michaelkuc6/blog_os
1
0
Fork 0
mirror of https://github.com/phil-opp/blog_os.git synced 2025-12-16 14:27:49 +00:00
Code Issues Projects Releases Wiki Activity

Use cmp and je instead of xor and jz

Browse Source
This commit is contained in:
Philipp Oppermann
2016-02-01 23:42:09 +01:00
parent b9c94baaaa
commit c2c863c7f3
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/arch/x86_64/boot.asm
View File

@@ -139,8 +139,8 @@ check_cpuid:
; Compare EAX and ECX. If they are equal then that means the bit wasn't ; Compare EAX and ECX. If they are equal then that means the bit wasn't
; flipped, and CPUID isn't supported. ; flipped, and CPUID isn't supported.
xor eax, ecx cmp eax, ecx
jz .no_cpuid je .no_cpuid
ret ret
.no_cpuid: .no_cpuid:
mov al, "1" mov al, "1"