1 files changed, 39 insertions, 0 deletions
diff --git a/xorg/server/module/x86/cpuid_x86.asm b/xorg/server/module/x86/cpuid_x86.asm
new file mode 100644
index 00000000..6f9e8c2d
--- /dev/null
+++ b/xorg/server/module/x86/cpuid_x86.asm
@@ -0,0 +1,39 @@
+
+SECTION .text
+
+%macro PROC 1
+    align 16
+    global %1
+    %1:
+%endmacro
+
+;int
+;cpuid_x86(int eax_in, int ecx_in, int *eax, int *ebx, int *ecx, int *edx)
+
+PROC cpuid_x86
+    ; save registers
+    push ebx
+    push ecx
+    push edx
+    push edi
+    ; cpuid
+    mov eax, [esp + 20]
+    mov ecx, [esp + 24]
+    cpuid
+    mov edi, [esp + 28]
+    mov [edi], eax
+    mov edi, [esp + 32]
+    mov [edi], ebx
+    mov edi, [esp + 36]
+    mov [edi], ecx
+    mov edi, [esp + 40]
+    mov [edi], edx
+    mov eax, 0
+    ; restore registers
+    pop edi
+    pop edx
+    pop ecx
+    pop ebx
+    ret;
+    align 16
+