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-rw-r--r--src/cpu/x86/mtrr/earlymtrr.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cpu/x86/mtrr/earlymtrr.c b/src/cpu/x86/mtrr/earlymtrr.c
index 02ad85f321..5d7ff2cf45 100644
--- a/src/cpu/x86/mtrr/earlymtrr.c
+++ b/src/cpu/x86/mtrr/earlymtrr.c
@@ -11,6 +11,7 @@
* GNU General Public License for more details.
*/
+#include <cpu/cpu.h>
#include <cpu/x86/cache.h>
#include <cpu/x86/mtrr.h>
#include <cpu/x86/msr.h>
@@ -51,6 +52,6 @@ void set_var_mtrr(
basem.hi = 0;
wrmsr(MTRR_PHYS_BASE(reg), basem);
maskm.lo = ~(size - 1) | MTRR_PHYS_MASK_VALID;
- maskm.hi = (1 << (CONFIG_CPU_ADDR_BITS - 32)) - 1;
+ maskm.hi = (1 << (cpu_phys_address_size() - 32)) - 1;
wrmsr(MTRR_PHYS_MASK(reg), maskm);
}