sravan/system76-edk2
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Implement Tcg physical presence as a library instead of DXE driver in order that TPM can be locked as early as possible.

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Signed-off-by: gdong1
Reviewed-by: hhtian
Reviewed-by: niruiyu
Reviewed-by: xdu2


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12447 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
gdong1
2011-09-27 08:44:33 +00:00
parent f00237c1d2
commit 607599bf3d
10 changed files with 433 additions and 446 deletions
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16
SecurityPkg/Tcg/TcgConfigDxe/TcgConfigImpl.c
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@@ -79,13 +79,13 @@ GetTpmState (
//
if ((TpmEnable != NULL) || (TpmActivate != NULL)) {
TpmSendSize = sizeof (TPM_RQU_COMMAND_HDR) + sizeof (UINT32) * 3;
*(UINT16*)&CmdBuf[0] = H2NS (TPM_TAG_RQU_COMMAND);
*(UINT32*)&CmdBuf[2] = H2NL (TpmSendSize);
*(UINT32*)&CmdBuf[6] = H2NL (TPM_ORD_GetCapability);
*(UINT16*)&CmdBuf[0] = SwapBytes16 (TPM_TAG_RQU_COMMAND);
*(UINT32*)&CmdBuf[2] = SwapBytes32 (TpmSendSize);
*(UINT32*)&CmdBuf[6] = SwapBytes32 (TPM_ORD_GetCapability);
*(UINT32*)&CmdBuf[10] = H2NL (TPM_CAP_FLAG);
*(UINT32*)&CmdBuf[14] = H2NL (sizeof (TPM_CAP_FLAG_PERMANENT));
*(UINT32*)&CmdBuf[18] = H2NL (TPM_CAP_FLAG_PERMANENT);
*(UINT32*)&CmdBuf[10] = SwapBytes32 (TPM_CAP_FLAG);
*(UINT32*)&CmdBuf[14] = SwapBytes32 (sizeof (TPM_CAP_FLAG_PERMANENT));
*(UINT32*)&CmdBuf[18] = SwapBytes32 (TPM_CAP_FLAG_PERMANENT);
Status = TcgProtocol->PassThroughToTpm (
TcgProtocol,
@@ -95,7 +95,7 @@ GetTpmState (
CmdBuf
);
TpmRsp = (TPM_RSP_COMMAND_HDR *) &CmdBuf[0];
if (EFI_ERROR (Status) || (TpmRsp->tag != H2NS (TPM_TAG_RSP_COMMAND)) || (TpmRsp->returnCode != 0)) {
if (EFI_ERROR (Status) || (TpmRsp->tag != SwapBytes16 (TPM_TAG_RSP_COMMAND)) || (TpmRsp->returnCode != 0)) {
return EFI_DEVICE_ERROR;
}
@@ -182,7 +182,7 @@ TcgExtractConfig (
ZeroMem (&Configuration, sizeof (TCG_CONFIGURATION));
Configuration.MorState = PcdGetBool (PcdMorEnable);
Configuration.TpmOperation = ENABLE;
Configuration.TpmOperation = PHYSICAL_PRESENCE_ENABLE;
Configuration.HideTpm = (BOOLEAN) (PcdGetBool (PcdHideTpmSupport) && PcdGetBool (PcdHideTpm));
//
// Read the original value of HideTpm from PrivateData which won't be changed by Setup in this boot.