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/* IBM_PROLOG_BEGIN_TAG
* This is an automatically generated prolog.
*
* $Source: src/usr/diag/attn/test/attnfakegp1.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 attnfakegp1.C
*
* @brief HBATTN fake GP1 class method definitions.
*/
#include "attnfakegp1.H"
#include "attnfakesys.H"
#include "../attntarget.H"
using namespace TARGETING;
using namespace PRDF;
using namespace std;
namespace ATTN
{
void setFlag(uint64_t i_type, void * i_data)
{
bool * f = static_cast<bool *>(i_data);
*f = true;
}
struct FindMcsArgs
{
bool reporting;
uint64_t pos;
};
void findMcs(uint64_t i_pos, void * i_data)
{
FindMcsArgs * args = static_cast<FindMcsArgs *>(i_data);
if(i_pos == args->pos)
{
args->reporting = true;
}
}
errlHndl_t FakeGp1::processPutReg(
FakeSystem & i_sys,
TargetHandle_t i_target,
uint64_t i_address,
uint64_t i_new,
uint64_t i_old)
{
errlHndl_t err = 0;
uint64_t mcsPos;
TargetHandle_t membuf = getTargetService().getMembuf(i_target);
TargetHandle_t proc = getTargetService().getProc(membuf);
getTargetService().getMcsPos(i_target, mcsPos);
uint64_t gp1Content = i_sys.getReg(proc, GP1::address);
bool set = false, cleared = false, on = false;
// these mci bits turned on
MCI::forEach(i_new & ~i_old, &set, &setFlag);
// these mci bits turned off
MCI::forEach(~i_new & i_old, &cleared, &setFlag);
// these mci bits are on
MCI::forEach(i_new, &on, &setFlag);
// whether or not the mcs is reporting
FindMcsArgs args;
args.reporting = false;
args.pos = mcsPos;
GP1::forEach(gp1Content, &args, &findMcs);
uint64_t writebits;
GP1::getCheckbits(mcsPos, writebits);
if(args.reporting && cleared && !on)
{
// this mcs is reporting, but all the bits in the MCI FIR
// have turned off.
err = i_sys.modifyReg(
proc,
GP1::address,
~writebits,
SCOM_AND);
}
else if(!args.reporting && set)
{
// this mcs wasn't reporting before, but now a bit is on
err = i_sys.modifyReg(
proc,
GP1::address,
writebits,
SCOM_OR);
}
return err;
}
void FakeGp1::install(FakeSystem & i_sys)
{
// monitor changes to mci firs
i_sys.addReg(MCI::address, *this);
}
}
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