-----Original Message-----
From: Wu, Hao A
Sent: Thursday, August 04, 2016 9:24 AM
To: edk2-devel@...
Cc: Wu, Hao A; Yao, Jiewen; Zhang, Chao B
Subject: [PATCH 3/3] SecurityPkg Tcg2: Remove internal implementation of IsZeroBuffer()

This commit removes the internal implementation of the function
IsZeroBuffer(). Instead, it will use the one from BaseMemoryLib.

Cc: Jiewen Yao <jiewen.yao@...>
Cc: Chao Zhang <chao.b.zhang@...>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@...>
---
SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c | 27 ---------------------------
SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c | 27 ---------------------------
SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c | 27 ---------------------------
3 files changed, 81 deletions(-)

diff --git a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
index db38bd4..5f4420c 100644
--- a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
+++ b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
@@ -617,33 +617,6 @@ FillBufferWithTCG2EventLogFormat (
}

/**
- Check if buffer is all zero.
-
- @param[in] Buffer Buffer to be checked.
- @param[in] BufferSize Size of buffer to be checked.
-
- @retval TRUE Buffer is all zero.
- @retval FALSE Buffer is not all zero.
-**/
-BOOLEAN
-IsZeroBuffer (
- IN VOID *Buffer,
- IN UINTN BufferSize
- )
-{
- UINT8 *BufferData;
- UINTN Index;
-
- BufferData = Buffer;
- for (Index = 0; Index < BufferSize; Index++) {
- if (BufferData[Index] != 0) {
- return FALSE;
- }
- }
- return TRUE;
-}
-
-/**
This function publish the TCG2 configuration Form for TPM device.

@param[in, out] PrivateData Points to TCG2 configuration private data.
diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
index 95219c0..319f245 100644
--- a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
+++ b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
@@ -202,33 +202,6 @@ InternalDumpHex (
}

/**
- Check if buffer is all zero.
-
- @param[in] Buffer Buffer to be checked.
- @param[in] BufferSize Size of buffer to be checked.
-
- @retval TRUE Buffer is all zero.
- @retval FALSE Buffer is not all zero.
-**/
-BOOLEAN
-IsZeroBuffer (
- IN VOID *Buffer,
- IN UINTN BufferSize
- )
-{
- UINT8 *BufferData;
- UINTN Index;
-
- BufferData = Buffer;
- for (Index = 0; Index < BufferSize; Index++) {
- if (BufferData[Index] != 0) {
- return FALSE;
- }
- }
- return TRUE;
-}
-
-/**
Get All processors EFI_CPU_LOCATION in system. LocationBuf is allocated inside the function
Caller is responsible to free LocationBuf.

diff --git a/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c b/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c
index a830ba8..0d779f1 100644
--- a/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c
+++ b/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c
@@ -225,33 +225,6 @@ EndofPeiSignalNotifyCallBack (
}

/**
- Check if buffer is all zero.
-
- @param[in] Buffer Buffer to be checked.
- @param[in] BufferSize Size of buffer to be checked.
-
- @retval TRUE Buffer is all zero.
- @retval FALSE Buffer is not all zero.
-**/
-BOOLEAN
-IsZeroBuffer (
- IN VOID *Buffer,
- IN UINTN BufferSize
- )
-{
- UINT8 *BufferData;
- UINTN Index;
-
- BufferData = Buffer;
- for (Index = 0; Index < BufferSize; Index++) {
- if (BufferData[Index] != 0) {
- return FALSE;
- }
- }
- return TRUE;
-}
-
-/**
Get TPML_DIGEST_VALUES data size.

@param[in] DigestList TPML_DIGEST_VALUES data.
--
1.9.5.msysgit.0