95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
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#include <efi.h>
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#include <efilib.h>
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// CPUID Registers
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#define CV_IA64_CPUID0 3328
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#define CV_IA64_CPUID1 3329
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#define CV_IA64_CPUID2 3330
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#define CV_IA64_CPUID3 3331
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#define CV_IA64_CPUID4 3332
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EFI_STATUS
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EfiMain ( IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable)
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{
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UINT64 val64;
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UINT32 val32;
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UINT32 model;
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UINT32 revision;
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UINT32 family;
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InitializeLib( ImageHandle, SystemTable );
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Print( L"CPUID Program\n\n" );
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SystemTable->ConOut->ClearScreen( SystemTable->ConOut );
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val64 = __getReg( CV_IA64_CPUID3 );
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model = ( UINT32 )( ( val64 >> 16 ) & 0xFF ); // ProcessorModel
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Print( L"Processor Model = %x\n", model );
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revision = ( UINT32 )( ( val64 >> 8 ) & 0xFF ); // ProcessorRevision
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Print( L"Processor Revision = %x\n", revision );
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family = ( UINT32 ) ( ( val64 >> 24 ) & 0xFF ); // ProcessorFamily
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Print( L"Processor Family = %x\n", family );
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val32 = ( UINT32 ) ( ( val64 >> 32 ) & 0xFF ); // ProcessorArchRev
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Print( L"Processor ArchRev = %x\n\n", val32 );
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switch ( model ) {
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case 0: Print( L"Itanium " );
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break;
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case 1: Print( L"McKinley " );
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break;
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default: Print( L"IA64 " );
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break;
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}
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switch ( revision ) {
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case 0: Print( L"A stepping\n\n" );
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break;
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case 1: Print( L"B0 stepping\n\n" );
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break;
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case 2: Print( L"B1 stepping\n\n" );
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break;
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case 3: Print( L"B2 stepping \n\n" );
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break;
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default: Print( L"Unknown stepping\n\n" );
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break;
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}
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// IA64 architected CPUID0 & CPUID1: Vendor Information.
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val64 = __getReg( CV_IA64_CPUID0 );
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Print( L"VendorString[0] = %X\n", val64 );
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val64 = __getReg( CV_IA64_CPUID1 );
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Print( L"VendorString[1] = %X\n", val64 );
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// IA64 architected CPUID2: Processor Serial Number.
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val64 = __getReg( CV_IA64_CPUID2 );
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Print( L"Processor Serial Number = %X\n", val64 );
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// IA64 architected CPUID4: General Features / Capability bits.
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val64 = __getReg( CV_IA64_CPUID4 );
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Print( L"Processor Feature Bits = %X\n\n", val64 );
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return EFI_SUCCESS;
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}
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