ReadMsr64.c

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#include <Library/RegisterFilterLib.h>
 
UINT64
AsmReadMsr64Internal (
  IN UINT32  Index
  )
{
  _asm {
    mov     ecx, Index
    rdmsr
  }
}
 
UINT64
EFIAPI
AsmReadMsr64 (
  IN UINT32  Index
  )
{
  UINT64   Value;
  BOOLEAN  Flag;
 
  Flag = FilterBeforeMsrRead (Index, &Value);
  if (Flag) {
    Value = AsmReadMsr64Internal (Index);
  }
 
  FilterAfterMsrRead (Index, &Value);
 
  return Value;
}