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SecurityPkg: Tcg2: Fix TCG2 PP issues

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Several issues exist in TCG2 PP
1. TCG2 PP use NVS PPRQ/PPRM as PP parameter as well as current
PP state cache. But it doesn't handle PP set failure case
2. TCG2 PP Submit TPM Operation Request to Pre-OS Environment forgets
to clean PPRM
3. Potential alignment issue

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Qin Long <qin.long@intel.com>
This commit is contained in:
Zhang, Chao B
2016-09-27 09:46:40 +08:00
parent ab970515d2
commit edb0fda25e
4 changed files with 111 additions and 27 deletions
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SecurityPkg/Tcg/Tcg2Smm/Tpm.asl
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@@ -198,6 +198,7 @@ DefinitionBlock (
//
Store (DerefOf (Index (Arg2, 0x00)), PPRQ)
Store (0, PPRM)
Store (0x02, PPIP)
//