diff options
| author | Alexey Gavrilov <rebovas@yahoo.com> | 2024-02-22 14:18:39 +0700 |
|---|---|---|
| committer | Alexey Gavrilov <rebovas@yahoo.com> | 2024-02-22 14:18:39 +0700 |
| commit | cbcbf6e7d614ecf94dd7e1b9033f8d599f48662e (patch) | |
| tree | 59872849d347794cc58c8ad3aa201a14e0db526f /arch/x86/cpuinfo/CpuInfo.s | |
| parent | c18781e37e6bfe153e7c0f2bc8b04df0aecf151d (diff) | |
Implement support of cpuid instruction + include folder + some updates
Diffstat (limited to 'arch/x86/cpuinfo/CpuInfo.s')
| -rw-r--r-- | arch/x86/cpuinfo/CpuInfo.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/cpuinfo/CpuInfo.s b/arch/x86/cpuinfo/CpuInfo.s new file mode 100644 index 0000000..67bc9eb --- /dev/null +++ b/arch/x86/cpuinfo/CpuInfo.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: |