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-rw-r--r--src/include/cpu/x86/mtrr.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/cpu/x86/mtrr.h b/src/include/cpu/x86/mtrr.h
index 58bee0412d..dcb7075e49 100644
--- a/src/include/cpu/x86/mtrr.h
+++ b/src/include/cpu/x86/mtrr.h
@@ -40,6 +40,13 @@
#if !defined (__ASSEMBLER__) && !defined(__PRE_RAM__)
#include <device/device.h>
+/* You should almost NEVER use this function.
+ * N.B. We worked on a lot of ways to make this continue as static,
+ * but just making it available ended up being the simplest solution.
+ */
+void set_var_mtrr(
+ unsigned int reg, unsigned long basek, unsigned long sizek,
+ unsigned char type, unsigned address_bits);
void enable_fixed_mtrr(void);
void x86_setup_var_mtrrs(unsigned int address_bits, unsigned int above4gb);
void x86_setup_mtrrs(void);