From cbcbf6e7d614ecf94dd7e1b9033f8d599f48662e Mon Sep 17 00:00:00 2001
From: Alexey Gavrilov <rebovas@yahoo.com>
Date: Thu, 22 Feb 2024 14:18:39 +0700
Subject: Implement support of cpuid instruction + include folder + some
 updates

---
 arch/x86/cpuinfo/CpuInfo.s | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 arch/x86/cpuinfo/CpuInfo.s

(limited to 'arch/x86/cpuinfo/CpuInfo.s')

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: 
-- 
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