summaryrefslogtreecommitdiffstats
path: root/src/usr/secureboot
diff options
context:
space:
mode:
Diffstat (limited to 'src/usr/secureboot')
-rw-r--r--src/usr/secureboot/trusted/tpmLogMgr.C33
-rw-r--r--src/usr/secureboot/trusted/tpmLogMgr.H9
2 files changed, 42 insertions, 0 deletions
diff --git a/src/usr/secureboot/trusted/tpmLogMgr.C b/src/usr/secureboot/trusted/tpmLogMgr.C
index fe773d5f3..625c6261a 100644
--- a/src/usr/secureboot/trusted/tpmLogMgr.C
+++ b/src/usr/secureboot/trusted/tpmLogMgr.C
@@ -572,6 +572,39 @@ namespace TRUSTEDBOOT
i_val->devtreeI2cMasterOffset = i_i2cMasterOffset;
}
+ void TpmLogMgr_relocateTpmLog(TpmLogMgr* i_val,
+ uint8_t* i_newLog,
+ size_t i_maxSize)
+ {
+ mutex_lock( &i_val->logMutex );
+
+ TRACUCOMP( g_trac_trustedboot,
+ ">>relocateTpmLog() LogSize:%d MaxSize:%d",
+ i_val->logSize, i_maxSize);
+
+ assert(i_newLog != NULL, "Bug! Log start address is nullptr");
+ assert(i_val->eventLogInMem == NULL,
+ "relocateTpmLog can only be called once");
+ assert(i_val->logSize < i_maxSize,
+ "Logsize is greater than maxsize");
+
+ // Point logMgr to new location
+ i_val->eventLogInMem = i_newLog;
+
+ // Copy log into new location
+ memset(i_val->eventLogInMem, 0, i_maxSize);
+ memcpy(i_val->eventLogInMem, i_val->eventLog, i_val->logSize);
+ i_val->newEventPtr = i_val->eventLogInMem + i_val->logSize;
+
+ mutex_unlock( &i_val->logMutex );
+
+ TRACUCOMP( g_trac_trustedboot,
+ "<<relocateTpmLog() Addr:%p",
+ i_newLog);
+ return;
+ }
+
+
#endif
#ifdef __cplusplus
diff --git a/src/usr/secureboot/trusted/tpmLogMgr.H b/src/usr/secureboot/trusted/tpmLogMgr.H
index 09adc2f63..6828e42fe 100644
--- a/src/usr/secureboot/trusted/tpmLogMgr.H
+++ b/src/usr/secureboot/trusted/tpmLogMgr.H
@@ -164,6 +164,15 @@ namespace TRUSTEDBOOT
void TpmLogMgr_setTpmDevtreeInfo(TpmLogMgr* i_val,
uint64_t i_xscomAddr,
uint32_t i_i2cMasterOffset);
+ /**
+ * @brief Relocate the TPM log to the provided location
+ * @param[in] i_val TpmLogMgr structure
+ * @param[in] i_newLog Pointer to locate to place log
+ * @param[in] i_maxSize Size of newLog location
+ */
+ void TpmLogMgr_relocateTpmLog(TpmLogMgr* i_val,
+ uint8_t* i_newLog,
+ size_t i_maxSize);
#endif
OpenPOWER on IntegriCloud