Chameleon

Chameleon Commit Details

Date:2015-03-10 16:58:48 (4 years 8 months ago)
Author:ErmaC
Commit:2607
Parents: 2606
Message:Indent
Changes:
M/trunk/i386/libsaio/cpu.c
M/trunk/i386/modules/AcpiCodec/acpi_codec.c

File differences

trunk/i386/libsaio/cpu.c
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static uint64_t timeRDTSC(void)
{
intattempts = 0;
uint64_t latchTime;
uint64_t latchTime;
uint64_tsaveTime,intermediate;
unsigned int timerValue, lastValue;
unsigned inttimerValue, lastValue;
//boolean_tint_enabled;
/*
* Table of correction factors to account for
ROUND64(SAMPLE_MULTIPLIER/(double)(SAMPLE_CLKS_INT-5))
};
//int_enabled = ml_set_interrupts_enabled(FALSE);
//int_enabled = ml_set_interrupts_enabled(false);
restart:
if (attempts >= 9) // increase to up to 9 attempts.
{
// This will flash-reboot. TODO: Use tscPanic instead.
// This will flash-reboot. TODO: Use tscPanic instead.
printf("Timestamp counter calibation failed with %d attempts\n", attempts);
}
attempts++;
enable_PIT2();// turn on PIT2
set_PIT2(0);// reset timer 2 to be zero
latchTime = rdtsc64();// get the time stamp to time
latchTime = rdtsc64();// get the time stamp to time
latchTime = get_PIT2(&timerValue) - latchTime; // time how long this takes
set_PIT2(SAMPLE_CLKS_INT);// set up the timer for (almost) 1/20th a second
saveTime = rdtsc64();// now time how long a 20th a second is...
{
do_cpuid(5, p->CPU.CPUID[CPUID_5]);
}
if (p->CPU.CPUID[CPUID_0][0] >= 6)// Thermal/Power
{
do_cpuid(6, p->CPU.CPUID[CPUID_6]);
}
do_cpuid(0x80000000, p->CPU.CPUID[CPUID_80]);
if ((p->CPU.CPUID[CPUID_80][0] & 0x0000000f) >= 8)
{
do_cpuid(0x80000008, p->CPU.CPUID[CPUID_88]);
// MSR is *NOT* available on the Intel Atom CPU
if ((p->CPU.Model == CPUID_MODEL_ATOM) && (strstr(p->CPU.BrandString, "270")))
{
p->CPU.NoCores= 1;
p->CPU.NoThreads= 2;
p->CPU.NoCores= 1;
p->CPU.NoThreads= 2;
}
/* setup features */
trunk/i386/modules/AcpiCodec/acpi_codec.c
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U32 index;
for (index=0; index < cpu->pkg_pstates.num_pstates; index ++)
{
PSTATE * pstate = &cpu->pkg_pstates.pstate[index];
PSTATE *pstate = &cpu->pkg_pstates.pstate[index];
// Set ratio
pstate->ratio = computePstateRatio(cpu->max_ratio_as_cfg, cpu->min_ratio, cpu->turbo_available, cpu->pkg_pstates.num_pstates, index);
// Compute frequency based on ratio
if ((index != 0) || (cpu->turbo_available == 0))
{
pstate->frequency = pstate->ratio * get_bclk();
}
else
{
pstate->frequency = ((pstate->ratio - 1) * get_bclk()) + 1;
}
// Compute power based on ratio and other data
if (pstate->ratio >= cpu->max_ratio_as_mfg)
{
// Use max power in mW
pstate->power = TDP * 1000;
}
else
{
pstate->power = compute_pstate_power(cpu, pstate->ratio, TDP);

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Revision: 2607