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| author | Alexey Gavrilov <rebovas@yahoo.com> | 2024-02-22 15:21:36 +0700 |
|---|---|---|
| committer | Alexey Gavrilov <rebovas@yahoo.com> | 2024-02-22 15:21:36 +0700 |
| commit | 976575c12b5da66996a3204ec711e4937a3ef240 (patch) | |
| tree | 3172b43bf6c8dc67dd4d286a1246f47fbe0e7610 /arch/x86/cpuinfo/CpuidCheck.s | |
| parent | 70aae8bb9ecd19ee197145771643d5fc1a45117d (diff) | |
Some updates
Diffstat (limited to 'arch/x86/cpuinfo/CpuidCheck.s')
| -rw-r--r-- | arch/x86/cpuinfo/CpuidCheck.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/cpuinfo/CpuidCheck.s b/arch/x86/cpuinfo/CpuidCheck.s new file mode 100644 index 0000000..67bc9eb --- /dev/null +++ b/arch/x86/cpuinfo/CpuidCheck.s @@ -0,0 +1,21 @@ +global CPUIDCHK:function +CPUIDCHK: + push ebx + pushfd + pop eax + mov ebx, eax + xor eax, 0x200000 + push eax + popfd + pushfd + pop eax + xor eax, ebx + je nocpuid + mov eax, 1 + jmp restore +nocpuid: + mov eax, 0 +restore: + pop ebx + ret +.endchk: |