INLINE void
cpu_reset_instcount_and_cputime(REGS* regs)
{
/* Reset instruction counts, I/O counts and real CPU time */
regs->prevcount = 0;
regs->instcount = 0;
regs->mipsrate = 0;
regs->siocount = 0;
regs->siosrate = 0;
regs->siototal = 0;
regs->cpupct = 0;
regs->rcputime = 0;
regs->bcputime = thread_cputime_us(regs);
}
/*-------------------------------------------------------------------*/
int ARCH_DEP(cpu_reset) (REGS *regs)
{
int i, rc = 0; /* Array subscript */
regs->ip = regs->inst;
/* Clear indicators */
regs->loadstate = 0;
regs->checkstop = 0;
regs->sigpreset = 0;
regs->extccpu = 0;
for (i = 0; i < sysblk.maxcpu; i++)
regs->emercpu[i] = 0;
regs->instinvalid = 1;
regs->instcount = regs->prevcount = 0;
/* Clear interrupts */
SET_IC_INITIAL_MASK(regs);
SET_IC_INITIAL_STATE(regs);
/* Clear the translation exception identification */
regs->EA_G = 0;
regs->excarid = 0;
/* Clear monitor code */
regs->MC_G = 0;
/* Purge the lookaside buffers */
ARCH_DEP(purge_tlb) (regs);
#if defined(FEATURE_ACCESS_REGISTERS)
ARCH_DEP(purge_alb) (regs);
#endif /*defined(FEATURE_ACCESS_REGISTERS)*/
if(regs->host)
{
/* Put the CPU into the stopped state */
regs->opinterv = 0;
regs->cpustate = CPUSTATE_STOPPED;
ON_IC_INTERRUPT(regs);
}
#ifdef FEATURE_INTERVAL_TIMER
ARCH_DEP(store_int_timer_nolock) (regs);
#endif
if(regs->host && regs->guestregs)
{
rc = ARCH_DEP(cpu_reset)(regs->guestregs);
/* CPU state of SIE copy cannot be controlled */
regs->guestregs->opinterv = 0;
regs->guestregs->cpustate = CPUSTATE_STARTED;
}
/* Initialize Architecture Level Set */
init_als(regs);
/* Reset real CPU time used */
regs->rcputime = 0;
regs->bcputime = thread_cputime_us(regs);
return rc;
} /* end function cpu_reset */
