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/* IBM_PROLOG_BEGIN_TAG
* This is an automatically generated prolog.
*
* $Source: src/usr/targeting/common/util.C $
*
* IBM CONFIDENTIAL
*
* COPYRIGHT International Business Machines Corp. 2012
*
* p1
*
* Object Code Only (OCO) source materials
* Licensed Internal Code Source Materials
* IBM HostBoot Licensed Internal Code
*
* The source code for this program is not published or other-
* wise divested of its trade secrets, irrespective of what has
* been deposited with the U.S. Copyright Office.
*
* Origin: 30
*
* IBM_PROLOG_END_TAG
*/
/**
* @file targeting/common/util.C
*
* @brief Provides miscellaneous utility functions to targeting, including
* a check for whether system is in simulation or not.
*/
//******************************************************************************
// Includes
//******************************************************************************
#include <targeting/common/attributes.H>
#include <targeting/common/targetservice.H>
namespace TARGETING
{
/**
* @brief Checks to see if we are running in a hardware simulation
* environment, i.e. VPO/VBU (not Simics)
*/
bool is_vpo( void )
{
struct IsVpoFunctor
{
static bool operate()
{
bool rc = false;
Target* sys = NULL;
targetService().getTopLevelTarget(sys);
uint8_t vpo_mode = 0;
if (unlikely(sys &&
sys->tryGetAttr<ATTR_IS_SIMULATION>(vpo_mode) &&
(1 == vpo_mode)))
{
rc = true;
}
return rc;
}
};
#ifdef __HOSTBOOT_MODULE
// In Hostboot this value cannot change, so cache it as a static.
static bool is_vpo_mode = IsVpoFunctor::operate();
return is_vpo_mode;
#else
// On FSP, assumption is that the user could change this, so we cannot
// cache it as a static. Read from the attribute directly.
return IsVpoFunctor::operate();
#endif
};
/**
* @brief Safely fetch the HUID of a Target
*/
uint32_t get_huid( const Target* i_target )
{
uint32_t huid = 0;
if( i_target == NULL )
{
huid = 0x0;
}
else if( i_target == MASTER_PROCESSOR_CHIP_TARGET_SENTINEL )
{
huid = 0xFFFFFFFF;
}
else
{
i_target->tryGetAttr<ATTR_HUID>(huid);
}
return huid;
}
}
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