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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. 2012,2013 */
/* */
/* 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 otherwise */
/* 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;
}
/**
* @brief set HWAS Changed flag to subscription mask
*
* This will be used by the HCDB service - when the target has
* changed, this will get called to tell the appropriate services
* that the change has occured.
*/
void update_hwas_changed_mask(Target * i_target)
{
i_target->setAttr<ATTR_HWAS_STATE_CHANGED_FLAG>(
i_target->getAttr<ATTR_HWAS_STATE_CHANGED_SUBSCRIPTION_MASK>());
}
/**
* @brief clear bit in HWAS Changed Mask
*
* This will be used by the appropriate services when they have handled
* the change flag for this target.
*/
void clear_hwas_changed_bit(Target * i_target, const HWAS_CHANGED_BIT i_bit)
{
ATTR_HWAS_STATE_CHANGED_FLAG_type hwasChangedState =
i_target->getAttr<ATTR_HWAS_STATE_CHANGED_FLAG>();
hwasChangedState &= ~i_bit;
i_target->setAttr<ATTR_HWAS_STATE_CHANGED_FLAG>(hwasChangedState);
}
/**
* @brief Checks if we are loading a PHYP payload
*/
bool is_phyp_load( ATTR_PAYLOAD_KIND_type* o_type )
{
Target* sys = NULL;
targetService().getTopLevelTarget( sys );
assert(sys != NULL);
// get the current payload kind
ATTR_PAYLOAD_KIND_type payload_kind = sys->getAttr<ATTR_PAYLOAD_KIND>();
// read the mfg flags if we haven't already
if( payload_kind != PAYLOAD_KIND_AVP )
{
ATTR_MNFG_FLAGS_type mnfg_flags = sys->getAttr<ATTR_MNFG_FLAGS>();
// if any AVP flags are set, override the payload kind
if( (mnfg_flags & MNFG_FLAG_BIT_MNFG_AVP_ENABLE)
|| (mnfg_flags & MNFG_FLAG_BIT_MNFG_HDAT_AVP_ENABLE) )
{
if( payload_kind != PAYLOAD_KIND_AVP )
{
payload_kind = PAYLOAD_KIND_AVP;
sys->setAttr<ATTR_PAYLOAD_KIND>(payload_kind);
}
}
}
if( o_type )
{
*o_type = payload_kind;
}
return( PAYLOAD_KIND_PHYP == payload_kind );
}
/**
* @brief Utility function to determine if Sapphire is the payload
*
* @description If the payload kind is Sapphire returns true. Does
* not matter if it is Sapphire with FSP or standalone
*
* @return bool True when loadding sapphire
*/
bool is_sapphire_load(void)
{
TARGETING::Target * sys = NULL;
TARGETING::targetService().getTopLevelTarget( sys );
assert(sys != NULL);
return (TARGETING::PAYLOAD_KIND_SAPPHIRE ==
sys->getAttr<TARGETING::ATTR_PAYLOAD_KIND>());
}
}
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