From: Matthias Kruk <m@m10k.eu>
Date: Tue, 3 Sep 2019 16:42:00 +0000 (+0900)
Subject: Preserve the value of the ebx register in cpu_get_capabilities()
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=205a5c7340016aaa70ec2e9b0bc12f563a886753;p=corax

Preserve the value of the ebx register in cpu_get_capabilities()
---

diff --git a/kernel/arch/cpu32.S b/kernel/arch/cpu32.S
index 1d0fb7b..e98f45f 100644
--- a/kernel/arch/cpu32.S
+++ b/kernel/arch/cpu32.S
@@ -43,9 +43,11 @@ cpu_get_id:
 .global cpu_get_capabilities
 
 cpu_get_capabilities:
+	pushl   %ebx
     movl    $1, %eax
     cpuid
     movl    %ecx, %eax
+	popl    %ebx
     ret
 
 .global cpu_timestamp