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-rw-r--r--arch/x86/include/asm/processor-cyrix.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor-cyrix.h b/arch/x86/include/asm/processor-cyrix.h
new file mode 100644
index 000000000..efe3e46e4
--- /dev/null
+++ b/arch/x86/include/asm/processor-cyrix.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * NSC/Cyrix CPU indexed register access. Must be inlined instead of
+ * macros to ensure correct access ordering
+ * Access order is always 0x22 (=offset), 0x23 (=value)
+ */
+
+#include <asm/pc-conf-reg.h>
+
+static inline u8 getCx86(u8 reg)
+{
+ return pc_conf_get(reg);
+}
+
+static inline void setCx86(u8 reg, u8 data)
+{
+ pc_conf_set(reg, data);
+}