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[ntoskrnl]

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handle the case where the cpu does not support returning the brand name
CORE-7952
 

svn path=/trunk/; revision=63798
This commit is contained in:
Christoph von Wittich 2014-08-03 19:05:14 +00:00
parent ab6a6d658b
commit 7a985425b0
1 changed files with 111 additions and 1 deletions
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112
reactos/ntoskrnl/config/i386/cmhardwr.c
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@ -226,6 +226,97 @@ Match:
return TRUE;
}
VOID
NTAPI
CmpGetIntelBrandString(OUT PCHAR CpuString)
{
ULONG BrandId, Ebx, Signature, Dummy;
/* Get the Brand Id */
CPUID(0x00000001, &Signature, &Ebx, &Dummy, &Dummy);
BrandId = Ebx & 0xFF;
switch (BrandId)
{
case 0x01:
strcpy(CpuString, "Intel(R) Celeron(R) processor");
break;
case 0x02:
case 0x04:
strcpy(CpuString, "Intel(R) Pentium(R) III processor");
break;
case 0x03:
if(Signature == 0x000006B1)
strcpy(CpuString, "Intel(R) Celeron(R) processor");
else
strcpy(CpuString, "Intel(R) Pentium(R) III Xeon(R) processor");
break;
case 0x06:
strcpy(CpuString, "Mobile Intel(R) Pentium(R) III Processor-M");
break;
case 0x08:
if(Signature >= 0x00000F13)
strcpy(CpuString, "Intel(R) Genuine Processor");
else
strcpy(CpuString, "Intel(R) Pentium(R) 4 processor");
break;
case 0x09:
strcpy(CpuString, "Intel(R) Pentium(R) 4 processor");
break;
case 0x0B:
if(Signature >= 0x00000F13)
strcpy(CpuString, "Intel(R) Xeon(R) processor");
else
strcpy(CpuString, "Intel(R) Xeon(R) processor MP");
break;
case 0x0C:
strcpy(CpuString, "Intel(R) Xeon(R) processor MP");
break;
case 0x0E:
if(Signature >= 0x00000F13)
strcpy(CpuString, "Mobile Intel(R) Pentium(R) 4 processor-M");
else
strcpy(CpuString, "Intel(R) Xeon(R) processor");
break;
case 0x12:
strcpy(CpuString, "Intel(R) Celeron(R) M processor");
break;
case 0x07:
case 0x0F:
case 0x13:
case 0x17:
strcpy(CpuString, "Mobile Intel(R) Celeron(R) processor");
break;
case 0x0A:
case 0x14:
strcpy(CpuString, "Intel(R) Celeron(R) Processor");
break;
case 0x15:
strcpy(CpuString, "Mobile Genuine Intel(R) Processor");
break;
case 0x16:
strcpy(CpuString, "Intel(R) Pentium(R) M processor");
break;
default:
strcpy(CpuString, "Unknown Intel processor");
}
}
VOID
NTAPI
CmpGetVendorString(IN PKPRCB Prcb, OUT PCHAR CpuString)
{
/* Check if we have a Vendor String */
if (Prcb->VendorString[0])
{
strcpy(CpuString, Prcb->VendorString);
}
else
{
strcpy(CpuString, "Unknown x86 processor");
}
}
NTSTATUS
NTAPI
CmpInitializeMachineDependentConfiguration(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
@ -238,7 +329,7 @@ CmpInitializeMachineDependentConfiguration(IN PLOADER_PARAMETER_BLOCK LoaderBloc
HANDLE KeyHandle, BiosHandle, SystemHandle, FpuHandle, SectionHandle;
CONFIGURATION_COMPONENT_DATA ConfigData;
CHAR Buffer[128];
ULONG ExtendedId, Dummy;
ULONG VendorId, ExtendedId, Dummy;
PKPRCB Prcb;
USHORT IndexTable[MaximumType + 1] = {0};
ANSI_STRING TempString;
@ -424,6 +515,8 @@ CmpInitializeMachineDependentConfiguration(IN PLOADER_PARAMETER_BLOCK LoaderBloc
if (!Prcb->CpuID)
{
/* Uh oh, no CPUID! */
PartialString = CpuString;
CmpGetVendorString(Prcb, PartialString);
}
else
{
@ -449,6 +542,23 @@ CmpInitializeMachineDependentConfiguration(IN PLOADER_PARAMETER_BLOCK LoaderBloc
/* Null-terminate it */
CpuString[47] = ANSI_NULL;
}
else
{
CPUID(0x00000000, &Dummy, &VendorId, &Dummy, &Dummy);
PartialString = CpuString;
switch (VendorId)
{
case 'uneG': /* Intel */
CmpGetIntelBrandString(PartialString);
break;
case 'htuA': /* AMD */
/* FIXME */
CmpGetVendorString(Prcb, PartialString);
break;
default:
CmpGetVendorString(Prcb, PartialString);
}
}
}
/* Go back to user affinity */