From 57e6722453c27d35a3b02309ce21263d225a23e3 Mon Sep 17 00:00:00 2001
From: Aleksa Vuckovic <aleksa@vuckovic.cc>
Date: Wed, 22 Feb 2023 17:31:52 +0100
Subject: curr_cpu_apic_id() now works on old amd cpus

---
 kernel/src/cpu/kcpuid.c | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 kernel/src/cpu/kcpuid.c

(limited to 'kernel/src/cpu/kcpuid.c')

diff --git a/kernel/src/cpu/kcpuid.c b/kernel/src/cpu/kcpuid.c
new file mode 100644
index 0000000..30a4d3e
--- /dev/null
+++ b/kernel/src/cpu/kcpuid.c
@@ -0,0 +1,7 @@
+#include <types.h>
+#include <kcpuid.h>
+
+void kcpuid(uint32_t func, uint32_t subfunc, CPUIDinfo* info)
+{
+	__asm__ __volatile__ ( "cpuid" : "=a"(info->EAX), "=b"(info->EBX), "=c"(info->ECX), "=d"(info->EDX) : "a"(func), "c"(subfunc) : );
+}
-- 
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