Three Versions of CPUID

The CPUID of the three versions-general Linux technology-Linux programming and kernel information. The following is a detailed description. First version
X86-ubuntu-64 bit environment, at&t format (gas assembly), called using linux:

CODE: # cpuid. s show extract the processor vendor ID . Section. data Output: . Ascii "the processor vendor ID is 'xxxxxxxxxxxx' \ n" . Section. text . Globl main Main: Movl $0, % eax Cpuid Movl $ output, % edi Movl % ebx, 28 (% edi) Movl % edx, 32 (% edi) Movl % ecx, 36 (% edi) Movl $4, % eax Movl $1, % ebx Movl $ output, % ecx Movl $42, % edx Int $0x80 Movl $1, % eax Movl $0, % ebx Int $0x80