マイクロコードのリビジョン確認

Linuxではモジュール書くまでも無く確認できるツールがあった模様。

# modprobe msr
# x86info --microcode
Found 1 CPU
--------------------------------------------------------------------------
Family: 6 Model: 13 Stepping: 8 Type: 0 Brand: 6
CPU Model: Pentium M  Original OEM
Feature flags:
 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflsh dtes acpi mmx fxsr sse sse2 selfsnoop acc pbe
Extended feature flags:
 est tm2
L1 Instruction cache:
        :Size 32KB      8-way associative.
        line size=64 bytes.
L1 Data cache:
        Size: 32KB      8-way associative.
        line size=64 bytes.
Instruction TLB: 4K pages, 4-way associative, 128 entries.
Instruction TLB: 4MB pages, fully associative, 2 entries
Data TLB: 4K pages, 4-way associative, 128 entries.
Data TLB: 4MB pages, 4-way associative, 8 entries
Microcode version: 0x0000000000000020

他にも色々拾えて面白い感じ。