From 976575c12b5da66996a3204ec711e4937a3ef240 Mon Sep 17 00:00:00 2001 From: Alexey Gavrilov Date: Thu, 22 Feb 2024 15:21:36 +0700 Subject: Some updates --- arch/x86/cpuinfo/CpuidCheck.s | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 arch/x86/cpuinfo/CpuidCheck.s (limited to 'arch/x86/cpuinfo/CpuidCheck.s') 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: -- cgit v1.2.3