tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

SecurityPkg:Tcg2Smm: Update TcgNvs info after memory is allocated 

Update package format info in _PRS to TcgNvs after memory is allocated.

Change-Id: Icfadb350e60d3ed2df332e92c257ce13309c0018
Contributed-under: TianoCore Contribution Agreement 1.1
Cc: Yao Jiewen <jiewen.yao@intel.com>
Cc: Long Qin <qin.long@intel.com>
Signed-off-by: Zhang, Chao B <chao.b.zhang@intel.com>
Reviewed-by: Long Qin <qin.long@intel.com>
This commit is contained in:
Zhang, Chao B 2018-05-18 16:38:18 +08:00
parent e243dfd12b
commit 1ea08a3dcd
1 changed files with 12 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c
View File

@ -310,15 +310,17 @@ UpdatePPVersion (
@param[in, out] Table The TPM item in ACPI table.
@param[in] IrqBuffer Input new IRQ buffer.
@param[in] IrqBuffserSize Input new IRQ buffer size.
@param[out] IsShortFormPkgLength If _PRS returns Short length Package(ACPI spec 20.2.4).
@return patch status.
**/
EFI_STATUS
UpdatePossibleResource (
EFI_ACPI_DESCRIPTION_HEADER *Table,
UINT32 *IrqBuffer,
UINT32 IrqBuffserSize
IN EFI_ACPI_DESCRIPTION_HEADER *Table,
IN UINT32 *IrqBuffer,
IN UINT32 IrqBuffserSize,
OUT BOOLEAN *IsShortFormPkgLength
)
{
UINT8 *DataPtr;
@ -431,7 +433,7 @@ UpdatePossibleResource (
//
// Notify _PRS to report short formed ResourceTemplate
//
mTcgNvs->IsShortFormPkgLength = TRUE;
*IsShortFormPkgLength = TRUE;
break;
}
@ -503,7 +505,7 @@ UpdatePossibleResource (
//
// Notify _PRS to report long formed ResourceTemplate
//
mTcgNvs->IsShortFormPkgLength = FALSE;
*IsShortFormPkgLength = FALSE;
break;
}
}
@ -672,6 +674,9 @@ PublishAcpiTable (
UINTN TableSize;
UINT32 *PossibleIrqNumBuf;
UINT32 PossibleIrqNumBufSize;
BOOLEAN IsShortFormPkgLength;
IsShortFormPkgLength = FALSE;
Status = GetSectionFromFv (
&gEfiCallerIdGuid,
@ -710,7 +715,7 @@ PublishAcpiTable (
PossibleIrqNumBufSize = (UINT32)PcdGetSize(PcdTpm2PossibleIrqNumBuf);
if (PossibleIrqNumBufSize <= MAX_PRS_INT_BUF_SIZE && (PossibleIrqNumBufSize % sizeof(UINT32)) == 0) {
Status = UpdatePossibleResource(Table, PossibleIrqNumBuf, PossibleIrqNumBufSize);
Status = UpdatePossibleResource(Table, PossibleIrqNumBuf, PossibleIrqNumBufSize, &IsShortFormPkgLength);
DEBUG ((
DEBUG_INFO,
"UpdatePossibleResource status - %x. TPM2 service may not ready in OS.\n",
@ -743,7 +748,7 @@ PublishAcpiTable (
mTcgNvs = AssignOpRegion (Table, SIGNATURE_32 ('T', 'N', 'V', 'S'), (UINT16) sizeof (TCG_NVS));
ASSERT (mTcgNvs != NULL);
mTcgNvs->TpmIrqNum = PcdGet32(PcdTpm2CurrentIrqNum);
mTcgNvs->IsShortFormPkgLength = FALSE;
mTcgNvs->IsShortFormPkgLength = IsShortFormPkgLength;
//
// Publish the TPM ACPI table. Table is re-checksumed.