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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 79f98905b3..d9f38f57ee 100644
--- a/src/include/cpu/x86/mtrr.h
+++ b/src/include/cpu/x86/mtrr.h
@@ -45,6 +45,9 @@
#if !defined (__ASSEMBLER__) && !defined(__PRE_RAM__)
+#include <stdint.h>
+#include <stddef.h>
+
/*
* The MTRR code has some side effects that the callers should be aware for.
* 1. The call sequence matters. x86_setup_mtrrs() calls
@@ -77,6 +80,10 @@ void x86_setup_fixed_mtrrs(void);
/* Set up fixed MTRRs but do not enable them. */
void x86_setup_fixed_mtrrs_no_enable(void);
void x86_mtrr_check(void);
+
+/* Insert a temporary MTRR range for the duration of coreboot's runtime.
+ * This function needs to be called after the first MTRR solution is derived. */
+void mtrr_use_temp_range(uintptr_t begin, size_t size, int type);
#endif
#if !defined(__ASSEMBLER__) && defined(__PRE_RAM__) && !defined(__ROMCC__)