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-rw-r--r--src/cpu/x86/mtrr/mtrr.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cpu/x86/mtrr/mtrr.c b/src/cpu/x86/mtrr/mtrr.c
index 284a1139ab..cb7ecdc963 100644
--- a/src/cpu/x86/mtrr/mtrr.c
+++ b/src/cpu/x86/mtrr/mtrr.c
@@ -484,9 +484,9 @@ static void calc_var_mtrr_range(struct var_mtrr_state *var_state,
* size. The maximum size is calculated by a function of the
* min base bit set and maximum size bit set. */
if (addr_lsb > size_msb)
- mtrr_size = 1 << size_msb;
+ mtrr_size = 1ULL << size_msb;
else
- mtrr_size = 1 << addr_lsb;
+ mtrr_size = 1ULL << addr_lsb;
if (var_state->prepare_msrs)
prep_var_mtrr(var_state, base, mtrr_size, mtrr_type);