Exemplos de cpuGetMspDirect em C++ (Cpp)

Exemplo n.º 1

Arquivo: CpuModule_InternalState.c Projeto: clehner/mpw

/// <summary>
/// Returns the master stack pointer.
/// </summary>
ULO cpuGetMspAutoMap(void)
{
  if (cpuGetFlagSupervisor() && cpuGetFlagMaster())
  {
    return cpuGetAReg(7);
  }
  return cpuGetMspDirect();
}

Exemplo n.º 2

Arquivo: CpuModule_Interrupts.c Projeto: ksherlock/mpw

ULO cpuActivateSSP(void)
{
  ULO currentSP = cpuGetAReg(7);

  // check supervisor bit number (bit 13) within the system byte of the status register
  if (!cpuGetFlagSupervisor())
  {
    // we are in user mode, thus save user stack pointer (USP)
    cpuSetUspDirect(currentSP);
    currentSP = cpuGetSspDirect();

    if (cpuGetModelMajor() >= 2)
    {
      if (cpuGetFlagMaster())
      {
        currentSP = cpuGetMspDirect();
      }
    }
    cpuSetAReg(7, currentSP);
  }
  return currentSP;
}