[edk2-devel] [PATCH v4 21/28] OvmfPkg: Add QemuFwCfgParseString to QemuFwCfgSimpleParserLib

[Taylor Beebe]

QemuFwCfgParseString allows reading strings from the fw_cfg file.
This function is needed for parsing the memory protection profile
name.

Signed-off-by: Taylor Beebe <taylor.d.beebe at gmail.com>
Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Jordan Justen <jordan.l.justen at intel.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
---
 OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParser.c | 11 +++++++++++
 OvmfPkg/Include/Library/QemuFwCfgSimpleParserLib.h               |  8 ++++++++
 2 files changed, 19 insertions(+)

diff --git a/OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParser.c b/OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParser.c
index c9e0091b82d1..63c8711a9f2e 100644
--- a/OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParser.c
+++ b/OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParser.c
@@ -426,3 +426,14 @@ QemuFwCfgParseUintn (
   *Value = (UINTN)Uint64;
   return RETURN_SUCCESS;
 }
+
+RETURN_STATUS
+EFIAPI
+QemuFwCfgParseString (
+  IN     CONST CHAR8  *FileName,
+  IN OUT UINTN        *BufferSize,
+  OUT    CHAR8        *Buffer
+  )
+{
+  return QemuFwCfgGetAsString (FileName, BufferSize, Buffer);
+}
diff --git a/OvmfPkg/Include/Library/QemuFwCfgSimpleParserLib.h b/OvmfPkg/Include/Library/QemuFwCfgSimpleParserLib.h
index bcbf3bc4fc96..ea9fcf7b402e 100644
--- a/OvmfPkg/Include/Library/QemuFwCfgSimpleParserLib.h
+++ b/OvmfPkg/Include/Library/QemuFwCfgSimpleParserLib.h
@@ -125,4 +125,12 @@ QemuFwCfgParseUintn (
   OUT UINTN        *Value
   );
 
+RETURN_STATUS
+EFIAPI
+QemuFwCfgParseString (
+  IN     CONST CHAR8  *FileName,
+  IN OUT UINTN        *BufferSize,
+  OUT    CHAR8        *Buffer
+  );
+
 #endif // QEMU_FW_CFG_SIMPLE_PARSER_LIB_H_
-- 
2.42.0.windows.2



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