CpuInfoDump.c

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#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PrintLib.h>
#include <Library/OcDeviceMiscLib.h>
#include <Library/OcStringLib.h>
 
EFI_STATUS
OcCpuInfoDump (
  IN OC_CPU_INFO        *CpuInfo,
  IN EFI_FILE_PROTOCOL  *Root
  )
{
  EFI_STATUS         Status;
  OC_CPU_MSR_REPORT  *Reports;
  UINTN              EntryCount;
  UINTN              Index;
 
  CHAR8   *FileBuffer;
  UINTN   FileBufferSize;
  CHAR16  TmpFileName[32];
 
  ASSERT (CpuInfo != NULL);
  ASSERT (Root    != NULL);
 
  FileBufferSize = SIZE_1KB;
  FileBuffer     = AllocateZeroPool (FileBufferSize);
  if (FileBuffer == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }
 
  //
  // Firstly, dump basic CPU info.
  //
  OcAsciiPrintBuffer (
    &FileBuffer,
    &FileBufferSize,
    "CPU BrandString: %a\nMicrocodeRevision: 0x%08X\nVirtualization %d\n",
    CpuInfo->BrandString,
    CpuInfo->MicrocodeRevision,
    CpuInfo->Hypervisor
    );
  OcAsciiPrintBuffer (
    &FileBuffer,
    &FileBufferSize,
    "CPUID %08X %08X %08X %08X\nExtSigEcx %08X\nExtSigEdx %08X\n",
    CpuInfo->CpuidVerEax.Uint32,
    CpuInfo->CpuidVerEbx.Uint32,
    CpuInfo->CpuidVerEcx.Uint32,
    CpuInfo->CpuidVerEdx.Uint32,
    CpuInfo->CpuidExtSigEcx.Uint32,
    CpuInfo->CpuidExtSigEdx.Uint32
    );
  OcAsciiPrintBuffer (
    &FileBuffer,
    &FileBufferSize,
    "Type 0x%02X\nFamily 0x%02X\nModel 0x%02X\nExtModel 0x%02X\nExtFamily 0x%02X\nStepping 0x%02X\n",
    CpuInfo->Type,
    CpuInfo->Family,
    CpuInfo->Model,
    CpuInfo->ExtModel,
    CpuInfo->ExtFamily,
    CpuInfo->Stepping
    );
  OcAsciiPrintBuffer (
    &FileBuffer,
    &FileBufferSize,
    "Features 0x%16LX\nExtFeatures 0x%16LX\nSignature 0x%08X\n",
    CpuInfo->Features,
    CpuInfo->ExtFeatures,
    CpuInfo->Signature
    );
  OcAsciiPrintBuffer (
    &FileBuffer,
    &FileBufferSize,
    "Brand 0x%02X\nAppleProcessorType 0x%04X\nCstConfigLock %d\nCpuGeneration %d\n",
    CpuInfo->Brand,
    CpuInfo->AppleProcessorType,
    CpuInfo->CstConfigLock,
    CpuInfo->CpuGeneration
    );
  OcAsciiPrintBuffer (
    &FileBuffer,
    &FileBufferSize,
    "MaxId 0x%08X\nMaxExtId 0x%08X\n",
    CpuInfo->MaxId,
    CpuInfo->MaxExtId
    );
  OcAsciiPrintBuffer (
    &FileBuffer,
    &FileBufferSize,
    "PackageCount %u\nCoreCount %u\nThreadCount %u\n",
    CpuInfo->PackageCount,
    CpuInfo->CoreCount,
    CpuInfo->ThreadCount
    );
  OcAsciiPrintBuffer (
    &FileBuffer,
    &FileBufferSize,
    "ExternalClock %u\n",
    CpuInfo->ExternalClock
    );
  OcAsciiPrintBuffer (
    &FileBuffer,
    &FileBufferSize,
    "ARTFrequency %Lu\nCPUFrequency %Lu\nCPUFrequencyFromTSC %Lu\nCPUFrequencyFromART %Lu\nTscAdjust %Lu\nCPUFrequencyFromApple %Lu\nCPUFrequencyFromVMT %Lu\nFSBFrequency %Lu\n\n",
    CpuInfo->ARTFrequency,
    CpuInfo->CPUFrequency,
    CpuInfo->CPUFrequencyFromTSC,
    CpuInfo->CPUFrequencyFromART,
    CpuInfo->TscAdjust,
    CpuInfo->CPUFrequencyFromApple,
    CpuInfo->CPUFrequencyFromVMT,
    CpuInfo->FSBFrequency
    );
 
  //
  // Then, get reports of MSR status.
  //
  Reports = OcCpuGetMsrReports (CpuInfo, &EntryCount);
  if (Reports == NULL) {
    return EFI_UNSUPPORTED;
  }
 
  for (Index = 0; Index < EntryCount; ++Index) {
    OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "CPU%02u:\n", Index);
 
    //
    // MSR_PLATFORM_INFO
    //
    if (Reports[Index].CpuHasMsrPlatformInfo) {
      OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "MSR_PLATFORM_INFO: 0x%llX\n", Reports[Index].CpuMsrPlatformInfoValue);
    }
 
    //
    // MSR_TURBO_RATIO_LIMIT
    //
    if (Reports[Index].CpuHasMsrTurboRatioLimit) {
      OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "MSR_TURBO_RATIO_LIMIT: 0x%llX\n", Reports[Index].CpuMsrTurboRatioLimitValue);
    }
 
    //
    // MSR_PKG_POWER_INFO (TODO: To be confirmed)
    //
    if (Reports[Index].CpuHasMsrPkgPowerInfo) {
      OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "MSR_PKG_POWER_INFO: 0x%llX\n", Reports[Index].CpuMsrPkgPowerInfoValue);
    }
 
    //
    // MSR_BROADWELL_PKG_CST_CONFIG_CONTROL_REGISTER (0xE2)
    //
    if (Reports[Index].CpuHasMsrE2) {
      OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "MSR_BROADWELL_PKG_CST_CONFIG_CONTROL_REGISTER (0xE2): 0x%llX\n", Reports[Index].CpuMsrPkgPowerInfoValue);
    }
 
    //
    // MSR_IA32_MISC_ENABLE
    //
    if (Reports[Index].CpuHasMsrIa32MiscEnable) {
      OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "MSR_IA32_MISC_ENABLE: 0x%llX\n", Reports[Index].CpuMsrIa32MiscEnableValue);
    }
 
    //
    // MSR_IA32_EXT_CONFIG
    //
    if (Reports[Index].CpuHasMsrIa32ExtConfig) {
      OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "MSR_IA32_EXT_CONFIG: 0x%llX\n", Reports[Index].CpuMsrIa32ExtConfigValue);
    }
 
    //
    // MSR_FSB_FREQ
    //
    if (Reports[Index].CpuHasMsrFsbFreq) {
      OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "MSR_FSB_FREQ: 0x%llX\n", Reports[Index].CpuMsrFsbFreqValue);
    }
 
    //
    // MSR_IA32_PERF_STATUS
    //
    if (Reports[Index].CpuHasMsrIa32PerfStatus) {
      OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "MSR_IA32_PERF_STATUS: 0x%llX\n", Reports[Index].CpuMsrIa32PerfStatusValue);
    }
 
    OcAsciiPrintBuffer (&FileBuffer, &FileBufferSize, "\n");
  }
 
  //
  // Save dumped CPU info to file.
  //
  if (FileBuffer != NULL) {
    UnicodeSPrint (TmpFileName, sizeof (TmpFileName), L"CPUInfo.txt");
    Status = OcSetFileData (Root, TmpFileName, FileBuffer, (UINT32)AsciiStrLen (FileBuffer));
    DEBUG ((DEBUG_INFO, "OCDM: Dumped CPU info - %r\n", Status));
 
    FreePool (FileBuffer);
  }
 
  FreePool (Reports);
 
  return EFI_SUCCESS;
}