CpuFrequency.c

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#include <Library/OcCpuLib.h>
#include <Library/DebugLib.h>
 
typedef struct FREQUENCY_TEST_ {
  UINT64         FrequencyHz;
  UINT16         FrequencyMHz;
  CONST CHAR8    *Model;
} FREQUENCY_TEST;
 
STATIC FREQUENCY_TEST  mTests[] = {
  { 3506084610 /* Hz */, 3500 /* MHz, Raw 3506 MHz */, "i7 4770K"   },
  { 3324999575 /* Hz */, 3330 /* MHz, Raw 3325 MHz */, "Xeon X5680" },
  { 3324999977 /* Hz */, 3330 /* MHz, Raw 3325 MHz */, "Xeon X5680" },
  { 3457999888 /* Hz */, 3460 /* MHz, Raw 3458 MHz */, "Xeon X5690" },
  { 2666362112 /* Hz */, 2660 /* MHz, Raw 2666 MHz */, "C2Q Q9450"  },
  { 3058999712 /* Hz */, 3060 /* MHz, Raw 3059 MHz */, "Xeon X5675" },
  { 1992617296 /* Hz */, 2000 /* MHz, Raw 1993 MHz */, "i7 2630QM"  },
  { 3010680273 /* Hz */, 3000 /* MHz, Raw 3011 MHz */, "P4 530"     },
  { 2389242546 /* Hz */, 2400 /* MHz, Raw 2389 MHz */, "C2D P8600"  },
};
 
INT32
ENTRY_POINT (
  void
  )
{
  int     RetVal;
  UINT16  Read;
  UINTN   Index;
 
  RetVal = 0;
 
  for (Index = 0; Index < ARRAY_SIZE (mTests); ++Index) {
    Read = OcCpuFrequencyToDisplayFrequency (mTests[Index].FrequencyHz);
    if (Read != mTests[Index].FrequencyMHz) {
      DEBUG ((
        DEBUG_WARN,
        "Frequency %04u instead if %04u for %a\n",
        Read,
        mTests[Index].FrequencyMHz,
        mTests[Index].Model
        ));
      RetVal = 1;
    }
  }
 
  return RetVal;
}