr>} {<DevicePath>} {<CodeStr>}
 <NonNumType>           ::= {<BoolVal>} {<UnicodeString>} {<CString>}
                            {<Offset>} {<UintMac>}
 <GuidStr>              ::= "GUID(" <GuidVal> ")"
+<CodeStr>              ::= "CODE(" <CData> ")"
 <GuidVal>              ::= {<DblQuote> <RegistryFormatGUID> <DblQuote>}
                            {<CFormatGUID>} {<CName>}
 <DevicePath>           ::= "DEVICE_PATH(" <DevicePathStr> ")"
@@ -345,6 +346,11 @@ All C data arrays used in PCD value fields must be byte arrays. The C format
 GUID style is a special case that is permitted in some fields that use the
 `<CArray>` nomenclature.
 
+**_CData_**
+
+All C data used in PCD value CODE syntax can be C style value to initialize 
+C structure or Array in C source code.
+
 **_EOL_**
 
 The DOS End Of Line: "0x0D 0x0A" character must be used for all EDK II
-- 
2.13.0.windows.1