Hello chris,
In case you have difficulty writing x86 assembly language , I am writing a simple program for you here , compile with flat assembler and see that it works.
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format ELF64 executable at 0000000100000000h
segment readable executable
entry $
xor rax,rax
mov edx,char_count
lea rsi,[print_str]
mov edi,1
mov eax,1
syscall
xor rax,rax
xor edi,edi
mov eax,60
syscall
segment readable writeable
print_str db '64 bit program!',0xA
char_count = $-print_str .
Another sure shot way is to make use of the cpuid instruction and get the CPU identification. Just showing an example here , not really tested
macro ccall proc,[arg]
{ common
local size
size = 0
mov ebp,esp
if ~ arg eq
forward
size = size + 4
common
sub esp,size
end if
and esp,-16
if ~ arg eq
add esp,size
reverse
pushd arg
common
end if
call proc
mov esp,ebp }
format elf
section '.text' executable
public main
extrn printf
main:
xor eax , eax
cpuid
ccall printf,cpuid_str,ebx,edx,ecx
ret
section '.data' writable
cpuid_str db "Curr ID %.12s",0x0a,0
--Lucifer
"To Denouce the Evils of Truth and Love. To cause may hem and destruction and necromancy , Lucifer is here"
