CPUID

REG0=XED_REG_EAX:rw:SUPP REG1=XED_REG_EBX:w:SUPP REG2=XED_REG_ECX:crw:SUPP REG3=XED_REG_EDX:w:SUPP

x86_64 X86_LEGACY MISC I486REAL source: xed

XED_CPUID_X86_LEGACY_0F_A2_52083

Encoding

encoding_kindX86_LEGACY
opcode_bytesA2
opcode_map0F
mandatory_prefix-
has_modrmFalse
attributesNOTSX
cpl3
raw_encoding0x0F 0xA2

Operands (4)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG (=EAX) RW SUPPRESSED MODRM_REG
1 REG1 REG (=EBX) w W SUPPRESSED MODRM_REG
2 REG2 REG (=ECX) R SUPPRESSED MODRM_REG
3 REG3 REG (=EDX) w W SUPPRESSED MODRM_REG

Micro-ops sequence (0)

No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.