X86 CPU Identification Tool

Edit Package cpuid
http://www.etallen.com/

cpuid executes the CPUID instruction on x86-family CPUs and decodes the
results into English descriptions. It knows about Intel, AMD, and Cyrix CPUs,
and is fairly complete.

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Source Files
Filename Size Changed
cpuid-20230406.src.tar.gz 0000147932 144 KB
cpuid.changes 0000022529 22 KB
cpuid.spec 0000001796 1.75 KB
Revision 45 (latest revision is 50)
Jan Engelhardt's avatar Jan Engelhardt (jengelh) accepted request 1079377 from Egbert Eich's avatar Egbert Eich (eeich) (revision 45)
- Update to release 20230406:
  * Fixed bug when interpreting leaf 0xb and 0x1f bit widths:
    Interpret as bit *offsets*, not *widths* of leaf 4. This fixes off by 1
    in (APIC width synth) and incorrectly shifted (APIC synth) PKG_ID & CORE_ID
    values.
  * For 0xb/*/eax & 0x1f/*/eax, rename field to "bit width of
    level & previous levels" to reflect this definition.
  * Support APIC bit fields for the newest 4 topology
    layers: module, tile, die, die group.  And for the mp version, also
    the older cu & pkg levels.
  * Use the extended APIC ID's when available in a variety of leaves.
  * Support leaf 0xb method for AMD/Hygon.
  * Added prelim Bergamo A1 stepping from sample from @YuuKi_AnS.
  * Added 7/1/edx AMX-COMPLEX instructions.
  * Added 7/2/edx UC-lock disable.
  * Added 0x10/n/ecx non-contiguous 1s value supported.
  * Added 0x1c/ecx event logging supported bitmap.
  * Added 0x23/0/ebx decoding.
  * Decode 0x80000026/1/ebx core type & native model.
  * For 0x80000021/eax, capitalize REP STOSB & REP CMPSB to match
    Intel versions in 7/1/eax.
  * For 0x80000022/ecx, shorten description, show bitmask only in
    hex.
  * Update CPUID utility with new feature bits as documented in
    the AMD Processor Programming Reference for Family 19h and Model 11h:
    0x8000000a/edx extended LVT offset fault change
    0x80000021/eax enhanced predictive store forwarding, FSRS, FSRC,
    FsGsKernelGsBaseNonSerializing
    0x80000022/ebx number of available UMC PMCs
    0x80000022/ecx bitmask representing active UMCs
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